Initial commit

1 files changed, 178 insertions, 0 deletions

diff --git a/Minecraft.Client/Tesselator.h b/Minecraft.Client/Tesselator.h
new file mode 100644
index 00000000..72a458c2
--- /dev/null
+++ b/Minecraft.Client/Tesselator.h
@@ -0,0 +1,178 @@
+#pragma once
+
+class ChunkRebuildData;
+
+class Tesselator {
+    // private static boolean TRIANGLE_MODE = false;
+	friend ChunkRebuildData;
+private:
+	static bool TRIANGLE_MODE;
+    static bool USE_VBO;
+
+    static const int MAX_MEMORY_USE = 16 * 1024 * 1024;
+    static const int MAX_FLOATS = MAX_MEMORY_USE / 4 / 2;
+
+    intArray *_array;
+
+    int vertices;
+    float u, v;
+	int _tex2;
+    int col;
+    bool hasColor;
+    bool hasTexture;
+	bool hasTexture2;
+    bool hasNormal;
+    int p ;
+	bool	useCompactFormat360; // 4J - added
+	bool	useProjectedTexturePixelShader;	// 4J - added
+public:
+    int count;
+private:
+    bool _noColor;
+    int mode;
+    float xo, yo, zo;
+	float xoo, yoo, zoo;
+    int _normal;
+
+	// 4J - added for thread local storage
+public:
+	static void CreateNewThreadStorage(int bytes);
+private:
+	static DWORD tlsIdx;
+public:
+	static Tesselator *getInstance();
+
+private:
+	bool tesselating;
+	bool mipmapEnable;	// 4J added
+
+    bool vboMode;
+    IntBuffer *vboIds;
+    int vboId;
+    int vboCounts;
+    int size;
+
+    Tesselator(int size);
+public:
+    Tesselator *getUniqueInstance(int size);
+    void end();
+private:
+	void clear();
+
+	// 4J - added to handle compact quad vertex format, which need packaged up as quads
+	unsigned int m_ix[4],m_iy[4],m_iz[4];
+	unsigned int m_clr[4];
+	unsigned int m_u[4], m_v[4];
+	unsigned int m_t2[4];
+	void packCompactQuad();
+
+#ifdef __PSVITA__
+	// AP - alpha cut out is expensive on vita. Use this to defer primitives that use icons with alpha
+	bool alphaCutOutEnabled;
+
+	// this is the cut out enabled vertex array
+    intArray *_array2;
+    int vertices2;
+    int p2;
+#endif
+
+public:
+
+	// 4J MGH - added, to calculate tight bounds
+	class Bounds
+	{
+	public:
+		void reset()
+		{
+			boundingBox[0] = FLT_MAX;
+			boundingBox[1] = FLT_MAX;
+			boundingBox[2] = FLT_MAX;
+			boundingBox[3] = -FLT_MAX;
+			boundingBox[4] = -FLT_MAX;
+			boundingBox[5] = -FLT_MAX;
+		}
+		void addVert(float x, float y, float z)
+		{
+			if(x < boundingBox[0])
+				boundingBox[0] = x;
+			if(y < boundingBox[1])
+				boundingBox[1] = y;
+			if(z < boundingBox[2])
+				boundingBox[2] = z;
+
+			if(x > boundingBox[3])
+				boundingBox[3] = x;
+			if(y > boundingBox[4])
+				boundingBox[4] = y;
+			if(z > boundingBox[5])
+				boundingBox[5] = z;
+		}
+		void addBounds(Bounds& ob)
+		{
+			if(ob.boundingBox[0] < boundingBox[0])
+				boundingBox[0] = ob.boundingBox[0];
+			if(ob.boundingBox[1] < boundingBox[1])
+				boundingBox[1] = ob.boundingBox[1];
+			if(ob.boundingBox[2] < boundingBox[2])
+				boundingBox[2] = ob.boundingBox[2];
+
+			if(ob.boundingBox[3] > boundingBox[3])
+				boundingBox[3] = ob.boundingBox[3];
+			if(ob.boundingBox[4] > boundingBox[4])
+				boundingBox[4] = ob.boundingBox[4];
+			if(ob.boundingBox[5] > boundingBox[5])
+				boundingBox[5] = ob.boundingBox[5];
+		}
+		float boundingBox[6];	// 4J MGH added
+
+	} bounds;
+
+	void begin();
+    void begin(int mode);
+	void useCompactVertices(bool enable); // 4J added
+	bool getCompactVertices();			// AP added
+	void useProjectedTexture(bool enable);	// 4J added
+    void tex(float u, float v);
+	void tex2(int tex2);	// 4J - change brought forward from 1.8.2
+    void color(float r, float g, float b);
+    void color(float r, float g, float b, float a);
+    void color(int r, int g, int b);
+    void color(int r, int g, int b, int a);
+    void color(byte r, byte g, byte b);
+    void vertexUV(float x, float y, float z, float u, float v);
+    void vertex(float x, float y, float z);
+    void color(int c);
+    void color(int c, int alpha);
+    void noColor();
+    void normal(float x, float y, float z);
+    void offset(float xo, float yo, float zo);
+    void addOffset(float x, float y, float z);
+	bool setMipmapEnable(bool enable);	// 4J added
+
+	bool hasMaxVertices(); // 4J Added
+#ifdef __PSVITA__
+	// AP - alpha cut out is expensive on vita. Use this to defer primitives that use icons with alpha
+	void setAlphaCutOut(bool enable);
+	bool getCutOutFound();
+
+	// AP - a faster way of creating a compressed tile quad
+	void tileQuad(float x1, float y1, float z1, float u1, float v1, float r1, float g1, float b1, int tex1,
+					float x2, float y2, float z2, float u2, float v2, float r2, float g2, float b2, int tex2,
+					float x3, float y3, float z3, float u3, float v3, float r3, float g3, float b3, int tex3,
+					float x4, float y4, float z4, float u4, float v4, float r4, float g4, float b4, int tex4);
+	// AP - a faster way of creating rain quads
+	void tileRainQuad(float x1, float y1, float z1, float u1, float v1, 
+								float x2, float y2, float z2, float u2, float v2, 
+								float x3, float y3, float z3, float u3, float v3, 
+								float x4, float y4, float z4, float u4, float v4, 
+								float r1, float g1, float b1, float a1,
+								float r2, float g2, float b2, float a2, int tex1);
+	// AP - a faster way of creating particles
+	void tileParticleQuad(float x1, float y1, float z1, float u1, float v1, 
+								float x2, float y2, float z2, float u2, float v2, 
+								float x3, float y3, float z3, float u3, float v3, 
+								float x4, float y4, float z4, float u4, float v4, 
+								float r1, float g1, float b1, float a1);
+#endif
+
+};