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2026-02-02 04:50:13 +01:00

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C++

/* 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_PHYSICS_JOINT_H
#define HPL_PHYSICS_JOINT_H
#include "hpl1/engine/math/MathTypes.h"
#include "hpl1/engine/system/SystemTypes.h"
#include "common/stablemap.h"
#include "hpl1/engine/game/SaveGame.h"
#include "hpl1/engine/physics/PhysicsController.h"
namespace hpl {
class iPhysicsBody;
class iPhysicsWorld;
class cSoundEntity;
class iPhysicsJoint;
class iPhysicsController;
typedef Common::StableMap<tString, iPhysicsController *> tPhysicsControllerMap;
typedef tPhysicsControllerMap::iterator tPhysicsControllerMapIt;
typedef cSTLMapIterator<iPhysicsController *, tPhysicsControllerMap, tPhysicsControllerMapIt> cPhysicsControllerIterator;
//-----------------------------------
enum ePhysicsJointType {
ePhysicsJointType_Ball,
ePhysicsJointType_Hinge,
ePhysicsJointType_Slider,
ePhysicsJointType_Screw,
ePhysicsJointType_LastEnum
};
//-----------------------------------
enum ePhysicsJointSpeed {
ePhysicsJointSpeed_Linear,
ePhysicsJointSpeed_Angular,
ePhysicsJointSpeed_LastEnum
};
//-----------------------------------
class cJointLimitEffect : public iSerializable {
kSerializableClassInit(cJointLimitEffect) public : tString msSound;
float mfMinSpeed;
float mfMaxSpeed;
};
//-----------------------------------
class iPhysicsJointCallback {
public:
virtual ~iPhysicsJointCallback() {}
virtual void OnMinLimit(iPhysicsJoint *apJoint) = 0;
virtual void OnMaxLimit(iPhysicsJoint *apJoint) = 0;
// Ugly trick to support joint script callback.
virtual bool IsScript() { return false; }
};
//-----------------------------------
kSaveData_BaseClass(iPhysicsJoint) {
kSaveData_ClassInit(iPhysicsJoint) public : tString msName;
int mlParentBodyId;
int mlChildBodyId;
cMatrixf m_mtxParentBodySetup;
cMatrixf m_mtxChildBodySetup;
cVector3f mvPinDir;
cVector3f mvStartPivotPoint;
cContainerList<cSaveData_iPhysicsController> mlstControllers;
cJointLimitEffect mMaxLimit;
cJointLimitEffect mMinLimit;
tString msMoveSound;
float mfMinMoveSpeed;
float mfMinMoveFreq;
float mfMinMoveFreqSpeed;
float mfMinMoveVolume;
float mfMaxMoveFreq;
float mfMaxMoveFreqSpeed;
float mfMaxMoveVolume;
float mfMiddleMoveSpeed;
float mfMiddleMoveVolume;
int mMoveSpeedType;
bool mbBreakable;
float mfBreakForce;
tString msBreakSound;
bool mbBroken;
tString msCallbackMaxFunc;
tString msCallbackMinFunc;
bool mbAutoDeleteCallback;
};
//-----------------------------------
class iPhysicsJoint : public iSaveObject {
typedef iSaveObject super;
public:
iPhysicsJoint(const tString &asName, iPhysicsBody *apParentBody, iPhysicsBody *apChildBody,
iPhysicsWorld *apWorld, const cVector3f &avPivotPoint);
virtual ~iPhysicsJoint();
const tString &GetName() { return msName; }
iPhysicsBody *GetParentBody() { return mpParentBody; }
iPhysicsBody *GetChildBody() { return mpChildBody; }
void RemoveBody(iPhysicsBody *apBody);
cVector3f GetPivotPoint() { return mvPivotPoint; }
cVector3f GetPinDir() { return mvPinDir; }
virtual ePhysicsJointType GetType() = 0;
virtual void SetCollideBodies(bool abX) = 0;
virtual bool GetCollideBodies() = 0;
virtual void SetStiffness(float afX) = 0;
virtual float GetStiffness() = 0;
virtual cVector3f GetVelocity() = 0;
virtual cVector3f GetAngularVelocity() = 0;
virtual cVector3f GetForce() = 0;
virtual float GetDistance() = 0;
virtual float GetAngle() = 0;
cJointLimitEffect *GetMaxLimit() { return &mMaxLimit; }
cJointLimitEffect *GetMinLimit() { return &mMinLimit; }
void SetMoveSound(tString &asName) { msMoveSound = asName; }
void SetMoveSpeedType(ePhysicsJointSpeed aType) { mMoveSpeedType = aType; }
void SetMinMoveSpeed(float afX) { mfMinMoveSpeed = afX; }
void SetMinMoveFreq(float afX) { mfMinMoveFreq = afX; }
void SetMinMoveFreqSpeed(float afX) { mfMinMoveFreqSpeed = afX; }
void SetMinMoveVolume(float afX) { mfMinMoveVolume = afX; }
void SetMaxMoveFreq(float afX) { mfMaxMoveFreq = afX; }
void SetMaxMoveVolume(float afX) { mfMaxMoveVolume = afX; }
void SetMaxMoveFreqSpeed(float afX) { mfMaxMoveFreqSpeed = afX; }
void SetMiddleMoveSpeed(float afX) { mfMiddleMoveSpeed = afX; }
void SetMiddleMoveVolume(float afX) { mfMiddleMoveVolume = afX; }
void SetCallback(iPhysicsJointCallback *apCallback, bool abAutoDelete) {
mpCallback = apCallback;
mbAutoDeleteCallback = abAutoDelete;
}
iPhysicsJointCallback *GetCallback() { return mpCallback; }
bool CheckBreakage();
void SetBreakable(bool abX) { mbBreakable = abX; }
bool IsBreakable() { return mbBreakable; }
void SetBreakForce(float afForce) { mfBreakForce = afForce; }
float GetBreakForce() { return mfBreakForce; }
void SetBreakSound(const tString &asSound) { msBreakSound = asSound; }
void SetLimitAutoSleep(bool abX) { mbLimitAutoSleep = abX; }
void SetLimitAutoSleepDist(float afX) { mfLimitAutoSleepDist = afX; }
void SetLimitAutoSleepNumSteps(int alX) { mlLimitAutoSleepNumSteps = alX; }
bool GetLimitAutoSleep() { return mbLimitAutoSleep; }
float GetLimitAutoSleepDist() { return mfLimitAutoSleepDist; }
int GetLimitAutoSleepNumSteps() { return mlLimitAutoSleepNumSteps; }
void SetStickyMinDistance(float afX) { mfStickyMinDistance = afX; }
void SetStickyMaxDistance(float afX) { mfStickyMaxDistance = afX; }
float GetStickyMinDistance() { return mfStickyMinDistance; }
float GetStickyMaxDistance() { return mfStickyMaxDistance; }
void Break();
bool IsBroken() { return mbBroken; }
void SetUserData(void *apUserData) { mpUserData = apUserData; }
void AddController(iPhysicsController *apController);
iPhysicsController *GetController(const tString &asName);
bool ChangeController(const tString &asName);
cPhysicsControllerIterator GetControllerIterator();
void SetAllControllersPaused(bool abX);
void OnPhysicsUpdate();
void SetSound(cSoundEntity *apSound) { mpSound = apSound; }
cSoundEntity *GetSound() { return mpSound; }
// SaveObject implementation
virtual iSaveData *CreateSaveData();
virtual void SaveToSaveData(iSaveData *apSaveData);
virtual void LoadFromSaveData(iSaveData *apSaveData);
virtual void SaveDataSetup(cSaveObjectHandler *apSaveObjectHandler, cGame *apGame);
protected:
tString msName;
iPhysicsBody *mpParentBody;
iPhysicsBody *mpChildBody;
iPhysicsWorld *mpWorld;
cMatrixf m_mtxParentBodySetup;
cMatrixf m_mtxChildBodySetup;
cVector3f mvPinDir;
cVector3f mvPivotPoint;
cVector3f mvStartPivotPoint;
cVector3f mvLocalPivot;
float mfStickyMinDistance;
float mfStickyMaxDistance;
tPhysicsControllerMap m_mapControllers;
cJointLimitEffect mMaxLimit;
cJointLimitEffect mMinLimit;
int mlSpeedCount;
cMatrixf m_mtxPrevChild;
cMatrixf m_mtxPrevParent;
tString msMoveSound;
float mfMinMoveSpeed;
float mfMinMoveFreq;
float mfMinMoveFreqSpeed;
float mfMinMoveVolume;
float mfMaxMoveFreq;
float mfMaxMoveFreqSpeed;
float mfMaxMoveVolume;
float mfMiddleMoveSpeed;
float mfMiddleMoveVolume;
ePhysicsJointSpeed mMoveSpeedType;
bool mbBreakable;
float mfBreakForce;
tString msBreakSound;
bool mbBroken;
bool mbLimitAutoSleep;
float mfLimitAutoSleepDist;
int mlLimitAutoSleepNumSteps;
cSoundEntity *mpSound;
bool mbHasCollided;
iPhysicsJointCallback *mpCallback;
bool mbAutoDeleteCallback;
int mlLimitStepCount;
void *mpUserData;
static void CheckLimitAutoSleep(iPhysicsJoint *apJoint, const float afMin, const float afMax,
const float afDist);
void OnMaxLimit();
void OnMinLimit();
void OnNoLimit();
void CalcSoundFreq(float afSpeed, float *apFreq, float *apVol);
void LimitEffect(cJointLimitEffect *pEffect);
};
} // namespace hpl
#endif // HPL_PHYSICS_JOINT_H