te_mesh.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 TETRAEDGE_TE_TE_MESH_H
#define TETRAEDGE_TE_TE_MESH_H

#include "common/array.h"
#include "common/ptr.h"

#include "tetraedge/te/te_3d_object2.h"
#include "tetraedge/te/te_3d_texture.h"
#include "tetraedge/te/te_color.h"
#include "tetraedge/te/te_intrusive_ptr.h"
#include "tetraedge/te/te_vector2f32.h"
#include "tetraedge/te/te_vector3f32.h"
#include "tetraedge/te/te_matrix4x4.h"
#include "tetraedge/te/te_material.h"
#include "tetraedge/te/te_model_vertex_animation.h"

namespace Tetraedge {

class TeModel;
class TeModelVertexAnimation;

class TeMesh : public Te3DObject2 {
public:
    TeMesh();

    virtual ~TeMesh() {};

    enum Mode {
        MeshMode_None = 0,
        MeshMode_Points,
        MeshMode_Lines,
        MeshMode_LineLoop,
        MeshMode_LineStrip,
        MeshMode_Triangles,
        MeshMode_TriangleStrip,
        MeshMode_TriangleFan
    };

    void attachMaterial(uint idx, const TeMaterial &material);
    void boundingBox(TeVector3f32 &boxmin, TeVector3f32 boxmax);
    void checkArrays() {};
    void clearColors() { _colors.clear(); }
    TeColor color(uint idx) const { return _colors[idx]; }
    void copy(const TeMesh &other);
    void create();
    void defaultMaterial(const TeIntrusivePtr<Te3DTexture> &texture);
    void destroy();
    void facesPerMaterial(uint idx, unsigned short value);
    unsigned short facesPerMaterial(uint idx) const { return _faceCounts[idx]; }
    void forceMatrix(const TeMatrix4x4 &matrix);
    byte getFaceMaterial(uint idx);
    virtual uint32 getTexEnvMode() const = 0;
    virtual TeMesh::Mode getMode() const = 0;
    virtual void setMode(enum Mode mode) = 0;
    bool hasAlpha(uint idx);
    bool hasColor() const { return !_colors.empty(); }
    bool hasUvs() const { return !_uvs.empty(); }
    unsigned short index(uint num) const { return _indexes[num]; }
    TeMaterial *material(uint idx);
    const TeMaterial *material(uint idx) const;
    void materialIndex(uint idx, byte val);
    byte materialIndex(uint idx) const { return _materialIndexes[idx]; }
    void matrixIndex(uint num, unsigned short val);
    unsigned short matrixIndex(uint num) const { return _matricies[num]; }
    TeVector3f32 normal(uint idx) const;

    void optimizeVerticies();
    void resizeUpdatedTables(uint newSize);

    void setColor(const TeColor &col) override;
    void setColor(uint idx, const TeColor &col);
    void setConf(uint vertexCount, uint indexCount, enum Mode mode, uint materialCount, uint materialIndexCount);
    void setIndex(uint idx, uint val);
    void setNormal(uint idx, const TeVector3f32 &val);
    void setTextureUV(uint idx, const TeVector2f32 &val);
    void setVertex(uint idx, const TeVector3f32 &val);
    void sortFaces();

    void update(const Common::Array<TeMatrix4x4> *matricies1, const Common::Array<TeMatrix4x4> *matricies2);
    void update(TeIntrusivePtr<TeModelVertexAnimation> vertexanim);
    void updateTo(const Common::Array<TeMatrix4x4> *matricies1, const Common::Array<TeMatrix4x4> *matricies2,
                Common::Array<TeVector3f32> &verts, Common::Array<TeVector3f32> &normals);

    TeVector2f32 textureUV(uint idx) const { return _uvs[idx]; }
    TeVector3f32 vertex(uint idx) const;

    uint numIndexes() const { return _indexes.size(); }
    uint numVerticies() const { return _verticies.size(); }
    bool shouldDrawMaybe() const { return _shouldDraw; }

    void setShouldDraw(bool val) { _shouldDraw = val; }
    virtual void setglTexEnvBlend() = 0;
    void setHasAlpha(bool val) { _hasAlpha = val; }

    Common::Array<TeMaterial> &materials() { return _materials; }
    void setUpdatedVertex(uint idx, const TeVector3f32 &val) { _updatedVerticies[idx] = val; }
    void setUpdatedNormal(uint idx, const TeVector3f32 &val) { _updatedNormals[idx] = val; }

    const TeVector3f32 &preUpdatedVertex(uint idx) const { return _verticies[idx]; }
    const TeVector3f32 &preUpdatedNormal(uint idx) const { return _normals[idx]; }

    static TeMesh *makeInstance();

protected:
    Common::Array<unsigned char> _materialIndexes;
    Common::Array<TeVector3f32> _verticies;
    Common::Array<TeVector3f32> _normals;
    Common::Array<TeVector3f32> _updatedVerticies;
    Common::Array<TeVector3f32> _updatedNormals;
    Common::Array<TeVector2f32> _uvs;
    Common::Array<unsigned short> _indexes;
    Common::Array<unsigned short> _faceCounts;
    Common::Array<unsigned short> _matricies;
    Common::Array<TeColor> _colors;
    Common::Array<TeMaterial> _materials;

    bool _matrixForced;
    TeMatrix4x4 _forcedMatrix;
    bool _hasAlpha;
    uint _initialMaterialIndexCount;
    bool _drawWires;
    bool _shouldDraw;

};

} // end namespace Tetraedge

#endif // TETRAEDGE_TE_TE_MESH_H