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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef _ADV_TREE_GENERATOR_H
#define _ADV_TREE_GENERATOR_H
#include "Rendering/GL/myGL.h"
// XXX This has a duplicate in ITreeDrawer.h
#define MAX_TREE_HEIGHT 60
class CVertexArray;
namespace Shader {
struct IProgramObject;
}
class CAdvTreeGenerator
{
public:
CAdvTreeGenerator();
virtual ~CAdvTreeGenerator();
void Draw() const;
GLuint barkTex;
GLuint farTex[2];
unsigned int leafDL;
unsigned int pineDL;
CVertexArray* va;
CVertexArray* barkva;
void MainTrunk(int numBranch, float height, float width);
void CreateFarTex(Shader::IProgramObject*);
void CreateFarView(unsigned char* mem, int dx, int dy, unsigned int displist);
private:
void CreateLeaves(const float3& start, const float3& dir, float length, float3& orto1, float3& orto2);
void TrunkIterator(const float3& start, const float3& dir, float length, float size, int depth);
void DrawTrunk(const float3& start, const float3& end, const float3& orto1, const float3& orto2, float size);
void DrawPineTrunk(const float3& start, const float3& end, float size);
void DrawPineBranch(const float3& start, const float3& dir, float size);
void CreateGranTexBranch(const float3& start, const float3& end);
void CreateGranTex(unsigned char* data, int xpos, int ypos, int xsize);
void PineTree(int numBranch, float height);
float fRand(float size);
void CreateLeafTex(unsigned int baseTex, int xpos, int ypos, unsigned char buf[256][2048][4]);
};
extern CAdvTreeGenerator* treeGen;
#endif // _ADV_TREE_GENERATOR_H
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