components/scene/TerrainComponent.h

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// /////////////////////////////////////////////////////////////////////////////
//
// Name:            TerrainComponent.h
// Author:          Michael Bartsch (ZCCdark203)
//
// Desc :           Declaration of the TerrainComponent class.
//
// License:         Copyright (C) 2009 Michael Bartsch and Contributors
//
//                  This program is free software: you can redistribute it
//                  and/or modify it under the terms of the zlib/libpng License.
//                  See main.cpp for conditions of distribution and use.
//
// /////////////////////////////////////////////////////////////////////////////

#ifndef __TERRAINCOMPONENT_H__
#define __TERRAINCOMPONENT_H__

// Include files
#include "../../dependencies.h"
#include "SceneComponent.h"


// TerrainComponent class
class TerrainComponent : public SceneComponent
{
public:

    // Initialisation and deinitialisation
    TerrainComponent(Entity *parent);
    TerrainComponent(Entity *parent, const std::string &fileName,
                     const vector3df &scale = vector3df(1.0f, 1.0f, 1.0f),
                     const SColor &vertexColor = SColor(255, 255, 255, 255), s32 maxLOD = 5,
                     s32 smoothFactor = 0);
    ~TerrainComponent();

    // Methods
    ITerrainSceneNode* getTerrainSceneNode();

    const aabbox3df& getBoundingBox() const;
    const aabbox3df& getBoundingBox(s32 patchX, s32 patchZ) const;
    f32 getHeight(f32 x, f32 y);
    IMesh* getMesh();
    const vector3df& getTerrainCenter() const;

    bool loadHeightMap(const std::string &fileName, const SColor &vertexColor =
                       SColor(255, 255, 255, 255), s32 smoothFactor = 0);

    void scaleTexture(f32 scale = 1.0f, f32 scale2 = 0.0f);

    // Events
    void onHeightMap(void *p);

    // XML
    static bool parseXML(IXMLReader *file, Entity *entity);

private:

    // Private methods
    void init(const vector3df &scale = vector3df(1.0f, 1.0f, 1.0f),
              const SColor &vertexColor = SColor(255, 255, 255, 255),
              s32 maxLOD = 5, s32 smoothFactor = 0);

    // Private members
    ITerrainSceneNode *mTerrainSN;

    std::string mHeightMapFileName;
    SColor mVertexColor;
    s32 mSmoothFactor;
};

#endif

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