material.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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/>.
 *
 */

#ifndef GRIM_MATERIAL_H
#define GRIM_MATERIAL_H

#include "engines/grim/object.h"

namespace Grim {

class CMap;

class Texture {
public:
    Texture() :
        _width(0), _height(0), _bpp(0), _hasAlpha(false), _texture(nullptr), _data(nullptr), _isShared(false) {};
    int _width;
    int _height;
    int _bpp;
    bool _hasAlpha;
    void *_texture;
    uint8 *_data;
    bool _isShared;
};

class MaterialData {
public:
    MaterialData(const Common::String &filename, Common::SeekableReadStream *data, CMap *cmap);
    ~MaterialData();

    static MaterialData *getMaterialData(const Common::String &filename, Common::SeekableReadStream *data, CMap *cmap);
    static Common::List<MaterialData *> *_materials;

    Common::String _fname;
    const ObjectPtr<CMap> _cmap;
    int _numImages;
    Texture **_textures;
    int _refCount;

private:
    void initGrim(Common::SeekableReadStream *data);
    void initEMI(Common::SeekableReadStream *data);
};

class Material : public Object {
public:
    // Load a texture from the given data.
    Material(const Common::String &filename, Common::SeekableReadStream *data, CMap *cmap, bool clamp);

    void reload(CMap *cmap);
    // Load this texture into the GL context
    virtual void select() const;

    // Set which image in an animated texture to use
    void setActiveTexture(int n);

    int getNumTextures() const;
    int getActiveTexture() const;

    const Common::String &getFilename() const;
    MaterialData *getData() const;

    virtual ~Material();

protected:
    Material();

private:
    MaterialData *_data;
    int _currImage;
    bool _clampTexture;
};

} // end of namespace Grim

#endif