reman3/Rayman_X/cpa/tempgrp/PRT/PointPrt.c

357 lines
16 KiB
C

/*
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-- Description : Particles system
--------------------------------------------------------------------------------
-- Creation date : 12 jun 1997 Author : FPI
--------------------------------------------------------------------------------
*/
#ifndef D_THROW_PRT
#include "acp_base.h"
#include "MTH.h"
#include "RND.h"
#include "MEC.h"
#include "GMT.h"
#include "GEO.h"
#include "GLI.h"
#include "COL.h"
#include "PRT/PointPrt.h"
/*
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-- Description : Global variables
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*/
/*
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-- Description : Point particles creation
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-- Creation date : 12 jun 1997 Author : FPI
--------------------------------------------------------------------------------
*/
void PRT_fn_vCreatePointParticles ( PRT_tdstParticlesSystem *_p_stParticlesSystem,
GMT_tdxHandleToGameMaterial _hMaterial )
{
ACP_tdxHandleOfElement hElementPoint;
ACP_tdxIndex xPointIndex;
GEO_tdstColor stColor;
PRT_tdstPointCommonData *p_stPointCommonData;
_p_stParticlesSystem->xParticlesType = PRT_C_xPointParticles;
/* Table de vitesse de particules */
GEO_M_CPAMalloc ( _p_stParticlesSystem->d_stSpeed,
MTH3D_tdstVector *,
sizeof ( MTH3D_tdstVector ) * _p_stParticlesSystem->xNbParticles,
E_uwGEONotEnoughtMemory );
GEO_M_CPAMalloc ( _p_stParticlesSystem->d_stListOfParticles,
void *,
sizeof ( PRT_tdstPointParticle ) * _p_stParticlesSystem->xNbParticles,
E_uwGEONotEnoughtMemory );
GEO_M_CPAMalloc ( _p_stParticlesSystem->p_stCommonData,
void *,
sizeof ( PRT_tdstPointCommonData ),
E_uwGEONotEnoughtMemory );
stColor.xR = 1.0f;
stColor.xG = 1.0f;
stColor.xB = 1.0f;
stColor.xA = 1.0f;
GEO_vCreateGeometricObject ( &(_p_stParticlesSystem->hParticlesSystemObject), _p_stParticlesSystem->xNbParticles, 1 );
GEO_xCreateElementPoints ( _p_stParticlesSystem->hParticlesSystemObject, &hElementPoint, _p_stParticlesSystem->xNbParticles );
GEO_xSetGameMaterialOfElementPoints ( _p_stParticlesSystem->hParticlesSystemObject, hElementPoint, _hMaterial );
for ( xPointIndex = 0 ; xPointIndex < _p_stParticlesSystem->xNbParticles ; xPointIndex ++ )
{
GEO_xSetIndexOfElementPoints ( _p_stParticlesSystem->hParticlesSystemObject, hElementPoint, xPointIndex, xPointIndex );
}
GEO_vEndCreateObject ( _p_stParticlesSystem->hParticlesSystemObject );
p_stPointCommonData = (PRT_tdstPointCommonData *)(_p_stParticlesSystem->p_stCommonData);
p_stPointCommonData->hMaterial = _hMaterial;
}
/*
--------------------------------------------------------------------------------
-- Description : Point particles destruction
--------------------------------------------------------------------------------
-- Creation date : 12 jun 1997 Author : FPI
--------------------------------------------------------------------------------
*/
#ifndef _FIRE_DEADCODE_U64_ /* Added by RUC */
void PRT_fn_vDestructPointParticles ( PRT_tdstParticlesSystem *_p_stParticlesSystem )
{
_p_stParticlesSystem->xParticlesType = PRT_C_xNullParticles;
/* Table de vitesse de particules */
GEO_M_CPAFree ( _p_stParticlesSystem->d_stSpeed );
_p_stParticlesSystem->d_stSpeed = NULL;
GEO_M_CPAFree ( _p_stParticlesSystem->d_stListOfParticles );
_p_stParticlesSystem->d_stListOfParticles = NULL;
GEO_M_CPAFree ( _p_stParticlesSystem->p_stCommonData );
_p_stParticlesSystem->p_stCommonData = NULL;
GEO_vDeleteGeometricObject ( &(_p_stParticlesSystem->hParticlesSystemObject) );
_p_stParticlesSystem->hParticlesSystemObject = NULL;
}
/*
--------------------------------------------------------------------------------
-- Description :
--------------------------------------------------------------------------------
-- Creation date : 12 jun 1997 Author : FPI
--------------------------------------------------------------------------------
*/
void PRT_fn_vSetGameMaterialPointParticles ( PRT_tdstParticlesSystem *_p_stParticlesSystem,
GMT_tdxHandleToGameMaterial _hGameMaterial )
{
PRT_tdstPointCommonData *p_stPointCommonData;
p_stPointCommonData = (PRT_tdstPointCommonData *)(_p_stParticlesSystem->p_stCommonData);
p_stPointCommonData->hMaterial = _hGameMaterial;
}
#endif /* _FIRE_DEADCODE_U64_ */ /* Added by RUC */
/*
--------------------------------------------------------------------------------
-- Description :
--------------------------------------------------------------------------------
-- Creation date : 12 jun 1997 Author : FPI
--------------------------------------------------------------------------------
*/
void PRT_fn_vGeneratePointParticle ( MTH3D_tdstVector *_p_stParticlePosition,
MTH3D_tdstVector *_p_stParticleSpeed,
PRT_tdstPointParticle *_p_stPointParticle,
PRT_tdstPointCommonData *_p_stPointCommonData,
PRT_tdstParticlesSource *_p_stParticlesSource,
POS_tdstCompletePosition *_p_stSourceMatrix,
MTH_tdxReal _xTimeT )
{
MTH3D_tdstVector stSpeedVariation;
MTH_tdxReal xC1;
MTH_tdxReal xC2;
MTH_tdxReal xC3;
MTH_tdxReal xC4;
MTH3D_tdstVector stTrans;
/* vecteur variation de vitesse */
MTH3D_M_vSetVectorElements ( &stSpeedVariation,
RND_fn_xGetRealRandomValue ( 0, MTH_M_xNeg ( _p_stParticlesSource->xSpeedRange ), _p_stParticlesSource->xSpeedRange ),
RND_fn_xGetRealRandomValue ( 0, MTH_M_xNeg ( _p_stParticlesSource->xSpeedRange ), _p_stParticlesSource->xSpeedRange ),
RND_fn_xGetRealRandomValue ( 0, MTH_M_xNeg ( _p_stParticlesSource->xSpeedRange ), _p_stParticlesSource->xSpeedRange ) );
/* vitesse initiale */
MTH3D_M_vMullAddVector ( _p_stParticleSpeed, _p_stParticlesSource->xSpeed, &(_p_stParticlesSource->stNormal), &stSpeedVariation );
if ( (_p_stParticlesSource->ucLinkMode == PRT_C_ucRotationLink) || (_p_stParticlesSource->ucLinkMode == PRT_C_ucRotAndTransLink) )
{
POS_fn_vMulMatrixVector ( _p_stParticleSpeed, _p_stSourceMatrix, _p_stParticleSpeed );
}
/* position initiale */
if ( _p_stParticlesSource->ucGeometryMode == PRT_C_ucPoint )
{
MTH3D_M_vCopyVector ( _p_stParticlePosition, &(_p_stParticlesSource->stVertex1) );
}
else
if ( _p_stParticlesSource->ucGeometryMode == PRT_C_ucQuad )
{
/* genere les deux parametres */
xC2 = RND_fn_xGetRealRandomValue ( 0, MTH_C_ZERO, MTH_C_ONE );
xC3 = RND_fn_xGetRealRandomValue ( 0, MTH_C_ZERO, MTH_C_ONE );
xC1 = MTH_M_xSub ( MTH_M_xSub ( MTH_C_ONE, xC2 ), xC3 );
_p_stParticlePosition->xX = xC1*_p_stParticlesSource->stVertex1.xX + xC2*_p_stParticlesSource->stVertex2.xX + xC3*_p_stParticlesSource->stVertex3.xX;
_p_stParticlePosition->xY = xC1*_p_stParticlesSource->stVertex1.xY + xC2*_p_stParticlesSource->stVertex2.xY + xC3*_p_stParticlesSource->stVertex3.xY;
_p_stParticlePosition->xZ = xC1*_p_stParticlesSource->stVertex1.xZ + xC2*_p_stParticlesSource->stVertex2.xZ + xC3*_p_stParticlesSource->stVertex3.xZ;
}
else
if ( _p_stParticlesSource->ucGeometryMode == PRT_C_ucParallelepipede )
{
/* genere les deux parametres */
xC2 = RND_fn_xGetRealRandomValue ( 0, MTH_C_ZERO, MTH_C_ONE );
xC3 = RND_fn_xGetRealRandomValue ( 0, MTH_C_ZERO, MTH_C_ONE );
xC4 = RND_fn_xGetRealRandomValue ( 0, MTH_C_ZERO, MTH_C_ONE );
xC1 = MTH_M_xSub ( MTH_M_xSub ( MTH_M_xSub ( MTH_C_ONE, xC2 ), xC3 ), xC4 );
_p_stParticlePosition->xX = xC1*_p_stParticlesSource->stVertex1.xX + xC2*_p_stParticlesSource->stVertex2.xX + xC3*_p_stParticlesSource->stVertex3.xX + xC4*_p_stParticlesSource->stVertex4.xX;
_p_stParticlePosition->xY = xC1*_p_stParticlesSource->stVertex1.xY + xC2*_p_stParticlesSource->stVertex2.xY + xC3*_p_stParticlesSource->stVertex3.xY + xC4*_p_stParticlesSource->stVertex4.xY;
_p_stParticlePosition->xZ = xC1*_p_stParticlesSource->stVertex1.xZ + xC2*_p_stParticlesSource->stVertex2.xZ + xC3*_p_stParticlesSource->stVertex3.xZ + xC4*_p_stParticlesSource->stVertex4.xZ;
}
if ( _p_stParticlesSource->ucLinkMode == PRT_C_ucRotAndTransLink )
{
POS_fn_vMulMatrixVertex( _p_stParticlePosition, _p_stSourceMatrix, _p_stParticlePosition );
}
else
if ( _p_stParticlesSource->ucLinkMode == PRT_C_ucTranslationLink )
{
POS_fn_vGetTranslationVector( _p_stSourceMatrix, &stTrans );
MTH3D_M_vAddVector ( _p_stParticlePosition, &stTrans, _p_stParticlePosition );
}
else
if ( _p_stParticlesSource->ucLinkMode == PRT_C_ucRotationLink )
{
POS_fn_vMulMatrixVector ( _p_stParticlePosition, _p_stSourceMatrix, _p_stParticlePosition );
}
/* BirthDate */
/* p_stBubbleParticle->xBirthDate = xTimeT;*/
}
/*
--------------------------------------------------------------------------------
-- Description :
--------------------------------------------------------------------------------
-- Creation date : 12 jun 1997 Author : FPI
--------------------------------------------------------------------------------
*/
void PRT_fn_vMecaPointParticlesSystem ( PRT_tdstParticlesSystem *_p_stParticlesSystem,
PRT_tdstParticlesEnvironment *_p_stParticlesEnvironment,
MTH_tdxReal _xTimeT,
MTH_tdxReal _xDeltaT )
{
PRT_tdstPointParticle *p_stPointParticle;
PRT_tdstPointParticle *p_stLastPointParticle;
MTH3D_tdstVector *p_stParticlePosition;
MTH3D_tdstVector *p_stLastParticlePosition;
MTH3D_tdstVector *p_stParticleSpeed;
MTH3D_tdstVector *p_stLastParticleSpeed;
ACP_tdxBool bAlivedParticle;
MTH3D_tdstVector stAccelerationVariation;
p_stPointParticle = (PRT_tdstPointParticle *)(_p_stParticlesSystem->d_stListOfParticles);
p_stLastPointParticle = p_stPointParticle + _p_stParticlesSystem->xNbActiveParticles;
p_stParticlePosition = _p_stParticlesSystem->hParticlesSystemObject->d_stListOfPoints;
p_stLastParticlePosition = p_stParticlePosition + _p_stParticlesSystem->xNbActiveParticles;
p_stParticleSpeed = _p_stParticlesSystem->d_stSpeed;
p_stLastParticleSpeed = p_stParticleSpeed + _p_stParticlesSystem->xNbActiveParticles;
while ( p_stPointParticle != p_stLastPointParticle )
{
/* appliquer la meca */
/* vecteur variation de l acceleration */
MTH3D_M_vSetVectorElements ( &stAccelerationVariation,
RND_fn_xGetRealRandomValue ( 0, MTH_M_xNeg ( _p_stParticlesEnvironment->xAccelerationRange ), _p_stParticlesEnvironment->xAccelerationRange ),
RND_fn_xGetRealRandomValue ( 0, MTH_M_xNeg ( _p_stParticlesEnvironment->xAccelerationRange ), _p_stParticlesEnvironment->xAccelerationRange ),
RND_fn_xGetRealRandomValue ( 0, MTH_M_xNeg ( _p_stParticlesEnvironment->xAccelerationRange ), _p_stParticlesEnvironment->xAccelerationRange ) );
MTH3D_M_vAddVector ( &stAccelerationVariation, &(_p_stParticlesEnvironment->stAcceleration), &stAccelerationVariation );
/* Vit t = f( Vit t-1, Pos t-1, Accel t ) */
MTH3D_M_vMullAddVector ( p_stParticleSpeed, _xDeltaT, &stAccelerationVariation, p_stParticleSpeed );
/* Pos t = f( Vit t, Pos t-1, Accel t ) */
MTH3D_M_vMullAddVector ( p_stParticlePosition, _xDeltaT, p_stParticleSpeed, p_stParticlePosition );
bAlivedParticle = ( _p_stParticlesEnvironment->ulEnvType == PRT_C_ulAlignedBoxEnv ) ?
INT_fn_bGetInclusionPointInBox ( p_stParticlePosition,
&(_p_stParticlesEnvironment->stMinPoint),
&(_p_stParticlesEnvironment->stMaxPoint) ) :
INT_fn_bGetInclusionPointInSphere ( p_stParticlePosition,
&(_p_stParticlesEnvironment->stSphereCenter),
_p_stParticlesEnvironment->xRadius );
if ( bAlivedParticle )
{
p_stPointParticle ++;
p_stParticlePosition ++;
p_stParticleSpeed ++;
}
else
{
_p_stParticlesSystem->xNbActiveParticles --;
p_stLastPointParticle --;
if ( p_stPointParticle != p_stLastPointParticle )
{
*p_stPointParticle = *p_stLastPointParticle;
p_stLastParticlePosition --;
*p_stParticlePosition = *p_stLastParticlePosition;
p_stLastParticleSpeed --;
*p_stParticleSpeed = *p_stLastParticleSpeed;
}
}
}
}
/*
--------------------------------------------------------------------------------
-- Description :
--------------------------------------------------------------------------------
-- Creation date : 12 jun 1997 Author : FPI
--------------------------------------------------------------------------------
*/
void PRT_fn_vSourceGeneratePointParticle ( PRT_tdstParticlesSystem *_p_stParticlesSystem,
PRT_tdstParticlesSource *_p_stParticlesSource,
POS_tdstCompletePosition *_p_stSourceMatrix,
MTH_tdxReal _xTimeT )
{
PRT_tdstPointParticle *p_stPointParticle;
MTH3D_tdstVector *p_stParticlePosition;
MTH3D_tdstVector *p_stParticleSpeed;
ACP_tdxIndex xNbParticlesToInject;
ACP_tdxIndex xIndex;
/* generation de particules ? */
if ( PRT_fn_bComputeParticlesGeneration ( _p_stParticlesSource ) )
{
/*ANNECY VL PRT 18/03/98{*/
xNbParticlesToInject = (ACP_tdxIndex) MTH_M_xRealToLong ( MTH_M_xMul ( MTH_M_xLongToReal ( PRT_fn_xComputeNbParticlesToInject ( _p_stParticlesSource ) ), PRT_g_xNbParticlesFactor ) );
/*ENDANNECY VL}*/
if ( xNbParticlesToInject > 0 )
{
if ( _p_stParticlesSystem->xNbActiveParticles + xNbParticlesToInject > _p_stParticlesSystem->xNbParticles )
{
xNbParticlesToInject = _p_stParticlesSystem->xNbParticles - _p_stParticlesSystem->xNbActiveParticles;
}
p_stPointParticle = (PRT_tdstPointParticle *)(_p_stParticlesSystem->d_stListOfParticles) + _p_stParticlesSystem->xNbActiveParticles;
p_stParticlePosition = _p_stParticlesSystem->hParticlesSystemObject->d_stListOfPoints + _p_stParticlesSystem->xNbActiveParticles;
p_stParticleSpeed = _p_stParticlesSystem->d_stSpeed + _p_stParticlesSystem->xNbActiveParticles;
_p_stParticlesSystem->xNbActiveParticles += xNbParticlesToInject;
for ( xIndex = 0 ; xIndex < xNbParticlesToInject ; xIndex ++ )
{
/* reset meca */
PRT_fn_vGeneratePointParticle ( p_stParticlePosition, p_stParticleSpeed,
p_stPointParticle, (PRT_tdstPointCommonData *)(_p_stParticlesSystem->p_stCommonData),
_p_stParticlesSource, _p_stSourceMatrix, _xTimeT );
p_stPointParticle ++;
p_stParticlePosition ++;
p_stParticleSpeed ++;
}
}
}
}
/*
--------------------------------------------------------------------------------
-- Description :
--------------------------------------------------------------------------------
-- Creation date : 12 jun 1997 Author : FPI
--------------------------------------------------------------------------------
*/
void PRT_fn_vPreDrawPointParticlesSystem ( PRT_tdstParticlesSystem *_p_stParticlesSystem )
{
_p_stParticlesSystem->hParticlesSystemObject->xNbPoints = _p_stParticlesSystem->xNbActiveParticles;
((GEO_tdstElementPoints *)(_p_stParticlesSystem->hParticlesSystemObject->d_stListOfElements[0]))->xNbPoints = _p_stParticlesSystem->xNbActiveParticles;
}
#endif /* D_THROW_PRT */