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

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/*
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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/SprtPrt.h"
extern float a64_fSinTable[64];
/*
--------------------------------------------------------------------------------
-- Description : Global variables
--------------------------------------------------------------------------------
*/
/*
--------------------------------------------------------------------------------
-- Description : Sprite particles creation
--------------------------------------------------------------------------------
-- Creation date : 12 jun 1997 Author : FPI
--------------------------------------------------------------------------------
*/
void PRT_fn_vCreateSpriteParticles ( PRT_tdstParticlesSystem *_p_stParticlesSystem, ACP_tdxHandleOfSprite _hSprite )
{
ACP_tdxHandleOfElement hElementSprite;
ACP_tdxIndex xSpriteIndex;
MTH2D_tdstVector stDefaultSize = { MTH_C_ONE, MTH_C_ONE };
PRT_tdstSpriteCommonData *p_stSpriteCommonData;
_p_stParticlesSystem->xParticlesType = PRT_C_xSpriteParticles;
/* 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_tdstSpriteParticle ) * _p_stParticlesSystem->xNbParticles,
E_uwGEONotEnoughtMemory );
GEO_M_CPAMalloc ( _p_stParticlesSystem->p_stCommonData,
void *,
sizeof ( PRT_tdstSpriteCommonData ),
E_uwGEONotEnoughtMemory );
GEO_vCreateGeometricObject ( &(_p_stParticlesSystem->hParticlesSystemObject), _p_stParticlesSystem->xNbParticles, 1 );
GEO_vCreateElementSprite ( _p_stParticlesSystem->hParticlesSystemObject, &hElementSprite, _p_stParticlesSystem->xNbParticles );
/*ANNECY VL PRT 18/03/98{*/
((GEO_tdstElementSprite *) _p_stParticlesSystem->hParticlesSystemObject->d_stListOfElements[0])->cFastDraw = 1;
/*ENDANNECY VL}*/
for ( xSpriteIndex = 0 ; xSpriteIndex < _p_stParticlesSystem->xNbParticles ; xSpriteIndex ++ )
{
GEO_vSetSizeOfIndexedSprite ( _p_stParticlesSystem->hParticlesSystemObject, hElementSprite, xSpriteIndex, &stDefaultSize );
GEO_vSetCenterPointOfIndexedSprite ( _p_stParticlesSystem->hParticlesSystemObject, hElementSprite, xSpriteIndex, xSpriteIndex );
GEO_vSetHandleOfIndexedSprite ( _p_stParticlesSystem->hParticlesSystemObject, hElementSprite, xSpriteIndex, _hSprite );
}
GEO_vEndCreateObject ( _p_stParticlesSystem->hParticlesSystemObject );
p_stSpriteCommonData = (PRT_tdstSpriteCommonData *)(_p_stParticlesSystem->p_stCommonData);
p_stSpriteCommonData->hSprite = _hSprite;
}
/*
--------------------------------------------------------------------------------
-- Description : Sprite particles destruction
--------------------------------------------------------------------------------
-- Creation date : 12 jun 1997 Author : FPI
--------------------------------------------------------------------------------
*/
#ifndef _FIRE_DEADCODE_U64_ /* Added by RUC */
void PRT_fn_vDestructSpriteParticles ( PRT_tdstParticlesSystem *_p_stParticlesSystem )
{
PRT_tdstSpriteCommonData *p_stSpriteCommonData;
_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;
p_stSpriteCommonData = (PRT_tdstSpriteCommonData *) _p_stParticlesSystem->p_stCommonData;
if ( p_stSpriteCommonData->d_stSpriteData != NULL )
GEO_M_CPAFree ( p_stSpriteCommonData->d_stSpriteData );
GEO_M_CPAFree ( p_stSpriteCommonData );
_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_vSetGameMaterialSpriteParticles ( PRT_tdstParticlesSystem *_p_stParticlesSystem,
GMT_tdxHandleToGameMaterial _hGameMaterial )
{
PRT_tdstSpriteCommonData *p_stSpriteCommonData;
p_stSpriteCommonData = (PRT_tdstSpriteCommonData *)(_p_stParticlesSystem->p_stCommonData);
p_stSpriteCommonData->hMaterial = _hGameMaterial;
}
#endif /* _FIRE_DEADCODE_U64_ */ /* Added by RUC */
/*
--------------------------------------------------------------------------------
-- Description :
--------------------------------------------------------------------------------
-- Creation date : 12 jun 1997 Author : FPI
--------------------------------------------------------------------------------
*/
void PRT_fn_vGenerateSpriteParticle
(
MTH3D_tdstVector *_p_stParticlePosition,
MTH3D_tdstVector *_p_stParticleSpeed,
PRT_tdstSpriteParticle *_p_stSpriteParticle,
PRT_tdstSpriteCommonData *_p_stSpriteCommonData,
PRT_tdstParticlesSource *_p_stParticlesSource,
POS_tdstCompletePosition *_p_stSourceMatrix,
MTH_tdxReal _xTimeT
)
{
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
MTH3D_tdstVector stSpeedVariation;
MTH_tdxReal xC1, xC2, xC3, 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 );
}
/* DeathDate */
if ( _p_stParticlesSource->ucLifeMode == PRT_C_ucNoLifeTime )
{
_p_stSpriteParticle->xDeathDate = MTH_C_InfinitPlus;
}
else if ( _p_stParticlesSource->ucLifeMode == PRT_C_ucConstantLifeTime )
{
_p_stSpriteParticle->xDeathDate = MTH_M_xAdd ( _xTimeT, _p_stParticlesSource->xMinTime );
}
else if ( _p_stParticlesSource->ucLifeMode == PRT_C_ucProbabilistLifeTime )
{
_p_stSpriteParticle->xDeathDate = MTH_M_xAdd ( _xTimeT, RND_fn_xGetRealRandomValue ( 0, _p_stParticlesSource->xMinTime, _p_stParticlesSource->xMaxTime ) );
}
/* particle rotation */
{
static int iRotation = 0;
if (iRotation)
{
_p_stSpriteParticle->a2_cRotateSpeed[0] = (char) (RND_fn_ulGetUnsignedLongRandomValue( 0, 0, 9) - 4 );
_p_stSpriteParticle->a2_cRotateSpeed[1] = (char) (RND_fn_ulGetUnsignedLongRandomValue( 0, 0, 9) - 4 );
}
}
}
/*
--------------------------------------------------------------------------------
Description : add a particle in a particle generator
--------------------------------------------------------------------------------
Creation date : 12 jun 1997 Author : FPI
--------------------------------------------------------------------------------
*/
void PRT_fn_vAddSpriteParticle( tdstParticleGenerator *_p_stPrtGen, MTH3D_tdstVector *_p_stParticlePosition, MTH3D_tdstVector *_p_stParticleSpeed, MTH_tdxReal _xTime )
{
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
MTH3D_tdstVector *p_stVect;
PRT_tdstParticlesSystem *p_stPrtSys;
PRT_tdstParticlesSource *p_stPrtSrc;
PRT_tdstSpriteParticle *p_stSprPrt;
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
p_stPrtSys = _p_stPrtGen->p_stPrtSys;
if (p_stPrtSys->xNbActiveParticles == p_stPrtSys->xNbParticles)
return;
/* DeathDate */
p_stPrtSrc = _p_stPrtGen->p_stPrtSrc;
p_stSprPrt = (PRT_tdstSpriteParticle *)(p_stPrtSys->d_stListOfParticles) + p_stPrtSys->xNbActiveParticles;
if ( p_stPrtSrc->ucLifeMode == PRT_C_ucNoLifeTime )
p_stSprPrt->xDeathDate = MTH_C_InfinitPlus;
else if ( p_stPrtSrc->ucLifeMode == PRT_C_ucConstantLifeTime )
p_stSprPrt->xDeathDate = MTH_M_xAdd ( _xTime, p_stPrtSrc->xMinTime );
else if ( p_stPrtSrc->ucLifeMode == PRT_C_ucProbabilistLifeTime )
p_stSprPrt->xDeathDate = MTH_M_xAdd ( _xTime, RND_fn_xGetRealRandomValue ( 0, p_stPrtSrc->xMinTime, p_stPrtSrc->xMaxTime ) );
p_stVect = p_stPrtSys->hParticlesSystemObject->d_stListOfPoints + p_stPrtSys->xNbActiveParticles;
MTH3D_M_vCopyVector( p_stVect, _p_stParticlePosition );
p_stVect = p_stPrtSys->d_stSpeed + p_stPrtSys->xNbActiveParticles;
MTH3D_M_vCopyVector( p_stVect, _p_stParticleSpeed );
p_stPrtSys->xNbActiveParticles++;
}
/*
--------------------------------------------------------------------------------
-- Description :
--------------------------------------------------------------------------------
-- Creation date : 12 jun 1997 Author : FPI
--------------------------------------------------------------------------------
*/
void PRT_fn_vMecaSpriteParticlesSystem ( tdstParticleGenerator *_p_stPrtGen,MTH_tdxReal _xTimeT,MTH_tdxReal _xDeltaT )
{
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
PRT_tdstSpriteParticle *p_stSpriteParticle, *p_stLastSpriteParticle;
MTH3D_tdstVector *p_stParticlePosition, *p_stLastParticlePosition;
MTH3D_tdstVector *p_stParticleSpeed, *p_stLastParticleSpeed;
ACP_tdxBool bAlivedParticle;
MTH3D_tdstVector stAccelerationVariation;
PRT_tdstParticlesEnvironment *p_stPrtEnv;
PRT_tdstParticlesSystem *p_stPrtSys;
/*XB980505*/
/* GEO_tdstIndexedSprite *p_stGeoSprite, *p_stLastGeoSprite;*/
GEO_tdstIndexedSprite *p_stGeoSprite, *p_stLastGeoSprite=NULL;
/*End XB*/
PRT_tdstSpriteData *p_stSprData;
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
p_stPrtEnv = _p_stPrtGen->p_stPrtEnv;
p_stPrtSys = _p_stPrtGen->p_stPrtSys;
p_stSpriteParticle = (PRT_tdstSpriteParticle *)(p_stPrtSys->d_stListOfParticles);
p_stLastSpriteParticle = p_stSpriteParticle + p_stPrtSys->xNbActiveParticles;
p_stParticlePosition = p_stPrtSys->hParticlesSystemObject->d_stListOfPoints;
p_stLastParticlePosition = p_stParticlePosition + p_stPrtSys->xNbActiveParticles;
p_stParticleSpeed = p_stPrtSys->d_stSpeed;
p_stLastParticleSpeed = p_stParticleSpeed + p_stPrtSys->xNbActiveParticles;
if (PRT_fn_cSystemIsMultipleSprites( p_stPrtSys) )
{
p_stGeoSprite = ((GEO_tdstElementSprite *) p_stPrtSys->hParticlesSystemObject->d_stListOfElements[0])->d_stListOfSprites;
p_stLastGeoSprite = p_stGeoSprite + p_stPrtSys->xNbActiveParticles;
}
else
p_stGeoSprite = NULL;
while ( p_stSpriteParticle != p_stLastSpriteParticle )
{
/* first test death date */
bAlivedParticle = MTH_M_bGreater ( p_stSpriteParticle->xDeathDate, _xTimeT );
if (bAlivedParticle)
{
/* appliquer la meca */
/* vecteur variation de l acceleration */
MTH3D_M_vSetVectorElements
(
&stAccelerationVariation,
RND_fn_xGetRealRandomValue ( 0, MTH_M_xNeg ( p_stPrtEnv->xAccelerationRange ), p_stPrtEnv->xAccelerationRange ),
RND_fn_xGetRealRandomValue ( 0, MTH_M_xNeg ( p_stPrtEnv->xAccelerationRange ), p_stPrtEnv->xAccelerationRange ),
RND_fn_xGetRealRandomValue ( 0, MTH_M_xNeg ( p_stPrtEnv->xAccelerationRange ), p_stPrtEnv->xAccelerationRange )
);
MTH3D_M_vAddVector ( &stAccelerationVariation, &(p_stPrtEnv->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_stPrtEnv->ulEnvType == PRT_C_ulAlignedBoxEnv ) ?
INT_fn_bGetInclusionPointInBox ( p_stParticlePosition, &(p_stPrtEnv->stMinPoint), &(p_stPrtEnv->stMaxPoint) ) :
INT_fn_bGetInclusionPointInSphere ( p_stParticlePosition,&(p_stPrtEnv->stSphereCenter),p_stPrtEnv->xRadius );
}
if ( bAlivedParticle )
{
/*
* treatment on alive particle that have not to be done to death particles
*/
/* rotation */
if (p_stSpriteParticle->a2_cRotateSpeed[0])
{
p_stSpriteParticle->a2_ucRotateAngle[0] += p_stSpriteParticle->a2_cRotateSpeed[0];
p_stGeoSprite->stSize.xX = p_stSpriteParticle->stSize.xX * a64_fSinTable[ p_stSpriteParticle->a2_ucRotateAngle[0] & 0x3F ] / 2;
}
if (p_stSpriteParticle->a2_cRotateSpeed[1])
{
p_stSpriteParticle->a2_ucRotateAngle[1] += p_stSpriteParticle->a2_cRotateSpeed[1];
p_stGeoSprite->stSize.xY = p_stSpriteParticle->stSize.xY * a64_fSinTable[ p_stSpriteParticle->a2_ucRotateAngle[1] & 0x3F ] / 2;
}
/* change sprite */
if ( p_stGeoSprite && MTH_M_bGreater( _xTimeT, p_stSpriteParticle->xChangeSpriteDate ) )
{
p_stSprData = ((PRT_tdstSpriteCommonData *) p_stPrtSys->p_stCommonData)->d_stSpriteData + p_stSpriteParticle->cNextSpriteIndex;
p_stGeoSprite->hSprite = p_stSprData->hSprite;
if ( p_stSprData->xTime < 0 )
p_stSpriteParticle->xChangeSpriteDate = MTH_C_InfinitPlus;
else
{
p_stSpriteParticle->xChangeSpriteDate = _xTimeT + p_stSprData->xTime;
p_stSpriteParticle->cNextSpriteIndex = p_stSprData->cNextSprite;
}
}
/*
* goto next particle
*/
p_stSpriteParticle ++;
p_stParticlePosition ++;
p_stParticleSpeed ++;
if (p_stGeoSprite)
p_stGeoSprite++;
}
else
{
p_stPrtSys->xNbActiveParticles --;
p_stLastSpriteParticle --;
/*
* If there's a linked generator add this particle to linked generator
*/
if (_p_stPrtGen->p_stLinkedPrtGen)
{
if (_p_stPrtGen->ulLinkedPrtGenMask & 1 )
MTH3D_M_vNullVector( p_stParticleSpeed );
PRT_fn_vAddSpriteParticle( _p_stPrtGen->p_stLinkedPrtGen, p_stParticlePosition, p_stParticleSpeed, _xTimeT );
}
if ( p_stSpriteParticle != p_stLastSpriteParticle )
{
*p_stSpriteParticle = *p_stLastSpriteParticle;
p_stLastParticlePosition --;
*p_stParticlePosition = *p_stLastParticlePosition;
p_stLastParticleSpeed --;
*p_stParticleSpeed = *p_stLastParticleSpeed;
if (p_stGeoSprite)
p_stGeoSprite->hSprite = (--p_stLastGeoSprite)->hSprite;
}
}
}
}
/*
--------------------------------------------------------------------------------
-- Description :
--------------------------------------------------------------------------------
-- Creation date : 12 jun 1997 Author : FPI
--------------------------------------------------------------------------------
*/
void PRT_fn_vSourceGenerateSpriteParticle
(
PRT_tdstParticlesSystem *_p_stParticlesSystem,
PRT_tdstParticlesSource *_p_stParticlesSource,
POS_tdstCompletePosition *_p_stSourceMatrix,
MTH_tdxReal _xTimeT
)
{
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
PRT_tdstSpriteParticle *p_stSpriteParticle;
MTH3D_tdstVector *p_stParticlePosition;
MTH3D_tdstVector *p_stParticleSpeed;
ACP_tdxIndex xNbParticlesToInject;
ACP_tdxIndex xIndex;
ACP_tdxIndex xSpriteIndex;
PRT_tdstSpriteCommonData *p_stSpriteCommonData;
PRT_tdstSpriteData *p_stSprData;
char cProba;
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
/* generation de particules ? */
if ( PRT_fn_bComputeParticlesGeneration ( _p_stParticlesSource ) )
{
xNbParticlesToInject = (ACP_tdxIndex) MTH_M_xRealToLong ( MTH_M_xMul ( MTH_M_xLongToReal ( PRT_fn_xComputeNbParticlesToInject ( _p_stParticlesSource ) ), PRT_g_xNbParticlesFactor ) );
if ( xNbParticlesToInject > 0 )
{
if ( _p_stParticlesSystem->xNbActiveParticles + xNbParticlesToInject > _p_stParticlesSystem->xNbParticles )
{
xNbParticlesToInject = _p_stParticlesSystem->xNbParticles - _p_stParticlesSystem->xNbActiveParticles;
}
p_stSpriteCommonData = (PRT_tdstSpriteCommonData *)(_p_stParticlesSystem->p_stCommonData);
p_stSpriteParticle = (PRT_tdstSpriteParticle *)(_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;
xSpriteIndex = _p_stParticlesSystem->xNbActiveParticles;
_p_stParticlesSystem->xNbActiveParticles += xNbParticlesToInject;
for ( xIndex = 0 ; xIndex < xNbParticlesToInject ; xIndex ++ )
{
/* reset meca */
PRT_fn_vGenerateSpriteParticle
(
p_stParticlePosition,
p_stParticleSpeed,
p_stSpriteParticle,
p_stSpriteCommonData,
_p_stParticlesSource,
_p_stSourceMatrix,
_xTimeT
);
/* special for multi sprite particles : to be deplaced in generation part code */
if ( (p_stSprData = p_stSpriteCommonData->d_stSpriteData) != NULL )
{
cProba = (char) RND_fn_ulGetUnsignedLongRandomValue( 0, 0, 100 );
while (p_stSprData->cProba <= cProba )
p_stSprData++;
GEO_vSetHandleOfIndexedSprite( _p_stParticlesSystem->hParticlesSystemObject, 0, xSpriteIndex, p_stSprData->hSprite );
if (p_stSprData->xTime < 0)
p_stSpriteParticle->xChangeSpriteDate = MTH_C_InfinitPlus;
else
{
p_stSpriteParticle->xChangeSpriteDate = _xTimeT + p_stSprData->xTime;
p_stSpriteParticle->cNextSpriteIndex = p_stSprData->cNextSprite;
}
xSpriteIndex++;
}
/* end multi sprite special code */
p_stSpriteParticle ++;
p_stParticlePosition ++;
p_stParticleSpeed ++;
}
}
}
}
/*
--------------------------------------------------------------------------------
-- Description :
--------------------------------------------------------------------------------
-- Creation date : 12 jun 1997 Author : FPI
--------------------------------------------------------------------------------
*/
void PRT_fn_vPreDrawSpriteParticlesSystem ( PRT_tdstParticlesSystem *_p_stParticlesSystem )
{
_p_stParticlesSystem->hParticlesSystemObject->xNbPoints = _p_stParticlesSystem->xNbActiveParticles;
((GEO_tdstElementSprite *)(_p_stParticlesSystem->hParticlesSystemObject->d_stListOfElements[0]))->xNbSprites = _p_stParticlesSystem->xNbActiveParticles;
}
/*ANNECY VL PRT 30/03/98{*/
/*
----------------------------------------------------------------------------------------
Description : create multiple sprites particles system
_p_stPrtSys -> system
_xNbSprites -> number of different sprites
----------------------------------------------------------------------------------------
*/
#ifndef _FIRE_DEADCODE_U64_ /* Added by RUC */
void PRT_fn_vCreateMultipleSpritesParticles( PRT_tdstParticlesSystem *_p_stPrtSys, ACP_tdxIndex _xNbSprites )
{
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
PRT_tdstSpriteCommonData *p_stSprCommonData;
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
_p_stPrtSys->xParticlesType = PRT_C_xSpriteParticles;
/* Table de vitesse de particules */
GEO_M_CPAMalloc ( _p_stPrtSys->d_stSpeed, MTH3D_tdstVector *, sizeof ( MTH3D_tdstVector ) * _p_stPrtSys->xNbParticles, E_uwGEONotEnoughtMemory );
/* list of sprite particles */
GEO_M_CPAMalloc ( _p_stPrtSys->d_stListOfParticles, void *, sizeof ( PRT_tdstSpriteParticle ) * _p_stPrtSys->xNbParticles, E_uwGEONotEnoughtMemory );
/* common data for sprite system */
GEO_M_CPAMalloc ( _p_stPrtSys->p_stCommonData, void *, sizeof ( PRT_tdstSpriteCommonData ), E_uwGEONotEnoughtMemory );
p_stSprCommonData = (PRT_tdstSpriteCommonData *)(_p_stPrtSys->p_stCommonData);
/* common data for sprite system */
GEO_M_CPAMalloc ( p_stSprCommonData->d_stSpriteData, PRT_tdstSpriteData *, _xNbSprites * sizeof( PRT_tdstSpriteData ), E_uwGEONotEnoughtMemory );
p_stSprCommonData->xNumberOfSprites = 0;
}
/*
----------------------------------------------------------------------------------------
Description : end creation of multiple sprite particles system (create geom object)
_p_stPrtSys -> system
----------------------------------------------------------------------------------------
*/
void PRT_fn_vEndCreateMultipleSpritesParticles( PRT_tdstParticlesSystem *_p_stPrtSys )
{
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
ACP_tdxHandleOfElement hElementSprite;
ACP_tdxIndex xSpriteIndex;
MTH2D_tdstVector stDefaultSize = { MTH_C_ONE, MTH_C_ONE };
PRT_tdstSpriteCommonData *p_stSprCommonData;
PRT_tdstSpriteParticle *p_stSprParticle;
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
if (_p_stPrtSys->xParticlesType != PRT_C_xSpriteParticles )
return;
GEO_vCreateGeometricObject ( &(_p_stPrtSys->hParticlesSystemObject), _p_stPrtSys->xNbParticles, 1 );
GEO_vCreateElementSprite ( _p_stPrtSys->hParticlesSystemObject, &hElementSprite, _p_stPrtSys->xNbParticles );
((GEO_tdstElementSprite *) _p_stPrtSys->hParticlesSystemObject->d_stListOfElements[0])->cFastDraw = 1;
p_stSprCommonData = (PRT_tdstSpriteCommonData *) _p_stPrtSys->p_stCommonData;
p_stSprParticle = _p_stPrtSys->d_stListOfParticles;
for ( xSpriteIndex = 0 ; xSpriteIndex < _p_stPrtSys->xNbParticles ; xSpriteIndex ++, p_stSprParticle++ )
{
GEO_vSetSizeOfIndexedSprite ( _p_stPrtSys->hParticlesSystemObject, hElementSprite, xSpriteIndex, &stDefaultSize );
GEO_vSetCenterPointOfIndexedSprite ( _p_stPrtSys->hParticlesSystemObject, hElementSprite, xSpriteIndex, xSpriteIndex );
GEO_vSetHandleOfIndexedSprite ( _p_stPrtSys->hParticlesSystemObject, hElementSprite, xSpriteIndex, p_stSprCommonData->d_stSpriteData[ xSpriteIndex % p_stSprCommonData->xNumberOfSprites ].hSprite );
p_stSprParticle->stSize = stDefaultSize;
}
GEO_vEndCreateObject ( _p_stPrtSys->hParticlesSystemObject );
}
#endif /* _FIRE_DEADCODE_U64_ */ /* Added by RUC */
/*
----------------------------------------------------------------------------------------
Description : Test if system is a multiple sprite particle system
_p_stPrtSys -> system
Returns (char ) : 0 if false, otherwise 0
----------------------------------------------------------------------------------------
*/
char PRT_fn_cSystemIsMultipleSprites( PRT_tdstParticlesSystem *_p_stPrtSys )
{
if (_p_stPrtSys->xParticlesType != PRT_C_xSpriteParticles )
return 0;
return ( ((PRT_tdstSpriteCommonData *) _p_stPrtSys->p_stCommonData)->d_stSpriteData != NULL );
}
/*
----------------------------------------------------------------------------------------
Description : add a sprite in a multiple sprite particle system
_p_stPrtSys -> system
_hSprite -> sprite
----------------------------------------------------------------------------------------
*/
#ifndef _FIRE_DEADCODE_U64_ /* Added by RUC */
void PRT_fn_vAddSprite( PRT_tdstParticlesSystem *_p_stPrtSys, ACP_tdxHandleOfSprite _hSprite )
{
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
PRT_tdstSpriteCommonData *p_stSpriteCommonData;
PRT_tdstSpriteData *p_stSprData;
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
if (_p_stPrtSys->xParticlesType != PRT_C_xSpriteParticles )
return;
p_stSpriteCommonData = (PRT_tdstSpriteCommonData *) _p_stPrtSys->p_stCommonData;
p_stSprData = p_stSpriteCommonData->d_stSpriteData + p_stSpriteCommonData->xNumberOfSprites++;
p_stSprData->hSprite = _hSprite;
if (p_stSpriteCommonData->xNumberOfSprites == 1)
{
p_stSprData->cProba = 100;
p_stSprData->xTime = 2;
p_stSprData->cNextSprite = 1;
}
else if (p_stSpriteCommonData->xNumberOfSprites == 5)
{
p_stSprData->cProba = 0;
p_stSprData->xTime = 0.1f;
p_stSprData->cNextSprite = 0;
}
else
{
p_stSprData->cProba = 0;
p_stSprData->xTime = 0.1f;
p_stSprData->cNextSprite = (char)(p_stSpriteCommonData->xNumberOfSprites);
}
}
#endif /* _FIRE_DEADCODE_U64_ */ /* Added by RUC */
#endif /* D_THROW_PRT */
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