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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef S3O_PARSER_H
#define S3O_PARSER_H
#include <map>
#include "IModelParser.h"
#include "System/type2.h"
enum {
S3O_PRIMTYPE_TRIANGLES = 0,
S3O_PRIMTYPE_TRIANGLE_STRIP = 1,
S3O_PRIMTYPE_QUADS = 2,
};
struct SS3OVertex {
float3 pos;
float3 normal;
float2 texCoord;
float3 sTangent;
float3 tTangent;
char unused[8]; //Note: ATi wants 64 _byte_ aligned data in VBOs for optimal performance
};
struct SS3OPiece: public S3DModelPiece {
SS3OPiece(): primType(S3O_PRIMTYPE_TRIANGLES) {
}
void UploadGeometryVBOs();
void DrawForList() const;
void SetVertexCount(unsigned int n) { vertices.resize(n); }
void SetVertexDrawIndexCount(unsigned int n) { vertexDrawIndices.resize(n); }
void SetMinMaxExtends();
void SetVertexTangents();
void SetVertex(int idx, const SS3OVertex& v) { vertices[idx] = v; }
void SetVertexDrawIndex(int idx, const unsigned int drawIdx) { vertexDrawIndices[idx] = drawIdx; }
unsigned int GetVertexCount() const { return vertices.size(); }
unsigned int GetVertexDrawIndexCount() const { return vertexDrawIndices.size(); }
const float3& GetVertexPos(const int idx) const { return vertices[idx].pos; }
const float3& GetNormal(const int idx) const { return vertices[idx].normal; }
void Shatter(float pieceChance, int texType, int team, const float3& pos, const float3& speed) const;
int primType;
private:
std::vector<SS3OVertex> vertices;
std::vector<unsigned int> vertexDrawIndices;
};
class CS3OParser: public IModelParser
{
public:
S3DModel* Load(const std::string& name);
ModelType GetType() const { return MODELTYPE_S3O; }
private:
SS3OPiece* LoadPiece(S3DModel*, SS3OPiece*, unsigned char* buf, int offset);
};
#endif /* S3O_PARSER_H */
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