Merge pull request #156 from SHADE-DP/SP3-141-Camera-System

Sp3 141 camera system
Added C# interface for Camera and Camera Arm
Added Time.DeltaTimeF and Input.GetMouseVelocity to C# interface
Added ThirdPersonCamera and Camera Control scripts
Added a GetForward function to Camera C# interface. This gets the forward of the last calculated view Matrix.

SHADE_Managed/src/Components/Camera.cxx

@@ -0,0 +1,127 @@
+#include "SHpch.h"
+
+#include "Camera.hxx"
+#include "ECS_Base/Managers/SHSystemManager.h"
+#include "Camera/SHCameraSystem.h"
+
+
+namespace SHADE
+{
+	Camera::Camera(Entity entity)
+		:Component(entity)
+	{
+
+	}
+
+
+	float Camera::Pitch::get()
+	{
+		return (GetNativeComponent()->GetPitch());
+	}
+
+	void Camera::Pitch::set(float val)
+	{
+		GetNativeComponent()->SetPitch(val);
+	}
+	float Camera::Yaw::get()
+	{
+		return (GetNativeComponent()->GetYaw());
+	}
+
+	void Camera::Yaw::set(float val)
+	{
+		GetNativeComponent()->SetYaw(val);
+	}
+	float Camera::Roll::get()
+	{
+		return (GetNativeComponent()->GetRoll());
+	}
+
+	void Camera::Roll::set(float val)
+	{
+		GetNativeComponent()->SetRoll(val);
+	}
+	float Camera::Width::get()
+	{
+		return (GetNativeComponent()->GetWidth());
+	}
+
+	void Camera::Width::set(float val)
+	{
+		GetNativeComponent()->SetWidth(val);
+	}
+	float Camera::Height::get()
+	{
+		return (GetNativeComponent()->GetHeight());
+	}
+
+	void Camera::Height::set(float val)
+	{
+		GetNativeComponent()->SetHeight(val);
+	}
+	float Camera::Near::get()
+	{
+		return (GetNativeComponent()->GetNear());
+	}
+
+	void Camera::Near::set(float val)
+	{
+		GetNativeComponent()->SetNear(val);
+	}
+	float Camera::Far::get()
+	{
+		return (GetNativeComponent()->GetFar());
+	}
+
+	void Camera::Far::set(float val)
+	{
+		GetNativeComponent()->SetFar(val);
+	}
+	float Camera::FOV::get()
+	{
+		return (GetNativeComponent()->GetFOV());
+	}
+
+	void Camera::FOV::set(float val)
+	{
+		GetNativeComponent()->SetFOV(val);
+	}
+
+	Vector3 Camera::Position::get()
+	{
+		return Convert::ToCLI(GetNativeComponent()->GetPosition());
+	}
+
+	void Camera::Position::set(Vector3 val)
+	{
+		GetNativeComponent()->SetPosition(Convert::ToNative(val));
+	}
+
+	void Camera::SetMainCamera(size_t directorIndex)
+	{
+		auto system = SHSystemManager::GetSystem<SHCameraSystem>();
+		system->SetMainCamera(GetNativeComponent()->GetEID(), directorIndex);
+	}
+
+	void Camera::SetMainCamera()
+	{
+		SetMainCamera(0);
+	}
+
+	void Camera::LookAt(Vector3 targetPosition)
+	{
+		auto system = SHSystemManager::GetSystem<SHCameraSystem>();
+		system->CameraLookAt(*GetNativeComponent(), Convert::ToNative(targetPosition));
+	}
+
+	Vector3 Camera::GetForward()
+	{
+		auto system = SHSystemManager::GetSystem<SHCameraSystem>();
+		SHVec3 forward, up, right;
+		system->GetCameraAxis(*GetNativeComponent(), forward, right, up);
+		return Convert::ToCLI(forward);
+		
+	}
+
+
+}

SHADE_Managed/src/Components/Camera.hxx

@@ -0,0 +1,70 @@
+#pragma once
+
+// Project Includes
+#include "Components/Component.hxx"
+#include "Math/Vector3.hxx"
+#include "Math/Quaternion.hxx"
+// External Dependencies
+#include "Camera/SHCameraComponent.h"
+
+namespace SHADE
+{
+	public ref class Camera : public Component<SHCameraComponent>
+	{
+	internal:
+		Camera(Entity entity);
+
+	public:
+		property float Pitch
+		{
+			float get();
+			void set(float val);
+		}
+		property float Yaw
+		{
+			float get();
+			void set(float val);
+		}
+		property float Roll
+		{
+			float get();
+			void set(float val);
+		}
+		property float Width
+		{
+			float get();
+			void set(float val);
+		}
+		property float Height
+		{
+			float get();
+			void set(float val);
+		}
+		property float Near
+		{
+			float get();
+			void set(float val);
+		}
+		property float Far
+		{
+			float get();
+			void set(float val);
+		}
+		property float FOV
+		{
+			float get();
+			void set(float val);
+		}
+		property Vector3 Position
+		{
+			Vector3 get();
+			void set(Vector3 val);
+		}
+
+
+		void SetMainCamera(size_t directorIndex);
+		void SetMainCamera();
+		void LookAt(Vector3 targetPosition);
+		Vector3 GetForward();
+	};
+}

SHADE_Managed/src/Components/CameraArm.cxx

@@ -0,0 +1,51 @@
+#include "SHpch.h"
+#include "CameraArm.hxx"
+
+
+namespace SHADE
+{
+	CameraArm::CameraArm(Entity entity)
+		:Component(entity)
+	{
+
+	}
+
+	float CameraArm::Pitch::get()
+	{
+		return (GetNativeComponent()->GetPitch());
+	}
+
+	void CameraArm::Pitch::set(float val)
+	{
+		GetNativeComponent()->SetPitch(val);
+	}
+	float CameraArm::Yaw::get()
+	{
+		return (GetNativeComponent()->GetYaw());
+	}
+
+	void CameraArm::Yaw::set(float val)
+	{
+		GetNativeComponent()->SetYaw(val);
+	}
+
+	float CameraArm::ArmLength::get()
+	{
+		return (GetNativeComponent()->GetArmLength());
+	}
+
+	void CameraArm::ArmLength::set(float val)
+	{
+		GetNativeComponent()->SetArmLength(val);
+	}
+
+	bool CameraArm::LookAtCameraOrigin::get()
+	{
+		return GetNativeComponent()->lookAtCameraOrigin;
+	}
+
+	void CameraArm::LookAtCameraOrigin::set(bool val)
+	{
+		GetNativeComponent()->lookAtCameraOrigin = val;
+	}
+}

SHADE_Managed/src/Components/CameraArm.hxx

@@ -0,0 +1,40 @@
+#pragma once
+
+// Project Includes
+#include "Components/Component.hxx"
+#include "Math/Vector3.hxx"
+
+// External Dependencies
+#include "Camera/SHCameraArmComponent.h"
+
+
+namespace SHADE
+{
+	public ref class CameraArm : public Component<SHCameraArmComponent>
+	{
+	internal:
+		CameraArm(Entity entity);
+	public:
+		property float Pitch
+		{
+			float get();
+			void set(float val);
+		}
+		property float Yaw
+		{
+			float get();
+			void set(float val);
+		}
+		property float ArmLength
+		{
+			float get();
+			void set(float val);
+		}
+		property bool LookAtCameraOrigin
+		{
+			bool get();
+			void set(bool val);
+		}
+
+	};
+}

SHADE_Managed/src/Engine/ECS.cxx

@@ -33,6 +33,8 @@ of DigiPen Institute of Technology is prohibited.
 #include "Components/Transform.hxx"
 #include "Components\RigidBody.hxx"
 #include "Components\Collider.hxx"
+#include "Components/Camera.hxx"
+#include "Components/CameraArm.hxx"
 
 namespace SHADE
 {
@@ -248,6 +250,8 @@ namespace SHADE
         componentMap.Add(createComponentSet<SHTransformComponent, Transform>());
         componentMap.Add(createComponentSet<SHColliderComponent, Collider>());
         componentMap.Add(createComponentSet<SHRigidBodyComponent, RigidBody>());
+        componentMap.Add(createComponentSet<SHCameraComponent, Camera>());
+        componentMap.Add(createComponentSet<SHCameraArmComponent, CameraArm>());
     }
     
     /*---------------------------------------------------------------------------------*/

SHADE_Managed/src/Engine/Time.cxx

@@ -29,6 +29,12 @@ namespace SHADE
     {
         return SHFrameRateController::GetRawDeltaTime();
     }
+
+
+    float Time::DeltaTimeF::get()
+    {
+      return static_cast<float>(SHFrameRateController::GetRawDeltaTime());
+    }
     double Time::FixedDeltaTime::get()
     {
         return SHPhysicsSystemInterface::GetFixedDT();

SHADE_Managed/src/Engine/Time.hxx

@@ -32,6 +32,16 @@ namespace SHADE
         {
             double get();
         }
+        /*-----------------------------------------------------------------------------*/
+        /* Properties                                                                  */
+        /*-----------------------------------------------------------------------------*/
+        /// <summary>
+        /// Time taken to process the previous frame.
+        /// </summary>
+        static property float DeltaTimeF
+        {
+          float get();
+        }
         /// <summary>
         /// Time taken for Physics simulations. You should use this for operations 
         /// within Script.FixedUpdate()

SHADE_Managed/src/Input/Input.cxx

@@ -99,4 +99,11 @@ namespace SHADE
         return SHInputManager::GetKeyReleasedTime(static_cast<SHInputManager::SH_KEYCODE>(key));
     }
 
+    Vector2 Input::GetMouseVelocity()
+    {
+      double velX, velY;
+      SHInputManager::GetMouseVelocity(&velX, &velY);
+
+      return Convert::ToCLI(SHVec2{ (float)velX,(float)velY });
+    }
 }

SHADE_Managed/src/Input/Input.hxx

@@ -471,5 +471,7 @@ namespace SHADE
         /// <param name="key">The key to check.</param>
         /// <returns>Time in seconds that the key was held.</returns>
         static double GetMouseReleasedTime(MouseCode mouseButton);
+
+        static Vector2 GetMouseVelocity();
     };
 }

TempScriptsFolder/CameraControl.cs

@@ -0,0 +1,22 @@
+using System;
+using SHADE;
+
+namespace SHADE_Scripting
+{
+    public class CameraControl :Script
+    {
+        public float turnSpeed = 0.5f;
+
+        public CameraControl(GameObject go) : base(go) { }
+        protected override void update()
+        {
+            //Camera
+            Camera cam = GetComponent<Camera>();
+            Vector2 mouseVel = Input.GetMouseVelocity();
+
+            cam.Pitch -= mouseVel.y * turnSpeed * (float)Time.DeltaTime;
+            cam.Yaw += mouseVel.x * turnSpeed * (float)Time.DeltaTime;
+
+        }
+    }
+}

TempScriptsFolder/ThirdPersonCamera.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using SHADE;
+
+
+namespace SHADE_Scripting
+{
+    public class ThirdPersonCamera: Script
+    {
+
+        public float armLength = 4.0f;
+        public float turnSpeedPitch = 0.3f;
+        public float turnSpeedYaw = 0.5f;
+        public float pitchClamp = 45.0f;
+        public ThirdPersonCamera(GameObject go) : base(go) { }
+
+        protected override void awake()
+        {
+            if(!GetComponent<Camera>())
+            {
+                AddComponent<Camera>();
+            }
+            if (!GetComponent<CameraArm>())
+            {
+                AddComponent<CameraArm>();
+            }
+            GetComponent<CameraArm>().ArmLength = armLength;
+        }
+
+        protected override void update()
+        {
+            CameraArm arm = GetComponent<CameraArm>();
+            if(arm)
+            {
+                Vector2 vel = Input.GetMouseVelocity();
+                arm.Pitch -= vel.y * turnSpeedPitch * Time.DeltaTimeF;
+                arm.Yaw += vel.x * turnSpeedYaw * Time.DeltaTimeF;
+
+                if(arm.Pitch > pitchClamp)
+                {
+                    arm.Pitch = pitchClamp;
+                }
+                else if(arm.Pitch < -pitchClamp)
+                {
+                    arm.Pitch = -pitchClamp;
+                }
+
+            }
+        }
+
+    }
+}