nuclear@0: #ifndef _3DGEOM_H_
nuclear@0: #define _3DGEOM_H_
nuclear@0: 
nuclear@0: #include <vector>
nuclear@0: #include "n3dmath.h"
nuclear@0: #include "3dengtypes.h"
nuclear@0: #include "switches.h"
nuclear@0: 
nuclear@0: struct TexCoord {
nuclear@0: 	float u, v;
nuclear@0: 
nuclear@0: 	TexCoord(float u = 0.0f, float v = 0.0f);
nuclear@0: };
nuclear@0: 
nuclear@0: class Triangle;	// fwd declaration
nuclear@0: 
nuclear@0: class Vertex {
nuclear@0: public:
nuclear@0: 	Vector3 pos;
nuclear@0: 	float BlendFactor;
nuclear@0: 	dword BlendIndex;
nuclear@0: 	Vector3 normal;
nuclear@0: 	dword color;
nuclear@0: 	TexCoord tex[4];
nuclear@0: 
nuclear@0: 	Vertex();
nuclear@0: 	Vertex(const Vector3 &position, float tu = 0.0f, float tv = 0.0f, dword color = 0x00ffffff);
nuclear@0: 
nuclear@0: 	void CalculateNormal(const Vertex *vbuffer, const Triangle *triangles, long trinum);
nuclear@0: };
nuclear@0: 
nuclear@0: 
nuclear@0: class Edge {
nuclear@0: public:
nuclear@0: 	Index vertices[2];
nuclear@0: 	Index adjfaces[2];
nuclear@0: 
nuclear@0: 	Edge();
nuclear@0: 	Edge(Index v1, Index v2, Index af1 = 0, Index af2 = 0);
nuclear@0: };
nuclear@0: 
nuclear@0: 
nuclear@0: class Triangle {
nuclear@0: public:
nuclear@0: 	Index vertices[3];
nuclear@0: 	Vector3 normal;
nuclear@0: 	dword SmoothingGroup;
nuclear@0: 
nuclear@0: 	Triangle(Index v1 = 0, Index v2 = 0, Index v3 = 0);
nuclear@0: 
nuclear@0: 	void CalculateNormal(Vertex *vbuffer, bool normalize=0);
nuclear@0: };
nuclear@0: 
nuclear@0: 
nuclear@0: enum TriMeshMode {TriMeshDynamic, TriMeshStatic};
nuclear@0: 
nuclear@0: class GraphicsContext;
nuclear@0: 
nuclear@0: class TriMesh {
nuclear@0: private:
nuclear@0: 	GraphicsContext *gc;
nuclear@0: 
nuclear@0: 	// LOD arrays of vertex and triangle arrays for the mesh
nuclear@0: 	Vertex **varray;
nuclear@0: 	Triangle **triarray;
nuclear@0: 	// system managed copy of the data (probably on the video ram or something)
nuclear@0: 	VertexBuffer **vbuffer;
nuclear@0: 	IndexBuffer **ibuffer;
nuclear@0: 
nuclear@0: 	std::vector<dword> **AdjTriangles;
nuclear@0: 	bool *AdjValid;
nuclear@0: 	
nuclear@0: 	dword *VertexCount, *TriCount;
nuclear@0: 	byte Levels;
nuclear@0: 
nuclear@0: 	bool *BuffersValid;
nuclear@0: 	bool dynamic;
nuclear@0: 
nuclear@0: 	// synchronizes the system managed copy of vertices/indices with the local data
nuclear@0: 	bool UpdateSystemBuffers(byte level);
nuclear@0: 	void UpdateLODChain();
nuclear@0: 
nuclear@0: public:
nuclear@0: 	TriMesh(byte LODLevels, GraphicsContext *gc = 0);
nuclear@0: 	TriMesh(const TriMesh &mesh);
nuclear@0: 	~TriMesh();
nuclear@0: 
nuclear@0: 	const TriMesh &operator =(const TriMesh &mesh);
nuclear@0: 
nuclear@0: 	const Vertex *GetVertexArray(byte level = 0) const;
nuclear@0: 	const Triangle *GetTriangleArray(byte level = 0) const;
nuclear@0: 	
nuclear@0: 	Vertex *GetModVertexArray();
nuclear@0: 	Triangle *GetModTriangleArray();
nuclear@0: 
nuclear@0: 	const VertexBuffer *GetVertexBuffer(byte level = 0) const;
nuclear@0: 	const IndexBuffer *GetIndexBuffer(byte level = 0) const;
nuclear@0: 
nuclear@0: 	dword GetVertexCount(byte level = 0) const;
nuclear@0: 	dword GetTriangleCount(byte level = 0) const;
nuclear@0: 	byte GetLevelCount() const;
nuclear@0: 
nuclear@0: 	void ChangeMode(TriMeshMode mode);
nuclear@0: 	void SetGraphicsContext(GraphicsContext *gc);
nuclear@0: 	void SetData(const Vertex *vdata, const Triangle *tridata, dword vcount, dword tricount);
nuclear@0: 
nuclear@0: 	void CalculateNormals();
nuclear@0: 	void CalculateNormalsFast();
nuclear@0: 	//void CalculateEdges();
nuclear@0: };
nuclear@0: 
nuclear@0: #endif	// _3DGEOM_H_