CharacterMove.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 Penumbra Overture.
 */

#ifndef GAME_CHARACTER_MOVE_H
#define GAME_CHARACTER_MOVE_H

#include "hpl1/engine/engine.h"

using namespace hpl;

class iGameEnemy;

#include "hpl1/penumbra-overture/Init.h"

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

class cCharacterMove;

class cCharacterAStarCallback : public iAStarCallback, public iAIFreePathCallback {
public:
    cCharacterAStarCallback(cCharacterMove *apMove);

    bool CanAddNode(cAINode *apParentNode, cAINode *apChildNode);

    bool Intersects(iPhysicsBody *pBody, cPhysicsRayParams *apParams);

    bool mbCheckDynamic;

    cCharacterMove *mpMove;
};

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

class cMoverRayCallback : public iPhysicsRayCallback {
public:
    void Reset();
    bool BeforeIntersect(iPhysicsBody *pBody);
    bool OnIntersect(iPhysicsBody *pBody, cPhysicsRayParams *apParams);

    bool mbIntersection;
};

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

class cCharacterMove {
    friend class cCharacterAStarCallback;

public:
    cCharacterMove(cInit *apInit);
    ~cCharacterMove();

    void Update(float afTimeStep);

    void OnDraw(cInit *apInit);
    void OnPostSceneDraw(iLowLevelGraphics *apLowLevelGfx);

    // Actions
    bool MoveToPos(const cVector3f &avPos);
    void MoveDirectToPos(const cVector3f &avFeetPos, float afTimeStep);

    void TurnToAngle(float afAngle);
    void TurnToPos(const cVector3f &avPos);

    void Stop();

    // Helpers

    bool FreeDirectPathToChar(iCharacterBody *apBody);

    float DistanceToChar(iCharacterBody *apBody);
    float DistanceToChar2D(iCharacterBody *apBody);

    cAINode *GetAINodeInRange(float afMinDistance, float afMaxDistance);
    cAINode *GetAINodeAtPosInRange(const cVector3f &avPos, float afMinDistance, float afMaxDistance,
                                   bool abRayCheck, float afEndOffset);

    // Properties
    bool IsMoving() { return mbMoving; }

    bool IsTurning() { return mbTurning; }

    void SetCharBody(iCharacterBody *apCharBody);
    iCharacterBody *GetCharBody() { return mpCharBody; }

    void SetNodeContainer(cAINodeContainer *apContainer);
    cAINodeContainer *GetNodeContainer() { return mpContainer; }

    void SetAStar(cAStarHandler *apAStar);
    cAStarHandler *GetAStar() { return mpAStar; }

    void SetMaxTurnSpeed(float afX) { mfMaxTurnSpeed = afX; }
    void SetAngleDistTurnMul(float afX) { mfAngleDistTurnMul = afX; };

    void SetMinBreakAngle(float afX) { mfMinBreakAngle = afX; }
    void SetBreakAngleMul(float afX) { mfBreakAngleMul = afX; }

    void SetMaxPushMass(float afX) { mfMaxPushMass = afX; }

    float GetTurnSpeed() { return mfTurnSpeed; }

    const cVector3f &GetGoalPos() { return mvGoalPos; }

    float GetStuckCounter() { return mfStuckCounter; }
    void ResetStuckCounter() { mfStuckCounter = 0; }

    void SetMaxDoorToughness(int alX) { mlMaxDoorToughness = alX; }
    int GetMaxDoorToughness() { return mlMaxDoorToughness; }

private:
    cInit *mpInit;

    iCharacterBody *mpCharBody;

    cAINodeContainer *mpContainer;
    cAStarHandler *mpAStar;
    cBoundingVolume mBoundingVolume;

    tAINodeList mlstNodes;

    bool mbMoving;
    bool mbTurning;

    float mfTurnSpeed;

    cVector3f mvGoalPos;

    float mfGoalAngle;

    float mfStuckCounter;
    float mfStuckLimit;

    Common::List<float> mlstNodeDistances;
    int mlMaxNodeDistances;
    float mfNodeDistAvg;

    // Properties
    float mfMaxTurnSpeed;
    float mfAngleDistTurnMul;

    float mfMinBreakAngle;
    float mfBreakAngleMul;

    float mfMaxPushMass;

    cMoverRayCallback mRayCallback;

    int mlMaxDoorToughness;

    // Debug:
    float mfCurrentBreak;
    cVector3f mvTempStart;
    cVector3f mvTempEnd;

    bool mbMoveToNewNode;

    cCharacterAStarCallback *mpAStarCallback;
};

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

#endif // GAME_CHARACTER_MOVE_H