model_jade.h

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/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos 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.
 *
 * xoreos 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 xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef GRAPHICS_AURORA_MODEL_JADE_H
#define GRAPHICS_AURORA_MODEL_JADE_H

#include "src/graphics/aurora/model.h"
#include "src/graphics/aurora/modelnode.h"

namespace Common {
    class SeekableReadStream;
}

namespace Graphics {

namespace Aurora {

class ModelNode_Jade;

class Model_Jade : public Model {
public:
    Model_Jade(const Common::UString &name, ModelType type = kModelTypeObject,
               const Common::UString &texture = "");
    ~Model_Jade();

private:
    struct ParserContext {
        Common::SeekableReadStream *mdl;
        Common::SeekableReadStream *mdx;

        Common::UString mdlName;

        State *state;

        std::list<ModelNode_Jade *> nodes;

        Common::UString texture;

        uint32 offModelData;

        uint32 mdlSize;

        uint32 mdxSizeVertices;
        uint32 mdxSizeFaces;
        uint32 mdxSize3;

        std::vector<Common::UString> names;

        std::vector<float>  vertices;
        std::vector<uint16> indices;

        std::vector<Common::UString> textures;

        std::vector<std::vector<float> > texCoords;

        ParserContext(const Common::UString &name, const Common::UString &t);
        ~ParserContext();

        void clear();
        void newNode();
    };


    void newState(ParserContext &ctx);
    void addState(ParserContext &ctx);

    void load(ParserContext &ctx);

    void readStrings(Common::SeekableReadStream &mdl,
            const std::vector<uint32> &offsets, uint32 offset,
            std::vector<Common::UString> &strings);

    friend class ModelNode_Jade;
};

class ModelNode_Jade : public ModelNode {
public:
    ModelNode_Jade(Model &model);
    ~ModelNode_Jade();

    void load(Model_Jade::ParserContext &ctx);

    void buildMaterial();

private:

    struct JadeMaterialData {
        uint32 renderPathID;
        uint32 opacity1;
        uint32 opacity2;
        float cubeMultiplier;
        float bumpCoordMultiplier;
        float terrainCoordMultiplier;
        float falloff;
        float waterAlpha;
        uint8 bumpMapIsSpecular;
        uint8 doubleSided;
        // 2 bytes unknown (padding?)
        float diffuseColor[3];
        float ambientColor[3];
        // 24 bytes unknown.
        uint32 blending1;
        uint32 blending2;
        // 4 bytes unknown.
    };

    void readMesh(Model_Jade::ParserContext &ctx);

    void readPlainIndices  (Common::SeekableReadStream &stream, std::vector<uint16> &indices,
                            uint32 offset, uint32 count);
    void readChunkedIndices(Common::SeekableReadStream &stream, std::vector<uint16> &indices,
                            uint32 offset, uint32 count);

    void unfoldFaces        (std::vector<uint16> &indices, uint32 meshType);
    void unfoldTriangleStrip(std::vector<uint16> &indices);
    void unfoldTriangleFan  (std::vector<uint16> &indices);

    void createMesh(Model_Jade::ParserContext &ctx);

    void readMaterialTextures(uint32 materialID, std::vector<Common::UString> &textures);

    JadeMaterialData _jadeMaterialData;
};

} // End of namespace Aurora

} // End of namespace Graphics

#endif // GRAPHICS_AURORA_MODEL_JADE_H