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126 lines
4.6 KiB
C++
126 lines
4.6 KiB
C++
#ifndef CDRAWUTIL
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#define CDRAWUTIL
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#include "Core/OpenGL/CVertexBuffer.h"
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#include "Core/OpenGL/CDynamicVertexBuffer.h"
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#include "Core/OpenGL/CIndexBuffer.h"
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#include "Core/Resource/Model/CModel.h"
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#include "Core/Resource/CLight.h"
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#include <array>
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#include <optional>
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/**
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* @todo there are a LOT of problems with how this is implemented; trying to
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* use CDrawUtil in a lot of places in the codebase just plain doesn't work
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* because it goes outside CRenderer to draw stuff, and also it's slow as heck
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* because it issues tons of draw calls instead of batching items together
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* which is a cause of significant performance problems
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*/
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class CDrawUtil
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{
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// 7x7 Grid
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static inline std::optional<CVertexBuffer> mGridVertices;
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static inline CIndexBuffer mGridIndices;
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// Square
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static inline std::optional<CDynamicVertexBuffer> mSquareVertices;
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static inline CIndexBuffer mSquareIndices;
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// Line
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static inline std::optional<CDynamicVertexBuffer> mLineVertices;
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static inline CIndexBuffer mLineIndices;
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// Cube
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static inline TResPtr<CModel> mpCubeModel;
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// Wire Cube
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static inline std::optional<CVertexBuffer> mWireCubeVertices;
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static inline CIndexBuffer mWireCubeIndices;
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// Sphere
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static inline TResPtr<CModel> mpSphereModel;
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static inline TResPtr<CModel> mpDoubleSidedSphereModel;
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// Wire Sphere
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static inline TResPtr<CModel> mpWireSphereModel;
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// Shaders
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static inline std::unique_ptr<CShader> mpColorShader;
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static inline std::unique_ptr<CShader> mpColorShaderLighting;
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static inline std::unique_ptr<CShader> mpBillboardShader;
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static inline std::unique_ptr<CShader> mpLightBillboardShader;
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static inline std::unique_ptr<CShader> mpTextureShader;
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static inline std::unique_ptr<CShader> mpCollisionShader;
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static inline std::unique_ptr<CShader> mpTextShader;
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// Textures
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static inline TResPtr<CTexture> mpCheckerTexture;
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static inline std::array<TResPtr<CTexture>, 4> mpLightTextures;
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static inline std::array<TResPtr<CTexture>, 4> mpLightMasks;
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// Have all the above members been initialized?
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static inline bool mDrawUtilInitialized = false;
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public:
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static void DrawGrid(CColor LineColor, CColor BoldLineColor);
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static void DrawSquare();
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static void DrawSquare(const CVector2f& TexUL, const CVector2f& TexUR, const CVector2f& TexBR, const CVector2f& TexBL);
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static void DrawSquare(const float *pTexCoords);
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static void DrawLine(const CVector3f& PointA, const CVector3f& PointB);
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static void DrawLine(const CVector2f& PointA, const CVector2f& PointB);
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static void DrawLine(const CVector3f& PointA, const CVector3f& PointB, const CColor& LineColor);
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static void DrawLine(const CVector2f& PointA, const CVector2f& PointB, const CColor& LineColor);
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static void DrawCube();
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static void DrawCube(const CColor& Color);
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static void DrawCube(const CVector3f& Position, const CColor& Color);
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static void DrawShadedCube(const CColor& Color);
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static void DrawWireCube();
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static void DrawWireCube(const CAABox& AABox, const CColor& Color);
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static void DrawSphere(bool DoubleSided = false);
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static void DrawSphere(const CColor& Color);
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static void DrawWireSphere(const CVector3f& Position, float Radius, const CColor& Color = CColor::White());
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static void DrawBillboard(CTexture* pTexture, const CVector3f& Position, const CVector2f& Scale = CVector2f::One(), const CColor& Tint = CColor::White());
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static void DrawLightBillboard(ELightType Type, const CColor& LightColor, const CVector3f& Position, const CVector2f& Scale = CVector2f::One(), const CColor& Tint = CColor::White());
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static void UseColorShader(const CColor& Color);
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static void UseColorShaderLighting(const CColor& Color);
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static void UseTextureShader();
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static void UseTextureShader(const CColor& TintColor);
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static void UseCollisionShader(bool IsFloor, bool IsUnstandable, const CColor& TintColor = CColor::White());
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static CShader* GetTextShader();
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static void LoadCheckerboardTexture(uint32 GLTextureUnit);
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static CTexture* GetLightTexture(ELightType Type);
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static CTexture* GetLightMask(ELightType Type);
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static CModel* GetCubeModel();
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private:
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CDrawUtil(); // Private constructor to prevent class from being instantiated
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static void Init();
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static void InitGrid();
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static void InitSquare();
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static void InitLine();
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static void InitCube();
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static void InitWireCube();
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static void InitSphere();
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static void InitWireSphere();
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static void InitShaders();
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static void InitTextures();
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public:
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static void Shutdown();
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};
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#endif // CDRAWUTIL
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