Torque3D/Engine/source/T3D/rigidShape.h
2016-01-21 19:05:48 -06:00

300 lines
8.7 KiB
C++

//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#ifndef _RIGIDSHAPE_H_
#define _RIGIDSHAPE_H_
#ifndef _SHAPEBASE_H_
#include "T3D/shapeBase.h"
#endif
#ifndef _RIGID_H_
#include "T3D/rigid.h"
#endif
#ifndef _BOXCONVEX_H_
#include "collision/boxConvex.h"
#endif
class ParticleEmitter;
class ParticleEmitterData;
class ClippedPolyList;
class RigidShapeData : public ShapeBaseData
{
typedef ShapeBaseData Parent;
protected:
bool onAdd();
//-------------------------------------- Console set variables
public:
struct Body
{
enum Sounds
{
SoftImpactSound,
HardImpactSound,
MaxSounds,
};
SFXTrack* sound[MaxSounds];
F32 restitution;
F32 friction;
} body;
enum RigidShapeConsts
{
VC_NUM_DUST_EMITTERS = 1,
VC_NUM_BUBBLE_EMITTERS = 1,
VC_NUM_SPLASH_EMITTERS = 2,
VC_BUBBLE_EMITTER = VC_NUM_BUBBLE_EMITTERS,
};
enum Sounds
{
ExitWater,
ImpactSoft,
ImpactMedium,
ImpactHard,
Wake,
MaxSounds
};
SFXTrack* waterSound[MaxSounds];
F32 exitSplashSoundVel;
F32 softSplashSoundVel;
F32 medSplashSoundVel;
F32 hardSplashSoundVel;
F32 minImpactSpeed;
F32 softImpactSpeed;
F32 hardImpactSpeed;
F32 minRollSpeed;
bool cameraRoll; ///< Roll the 3rd party camera
F32 cameraLag; ///< Amount of camera lag (lag += car velocity * lag)
F32 cameraDecay; ///< Rate at which camera returns to target pos.
F32 cameraOffset; ///< Vertical offset
F32 minDrag;
F32 maxDrag;
S32 integration; ///< # of physics steps per tick
F32 collisionTol; ///< Collision distance tolerance
F32 contactTol; ///< Contact velocity tolerance
Point3F massCenter; ///< Center of mass for rigid body
Point3F massBox; ///< Size of inertial box
ParticleEmitterData * dustEmitter;
S32 dustID;
F32 triggerDustHeight; ///< height shape has to be under to kick up dust
F32 dustHeight; ///< dust height above ground
ParticleEmitterData* splashEmitterList[VC_NUM_SPLASH_EMITTERS];
S32 splashEmitterIDList[VC_NUM_SPLASH_EMITTERS];
F32 splashFreqMod;
F32 splashVelEpsilon;
F32 dragForce;
F32 vertFactor;
ParticleEmitterData * dustTrailEmitter;
S32 dustTrailID;
//-------------------------------------- load set variables
public:
RigidShapeData();
~RigidShapeData();
static void initPersistFields();
void packData(BitStream*);
void unpackData(BitStream*);
bool preload(bool server, String &errorStr);
DECLARE_CONOBJECT(RigidShapeData);
};
//----------------------------------------------------------------------------
class RigidShape: public ShapeBase
{
typedef ShapeBase Parent;
private:
RigidShapeData* mDataBlock;
SimObjectPtr<ParticleEmitter> mDustTrailEmitter;
protected:
enum MaskBits {
PositionMask = Parent::NextFreeMask << 0,
EnergyMask = Parent::NextFreeMask << 1,
FreezeMask = Parent::NextFreeMask << 2,
ForceMoveMask = Parent::NextFreeMask << 3,
NextFreeMask = Parent::NextFreeMask << 4
};
void updateDustTrail( F32 dt );
struct StateDelta
{
Move move; ///< Last move from server
F32 dt; ///< Last interpolation time
// Interpolation data
Point3F pos;
Point3F posVec;
QuatF rot[2];
// Warp data
S32 warpTicks; ///< Number of ticks to warp
S32 warpCount; ///< Current pos in warp
Point3F warpOffset;
QuatF warpRot[2];
//
Point3F cameraOffset;
Point3F cameraVec;
Point3F cameraRot;
Point3F cameraRotVec;
};
StateDelta mDelta;
S32 mPredictionCount; ///< Number of ticks to predict
bool inLiquid;
Point3F mCameraOffset; ///< 3rd person camera
// Rigid Body
bool mDisableMove;
CollisionList mCollisionList;
CollisionList mContacts;
ShapeBaseConvex mConvex;
S32 restCount;
SimObjectPtr<ParticleEmitter> mDustEmitterList[RigidShapeData::VC_NUM_DUST_EMITTERS];
SimObjectPtr<ParticleEmitter> mSplashEmitterList[RigidShapeData::VC_NUM_SPLASH_EMITTERS];
GFXStateBlockRef mSolidSB;
//
bool onNewDataBlock( GameBaseData *dptr, bool reload );
void updatePos(F32 dt);
bool updateCollision(F32 dt);
bool resolveCollision(Rigid& ns,CollisionList& cList);
bool resolveContacts(Rigid& ns,CollisionList& cList,F32 dt);
bool resolveDisplacement(Rigid& ns,CollisionState *state,F32 dt);
bool findContacts(Rigid& ns,CollisionList& cList);
void checkTriggers();
static void findCallback(SceneObject* obj,void * key);
void setPosition(const Point3F& pos,const QuatF& rot);
void setRenderPosition(const Point3F& pos,const QuatF& rot);
void setTransform(const MatrixF& mat);
// virtual bool collideBody(const MatrixF& mat,Collision* info) = 0;
void updateMove(const Move* move);
void writePacketData(GameConnection * conn, BitStream *stream);
void readPacketData (GameConnection * conn, BitStream *stream);
void updateLiftoffDust( F32 dt );
void updateWorkingCollisionSet(const U32 mask);
U32 getCollisionMask();
void updateFroth( F32 dt );
bool collidingWithWater( Point3F &waterHeight );
void _renderMassAndContacts( ObjectRenderInst *ri, SceneRenderState *state, BaseMatInstance *overrideMat );
void updateForces(F32);
public:
// Test code...
static ClippedPolyList* sPolyList;
Rigid mRigid;
//
RigidShape();
~RigidShape();
static void initPersistFields();
void processTick(const Move *move);
bool onAdd();
void onRemove();
/// Interpolates between move ticks @see processTick
/// @param dt Change in time between the last call and this call to the function
void interpolateTick(F32 dt);
void advanceTime(F32 dt);
/// Disables collisions for this shape
void disableCollision();
/// Enables collisions for this shape
void enableCollision();
/// Returns the velocity of the shape
Point3F getVelocity() const;
void setEnergyLevel(F32 energy);
void prepBatchRender( SceneRenderState *state, S32 mountedImageIndex );
// xgalaxy cool hacks
void reset();
void freezeSim(bool frozen);
///@name Rigid body methods
///@{
/// This method will get the velocity of the object, taking into account
/// angular velocity.
/// @param r Point on the object you want the velocity of, relative to Center of Mass
/// @param vel Velocity (out)
void getVelocity(const Point3F& r, Point3F* vel);
/// Applies an impulse force
/// @param r Point on the object to apply impulse to, r is relative to Center of Mass
/// @param impulse Impulse vector to apply.
void applyImpulse(const Point3F &r, const Point3F &impulse);
/// Forces the client to jump to the RigidShape's transform rather
/// then warp to it.
void forceClientTransform();
void getCameraParameters(F32 *min, F32* max, Point3F* offset, MatrixF* rot);
void getCameraTransform(F32* pos, MatrixF* mat);
///@}
U32 packUpdate (NetConnection *conn, U32 mask, BitStream *stream);
void unpackUpdate(NetConnection *conn, BitStream *stream);
DECLARE_CONOBJECT(RigidShape);
DECLARE_CALLBACK( void, onEnterLiquid, ( const char* objId, F32 waterCoverage, const char* liquidType ));
DECLARE_CALLBACK( void, onLeaveLiquid, ( const char* objId, const char* liquidType ));
};
#endif