Beam.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/>.
 *
 */

/*
 * Copyright (C) 2006-2010 - Frictional Games
 *
 * This file is part of HPL1 Engine.
 */

#ifndef HPL_BEAM_H
#define HPL_BEAM_H

#include "RenderList.h"
#include "hpl1/engine/graphics/GraphicsTypes.h"
#include "hpl1/engine/graphics/Renderable.h"
#include "hpl1/engine/math/MathTypes.h"
#include "hpl1/engine/scene/Entity3D.h"
#include "hpl1/engine/system/SystemTypes.h"

namespace hpl {

class cMaterialManager;
class cResources;
class cGraphics;
class cFileSearcher;
class iLowLevelGraphics;
class iMaterial;
class iVertexBuffer;

//------------------------------------------

class cBeam;
class cBeamEnd : public iEntity3D {
    friend class cBeam;
    friend class cBeamEnd_UpdateCallback;

public:
    cBeamEnd(const tString asName, cBeam *apBeam) : iEntity3D(asName),
                                                    mColor(1, 1), mpBeam(apBeam) {}

    void SetColor(const cColor &aColor);
    const cColor &GetColor() { return mColor; }

    // Entity implementation
    tString GetEntityType() { return "BeamEnd"; }

private:
    cColor mColor;
    cBeam *mpBeam;
};

//------------------------------------------

class cBeamEnd_UpdateCallback : public iEntityCallback {
public:
    void OnTransformUpdate(iEntity3D *apEntity);
};

//------------------------------------------

class cBeam : public iRenderable {
    typedef iRenderable super;
    friend class cBeamEnd;

public:
    cBeam(const tString asName, cResources *apResources, cGraphics *apGraphics);
    ~cBeam();

    void SetMaterial(iMaterial *apMaterial);

    const tString &GetFileName() { return msFileName; }

    void SetSize(const cVector2f &avSize);
    cVector2f GetSize() { return mvSize; }

    void SetColor(const cColor &aColor);
    const cColor &GetColor() { return mColor; }

    void SetTileHeight(bool abX);
    bool GetTileHeight() { return mbTileHeight; }

    void SetMultiplyAlphaWithColor(bool abX);
    bool GetMultiplyAlphaWithColor() { return mbMultiplyAlphaWithColor; }

    cBeamEnd *GetEnd() { return mpEnd; }

    bool LoadXMLProperties(const tString asFile);

    cVector3f GetAxis() { return mvAxis; }
    cVector3f GetMidPosition() { return mvMidPosition; }

    // Entity implementation
    tString GetEntityType() { return "Beam"; }

    bool IsVisible();
    void SetVisible(bool abVisible) { SetRendered(abVisible); }

    // Renderable implementations
    iMaterial *GetMaterial() { return mpMaterial; }
    iVertexBuffer *GetVertexBuffer() { return mpVtxBuffer; }

    void UpdateGraphics(cCamera3D *apCamera, float afFrameTime, cRenderList *apRenderList);

    bool IsShadowCaster() { return false; }

    cBoundingVolume *GetBoundingVolume();

    cMatrixf *GetModelMatrix(cCamera3D *apCamera);

    int GetMatrixUpdateCount();

    eRenderableType GetRenderType() { return eRenderableType_ParticleSystem; }

private:
    cMaterialManager *mpMaterialManager;
    cFileSearcher *mpFileSearcher;
    iLowLevelGraphics *mpLowLevelGraphics;

    iMaterial *mpMaterial;
    iVertexBuffer *mpVtxBuffer;

    cBeamEnd *mpEnd;

    tString msFileName;

    int mlStartTransformCount;
    int mlEndTransformCount;

    cMatrixf m_mtxTempTransform;

    int mlLastRenderCount;

    cBeamEnd_UpdateCallback mEndCallback;

    cVector2f mvSize;

    cVector3f mvAxis;
    cVector3f mvMidPosition;

    bool mbTileHeight;
    bool mbMultiplyAlphaWithColor;

    cColor mColor;
};

} // namespace hpl

#endif // HPL_BEAM_H