ITerrainSceneNode.h

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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h

// The code for the TerrainSceneNode is based on the terrain renderer by
// Soconne and the GeoMipMapSceneNode developed by Spintz. They made their
// code available for Irrlicht and allowed it to be distributed under this
// licence. I only modified some parts. A lot of thanks go to them.

#ifndef __I_TERRAIN_SCENE_NODE_H__
#define __I_TERRAIN_SCENE_NODE_H__

#include "ETerrainElements.h"
#include "ISceneNode.h"
#include "IDynamicMeshBuffer.h"
#include "irrArray.h"

namespace irr
{
namespace io
{
    class IReadFile;
} // end namespace io
namespace scene
{
    class IMesh;


    class ITerrainSceneNode : public ISceneNode
    {
    public:
        ITerrainSceneNode(ISceneNode* parent, ISceneManager* mgr, s32 id,
            const core::vector3df& position = core::vector3df(0.0f, 0.0f, 0.0f),
            const core::vector3df& rotation = core::vector3df(0.0f, 0.0f, 0.0f),
            const core::vector3df& scale = core::vector3df(1.0f, 1.0f, 1.0f) )
            : ISceneNode (parent, mgr, id, position, rotation, scale) {}


        virtual const core::aabbox3d<f32>& getBoundingBox() const =0;


        virtual const core::aabbox3d<f32>& getBoundingBox(s32 patchX, s32 patchZ) const =0;


        virtual u32 getIndexCount() const =0;


        virtual IMesh* getMesh() =0;

        virtual IMeshBuffer* getRenderBuffer() =0;



        virtual void getMeshBufferForLOD(IDynamicMeshBuffer& mb, s32 LOD=0) const =0;


        virtual s32 getIndicesForPatch(core::array<u32>& indices,
            s32 patchX, s32 patchZ, s32 LOD=0) =0;


        virtual s32 getCurrentLODOfPatches(core::array<s32>& LODs) const =0;


        virtual void setLODOfPatch(s32 patchX, s32 patchZ, s32 LOD=0) =0;

        virtual const core::vector3df& getTerrainCenter() const =0;

        virtual f32 getHeight(f32 x, f32 y) const =0;


        virtual void setCameraMovementDelta(f32 delta) =0;


        virtual void setCameraRotationDelta(f32 delta) =0;


        virtual void setDynamicSelectorUpdate(bool bVal) =0;


        virtual bool overrideLODDistance(s32 LOD, f64 newDistance) =0;


        virtual void scaleTexture(f32 scale = 1.0f, f32 scale2=0.0f) =0;


        virtual bool loadHeightMap(io::IReadFile* file, 
            video::SColor vertexColor=video::SColor(255,255,255,255),
            s32 smoothFactor=0) =0;


        virtual bool loadHeightMapRAW(io::IReadFile* file, s32 bitsPerPixel=16,
            bool signedData=false, bool floatVals=false, s32 width=0,
            video::SColor vertexColor=video::SColor(255,255,255,255),
            s32 smoothFactor=0) =0;

    };

} // end namespace scene
} // end namespace irr


#endif // __I_TERRAIN_SCENE_NODE_H__