Engine puzzle completed

include/Engine/Rendering/RenderQueue.h

@@ -0,0 +1,177 @@
+#ifndef RenderQueue_h__
+#define RenderQueue_h__
+
+#include <cstdint>
+#include <forward_list>
+
+#include "../Common.h"
+#include "../GLM.h"
+#include "../Core/Util/Rectangle.h"
+
+class Model;
+class Skeleton;
+class Texture;
+class RenderQueue;
+
+struct RenderJob
+{
+	friend class RenderQueue;
+
+	float Depth;
+
+protected:
+	uint64_t Hash;
+
+	virtual void CalculateHash() = 0;
+
+	bool operator<(const RenderJob& rhs)
+	{
+		return this->Hash < rhs.Hash;
+	}
+};
+
+struct ModelJob : RenderJob
+{
+	unsigned int ShaderID = 0;
+	unsigned int TextureID = 0;
+
+	glm::mat4 ModelMatrix;
+	const Texture* DiffuseTexture;
+	const Texture* NormalTexture;
+	const Texture* SpecularTexture;
+	float Shininess = 0.f;
+	glm::vec4 Color;
+	const Model* Model = nullptr;
+	unsigned int StartIndex = 0;
+	unsigned int EndIndex = 0;
+
+	// Animation
+	Skeleton* Skeleton = nullptr;
+	bool NoRootMotion = true;
+	std::string AnimationName;
+	double AnimationTime = 0;
+
+	void CalculateHash() override
+	{
+		Hash = TextureID;
+	}
+};
+
+struct SpriteJob : RenderJob
+{
+	unsigned int ShaderID = 0;
+	unsigned int TextureID = 0;
+
+	glm::mat4 ModelMatrix;
+	const Texture* DiffuseTexture = nullptr;
+	const Texture* NormalTexture = nullptr;
+	const Texture* SpecularTexture = nullptr;
+	glm::vec4 Color;
+
+	void CalculateHash() override
+	{
+		Hash = TextureID;
+	}
+};
+
+struct PointLightJob : RenderJob
+{
+	glm::vec3 Position;
+	glm::vec3 SpecularColor = glm::vec3(1, 1, 1);
+	glm::vec3 DiffuseColor = glm::vec3(1, 1, 1);
+	float Radius = 1.f;
+
+	void CalculateHash() override
+	{
+		Hash = 0;
+	}
+};
+
+struct FrameJob : SpriteJob
+{
+	Rectangle Scissor;
+	Rectangle Viewport;
+	std::string Name;
+
+	void CalculateHash() override
+	{
+		Hash = 0;
+	}
+};
+
+struct WaterParticleJob : RenderJob
+{
+	glm::vec3 Position;
+	glm::vec4 Color;
+	glm::mat4 ModelMatrix;
+
+	void CalculateHash() override
+	{
+		Hash = 0;
+	}
+};
+
+class RenderQueue
+{
+public:
+	template <typename T>
+	void Add(T &job)
+	{
+		job.CalculateHash();
+		Jobs.push_back(std::shared_ptr<T>(new T(job)));
+		m_Size++;
+	}
+
+	void Sort()
+	{
+		Jobs.sort();
+	}
+
+	void Clear()
+	{
+		Jobs.clear();
+		m_Size = 0;
+	}
+
+	int Size() const { return m_Size; }
+	std::list<std::shared_ptr<RenderJob>>::const_iterator begin()
+	{
+		return Jobs.begin();
+	}
+
+	std::list<std::shared_ptr<RenderJob>>::const_iterator end()
+	{
+		return Jobs.end();
+	}
+
+	std::list<std::shared_ptr<RenderJob>> Jobs;
+
+private:
+	int m_Size = 0;
+};
+
+struct RenderQueueCollection
+{
+	RenderQueue Deferred;
+	RenderQueue Forward;
+	RenderQueue Lights;
+	RenderQueue GUI;
+
+	void Clear()
+	{
+		Deferred.Clear();
+		Forward.Clear();
+		Lights.Clear();
+		GUI.Clear();
+	}
+
+	void Sort()
+	{
+		Deferred.Sort();
+		Forward.Sort();
+		Lights.Sort();
+		GUI.Sort();
+	}
+};
+
+#endif