SubMesh.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_SUB_MESH_H
#define HPL_SUB_MESH_H

#include "hpl1/engine/graphics/GraphicsTypes.h"
#include "hpl1/engine/math/MathTypes.h"
#include "hpl1/engine/math/MeshTypes.h"
#include "hpl1/engine/system/SystemTypes.h"

namespace hpl {

class iMaterial;
class iVertexBuffer;

class cMesh;

class cMaterialManager;

class cSubMesh {
    friend class cMesh;
    friend class cSubMeshEntity;

public:
    cSubMesh(const tString &asName, cMaterialManager *apMaterialManager);
    ~cSubMesh();

    void SetMaterial(iMaterial *apMaterial);
    void SetVertexBuffer(iVertexBuffer *apVtxBuffer);

    // Renderable implementation.
    iMaterial *GetMaterial();
    iVertexBuffer *GetVertexBuffer();

    tString GetName() { return msName; }

    // Vertex-Bone pairs
    void ResizeVertexBonePairs(int alSize);
    int GetVertexBonePairNum();
    cVertexBonePair &GetVertexBonePair(int alNum);

    void AddVertexBonePair(const cVertexBonePair &aPair);
    void ClearVertexBonePairs();

    void CompileBonePairs();

    const cTriEdge &GetEdge(int alIndex) const { return mvEdges[alIndex]; }
    int GetEdgeNum() { return (int)mvEdges.size(); }

    tTriEdgeVec *GetEdgeVecPtr() { return &mvEdges; }

    tTriangleDataVec *GetTriangleVecPtr() { return &mvTriangles; }

    void SetDoubleSided(bool abX) { mbDoubleSided = abX; }
    bool GetDoubleSided() { return mbDoubleSided; }

    const tString &GetGroup() { return msGroup; }
    void SetGroup(const tString &asGroup) { msGroup = asGroup; }

    const tString &GetNodeName() { return msNodeName; }
    void SetNodeName(const tString &asNodeName) { msNodeName = asNodeName; }

    void SetModelScale(const cVector3f &avScale) { mvModelScale = avScale; }
    cVector3f GetModelScale() { return mvModelScale; }

    const cMatrixf &GetLocalTransform() { return m_mtxLocalTransform; }
    void SetLocalTransform(const cMatrixf &a_mtxTrans) { m_mtxLocalTransform = a_mtxTrans; }

    bool GetIsOneSided() { return mbIsOneSided; }
    const cVector3f &GetOneSidedNormal() { return mvOneSidedNormal; }

    void Compile();

private:
    void CheckOneSided();

    iMaterial *mpMaterial;
    iVertexBuffer *mpVtxBuffer;

    cMatrixf m_mtxLocalTransform;

    tVertexBonePairVec mvVtxBonePairs;

    tString msGroup;
    tString msNodeName;

    float *mpVertexWeights;
    unsigned char *mpVertexBones;

    tTriEdgeVec mvEdges;
    tTriangleDataVec mvTriangles;

    cVector3f mvModelScale;

    tString msName;

    bool mbDoubleSided;

    bool mbIsOneSided;
    cVector3f mvOneSidedNormal;

    cMaterialManager *mpMaterialManager;

    cMesh *mpParent;
};

} // namespace hpl

#endif // HPL_SUB_MESH_H