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// * This file is part of the COLOBOT source code
// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
// * Copyright (C) 2012, Polish Portal of Colobot (PPC)
// *
// * This program is free software: you can redistribute it and/or modify
// * it under the terms of the GNU General Public License as published by
// * the Free Software Foundation, either version 3 of the License, or
// * (at your option) any later version.
// *
// * This program is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// * GNU General Public License for more details.
// *
// * You should have received a copy of the GNU General Public License
// * along with this program. If not, see http://www.gnu.org/licenses/.
/**
* \file graphics/engine/modelfile.h
* \brief Model loading - Gfx::CModelFile class (aka modfile)
*/
#include "graphics/engine/engine.h"
#include "graphics/core/vertex.h"
#include "graphics/core/material.h"
#include "math/vector.h"
#include <string>
#include <vector>
#include <iostream>
class CInstanceManager;
namespace Gfx {
/**
\struct ModelTriangle
\brief Triangle of a 3D model
*/
struct ModelTriangle
{
//! 1st vertex
Gfx::VertexTex2 p1;
//! 2nd vertex
Gfx::VertexTex2 p2;
//! 3rd vertex
Gfx::VertexTex2 p3;
//! Material
Gfx::Material material;
//! Name of 1st texture
std::string tex1Name;
//! Name of 2nd texture
std::string tex2Name;
//! Min LOD threshold
float min;
//! Max LOD threshold
float max;
//! Rendering state to be set
long state;
ModelTriangle();
};
/**
\class CModelFile
\brief Model file reader/writer
Allows reading and writing model objects. Models are collections of ModelTriangle structs. */
class CModelFile
{
public:
CModelFile(CInstanceManager* iMan);
~CModelFile();
//! Returns the last error encountered
std::string GetError();
//! Reads a binary Colobot model from file
bool ReadModel(const std::string &filename, bool edit = false, bool meta = true);
//! Reads a binary Colobot model from stream
bool ReadModel(std::istream &stream, bool edit = false, bool meta = true);
//! Writes the model to Colobot binary model file
bool WriteModel(const std::string &filename);
//! Writes the model to Colobot binary model file
bool WriteModel(std::ostream &stream);
//! Reads a DXF model from file
bool ReadDXF(const std::string &filename, float min, float max);
//! Reads a DXF model from stream
bool ReadDXF(std::istream &stream, float min, float max);
//! Returns the number of triangles in model
int GetTriangleCount();
//! Returns the triangle vector
std::vector<Gfx::ModelTriangle>& GetTriangles();
//! Returns the height of model -- closest point to X and Z coords of \a pos
float GetHeight(Math::Vector pos);
//! Mirrors the model along the Z axis
void Mirror();
//! Creates an object in the graphics engine from the model
bool CreateEngineObject(int objRank, int addState = 0);
protected:
//! Adds a triangle to the list
void CreateTriangle(Math::Vector p1, Math::Vector p2, Math::Vector p3, float min, float max);
protected:
CInstanceManager* m_iMan;
Gfx::CEngine* m_engine;
//! Last error
std::string m_error;
//! Model triangles
std::vector<Gfx::ModelTriangle> m_triangles;
};
}; // namespace Gfx
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