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LCEMP/Minecraft.Client/Platform_Libs/Dev/Render/Renderer.h

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#pragma once
/*
MIT License
Copyright (c) 2026 Patoke
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include "4J_Render.h"
#include "Profiler.h"
#include <cstdint>
#include <unordered_map>
#include <vector>
#define MATRIX_MODE_MODELVIEW 0
#define MATRIX_MODE_MODELVIEW_PROJECTION 1
#define MATRIX_MODE_MODELVIEW_TEXTURE 2
#define MATRIX_MODE_MODELVIEW_CBUFF 3
#define MATRIX_MODE_MODELVIEW_MAX 4
#define STACK_TYPES 4
#define STACK_SIZE 16
#define MAX_MIP_LEVELS 5
#define MAX_TEXTURES 512
#define NUM_COMMAND_HANDLES 0x800000
#define MAX_COMMAND_BUFFERS 16000
class Renderer
{
public:
struct Context;
struct CommandBuffer;
void UpdateGamma(unsigned short usGamma);
void MatrixMode(int type);
void MatrixSetIdentity();
void MatrixTranslate(float x, float y, float z);
void MatrixRotate(float angle, float x, float y, float z);
void MatrixScale(float x, float y, float z);
void MatrixPerspective(float fovy, float aspect, float zNear, float zFar);
void MatrixOrthogonal(float left, float right, float bottom, float top, float zNear, float zFar);
void MatrixPop();
void MatrixPush();
void MatrixMult(float *mat);
const float *MatrixGet(int type);
void Set_matrixDirty();
void Initialise(ID3D11Device *pDevice, IDXGISwapChain *pSwapChain);
ID3D11DeviceContext *InitialiseContext(bool fromPresent);
void StartFrame();
void DoScreenGrabOnNextPresent();
void Present();
void Clear(int flags, D3D11_RECT *pRect);
void SetClearColour(const float colourRGBA[4]);
bool IsWidescreen();
bool IsHiDef();
void CaptureThumbnail(ImageFileBuffer *pngOut);
void CaptureScreen(ImageFileBuffer *jpgOut, XSOCIAL_PREVIEWIMAGE *previewOut);
void BeginConditionalSurvey(int identifier);
void EndConditionalSurvey();
void BeginConditionalRendering(int identifier);
void EndConditionalRendering();
void DrawVertices(C4JRender::ePrimitiveType PrimitiveType, int count, void *dataIn, C4JRender::eVertexType vType,
C4JRender::ePixelShaderType psType);
void DrawVertexBuffer(C4JRender::ePrimitiveType PrimitiveType, int count, ID3D11Buffer *buffer, C4JRender::eVertexType vType,
C4JRender::ePixelShaderType psType);
void CBuffLockStaticCreations();
int CBuffCreate(int count);
void CBuffDelete(int first, int count);
void CBuffStart(int index, bool full);
void CBuffClear(int index);
int CBuffSize(int index);
void CBuffEnd();
bool CBuffCall(int index, bool full);
void CBuffTick();
void CBuffDeferredModeStart();
void CBuffDeferredModeEnd();
int TextureCreate();
void TextureFree(int idx);
void TextureBind(int idx);
void TextureBindVertex(int idx);
void TextureSetTextureLevels(int levels);
int TextureGetTextureLevels();
void TextureSetParam(int param, int value);
void TextureDynamicUpdateStart();
void TextureDynamicUpdateEnd();
void TextureData(int width, int height, void *data, int level, C4JRender::eTextureFormat format);
void TextureDataUpdate(int xoffset, int yoffset, int width, int height, void *data, int level);
HRESULT LoadTextureData(const char *szFilename, D3DXIMAGE_INFO *pSrcInfo, int **ppDataOut);
HRESULT LoadTextureData(BYTE *pbData, DWORD dwBytes, D3DXIMAGE_INFO *pSrcInfo, int **ppDataOut);
HRESULT SaveTextureData(const char *szFilename, D3DXIMAGE_INFO *pSrcInfo, int *ppDataOut);
HRESULT SaveTextureDataToMemory(void *pOutput, int outputCapacity, int *outputLength, int width, int height, int *ppDataIn);
void TextureGetStats();
ID3D11ShaderResourceView *TextureGetTexture(int idx);
void StateSetColour(float r, float g, float b, float a);
void StateSetDepthMask(bool enable);
void StateSetBlendEnable(bool enable);
void StateSetBlendFunc(int src, int dst);
void StateSetBlendFactor(unsigned int colour);
void StateSetAlphaFunc(int func, float param);
void StateSetDepthFunc(int func);
void StateSetFaceCull(bool enable);
void StateSetFaceCullCW(bool enable);
void StateSetLineWidth(float width);
void StateSetWriteEnable(bool red, bool green, bool blue, bool alpha);
void StateSetDepthTestEnable(bool enable);
void StateSetAlphaTestEnable(bool enable);
void StateSetDepthSlopeAndBias(float slope, float bias);
void StateSetFogEnable(bool enable);
void StateSetFogMode(int mode);
void StateSetFogNearDistance(float dist);
void StateSetFogFarDistance(float dist);
void StateSetFogDensity(float density);
void StateSetFogColour(float red, float green, float blue);
void StateSetLightingEnable(bool enable);
void StateSetVertexTextureUV(float u, float v);
void StateSetLightColour(int light, float red, float green, float blue);
void StateSetLightAmbientColour(float red, float green, float blue);
void StateSetLightDirection(int light, float x, float y, float z);
void StateSetLightEnable(int light, bool enable);
void StateSetViewport(C4JRender::eViewportType viewportType);
void StateSetEnableViewportClipPlanes(bool enable);
void StateSetTexGenCol(int col, float x, float y, float z, float w, bool eyeSpace);
void StateSetStencil(D3D11_COMPARISON_FUNC function, uint8_t stencil_ref, uint8_t stencil_func_mask, uint8_t stencil_write_mask);
void StateSetForceLOD(int LOD);
void BeginEvent(LPCWSTR eventName);
void EndEvent();
void Suspend();
bool Suspended();
void Resume();
void StateUpdate();
private:
void SetupShaders();
void ConvertLinearToPng(ImageFileBuffer *pngOut, unsigned char *linearData, unsigned int width, unsigned int height);
void DrawVertexSetup(C4JRender::eVertexType vType, C4JRender::ePixelShaderType psType, C4JRender::ePrimitiveType primitiveType, int *count,
bool *drawIndexed);
void UpdateTexGenState();
void UpdateLightingState();
void UpdateViewportState();
void UpdateFogState();
void UpdateTextureState(bool vertexSampler);
void MultWithStack(DirectX::XMMATRIX matrix);
ID3D11DepthStencilState *GetManagedDepthStencilState();
ID3D11BlendState *GetManagedBlendState();
ID3D11RasterizerState *GetManagedRasterizerState();
ID3D11SamplerState *GetManagedSamplerState();
void DeleteInternalBuffer(int index);
Renderer::Context &getContext();
public:
struct Texture
{
bool allocated;
ID3D11Texture2D *texture;
ID3D11ShaderResourceView *view;
DWORD textureFlags;
DWORD mipLevels;
DWORD textureFormat;
DWORD samplerParams;
};
struct TexgenCBuffer
{
DirectX::XMMATRIX unk0;
DirectX::XMMATRIX unk1;
};
enum eCommandType
{
COMMAND_ADD_MATRIX,
COMMAND_ADD_VERTICES,
COMMAND_BIND_TEXTURE,
COMMAND_SET_COLOR,
COMMAND_SET_DEPTH_FUNC,
COMMAND_SET_DEPTH_MASK,
COMMAND_SET_DEPTH_TEST,
COMMAND_SET_LIGHTING_ENABLE,
COMMAND_SET_LIGHT_ENABLE,
COMMAND_SET_LIGHT_DIRECTION,
COMMAND_SET_LIGHT_COLOUR,
COMMAND_SET_LIGHT_AMBIENT_COLOUR,
COMMAND_SET_BLEND_ENABLE,
COMMAND_SET_BLEND_FUNC,
COMMAND_SET_BLEND_FACTOR,
COMMAND_SET_FACE_CULL,
};
struct CommandBuffer
{
CommandBuffer(bool full);
~CommandBuffer();
void StartRecording();
void EndRecording(ID3D11Device *device);
std::uint64_t GetAllocated();
bool IsBusy();
void AddMatrix(const float *matrix);
void AddVertices(unsigned int stride, unsigned int count, void *dataIn, Renderer::Context &c);
void BindTexture(int idx);
void SetColor(float r, float g, float b, float a);
void SetDepthFunc(int func);
void SetDepthMask(bool enable);
void SetDepthTestEnable(bool enable);
void SetLightingEnable(bool enable);
void SetLightEnable(int light, bool enable);
void SetLightDirection(int light, float x, float y, float z);
void SetLightColour(int light, float r, float g, float b);
void SetLightAmbientColour(float r, float g, float b);
void SetBlendEnable(bool enable);
void SetBlendFunc(int src, int dst);
void SetBlendFactor(unsigned int factor);
void SetFaceCull(bool enable);
void Render(C4JRender::eVertexType vType, Renderer::Context &c, int primitiveType);
struct Command
{
Renderer::eCommandType m_command_type;
BYTE commandPadding[12];
union
{
BYTE data[64];
struct
{
float m_matrix[16];
// DirectX::XMMATRIX m_matrix;
} add_matrix;
struct
{
unsigned int m_vertex_index_start;
unsigned int m_vertex_count;
} add_vertices;
struct
{
unsigned int m_texture_index;
} bind_texture;
struct
{
float m_color[4];
} set_color;
struct
{
int m_depth_func;
} set_depth_func;
struct
{
bool m_enable;
} set_depth_mask;
struct
{
bool m_enable;
} set_depth_test;
struct
{
bool m_enable;
} set_lighting_enable;
struct
{
int m_light_index;
bool m_enable;
} set_light_enable;
struct
{
int m_light_index;
float padding[3];
float m_direction[4];
} set_light_direction;
struct
{
int m_light_index;
float m_color[3];
} set_light_colour;
struct
{
BYTE padding;
float m_color[3];
} set_light_ambient_colour;
struct
{
bool m_enable;
} set_blend_enable;
struct
{
int m_src;
int m_dst;
} set_blend_func;
struct
{
unsigned int m_blend_factor;
} set_blend_factor;
struct
{
bool m_enable;
} set_face_cull;
};
};
ID3D11Buffer *m_vertexBuffer;
void *m_vertexData;
std::uint64_t m_vertexDataLength;
std::vector<Command> m_commands;
std::uint64_t m_allocated;
BYTE isActive;
};
struct DeferredCBuff
{
Renderer::CommandBuffer *m_command_buf;
int m_vertex_index;
int m_vertex_type;
int m_primitive_type;
DirectX::XMMATRIX m_matrix;
};
struct Context
{
static const unsigned int VERTEX_BUFFER_SIZE = 0x100000;
Context(ID3D11Device *device, ID3D11DeviceContext *deviceContext);
ID3D11DeviceContext *m_pDeviceContext;
ID3DUserDefinedAnnotation *userAnnotation;
DWORD annotateDepth;
DirectX::XMMATRIX matrixStacks[MATRIX_MODE_MODELVIEW_MAX][STACK_SIZE];
bool matrixDirty[MATRIX_MODE_MODELVIEW_MAX];
DWORD stackPos[MATRIX_MODE_MODELVIEW_MAX];
DWORD stackType;
DWORD textureIdx;
bool faceCullEnabled;
bool depthTestEnabled;
bool alphaTestEnabled;
float alphaReference;
bool depthWriteEnabled;
bool fogEnabled;
float fogNearDistance;
float fogFarDistance;
float fogDensity;
float fogColourRed;
float fogColourBlue;
float fogColourGreen;
DWORD fogMode;
bool lightingEnabled;
bool lightEnabled[2];
bool lightingDirty;
DWORD forcedLOD;
BYTE paddingAfterForceLOD[4];
DirectX::XMFLOAT4 lightDirection[2];
DirectX::XMFLOAT4 lightColour[2];
DirectX::XMFLOAT4 lightAmbientColour;
ID3D11Buffer *m_modelViewMatrix;
ID3D11Buffer *m_localTransformMatrix;
ID3D11Buffer *m_projectionMatrix;
ID3D11Buffer *m_textureMatrix;
ID3D11Buffer *m_vertexTexcoordBuffer;
ID3D11Buffer *m_fogParamsBuffer;
ID3D11Buffer *m_lightingStateBuffer;
ID3D11Buffer *m_texGenMatricesBuffer;
ID3D11Buffer *m_compressedTranslationBuffer;
ID3D11Buffer *m_thumbnailBoundsBuffer;
ID3D11Buffer *m_tintColorBuffer;
ID3D11Buffer *m_fogColourBuffer;
ID3D11Buffer *m_unkColorBuffer;
ID3D11Buffer *m_alphaTestBuffer;
ID3D11Buffer *m_clearColorBuffer;
ID3D11Buffer *m_forcedLODBuffer;
uint64_t dynamicVertexBase;
DWORD dynamicVertexOffset;
ID3D11Buffer *dynamicVertexBuffer;
DirectX::XMMATRIX texGenMatrices[2];
Renderer::CommandBuffer *commandBuffer;
DWORD recordingBufferIndex;
DWORD recordingVertexType;
DWORD recordingPrimitiveType;
bool deferredModeEnabled;
std::vector<DeferredCBuff> deferredBuffers;
D3D11_BLEND_DESC blendDesc;
D3D11_DEPTH_STENCIL_DESC depthStencilDesc;
D3D11_RASTERIZER_DESC rasterizerDesc;
float blendFactor[4];
float m_cachedLocalMatrix[16];
float m_cachedCompressedTranslation[4];
float m_cachedTintColor[4];
bool fogDirty;
bool texGenDirty;
int m_cachedSamplerKey;
};
static DWORD tlsIdx;
static _RTL_CRITICAL_SECTION totalAllocCS;
static DWORD s_auiWidths[];
static DWORD s_auiHeights[];
static DXGI_FORMAT textureFormats[];
static D3D_PRIMITIVE_TOPOLOGY g_topologies[];
static int totalAlloc;
float m_fClearColor[4];
ID3D11Device *m_pDevice;
ID3D11DeviceContext *m_pDeviceContext;
IDXGISwapChain *m_pSwapChain;
ID3D11RenderTargetView *renderTargetView;
ID3D11RenderTargetView *renderTargetViews[4];
ID3D11ShaderResourceView *renderTargetShaderResourceView;
ID3D11ShaderResourceView *renderTargetShaderResourceViews[4];
ID3D11Texture2D *renderTargetTextures[4];
ID3D11DepthStencilView *depthStencilView;
ID3D11VertexShader **vertexShaderTable;
ID3D11VertexShader *screenSpaceVertexShader;
ID3D11VertexShader *screenClearVertexShader;
ID3D11PixelShader **pixelShaderTable;
ID3D11PixelShader *screenSpacePixelShader;
ID3D11PixelShader *screenClearPixelShader;
unsigned int *vertexStrideTable;
ID3D11InputLayout **inputLayoutTable;
ID3D11Buffer *quadIndexBuffer;
ID3D11Buffer *fanIndexBuffer;
DWORD defaultTextureIndex;
WORD reservedRendererWord0;
BYTE paddingAfterRendererWord0[2];
DWORD presentCount;
BYTE rendererFlag0;
BYTE paddingAfterRendererFlag0[3];
_RTL_CRITICAL_SECTION m_commandBufferCS;
DWORD activeVertexType;
DWORD activePixelType;
C4JRender::eViewportType m_ViewportType;
BYTE reservedRendererByte0;
BYTE paddingAfterViewportType[3];
Renderer::Texture m_textures[512];
DWORD backBufferWidth;
DWORD backBufferHeight;
BYTE reservedRendererByte1;
BYTE paddingAfterRendererByte1[3];
DWORD reservedRendererDword1;
int16_t *m_commandHandleToIndex;
CommandBuffer **m_commandBuffers;
uint8_t *m_commandPrimitiveTypes;
DirectX::XMMATRIX *m_commandMatrices;
int *m_commandIndexToHandle;
uint8_t *m_commandVertexTypes;
DWORD reservedRendererDword2;
DWORD reservedRendererDword3;
std::unordered_map<int, ID3D11BlendState *> managedBlendStates;
std::unordered_map<int, ID3D11DepthStencilState *> managedDepthStencilStates;
std::unordered_map<int, ID3D11SamplerState *> managedSamplerStates;
std::unordered_map<int, ID3D11RasterizerState *> managedRasterizerStates;
bool m_bShouldScreenGrabNextFrame;
bool m_bSuspended;
BYTE paddingAfterSuspendState[2];
};
// Singleton
extern Renderer InternalRenderManager;
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