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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 "3DModel.h"
#include "IModelParser.h"
#include "System/type2.h"
enum {
S3O_PRIMTYPE_TRIANGLES = 0,
S3O_PRIMTYPE_TRIANGLE_STRIP = 1,
S3O_PRIMTYPE_QUADS = 2,
};
typedef SVertexData SS3OVertex;
struct SS3OPiece: public S3DModelPiece {
public:
SS3OPiece() = default;
SS3OPiece(const SS3OPiece&) = delete;
SS3OPiece(SS3OPiece&& p) { *this = std::move(p); }
SS3OPiece& operator = (const SS3OPiece& p) = delete;
SS3OPiece& operator = (SS3OPiece&& p) {
#if 0
// piece is never actually moved, just need the operator for pool
vertices = std::move(p.vertices);
indices = std::move(p.indices);
primType = p.primType;
#endif
return *this;
}
void Clear() override {
S3DModelPiece::Clear();
vertices.clear();
indices.clear();
primType = S3O_PRIMTYPE_TRIANGLES;
}
unsigned int GetVertexDrawIndexCount() const override { return indices.size(); }
unsigned int GetVertexCount() const override { return vertices.size(); }
const float3& GetVertexPos(const int idx) const override { return vertices[idx].pos; }
const float3& GetNormal(const int idx) const override { return vertices[idx].normal; }
const std::vector<SS3OVertex>& GetVertexElements() const override { return vertices; }
const std::vector<unsigned>& GetVertexIndices() const override { return indices; }
public:
void SetVertexCount(unsigned int n) { vertices.resize(n); }
void SetIndexCount(unsigned int n) { indices.resize(n); }
void SetVertex(int idx, const SS3OVertex& v) { vertices[idx] = v; }
void SetIndex(int idx, const unsigned int drawIdx) { indices[idx] = drawIdx; }
void Trianglize();
void SetMinMaxExtends();
void SetVertexTangents();
public:
std::vector<SS3OVertex> vertices;
std::vector<unsigned int> indices;
int primType = S3O_PRIMTYPE_TRIANGLES;
};
class CS3OParser: public IModelParser
{
public:
void Init() override;
void Kill() override;
S3DModel Load(const std::string& name) override;
private:
SS3OPiece* AllocPiece();
SS3OPiece* LoadPiece(S3DModel*, SS3OPiece*, std::vector<uint8_t>& buf, int offset);
private:
std::vector<SS3OPiece> piecePool;
spring::mutex poolMutex;
unsigned int numPoolPieces = 0;
};
#endif /* S3O_PARSER_H */
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