Solved bugs with shadows

Switching a scene causes a crash from shadows.

Assets/Scenes/Level2.shade

@@ -45,14 +45,14 @@
   NumberOfChildren: 0
   Components:
     Transform Component:
-      Translate: {x: 0.242245644, y: 1.56757355, z: -6.07086945}
+      Translate: {x: 0.236000001, y: 1.56757355, z: -6.07086945}
       Rotate: {x: -0, y: 0, z: -0}
       Scale: {x: 1, y: 1, z: 1}
       IsActive: true
     Light Component:
       Position: {x: 2, y: 1.5, z: -5.5999999}
       Type: Directional
-      Direction: {x: 0, y: 0, z: -1}
+      Direction: {x: -0.0780000016, y: 0.159999996, z: -1}
       Color: {x: 0, y: 0, z: 0, w: 1}
       Layer: 4294967295
       Strength: 1

Assets/Shaders/DeferredComposite_CS.glsl

@@ -73,9 +73,12 @@ float CalcShadowValue (sampler2D shadowMap, vec4 worldSpaceFragPos, mat4 lightPV
 
   float worldNormalDotLight = dot (normalize (worldNormal), normalize(lightDir));
   
-  if (worldNormalDotLight < 0.0f)
+  if (worldNormalDotLight <= 0.0f)
     return 0.7f;
 
+  // if (worldNormalDotLight <= 0.01f)
+  //   return 0.7f;
+
   if (fragPosLightPOV.z > moments.x && fragPosLightPOV.w > 0.0f)
   {
     float p = step (fragPosLightPOV.z, moments.x);
@@ -94,6 +97,7 @@ float CalcShadowValue (sampler2D shadowMap, vec4 worldSpaceFragPos, mat4 lightPV
     return 0.0f;
   }
 
+  // return min (worldNormalDotLight + 0.7f, 1.0f);
   return 1.0f;
 
 }

Assets/Shaders/ShinyHighlight_FS.glsl

@@ -77,7 +77,7 @@ void main()
   worldSpacePosition = In.worldPos;
 
   outEntityID = In2.eid;
-  lightLayerIndices = uvec4 (In2.lightLayerIndex, 0, 0, 1);
+  lightLayerIndices = uvec4 (In2.lightLayerIndex, packHalf2x16 (In.worldNormal.xy), packHalf2x16 (vec2 (In.worldNormal.z, 1.0f)), 1);
 
   // float vpHeight = float (In2.screenSpacePos.y) - MatProp.data[In2.materialIndex].highlightPosition;
   // bring the frame of reference to the object's screen space pos 

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

@@ -865,32 +865,30 @@ namespace SHADE
     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);
+    // we need to wait for the device to finish using the graph first
+    device->WaitIdle();
+
 
     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
+        Handle<SHSubpass> gBufferWriteSubpass = renderGraph->GetNode(SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_PASS.data())->GetSubpass(SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_WRITE_SUBPASS);
-        device->WaitIdle();
+        Handle<SHSubpass> gBufferWriteVfxSubpass = renderGraph->GetNode(SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_PASS.data())->GetSubpass(SHGraphicsConstants::RenderGraphEntityNames::GBUFFER_WRITE_VFX_SUBPASS);
+
 
         // 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());
 
@@ -929,6 +927,10 @@ namespace SHADE
         // 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);
 
+        // assign shadow map index to light component
+        lightComp->SetShadowMapIndex(NEW_SHADOW_MAP_INDEX);
+
+
         // 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);
@@ -964,12 +966,12 @@ namespace SHADE
       std::string       shadowMapBlurredResourceName = "ShadowMap Blurred" + std::to_string(EVENT_DATA->lightEntity);
 
       // Remove render graph node
-      //renderGraph->RemoveNode(SHGraphicsConstants::RenderGraphEntityNames::SHADOW_MAP_PASS.data() + shadowMapResourceName);
+      renderGraph->RemoveNode(SHGraphicsConstants::RenderGraphEntityNames::SHADOW_MAP_PASS.data() + shadowMapResourceName);
 
       // Remove render graph resource
-      //renderGraph->RemoveResource(depthResourceName);
+      renderGraph->RemoveResource(depthResourceName);
-      //renderGraph->RemoveResource(shadowMapResourceName);
+      renderGraph->RemoveResource(shadowMapResourceName);
-      //renderGraph->RemoveResource(shadowMapBlurredResourceName);
+      renderGraph->RemoveResource(shadowMapBlurredResourceName);
 
       // Register light component shadow map index into light system as recyclable 
       lightingSubSystem->RemoveShadowMap (EVENT_DATA->lightEntity);

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

@@ -62,15 +62,13 @@ namespace SHADE
       // write view projection matrix if renderer is available
       auto lightRenderer = lightComp->GetRenderer();
       if (lightRenderer)
-      {
         lightPtr->pvMatrix = lightRenderer->GetCPUCameraData().viewProjectionMatrix;
 
-        // Boolean to cast shadows in first 8 bits (1 byte)
+      // Boolean to cast shadows in first 8 bits (1 byte)
-        lightPtr->shadowData = lightData.castShadows;
+      lightPtr->shadowData = lightData.castShadows;
         
-        // Next 24 bits for shadow map index
+      // Next 24 bits for shadow map index
-        lightPtr->shadowData |= (lightData.shadowMapIndex << 8);
+      lightPtr->shadowData |= (lightData.shadowMapIndex << 8);
-      }
       break;
     }
     case SH_LIGHT_TYPE::POINT:

SHADE_Engine/src/Graphics/RenderGraph/SHRenderGraph.cpp

@@ -111,7 +111,6 @@ namespace SHADE
     renderGraphStorage->graphResources->at(resourceName).Free();
     renderGraphStorage->graphResources->erase (resourceName);
 
-    resourceHdl.Free ();
     /*
      * IMPORTANT NOTES
      * 
@@ -134,8 +133,11 @@ namespace SHADE
       // Get handle to node since it exists
       auto nodeHdl = nodes[nodeIndexing[nodeName]];
 
+      nodes.erase(nodes.begin() + nodeIndexing[nodeName]);
+
       nodeHdl.Free();
-      nodeIndexing.erase(nodeName);
+
+      ReindexNodes();
     }
   }