void C4FacetEx::DrawBolt(int iX1, int iY1, int iX2, int iY2, BYTE bCol,
BYTE bCol2) {
if (!lpDDraw || !Surface || !Wdt || !Hgt) return;
// Scroll position
iX1 -= TargetX;
iY1 -= TargetY;
iX2 -= TargetX;
iY2 -= TargetY;
// Facet bounds
if (!Inside(iX1, 0, Wdt - 1) && !Inside(iX2, 0, Wdt - 1)) return;
if (!Inside(iY1, 0, Hgt - 1) && !Inside(iY2, 0, Hgt - 1)) return;
iX1 += X;
iX2 += X;
iY1 += Y;
iY2 += Y;
// Draw bolt
int pvtx[2 * 4];
pvtx[0] = iX1;
pvtx[1] = iY1;
pvtx[2] = iX2;
pvtx[3] = iY2;
#ifdef C4ENGINE
pvtx[4] = iX2 + SafeRandom(DrawBoltR1) - DrawBoltR2;
pvtx[5] = iY2 + SafeRandom(DrawBoltR1) - DrawBoltR2;
pvtx[6] = iX1 + SafeRandom(DrawBoltR1) - DrawBoltR2;
pvtx[7] = iY1 + SafeRandom(DrawBoltR1) - DrawBoltR2;
#else
pvtx[4] = iX2 + X % 3 - 1;
pvtx[5] = iY2 + X % 3 - 1;
pvtx[6] = iX1 + Y % 3 - 1;
pvtx[7] = iY1 + Y % 3 - 1;
#endif
// Draw in surface
DWORD dwClr1 = lpDDraw->Pal.GetClr(bCol), dwClr2;
DWORD dwClr3 = lpDDraw->Pal.GetClr(bCol2), dwClr4;
/*if (DDrawCfg.NoBoxFades)
{*/
dwClr2 = dwClr1;
dwClr4 = dwClr3;
/*}
else
{
DWORD dwClr2=dwClr1|0xff000000; ...this leads to black and white lightning
bolts. Who wants that?
DWORD dwClr4=dwClr3|0xff000000;
}*/
lpDDraw->DrawQuadDw(Surface, pvtx, dwClr1, dwClr3, dwClr4, dwClr2);
}
C4SoundEffect *C4SoundSystem::GetEffect(const char *szSndName) {
C4SoundEffect *pSfx;
char szName[C4MaxSoundName + 4 + 1];
int32_t iNumber;
// Evaluate sound name
SCopy(szSndName, szName, C4MaxSoundName);
// Default extension
DefaultExtension(szName, "wav");
// Convert old style '*' wildcard to correct '?' wildcard
// For sound effects, '*' is supposed to match single digits only
SReplaceChar(szName, '*', '?');
// Sound with a wildcard: determine number of available matches
if (SCharCount('?', szName)) {
// Search global sound file
if (!(iNumber = SoundFile.EntryCount(szName)))
// Search scenario local files
if (!(iNumber = Game.ScenarioFile.EntryCount(szName)))
// Search bank loaded sounds
if (!(iNumber = EffectInBank(szName)))
// None found: failure
return NULL;
// Insert index to name
iNumber = BoundBy(1 + SafeRandom(iNumber), 1, 9);
SReplaceChar(szName, '?', '0' + iNumber);
}
// Find requested sound effect in bank
for (pSfx = FirstSound; pSfx; pSfx = pSfx->Next)
if (SEqualNoCase(szName, pSfx->Name)) break;
// Sound not in bank, try add
if (!pSfx)
if (!(pSfx = AddEffect(szName))) return NULL;
return pSfx;
}
StdStrBuf C4TeamList::GetScriptPlayerName() const
{
// get a name to assign to a new script player. Try to avoid name conflicts
if (!sScriptPlayerNames.getLength()) return StdStrBuf(LoadResStr("IDS_TEXT_COMPUTER")); // default name
// test available script names
int32_t iNameIdx = 0; StdStrBuf sOut;
while (sScriptPlayerNames.GetSection(iNameIdx++, &sOut, '|'))
if (!Game.PlayerInfos.GetActivePlayerInfoByName(sOut.getData()))
return sOut;
// none are available: Return a random name
sScriptPlayerNames.GetSection(SafeRandom(iNameIdx-1), &sOut, '|');
return sOut;
}
bool C4MusicSystem::ScheduleWaitTime()
{
// Roll for scheduling a break after the next piece.
if (SCounter < 3) return false; // But not right away.
if (SafeRandom(100) >= music_break_chance) return false;
if (music_break_max > 0)
{
int32_t music_break = music_break_min;
if (music_break_max > music_break_min) music_break += SafeRandom(music_break_max - music_break_min); // note that SafeRandom has limited range
if (music_break > 0)
{
is_waiting = true;
wait_time_end = C4TimeMilliseconds::Now() + music_break;
if (::Config.Sound.Verbose)
{
LogF("MusicSystem: Pause (%d msecs)", (int)music_break);
}
// After wait, do not resume previously started songs
for (C4MusicFile *check_file = Songs; check_file; check_file = check_file->pNext)
check_file->ClearResumePos();
}
}
return is_waiting;
}
void C4Network2Res::StartNewLoads()
{
if (!pCChunks) return;
// count clients
int32_t iCChunkCnt = 0; ClientChunks *pChunks;
for (pChunks = pCChunks; pChunks; pChunks = pChunks->Next)
iCChunkCnt++;
// create array
ClientChunks **pC = new ClientChunks *[iCChunkCnt];
// initialize
int32_t i;
for (i = 0; i < iCChunkCnt; i++) pC[i] = NULL;
// create shuffled order
for (pChunks = pCChunks, i = 0; i < iCChunkCnt; i++, pChunks = pChunks->Next)
{
// determine position
int32_t iPos = SafeRandom(iCChunkCnt - i);
// find & set
for (int32_t j = 0; ; j++)
if (!pC[j] && !iPos--)
{
pC[j] = pChunks;
break;
}
}
// start new load until maximum count reached
while (iLoadCnt + 1 <= C4NetResMaxLoad)
{
int32_t ioLoadCnt = iLoadCnt;
// search someone
for (i = 0; i < iCChunkCnt; i++)
if (pC[i])
{
// try to start load
if (!StartLoad(pC[i]->ClientID, pC[i]->Chunks))
{ RemoveCChunks(pC[i]); pC[i] = NULL; continue; }
// success?
if (iLoadCnt > ioLoadCnt) break;
}
// not found?
if (i >= iCChunkCnt)
break;
}
// clear up
delete [] pC;
}
C4Team *C4TeamList::GetRandomSmallestTeam() const
{
C4Team *pLowestTeam = NULL; int iLowestTeamCount = 0;
C4Team **ppCheck=ppList; int32_t iCnt=iTeamCount;
for (; iCnt--; ++ppCheck)
{
if ((*ppCheck)->IsFull()) continue; // do not join into full teams
if (!pLowestTeam || pLowestTeam->GetPlayerCount() > (*ppCheck)->GetPlayerCount())
{
pLowestTeam = *ppCheck;
iLowestTeamCount = 1;
}
else if (pLowestTeam->GetPlayerCount() == (*ppCheck)->GetPlayerCount())
if (!SafeRandom(++iLowestTeamCount))
pLowestTeam = *ppCheck;
}
return pLowestTeam;
}
int C4LoaderScreen::SeekLoaderScreens(C4Group &rFromGrp, const char *szWildcard, int iLoaderCount, char *szDstName, C4Group **ppDestGrp)
{
BOOL fFound;
int iLocalLoaders=0;
char Filename[_MAX_PATH+1];
for (fFound=rFromGrp.FindEntry(szWildcard, Filename); fFound; fFound=rFromGrp.FindNextEntry(szWildcard, Filename))
{
// loader found; choose it, if Daniel wants it that way
++iLocalLoaders;
if (!SafeRandom(++iLoaderCount))
{
// copy group and path
*ppDestGrp=&rFromGrp;
SCopy(Filename, szDstName, _MAX_PATH);
}
}
return iLocalLoaders;
}
int32_t C4Network2ResChunkData::GetChunkToRetrieve(const C4Network2ResChunkData &Available, int32_t iLoadingCnt, int32_t *pLoading) const
{
// (this version is highly calculation-intensitive, yet the most satisfactory
// solution I could find)
// find everything that should not be retrieved
C4Network2ResChunkData ChData; Available.GetNegative(ChData);
ChData.Merge(*this);
for (int32_t i = 0; i < iLoadingCnt; i++)
ChData.AddChunk(pLoading[i]);
// nothing to retrieve?
if (ChData.isComplete()) return -1;
// invert to get everything that should be retrieved
C4Network2ResChunkData ChData2; ChData.GetNegative(ChData2);
// select chunk (random)
int32_t iRetrieveChunk = SafeRandom(ChData2.getPresentChunkCnt());
// return
return ChData2.getPresentChunk(iRetrieveChunk);
}
bool C4MusicSystem::Play(const char *szSongname, bool fLoop, int fadetime_ms, double max_resume_time, bool allow_break)
{
// pause is done
is_waiting = false;
upcoming_music_file = NULL;
// music off?
if (Game.IsRunning ? !Config.Sound.RXMusic : !Config.Sound.FEMusic)
return false;
// info
if (::Config.Sound.Verbose)
{
LogF("MusicSystem: Play(\"%s\", %s, %d, %.3lf, %s)", szSongname ? szSongname : "(null)", fLoop ? "true" : "false", fadetime_ms, max_resume_time, allow_break ? "true" : "false");
}
C4MusicFile* NewFile = NULL;
// Specified song name
if (szSongname && szSongname[0])
{
// Search in list
for (NewFile = Songs; NewFile; NewFile = NewFile->pNext)
{
char songname[_MAX_FNAME + 1];
SCopy(szSongname, songname); DefaultExtension(songname, "mid");
if (SEqual(GetFilename(NewFile->FileName), songname))
break;
SCopy(szSongname, songname); DefaultExtension(songname, "ogg");
if (SEqual(GetFilename(NewFile->FileName), songname))
break;
}
}
else
{
// When resuming, prefer songs that were interrupted before
if (max_resume_time > 0)
{
C4TimeMilliseconds t_now = C4TimeMilliseconds::Now();
for (C4MusicFile *check_file = Songs; check_file; check_file = check_file->pNext)
if (!check_file->NoPlay)
{
if (check_file->HasResumePos() && check_file->GetRemainingTime() > max_resume_time)
if (!music_max_position_memory || (t_now - check_file->GetLastInterruptionTime() <= music_max_position_memory*1000))
if (!NewFile || NewFile->LastPlayed < check_file->LastPlayed)
NewFile = check_file;
}
}
// Random song
if (!NewFile)
{
// Intead of a new song, is a break also allowed?
if (allow_break) ScheduleWaitTime();
if (!is_waiting)
{
if (::Config.Sound.Verbose) LogF(" ASongCount=%d SCounter=%d", ASongCount, SCounter);
// try to find random song
int32_t new_file_playability = 0, new_file_num_rolls = 0;
for (C4MusicFile *check_file = Songs; check_file; check_file = check_file->pNext)
{
if (!check_file->NoPlay)
{
// Categorize song playability:
// 0 = no song found yet
// 1 = song was played recently
// 2 = song not played recently
// 3 = song was not played yet
int32_t check_file_playability = (check_file->LastPlayed < 0) ? 3 : (SCounter - check_file->LastPlayed <= ASongCount / 2) ? 1 : 2;
if (::Config.Sound.Verbose) LogF(" Song LastPlayed %d [%d] (%s)", int(check_file->LastPlayed), int(check_file_playability), check_file->GetDebugInfo().getData());
if (check_file_playability > new_file_playability)
{
// Found much better fit. Play this and reset number of songs found in same plyability
new_file_num_rolls = 1;
NewFile = check_file;
new_file_playability = check_file_playability;
}
else if (check_file_playability == new_file_playability)
{
// Found a fit in the same playability category: Roll for it
if (!SafeRandom(++new_file_num_rolls)) NewFile = check_file;
}
else
{
// Worse playability - ignore this song
}
}
}
}
}
}
// File (or wait time) found?
if (!NewFile && !is_waiting)
return false;
// Stop/Fade out old music
bool is_fading = (fadetime_ms && NewFile != PlayMusicFile && PlayMusicFile);
if (!is_fading)
{
Stop();
}
else
{
C4TimeMilliseconds tNow = C4TimeMilliseconds::Now();
if (FadeMusicFile)
{
if (FadeMusicFile == NewFile && FadeMusicFile->IsLooping() == fLoop && tNow < FadeTimeEnd)
{
// Fading back to a song while it wasn't fully faded out yet. Just swap our pointers and fix timings for that.
FadeMusicFile = PlayMusicFile;
PlayMusicFile = NewFile;
FadeTimeEnd = tNow + fadetime_ms * (tNow - FadeTimeStart) / (FadeTimeEnd - FadeTimeStart);
FadeTimeStart = FadeTimeEnd - fadetime_ms;
return true;
}
else
{
// Fading to a third song while the previous wasn't faded out yet
// That's pretty chaotic anyway, so just cancel the last song
// Also happens if fading should already be done, in which case it won't harm to stop now
// (It would stop on next call to Execute() anyway)
// Also happens when fading back to the same song but loop status changes, but that should be really uncommon.
FadeMusicFile->Stop();
}
}
FadeMusicFile = PlayMusicFile;
PlayMusicFile = NULL;
FadeTimeStart = tNow;
FadeTimeEnd = FadeTimeStart + fadetime_ms;
}
// Waiting?
if (!NewFile) return false;
// If the old file is being faded out and a new file would just start, start delayed and without fading
// so the beginning of a song isn't faded unnecesserily (because our songs often start very abruptly)
if (is_fading && (!NewFile->HasResumePos() || NewFile->GetRemainingTime() <= max_resume_time))
{
upcoming_music_file = NewFile;
is_waiting = true;
wait_time_end = FadeTimeEnd;
return false;
}
if (!Play(NewFile, fLoop, max_resume_time)) return false;
if (is_fading) PlayMusicFile->SetVolume(0);
return true;
}
int32_t FnFxFireTimer(C4AulContext *ctx, C4Object *pObj, int32_t iNumber,
int32_t iTime) {
// safety
if (!pObj)
return C4Fx_Execute_Kill;
// get cause
int32_t iCausedByPlr = NO_OWNER;
C4Effect *pEffect;
if (pEffect = pObj->pEffects)
if (pEffect = pEffect->Get(iNumber, true)) {
iCausedByPlr = FxFireVarCausedBy(pEffect).getInt();
if (!ValidPlr(iCausedByPlr))
iCausedByPlr = NO_OWNER;
}
// causes on object
pObj->ExecFire(iNumber, iCausedByPlr);
// special effects only if loaded
if (!Game.Particles.IsFireParticleLoaded())
return C4Fx_OK;
// get effect: May be NULL after object fire execution, in which case the fire
// has been extinguished
if (!pObj->GetOnFire())
return C4Fx_Execute_Kill;
if (!(pEffect = pObj->pEffects))
return C4Fx_Execute_Kill;
if (!(pEffect = pEffect->Get(iNumber, true)))
return C4Fx_Execute_Kill;
/* Fire execution behaviour transferred from script (FIRE) */
// get fire mode
int32_t iFireMode = FxFireVarMode(pEffect).getInt();
// special effects only each four frames, except for objects (e.g.:
// Projectiles)
if (iTime % 4 && iFireMode != C4Fx_FireMode_Object)
return C4Fx_OK;
// no gfx for contained
if (pObj->Contained)
return C4Fx_OK;
// some constant effect parameters for this object
int32_t iWidth = Max<int32_t>(pObj->Def->Shape.Wdt, 1),
iHeight = pObj->Def->Shape.Hgt,
iYOff = iHeight / 2 - pObj->Def->Shape.FireTop;
int32_t iCount = int32_t(sqrt(double(iWidth * iHeight)) /
4); // Number of particles per execution
const int32_t iBaseParticleSize =
30; // With of particles in pixels/10, w/o add of values below
const int32_t iParticleSizeDiff = 10; // Size variation among particles
const int32_t iRelParticleSize =
12; // Influence of object size on particle size
// some varying effect parameters
int32_t iX = pObj->x, iY = pObj->y;
int32_t iXDir, iYDir, iCon, iWdtCon, iA, iSize;
// get remainign size (%)
iCon = iWdtCon = Max<int32_t>((100 * pObj->GetCon()) / FullCon, 1);
if (!pObj->Def->GrowthType)
// fixed width for not-stretched-objects
if (iWdtCon < 100)
iWdtCon = 100;
// regard non-center object offsets
iX += pObj->Shape.x + pObj->Shape.Wdt / 2;
iY += pObj->Shape.y + pObj->Shape.Hgt / 2;
// apply rotation
float fRot[4] = { 1.0f, 0.0f, 0.0f, 1.0f };
if (pObj->r && pObj->Def->Rotateable) {
fRot[0] = (float)cosf((float)(pObj->r * pi / 180.0));
fRot[1] = (float)-sinf((float)(pObj->r * pi / 180.0));
fRot[2] = -fRot[1];
fRot[3] = fRot[0];
// rotated objects usually better burn from the center
if (iYOff > 0)
iYOff = 0;
}
// Adjust particle number by con
iCount = Max(2, iCount * iWdtCon / 100);
// calc base for particle size parameter
iA = (int32_t)(sqrt(sqrt(double(iWidth * iHeight)) * (iCon + 20) / 120) *
iRelParticleSize);
// create a double set of particles; first quarter normal (Fire); remaining
// three quarters additive (Fire2)
for (int32_t i = 0; i < iCount * 2; ++i) {
// calc actual size to be used in this frame
// Using Random instead of SafeRandom would be safe here
// However, since it's just affecting particles there's no need to use
// synchronized random values
iSize = SafeRandom(iParticleSizeDiff + 1) + iBaseParticleSize -
iParticleSizeDiff / 2 - 1 + iA;
// get particle target list
C4ParticleList *pParticleList =
SafeRandom(4) ? &(pObj->BackParticles) : &(pObj->FrontParticles);
// get particle def and color
C4ParticleDef *pPartDef;
DWORD dwClr;
if (i < iCount / 2) {
dwClr = 0x32004000 + ((SafeRandom(59) + 196) << 16);
pPartDef = Game.Particles.pFire1;
} else {
dwClr = 0xffffff;
pPartDef = Game.Particles.pFire2;
}
if (iFireMode == C4Fx_FireMode_Object)
dwClr += 0x62000000;
// get particle creation pos...
int32_t iRandX = SafeRandom(iWidth + 1) - iWidth / 2 - 1;
int32_t iPx = iRandX * iWdtCon / 100;
int32_t iPy = iYOff * iCon / 100;
if (iFireMode == C4Fx_FireMode_LivingVeg)
iPy -= iPx * iPx * 100 / iWidth /
iWdtCon; // parable form particle pos on livings
// ...and movement speed
if (iFireMode != C4Fx_FireMode_Object) {
// ...for normal fire proc
iXDir = iRandX * iCon / 400 - int32_t(iPx / 3) -
int32_t(fixtof(pObj->xdir) * 3);
iYDir = -SafeRandom(15 + iHeight * iCon / 300) - 1 -
int32_t(fixtof(pObj->ydir) * 3);
} else {
// ...for objects
iXDir = -int32_t(fixtof(pObj->xdir) * 3);
iYDir = -int32_t(fixtof(pObj->ydir) * 3);
if (!iYDir)
iYDir = -SafeRandom(13 + iHeight / 4) - 1;
}
// OK; create it!
Game.Particles.Create(pPartDef, float(iX) + fRot[0] * iPx + fRot[1] * iPy,
float(iY) + fRot[2] * iPx + fRot[3] * iPy,
(float)iXDir / 10.0f, (float)iYDir / 10.0f,
(float)iSize / 10.0f, dwClr, pParticleList, pObj);
}
return C4Fx_OK;
}
