Bone.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_BONE_H
#define HPL_BONE_H
 
#include "common/list.h"
#include "hpl1/engine/graphics/GraphicsTypes.h"
#include "hpl1/engine/math/MathTypes.h"
#include "hpl1/engine/system/SystemTypes.h"
#include "common/stablemap.h"
 
namespace hpl {
 
class cSkeleton;
class cBone;
 
typedef Common::List<cBone *> tBoneList;
typedef tBoneList::iterator tBoneListIt;
 
typedef cSTLIterator<cBone *, tBoneList, tBoneListIt> cBoneIterator;
 
class cBone {
    friend class cSkeleton;
 
public:
    cBone(const tString &asName, cSkeleton *apSkeleton);
    ~cBone();
 
    cBone *CreateChildBone(const tString &asName);
 
    void SetTransform(const cMatrixf &a_mtxTransform);
    const cMatrixf &GetLocalTransform();
    const cMatrixf &GetWorldTransform();
    const cMatrixf &GetInvWorldTransform();
 
    const tString &GetName() { return msName; }
 
    cBoneIterator GetChildIterator();
 
    void Detach();
 
    cBone *GetParent() { return mpParent; }
 
    // Needed for some loading stuff..
    int GetValue() { return mlValue; }
    void SetValue(int alVal) { mlValue = alVal; }
 
private:
    void NeedsUpdate();
 
    void UpdateMatrix();
 
    tString msName;
 
    cMatrixf m_mtxTransform;
 
    cMatrixf m_mtxWorldTransform;
    cMatrixf m_mtxInvWorldTransform;
 
    cBone *mpParent;
    tBoneList mlstChildren;
 
    cSkeleton *mpSkeleton;
 
    bool mbNeedsUpdate;
 
    int mlValue;
};
 
} // namespace hpl
 
#endif // HPL_BONE_H