// -----------------------------------------------------------------------------
//check if a particular refP on a CWall is a transparent pixel
//returns 1 if can pass though the CWall, else 0
int CSide::CheckForTranspPixel (CFixVector& intersection, short iFace)
{
fix u, v;
int nTranspType;
HitPointUV (&u, &v, NULL, intersection, iFace); // Don't compute light value.
if (m_nOvlTex) {
nTranspType = PixelTranspType (m_nOvlTex, m_nOvlOrient, m_nFrame, u, v);
if (nTranspType < 0)
return 1;
if (!nTranspType)
return 0;
}
nTranspType = PixelTranspType (m_nBaseTex, 0, m_nFrame, u, v) != 0;
return nTranspType;
}
// -----------------------------------------------------------------------------
//if an effect is hit, and it can blow up, then blow it up
//returns true if it blew up
int CSegment::CheckEffectBlowup (int nSide, CFixVector& vHit, CObject* blowerP, int bForceBlowup)
{
int tm, tmf, ec, nBitmap = 0;
int bOkToBlow = 0, nSwitchType = -1;
short nSound, bPermaTrigger;
ubyte vc;
fix u, v;
fix xDestSize;
tEffectClip* ecP = NULL;
CBitmap* bmP;
CWall* wallP;
CTrigger* trigP;
CObject* parentP = (!blowerP || (blowerP->cType.laserInfo.parent.nObject < 0)) ? NULL : OBJECTS + blowerP->cType.laserInfo.parent.nObject;
// If this CWall has a CTrigger and the blowerP-upper is not the CPlayerData or the buddy, abort!
if (parentP) {
if ((parentP->info.nType == OBJ_ROBOT) && ROBOTINFO (parentP->info.nId).companion)
bOkToBlow = 1;
if (!(bOkToBlow || (parentP->info.nType == OBJ_PLAYER)) &&
((wallP = Wall (nSide)) && (wallP->nTrigger < gameData.trigs.m_nTriggers)))
return 0;
}
if (!(tm = m_sides [nSide].m_nOvlTex))
return 0;
tmf = m_sides [nSide].m_nOvlOrient; //tm flags
ec = gameData.pig.tex.tMapInfoP [tm].nEffectClip;
if (ec < 0) {
if (gameData.pig.tex.tMapInfoP [tm].destroyed == -1)
return 0;
nBitmap = -1;
nSwitchType = 0;
}
else {
ecP = gameData.eff.effectP + ec;
if (ecP->flags & EF_ONE_SHOT)
return 0;
nBitmap = ecP->nDestBm;
if (nBitmap < 0)
return 0;
nSwitchType = 1;
}
//check if it's an animation (monitor) or casts light
bmP = gameData.pig.tex.bitmapP + gameData.pig.tex.bmIndexP [tm].index;
LoadBitmap (gameData.pig.tex.bmIndexP [tm].index, gameStates.app.bD1Data);
//this can be blown up...did we hit it?
if (!bForceBlowup) {
HitPointUV (nSide, &u, &v, NULL, vHit, 0); //evil: always say face zero
bForceBlowup = !PixelTranspType (tm, tmf, m_sides [nSide].m_nFrame, u, v);
}
if (!bForceBlowup)
return 0;
if (IsMultiGame && netGame.bIndestructibleLights && !nSwitchType)
return 0;
//note: this must get called before the texture changes,
//because we use the light value of the texture to change
//the static light in the CSegment
wallP = Wall (nSide);
bPermaTrigger = (trigP = Trigger (nSide)) && (trigP->flags & TF_PERMANENT);
if (!bPermaTrigger)
SubtractLight (Index (), nSide);
if (gameData.demo.nState == ND_STATE_RECORDING)
NDRecordEffectBlowup (Index (), nSide, vHit);
if (nSwitchType) {
xDestSize = ecP->xDestSize;
vc = ecP->nDestVClip;
}
else {
xDestSize = I2X (20);
vc = 3;
}
/*Object*/CreateExplosion (short (Index ()), vHit, xDestSize, vc);
if (nSwitchType) {
if ((nSound = gameData.eff.vClipP [vc].nSound) != -1)
audio.CreateSegmentSound (nSound, Index (), 0, vHit);
if ((nSound = ecP->nSound) != -1) //kill sound
audio.DestroySegmentSound (Index (), nSide, nSound);
if (!bPermaTrigger && (ecP->nDestEClip != -1) && (gameData.eff.effectP [ecP->nDestEClip].nSegment == -1)) {
tEffectClip *newEcP = gameData.eff.effectP + ecP->nDestEClip;
int nNewBm = newEcP->changingWallTexture;
if (ChangeTextures (-1, nNewBm)) {
newEcP->xTimeLeft = EffectFrameTime (newEcP);
newEcP->nCurFrame = 0;
newEcP->nSegment = Index ();
newEcP->nSide = nSide;
newEcP->flags |= EF_ONE_SHOT | ecP->flags;
newEcP->flags &= ~EF_INITIALIZED;
newEcP->nDestBm = ecP->nDestBm;
Assert ((nNewBm != 0) && (m_sides [nSide].m_nOvlTex != 0));
m_sides [nSide].m_nOvlTex = nNewBm; //replace with destoyed
}
}
else {
Assert ((nBitmap != 0) && (m_sides [nSide].m_nOvlTex != 0));
if (!bPermaTrigger)
m_sides [nSide].m_nOvlTex = nBitmap; //replace with destoyed
}
}
else {
if (!bPermaTrigger)
m_sides [nSide].m_nOvlTex = gameData.pig.tex.tMapInfoP [tm].destroyed;
//assume this is a light, and play light sound
audio.CreateSegmentSound (SOUND_LIGHT_BLOWNUP, Index (), 0, vHit);
}
return 1; //blew up!
}
