DragonEngine/ModuleRender.h at master · Dartemiss/DragonEngine · GitHub

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#ifndef __ModuleRender_H__
#define __ModuleRender_H__

#include "Module.h"
#include "Globals.h"
#include "MathGeoLib/Math/float4x4.h"
#include "MathGeoLib/Math/float3x3.h"
#include "ComponentCamera.h"
#include "GL/glew.h"
#include "ImGuizmo/ImGuizmo.h"
#include "Timer.h"
#include <vector>
#include <set>

struct SDL_Texture;
struct SDL_Renderer;
struct SDL_Rect;

class Skybox;

class ModuleRender : public Module
{
public:
	ModuleRender() = default;
	~ModuleRender() = default;

	bool Init();
	update_status PreUpdate();
	update_status Update();
	update_status PostUpdate();
	bool CleanUp();


	//Touch render variables
	void EnableFaceCulling() const;
	void EnableDepthTest() const;
	void ChangeFrontFace() const;
	void EnableTexture2D() const;
	void FillTriangles() const;
	void EnableAlphaTest() const;

	bool faceCullingIsActive = true;
	bool dephtTestIsActive = true;
	bool changingFrontFace = true;
	bool texture2DIsActive = true;
	bool fillTrianglesIsActive = true;
	bool alphaTestIsActive = false;

	float aspect = 1.0f;

	bool showBoundingBox = true;
	bool showSkybox = false;

	//Frustum Culling
	bool frustumCullingIsActivated = false;


	//Debug
	//void OurOpenGLErrorFunction(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar* message, const void* userParam);
	//Draw
	void DrawGuizmo() const;
	void DrawAllGameObjects() const;
	void DrawGame() const;

	//If scene create buffer for scene else create buffer for game window
	void CreateFrameBuffer(int width, int height, bool scene = true);
	void GenerateTexture(int width, int height);
	void GenerateTextureGame(int width, int height);

	//Quadtree variables
	bool showQuadTree = false;
	bool showAABBTree = false;
	bool showFrustum = true;
	bool showGrid = false;
	bool antialiasing = false;

	//Windows size
	int heightScene, widthScene;
	int heightGame, widthGame;

	bool firstTimeCreatingBuffer = true;

	void Pick() const;
	void DrawGuizmoButtons() const;

	ImGuizmo::OPERATION currentOperation = ImGuizmo::TRANSLATE;
	ImGuizmo::MODE currentMode = ImGuizmo::WORLD;

	bool isGamePlaying = false;

	ComponentCamera* gameCamera = nullptr;

	//Skybox
	Skybox* skybox = nullptr;
	float timeForRendering = 0.0f;

	bool showBothSceneGame = false;


private:
	void* context;

	Timer* timeRender = nullptr;
	int height = 0;
	int width = 0;

	unsigned int vbo;
	unsigned int index;

	//Framebuffer windows variables
	unsigned int frameBufferObject = 0; // FBO
	unsigned int renderBufferObject = 0; // RBO

	//Framebuffer windows variables
	unsigned int frameBufferObjectGame = 0; // FBO
	unsigned int renderBufferObjectGame = 0; // RBO

	unsigned int multiSampledAntiAliasingDepth = 0; //MSAAD
	unsigned int multiSampledAntiAliasingColor = 0; //MSAAC

	unsigned int sceneTexture = 0;
	unsigned int gameTexture = 0;


	//Methods
	void DrawDebug() const;
	void DrawSceneBuffer();
	void DrawGameBuffer();


};

#endif __ModuleRender_H__