Body2D.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_BODY_H
#define HPL_BODY_H

#include "hpl1/engine/math/MathTypes.h"

#include "common/list.h"
#include "hpl1/engine/scene/Entity2D.h"
#include "common/stablemap.h"

namespace hpl {

class cMesh2D;
class cNode2D;
class cCollider2D;
class cCollisionMesh2D;

class cBody2D;

typedef Common::List<cBody2D *> tBody2DList;
typedef tBody2DList::iterator tBody2DListIt;

class cBody2D : public iEntity2D {
public:
    cBody2D(const tString &asName, cMesh2D *apMesh, cVector2f avSize, cCollider2D *apCollider, int alID);
    ~cBody2D();

    const cRect2f &GetBoundingBox();
    bool UpdateBoundingBox();

    void Move(float afValue);

    void UpdateLogic(float afTimeStep);

    tString GetEntityType() { return "Body"; };

    cVector3f &GetPosition() { return mvPosition; }
    cVector3f &GetLastPosition() { return mvLastPosition; }
    void ResetLastPosition() { mvLastPosition = mvPosition; }

    float GetVelocity();
    float GetMaxVelocity() { return mfMaxVel; }
    float GetAcceleration() { return mfAcc; }
    float GetGravity() { return mfGravity; }
    float GetMaxGravityVel() { return mfMaxGravityVel; }
    bool GetCollidable() { return mbCollidable; }
    bool GetCollides() { return mbCollides; }
    float GetAirFriction() { return mfAirFriction; }
    float GetGroundFriction() { return mfGroundFriction; }
    const cVector2f &GetSize() { return mvSize; }

    const cVector3f &GetMovement() { return mvMovement; }

    void SetMaxVelocity(float afMaxVel) { mfMaxVel = afMaxVel; }
    void SetAcceleration(float afAcc) { mfAcc = afAcc; }
    void SetGravity(float afGravity) { mfGravity = afGravity; }
    void SetMaxGravityVel(float afMaxGravityVel) { mfMaxGravityVel = afMaxGravityVel; }
    void SetCollidable(bool abCollidable) { mbCollidable = abCollidable; }
    void SetCollides(bool abCollides) { mbCollides = abCollides; }
    void SetAirFriction(float afAirFriction) { mfAirFriction = afAirFriction; }
    void SetGroundFriction(float afGroundFriction) { mfGroundFriction = afGroundFriction; }

    void AddForce(float afAngle, float afStrength);
    void AddForce(const cVector2f &avForce);

    void SetForce(float afAngle, float afStrength);
    void SetForce(const cVector2f &avForce);

    const cVector2f &GetForce() const { return mvForce; }

    void SetCollideFlag(tFlag alFlag) { mlCollideFlag = alFlag; }
    tFlag GetCollideFlag() { return mlCollideFlag; }

    void SetAttachToGround(bool abX) { mbAttachToGround = abX; }
    bool GetAttachToGround() { return mbAttachToGround; }

    void SetAttachBodies(bool abX) { mbAttachBodies = abX; }
    bool GetAttachBodies() { return mbAttachBodies; }

    void AttachBody(cBody2D *apBody);
    void DetachBody(cBody2D *apBody);
    void SetParentBody(cBody2D *apBody);

    void SetCollideType(tFlag alFlag) { mlCollideType = alFlag; }
    tFlag GetCollideType() { return mlCollideType; }

    void AttachNode(cNode2D *apNode) { mpNode = apNode; }
    void DetachNode() { mpNode = NULL; }

    int GetID() { return mlID; }

    bool OnGround() { return mbOnGround; }

    void UpdateCollisionMesh();
    cCollisionMesh2D *GetCollisionMesh();

private:
    float mfMaxVel;
    float mfAcc;
    float mfGravity;
    float mfMaxGravityVel;
    float mfAirFriction;
    float mfGroundFriction;

    bool mbCollides;
    bool mbCollidable;
    bool mbMoved;

    cVector3f mvMovement;

    bool mbAttachToGround;
    bool mbAttachBodies;
    tBody2DList mlstAttachedBodies;
    cBody2D *mpParentBody;

    int mlID;

    tFlag mlCollideFlag;
    tFlag mlCollideType;

    cMesh2D *mpMesh;
    cCollider2D *mpCollider;
    cNode2D *mpNode;

    cCollisionMesh2D *mpCollMesh;
    cCollisionMesh2D *mpBaseCollMesh;

    bool mbOnGround;
    bool mbGroundFrictionX;
    bool mbGroundFrictionY;

    cVector2f mvForce;
    cVector2f mvSize;

    cVector2l mvCollideCount;
    cVector2f mvLastCollidePos;

    void AddPosXY(cVector2f avPosAdd);
};

} // namespace hpl

#endif // HPL_BODY_H