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101 lines
2.3 KiB
C++
101 lines
2.3 KiB
C++
/********************************************************************
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Minecraft: Pocket Edition - Decompilation Project
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Copyright (C) 2023 iProgramInCpp
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The following code is licensed under the BSD 1 clause license.
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SPDX-License-Identifier: BSD-1-Clause
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********************************************************************/
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#pragma once
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#include <cstdint>
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#include <map>
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#include "compat/GL.hpp"
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#include "RenderChunk.hpp"
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#define GET_RED(c) (uint8_t(((c) >> 0) & 0xFF))
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#define GET_GREEN(c) (uint8_t(((c) >> 8) & 0xFF))
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#define GET_BLUE(c) (uint8_t(((c) >> 16) & 0xFF))
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#define GET_ALPHA(c) (uint8_t(((c) >> 24) & 0xFF))
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class Tesselator
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{
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public:
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static Tesselator instance; // singleton
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public:
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struct Vertex
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{
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// position
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float m_x;
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float m_y;
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float m_z;
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// texture mapping coords
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float m_u;
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float m_v;
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// RGBA color
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uint32_t m_color;
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};
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public:
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Tesselator(int allotedSize = 0x800000);
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~Tesselator();
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void addOffset(float x, float y, float z);
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void begin();
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void begin(int accessMode);
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void clear();
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void color(int c);
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void color(int c, int a);
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void color(int r, int g, int b);
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void color(int r, int g, int b, int a);
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void color(char r, char g, char b);
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void color(float r, float g, float b);
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void color(float r, float g, float b, float a);
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void draw();
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int getVboCount();
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void init();
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void noColor();
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void normal(float, float, float);
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void offset(float, float, float);
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void setAccessMode(int mode); // sets m_DrawArraysMode
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void tex(float u, float v);
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void vertex(float x, float y, float z);
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void vertexUV(float x, float y, float z, float u, float v);
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void voidBeginAndEndCalls(bool b);
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RenderChunk end(int);
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public:
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Vertex* m_pVertices = nullptr;
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int field_4 = 0;
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float m_offsetX = 0.0f;
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float m_offsetY = 0.0f;
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float m_offsetZ = 0.0f;
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float m_nextVtxU = 0;
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float m_nextVtxV = 0;
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uint32_t m_nextVtxColor = 0;
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bool m_bHaveColor = false;
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bool m_bHaveTex = false;
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bool field_26 = false;
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bool m_bBlockColor = false;
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bool field_28 = false;
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int field_2C = 0;
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int field_30 = 0;
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bool field_34 = false;
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int m_vboCount = 1024;
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int field_3C = -1;
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GLuint* m_pVBOs = nullptr;
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int field_48 = 0;
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int m_maxVertices = 0;
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GLuint m_drawArraysMode = 0;
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int m_accessMode = 0;
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std::map<uint32_t, uint32_t> m_VboIdxToRenderChunkID;
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};
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