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Fix out of bounds access of afStarsPositions in TFE Particles.cpp

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same as before for EntitiesMP/Common/Particles.cpp, this time for
the first encounter.
This commit is contained in:
Daniel Gibson 2016-04-20 18:05:43 +02:00
parent 72bd84edb8
commit 64e6b915b7
1 changed files with 8 additions and 8 deletions
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16
Sources/Entities/Common/Particles.cpp
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@ -980,9 +980,9 @@ INDEX Particles_Regeneration(CEntity *pen, FLOAT tmStart, FLOAT tmStop, FLOAT fY
vPos2 = Lerp( vSource, vDestination, fT2); vPos2 = Lerp( vSource, vDestination, fT2);
} }
UBYTE ubR = 192+afStarsPositions[iRnd][1]*64; UBYTE ubR = 192+afStarsPositions[iRnd][0]*64;
UBYTE ubG = 192+afStarsPositions[iRnd][2]*64; UBYTE ubG = 192+afStarsPositions[iRnd][1]*64;
UBYTE ubB = 192+afStarsPositions[iRnd][3]*64; UBYTE ubB = 192+afStarsPositions[iRnd][2]*64;
UBYTE ubA = CalculateRatio( fT, 0.0f, 1.0f, 0.4f, 0.01f)*255; UBYTE ubA = CalculateRatio( fT, 0.0f, 1.0f, 0.4f, 0.01f)*255;
COLOR colLine = RGBToColor( ubR, ubG, ubB) | ubA; COLOR colLine = RGBToColor( ubR, ubG, ubB) | ubA;
@ -1567,7 +1567,7 @@ void Particles_LavaErupting(CEntity *pen, FLOAT fStretchAll, FLOAT fSize,
vPos(2) += (fStretchY+(fStretchY*0.25f*afStarsPositions[iRnd1][1]))*fT-fGA/2.0f*fT*fT; vPos(2) += (fStretchY+(fStretchY*0.25f*afStarsPositions[iRnd1][1]))*fT-fGA/2.0f*fT*fT;
vPos(3) += fRndAppearZ+afStarsPositions[iRnd1][2]*fT*fStretchZ*10; vPos(3) += fRndAppearZ+afStarsPositions[iRnd1][2]*fT*fStretchZ*10;
Particle_RenderSquare( vPos, fSize+afStarsPositions[iRnd2][3]*fSize*0.5f, fRndRotation*300*fT, C_WHITE|CT_OPAQUE); Particle_RenderSquare( vPos, fSize+afStarsPositions[iRnd2][2]*fSize*0.5f, fRndRotation*300*fT, C_WHITE|CT_OPAQUE);
// all done // all done
Particle_Flush(); Particle_Flush();
@ -1713,7 +1713,7 @@ void Particles_Rain(CEntity *pen, FLOAT fGridSize, INDEX ctGrids, FLOAT fFactor,
for( INDEX iZ=0; iZ<ctGrids; iZ++) for( INDEX iZ=0; iZ<ctGrids; iZ++)
{ {
INDEX iRndZ = (ULONG(vPos(3)+iZ)) % CT_MAX_PARTICLES_TABLE; INDEX iRndZ = (ULONG(vPos(3)+iZ)) % CT_MAX_PARTICLES_TABLE;
FLOAT fZOrg = vPos(3) + (iZ+afStarsPositions[iRndZ][3])*fGridSize; FLOAT fZOrg = vPos(3) + (iZ+afStarsPositions[iRndZ][2])*fGridSize;
for( INDEX iX=0; iX<ctGrids; iX++) for( INDEX iX=0; iX<ctGrids; iX++)
{ {
@ -1786,7 +1786,7 @@ void Particles_Snow( CEntity *pen, FLOAT fGridSize, INDEX ctGrids)
for( INDEX iZ=0; iZ<ctGrids; iZ++) for( INDEX iZ=0; iZ<ctGrids; iZ++)
{ {
INDEX iRndZ = (ULONG(vPos(3)+iZ)) % CT_MAX_PARTICLES_TABLE; INDEX iRndZ = (ULONG(vPos(3)+iZ)) % CT_MAX_PARTICLES_TABLE;
FLOAT fZ = vPos(3) + (iZ+afStarsPositions[iRndZ][3])*fGridSize; FLOAT fZ = vPos(3) + (iZ+afStarsPositions[iRndZ][2])*fGridSize;
for( INDEX iX=0; iX<ctGrids; iX++) for( INDEX iX=0; iX<ctGrids; iX++)
{ {
INDEX iRndX = (ULONG(vPos(1)+iX)) % CT_MAX_PARTICLES_TABLE; INDEX iRndX = (ULONG(vPos(1)+iX)) % CT_MAX_PARTICLES_TABLE;
@ -2156,7 +2156,7 @@ void Particles_BulletSpray(CEntity *pen, FLOAT3D vGDir, enum EffectParticlesType
afStarsPositions[ iSpray+iRnd][0]*3.0f* fConeMultiplier, afStarsPositions[ iSpray+iRnd][0]*3.0f* fConeMultiplier,
(afStarsPositions[ iSpray+iRnd][1]+1.0f)*3.0f, (afStarsPositions[ iSpray+iRnd][1]+1.0f)*3.0f,
afStarsPositions[ iSpray+iRnd][2]*3.0f* fConeMultiplier); afStarsPositions[ iSpray+iRnd][2]*3.0f* fConeMultiplier);
FLOAT fSpeedRnd = fSpeedStart+afStarsPositions[ iSpray+iRnd*2][3]; FLOAT fSpeedRnd = fSpeedStart+afStarsPositions[ iSpray+iRnd*2][2];
FLOAT3D vPos = vEntity + (vDirection+vRandomAngle)*(fT*fSpeedRnd)+vGDir*(fT*fT*fGA); FLOAT3D vPos = vEntity + (vDirection+vRandomAngle)*(fT*fSpeedRnd)+vGDir*(fT*fT*fGA);
if( (eptType == EPT_BULLET_WATER) && (vPos(2) < vEntity(2)) ) if( (eptType == EPT_BULLET_WATER) && (vPos(2) < vEntity(2)) )
@ -2294,7 +2294,7 @@ void Particles_EmptyShells( CEntity *pen, ShellLaunchData *asldData)
FLOAT fXF = cos( afStarsPositions[iRnd+2][0]*PI); FLOAT fXF = cos( afStarsPositions[iRnd+2][0]*PI);
FLOAT fAmpl = ClampUp( fT+afStarsPositions[iRnd+1][1]+0.5f, 2.0f)/64; FLOAT fAmpl = ClampUp( fT+afStarsPositions[iRnd+1][1]+0.5f, 2.0f)/64;
FLOAT fFormulae = fAmpl * sin(afStarsPositions[iRnd][2]+fT*afStarsPositions[iRnd][3]*2); FLOAT fFormulae = fAmpl * sin(afStarsPositions[iRnd][1]+fT*afStarsPositions[iRnd][2]*2);
FLOAT fColorFactor = 1.0f; FLOAT fColorFactor = 1.0f;
if( fT>fLife/2) if( fT>fLife/2)