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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef _3DMODEL_H
#define _3DMODEL_H
#include <vector>
#include <string>
#include <set>
#include <map>
#include "System/Matrix44f.h"
enum ModelType {
MODELTYPE_3DO = 0,
MODELTYPE_S3O = 1,
MODELTYPE_OBJ = 2,
MODELTYPE_ASS = 3, // Model loaded by Assimp library
MODELTYPE_OTHER = 4 // For future use. Still used in some parts of code.
};
struct CollisionVolume;
struct S3DModel;
struct S3DModelPiece;
struct LocalModel;
struct LocalModelPiece;
struct aiScene;
typedef std::map<std::string, S3DModelPiece*> ModelPieceMap;
/**
* S3DModel
* A 3D model definition. Holds the vertices data, texture data, piece tree & default geometric data of those.
* The S3DModel is static and shouldn't change once created, instead LocalModel is used by each agent.
*/
struct S3DModelPiece {
S3DModelPiece()
: model(NULL)
, parent(NULL)
, colvol(NULL)
, isEmpty(true)
, dispListID(0)
, type(MODELTYPE_OTHER)
{
}
virtual ~S3DModelPiece();
virtual void DrawForList() const = 0;
virtual int GetVertexCount() const { return 0; }
virtual int GetNormalCount() const { return 0; }
virtual int GetTxCoorCount() const { return 0; }
virtual void SetMinMaxExtends() {}
virtual void SetVertexTangents() {}
virtual const float3& GetVertexPos(int) const = 0;
virtual float3 GetPosOffset() const { return ZeroVector; }
virtual void Shatter(float, int, int, const float3&, const float3&) const {}
void DrawStatic() const;
void SetCollisionVolume(CollisionVolume* cv) { colvol = cv; }
const CollisionVolume* GetCollisionVolume() const { return colvol; }
CollisionVolume* GetCollisionVolume() { return colvol; }
unsigned int GetChildCount() const { return childs.size(); }
S3DModelPiece* GetChild(unsigned int i) const { return childs[i]; }
public:
std::string name;
std::string parentName;
std::vector<S3DModelPiece*> childs;
S3DModel* model;
S3DModelPiece* parent;
CollisionVolume* colvol;
bool isEmpty;
unsigned int dispListID;
ModelType type;
float3 mins;
float3 maxs;
float3 offset; ///< @see parent
float3 goffset; ///< @see root
float3 rot;
float3 scale;
};
struct S3DModel
{
S3DModel()
: tex1("default.png")
, tex2("")
, id(-1)
, type(MODELTYPE_OTHER)
, textureType(-1)
, flipTexY(false)
, invertTexAlpha(false)
, radius(0.0f)
, height(0.0f)
, mins(10000.0f, 10000.0f, 10000.0f)
, maxs(-10000.0f, -10000.0f, -10000.0f)
, relMidPos(ZeroVector)
, numPieces(0)
, rootPiece(NULL)
{
}
S3DModelPiece* GetRootPiece() const { return rootPiece; }
void SetRootPiece(S3DModelPiece* p) { rootPiece = p; }
void DrawStatic() const { rootPiece->DrawStatic(); }
S3DModelPiece* FindPiece(std::string name);
public:
std::string name;
std::string tex1;
std::string tex2;
int id; //! unsynced ID, starting with 1
ModelType type;
int textureType; //! FIXME: MAKE S3O ONLY (0 = 3DO, otherwise S3O or OBJ)
bool flipTexY; //! Turn both textures upside down before use
bool invertTexAlpha; //! Invert teamcolor alpha channel in S3O texture 1
float radius;
float height;
float3 mins;
float3 maxs;
float3 relMidPos;
int numPieces;
S3DModelPiece* rootPiece; //! The piece at the base of the model hierarchy
ModelPieceMap pieces; //! Lookup table for pieces by name
};
/**
* LocalModel
* Instance of S3DModel. Container for the geometric properties & piece visibility status of the agent's instance of a 3d model.
*/
struct LocalModelPiece
{
LocalModelPiece(const S3DModelPiece* piece);
~LocalModelPiece();
void AddChild(LocalModelPiece* c) { childs.push_back(c); }
void SetParent(LocalModelPiece* p) { parent = p; }
void Draw();
void DrawLOD(unsigned int lod);
void SetLODCount(unsigned int count);
void ApplyTransformUnsynced();
void GetPiecePosIter(CMatrix44f* mat) const;
bool GetEmitDirPos(float3& pos, float3& dir) const;
float3 GetAbsolutePos() const;
void SetPosition(const float3& p) { pos = p; ++numUpdatesSynced; }
void SetRotation(const float3& r) { rot = r; ++numUpdatesSynced; }
//void SetDirection(const float3&);
const float3& GetPosition() const { return pos; }
const float3& GetRotation() const { return rot; }
float3 GetDirection() const;
CMatrix44f GetMatrix() const;
const CollisionVolume* GetCollisionVolume() const { return colvol; }
CollisionVolume* GetCollisionVolume() { return colvol; }
private:
void CheckUpdateMatrixUnsynced();
private:
float3 pos;
float3 rot; //! in radians
CollisionVolume* colvol;
CMatrix44f transfMat;
unsigned numUpdatesSynced;
unsigned lastMatrixUpdate;
public:
// TODO: add (visibility) maxradius!
bool visible;
bool identity;
const S3DModelPiece* original;
LocalModelPiece* parent;
std::vector<LocalModelPiece*> childs;
unsigned int dispListID;
std::vector<unsigned int> lodDispLists;
};
struct LocalModel
{
LocalModel(const S3DModel* model)
: original(model)
, type(model->type)
, lodCount(0)
{
assert(model->numPieces >= 1);
pieces.reserve(model->numPieces);
CreateLocalModelPieces(model->GetRootPiece());
assert(pieces.size() == model->numPieces);
}
~LocalModel()
{
//! delete the local piece copies
for (std::vector<LocalModelPiece*>::iterator pi = pieces.begin(); pi != pieces.end(); ++pi) {
delete *pi;
}
pieces.clear();
}
LocalModelPiece* GetPiece(unsigned int i) const { return pieces[i]; }
LocalModelPiece* GetRoot() const { return GetPiece(0); }
void Draw() const { pieces[0]->Draw(); }
void DrawLOD(unsigned int lod) const { if (lod <= lodCount) pieces[0]->DrawLOD(lod); }
void SetLODCount(unsigned int count);
//! raw forms, the piecenum must be valid
void ApplyRawPieceTransformUnsynced(int piecenum) const;
float3 GetRawPiecePos(int piecenum) const;
CMatrix44f GetRawPieceMatrix(int piecenum) const;
float3 GetRawPieceDirection(int piecenum) const;
void GetRawEmitDirPos(int piecenum, float3& pos, float3& dir) const;
private:
LocalModelPiece* CreateLocalModelPieces(const S3DModelPiece* mpParent, size_t pieceNum = 0);
public:
const S3DModel* original;
ModelType type;
unsigned int lodCount;
std::vector<LocalModelPiece*> pieces;
};
#endif /* _3DMODEL_H */
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