Assets/Application.SHConfig

@@ -1,4 +1,4 @@
 Start in Fullscreen: false
-Starting Scene ID: 86098106
+Starting Scene ID: 91478134
 Window Size: {x: 1920, y: 1080}
 Window Title: SHADE Engine

Assets/Audio/Master.bank.shmeta

@@ -0,0 +1,3 @@
+Name: Master
+ID: 187131295
+Type: 11

Assets/Audio/Master.strings.bank.shmeta

@@ -0,0 +1,3 @@
+Name: Master.strings
+ID: 184993030
+Type: 11

Assets/Audio/Music.bank.shmeta

@@ -0,0 +1,3 @@
+Name: Music
+ID: 187337426
+Type: 11

Assets/Audio/SFX.bank.shmeta

@@ -0,0 +1,3 @@
+Name: SFX
+ID: 200039123
+Type: 11

Assets/Audio/UI.bank.shmeta

@@ -0,0 +1,3 @@
+Name: UI
+ID: 185075145
+Type: 11

Assets/Materials/AnimatedHomeowner.shmat

@@ -0,0 +1,8 @@
+- VertexShader: 47911992
+  FragmentShader: 46377769
+  SubPass: G-Buffer Write
+  Properties:
+    data.color: {x: 1, y: 1, z: 1, w: 1}
+    data.textureIndex: 57342922
+    data.alpha: 0
+    data.beta: {x: 1, y: 1, z: 1}

Assets/Materials/AnimatedHomeowner.shmat.shmeta

@@ -0,0 +1,3 @@
+Name: AnimatedHomeowner
+ID: 121518381
+Type: 7

Assets/Materials/default_racoon.shmat

@@ -0,0 +1,8 @@
+- VertexShader: 39210065
+  FragmentShader: 46377769
+  SubPass: G-Buffer Write
+  Properties:
+    data.color: {x: 1, y: 1, z: 1, w: 1}
+    data.textureIndex: 64651793
+    data.alpha: 0
+    data.beta: {x: 1, y: 1, z: 1}

Assets/Materials/default_racoon.shmat.shmeta

@@ -0,0 +1,3 @@
+Name: default_racoon
+ID: 125722190
+Type: 7

Assets/Models/MD_HomeownerV2.shmodel.shmeta

@@ -0,0 +1,7 @@
+Name: MD_HomeownerV2
+ID: 76586906
+Type: 4
+Sub Assets:
+Name: Cube
+ID: 148542784
+Type: 8

Assets/Scenes/anim.shade

@@ -0,0 +1,33 @@
+- EID: 0
+  Name: Default
+  IsActive: true
+  NumberOfChildren: 0
+  Components:
+    Light Component:
+      Position: {x: 0, y: 0, z: 0}
+      Type: Ambient
+      Direction: {x: 0, y: 0, z: 1}
+      Color: {x: 1, y: 1, z: 1, w: 1}
+      Layer: 4294967295
+      Strength: 1
+      IsActive: true
+  Scripts: ~
+- EID: 2
+  Name: Default
+  IsActive: true
+  NumberOfChildren: 0
+  Components:
+    Transform Component:
+      Translate: {x: 0, y: 0, z: 0}
+      Rotate: {x: 0, y: 0, z: 0}
+      Scale: {x: 1, y: 1, z: 1}
+      IsActive: true
+    Renderable Component:
+      Mesh: 148542784
+      Material: 121518381
+      IsActive: true
+    Animator Component:
+      Rig: 76586906
+      Clip: 76586906
+      IsActive: true
+  Scripts: ~

Assets/Scenes/anim.shade.shmeta

@@ -0,0 +1,3 @@
+Name: anim
+ID: 91478134
+Type: 5

Assets/Shaders/Anim_VS.glsl

@@ -20,10 +20,11 @@ layout(location = 0) out struct
   vec2 uv; // location = 1
   vec4 normal; // location = 2
   vec4 worldPos; // location = 3 
+  vec3 worldNormal; // location = 4 
 } Out;
 
 // material stuff
-layout(location = 4) out struct
+layout(location = 5) out struct
 {
   int materialIndex;
   uint eid;
@@ -61,11 +62,13 @@ void main()
   // uvs for texturing in fragment shader
   Out.uv = aUV;
 
-  mat3 transposeInv = mat3 (transpose(inverse(modelViewMat)));
+  mat3 mvTransInv = mat3 (transpose(inverse(modelViewMat)));
+  mat3 modelTransInv = mat3 (transpose(inverse(worldTransform)));
 
   // normals are also in view space
-  Out.normal.rgb = transposeInv * aNormal.rgb;
+  Out.normal.rgb = mvTransInv * aNormal.rgb;
   Out.normal.rgb = normalize (Out.normal.rgb);
+  Out.worldNormal = normalize (modelTransInv * aNormal);
 
   // Compute bone matrix
   mat4 boneMatrix = BoneMatrices.data[firstBoneIndex + aBoneIndices[0]] * aBoneWeights[0];

Assets/Shaders/DeferredComposite_CS.glsl

@@ -2,6 +2,7 @@
 
 struct DirectionalLightStruct
 {
+  vec4 directionWorld;
   vec3 direction;
   uint isActive;
   uint cullingMask;
@@ -22,7 +23,7 @@ layout(local_size_x = 16, local_size_y = 16) in;
 layout(set = 3, binding = 0, rgba32f) uniform image2D positions;
 layout(set = 3, binding = 1, rgba32f) uniform image2D normals;
 layout(set = 3, binding = 2, rgba8) uniform image2D albedo;
-layout(set = 3, binding = 3, r32ui) uniform uimage2D lightLayerData;
+layout(set = 3, binding = 3, rgba32ui) uniform uimage2D lightLayerData;
 layout(set = 3, binding = 4, r8) uniform image2D ssaoBlurredImage;
 layout(set = 3, binding = 5, rgba8) uniform image2D positionWorldSpace;
 layout(set = 3, binding = 6, rgba8) uniform image2D targetImage;
@@ -54,7 +55,7 @@ float LinStep (float val, float low, float high)
   return clamp ((val - low)/(high - low), 0.0f, 1.0f);
 }
 
-float CalcShadowValue (sampler2D shadowMap, vec4 worldSpaceFragPos, mat4 lightPV)
+float CalcShadowValue (sampler2D shadowMap, vec4 worldSpaceFragPos, mat4 lightPV, vec3 worldNormal, vec3 lightDir)
 {
   // clip space for fragment from light view space
   vec4 fragPosLightPOV = lightPV * worldSpaceFragPos;
@@ -69,6 +70,13 @@ float CalcShadowValue (sampler2D shadowMap, vec4 worldSpaceFragPos, mat4 lightPV
   if (converted.x < 0.0f || converted.x > 1.0f || converted.y < 0.0f || converted.y > 1.0f)
     return 1.0f;
 
+  float returnVal = 0.0f;
+
+  float worldNormalDotLight = dot (normalize (worldNormal), normalize(lightDir));
+  
+  if (worldNormalDotLight < 0.0f)
+    return 0.7f;
+
   if (fragPosLightPOV.z > moments.x && fragPosLightPOV.w > 0.0f)
   {
     float p = step (fragPosLightPOV.z, moments.x);
@@ -76,15 +84,19 @@ float CalcShadowValue (sampler2D shadowMap, vec4 worldSpaceFragPos, mat4 lightPV
 
     float d = fragPosLightPOV.z - moments.x;
     float pMax = LinStep (variance / (variance + (d * d)), 0.9f, 1.0f);
-    return min (max (p, pMax), 1.0f);
+   
+    returnVal = min (max (p, pMax) + 0.7f, 1.0f);
+
+    return returnVal;
+    
   }
   else if (fragPosLightPOV.z > 1.0f)
   {
     return 0.0f;
   }
-  else
-    return 0.3f;
-  // return step (fragPosLightPOV.z, );
+
+  return 1.0f;
+
 }
 
 void main()
@@ -104,8 +116,12 @@ void main()
   // normal of fragment
   vec3 normalView = imageLoad(normals, globalThread).rgb;
 
+  uvec4 lightLayerAndNormal = imageLoad (lightLayerData, globalThread);
+
   // light layer index
-  uint lightLayer = imageLoad (lightLayerData, globalThread).r;
+  uint lightLayer =  lightLayerAndNormal.x;
+  
+  vec3 worldNormal = vec3 (unpackHalf2x16 (lightLayerAndNormal.y).xy, unpackHalf2x16 (lightLayerAndNormal.z).x);
 
   vec3 fragColor = vec3 (0.0f);
 
@@ -138,7 +154,7 @@ void main()
       if ((DirLightData.dLightData[i].shadowData & uint(1)) == 1)
       {
         // calculate shadow map here
-        fragColor *= CalcShadowValue (shadowMaps[0], positionWorld, DirLightData.dLightData[i].pvMatrix).xxx;
+        fragColor.rgb *= CalcShadowValue (shadowMaps[0], positionWorld, DirLightData.dLightData[i].pvMatrix, worldNormal, DirLightData.dLightData[i].directionWorld.xyz).xxx;
       }
     }
   }

Assets/Shaders/ShadowMapBlur_CS.glsl

@@ -0,0 +1,58 @@
+#version 450
+
+#define BLUR_WIDTH 7
+#define BLUR_HALF_WIDTH BLUR_WIDTH / 2
+#define SHM_WIDTH BLUR_WIDTH + 16 - 1
+
+layout(local_size_x = 16, local_size_y = 16) in;
+layout(set = 3, binding = 0, r8) uniform image2D shadowMap;
+layout(set = 3, binding = 1, r8) uniform image2D shadowMapBlurred;
+
+
+vec4 GetShadowMapValue(ivec2 uv, ivec2 imageSize)
+{
+  if (uv.x >= 0 && uv.y >= 0 && uv.x < imageSize.x && uv.y < imageSize.y)
+  {
+    return imageLoad (shadowMap, uv);
+  }
+
+  return vec4 (0.0f);
+}
+
+shared vec4 sharedPixels[16 + BLUR_WIDTH - 1][16 + BLUR_WIDTH - 1];
+
+void main()
+{ 
+  ivec2 globalThread = ivec2 (gl_GlobalInvocationID.xy);
+  ivec2 localThread = ivec2 (gl_LocalInvocationID.xy);
+  ivec2 inputImageSize = imageSize(shadowMap);
+
+  // Load color into shared memory
+  ivec2 start = ivec2 (gl_WorkGroupID) * ivec2 (gl_WorkGroupSize) - (BLUR_HALF_WIDTH);
+  for (int i = localThread.x; i < SHM_WIDTH; i += int (gl_WorkGroupSize.x))
+  {
+    for (int j = localThread.y; j < SHM_WIDTH; j += int (gl_WorkGroupSize.y))
+    {
+      vec4 value = GetShadowMapValue (start + ivec2 (i, j), inputImageSize);
+      sharedPixels[i][j] = value;
+    }
+  }
+  
+  // wait for all shared memory to load
+  barrier();
+
+  ivec2 shmStart = ivec2 (localThread + (BLUR_HALF_WIDTH));
+
+  vec4 sum = vec4 (0.0f);
+  for (int i = -BLUR_HALF_WIDTH; i <= BLUR_HALF_WIDTH; ++i)
+  {
+    for (int j = -BLUR_HALF_WIDTH; j <= BLUR_HALF_WIDTH; ++j)
+    {
+      vec4 sharedVal = sharedPixels[shmStart.x + i][shmStart.y + j];
+      sum += sharedVal;
+    }
+  }
+
+  sum /= (BLUR_WIDTH * BLUR_WIDTH);
+  imageStore(shadowMapBlurred, globalThread, sum);
+}

Assets/Shaders/ShadowMapBlur_CS.shshaderb.shmeta

@@ -0,0 +1,3 @@
+Name: ShadowMapBlur_CS
+ID: 38004013
+Type: 2

Assets/Shaders/ShadowMap_FS.glsl

@@ -7,6 +7,12 @@ layout(location = 0) out vec4 shadowMap;
 
 void main()
 {
+    float depth = gl_FragCoord.z;
+
+    float dx = dFdx(depth);
+    float dy = dFdy(depth);
+
+    float moment2 = depth * depth + 0.25f * (dx * dx + dy * dy);
     // shadowMap = vec4 (0.0f, 0.0f, gl_FragCoord.z, 1.0f);
-    shadowMap = vec4 (gl_FragCoord.z, gl_FragCoord.z * gl_FragCoord.z, 0.0f, 1.0f);
+    shadowMap = vec4 (gl_FragCoord.z, moment2, 0.0f, 1.0f);
 }

Assets/Shaders/ShinyHighlight_FS.glsl

@@ -32,10 +32,11 @@ layout(location = 0) in struct
   vec2 uv; // location = 1
   vec4 normal; // location = 2
   vec4 worldPos; // location = 3 
+  vec3 worldNormal; // location = 4 
 } In;
 
 // material stuff
-layout(location = 4) flat in struct
+layout(location = 5) flat in struct
 {
   int materialIndex;
   uint eid;
@@ -57,7 +58,7 @@ layout (std430, set = 2, binding = 0) buffer MaterialProperties     // For mater
 
 layout(location = 0) out vec4 position;
 layout(location = 1) out uint outEntityID;
-layout(location = 2) out uint lightLayerIndices;
+layout(location = 2) out uvec4 lightLayerIndices;
 layout(location = 3) out vec4 normals;
 layout(location = 4) out vec4 albedo;
 layout(location = 5) out vec4 worldSpacePosition;
@@ -72,11 +73,11 @@ void main()
 {
   position = In.vertPos;
   normals = In.normal;
-  albedo = texture(textures[nonuniformEXT(MatProp.data[In2.materialIndex].textureIndex)], In.uv);
+  albedo = vec4 (texture(textures[nonuniformEXT(MatProp.data[In2.materialIndex].textureIndex)], In.uv).xyz, 1.0f);
   worldSpacePosition = In.worldPos;
 
   outEntityID = In2.eid;
-  lightLayerIndices = In2.lightLayerIndex;
+  lightLayerIndices = uvec4 (In2.lightLayerIndex, 0, 0, 1);
 
   // float vpHeight = float (In2.screenSpacePos.y) - MatProp.data[In2.materialIndex].highlightPosition;
   // bring the frame of reference to the object's screen space pos 
@@ -101,4 +102,6 @@ void main()
   }
   else
     objectVFX = vec4(0.0f, 0.0f, 0.0f, 1.0f);
+
+    objectVFX.a = 1.0f;
 }

Assets/Shaders/ShinyHighlight_VS.glsl

@@ -17,6 +17,7 @@ layout(location = 0) out struct
   vec2 uv; // location = 1
   vec4 normal; // location = 2
   vec4 worldPos; // location = 3 
+  vec3 worldNormal; // location = 4 
 
 } Out;
 
@@ -36,7 +37,7 @@ struct GenericData
 };
 
 // material stuff
-layout(location = 4) out struct
+layout(location = 5) out struct
 {
   int materialIndex;
   uint eid;
@@ -76,11 +77,13 @@ void main()
   // uvs for texturing in fragment shader
   Out.uv = aUV;
 
-  mat3 transposeInv = mat3 (transpose(inverse(modelViewMat)));
+  mat3 mvTransInv = mat3 (transpose(inverse(modelViewMat)));
+  mat3 modelTransInv = mat3 (transpose(inverse(worldTransform)));
 
   // normals are also in view space
-  Out.normal.rgb = transposeInv * aNormal.rgb;
+  Out.normal.rgb = mvTransInv * aNormal.rgb;
   Out.normal.rgb = normalize (Out.normal.rgb);
+  Out.worldNormal = normalize (modelTransInv * aNormal);
 
   // Get center of object in world position
   vec4 worldPos = vec4(worldTransform[3][0], worldTransform[3][1], worldTransform[3][2], 1.0f);

Assets/Shaders/TestCube_FS.glsl

@@ -17,10 +17,11 @@ layout(location = 0) in struct
   vec2 uv; // location = 1
   vec4 normal; // location = 2
   vec4 worldPos; // location = 3 
+  vec3 worldNormal; // location = 4 
 } In;
 
 // material stuff
-layout(location = 4) flat in struct
+layout(location = 5) flat in struct
 {
   int materialIndex;
   uint eid;
@@ -35,7 +36,7 @@ layout (std430, set = 2, binding = 0) buffer MaterialProperties     // For mater
 
 layout(location = 0) out vec4 position;
 layout(location = 1) out uint outEntityID;
-layout(location = 2) out uint lightLayerIndices;
+layout(location = 2) out uvec4 lightLayerIndices;
 layout(location = 3) out vec4 normals;
 layout(location = 4) out vec4 albedo;
 layout(location = 5) out vec4 worldSpacePosition;
@@ -48,5 +49,5 @@ void main()
   worldSpacePosition = In.worldPos;
 
   outEntityID = In2.eid;
-  lightLayerIndices = In2.lightLayerIndex;
+  lightLayerIndices = uvec4 (In2.lightLayerIndex, packHalf2x16 (In.worldNormal.xy), packHalf2x16 (vec2 (In.worldNormal.z, 1.0f)), 1);
 }

Assets/Shaders/TestCube_VS.glsl

@@ -20,11 +20,12 @@ layout(location = 0) out struct
   vec2 uv; // location = 1
   vec4 normal; // location = 2
   vec4 worldPos; // location = 3 
+  vec3 worldNormal; // location = 4 
 
 } Out;
 
 // material stuff
-layout(location = 4) out struct
+layout(location = 5) out struct
 {
   int materialIndex;
   uint eid;
@@ -57,11 +58,13 @@ void main()
   // uvs for texturing in fragment shader
   Out.uv = aUV;
 
-  mat3 transposeInv = mat3 (transpose(inverse(modelViewMat)));
+  mat3 mvTransInv = mat3 (transpose(inverse(modelViewMat)));
+  mat3 modelTransInv = mat3 (transpose(inverse(worldTransform)));
 
   // normals are also in view space
-  Out.normal.rgb = transposeInv * aNormal.rgb;
+  Out.normal.rgb = mvTransInv * aNormal.rgb;
   Out.normal.rgb = normalize (Out.normal.rgb);
+  Out.worldNormal = normalize (modelTransInv * aNormal);
 
   // clip space for rendering
   gl_Position = cameraData.vpMat * worldTransform * vec4 (aVertexPos, 1.0f);

Dependencies.bat

@@ -62,7 +62,6 @@ if %_e%==3 (goto :done) else (goto :ModelCompiler)
 echo -----------------------ModelCompiler----------------------------
 rmdir "Dependencies/ModelCompiler" /S /Q
 git clone https://github.com/SHADE-DP/ModelCompiler.git "Dependencies/ModelCompiler"
-git clone https://github.com/SHADE-DP/assimp.git "Dependencies/ModelCompiler/Dependencies/assimp"
 if %_e%==4 (goto :done) else (goto :spdlog)
 
 @REM :ktx

SHADE_Engine/src/Animation/SHAnimatorComponent.cpp

@@ -55,14 +55,11 @@ namespace SHADE
     // Set accordingly
     currClip = clip;
     currPlaybackTime = 0.0f;
-    channelMaps.clear();
     auto RAW_ANIM = clip->GetRawAnimation();
     
     // Set up if valid
     if (currClip && RAW_ANIM)
     {
-      // Create channel maps
-      channelMaps.emplace(RAW_ANIM, createChannelMap(RAW_ANIM));
       // Calculate secs for the clip
       secsPerTick = 1.0f / RAW_ANIM->GetTicksPerSecond();
 
@@ -202,12 +199,6 @@ namespace SHADE
         // Store
         rawAnims.emplace(RAW_ANIM);
       }
-
-      // Load channel maps
-      for (auto anim : rawAnims)
-      {
-        channelMaps.emplace(anim, createChannelMap(anim));
-      }
     }
   }
   
@@ -219,19 +210,6 @@ namespace SHADE
     return animController->SetTrigger(animInstanceData, paramName);
   }
   
-  /*-----------------------------------------------------------------------------------*/
-  /* Helper Functions - Loading                                                        */
-  /*-----------------------------------------------------------------------------------*/
-  SHAnimatorComponent::ChannelMap SHAnimatorComponent::createChannelMap(Handle<SHRawAnimation> rawAnimData)
-  {
-    ChannelMap channelMap;
-    for (const auto& channel : rawAnimData->GetChannels())
-    {
-      channelMap.emplace(channel.Name, &channel);
-    }
-    return channelMap;
-  }
-  
   /*-----------------------------------------------------------------------------------*/
   /* Helper Functions - Update                                                         */
   /*-----------------------------------------------------------------------------------*/
@@ -283,30 +261,24 @@ namespace SHADE
   }
   void SHAnimatorComponent::updatePoseWithClip(Handle<SHAnimationClip> clip, float poseTime)
   {
-    // Get closest frame index
-    const int CLOSEST_FRAME_IDX = clip->GetStartFrameIndex() + static_cast<int>(std::floorf(poseTime / secsPerTick));
-    updatePoseWithClip(CLOSEST_FRAME_IDX, poseTime, clip->GetRawAnimation(), rig->GetRootNode(), SHMatrix::Identity);
+    updatePoseWithClip(poseTime, clip->GetRawAnimation(), rig->GetRootNode(), SHMatrix::Identity);
   }
 
-  void SHAnimatorComponent::updatePoseWithClip(int closestFrameIndex, float poseTime, Handle<SHRawAnimation> rawAnimData, Handle<SHRigNode> node, const SHMatrix& parentMatrix)
+  void SHAnimatorComponent::updatePoseWithClip(float poseTime, Handle<SHRawAnimation> rawAnimData, Handle<SHRigNode> node, const SHMatrix& parentMatrix)
   {
     // Check if there is a channel for this node
-    const std::string& BONE_NAME = rig->GetName(node);
     SHMatrix transformMatrix = node->TransformMatrix;
-
-    if (channelMaps.contains(rawAnimData))
+    const int BONE_IDX = rig->GetNodeIndex(node);
+    const auto& CHANNELS = rawAnimData->GetChannels();
+    if (BONE_IDX < CHANNELS.size())
     {
-      auto channelMap = channelMaps[rawAnimData];
-      if (channelMap.contains(BONE_NAME))
-      {
-        const auto CHANNEL = channelMap[BONE_NAME];
-        transformMatrix = SHMatrix::Transform
-        (
-          getInterpolatedValue(CHANNEL->PositionKeyFrames, closestFrameIndex, poseTime),
-          getInterpolatedValue(CHANNEL->RotationKeyFrames, closestFrameIndex, poseTime),
-          getInterpolatedValue(CHANNEL->ScaleKeyFrames, closestFrameIndex, poseTime)
-        );
-      }
+      const auto& CHANNEL = CHANNELS[BONE_IDX];
+      transformMatrix = SHMatrix::Transform
+      (
+        getInterpolatedValue(CHANNEL.PositionKeyFrames, poseTime),
+        getInterpolatedValue(CHANNEL.RotationKeyFrames, poseTime),
+        getInterpolatedValue(CHANNEL.ScaleKeyFrames, poseTime)
+      );
     }
 
     // Apply parent's transformation
@@ -323,7 +295,7 @@ namespace SHADE
     // Apply pose to children
     for (auto& child : node->Children)
     {
-      updatePoseWithClip(closestFrameIndex, poseTime, rawAnimData, child, transformMatrix);
+      updatePoseWithClip(poseTime, rawAnimData, node, transformMatrix);
     }
   }
 }

SHADE_Engine/src/Animation/SHAnimatorComponent.h

@@ -190,22 +190,17 @@ namespace SHADE
     float secsPerTick = 0.0f;
     // Buffer
     std::vector<SHMatrix> boneMatrices;
-    // Caches
-    std::unordered_map<Handle<SHRawAnimation>, ChannelMap> channelMaps;
 
     /*---------------------------------------------------------------------------------*/
     /* Helper Functions                                                                */
     /*---------------------------------------------------------------------------------*/
-    // Loading
-    ChannelMap createChannelMap(Handle<SHRawAnimation> rawAnimData);
-    // Update
     void updateAnimController(float dt);
     void updateManualClipState(float dt);
     void updateCurrentAnimatorState(Handle<SHAnimationClip> clip, float playbackTime);
     void updatePoseWithClip(Handle<SHAnimationClip> clip, float poseTime);
-    void updatePoseWithClip(int closestFrameIndex, float poseTime, Handle<SHRawAnimation> rawAnimData, Handle<SHRigNode> node, const SHMatrix& parentMatrix);
+    void updatePoseWithClip(float poseTime, Handle<SHRawAnimation> rawAnimData, Handle<SHRigNode> node, const SHMatrix& parentMatrix);
     template<typename T>
-    T getInterpolatedValue(const std::vector<SHAnimationKeyFrame<T>>& keyframes, int closestFrameIndex, float poseTime);
+    T getInterpolatedValue(const std::vector<SHAnimationKeyFrame<T>>& keyframes, float poseTime);
 
     /*---------------------------------------------------------------------------------*/
     /* RTTR                                                                            */

SHADE_Engine/src/Animation/SHAnimatorComponent.hpp

@@ -44,7 +44,7 @@ namespace SHADE
   /* Helper Functions                                                                  */
   /*-----------------------------------------------------------------------------------*/
   template<typename T>
-  T SHAnimatorComponent::getInterpolatedValue(const std::vector<SHAnimationKeyFrame<T>>& keyframes, int closestFrameIndex, float poseTime)
+  T SHAnimatorComponent::getInterpolatedValue(const std::vector<SHAnimationKeyFrame<T>>& keyframes, float poseTime)
   {
     // Only allow SHVec3 and SHQuaternion
     static_assert(std::is_same_v<T, SHVec3> || std::is_same_v<T, SHQuaternion>, "Only interpolation for SHVec3 and SHQuaternion is allowed.");
@@ -56,11 +56,11 @@ namespace SHADE
     {
       const auto& KEYFRAME = *iter;
 
-      if (KEYFRAME.FrameIndex <= closestFrameIndex)
+      if (KEYFRAME.TimeStamp <= poseTime)
       {
         firstKeyFrame = iter;
       }
-      else // KEYFRAME.FrameIndex > closestFrameIndex
+      else // KEYFRAME.FrameIndex > poseTime
       {
         nextKeyFrame = iter;
         break;
@@ -84,8 +84,8 @@ namespace SHADE
     }
 
     // Get interpolated vector
-    const float PREV_FRAME_TIME = firstKeyFrame->FrameIndex * secsPerTick;
-    const float NEXT_FRAME_TIME = nextKeyFrame->FrameIndex * secsPerTick;
+    const float PREV_FRAME_TIME = firstKeyFrame->TimeStamp;
+    const float NEXT_FRAME_TIME = nextKeyFrame->TimeStamp;
     const float NORMALISED_TIME = (poseTime - PREV_FRAME_TIME) / (NEXT_FRAME_TIME - PREV_FRAME_TIME);
 
     if constexpr (std::is_same_v<T, SHQuaternion>)

SHADE_Engine/src/Animation/SHRawAnimation.cpp

@@ -20,16 +20,14 @@ namespace SHADE
   /* Constructors                                                                      */
   /*-----------------------------------------------------------------------------------*/
   SHRawAnimation::SHRawAnimation(const SHAnimAsset& asset)
-  : ticksPerSecond { static_cast<int>(asset.ticksPerSecond) }
-  , totalTime      { static_cast<float>(asset.duration) / static_cast<int>(asset.ticksPerSecond) }
-  , totalFrames { static_cast<int>(asset.duration) }
   {
     // Populate keyframes
+    int maxFrames = 0;
+    totalTime = 0.0f;
     for (const auto& channel : asset.nodeChannels)
     {
       // Create a channel
       Channel newChannel;
-      newChannel.Name = std::string(channel.name);
       newChannel.PositionKeyFrames.reserve(channel.positionKeys.size());
       newChannel.RotationKeyFrames.reserve(channel.rotationKeys.size());
       newChannel.ScaleKeyFrames.reserve(channel.scaleKeys.size());
@@ -37,21 +35,30 @@ namespace SHADE
       // Populate Keyframes
       for (const auto& posKey : channel.positionKeys)
       {
-        newChannel.PositionKeyFrames.emplace_back(SHAnimationKeyFrame<SHVec3>{ static_cast<int>(posKey.time), posKey.value});
+        newChannel.PositionKeyFrames.emplace_back(SHAnimationKeyFrame<SHVec3>{ posKey.time, posKey.value});
       }
       for (const auto& rotKey : channel.rotationKeys)
       {
-        newChannel.RotationKeyFrames.emplace_back(SHAnimationKeyFrame<SHQuaternion>{ static_cast<int>(rotKey.time), rotKey.value});
+        newChannel.RotationKeyFrames.emplace_back(SHAnimationKeyFrame<SHQuaternion>{ rotKey.time, rotKey.value});
       }
       for (const auto& scaleKey : channel.scaleKeys)
       {
-        newChannel.ScaleKeyFrames.emplace_back(SHAnimationKeyFrame<SHVec3>{ static_cast<int>(scaleKey.time), scaleKey.value});
+        newChannel.ScaleKeyFrames.emplace_back(SHAnimationKeyFrame<SHVec3>{ scaleKey.time, scaleKey.value});
       }
 
       newChannel.MaxFrames = std::max({ newChannel.PositionKeyFrames.size(), newChannel.RotationKeyFrames.size(), newChannel.ScaleKeyFrames.size() });
 
+      // Compute max frames
+      maxFrames = std::max(maxFrames, newChannel.MaxFrames);
+
+      // Compute total time
+      totalTime = std::max({ totalTime, newChannel.PositionKeyFrames.back().TimeStamp, newChannel.RotationKeyFrames.back().TimeStamp, newChannel.ScaleKeyFrames.back().TimeStamp });
+
       // Insert the channel
       channels.emplace_back(std::move(newChannel));
+
+      // Compute fps
+      ticksPerSecond = static_cast<int>(maxFrames / totalTime);
     }
   }
 

SHADE_Engine/src/Animation/SHRawAnimation.h

@@ -27,8 +27,8 @@ namespace SHADE
   template<typename T>
   struct SHAnimationKeyFrame
   {
-    int FrameIndex;
-    T   Data;
+    float TimeStamp;
+    T     Data;
   };
 
   /// <summary>
@@ -45,7 +45,6 @@ namespace SHADE
     /// </summary>
     struct Channel
     {
-      std::string Name;
       std::vector<SHAnimationKeyFrame<SHVec3>>       PositionKeyFrames;
       std::vector<SHAnimationKeyFrame<SHQuaternion>> RotationKeyFrames;
       std::vector<SHAnimationKeyFrame<SHVec3>>       ScaleKeyFrames;

SHADE_Engine/src/Animation/SHRig.cpp

@@ -120,8 +120,10 @@ namespace SHADE
 
     // Fill the node with data
     const auto& NODE_DATA = asset.nodeDataCollection.at(sourceNode->idRef);
-    newNode->OffsetMatrix = SHMatrix::Transpose(NODE_DATA.offset);
-    newNode->TransformMatrix = SHMatrix::Transpose(NODE_DATA.transform);
+    //newNode->OffsetMatrix = SHMatrix::Transpose(NODE_DATA.inverseBindMatrix);
+    //newNode->TransformMatrix = SHMatrix::Transpose(NODE_DATA.transform);
+    newNode->OffsetMatrix = NODE_DATA.inverseBindMatrix;
+    newNode->TransformMatrix = NODE_DATA.transform;
 
     // Populate maps
     if (!NODE_DATA.name.empty())

SHADE_Engine/src/Assets/Asset Types/Models/SHAnimationAsset.h

@@ -20,69 +20,61 @@
 
 namespace SHADE
 {
-	enum class SHAnimationBehaviour : uint8_t
-	{
-		DEFAULT = 0x0,
-		CONSTANT = 0x1,
-		LINEAR = 0x2,
-		REPEAT = 0x3
-	};
+  enum class AnimationInterpolation : uint8_t
+  {
+    DEFAULT = 0x1,
+    LINEAR = 0x1,
+    STEP = 0x2,
+    CUBICSPLINE = 0x3
+  };
 
-	// Smallest data containers
-	struct PositionKey
-	{
-		float time;
-		SHVec3 value;
-	};
+  // Base 
+  struct KeyBase
+  {
+    float time;
+  };
 
-	struct RotationKey
-	{
-		float time;
-		SHVec4 value;
-	};
+  // Smallest data containers
+  struct PositionKey :KeyBase
+  {
+    SHVec3 value;
+  };
 
-	struct ScaleKey
-	{
-		float time;
-		SHVec3 value;
-	};
+  struct RotationKey : KeyBase
+  {
+    SHVec4 value;
+  };
+
+  struct ScaleKey :KeyBase
+  {
+    SHVec3 value;
+  };
 
 	// Headers for read/write
-	struct SHAnimNodeInfo
-	{
-		uint32_t charCount;
-		uint32_t posKeyCount;
-		uint32_t rotKeyCount;
-		uint32_t scaKeyCount;
-	};
-
 	struct SHAnimDataHeader
 	{
 		uint32_t charCount;
-		uint32_t animNodeCount;
-		std::vector<SHAnimNodeInfo> nodeHeaders;
+    uint32_t animNodeCount;
+    uint32_t frameCount;
 	};
 
 	// Main data containers
-	struct SHAnimData
+	struct SHAnimNode
 	{
-		std::string name;
-		SHAnimationBehaviour pre;
-		SHAnimationBehaviour post;
-
-		std::vector<PositionKey> positionKeys;
-		std::vector<RotationKey> rotationKeys;
-		std::vector<ScaleKey> scaleKeys;
+    AnimationInterpolation interpolation;
 
+		std::vector<PositionKey>  positionKeys{};
+		std::vector<RotationKey>  rotationKeys{};
+		std::vector<ScaleKey>     scaleKeys{};
 	};
 
-	struct SH_API SHAnimAsset : SHAssetData
+	struct SH_API SHAnimAsset final : SHAssetData
 	{
 		std::string name;
 
-		double duration;
-		double ticksPerSecond;
+		double duration{};
+		double ticksPerSecond{};
 
-		std::vector<SHAnimData> nodeChannels;
+		std::vector<SHAnimNode> nodeChannels{};
 	};
 }

SHADE_Engine/src/Assets/Asset Types/Models/SHMeshAsset.h

@@ -19,45 +19,28 @@
 
 namespace SHADE
 {
-  constexpr int BONE_INDEX_ALIGHTMENT = 4;
 
 	struct SHMeshDataHeader
 	{
 		uint32_t vertexCount;
 		uint32_t indexCount;
 		uint32_t charCount;
-		uint32_t boneCount;
-	};
-
-	struct MeshBoneInfo
-	{
-		uint32_t charCount;
-		uint32_t weightCount; // Size should be same as boneCount
-	};
-
-	struct BoneWeight
-	{
-		uint32_t index;
-		float weight;
-	};
-
-	struct MeshBone
-	{
-		std::string name;
-		SHMatrix offset;
-		std::vector<BoneWeight> weights;
+    bool hasWeights;
 	};
 
 	struct SH_API SHMeshAsset : SHAssetData
 	{
 		std::string name;
-		std::vector<SHVec3>   VertexPositions;
-		std::vector<SHVec3>   VertexTangents;
-		std::vector<SHVec3>   VertexNormals;
-		std::vector<SHVec2>   VertexTexCoords;
-		std::vector<uint32_t> Indices;
-		std::vector<SHVec4U>  VertexBoneIndices;
-		std::vector<SHVec4>   VertexBoneWeights;
+		std::vector<SHVec3>   VertexPositions{};
+		std::vector<SHVec3>   VertexTangents{};
+		std::vector<SHVec3>   VertexNormals{};
+		std::vector<SHVec2>   VertexTexCoords{};
+		std::vector<uint32_t> Indices{};
+
+    //Variables
+    std::vector<SHVec4>   VertexBoneWeights{};
+    std::vector<SHVec4U>   VertexBoneIndices{};
+
     uint32_t BoneCount;
 	};
 }

SHADE_Engine/src/Assets/Asset Types/Models/SHRigAsset.cpp

@@ -1,13 +1,11 @@
 #include "SHpch.h"
 #include "SHRigAsset.h"
 
-#include <queue>
-
 namespace SHADE
 {
   SHRigAsset::~SHRigAsset()
   {
     if (root != nullptr)
-    delete[] root;
+      delete[] root;
   }
 }

SHADE_Engine/src/Assets/Asset Types/Models/SHRigAsset.h

@@ -17,31 +17,43 @@
 
 namespace SHADE
 {
+  using NodeDataFlag = unsigned char;
+
+  constexpr NodeDataFlag NODE_DATA_ROTATION = 0b0001;
+  constexpr NodeDataFlag NODE_DATA_SCALE = 0b0010;
+  constexpr NodeDataFlag NODE_DATA_TRANSLATION = 0b0100;
+  constexpr NodeDataFlag NODE_DATA_MATRIX = 0b1000;
+
+  constexpr size_t NODE_COMPONENT_COUNT_ROTATION{ 4 };
+  constexpr size_t NODE_COMPONENT_COUNT_SCALE{ 3 };
+  constexpr size_t NODE_COMPONENT_COUNT_TRANSLATION{ 3 };
+  constexpr size_t NODE_COMPONENT_COUNT_MATRIX{ 16 };
+
 	struct SHRigDataHeader
 	{
-		uint32_t nodeCount;
-		std::vector<uint32_t> charCounts;
+		uint32_t nodeCount{};
+    uint32_t startNode{};
+    std::vector<uint32_t> charCounts{};
 	};
 
 	struct SHRigNodeData
 	{
 		std::string name;
-		SHMatrix transform;
-    SHMatrix offset;
+    SHMatrix transform;
+    SHMatrix inverseBindMatrix;
 	};
 
-	struct SHRigNodeAsset
-	{
-		uint32_t idRef;
-		std::vector<SHRigNodeAsset*> children;
-	};
+  struct SHRigNodeAsset
+  {
+    uint32_t idRef;
+    std::vector<SHRigNodeAsset*> children;
+  };
 
 	struct SH_API SHRigAsset : SHAssetData
 	{
     ~SHRigAsset();
-
     SHRigDataHeader header;
-		std::vector<SHRigNodeData> nodeDataCollection;
-		SHRigNodeAsset* root;
+		std::vector<SHRigNodeData> nodeDataCollection{};
+    SHRigNodeAsset* root;
 	};
 }

SHADE_Engine/src/Assets/Asset Types/SHAudioBankAsset.h

@@ -0,0 +1,23 @@
+/******************************************************************************
+ * \file    SHAudioBankAsset.h
+ * \author  Loh Xiao Qi
+ * \date    31 January 2023
+ * \brief   
+ * 
+ * \copyright	Copyright (c) 2023 Digipen Institute of Technology. Reproduction
+ *		        or disclosure of this file or its contents without the prior
+ *			      written consent of Digipen Institute of Technology is prohibited.
+ ******************************************************************************/
+#pragma once
+
+#include "SHAssetData.h"
+#include <string>
+
+namespace SHADE
+{
+  struct SHAudioBankAsset : SHAssetData
+  {
+    std::string name;
+    std::string path;
+  };
+}

SHADE_Engine/src/Assets/Libraries/Loaders/SHModelLoader.cpp

@@ -17,6 +17,52 @@
 
 namespace SHADE
 {
+  inline SHVec3 GetVec3FromVector(std::vector<double> const& vec)
+  {
+    assert(vec.size() == NODE_COMPONENT_COUNT_TRANSLATION);
+
+    return SHVec3{
+      static_cast<float>(vec[0]),
+      static_cast<float>(vec[1]),
+      static_cast<float>(vec[2])
+    };
+  }
+
+  inline SHVec4 GetVec4FromVector(std::vector<double> const& vec)
+  {
+    assert(vec.size() == NODE_COMPONENT_COUNT_ROTATION);
+    return SHVec4{
+      static_cast<float>(vec[0]),
+      static_cast<float>(vec[1]),
+      static_cast<float>(vec[2]),
+      static_cast<float>(vec[3])
+    };
+  }
+
+  inline SHMatrix GetMatrixFromVector(std::vector<double> const& vec)
+  {
+    assert(vec.size() == NODE_COMPONENT_COUNT_MATRIX);
+
+    return SHMatrix{
+      static_cast<float>(vec[0]),
+      static_cast<float>(vec[1]),
+      static_cast<float>(vec[2]),
+      static_cast<float>(vec[3]),
+      static_cast<float>(vec[4]),
+      static_cast<float>(vec[5]),
+      static_cast<float>(vec[6]),
+      static_cast<float>(vec[7]),
+      static_cast<float>(vec[8]),
+      static_cast<float>(vec[9]),
+      static_cast<float>(vec[10]),
+      static_cast<float>(vec[11]),
+      static_cast<float>(vec[12]),
+      static_cast<float>(vec[13]),
+      static_cast<float>(vec[14]),
+      static_cast<float>(vec[15])
+    };
+  }
+
   void SHModelLoader::ReadHeaders(FileReference file, SHModelAsset& asset)
   {
     file.read(
@@ -36,29 +82,12 @@ namespace SHADE
     if (asset.header.animCount > 0)
     {
       asset.animHeaders.resize(asset.header.animCount);
-      for (auto i {0}; i < asset.header.animCount; ++i)
+      for (auto& animHeader : asset.animHeaders)
       {
-        auto& animHeader = asset.animHeaders[i];
         file.read(
-          reinterpret_cast<char*>(&animHeader.charCount),
-          sizeof(uint32_t)
+          reinterpret_cast<char*>(&animHeader),
+          sizeof(animHeader)
         );
-        
-        file.read(
-          reinterpret_cast<char*>(&animHeader.animNodeCount),
-          sizeof(uint32_t)
-        );
-
-        animHeader.nodeHeaders.resize(animHeader.animNodeCount);
-        for (auto j {0}; j < animHeader.animNodeCount; ++j)
-        {
-          auto& nodeHeader = animHeader.nodeHeaders[j];
-                    
-          file.read(
-            reinterpret_cast<char*>(&nodeHeader),
-            sizeof(SHAnimNodeInfo)
-          );
-        }
       }
     }
   }
@@ -74,53 +103,63 @@ namespace SHADE
       ReadRigHeader(file, asset.rig.header);
       ReadRigData(file, asset.rig.header, asset.rig.nodeDataCollection);
       ReadRigTree(file, asset.rig.header, asset.rig.root);
+
+      for (auto& mesh : asset.meshes)
+      {
+        mesh->BoneCount = asset.rig.nodeDataCollection.size();
+      }
+
+      //BuildTransformMatrices(asset.rig);
     }
   }
 
-  void SHModelLoader::ReadAnimNode(FileReference file, SHAnimNodeInfo const& info, SHAnimData& data)
+  void SHModelLoader::ReadAnimNode(FileReference file, uint32_t frameCount, SHAnimNode& data)
   {
-    data.name.resize(info.charCount);
     file.read(
-      data.name.data(),
-      info.charCount
+      reinterpret_cast<char*>(&data.interpolation),
+      1
     );
 
-    file.read(
-      reinterpret_cast<char*>(&data.pre),
-      sizeof(SHAnimationBehaviour)
-    );
-
-    file.read(
-      reinterpret_cast<char*>(&data.post),
-      sizeof(SHAnimationBehaviour)
-    );
-
-    uint32_t keySize {0};
-    file.read(
-      reinterpret_cast<char*>(&keySize),
-      sizeof(uint32_t)
-    );
-
-    data.positionKeys.resize(keySize);
-    data.rotationKeys.resize(keySize);
-    data.scaleKeys.resize(keySize);
+    data.positionKeys.resize(frameCount);
+    data.rotationKeys.resize(frameCount);
+    data.scaleKeys.resize(frameCount);
 
     file.read(
       reinterpret_cast<char*>(data.positionKeys.data()),
-      sizeof(PositionKey) * keySize
+      sizeof(PositionKey) * frameCount
     );
 
     file.read(
       reinterpret_cast<char*>(data.rotationKeys.data()),
-      sizeof(RotationKey) * keySize
+      sizeof(RotationKey) * frameCount
     );
 
     file.read(
       reinterpret_cast<char*>(data.scaleKeys.data()),
-      sizeof(ScaleKey) * keySize
+      sizeof(ScaleKey) * frameCount
     );
   }
 
+  void SHModelLoader::BuildTransformMatrices(SHRigAsset& rig)
+  {
+    std::queue<SHRigNodeAsset const*> nodeQueue;
+    nodeQueue.push(rig.root);
+
+    while(!nodeQueue.empty())
+    {
+      auto& current = nodeQueue.front();
+      nodeQueue.pop();
+      auto& parentData {rig.nodeDataCollection[current->idRef]};
+
+      for (auto const& child: current->children)
+      {
+        nodeQueue.push(child);
+        auto& childData {rig.nodeDataCollection[child->idRef]};
+        childData.transform = childData.transform * parentData.transform;
+      }
+    }
+  }
+
   void SHModelLoader::ReadRigHeader(FileReference file, SHRigDataHeader& header)
   {
     file.read(
@@ -128,6 +167,11 @@ namespace SHADE
       sizeof(uint32_t)
     );
 
+    file.read(
+      reinterpret_cast<char*>(&header.startNode),
+      sizeof(uint32_t)
+    );
+
     header.charCounts.resize(header.nodeCount);
     file.read(
     reinterpret_cast<char*>(header.charCounts.data()),
@@ -141,21 +185,72 @@ namespace SHADE
 
     for (auto i {0}; i < header.nodeCount; ++i)
     {
-      data[i].name.resize(header.charCounts[i]);
+      auto& node = data[i];
+      node.name.resize(header.charCounts[i]);
       file.read(
-        data[i].name.data(),
+        node.name.data(),
         header.charCounts[i]
       );
 
       file.read(
-        reinterpret_cast<char*>(&data[i].transform),
+        reinterpret_cast<char*>(&node.inverseBindMatrix),
         sizeof(SHMatrix)
       );
+      node.inverseBindMatrix = node.inverseBindMatrix;
+
+      NodeDataFlag flag;
+      file.get(reinterpret_cast<char&>(flag));
+
+      SHVec3 scale{ SHVec3::One }, translation{ SHVec3::Zero };
+      SHVec4 rotation{ SHVec4::UnitW };
+      SHMatrix matrix{ SHMatrix::Identity };
+      std::vector<double> carrier;
+
+      if (flag & NODE_DATA_ROTATION)
+      {
+        carrier.resize(NODE_COMPONENT_COUNT_ROTATION);
+        file.read(
+          reinterpret_cast<char*>(carrier.data()),
+          sizeof(double) * NODE_COMPONENT_COUNT_ROTATION
+        );
+        rotation = GetVec4FromVector(carrier);
+      }
+
+      if (flag & NODE_DATA_SCALE)
+      {
+        carrier.resize(NODE_COMPONENT_COUNT_SCALE);
+        file.read(
+          reinterpret_cast<char*>(carrier.data()),
+          sizeof(double) * NODE_COMPONENT_COUNT_SCALE
+        );
+        scale = GetVec3FromVector(carrier);
+      }
+
+      if (flag & NODE_DATA_TRANSLATION)
+      {
+        carrier.resize(NODE_COMPONENT_COUNT_TRANSLATION);
+        file.read(
+          reinterpret_cast<char*>(carrier.data()),
+          sizeof(double) * NODE_COMPONENT_COUNT_TRANSLATION
+        );
+        translation = GetVec3FromVector(carrier);
+      }
+
+      if (flag & NODE_DATA_MATRIX)
+      {
+        carrier.resize(NODE_COMPONENT_COUNT_MATRIX);
+        file.read(
+          reinterpret_cast<char*>(carrier.data()),
+          sizeof(double) * NODE_COMPONENT_COUNT_MATRIX
+        );
+        matrix = GetMatrixFromVector(carrier);
+      }
+
+      //matrix *= SHMatrix::Transform(translation, rotation, scale);
+      matrix *= SHMatrix::Translate(translation) * SHMatrix::Rotate(rotation) * SHMatrix::Scale(scale);
+      node.transform = matrix;
+      //node.transform = SHMatrix::Inverse(node.inverseBindMatrix);
 
-      file.read(
-        reinterpret_cast<char*>(&data[i].offset),
-        sizeof(SHMatrix)
-      );
     }
   }
 
@@ -199,8 +294,6 @@ namespace SHADE
         nodeQueue.emplace(depthPtr++, depthTempPtr++);
       }
     }
-
-    delete[] dst;
   }
 
   void SHModelLoader::ReadMeshData(FileReference file, std::vector<SHMeshDataHeader> const& headers,
@@ -221,7 +314,6 @@ namespace SHADE
       data.VertexNormals.resize(header.vertexCount);
       data.VertexTexCoords.resize(header.vertexCount);
       data.Indices.resize(header.indexCount);
-      data.BoneCount = header.boneCount;
 
       file.read(data.name.data(), header.charCount);
       file.read(reinterpret_cast<char*>(data.VertexPositions.data()), vertexVec3Byte);
@@ -230,48 +322,20 @@ namespace SHADE
       file.read(reinterpret_cast<char*>(data.VertexTexCoords.data()), vertexVec2Byte);
       file.read(reinterpret_cast<char*>(data.Indices.data()), sizeof(uint32_t) * header.indexCount);
 
-      if (header.boneCount)
+      if (header.hasWeights)
       {
-        std::vector<MeshBoneInfo> boneInfos(header.boneCount);
-        std::vector<MeshBone> bones(header.boneCount);
-
-        file.read(reinterpret_cast<char*>(boneInfos.data()), sizeof(MeshBoneInfo) * header.boneCount);
-
-        for (auto i{ 0 }; i < header.boneCount; ++i)
-        {
-          auto& bone = bones[i];
-          auto const& info = boneInfos[i];
-
-          bone.name.resize(info.charCount);
-          file.read(bone.name.data(), info.charCount);
-          file.read(reinterpret_cast<char*>(&bone.offset), sizeof(SHMatrix));
-          
-          bone.weights.resize(info.weightCount);
-          file.read(reinterpret_cast<char*>(bone.weights.data()), sizeof(BoneWeight) * info.weightCount);
-        }
-
         data.VertexBoneIndices.resize(header.vertexCount);
         data.VertexBoneWeights.resize(header.vertexCount);
 
-        for (uint32_t boneIndex{0}; boneIndex < bones.size(); ++boneIndex)
-        {
-          auto const& bone = bones[boneIndex];
-          for (auto const& weight : bone.weights)
-          {
-            auto& boneIndices = data.VertexBoneIndices[weight.index];
-            auto& boneWeight = data.VertexBoneWeights[weight.index];
+        file.read(
+          reinterpret_cast<char*>(data.VertexBoneWeights.data()), 
+          sizeof(SHVec4) * header.vertexCount
+        );
 
-            for (auto j{0}; j < BONE_INDEX_ALIGHTMENT; ++j)
-            {
-              if (boneWeight[j] == 0.f)
-              {
-                boneIndices[j] = boneIndex;
-                boneWeight[j] = weight.weight;
-                break;
-              }
-            }
-          }
-        }
+        file.read(
+          reinterpret_cast<char*>(data.VertexBoneIndices.data()),
+          sizeof(SHVec4U) * header.vertexCount
+        );
       }
 
       meshes[i] = &data;
@@ -306,7 +370,7 @@ namespace SHADE
       animAsset.nodeChannels.resize(header.animNodeCount);
       for (auto i {0}; i < header.animNodeCount; ++i)
       {
-        ReadAnimNode(file, header.nodeHeaders[i], animAsset.nodeChannels[i]);
+        ReadAnimNode(file, header.frameCount, animAsset.nodeChannels[i]);
       }
 
       anims[i] = &animAsset;

SHADE_Engine/src/Assets/Libraries/Loaders/SHModelLoader.h

@@ -20,7 +20,6 @@ namespace SHADE
 	{
     using FileReference = std::ifstream&;
     
-    void ReadAnimNode(FileReference file, SHAnimNodeInfo const& info, SHAnimData& data);
 
     void ReadRigHeader(FileReference file, SHRigDataHeader& header);
     void ReadRigData(FileReference file, SHRigDataHeader const& header, std::vector<SHRigNodeData>& data);
@@ -28,6 +27,9 @@ namespace SHADE
     
     void ReadMeshData(FileReference file, std::vector<SHMeshDataHeader> const& headers, std::vector<SHMeshAsset*>& meshes);
     void ReadAnimData(FileReference file, std::vector<SHAnimDataHeader> const& headers, std::vector<SHAnimAsset*>& anims);
+    void ReadAnimNode(FileReference file, uint32_t frameCount, SHAnimNode& data);
+
+    void BuildTransformMatrices(SHRigAsset& rig);
 
     void ReadHeaders(FileReference file, SHModelAsset& asset);
     void ReadData(FileReference file, SHModelAsset& asset);

SHADE_Engine/src/Assets/Libraries/Loaders/SHTextBasedLoader.cpp

@@ -14,6 +14,7 @@
 #include "Assets/Asset Types/SHSceneAsset.h"
 #include "Assets/Asset Types/SHPrefabAsset.h"
 #include "Assets/Asset Types/SHMaterialAsset.h"
+#include "Assets/Asset Types/SHAudioBankAsset.h"
 
 #include <fstream>
 #include <sstream>
@@ -22,6 +23,14 @@ namespace SHADE
 {
   SHAssetData* SHTextBasedLoader::Load(AssetPath path)
   {
+    if (path.extension().string() == AUDIO_BANK_EXTENSION)
+    {
+      auto data = new SHAudioBankAsset();
+      data->name = path.stem().string();
+      data->path = path.string();
+      return data;
+    }
+
     std::ifstream file{ path, std::ios::in };
 
     if (!file.is_open())

SHADE_Engine/src/Assets/SHAssetMacros.h

@@ -57,6 +57,7 @@ enum class AssetType : AssetTypeMeta
   MESH,
   SCRIPT,
   FONT,
+  AUDIO_BANK,
   ANIM_CONTAINER,
   ANIM_CLIP,
   MAX_COUNT
@@ -87,6 +88,7 @@ constexpr std::string_view ANIM_CLIP_FOLDER{ "/Animations/" };
 constexpr std::string_view META_EXTENSION {".shmeta"};
 constexpr std::string_view AUDIO_EXTENSION {".ogg"};
 constexpr std::string_view AUDIO_WAV_EXTENSION {".wav"};
+constexpr std::string_view AUDIO_BANK_EXTENSION {".bank"};
 constexpr std::string_view SHADER_EXTENSION{ ".shshader" };
 constexpr std::string_view SHADER_BUILT_IN_EXTENSION{ ".shshaderb" };
 constexpr std::string_view FONT_EXTENSION{ ".shfont" };
@@ -111,7 +113,7 @@ constexpr std::string_view EXTENSIONS[] = {
   FILLER_EXTENSION,
   SCRIPT_EXTENSION,
   FONT_EXTENSION,
-  AUDIO_WAV_EXTENSION,
+  AUDIO_BANK_EXTENSION,
   ANIM_CONTAINER_EXTENSION,
   FILLER_EXTENSION
 };

SHADE_Engine/src/Assets/SHAssetManager.cpp

@@ -499,6 +499,10 @@ namespace SHADE
       fontPath += FONT_EXTENSION;
       newPath = fontPath;
     }
+    else if (ext == AUDIO_BANK_EXTENSION.data())
+    {
+      newPath = path.string();
+    }
     else
     {
       SHLOG_WARNING("[Asset Manager] File Type compilation not yet Implemented: {}", path.string());
@@ -582,6 +586,7 @@ namespace SHADE
     loaders[static_cast<size_t>(AssetType::MESH)] = nullptr;
     loaders[static_cast<size_t>(AssetType::SCRIPT)] = nullptr;
     loaders[static_cast<size_t>(AssetType::FONT)] = dynamic_cast<SHAssetLoader*>(new SHFontLoader());
+    loaders[static_cast<size_t>(AssetType::AUDIO_BANK)] = loaders[static_cast<size_t>(AssetType::SCENE)];
     loaders[static_cast<size_t>(AssetType::ANIM_CONTAINER)] = dynamic_cast<SHAssetLoader*>(new SHBinaryLoader());
     loaders[static_cast<size_t>(AssetType::ANIM_CLIP)] = nullptr;
 	}
@@ -752,6 +757,20 @@ namespace SHADE
 
       return newAsset.id;
     }
+    else if (ext == AUDIO_BANK_EXTENSION)
+    {
+      SHAsset newAsset{
+        path.stem().string(),
+        GenerateAssetID(AssetType::AUDIO_BANK),
+        AssetType::AUDIO_BANK,
+        path,
+        false
+      };
+      assetCollection.emplace(newAsset.id, newAsset);
+      SHAssetMetaHandler::WriteMetaData(newAsset);
+
+      return newAsset.id;
+    }
     else if(ext == MATERIAL_EXTENSION)
     {
       SHAsset newAsset{

SHADE_Engine/src/Editor/EditorWindow/Inspector/SHEditorComponentView.hpp

@@ -486,6 +486,7 @@ namespace SHADE
       SHEditorWidgets::DragVec3("Direction", { "X", "Y", "Z" }, [component]() {return component->GetDirection(); }, [component](SHVec3 const& vec) {component->SetDirection(vec); });
       SHEditorWidgets::ColorPicker("Color", [component]() {return component->GetColor(); }, [component](SHVec4 const& rgba) {component->SetColor(rgba); });
       SHEditorWidgets::DragFloat("Strength", [component]() {return component->GetStrength(); }, [component](float const& value) {component->SetStrength(value); });
+      SHEditorWidgets::CheckBox("Casting Shadows", [comp = component]() {return comp->GetEnableShadow(); }, [comp = component](bool b) {comp->SetEnableShadow(b);});
     }
     else
     {

SHADE_Engine/src/Events/SHEventDefines.h

@@ -30,4 +30,5 @@ constexpr SHEventIdentifier SH_BUTTON_RELEASE_EVENT               { 21 };
 constexpr SHEventIdentifier SH_BUTTON_HOVER_ENTER_EVENT           { 22 };
 constexpr SHEventIdentifier SH_BUTTON_HOVER_EXIT_EVENT            { 23 };
 constexpr SHEventIdentifier SH_ASSET_COMPILE_EVENT                { 24 };
+constexpr SHEventIdentifier SH_GRAPHICS_LIGHT_DELETE_EVENT        { 25 };
 

SHADE_Engine/src/Filesystem/SHFileSystem.cpp

@@ -162,6 +162,7 @@ namespace SHADE
           {
             assetCollection.emplace(asset.id, asset);
           }
+
           if (file.name == asset.name)
           {
             AssetPath path{ file.path };

SHADE_Engine/src/Graphics/Events/SHGraphicsEvents.h

@@ -6,13 +6,16 @@
 
 namespace SHADE
 {
-  struct SHLightEnableShadowEvent
+  struct SHLightShadowEvent
   {
     //! We need to get the light component and initialize the relevant variables.
     EntityID lightEntity;
 
     //! Generate a renderer for the light component
-    bool generateRenderer;
+    bool firstEnable;
+
+    //! True when light is set enable shadow
+    bool enableShadow;
   };
 
   struct SHWindowResizeEvent
@@ -23,4 +26,10 @@ namespace SHADE
     // New height when window resizes
     uint32_t resizeHeight;
   };
+
+  struct SHDeleteLightEvent
+  {
+    //! Entity of the light we are deleting 
+    EntityID lightEntity;
+  };
 }

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.cpp

@@ -128,7 +128,7 @@ namespace SHADE
 
     SHFreetypeInstance::Init();
 
-    //SHAssetManager::CompileAsset("../../Assets/Shaders/DeferredComposite_CS.glsl", false);
+    SHAssetManager::CompileAsset("../../Assets/Shaders/DeferredComposite_CS.glsl", false);
     //SHAssetManager::CompileAsset("../../Assets/Shaders/ShadowMap_FS.glsl", false);
     //SHAssetManager::CompileAsset("../../Assets/Shaders/ShadowMap_FS.glsl", false);
     //SHAssetManager::CompileAsset("../../Assets/Shaders/SSAO_CS.glsl", false);
@@ -141,25 +141,28 @@ namespace SHADE
     //SHAssetManager::CompileAsset("../../Assets/Shaders/Text_VS.glsl", false);
     //SHAssetManager::CompileAsset("../../Assets/Shaders/Trajectory_VS.glsl", false);
     //SHAssetManager::CompileAsset("../../Assets/Shaders/Trajectory_FS.glsl", false);
+    //SHAssetManager::CompileAsset("../../Assets/Shaders/ShadowMapBlur_CS.glsl", false);
+    //SHAssetManager::CompileAsset("../../Assets/Shaders/Anim_VS.glsl", false);
 
     // Load Built In Shaders
-    static constexpr AssetID VS_DEFAULT    = 39210065;  defaultVertShader       = SHResourceManager::LoadOrGet<SHVkShaderModule>(VS_DEFAULT);
-    static constexpr AssetID VS_ANIM       = 47911992;  animtVertShader         = SHResourceManager::LoadOrGet<SHVkShaderModule>(VS_ANIM);
-    static constexpr AssetID FS_DEFAULT    = 46377769;  defaultFragShader       = SHResourceManager::LoadOrGet<SHVkShaderModule>(FS_DEFAULT);
-    static constexpr AssetID VS_DEBUG      = 48002439;  debugVertShader         = SHResourceManager::LoadOrGet<SHVkShaderModule>(VS_DEBUG);
-    static constexpr AssetID FS_DEBUG      = 36671027;  debugFragShader         = SHResourceManager::LoadOrGet<SHVkShaderModule>(FS_DEBUG);
-    static constexpr AssetID VS_DEBUG_MESH = 42127043;  debugMeshVertShader     = SHResourceManager::LoadOrGet<SHVkShaderModule>(VS_DEBUG_MESH);
-    static constexpr AssetID CS_COMPOSITE  = 45072428;  deferredCompositeShader = SHResourceManager::LoadOrGet<SHVkShaderModule>(CS_COMPOSITE);
-    static constexpr AssetID SSAO          = 38430899;  ssaoShader              = SHResourceManager::LoadOrGet<SHVkShaderModule>(SSAO);
-    static constexpr AssetID SSAO_BLUR     = 39760835;  ssaoBlurShader          = SHResourceManager::LoadOrGet<SHVkShaderModule>(SSAO_BLUR);
-    static constexpr AssetID TEXT_VS       = 39816727;  textVS                  = SHResourceManager::LoadOrGet<SHVkShaderModule>(TEXT_VS);
-    static constexpr AssetID TEXT_FS       = 38024754;  textFS                  = SHResourceManager::LoadOrGet<SHVkShaderModule>(TEXT_FS);
-    static constexpr AssetID RENDER_SC_VS  = 48082949;  renderToSwapchainVS     = SHResourceManager::LoadOrGet<SHVkShaderModule>(RENDER_SC_VS);
-    static constexpr AssetID RENDER_SC_FS  = 36869006;  renderToSwapchainFS     = SHResourceManager::LoadOrGet<SHVkShaderModule>(RENDER_SC_FS);
-    static constexpr AssetID SHADOW_MAP_VS = 44646107;  shadowMapVS             = SHResourceManager::LoadOrGet<SHVkShaderModule>(SHADOW_MAP_VS);
-    static constexpr AssetID SHADOW_MAP_FS = 45925790;  shadowMapFS             = SHResourceManager::LoadOrGet<SHVkShaderModule>(SHADOW_MAP_FS);
-    static constexpr AssetID TRAJECTORY_VS = 41042628;  trajectoryVS            = SHResourceManager::LoadOrGet<SHVkShaderModule>(TRAJECTORY_VS);
-    static constexpr AssetID TRAJECTORY_FS = 45635685;  trajectoryFS            = SHResourceManager::LoadOrGet<SHVkShaderModule>(TRAJECTORY_FS);
+    static constexpr AssetID VS_DEFAULT     = 39210065;  defaultVertShader       = SHResourceManager::LoadOrGet<SHVkShaderModule>(VS_DEFAULT);
+    static constexpr AssetID VS_ANIM        = 47911992;  animtVertShader         = SHResourceManager::LoadOrGet<SHVkShaderModule>(VS_ANIM);
+    static constexpr AssetID FS_DEFAULT     = 46377769;  defaultFragShader       = SHResourceManager::LoadOrGet<SHVkShaderModule>(FS_DEFAULT);
+    static constexpr AssetID VS_DEBUG       = 48002439;  debugVertShader         = SHResourceManager::LoadOrGet<SHVkShaderModule>(VS_DEBUG);
+    static constexpr AssetID FS_DEBUG       = 36671027;  debugFragShader         = SHResourceManager::LoadOrGet<SHVkShaderModule>(FS_DEBUG);
+    static constexpr AssetID VS_DEBUG_MESH  = 42127043;  debugMeshVertShader     = SHResourceManager::LoadOrGet<SHVkShaderModule>(VS_DEBUG_MESH);
+    static constexpr AssetID CS_COMPOSITE   = 45072428;  deferredCompositeShader = SHResourceManager::LoadOrGet<SHVkShaderModule>(CS_COMPOSITE);
+    static constexpr AssetID SSAO           = 38430899;  ssaoShader              = SHResourceManager::LoadOrGet<SHVkShaderModule>(SSAO);
+    static constexpr AssetID SSAO_BLUR      = 39760835;  ssaoBlurShader          = SHResourceManager::LoadOrGet<SHVkShaderModule>(SSAO_BLUR);
+    static constexpr AssetID TEXT_VS        = 39816727;  textVS                  = SHResourceManager::LoadOrGet<SHVkShaderModule>(TEXT_VS);
+    static constexpr AssetID TEXT_FS        = 38024754;  textFS                  = SHResourceManager::LoadOrGet<SHVkShaderModule>(TEXT_FS);
+    static constexpr AssetID RENDER_SC_VS   = 48082949;  renderToSwapchainVS     = SHResourceManager::LoadOrGet<SHVkShaderModule>(RENDER_SC_VS);
+    static constexpr AssetID RENDER_SC_FS   = 36869006;  renderToSwapchainFS     = SHResourceManager::LoadOrGet<SHVkShaderModule>(RENDER_SC_FS);
+    static constexpr AssetID SHADOW_MAP_VS  = 44646107;  shadowMapVS             = SHResourceManager::LoadOrGet<SHVkShaderModule>(SHADOW_MAP_VS);
+    static constexpr AssetID SHADOW_MAP_FS  = 45925790;  shadowMapFS             = SHResourceManager::LoadOrGet<SHVkShaderModule>(SHADOW_MAP_FS);
+    static constexpr AssetID TRAJECTORY_VS  = 41042628;  trajectoryVS            = SHResourceManager::LoadOrGet<SHVkShaderModule>(TRAJECTORY_VS);
+    static constexpr AssetID TRAJECTORY_FS  = 45635685;  trajectoryFS            = SHResourceManager::LoadOrGet<SHVkShaderModule>(TRAJECTORY_FS);
+    static constexpr AssetID SHADOW_BLUR_CS = 38004013;  shadowMapBlurCS         = SHResourceManager::LoadOrGet<SHVkShaderModule>(SHADOW_BLUR_CS);
 
   }
 
@@ -217,7 +220,7 @@ namespace SHADE
     renderGraph->AddResource("Albedo", { SH_RENDER_GRAPH_RESOURCE_FLAGS::COLOR, SH_RENDER_GRAPH_RESOURCE_FLAGS::INPUT, SH_RENDER_GRAPH_RESOURCE_FLAGS::STORAGE }, true, windowDims.first, windowDims.second);
     renderGraph->AddResource("Depth Buffer", { SH_RENDER_GRAPH_RESOURCE_FLAGS::DEPTH, SH_RENDER_GRAPH_RESOURCE_FLAGS::INPUT }, true, windowDims.first, windowDims.second, vk::Format::eD32SfloatS8Uint);
     renderGraph->AddResource("Entity ID", { SH_RENDER_GRAPH_RESOURCE_FLAGS::COLOR, SH_RENDER_GRAPH_RESOURCE_FLAGS::SHARED }, true, windowDims.first, windowDims.second, vk::Format::eR32Uint, 1, vk::ImageUsageFlagBits::eTransferSrc);
-    renderGraph->AddResource("Light Layer Indices", { SH_RENDER_GRAPH_RESOURCE_FLAGS::COLOR, SH_RENDER_GRAPH_RESOURCE_FLAGS::INPUT, SH_RENDER_GRAPH_RESOURCE_FLAGS::STORAGE }, true, windowDims.first, windowDims.second, vk::Format::eR32Uint, 1, vk::ImageUsageFlagBits::eTransferSrc);
+    renderGraph->AddResource("Light Layer Indices And World Normals", { SH_RENDER_GRAPH_RESOURCE_FLAGS::COLOR, SH_RENDER_GRAPH_RESOURCE_FLAGS::INPUT, SH_RENDER_GRAPH_RESOURCE_FLAGS::STORAGE }, true, windowDims.first, windowDims.second, vk::Format::eR32G32B32A32Uint, 1, vk::ImageUsageFlagBits::eTransferSrc);
     renderGraph->AddResource("Scene", { SH_RENDER_GRAPH_RESOURCE_FLAGS::COLOR, SH_RENDER_GRAPH_RESOURCE_FLAGS::INPUT, SH_RENDER_GRAPH_RESOURCE_FLAGS::STORAGE, SH_RENDER_GRAPH_RESOURCE_FLAGS::SHARED }, true, windowDims.first, windowDims.second);
     renderGraph->AddResource("SSAO", { SH_RENDER_GRAPH_RESOURCE_FLAGS::COLOR, SH_RENDER_GRAPH_RESOURCE_FLAGS::INPUT, SH_RENDER_GRAPH_RESOURCE_FLAGS::STORAGE }, true, windowDims.first, windowDims.second, vk::Format::eR8Unorm);
     renderGraph->AddResource("SSAO Blur", { SH_RENDER_GRAPH_RESOURCE_FLAGS::COLOR, SH_RENDER_GRAPH_RESOURCE_FLAGS::INPUT, SH_RENDER_GRAPH_RESOURCE_FLAGS::STORAGE }, true, windowDims.first, windowDims.second, vk::Format::eR8Unorm);
@@ -231,7 +234,7 @@ namespace SHADE
       {
         "Position",
         "Entity ID",
-        "Light Layer Indices",
+        "Light Layer Indices And World Normals",
         "Normals",
         "Albedo",
         "Depth Buffer",
@@ -248,7 +251,7 @@ namespace SHADE
     auto gBufferSubpass = gBufferNode->AddSubpass(SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_WRITE_SUBPASS.data(), worldViewport, worldRenderer);
     gBufferSubpass->AddColorOutput("Position");
     gBufferSubpass->AddColorOutput("Entity ID");
-    gBufferSubpass->AddColorOutput("Light Layer Indices");
+    gBufferSubpass->AddColorOutput("Light Layer Indices And World Normals");
     gBufferSubpass->AddColorOutput("Normals");
     gBufferSubpass->AddColorOutput("Albedo");
     gBufferSubpass->AddColorOutput("Position World Space");
@@ -258,7 +261,7 @@ namespace SHADE
     auto gBufferVfxSubpass = gBufferNode->AddSubpass(SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_WRITE_VFX_SUBPASS.data(), worldViewport, worldRenderer);
     gBufferVfxSubpass->AddColorOutput("Position");
     gBufferVfxSubpass->AddColorOutput("Entity ID");
-    gBufferVfxSubpass->AddColorOutput("Light Layer Indices");
+    gBufferVfxSubpass->AddColorOutput("Light Layer Indices And World Normals");
     gBufferVfxSubpass->AddColorOutput("Normals");
     gBufferVfxSubpass->AddColorOutput("Albedo");
     gBufferVfxSubpass->AddColorOutput("Position World Space");
@@ -314,7 +317,7 @@ namespace SHADE
     auto deferredCompositeNode = renderGraph->AddNode(SHGraphicsConstants::RenderGraphEntityNames::DEFERRED_COMPOSITE_PASS.data(),
       {
         "Position",
-        "Light Layer Indices",
+        "Light Layer Indices And World Normals",
         "Normals",
         "Albedo",
         "Scene",
@@ -327,7 +330,7 @@ namespace SHADE
     /*-----------------------------------------------------------------------*/
     /* DEFERRED COMPOSITE SUBPASS INIT                                       */
     /*-----------------------------------------------------------------------*/
-    auto deferredCompositeCompute = deferredCompositeNode->AddNodeCompute(SHGraphicsConstants::RenderGraphEntityNames::DEFERRED_COMPOSITE_COMPUTE.data(), deferredCompositeShader, {"Position", "Normals", "Albedo", "Light Layer Indices", "SSAO Blur", "Position World Space", "Scene", "Object VFX"}, {}, SHLightingSubSystem::MAX_SHADOWS);
+    auto deferredCompositeCompute = deferredCompositeNode->AddNodeCompute(SHGraphicsConstants::RenderGraphEntityNames::DEFERRED_COMPOSITE_COMPUTE.data(), deferredCompositeShader, {"Position", "Normals", "Albedo", "Light Layer Indices And World Normals", "SSAO Blur", "Position World Space", "Scene", "Object VFX"}, {}, SHLightingSubSystem::MAX_SHADOWS);
     deferredCompositeCompute->AddPreComputeFunction([=](Handle<SHVkCommandBuffer> cmdBuffer, uint32_t frameIndex)
       {
         lightingSubSystem->PrepareShadowMapsForRead(cmdBuffer);
@@ -534,12 +537,21 @@ namespace SHADE
     ReceiverPtr lightEnableShadowReceivePtr = std::dynamic_pointer_cast<SHEventReceiver>(lightEnableShadowReceiver);
     SHEventManager::SubscribeTo(SH_GRAPHICS_LIGHT_ENABLE_SHADOW_EVENT, lightEnableShadowReceivePtr);
 
+    std::shared_ptr<SHEventReceiverSpec<SHGraphicsSystem>> lightDeleteEvent
+    {
+      std::make_shared<SHEventReceiverSpec<SHGraphicsSystem>>(this, &SHGraphicsSystem::ReceiveLightDeleteEvent)
+    };
+    ReceiverPtr lightDeleteReceivePtr = std::dynamic_pointer_cast<SHEventReceiver>(lightDeleteEvent);
+    SHEventManager::SubscribeTo(SH_GRAPHICS_LIGHT_DELETE_EVENT, lightDeleteReceivePtr);
+
+
     std::shared_ptr<SHEventReceiverSpec<SHGraphicsSystem>> compileAssetReceiever
     {
       std::make_shared<SHEventReceiverSpec<SHGraphicsSystem>>(this, &SHGraphicsSystem::ReceiveCompileAssetEvent)
     };
     ReceiverPtr compileAssetReceivePtr = std::dynamic_pointer_cast<SHEventReceiver>(compileAssetReceiever);
     SHEventManager::SubscribeTo(SH_ASSET_COMPILE_EVENT, compileAssetReceivePtr);
+
   }
 
   void SHGraphicsSystem::InitGenericDataAndTexturesDescSet(void) noexcept
@@ -674,22 +686,6 @@ namespace SHADE
 #endif
     }
 
-    //static bool shadowAdded = false;
-
-    //if (shadowAdded == false && SHInputManager::GetKey(SHInputManager::SH_KEYCODE::B))
-    //{
-    //  shadowAdded = true;
-    //  auto& lightComps = SHComponentManager::GetDense<SHLightComponent>();
-    //  //if (lightComps.size() > 2)
-    //  //{
-    //  //  lightComps[2].SetEnableShadow(true);
-    //  //}
-    //  for (auto& comp : lightComps)
-    //  {
-    //    comp.SetEnableShadow(true);
-    //  }
-    //}
-
     renderGraph->Begin(frameIndex);
     auto cmdBuffer = renderGraph->GetCommandBuffer(frameIndex);
 
@@ -863,66 +859,121 @@ namespace SHADE
   }
 
   SHEventHandle SHGraphicsSystem::ReceiveLightEnableShadowEvent(SHEventPtr eventPtr) noexcept
+  {
+    auto const&       EVENT_DATA                   = reinterpret_cast<const SHEventSpec<SHLightShadowEvent>*>(eventPtr.get())->data;
+    auto*             lightComp                    = SHComponentManager::GetComponent<SHLightComponent>(EVENT_DATA->lightEntity);
+    std::string       depthResourceName            = "ShadowMap_Depth " + std::to_string(EVENT_DATA->lightEntity);
+    std::string       shadowMapResourceName        = "ShadowMap " + std::to_string(EVENT_DATA->lightEntity);
+    std::string       shadowMapBlurredResourceName = "ShadowMap Blurred" + std::to_string(EVENT_DATA->lightEntity);
+    Handle<SHSubpass> gBufferWriteSubpass          = renderGraph->GetNode(SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_PASS.data())->GetSubpass(SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_WRITE_SUBPASS);
+    Handle<SHSubpass> gBufferWriteVfxSubpass       = renderGraph->GetNode(SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_PASS.data())->GetSubpass(SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_WRITE_VFX_SUBPASS);
+
+    if (EVENT_DATA->enableShadow)
+    {
+      // When the light first enables shadow rendering, we need to prepare the relevant objects to render shadows; namely renderpasses and subpasses, pipelines and descriptor sets 
+      if (EVENT_DATA->firstEnable)
+      {
+        // we need to wait for the device to finish using the graph first
+        device->WaitIdle();
+
+        // Create new renderer for the light component and give it to the light component
+        Handle<SHRenderer> newRenderer = resourceManager.Create<SHRenderer>(device, swapchain->GetNumImages(), descPool, SHRenderer::PROJECTION_TYPE::ORTHOGRAPHIC);
+        lightComp->SetRenderer(newRenderer);
+
+        // assign shadow map index to light component
+        lightComp->SetShadowMapIndex(lightingSubSystem->GetNumShadowMaps());
+
+
+        // Add the shadow map resource to the graph
+        renderGraph->AddResource(depthResourceName, { SH_RENDER_GRAPH_RESOURCE_FLAGS::DEPTH }, false, SHLightingSubSystem::SHADOW_MAP_WIDTH, SHLightingSubSystem::SHADOW_MAP_HEIGHT, vk::Format::eD32Sfloat);
+        renderGraph->AddResource(shadowMapResourceName, { SH_RENDER_GRAPH_RESOURCE_FLAGS::COLOR, SH_RENDER_GRAPH_RESOURCE_FLAGS::INPUT, SH_RENDER_GRAPH_RESOURCE_FLAGS::STORAGE }, false, SHLightingSubSystem::SHADOW_MAP_WIDTH, SHLightingSubSystem::SHADOW_MAP_HEIGHT, vk::Format::eR32G32B32A32Sfloat);
+        renderGraph->AddResource(shadowMapBlurredResourceName, { SH_RENDER_GRAPH_RESOURCE_FLAGS::COLOR, SH_RENDER_GRAPH_RESOURCE_FLAGS::INPUT, SH_RENDER_GRAPH_RESOURCE_FLAGS::STORAGE }, false, SHLightingSubSystem::SHADOW_MAP_WIDTH, SHLightingSubSystem::SHADOW_MAP_HEIGHT, vk::Format::eR32G32B32A32Sfloat);
+
+
+
+        // link resource to node. This means linking the resource and regenerating the node's renderpass and framebuffer.
+        auto shadowMapNode = renderGraph->AddNodeAfter(SHGraphicsConstants::RenderGraphEntityNames::SHADOW_MAP_PASS.data() + shadowMapResourceName, { depthResourceName.c_str(), shadowMapResourceName.c_str(), shadowMapBlurredResourceName.c_str() }, SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_PASS.data());
+
+        // Add a subpass to render to that shadow map
+        auto shadowMapDrawSubpass = shadowMapNode->RuntimeAddSubpass(shadowMapResourceName + " Subpass", shadowMapViewport, lightComp->GetRenderer());
+        shadowMapDrawSubpass->AddColorOutput(shadowMapResourceName);
+        shadowMapDrawSubpass->AddDepthOutput(depthResourceName, SH_RENDER_GRAPH_RESOURCE_FLAGS::DEPTH);
+
+        // add compute pass to blur shadow ma
+        shadowMapNode->AddNodeCompute(SHGraphicsConstants::RenderGraphEntityNames::SHADOW_MAP_PASS.data() + shadowMapResourceName, shadowMapBlurCS, { shadowMapResourceName.c_str(), shadowMapBlurredResourceName.c_str() });
+
+        // regenerate the node
+        shadowMapNode->RuntimeStandaloneRegenerate();
+
+        // Create pipeline from new renderpass and subpass if it's not created yet
+        if (!shadowMapPipeline)
+        {
+          SHPipelineLibrary tempLibrary{};
+          Handle<SHRenderGraphNode> rgNode = renderGraph->GetNode(SHGraphicsConstants::RenderGraphEntityNames::SHADOW_MAP_PASS.data());
+
+          SHRasterizationState rasterState{};
+          rasterState.cull_mode = vk::CullModeFlagBits::eBack;
+
+          tempLibrary.Init(device);
+          tempLibrary.CreateGraphicsPipelines
+          (
+            { shadowMapVS, shadowMapFS }, shadowMapNode->GetRenderpass(), shadowMapDrawSubpass,
+            SHGraphicsPredefinedData::SystemType::BATCHING,
+            SHGraphicsPredefinedData::GetShadowMapViState(), rasterState
+          );
+          shadowMapPipeline = tempLibrary.GetGraphicsPipeline({ shadowMapVS, shadowMapFS, shadowMapDrawSubpass });
+        }
+        shadowMapDrawSubpass->AddCompanionSubpass(gBufferWriteSubpass, shadowMapPipeline); // set companion subpass and pipeline 
+        shadowMapDrawSubpass->AddCompanionSubpass(gBufferWriteVfxSubpass, shadowMapPipeline); // set companion subpass and pipeline 
+
+        // add the shadow map and the blurred version to the lighting system
+        uint32_t const NEW_SHADOW_MAP_INDEX = lightingSubSystem->AddShadowMap(renderGraph->GetRenderGraphResource(shadowMapBlurredResourceName), EVENT_DATA->lightEntity);
+
+        // Get deferred composite node compute and modify descriptor set
+        auto nodeCompute = renderGraph->GetNode(SHGraphicsConstants::RenderGraphEntityNames::DEFERRED_COMPOSITE_PASS.data())->GetNodeCompute(SHGraphicsConstants::RenderGraphEntityNames::DEFERRED_COMPOSITE_COMPUTE.data());
+        nodeCompute->ModifyWriteDescImageComputeResource(SHGraphicsConstants::DescriptorSetBindings::SHADOW_MAP_IMAGE_SAMPLER_DATA, lightingSubSystem->GetViewSamplerLayout(NEW_SHADOW_MAP_INDEX), NEW_SHADOW_MAP_INDEX);
+      }
+      else
+      {
+        // get the shadow map node
+        renderGraph->GetNode (SHGraphicsConstants::RenderGraphEntityNames::SHADOW_MAP_PASS.data() + shadowMapResourceName)->SetDynamicActive(true);
+      }
+    }
+    else
+    {
+      // get the shadow map node
+      renderGraph->GetNode(SHGraphicsConstants::RenderGraphEntityNames::SHADOW_MAP_PASS.data() + shadowMapResourceName)->SetDynamicActive(false);
+    }
+
+    return eventPtr->handle;
+  }
+
+  SHEventHandle SHGraphicsSystem::ReceiveLightDeleteEvent(SHEventPtr eventPtr) noexcept
   {
     // we need to wait for the device to finish using the graph first
     device->WaitIdle();
 
-    auto const&       EVENT_DATA            = reinterpret_cast<const SHEventSpec<SHLightEnableShadowEvent>*>(eventPtr.get())->data;
-    auto*             lightComp             = SHComponentManager::GetComponent<SHLightComponent>(EVENT_DATA->lightEntity);
-    std::string       depthResourceName     = "ShadowMap_Depth " + std::to_string(EVENT_DATA->lightEntity);
-    std::string       shadowMapResourceName = "ShadowMap " + std::to_string(EVENT_DATA->lightEntity);
-    Handle<SHSubpass> companionSubpass  = renderGraph->GetNode(SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_PASS.data())->GetSubpass(SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_WRITE_SUBPASS);
+    auto const& EVENT_DATA = reinterpret_cast<const SHEventSpec<SHLightShadowEvent>*>(eventPtr.get())->data;
+    auto* lightComp = SHComponentManager::GetComponent<SHLightComponent>(EVENT_DATA->lightEntity);
     
-    if (EVENT_DATA->generateRenderer)
+    if (lightComp && lightComp->GetShadowMapIndex() != SHLightData::INVALID_SHADOW_MAP_INDEX)
     {
-      // Create new renderer for the light component and give it to the light component
-      Handle<SHRenderer> newRenderer = resourceManager.Create<SHRenderer>(device, swapchain->GetNumImages(), descPool, SHRenderer::PROJECTION_TYPE::ORTHOGRAPHIC);
-      lightComp->SetRenderer (newRenderer);
+      std::string       depthResourceName = "ShadowMap_Depth " + std::to_string(EVENT_DATA->lightEntity);
+      std::string       shadowMapResourceName = "ShadowMap " + std::to_string(EVENT_DATA->lightEntity);
+      std::string       shadowMapBlurredResourceName = "ShadowMap Blurred" + std::to_string(EVENT_DATA->lightEntity);
 
-      // assign shadow map index to light component
-      lightComp->SetShadowMapIndex (lightingSubSystem->GetNumShadowMaps());
+      // Remove render graph node
+      //renderGraph->RemoveNode(SHGraphicsConstants::RenderGraphEntityNames::SHADOW_MAP_PASS.data() + shadowMapResourceName);
+
+      // Remove render graph resource
+      //renderGraph->RemoveResource(depthResourceName);
+      //renderGraph->RemoveResource(shadowMapResourceName);
+      //renderGraph->RemoveResource(shadowMapBlurredResourceName);
+
+      // Register light component shadow map index into light system as recyclable 
+      lightingSubSystem->RemoveShadowMap (EVENT_DATA->lightEntity);
     }
 
-    // Add the shadow map resource to the graph
-    renderGraph->AddResource(depthResourceName, {SH_RENDER_GRAPH_RESOURCE_FLAGS::DEPTH}, false, SHLightingSubSystem::SHADOW_MAP_WIDTH, SHLightingSubSystem::SHADOW_MAP_HEIGHT, vk::Format::eD32Sfloat);
-    renderGraph->AddResource(shadowMapResourceName, { SH_RENDER_GRAPH_RESOURCE_FLAGS::COLOR, SH_RENDER_GRAPH_RESOURCE_FLAGS::INPUT }, false, SHLightingSubSystem::SHADOW_MAP_WIDTH, SHLightingSubSystem::SHADOW_MAP_HEIGHT, vk::Format::eR32G32B32A32Sfloat);
-
-    // link resource to node. This means linking the resource and regenerating the node's renderpass and framebuffer.
-    auto shadowMapNode = renderGraph->AddNodeAfter(SHGraphicsConstants::RenderGraphEntityNames::SHADOW_MAP_PASS.data() + shadowMapResourceName, {depthResourceName.c_str(), shadowMapResourceName.c_str()}, SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_PASS.data());
-
-    // Add a subpass to render to that shadow map
-    auto newSubpass = shadowMapNode->RuntimeAddSubpass(shadowMapResourceName + " Subpass", shadowMapViewport, lightComp->GetRenderer());
-    newSubpass->AddColorOutput(shadowMapResourceName);
-    newSubpass->AddDepthOutput(depthResourceName, SH_RENDER_GRAPH_RESOURCE_FLAGS::DEPTH);
-
-    // regenerate the node
-    shadowMapNode->RuntimeStandaloneRegenerate();
-
-    // Create pipeline from new renderpass and subpass if it's not created yet
-    if (!shadowMapPipeline)
-    {
-      SHPipelineLibrary tempLibrary{};
-      Handle<SHRenderGraphNode> rgNode = renderGraph->GetNode(SHGraphicsConstants::RenderGraphEntityNames::SHADOW_MAP_PASS.data());
-
-      SHRasterizationState rasterState{};
-      rasterState.cull_mode = vk::CullModeFlagBits::eBack;
-
-      tempLibrary.Init(device);
-      tempLibrary.CreateGraphicsPipelines
-      (
-        { shadowMapVS, shadowMapFS }, shadowMapNode->GetRenderpass(), newSubpass, 
-        SHGraphicsPredefinedData::SystemType::BATCHING, 
-        SHGraphicsPredefinedData::GetShadowMapViState(), rasterState
-      );
-      shadowMapPipeline = tempLibrary.GetGraphicsPipeline({ shadowMapVS, shadowMapFS, newSubpass });
-    }
-    newSubpass->SetCompanionSubpass(companionSubpass, shadowMapPipeline); // set companion subpass and pipeline 
-    
-    // add the shadow map to the lighting system
-    uint32_t const NEW_SHADOW_MAP_INDEX = lightingSubSystem->AddShadowMap(renderGraph->GetRenderGraphResource(shadowMapResourceName), EVENT_DATA->lightEntity);
-
-    auto nodeCompute = renderGraph->GetNode(SHGraphicsConstants::RenderGraphEntityNames::DEFERRED_COMPOSITE_PASS.data())->GetNodeCompute(SHGraphicsConstants::RenderGraphEntityNames::DEFERRED_COMPOSITE_COMPUTE.data());
-    nodeCompute->ModifyWriteDescImageComputeResource(SHGraphicsConstants::DescriptorSetBindings::SHADOW_MAP_IMAGE_SAMPLER_DATA, lightingSubSystem->GetViewSamplerLayout(NEW_SHADOW_MAP_INDEX), NEW_SHADOW_MAP_INDEX);
 
     return eventPtr->handle;
   }

SHADE_Engine/src/Graphics/MiddleEnd/Interface/SHGraphicsSystem.h

@@ -182,6 +182,7 @@ namespace SHADE
     /* Light functions                                                       */
     /*-----------------------------------------------------------------------*/
     SHEventHandle ReceiveLightEnableShadowEvent (SHEventPtr eventPtr) noexcept;
+    SHEventHandle ReceiveLightDeleteEvent       (SHEventPtr eventPtr) noexcept;
 
     /*-----------------------------------------------------------------------*/
     /* Asset Events                                                          */
@@ -481,6 +482,7 @@ namespace SHADE
     Handle<SHVkShaderModule>                                  shadowMapFS;
     Handle<SHVkShaderModule>                                  trajectoryVS;
     Handle<SHVkShaderModule>                                  trajectoryFS;
+    Handle<SHVkShaderModule>                                  shadowMapBlurCS;
 
     // Fonts
     Handle<SHFont>                                            testFont;

SHADE_Engine/src/Graphics/MiddleEnd/Lights/SHLightComponent.cpp

@@ -21,6 +21,14 @@ namespace SHADE
 
   void SHLightComponent::OnDestroy(void)
   {
+    if (lightData.shadowMapIndex != SHLightData::INVALID_SHADOW_MAP_INDEX)
+    {
+      // Create new event and broadcast it
+      SHDeleteLightEvent newEvent;
+      newEvent.lightEntity = GetEID();
+
+      SHEventManager::BroadcastEvent<SHDeleteLightEvent>(newEvent, SH_GRAPHICS_LIGHT_DELETE_EVENT);
+    }
 
   }
 
@@ -113,15 +121,21 @@ namespace SHADE
     lightData.castShadows = flag;
     
     // If the flag is true 
-    if (flag && lightData.shadowMapIndex == SHLightData::INVALID_SHADOW_MAP_INDEX)
+    if (flag)
     {
       // Create new event and broadcast it
-      SHLightEnableShadowEvent newEvent;
+      SHLightShadowEvent newEvent;
       newEvent.lightEntity = GetEID();
-      newEvent.generateRenderer = static_cast<bool>(!renderer);
 
-      SHEventManager::BroadcastEvent<SHLightEnableShadowEvent>(newEvent, SH_GRAPHICS_LIGHT_ENABLE_SHADOW_EVENT);
+      // If shadow map index is invalid, that means light is enabling shadow for the first time.
+      newEvent.firstEnable = (lightData.shadowMapIndex == SHLightData::INVALID_SHADOW_MAP_INDEX);
+
+      // pass the flag to the event
+      newEvent.enableShadow = flag;
+
+      SHEventManager::BroadcastEvent<SHLightShadowEvent>(newEvent, SH_GRAPHICS_LIGHT_ENABLE_SHADOW_EVENT);
     }
+    
   }
 
   void SHLightComponent::SetRenderer(Handle<SHRenderer> newRenderer) noexcept
@@ -190,6 +204,16 @@ namespace SHADE
     return renderer;
   }
 
+  bool SHLightComponent::GetEnableShadow(void) const noexcept
+  {
+    return lightData.castShadows;
+  }
+
+  uint32_t SHLightComponent::GetShadowMapIndex(void) const noexcept
+  {
+    return lightData.shadowMapIndex;
+  }
+
 }
 
 RTTR_REGISTRATION
@@ -212,5 +236,6 @@ RTTR_REGISTRATION
   .property("Color", &SHLightComponent::GetColor, &SHLightComponent::SetColor)
   .property("Layer", &SHLightComponent::GetCullingMask, &SHLightComponent::SetCullingMask)
   .property("Strength", &SHLightComponent::GetStrength, &SHLightComponent::SetStrength)
+  .property("Casting Shadows", &SHLightComponent::GetEnableShadow, &SHLightComponent::SetEnableShadow)
   ;
 }

SHADE_Engine/src/Graphics/MiddleEnd/Lights/SHLightComponent.h

@@ -69,6 +69,9 @@ namespace SHADE
     //uint32_t           GetIndexInBuffer (void) const noexcept;
     float              GetStrength      (void) const noexcept;
     Handle<SHRenderer> GetRenderer      (void) const noexcept;
+    bool               GetEnableShadow (void) const noexcept;
+    uint32_t           GetShadowMapIndex (void) const noexcept;
+
     RTTR_ENABLE()
   };
 }

SHADE_Engine/src/Graphics/MiddleEnd/Lights/SHLightingSubSystem.cpp

@@ -53,7 +53,8 @@ namespace SHADE
       SHVec4 transformedDir = SHMatrix::Transpose(viewMat) * SHVec4(lightData.direction[0], lightData.direction[1], lightData.direction[2], 0.0f);
 
       lightPtr->cullingMask = lightData.cullingMask;
-      lightPtr->direction = SHVec3 (transformedDir.x, transformedDir.y, transformedDir.z);
+      lightPtr->directionWorld = SHVec4 (lightData.direction.x, lightData.direction.y, lightData.direction.z, 1.0f);
+      lightPtr->direction = SHVec3(transformedDir.x, transformedDir.y, transformedDir.z);
       //lightPtr->direction = lightData.direction;
       lightPtr->diffuseColor = lightData.color;
       lightPtr->active = lightComp->isActive;
@@ -525,7 +526,7 @@ namespace SHADE
       if (auto renderer = light.GetRenderer())
       {
         //SHMatrix orthoMatrix = SHMatrix::OrthographicRH()
-        renderer->UpdateDataManual(frameIndex, GetViewMatrix(&light), SHMatrix::OrthographicLH(12.0f, 12.0f, 1.0f, 80.0f));
+        renderer->UpdateDataManual(frameIndex, GetViewMatrix(&light), SHMatrix::OrthographicLH(15.0f, 15.0f, 1.0f, 80.0f));
       }
 
       auto enumValue = SHUtilities::ConvertEnum(light.GetLightData().type);
@@ -598,49 +599,25 @@ namespace SHADE
   {
     //Bind descriptor set(We bind at an offset because the buffer holds NUM_FRAME_BUFFERS sets of data).
     cmdBuffer->BindDescriptorSet(lightingDataDescSet, SH_PIPELINE_TYPE::COMPUTE, setIndex, { dynamicOffsets[frameIndex] });
-
   }
 
-  uint32_t SHLightingSubSystem::AddShadowMap(Handle<SHRenderGraphResource> newShadowMap, EntityID lightEntity) noexcept
+  uint32_t SHLightingSubSystem::AddShadowMap(Handle<SHRenderGraphResource> newShadowMapBlurred, EntityID lightEntity) noexcept
   {
-    // Add to container of shadow maps
-    shadowMapIndexing.emplace(lightEntity, static_cast<uint32_t> (shadowMaps.size()));
-    shadowMaps.emplace_back(newShadowMap);
+    uint32_t usedIndex = 0;
 
     // Just use the image view stored in the resource
-    Handle<SHVkImageView> const NEW_IMAGE_VIEW = newShadowMap->GetImageView();
-
-    // Prepare to write to descriptor
-    shadowMapImageSamplers.emplace_back(NEW_IMAGE_VIEW, shadowMapSampler, vk::ImageLayout::eShaderReadOnlyOptimal);
-
-    // Update descriptor set
-    //static constexpr uint32_t SHADOW_MAP_DESC_SET_INDEX = 0;
-    //uint32_t const SHADOW_MAP_DESC_ARRAY_INDEX = static_cast<uint32_t>(shadowMapImageSamplers.size()) - 1u;
-    //shadowMapDescriptorSet->ModifyWriteDescImage
-    //(
-    //  SHADOW_MAP_DESC_SET_INDEX,
-    //  SHGraphicsConstants::DescriptorSetBindings::SHADOW_MAP_IMAGE_SAMPLER_DATA,
-    //  shadowMapImageSamplers[SHADOW_MAP_DESC_ARRAY_INDEX],
-    //  SHADOW_MAP_DESC_ARRAY_INDEX
-    //);
-
-    //// TODO: Definitely can be optimized by writing a function that modifies a specific descriptor in the array
-    //shadowMapDescriptorSet->UpdateDescriptorSetImages
-    //(
-    //  SHADOW_MAP_DESC_SET_INDEX,
-    //  SHGraphicsConstants::DescriptorSetBindings::SHADOW_MAP_IMAGE_SAMPLER_DATA
-    //);
+    Handle<SHVkImageView> const NEW_IMAGE_VIEW = newShadowMapBlurred->GetImageView();
 
     // add to barriers
     shadowMapMemoryBarriers.push_back (vk::ImageMemoryBarrier
       {
-        .srcAccessMask = vk::AccessFlagBits::eColorAttachmentWrite | vk::AccessFlagBits::eColorAttachmentRead,
+        .srcAccessMask = vk::AccessFlagBits::eShaderWrite,
         .dstAccessMask = vk::AccessFlagBits::eShaderRead,
-        .oldLayout = vk::ImageLayout::eColorAttachmentOptimal,
-        .newLayout = vk::ImageLayout::eShaderReadOnlyOptimal,
+        .oldLayout = vk::ImageLayout::eGeneral,
+        .newLayout = vk::ImageLayout::eGeneral,
         .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
         .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
-        .image = newShadowMap->GetImage()->GetVkImage(),
+        .image = newShadowMapBlurred->GetImage()->GetVkImage(),
         .subresourceRange = vk::ImageSubresourceRange
         {
           .aspectMask = vk::ImageAspectFlagBits::eColor, 
@@ -651,38 +628,76 @@ namespace SHADE
         }
       });
 
+    if (recyclableIndices.empty())
+    {
+      shadowMaps.emplace_back(newShadowMapBlurred);
+
+      // Prepare to write to descriptor
+      shadowMapImageSamplers.emplace_back(NEW_IMAGE_VIEW, shadowMapSampler, vk::ImageLayout::eShaderReadOnlyOptimal);
+
+      // Add to container of shadow maps
+      shadowMapIndexing.emplace(lightEntity, static_cast<uint32_t> (shadowMaps.size()));
+
+      usedIndex = static_cast<uint32_t>(shadowMapImageSamplers.size()) - 1u;
+    }
+    else
+    {
+      uint32_t usedIndex = recyclableIndices.top();
+      recyclableIndices.pop();
+
+      // Recycle the slot in the vector of shadow maps
+      shadowMaps[usedIndex] = newShadowMapBlurred;
+      
+      // register indexing for shadow maps
+      shadowMapIndexing.emplace(lightEntity, usedIndex);
+
+      // Recycle the slot in the vector of image view, samplers and layout
+      shadowMapImageSamplers[usedIndex] = std::make_tuple(NEW_IMAGE_VIEW, shadowMapSampler, vk::ImageLayout::eShaderReadOnlyOptimal);
+    }
+
+
     // return new index of shadow map
-    return static_cast<uint32_t>(shadowMapImageSamplers.size()) - 1u;
+    return usedIndex;
+  }
+
+  void SHLightingSubSystem::RemoveShadowMap(EntityID lightEntity) noexcept
+  {
+    auto* lightComp = SHComponentManager::GetComponent<SHLightComponent>(lightEntity);
+
+    if (lightComp && shadowMapIndexing.contains(lightEntity))
+    {
+      uint32_t shadowMapIndex = shadowMapIndexing[lightEntity];
+
+      // Recycle the shadow map index used by the component
+      RecycleShadowMapIndex(lightComp);
+
+      // Not removed from container, can recycle
+      shadowMaps[shadowMapIndex] = {};
+
+      // Not removed from container, can recycle
+      shadowMapImageSamplers[shadowMapIndex] = {};
+
+      // Remove from barriers
+      shadowMapMemoryBarriers.erase(shadowMapMemoryBarriers.begin() + shadowMapIndex);
+
+      // remove from map for indexing
+      shadowMapIndexing.erase(lightEntity);
+    }
+  }
+
+  void SHLightingSubSystem::RecycleShadowMapIndex(SHLightComponent* lightComp) noexcept
+  {
+    // if index is recyclable, recycle it
+    if (lightComp && lightComp->GetShadowMapIndex() != SHLightData::INVALID_SHADOW_MAP_INDEX)
+      recyclableIndices.push (lightComp->GetShadowMapIndex());
   }
 
   void SHLightingSubSystem::PrepareShadowMapsForRead(Handle<SHVkCommandBuffer> cmdBuffer) noexcept
   {
     // Issue barrier to transition shadow maps for reading in compute shader
-    cmdBuffer->PipelineBarrier(vk::PipelineStageFlagBits::eColorAttachmentOutput, vk::PipelineStageFlagBits::eComputeShader, {}, {}, {}, shadowMapMemoryBarriers);
+    cmdBuffer->PipelineBarrier(vk::PipelineStageFlagBits::eComputeShader, vk::PipelineStageFlagBits::eComputeShader, {}, {}, {}, shadowMapMemoryBarriers);
   }
 
-  //void SHLightingSubSystem::HandleResize(Handle<SHRenderGraphNodeCompute> compute) noexcept
-  //{
-  //  uint32_t const NUM_SHADOW_MAPS = static_cast<uint32_t>(shadowMaps.size());
-  //  for (uint32_t i = 0; i < NUM_SHADOW_MAPS; ++i)
-  //  {
-  //    // Just use the image view stored in the resource
-  //    Handle<SHVkImageView> const NEW_IMAGE_VIEW = shadowMaps[i]->GetImageView();
-
-  //    // set new image view
-  //    std::get<Handle<SHVkImageView>>(shadowMapImageSamplers[i]) = NEW_IMAGE_VIEW;
-
-  //    // Set image for barrier
-  //    shadowMapMemoryBarriers[i].image = shadowMaps[i]->GetImage()->GetVkImage();
-  //  }
-
-  //  if (NUM_SHADOW_MAPS > 0)
-  //  {
-  //    // modify descriptors in render graph node compute
-  //    compute->ModifyWriteDescImageComputeResource (SHGraphicsConstants::DescriptorSetBindings::SHADOW_MAP_IMAGE_SAMPLER_DATA, shadowMapImageSamplers);
-  //  }
-  //}
-
   Handle<SHVkDescriptorSetGroup> SHLightingSubSystem::GetLightDataDescriptorSet(void) const noexcept
   {
     return lightingDataDescSet;

SHADE_Engine/src/Graphics/MiddleEnd/Lights/SHLightingSubSystem.h

@@ -9,6 +9,7 @@
 #include "Graphics/MiddleEnd/Interface/SHGraphicsConstants.h"
 #include "Graphics/RenderGraph/SHRenderGraphResource.h"
 #include "ECS_Base/SHECSMacros.h"
+#include <stack>
 
 
 namespace SHADE
@@ -28,6 +29,9 @@ namespace SHADE
   // Represents how the data will be interpreted in GPU. we want to copy to a container of these before passing to GPU.
   struct SHDirectionalLightData 
   {
+    //! Direction of the light
+    SHVec4 directionWorld;
+
     //! Direction of the light
     SHVec3 direction;
 
@@ -180,10 +184,6 @@ namespace SHADE
     //! Shadow maps for every light that casts a shadow Order here doesn't matter. We just want to store it 
     std::vector<Handle<SHRenderGraphResource>>                                           shadowMaps;
 
-    //! Descriptor sets required to be given to the compute shader for shadow calculation. This will be a descriptor array.
-    //! It will also be preallocated. 
-    //Handle<SHVkDescriptorSetGroup>                                                       shadowMapDescriptorSet;
-
     //! Combined image samplers for the texture descriptors
     std::vector<std::tuple<Handle<SHVkImageView>, Handle<SHVkSampler>, vk::ImageLayout>> shadowMapImageSamplers;
 
@@ -191,6 +191,9 @@ namespace SHADE
     //! to VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL) 
     std::vector<vk::ImageMemoryBarrier>                                                  shadowMapMemoryBarriers;
 
+    //! recycled indices after deleting lights with shadows
+    std::stack<uint32_t>                                                                 recyclableIndices;
+
     //! Resource hub from Graphics System
     SHResourceHub*                                                                       resourceHub;
     
@@ -209,12 +212,14 @@ namespace SHADE
     /*-----------------------------------------------------------------------*/
     /* PUBLIC MEMBER FUNCTIONS                                               */
     /*-----------------------------------------------------------------------*/
-    void Init                     (Handle<SHVkLogicalDevice> device, Handle<SHVkDescriptorPool> descPool, SHResourceHub* rh, Handle<SHVkSampler> inShadowMapSampler) noexcept;
-    void Run                      (SHMatrix const& viewMat, uint32_t frameIndex) noexcept;
-    void Exit                     (void) noexcept;
-    void BindDescSet              (Handle<SHVkCommandBuffer> cmdBuffer, uint32_t setIndex, uint32_t frameIndex) noexcept;
-    uint32_t AddShadowMap         (Handle<SHRenderGraphResource> newShadowMap, EntityID lightEntity) noexcept;
-    void PrepareShadowMapsForRead (Handle<SHVkCommandBuffer> cmdBuffer) noexcept;
+    void     Init                     (Handle<SHVkLogicalDevice> device, Handle<SHVkDescriptorPool> descPool, SHResourceHub* rh, Handle<SHVkSampler> inShadowMapSampler) noexcept;
+    void     Run                      (SHMatrix const& viewMat, uint32_t frameIndex) noexcept;
+    void     Exit                     (void) noexcept;
+    void     BindDescSet              (Handle<SHVkCommandBuffer> cmdBuffer, uint32_t setIndex, uint32_t frameIndex) noexcept;
+    uint32_t AddShadowMap             (Handle<SHRenderGraphResource> newShadowMapBlurred, EntityID lightEntity) noexcept;
+    void     RemoveShadowMap          (EntityID lightEntity) noexcept;
+    void     RecycleShadowMapIndex    (SHLightComponent* lightComp) noexcept;
+    void     PrepareShadowMapsForRead (Handle<SHVkCommandBuffer> cmdBuffer) noexcept;
     //void HandleResize             (Handle<SHRenderGraphNodeCompute> compute) noexcept;
     //void RemoveShadowMap (uint32_t index) noexcept;
 

SHADE_Engine/src/Graphics/RenderGraph/SHRenderGraph.cpp

@@ -81,7 +81,8 @@ namespace SHADE
 
     renderGraphStorage->logicalDevice->WaitIdle();
 
-    uint64_t handleID = renderGraphStorage->graphResources->at (resourceName).GetId().Raw;
+    auto resourceHdl = renderGraphStorage->graphResources->at(resourceName);
+    uint64_t handleID = resourceHdl.GetId().Raw;
 
     // Record nodes that will be affected
     std::vector<uint32_t> affectedNodes{};
@@ -89,7 +90,7 @@ namespace SHADE
     // Detach resource from all nodes if applicable
     for (uint32_t i = 0; i < nodes.size(); ++i)
     {
-    	if (nodes[i]->DetachResource(resourceName, handleID))
+    	if (nodes[i] && nodes[i]->DetachResource(resourceName, handleID))
         affectedNodes.emplace_back(i);
     }
 
@@ -109,6 +110,8 @@ namespace SHADE
 
     renderGraphStorage->graphResources->at(resourceName).Free();
     renderGraphStorage->graphResources->erase (resourceName);
+
+    resourceHdl.Free ();
     /*
      * IMPORTANT NOTES
      * 
@@ -121,6 +124,21 @@ namespace SHADE
      */
   }
 
+  void SHRenderGraph::RemoveNode(std::string nodeName) noexcept
+  {
+    if (nodeIndexing.contains(nodeName))
+    {
+      // wait for device to stop
+      renderGraphStorage->logicalDevice->WaitIdle();
+
+      // Get handle to node since it exists
+      auto nodeHdl = nodes[nodeIndexing[nodeName]];
+
+      nodeHdl.Free();
+      nodeIndexing.erase(nodeName);
+    }
+  }
+
   void SHRenderGraph::LinkNonOwningResource(Handle<SHRenderGraph> resourceOrigin, std::string resourceName) noexcept
   {
     // resource to link
@@ -479,7 +497,7 @@ namespace SHADE
     // get target node
     auto targetNode = nodes.begin() + nodeIndexing.at(nodeToAddAfter);
 
-    auto node = nodes.insert(targetNode, renderGraphStorage->resourceHub->Create<SHRenderGraphNode>(nodeName, renderGraphStorage, std::move(descInitParams), std::vector<Handle<SHRenderGraphNode>>()));
+    auto node = nodes.insert(targetNode, renderGraphStorage->resourceHub->Create<SHRenderGraphNode>(nodeName, renderGraphStorage, std::move(descInitParams), std::vector<Handle<SHRenderGraphNode>>(), true));
     ReindexNodes ();
     return *node;
 
@@ -583,6 +601,10 @@ namespace SHADE
     
     for (auto& node : nodes)
     {
+      // if node is dynamic check for active flag
+      if ((node->isDynamic) ? !node->dynamicIsActive : false)
+        continue;
+
       if (node->renderpass)
       {
         // bind static global data 

SHADE_Engine/src/Graphics/RenderGraph/SHRenderGraph.h

@@ -112,6 +112,7 @@ namespace SHADE
                               );
 
     void                      RemoveResource (std::string resourceName) noexcept;
+    void                      RemoveNode     (std::string nodeName) noexcept;
 
     void                      LinkNonOwningResource 
                               (

SHADE_Engine/src/Graphics/RenderGraph/SHRenderGraphNode.cpp

@@ -292,7 +292,7 @@ namespace SHADE
 
   */
   /***************************************************************************/
-  SHRenderGraphNode::SHRenderGraphNode(std::string nodeName, Handle<SHRenderGraphStorage> renderGraphStorage, std::vector<SHAttachmentDescInitParams> attDescInitParams, std::vector<Handle<SHRenderGraphNode>> predecessors) noexcept
+  SHRenderGraphNode::SHRenderGraphNode(std::string nodeName, Handle<SHRenderGraphStorage> renderGraphStorage, std::vector<SHAttachmentDescInitParams> attDescInitParams, std::vector<Handle<SHRenderGraphNode>> predecessors, bool inIsDynamic) noexcept
     : graphStorage{ renderGraphStorage}
     , renderpass{}
     , framebuffers{}
@@ -305,6 +305,8 @@ namespace SHADE
     , configured{ false }
     , nodeComputes{}
     , name { std::move(nodeName) }
+    , dynamicIsActive {true} // default set to true
+    , isDynamic{inIsDynamic}
   {
     // pipeline library initialization
     pipelineLibrary.Init(graphStorage->logicalDevice);
@@ -368,6 +370,8 @@ namespace SHADE
     , nodeComputes{ std::move(rhs.nodeComputes) }
     , name { std::move(rhs.name) }
     , ISelfHandle<SHRenderGraphNode>{std::move(rhs)}
+    , dynamicIsActive {rhs.dynamicIsActive}
+    , isDynamic {rhs.isDynamic}
 
   {
     rhs.renderpass = {};
@@ -393,12 +397,30 @@ namespace SHADE
     spDeps = std::move(rhs.spDeps);
     nodeComputes = std::move(rhs.nodeComputes);
     name = std::move(rhs.name);
+    dynamicIsActive = rhs.dynamicIsActive;
+    isDynamic = rhs.isDynamic;
 
     rhs.renderpass = {};
 
     return *this;
   }
 
+  SHRenderGraphNode::~SHRenderGraphNode(void) noexcept
+  {
+    if (renderpass)
+      renderpass.Free();
+
+    for (auto& framebuffer : framebuffers)
+    	framebuffer.Free();
+
+    for (auto& subpass : subpasses)
+    	subpass.Free();
+
+    // Too tired to test, its nearing end of milestone 3....
+    //for (auto& nc : nodeComputes)
+    //	nc.Free();
+  }
+
   /***************************************************************************/
   /*!
 
@@ -798,12 +820,18 @@ namespace SHADE
   /***************************************************************************/
   void SHRenderGraphNode::RuntimeStandaloneRegenerate(void) noexcept
   {
+    AddDummySubpassIfNeeded();
     StandaloneConfigureAttDesc(false);
     ConfigureSubpasses();
     CreateRenderpass();
     CreateFramebuffer();
   }
 
+  void SHRenderGraphNode::SetDynamicActive(bool active) noexcept
+  {
+    dynamicIsActive = active;
+  }
+
   /***************************************************************************/
   /*!
 
@@ -849,4 +877,9 @@ namespace SHADE
     return {};
   }
 
+  bool SHRenderGraphNode::GetDynamicActive(void) const noexcept
+  {
+    return dynamicIsActive;
+  }
+
 }

SHADE_Engine/src/Graphics/RenderGraph/SHRenderGraphNode.h

@@ -80,6 +80,13 @@ namespace SHADE
     //! Whether or not the node has been configured already or not
     bool configured;
 
+    //! Whether or not the rendergraph should be executed. Should ONLY be used for dynamic
+    //! nodes that are independent from other nodes.
+    bool dynamicIsActive;
+
+    //! True if the function is dynamic
+    bool isDynamic;
+
     //! Manages batching for this RenderPass
     SHBatcher batcher;
 
@@ -101,9 +108,10 @@ namespace SHADE
     /*-----------------------------------------------------------------------*/
     /* CTORS AND DTORS                                                       */
     /*-----------------------------------------------------------------------*/
-    SHRenderGraphNode(std::string nodeName, Handle<SHRenderGraphStorage> renderGraphStorage, std::vector<SHAttachmentDescInitParams> attDescInitParams, std::vector<Handle<SHRenderGraphNode>> predecessors) noexcept;
+    SHRenderGraphNode(std::string nodeName, Handle<SHRenderGraphStorage> renderGraphStorage, std::vector<SHAttachmentDescInitParams> attDescInitParams, std::vector<Handle<SHRenderGraphNode>> predecessors, bool inIsDynamic = false) noexcept;
     SHRenderGraphNode(SHRenderGraphNode&& rhs) noexcept;
     SHRenderGraphNode& operator= (SHRenderGraphNode&& rhs) noexcept;
+    ~SHRenderGraphNode (void) noexcept;
 
     /*-----------------------------------------------------------------------*/
     /* PUBLIC MEMBER FUNCTIONS                                               */
@@ -123,11 +131,15 @@ namespace SHADE
     /*-----------------------------------------------------------------------*/
     /* SETTERS AND GETTERS                                                   */
     /*-----------------------------------------------------------------------*/
-    Handle<SHVkRenderpass> GetRenderpass(void) const noexcept;
-    Handle<SHSubpass> GetSubpass(std::string_view subpassName) const noexcept;
-    Handle<SHRenderGraphResource> GetResource (uint32_t resourceIndex) const noexcept;
+    void SetDynamicActive(bool active) noexcept;
+
+    Handle<SHVkRenderpass>                            GetRenderpass(void) const noexcept;
+    Handle<SHSubpass>                                 GetSubpass(std::string_view subpassName) const noexcept;
+    Handle<SHRenderGraphResource>                     GetResource (uint32_t resourceIndex) const noexcept;
     std::vector<Handle<SHRenderGraphResource>> const& GetResources (void) const noexcept;
-    Handle<SHRenderGraphNodeCompute> GetNodeCompute (std::string nodeComputeName) const noexcept;
+    Handle<SHRenderGraphNodeCompute>                  GetNodeCompute (std::string nodeComputeName) const noexcept;
+    bool                                              GetDynamicActive (void) const noexcept;
+
     friend class SHRenderGraph;
   };
 

SHADE_Engine/src/Graphics/RenderGraph/SHSubpass.cpp

@@ -77,9 +77,17 @@ namespace SHADE
     , name { rhs.name }
     , viewport {rhs.viewport}
     , renderer {rhs.renderer}
-    , companionSubpass {rhs.companionSubpass}
+    , companionSubpasses {std::move (rhs.companionSubpasses)}
     , dummyPipelineLayout{rhs.dummyPipelineLayout}
   {
+    superBatch = std::move(rhs.superBatch);
+    rhs.superBatch = {};
+
+    inputDescriptorLayout = std::move(rhs.inputDescriptorLayout);
+    rhs.inputDescriptorLayout = {};
+
+    dummyPipelineLayout = std::move(rhs.dummyPipelineLayout);
+    rhs.dummyPipelineLayout = {};
 
   }
 
@@ -101,7 +109,6 @@ namespace SHADE
 
     subpassIndex = std::move(rhs.subpassIndex);
     parentNode = std::move(rhs.parentNode);
-    superBatch = std::move(rhs.superBatch);
     colorReferences = std::move(rhs.colorReferences);
     depthReferences = std::move(rhs.depthReferences);
     inputReferences = std::move(rhs.inputReferences);
@@ -115,13 +122,39 @@ namespace SHADE
     name = std::move(rhs.name);
     renderer = rhs.renderer;
     viewport = rhs.viewport;
-    companionSubpass = rhs.companionSubpass;
+    companionSubpasses = rhs.companionSubpasses;
     dummyPipelineLayout = rhs.dummyPipelineLayout;
 
+    superBatch = std::move(rhs.superBatch);
+    rhs.superBatch = {};
+
+    inputDescriptorLayout = std::move(rhs.inputDescriptorLayout);
+    rhs.inputDescriptorLayout = {};
+
+    dummyPipelineLayout = std::move(rhs.dummyPipelineLayout);
+    rhs.dummyPipelineLayout = {};
 
     return *this;
   }
 
+  SHSubpass::~SHSubpass(void) noexcept
+  {
+    graphStorage->logicalDevice->WaitIdle();
+
+    for (auto& set : inputImageDescriptorSets)
+      set.Free();
+
+    if (inputDescriptorLayout)
+      inputDescriptorLayout.Free();
+
+    if (dummyPipelineLayout)
+      dummyPipelineLayout.Free();
+
+    // not working
+    //if (superBatch)
+    //  superBatch.Free();
+  }
+
   /***************************************************************************/
   /*!
 
@@ -237,17 +270,19 @@ namespace SHADE
 
       BindInputDescriptorSets (commandBuffer, descMappings.at(SHPredefinedDescriptorTypes::RENDER_GRAPH_RESOURCE), frameIndex);
 
-      // If companion subpass is not a valid handle, render super batch normally
-      if (!companionSubpass.companion)
+      if (companionSubpasses.empty())
       {
         // Draw all the batches
         superBatch->Draw(commandBuffer, frameIndex);
       }
       else
       {
-        // if not bind pipeline for companion and and execute draw command
-        commandBuffer->BindPipeline(companionSubpass.pipeline);
-        companionSubpass.companion->superBatch->Draw(commandBuffer, frameIndex, false);
+        for (auto& companion : companionSubpasses)
+        {
+          // if not bind pipeline for companion and and execute draw command
+          commandBuffer->BindPipeline(companion.pipeline);
+          companion.subpass->superBatch->Draw(commandBuffer, frameIndex, false);
+        }
       }
     }
 
@@ -493,10 +528,11 @@ namespace SHADE
     subpassIndex = index;
   }
 
-  void SHSubpass::SetCompanionSubpass(Handle<SHSubpass> companion, Handle<SHVkPipeline> pipeline) noexcept
+  void SHSubpass::AddCompanionSubpass(Handle<SHSubpass> companion, Handle<SHVkPipeline> pipeline) noexcept
   {
-    companionSubpass.companion = companion;
-    companionSubpass.pipeline = pipeline;
+    companionSubpasses.push_back(CompanionSubpass{companion, pipeline});
+    //companionSubpass.companion = companion;
+    //companionSubpass.pipeline = pipeline;
   }
 
   /***************************************************************************/

SHADE_Engine/src/Graphics/RenderGraph/SHSubpass.h

@@ -33,7 +33,7 @@ namespace SHADE
     struct CompanionSubpass
     {
       // subpass whose data will be borrowed to draw
-      Handle<SHSubpass> companion;
+      Handle<SHSubpass> subpass;
 
       // Pipeline that will be used for all the draw calls from all batches of the companion subpass
       Handle<SHVkPipeline> pipeline;
@@ -114,7 +114,8 @@ namespace SHADE
 
     //! Optional component to a companion subpass. If the subpass handle of this object 
     //! is valid, the subpass will be drawn using this companion's data.
-    CompanionSubpass companionSubpass;
+    //CompanionSubpass companionSubpass;
+    std::vector<CompanionSubpass> companionSubpasses;
 
   private:
     /*-----------------------------------------------------------------------*/
@@ -129,6 +130,7 @@ namespace SHADE
     SHSubpass(const std::string& name, Handle<SHViewport> inViewport, Handle<SHRenderer> inRenderer, Handle<SHRenderGraphStorage> renderGraphStorage, Handle<SHRenderGraphNode> const& parent, uint32_t index, std::unordered_map<uint64_t, uint32_t> const* mapping) noexcept;
     SHSubpass(SHSubpass&& rhs) noexcept;
     SHSubpass& operator=(SHSubpass&& rhs) noexcept;
+    ~SHSubpass(void) noexcept;
 
     /*-----------------------------------------------------------------------*/
     /* PUBLIC MEMBER FUNCTIONS                                               */
@@ -165,7 +167,7 @@ namespace SHADE
     /*-----------------------------------------------------------------------*/
     /* PUBLIC SETTERS AND GETTERS                                            */
     /*-----------------------------------------------------------------------*/
-    void SetCompanionSubpass (Handle<SHSubpass> companion, Handle<SHVkPipeline> pipeline) noexcept;
+    void AddCompanionSubpass (Handle<SHSubpass> companion, Handle<SHVkPipeline> pipeline) noexcept;
 
     Handle<SHRenderGraphNode>                   GetParentNode(void) const noexcept;
     SHSubPassIndex                              GetIndex() const noexcept;

SHADE_Engine/src/Physics/Interface/SHRigidBodyComponent.cpp

@@ -34,6 +34,7 @@ namespace SHADE
   , flags       { 0 }
   , drag        { 0.01f }
   , angularDrag { 0.1f }
+  , gravityScale{ 1.0f }
   , rigidBody   { nullptr }
   {
     // Default flags