自学教程：C++ I2X函数代码示例

//	-----------------------------------------------------------------------------//	Fire Laser:  Registers a laser fire, and performs special stuff for the fusion//				    cannon.void ChargeFusion (void){if ((LOCALPLAYER.energy < I2X (2)) && (gameData.fusion.xAutoFireTime == 0)) {	gameData.laser.nGlobalFiringCount = 0;	}else {	gameData.fusion.xFrameTime += gameData.time.xFrame;	if (!gameData.FusionCharge ())		LOCALPLAYER.energy -= I2X (2);	fix h = (gameData.fusion.xFrameTime <= LOCALPLAYER.energy) ? gameData.fusion.xFrameTime : LOCALPLAYER.energy;	gameData.SetFusionCharge (gameData.FusionCharge () + h);	LOCALPLAYER.energy -= h;	if (LOCALPLAYER.energy > 0) 		gameData.fusion.xAutoFireTime = gameData.time.xGame + gameData.fusion.xFrameTime / 2 + 1;	else {		LOCALPLAYER.energy = 0;		gameData.fusion.xAutoFireTime = gameData.time.xGame - 1;	//	Fire now!		}	if (gameStates.limitFPS.bFusion && !gameStates.app.tick40fps.bTick)		return;	float fScale = float (gameData.FusionCharge () >> 11) / 64.0f;	tRgbaColorf* colorP = gameData.weapons.color + FUSION_ID;	if (gameData.FusionCharge () < I2X (2)) 		paletteManager.BumpEffect (colorP->red * fScale, colorP->green * fScale, colorP->blue * fScale);	else 		paletteManager.BumpEffect (colorP->blue * fScale, colorP->red * fScale, colorP->green * fScale);	if (gameData.time.xGame < gameData.fusion.xLastSoundTime)		//gametime has wrapped		gameData.fusion.xNextSoundTime = gameData.fusion.xLastSoundTime = gameData.time.xGame;	if (gameData.fusion.xNextSoundTime < gameData.time.xGame) {		if (gameData.FusionCharge () > I2X (2)) {			audio.PlaySound (11);			gameData.objs.consoleP->ApplyDamageToPlayer (gameData.objs.consoleP, d_rand () * 4);			}		else {			CreateAwarenessEvent (gameData.objs.consoleP, WEAPON_ROBOT_COLLISION);			audio.PlaySound (SOUND_FUSION_WARMUP);			if (IsMultiGame)				MultiSendPlaySound (SOUND_FUSION_WARMUP, I2X (1));				}		gameData.fusion.xLastSoundTime = gameData.time.xGame;		gameData.fusion.xNextSoundTime = gameData.time.xGame + I2X (1) / 8 + d_rand () / 4;		}	gameData.fusion.xFrameTime = 0;	}}

void CHUD::DrawCloak (void){if (cockpit->Hide ())	return;	static int nIdCloak = 0;if ((LOCALPLAYER.flags & PLAYER_FLAGS_CLOAKED) &&	 ((LOCALPLAYER.cloakTime + CLOAK_TIME_MAX - gameData.time.xGame > I2X (3)) || (gameData.time.xGame & 0x8000))) {	int	y = CCanvas::Current ()->Height ();	if (IsMultiGame)		y -= 7 * m_info.nLineSpacing;	else		y -= 4 * m_info.nLineSpacing;	if ((LOCALPLAYER.flags & PLAYER_FLAGS_AFTERBURNER) && !gameOpts->render.cockpit.bTextGauges)		y -= m_info.nLineSpacing + gameStates.render.fonts.bHires + 1;	fontManager.SetColorRGBi (GREEN_RGBA, 1, 0, 0);	nIdCloak = GrPrintF (&nIdCloak, 2, y, "%s", TXT_CLOAKED);	}}

void CStatusBar::DrawAfterburnerBar (void){if (gameStates.app.bD1Mission)	return;	int nEraseHeight;CCanvas::Push ();fontManager.SetScale (floor (float (CCanvas::Current ()->Width ()) / 640.0f));CCanvas::SetCurrent (CurrentGameScreen ());BitBlt (SB_GAUGE_AFTERBURNER, SB_AFTERBURNER_GAUGE_X, SB_AFTERBURNER_GAUGE_Y);nEraseHeight = FixMul ((I2X (1) - gameData.physics.xAfterburnerCharge), SB_AFTERBURNER_GAUGE_H);if (nEraseHeight > 0) {	glDisable (GL_BLEND);	Rect (SB_AFTERBURNER_GAUGE_X, SB_AFTERBURNER_GAUGE_Y, 			SB_AFTERBURNER_GAUGE_X + SB_AFTERBURNER_GAUGE_W - 1, SB_AFTERBURNER_GAUGE_Y + nEraseHeight - 1);	glEnable (GL_BLEND);	}fontManager.SetScale (1.0f);CCanvas::Pop ();}

// Volume 0-I2X (1)int CAudio::StartSound (short nSound, int nSoundClass, fix nVolume, int nPan, int bLooping, 								int nLoopStart, int nLoopEnd, int nSoundObj, int nSpeed, 								const char *pszWAV, CFixVector* vPos){	CAudioChannel*	channelP;if (!gameStates.app.bUseSound)	return -1;if (!m_info.bAvailable) 	return -1;if (((nSoundObj > -1) || bLooping || (nVolume > I2X (1))) && !nSoundClass)	nSoundClass = -1;if (!(channelP = FindFreeChannel (nSoundClass)))	return -1;if (0 > channelP->Start (nSound, nSoundClass, nVolume, nPan, bLooping, nLoopStart, nLoopEnd, nSoundObj, nSpeed, pszWAV, vPos)) {	return -1;	}int i = m_info.nFreeChannel;if (++m_info.nFreeChannel >= MAX_SOUND_CHANNELS)	m_info.nFreeChannel = 0;return i;}

int CParticleSystem::Update (void){if (!m_bValid)	return 0;	CParticleEmitter	*emitterP;	int					i = 0;if ((m_nObject == 0x7fffffff) && (m_nType == SMOKE_PARTICLES) &&	 (gameStates.app.nSDLTicks - m_nBirth > (MAX_SHRAPNEL_LIFE / I2X (1)) * 1000))	SetLife (0);#if DBGif ((m_nObject >= 0) && (m_nObject < 0x70000000) && (OBJECTS [m_nObject].info.nType == 255))	i = i;#endifif ((emitterP = m_emitters.Buffer ())) {	bool bKill = (m_nObject < 0) || ((m_nObject < 0x70000000) &&					 ((OBJECTS [m_nObject].info.nSignature != m_nSignature) || (OBJECTS [m_nObject].info.nType == OBJ_NONE)));	for (i = 0; i < m_nEmitters; ) {		if (!m_emitters)			return 0;		if (emitterP->IsDead (gameStates.app.nSDLTicks)) {			if (!RemoveEmitter (i)) {				//particleManager.Destroy (m_nId);				m_bDestroy = true;				break;				}			}		else {			if (bKill)				emitterP->SetLife (0);			emitterP->Update (gameStates.app.nSDLTicks, -1);			emitterP++, i++;			}		}	}return i;}

//------------------------------------------------------------------------------//draw an CObject that is a texture-mapped rodvoid DrawObjectRodTexPoly (CObject *objP, tBitmapIndex bmi, int bLit, int iFrame){	CBitmap *bmP = gameData.pig.tex.bitmaps [0] + bmi.index;	fix light;	CFixVector delta, top_v, bot_v;	g3sPoint top_p, bot_p;LoadBitmap (bmi.index, 0);if ((bmP->Type () == BM_TYPE_STD) && bmP->Override ()) {	bmP->SetupTexture (1, gameOpts->render.bDepthSort <= 0);	bmP = bmP->Override (iFrame);	}delta = objP->info.position.mOrient.UVec () * objP->info.xSize;top_v = objP->info.position.vPos + delta;bot_v = objP->info.position.vPos - delta;G3TransformAndEncodePoint (&top_p, top_v);G3TransformAndEncodePoint (&bot_p, bot_v);if (bLit)	light = ComputeObjectLight (objP, &top_p.p3_vec);else	light = I2X (1);G3DrawRodTexPoly (bmP, &bot_p, objP->info.xSize, &top_p, objP->info.xSize, light, NULL);}

void RenderPowerupCorona (CObject *objP, float red, float green, float blue, float alpha){if ((IsEnergyPowerup (objP->info.nId) ? gameOpts->render.coronas.bPowerups : gameOpts->render.coronas.bWeapons) && LoadGlare ()) {	static tRgbaColorf keyColors [3] = {	 {0.2f, 0.2f, 0.9f, 0.2f},	 {0.9f, 0.2f, 0.2f, 0.2f},	 {0.9f, 0.8f, 0.2f, 0.2f}		};	tRgbaColorf color;	fix			xSize;	float			fScale;	if ((objP->info.nId >= POW_KEY_BLUE) && (objP->info.nId <= POW_KEY_GOLD)) {		int i = objP->info.nId - POW_KEY_BLUE;		color = keyColors [(((i < 0) || (i > 2)) ? 3 : i)];		xSize = I2X (12);		}	else {		float b = (float) sqrt ((red * 3 + green * 5 + blue * 2) / 10);		color.red = red / b;		color.green = green / b;		color.blue = blue / b;		xSize = 2 * objP->info.xSize; //I2X (8);		}	color.alpha = alpha;	fScale = coronaIntensities [gameOpts->render.coronas.nObjIntensity] / 2;	color.red *= fScale;	color.green *= fScale;	color.blue *= fScale;	bmpGlare->SetColor (&color);	ogl.RenderSprite (bmpGlare, objP->info.position.vPos, xSize, xSize, alpha, LIGHTTRAIL_BLENDMODE, 5);	bmpGlare->SetColor (NULL);	}}

void CCockpit::DrawAfterburnerBar (void){#if 1if (!(LOCALPLAYER.flags & PLAYER_FLAGS_AFTERBURNER))	return;		//don't draw if don't haveif (!gameData.physics.xAfterburnerCharge)	return;#endif//CCanvas::Current ()->SetColorRGB (255, 255, 255, 255);BitBlt (GAUGE_AFTERBURNER, AFTERBURNER_GAUGE_X, AFTERBURNER_GAUGE_Y);int yMax = FixMul (I2X (1) - gameData.physics.xAfterburnerCharge, AFTERBURNER_GAUGE_H);if (yMax) {	int		x [4], y [4];	ubyte*	tableP = gameStates.video.nDisplayMode ? afterburnerBarTableHires : afterburnerBarTable;	y [0] = y [1] = ScaleY (AFTERBURNER_GAUGE_Y);	y [3] = ScaleY (AFTERBURNER_GAUGE_Y + yMax) - 1;	x [1] = ScaleX (AFTERBURNER_GAUGE_X + tableP [0]);	x [0] = ScaleX (AFTERBURNER_GAUGE_X + tableP [1] + 1);	x [2] = x [1];	y [2] = 0;	for (int i = 1; i < yMax - 1; i++)		if (x [2] >= tableP [2 * i]) {			x [2] = tableP [2 * i];			y [2] = i;			}	x [2] = ScaleX (AFTERBURNER_GAUGE_X + x [2] + 1);	y [2] = ScaleY (AFTERBURNER_GAUGE_Y + y [2]);	x [3] = ScaleX (AFTERBURNER_GAUGE_X + tableP [2 * yMax - 1] + 1);	gameStates.render.grAlpha = 1.0f;	glEnable (GL_BLEND);	glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);	OglDrawFilledPoly (x, y, 4, gaugeFadeColors [0], 1);	glDisable (GL_BLEND);	}}

int CObject::PowerupToDevice (void){	CAngleVector	a;	short				nModel, nId;	int				bHasModel = 0;if (!SHOW_OBJ_FX)	return 0;if (!gameOpts->render.powerups.b3D)	return 0;if (info.controlType == CT_WEAPON)	return 1;if ((info.nType != OBJ_POWERUP) && (info.nType != OBJ_WEAPON))	return 0;nModel = PowerupToModel (info.nId);if (nModel)	nId = info.nId;else {	nId = PowerupToObject (info.nId);	if (nId >= 0) {		nModel = gameData.weapons.info [nId].nModel;		bHasModel = 1;		}	}if (!bHasModel && ((info.nType != OBJ_WEAPON) || !gameData.objs.bIsMissile [info.nId]) &&	 !(nModel && HaveReplacementModel (nModel)))		return 0;if (gameData.demo.nState != ND_STATE_PLAYBACK) {	a[PA] = (rand () % I2X (1)) - I2X (1) / 2;	a[BA] = (rand () % I2X (1)) - I2X (1) / 2;	a[HA] = (rand () % I2X (1)) - I2X (1) / 2;	info.position.mOrient = CFixMatrix::Create(a);	}mType.physInfo.mass = I2X (1);mType.physInfo.drag = 512;mType.physInfo.brakes = 0;#if 0if ((info.nType == OBJ_WEAPON) && gameData.objs.bIsMissile [info.nId])#endif {	mType.physInfo.rotVel[X] = 0;	mType.physInfo.rotVel[Y] =	mType.physInfo.rotVel[Z] = gameOpts->render.powerups.nSpin ? I2X (1) / (5 - gameOpts->render.powerups.nSpin) : 0;	}#if 0else {	mType.physInfo.rotVel[X] =	mType.physInfo.rotVel[Z] = 0;	mType.physInfo.rotVel[Y] = gameOpts->render.powerups.nSpin ? I2X (1) / (5 - gameOpts->render.powerups.nSpin) : 0;	}#endifinfo.controlType = CT_WEAPON;info.renderType = RT_POLYOBJ;info.movementType = MT_PHYSICS;mType.physInfo.flags = PF_BOUNCE | PF_FREE_SPINNING;rType.polyObjInfo.nModel = nModel;#if 1if (bHasModel)	info.xSize = gameData.models.polyModels [0][rType.polyObjInfo.nModel].Rad ();#endifrType.polyObjInfo.nTexOverride = -1;info.xLifeLeft = IMMORTAL_TIME;return 1;}

void DoPlayerSmoke (tObject *objP, int i){	int				h, j, d, nParts, nType;	float				nScale;	tCloud			*pCloud;	vmsVector		fn, mn, vDir, *vDirP;	tThrusterInfo	ti;	static int	bForward = 1;if (i < 0)	i = objP->info.nId;if ((gameData.multiplayer.players [i].flags & PLAYER_FLAGS_CLOAKED) ||	 (gameStates.render.automap.bDisplay && IsMultiGame && !AM_SHOW_PLAYERS)) {	KillObjectSmoke (i);	return;	}j = OBJ_IDX (objP);if (gameOpts->render.smoke.bDecreaseLag && (i == gameData.multiplayer.nLocalPlayer)) {	fn = objP->info.position.mOrient[FVEC];	mn = objP->info.position.vPos - objP->info.vLastPos;	vmsVector::Normalize(fn);	vmsVector::Normalize(mn);	d = vmsVector::Dot(fn, mn);	if (d >= -F1_0 / 2)		bForward = 1;	else {		if (bForward) {			if ((h = gameData.smoke.objects [j]) >= 0) {				KillObjectSmoke (j);				DestroySmoke (h);				}			bForward = 0;			nScale = 0;			return;			}		}	}#if 0if (EGI_FLAG (bThrusterFlames, 1, 1, 0)) {	if ((a <= F1_0 / 4) && (a || !gameStates.input.bControlsSkipFrame))	//no thruster flames if moving backward		DropAfterburnerBlobs (objP, 2, I2X (1), -1, gameData.objs.consoleP, 1); //F1_0 / 4);	}#endifif ((gameData.app.nGameMode & GM_NETWORK) && !gameData.multiplayer.players [i].connected)	nParts = 0;else if (objP->info.nFlags & (OF_SHOULD_BE_DEAD | OF_DESTROYED))	nParts = 0;else if ((i == gameData.multiplayer.nLocalPlayer) && (gameStates.app.bPlayerIsDead || (gameData.multiplayer.players [i].shields < 0)))	nParts = 0;else {	h = X2IR (gameData.multiplayer.players [i].shields);	nParts = 10 - h / 5;	nScale = X2F (objP->info.xSize);	if (h <= 25)		nScale /= 1.5;	else if (h <= 50)		nScale /= 2;	else		nScale /= 3;	if (nParts <= 0) {		nType = 2;		//nParts = (gameStates.entropy.nTimeLastMoved < 0) ? 250 : 125;		}	else {		CreateDamageExplosion (nParts, j);		nType = (h > 25);		nParts *= 25;		nParts += 75;		}	nParts = objP->mType.physInfo.thrust.IsZero() ? SHIP_MAX_PARTS : SHIP_MAX_PARTS / 2;	if (SHOW_SMOKE && nParts && gameOpts->render.smoke.bPlayers) {		if (gameOpts->render.smoke.bSyncSizes) {			nParts = -MAX_PARTICLES (nParts, gameOpts->render.smoke.nDens [0]);			nScale = PARTICLE_SIZE (gameOpts->render.smoke.nSize [0], nScale);			}		else {			nParts = -MAX_PARTICLES (nParts, gameOpts->render.smoke.nDens [1]);			nScale = PARTICLE_SIZE (gameOpts->render.smoke.nSize [1], nScale);			}		if (!objP->mType.physInfo.thrust.IsZero ())			vDirP = NULL;		else {	// if the ship is standing still, let the thruster smoke move away from it			nParts /= 2;			nScale /= 2;			vDir = OBJPOS (objP)->mOrient [FVEC] * (F1_0 / 8);			vDir = -vDir;			vDirP = &vDir;			}		if (0 > (h = gameData.smoke.objects [j])) {			//PrintLog ("creating tPlayer smoke/n");			h = SetSmokeObject (j,					CreateSmoke (&objP->info.position.vPos, vDirP, NULL, objP->info.nSegment, 2, nParts, nScale,									 gameOpts->render.smoke.nSize [1],									 2, PLR_PART_LIFE / (nType + 1) * (vDirP ? 2 : 1), PLR_PART_SPEED, SMOKE_PARTICLES, j, smokeColors + nType, 1, -1));			}		else {			if (vDirP)				SetSmokeDir (h, vDirP);			SetSmokeLife (h, PLR_PART_LIFE / (nType + 1) * (vDirP ? 2 : 1));//.........这里部分代码省略.........

void ReadFlyingControls (CObject *objP){	fix		forwardThrustTime;	CObject*	gmObjP;	int		bMulti;if (gameData.time.xFrame <= 0)	return;if (gameStates.app.bPlayerIsDead || gameStates.app.bEnterGame) {	StopPlayerMovement ();	FlushInput ();/*	VmVecZero(&objP->mType.physInfo.rotThrust);	VmVecZero(&objP->mType.physInfo.thrust);	VmVecZero(&objP->mType.physInfo.velocity);*/	gameStates.app.bEnterGame--;	return;	}if ((objP->info.nType != OBJ_PLAYER) || (objP->info.nId != gameData.multiplayer.nLocalPlayer))	return;	//references to CPlayerShip require that this obj be the CPlayerDatatGuidedMissileInfo *gmiP = gameData.objs.guidedMissile + gameData.multiplayer.nLocalPlayer;gmObjP = gmiP->objP;if (gmObjP && (gmObjP->info.nSignature == gmiP->nSignature)) {	CAngleVector	vRotAngs;	CFixMatrix		mRot, mOrient;	fix				speed;	//this is a horrible hack.  guided missile stuff should not be	//handled in the middle of a routine that is dealing with the CPlayerData	objP->mType.physInfo.rotThrust.SetZero ();	vRotAngs [PA] = Controls [0].pitchTime / 2 + gameStates.gameplay.seismic.nMagnitude / 64;	vRotAngs [BA] = Controls [0].bankTime / 2 + gameStates.gameplay.seismic.nMagnitude / 16;	vRotAngs [HA] = Controls [0].headingTime / 2 + gameStates.gameplay.seismic.nMagnitude / 64;	mRot = CFixMatrix::Create (vRotAngs);	mOrient = gmObjP->info.position.mOrient * mRot;	gmObjP->info.position.mOrient = mOrient;	speed = WI_speed (gmObjP->info.nId, gameStates.app.nDifficultyLevel);	gmObjP->mType.physInfo.velocity = gmObjP->info.position.mOrient.FVec () * speed;	if(IsMultiGame)		MultiSendGuidedInfo (gmObjP, 0);	}else {#if DBG	if (Controls [0].headingTime)		Controls [0].headingTime = Controls [0].headingTime;#endif	objP->mType.physInfo.rotThrust = CFixVector::Create (Controls [0].pitchTime,	                                                     Controls [0].headingTime, //Controls [0].headingTime ? I2X (1) / 4 : 0; //Controls [0].headingTime;	                                                     Controls [0].bankTime);	}forwardThrustTime = Controls [0].forwardThrustTime;if ((LOCALPLAYER.flags & PLAYER_FLAGS_AFTERBURNER) && (d_rand () < OBJECTS [gameData.multiplayer.nLocalPlayer].DriveDamage ())) {	if (Controls [0].afterburnerState) {			//CPlayerData has key down		fix afterburner_scale;		int oldCount,newCount;		//add in value from 0..1		afterburner_scale = I2X (1) + min (I2X (1) / 2, gameData.physics.xAfterburnerCharge) * 2;		forwardThrustTime = FixMul (gameData.time.xFrame, afterburner_scale);	//based on full thrust		oldCount = (gameData.physics.xAfterburnerCharge / (DROP_DELTA_TIME / AFTERBURNER_USE_SECS));		if (!gameStates.gameplay.bAfterburnerCheat)			gameData.physics.xAfterburnerCharge -= gameData.time.xFrame / AFTERBURNER_USE_SECS;		if (gameData.physics.xAfterburnerCharge < 0)			gameData.physics.xAfterburnerCharge = 0;		newCount = (gameData.physics.xAfterburnerCharge / (DROP_DELTA_TIME / AFTERBURNER_USE_SECS));		if (gameStates.app.bNostalgia && (oldCount != newCount))			gameStates.render.bDropAfterburnerBlob = 1;	//drop blob (after physics called)		}	else {		fix xChargeUp = min (gameData.time.xFrame / 8, I2X (1) - gameData.physics.xAfterburnerCharge);	//recharge over 8 seconds		if (xChargeUp > 0) {			fix xCurEnergy = LOCALPLAYER.energy - I2X (10);			xCurEnergy = max (xCurEnergy, 0) / 10;	//don't drop below 10			if (xCurEnergy > 0) {	//maybe limit charge up by energy				xChargeUp = min (xChargeUp, xCurEnergy / 10);				if (xChargeUp > 0) {					gameData.physics.xAfterburnerCharge += xChargeUp;					LOCALPLAYER.energy -= xChargeUp * 100 / 10;	//full charge uses 10% of energy					}				}			}		}	}// Set CObject's thrust vector for forward/backwardobjP->mType.physInfo.thrust = objP->info.position.mOrient.FVec () * forwardThrustTime;// slide left/rightobjP->mType.physInfo.thrust += objP->info.position.mOrient.RVec () * Controls [0].sidewaysThrustTime;// slide up/downobjP->mType.physInfo.thrust += objP->info.position.mOrient.UVec () * Controls [0].verticalThrustTime;objP->mType.physInfo.thrust *= 2 * objP->DriveDamage ();if (!gameStates.input.bSkipControls)	memcpy (&gameData.physics.playerThrust, &objP->mType.physInfo.thrust, sizeof (gameData.physics.playerThrust));bMulti = IsMultiGame;if ((objP->mType.physInfo.flags & PF_WIGGLE) && !gameData.objs.speedBoost [objP->Index ()].bBoosted) {#if 1//!DBG	WiggleObject (objP);//.........这里部分代码省略.........

//	-----------------------------------------------------------------------------//if an effect is hit, and it can blow up, then blow it up//returns true if it blew upint 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 flagsec = 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 lightbmP = 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 CSegmentwallP = 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));//.........这里部分代码省略.........

void NetworkHandlePingReturn (ubyte nPlayer){if ((nPlayer >= gameData.multiplayer.nPlayers) || !pingStats [nPlayer].launchTime) {#if 1				 console.printf (CON_DBG, "Got invalid PING RETURN from %s!/n", gameData.multiplayer.players [nPlayer].callsign);#endif   return;	}xPingReturnTime = TimerGetFixedSeconds ();pingStats [nPlayer].ping = X2I (FixMul (xPingReturnTime - pingStats [nPlayer].launchTime, I2X (1000)));if (!gameStates.render.cockpit.bShowPingStats)	HUDInitMessage ("Ping time for %s is %d ms!", gameData.multiplayer.players [nPlayer].callsign, pingStats [nPlayer].ping);pingStats [nPlayer].launchTime = 0;pingStats [nPlayer].received++;}

void NetworkDoFrame (int bForce, int bListen){	tFrameInfoShort shortSyncPack;	static fix xLastEndlevel = 0;	int i;if (!(gameData.app.nGameMode & GM_NETWORK)) 	return;if ((networkData.nStatus == NETSTAT_PLAYING) && !gameStates.app.bEndLevelSequence) { // Don't send postion during escape sequence...	if (nakedData.nLength) {		Assert (nakedData.nDestPlayer >- 1);		if (gameStates.multi.nGameType >= IPX_GAME) 			IPXSendPacketData (reinterpret_cast<ubyte*> (nakedData.buf), nakedData.nLength, 									netPlayers.players [nakedData.nDestPlayer].network.ipx.server, 									netPlayers.players [nakedData.nDestPlayer].network.ipx.node, 									gameData.multiplayer.players [nakedData.nDestPlayer].netAddress);		nakedData.nLength = 0;		nakedData.nDestPlayer = -1;		}	if (networkData.refuse.bWaitForAnswer && TimerGetApproxSeconds ()> (networkData.refuse.xTimeLimit+ (I2X (12))))		networkData.refuse.bWaitForAnswer=0;	networkData.xLastSendTime += gameData.time.xFrame;	networkData.xLastTimeoutCheck += gameData.time.xFrame;	// Send out packet PacksPerSec times per second maximum... unless they fire, then send more often...	if ((networkData.xLastSendTime > I2X (1) / PacketsPerSec ()) || 		(gameData.multigame.laser.bFired) || bForce || networkData.bPacketUrgent) {        		if (LOCALPLAYER.connected) {			int nObject = LOCALPLAYER.nObject;			networkData.bPacketUrgent = 0;			if (bListen) {				MultiSendRobotFrame (0);				MultiSendFire ();              // Do firing if needed..				}			networkData.xLastSendTime = 0;			if (netGame.bShortPackets) {#if defined (WORDS_BIGENDIAN) || defined (__BIG_ENDIAN__)				ubyte send_data [MAX_PACKETSIZE];#endif				memset (&shortSyncPack, 0, sizeof (shortSyncPack));				CreateShortPos (&shortSyncPack.objPos, OBJECTS+nObject, 0);				shortSyncPack.nType = PID_PDATA;				shortSyncPack.nPlayer = gameData.multiplayer.nLocalPlayer;				shortSyncPack.objRenderType = OBJECTS [nObject].info.renderType;				shortSyncPack.nLevel = gameData.missions.nCurrentLevel;				shortSyncPack.dataSize = networkData.syncPack.dataSize;				memcpy (shortSyncPack.data, networkData.syncPack.data, networkData.syncPack.dataSize);				networkData.syncPack.nPackets = INTEL_INT (gameData.multiplayer.players [0].nPacketsSent++);				shortSyncPack.nPackets = networkData.syncPack.nPackets;#if !(defined (WORDS_BIGENDIAN) || defined (__BIG_ENDIAN__))				IpxSendGamePacket (					reinterpret_cast<ubyte*> (&shortSyncPack), 					sizeof (tFrameInfoShort) - networkData.nMaxXDataSize + networkData.syncPack.dataSize);#else				SquishShortFrameInfo (shortSyncPack, send_data);				IpxSendGamePacket (					reinterpret_cast<ubyte*> (send_data), 					IPX_SHORT_INFO_SIZE-networkData.nMaxXDataSize+networkData.syncPack.dataSize);#endif				}			else {// If long packets					int send_dataSize;				networkData.syncPack.nType = PID_PDATA;				networkData.syncPack.nPlayer = gameData.multiplayer.nLocalPlayer;				networkData.syncPack.objRenderType = OBJECTS [nObject].info.renderType;				networkData.syncPack.nLevel = gameData.missions.nCurrentLevel;				networkData.syncPack.nObjSeg = OBJECTS [nObject].info.nSegment;				networkData.syncPack.objPos = OBJECTS [nObject].info.position.vPos;				networkData.syncPack.objOrient = OBJECTS [nObject].info.position.mOrient;				networkData.syncPack.physVelocity = OBJECTS [nObject].mType.physInfo.velocity;				networkData.syncPack.physRotVel = OBJECTS [nObject].mType.physInfo.rotVel;				send_dataSize = networkData.syncPack.dataSize;                  // do this so correct size data is sent#if defined (WORDS_BIGENDIAN) || defined (__BIG_ENDIAN__)                        // do the swap stuff				if (gameStates.multi.nGameType >= IPX_GAME) {					networkData.syncPack.nObjSeg = INTEL_SHORT (networkData.syncPack.nObjSeg);					INTEL_VECTOR (networkData.syncPack.objPos);					INTEL_MATRIX (networkData.syncPack.objOrient);					INTEL_VECTOR (networkData.syncPack.physVelocity);					INTEL_VECTOR (networkData.syncPack.physRotVel);					networkData.syncPack.dataSize = INTEL_SHORT (networkData.syncPack.dataSize);					}#endif				networkData.syncPack.nPackets = INTEL_INT (gameData.multiplayer.players [0].nPacketsSent++);				IpxSendGamePacket (					reinterpret_cast<ubyte*> (&networkData.syncPack), 					sizeof (tFrameInfo) - networkData.nMaxXDataSize + send_dataSize);				}			networkData.syncPack.dataSize = 0;               // Start data over at 0 length.			networkData.bD2XData = 0;			if (gameData.reactor.bDestroyed) {				if (gameStates.app.bPlayerIsDead)					LOCALPLAYER.connected=3;				if (TimerGetApproxSeconds () > (xLastEndlevel+ (I2X (1)/2))) {					NetworkSendEndLevelPacket ();					xLastEndlevel = TimerGetApproxSeconds ();					}				}			}		}//.........这里部分代码省略.........

float WallAlpha (short nSegment, short nSide, short nWall, ubyte widFlags, int bIsMonitor, ubyte bAdditive,					  tRgbaColorf *colorP, int *nColor, ubyte *bTextured, ubyte *bCloaked, ubyte* bTransparent){	static tRgbaColorf cloakColor = {1, 1, 1, 0};	CWall	*wallP;	float fAlpha, fMaxColor;	short	c;if (!IS_WALL (nWall))	return 1;#if DBGif ((nSegment == nDbgSeg) && ((nDbgSide < 0) || (nSide == nDbgSide)))	nDbgSeg = nDbgSeg;#endifif (!(wallP = WALLS + nWall))	return 1;if (SHOW_DYN_LIGHT) {	*bTransparent = (wallP->state == WALL_DOOR_CLOAKING) || (wallP->state == WALL_DOOR_DECLOAKING);	*bCloaked = !*bTransparent && ((widFlags & WID_CLOAKED_FLAG) != 0);	}else {	*bTransparent = 0;	*bCloaked = (wallP->state == WALL_DOOR_CLOAKING) || (wallP->state == WALL_DOOR_DECLOAKING) || ((widFlags & WID_CLOAKED_FLAG) != 0);	}if (*bCloaked || *bTransparent || (widFlags & WID_TRANSPARENT_FLAG)) {	if (bIsMonitor)		return 1;	c = wallP->cloakValue;	if (*bCloaked || *bTransparent) {		*colorP = cloakColor;		*nColor = 1;		*bTextured = !*bCloaked;		colorP->alpha = (c >= FADE_LEVELS) ? 0 : 1.0f - float (c) / float (FADE_LEVELS);		if (*bTransparent)			colorP->red =			colorP->green =			colorP->blue = colorP->alpha;#if DBG		if (colorP->alpha < 1)			return colorP->alpha;#endif		return colorP->alpha;		}	if (!gameOpts->render.color.bWalls)		c = 0;	if (WALLS [nWall].hps)		fAlpha = (float) fabs ((1.0f - (float) WALLS [nWall].hps / ((float) I2X (100))));	else if (IsMultiGame && gameStates.app.bHaveExtraGameInfo [1])		fAlpha = COMPETITION ? 0.5f : (float) (FADE_LEVELS - extraGameInfo [1].grWallTransparency) / (float) FADE_LEVELS;	else		fAlpha = 1.0f - extraGameInfo [0].grWallTransparency / (float) FADE_LEVELS;	if (fAlpha < 1) {		//fAlpha = (float) sqrt (fAlpha);		paletteManager.Game ()->ToRgbaf ((ubyte) c, *colorP);		if (bAdditive) {			colorP->red /= fAlpha;			colorP->green /= fAlpha;			colorP->blue /= fAlpha;			}		fMaxColor = colorP->red;		if (fMaxColor < colorP->green)			fMaxColor = colorP->green;		if (fMaxColor < colorP->blue)			fMaxColor = colorP->blue;		if (fMaxColor > 1) {			colorP->red /= fMaxColor;			colorP->green /= fMaxColor;			colorP->blue /= fMaxColor;			}		*bTextured = 0;		*nColor = 1;		}	return colorP->alpha = fAlpha;	}if (gameStates.app.bD2XLevel) {	c = wallP->cloakValue;	return colorP->alpha = (c && (c < FADE_LEVELS)) ? (float) (FADE_LEVELS - c) / (float) FADE_LEVELS : 1;	}if (gameOpts->render.effects.bAutoTransparency && IsTransparentTexture (SEGMENTS [nSegment].m_sides [nSide].m_nBaseTex))	return colorP->alpha = 0.8f;return colorP->alpha = 1;}

// --------------------------------------------------------------------------------------------------------------------//	Note: Parameter gameData.ai.vVecToPlayer is only passed now because guns which aren't on the forward vector from the//	center of the robot will not fire right at the player.  We need to aim the guns at the player.  Barring that, we cheat.//	When this routine is complete, the parameter gameData.ai.vVecToPlayer should not be necessary.void AIFireLaserAtPlayer (CObject *objP, CFixVector *vFirePoint, int nGun, CFixVector *vBelievedPlayerPos){	short				nShot, nObject = objP->Index ();	tAILocalInfo	*ailP = gameData.ai.localInfo + nObject;	tRobotInfo		*botInfoP = &ROBOTINFO (objP->info.nId);	CFixVector		vFire;	CFixVector		bpp_diff;	short				nWeaponType;	fix				aim, dot;	int				count, i;Assert (nObject >= 0);//	If this robot is only awake because a camera woke it up, don't fire.if (objP->cType.aiInfo.SUB_FLAGS & SUB_FLAGS_CAMERA_AWAKE)	return;if (!gameStates.app.cheats.bRobotsFiring)	return;if (objP->info.controlType == CT_MORPH)	return;//	If player is exploded, stop firing.if (gameStates.app.bPlayerExploded)	return;if (objP->cType.aiInfo.xDyingStartTime)	return;		//	No firing while in death roll.//	Don't let the boss fire while in death roll.  Sorry, this is the easiest way to do this.//	If you try to key the boss off objP->cType.aiInfo.xDyingStartTime, it will hose the endlevel stuff.if (ROBOTINFO (objP->info.nId).bossFlag) {	i = gameData.bosses.Find (nObject);	if ((i < 0) || (gameData.bosses [i].m_nDyingStartTime))		return;	}//	If CPlayerData is cloaked, maybe don't fire based on how long cloaked and randomness.if (LOCALPLAYER.flags & PLAYER_FLAGS_CLOAKED) {	fix	xCloakTime = gameData.ai.cloakInfo [nObject % MAX_AI_CLOAK_INFO].lastTime;	if ((gameData.time.xGame - xCloakTime > CLOAK_TIME_MAX/4) &&		 (d_rand () > FixDiv (gameData.time.xGame - xCloakTime, CLOAK_TIME_MAX)/2)) {		SetNextFireTime (objP, ailP, botInfoP, nGun);		return;		}	}//	Handle problem of a robot firing through a CWall because its gun tip is on the other//	CSide of the CWall than the robot's center.  For speed reasons, we normally only compute//	the vector from the gun point to the player.  But we need to know whether the gun point//	is separated from the robot's center by a CWall.  If so, don't fire!if (objP->cType.aiInfo.SUB_FLAGS & SUB_FLAGS_GUNSEG) {	//	Well, the gun point is in a different CSegment than the robot's center.	//	This is almost always ok, but it is not ok if something solid is in between.	int	nGunSeg = FindSegByPos (*vFirePoint, objP->info.nSegment, 1, 0);	//	See if these segments are connected, which should almost always be the case.	short nConnSide = SEGMENTS [nGunSeg].ConnectedSide (&SEGMENTS [objP->info.nSegment]);	if (nConnSide != -1) {		//	They are connected via nConnSide in CSegment objP->info.nSegment.		//	See if they are unobstructed.		if (!(SEGMENTS [objP->info.nSegment].IsDoorWay (nConnSide, NULL) & WID_FLY_FLAG)) {			//	Can't fly through, so don't let this bot fire through!			return;			}		}	else {		//	Well, they are not directly connected, so use FindVectorIntersection to see if they are unobstructed.		tFVIQuery	fq;		tFVIData		hit_data;		int			fate;		fq.startSeg			= objP->info.nSegment;		fq.p0					= &objP->info.position.vPos;		fq.p1					= vFirePoint;		fq.radP0				=		fq.radP1				= 0;		fq.thisObjNum		= objP->Index ();		fq.ignoreObjList	= NULL;		fq.flags				= FQ_TRANSWALL;		fate = FindVectorIntersection (&fq, &hit_data);		if (fate != HIT_NONE) {			Int3 ();		//	This bot's gun is poking through a CWall, so don't fire.			MoveTowardsSegmentCenter (objP);		//	And decrease chances it will happen again.			return;			}		}	}//	Set position to fire at based on difficulty level and robot's aiming abilityaim = I2X (FIRE_K) - (FIRE_K-1)* (botInfoP->aim << 8);	//	I2X (1) in bitmaps.tbl = same as used to be.  Worst is 50% more error.//	Robots aim more poorly during seismic disturbance.if (gameStates.gameplay.seismic.nMagnitude) {	fix temp = I2X (1) - abs (gameStates.gameplay.seismic.nMagnitude);	if (temp < I2X (1)/2)		temp = I2X (1)/2;	aim = FixMul (aim, temp);	}//	Lead the CPlayerData half the time.//	Note that when leading the CPlayerData, aim is perfect.  This is probably acceptable since leading is so hacked in.//	Problem is all robots will lead equally badly.if (d_rand () < 16384) {	if (LeadPlayer (objP, vFirePoint, vBelievedPlayerPos, nGun, &vFire))		//	Stuff direction to fire at in vFirePoint.		goto player_led;//.........这里部分代码省略.........

void RenderLaserCorona (CObject *objP, tRgbaColorf *colorP, float alpha, float fScale){if (!SHOW_OBJ_FX)	return;if (SHOW_SHADOWS && (gameStates.render.nShadowPass != 1))	return;if (gameOpts->render.coronas.bShots && LoadGlare ()) {	tHitbox*			phb = &gameData.models.hitboxes [objP->rType.polyObjInfo.nModel].hitboxes [0];	float				fLength = X2F (phb->vMax [Z] - phb->vMin [Z]) / 2;	tRgbaColorf		color;	static CFloatVector	vEye = CFloatVector::ZERO;	colorP->alpha = alpha;	float fScale = coronaIntensities [gameOpts->render.coronas.nObjIntensity] / 2;	color = *colorP;	colorP = &color;	color.red *= fScale;	color.green *= fScale;	color.blue *= fScale;	bmpGlare->SetColor (colorP);	ogl.RenderSprite (bmpGlare, objP->info.position.vPos + objP->info.position.mOrient.FVec () * (F2X (fLength - 0.5f)), I2X (1), I2X (1), alpha, LIGHTTRAIL_BLENDMODE, 1);	bmpGlare->SetColor (NULL);	}}

int GetCloakInfo (CObject *objP, fix xCloakStartTime, fix xCloakEndTime, tCloakInfo *ciP){	tCloakInfo	ci = {0, CLOAKED_FADE_LEVEL, I2X (1), I2X (1), I2X (1), 0, 0};	int			i;if (!(xCloakStartTime || xCloakEndTime)) {	if (objP->info.nType == OBJ_PLAYER) {		xCloakStartTime = gameData.multiplayer.players [objP->info.nId].cloakTime;		xCloakEndTime = gameData.multiplayer.players [objP->info.nId].cloakTime + CLOAK_TIME_MAX;		}	else if (objP->info.nType == OBJ_ROBOT) {		if (!ROBOTINFO (objP->info.nId).bossFlag) {			xCloakStartTime = gameData.time.xGame - I2X (10);			xCloakEndTime = gameData.time.xGame + I2X (10);			}		else if (0 <= (i = gameData.bosses.Find (objP->Index ()))) {			xCloakStartTime = gameData.bosses [i].m_nCloakStartTime;			xCloakEndTime = gameData.bosses [i].m_nCloakEndTime;			}		}	}if (xCloakStartTime != 0x7fffffff)	ci.xTotalTime = xCloakEndTime - xCloakStartTime;else	ci.xTotalTime = gameData.time.xGame;if (objP->info.nType == OBJ_PLAYER) {	ci.xFadeinDuration = CLOAK_FADEIN_DURATION_PLAYER;	ci.xFadeoutDuration = CLOAK_FADEOUT_DURATION_PLAYER;	}else if (objP->info.nType == OBJ_ROBOT) {	ci.xFadeinDuration = CLOAK_FADEIN_DURATION_ROBOT;	ci.xFadeoutDuration = CLOAK_FADEOUT_DURATION_ROBOT;	}else	return 0;ci.xDeltaTime = gameData.time.xGame - ((xCloakStartTime == 0x7fffffff) ? 0 : xCloakStartTime);#if 0if (ci.xDeltaTime < ci.xFadeinDuration) {	// make object transparent during second half	ci.nFadeValue = X2I (FixDiv (ci.xFadeinDuration - ci.xDeltaTime, ci.xFadeinDuration) * CLOAKED_FADE_LEVEL);	ci.bFading = 1;	}#else// only decrease light during first half of cloak initiation timeif (ci.xDeltaTime < ci.xFadeinDuration / 2) {	ci.xLightScale = FixDiv (ci.xFadeinDuration / 2 - ci.xDeltaTime, ci.xFadeinDuration / 2);	ci.bFading = -1;	}else if (ci.xDeltaTime < ci.xFadeinDuration) {	// make object transparent during second half	ci.nFadeValue = X2I (FixDiv (ci.xDeltaTime - ci.xFadeinDuration / 2, ci.xFadeinDuration / 2) * CLOAKED_FADE_LEVEL);	ci.bFading = 1;	}#endifelse if ((xCloakStartTime == 0x7fffffff) || (gameData.time.xGame < xCloakEndTime - ci.xFadeoutDuration)) {	static int nCloakDelta = 0, nCloakDir = 1;	static fix xCloakTimer = 0;	//note, if more than one cloaked CObject is visible at once, the	//pulse rate will change!	xCloakTimer -= gameData.time.xFrame;	while (xCloakTimer < 0) {		xCloakTimer += ci.xFadeoutDuration / 12;		nCloakDelta += nCloakDir;		if (nCloakDelta == 0 || nCloakDelta == 4)			nCloakDir = -nCloakDir;		}	ci.nFadeValue = CLOAKED_FADE_LEVEL - nCloakDelta;	}else if (gameData.time.xGame < xCloakEndTime - ci.xFadeoutDuration / 2) {	ci.nFadeValue = X2I (FixDiv (ci.xTotalTime - ci.xFadeoutDuration / 2 - ci.xDeltaTime, ci.xFadeoutDuration / 2) * CLOAKED_FADE_LEVEL);	ci.bFading = -1;	}else {	ci.xLightScale = (fix) ((float) (ci.xFadeoutDuration / 2 - (ci.xTotalTime - ci.xDeltaTime) / (float) (ci.xFadeoutDuration / 2)));	ci.bFading = 1;	}if (ciP)	*ciP = ci;return ci.bFading;}

int CParticle::Create (CFixVector *vPos, CFixVector *vDir, CFixMatrix *mOrient,							  short nSegment, int nLife, int nSpeed, char nParticleSystemType, char nClass,						     float nScale, tRgbaColorf *colorP, int nCurTime, int bBlowUp,							  float fBrightness, CFixVector *vEmittingFace){	static tRgbaColorf	defaultColor = {1,1,1,1};	tRgbaColorf	color;	CFixVector	vDrift;	int			nRad, nFrames, nType = particleImageManager.GetType (nParticleSystemType);if (nScale < 0)	nRad = (int) -nScale;else if (gameOpts->render.particles.bSyncSizes)	nRad = (int) PARTICLE_SIZE (gameOpts->render.particles.nSize [0], nScale);else	nRad = (int) nScale;if (!nRad)	nRad = I2X (1);m_nType = nType;m_bEmissive = (nParticleSystemType == LIGHT_PARTICLES);m_nClass = nClass;m_nSegment = nSegment;m_nBounce = 0;color = colorP ? *colorP : defaultColor;m_color [0] =m_color [1] = color;if ((nType == BULLET_PARTICLES) || (nType == BUBBLE_PARTICLES)) {	m_bBright = 0;	m_nFade = -1;	}else {	m_bBright = (nType == SMOKE_PARTICLES) ? (rand () % 50) == 0 : 0;	if (colorP) {		if (nType != LIGHT_PARTICLES) {			m_color [0].red *= RANDOM_FADE;			m_color [0].green *= RANDOM_FADE;			m_color [0].blue *= RANDOM_FADE;			}		m_nFade = 0;		}	else {		m_color [0].red = 1.0f;		m_color [0].green = 0.5f;		m_color [0].blue = 0.0f;		m_nFade = 2;		}	if (m_bEmissive)		m_color [0].alpha = (float) (SMOKE_START_ALPHA + 64) / 255.0f;	else if (nParticleSystemType != GATLING_PARTICLES) {		if (!colorP)			m_color [0].alpha = (float) (SMOKE_START_ALPHA + randN (64)) / 255.0f;		else {			if (colorP->alpha < 0)				m_color [0].alpha = -colorP->alpha;			else {				if (2 == (m_nFade = (char) colorP->alpha)) {					m_color [0].red = 1.0f;					m_color [0].green = 0.5f;					m_color [0].blue = 0.0f;					}				m_color [0].alpha = (float) (SMOKE_START_ALPHA + randN (64)) / 255.0f;				}			}		}#if 1	if (gameOpts->render.particles.bDisperse && !m_bBright) {		fBrightness = 1.0f - fBrightness;		m_color [0].alpha += fBrightness * fBrightness / 8.0f;		}#endif	}//nSpeed = (int) (sqrt (nSpeed) * (float) I2X (1));nSpeed *= I2X (1);if (vDir) {	CAngleVector	a;	CFixMatrix		m;	float				d;	a [PA] = randN (I2X (1) / 4) - I2X (1) / 8;	a [BA] = randN (I2X (1) / 4) - I2X (1) / 8;	a [HA] = randN (I2X (1) / 4) - I2X (1) / 8;	m = CFixMatrix::Create (a);	vDrift = m * (*vDir);	CFixVector::Normalize (vDrift);	d = (float) CFixVector::DeltaAngle (vDrift, *vDir, NULL);	if (d) {		d = (float) exp ((I2X (1) / 8) / d);		nSpeed = (fix) ((float) nSpeed / d);		}#if 0	if (!colorP)	// hack for static particleSystem w/o user defined color		m_color [0].green =		m_color [0].blue = 1.0f;#endif	vDrift *= nSpeed;	if ((nType == SMOKE_PARTICLES) || (nType == BUBBLE_PARTICLES))		m_vDir = *vDir * (I2X (3) / 4 + I2X (randN (16)) / 64);	else		m_vDir = *vDir;//.........这里部分代码省略.........

// Volume 0-I2X (1)int CAudioChannel::Start (short nSound, int nSoundClass, fix nVolume, int nPan, int bLooping, 								  int nLoopStart, int nLoopEnd, int nSoundObj, int nSpeed, 								  const char *pszWAV, CFixVector* vPos){	CSoundSample*	soundP = NULL;	int			bPersistent = (nSoundObj > -1) || bLooping || (nVolume > I2X (1));if (!(pszWAV && *pszWAV && gameOpts->sound.bUseSDLMixer)) {	if (nSound < 0)		return -1;	if (!gameData.pig.sound.nSoundFiles [gameStates.sound.bD1Sound])		return -1;	soundP = gameData.pig.sound.sounds [gameStates.sound.bD1Sound] + nSound % gameData.pig.sound.nSoundFiles [gameStates.sound.bD1Sound];	if (!(soundP->data [soundP->bCustom].Buffer () && soundP->nLength [soundP->bCustom]))		return -1;	}if (m_info.bPlaying) {	m_info.bPlaying = 0;	if (m_info.nSoundObj > -1)		audio.EndSoundObject (m_info.nSoundObj);	if (soundQueue.Channel () == audio.FreeChannel ())		soundQueue.End ();	}#if USE_OPENALif (m_info.source == 0xFFFFFFFF) {	CFloatVector	fPos;	DigiALError ();	alGenSources (1, &m_info.source);	if (DigiALError ())		return -1;	alSourcei (m_info.source, AL_BUFFER, soundP->buffer);	if (DigiALError ())		return -1;	alSourcef (m_info.source, AL_GAIN, ((nVolume < I2X (1)) ? X2F (nVolume) : 1) * 2 * X2F (m_info.nVolume));	alSourcei (m_info.source, AL_LOOPING, (ALuint) ((nSoundObj > -1) || bLooping || (nVolume > I2X (1))));	fPos.Assign (vPos ? *vPos : OBJECTS [LOCALPLAYER.nObject].nPosition.vPos);	alSourcefv (m_info.source, AL_POSITION, reinterpret_cast<ALfloat*> (fPos));	alSource3f (m_info.source, AL_VELOCITY, 0, 0, 0);	alSource3f (m_info.source, AL_DIRECTION, 0, 0, 0);	if (DigiALError ())		return -1;	alSourcePlay (m_info.source);	if (DigiALError ())		return -1;	}#endif#if USE_SDL_MIXERif (gameOpts->sound.bUseSDLMixer) {	if (m_info.mixChunkP) {		Mix_HaltChannel (m_info.nChannel);		if (m_info.bBuiltIn)			m_info.bBuiltIn = 0;		else			Mix_FreeChunk (m_info.mixChunkP);		m_info.mixChunkP = NULL;		}	}#endifif (m_info.bResampled) {	m_info.sample.Destroy ();	m_info.bResampled = 0;	}#if USE_SDL_MIXERif (gameOpts->sound.bUseSDLMixer) {	//resample to two channels	m_info.nChannel = audio.FreeChannel ();	if (pszWAV && *pszWAV) {		if (!(m_info.mixChunkP = LoadAddonSound (pszWAV, &m_info.bBuiltIn)))			return -1;		}	else {		int l;		if (soundP->bHires) {			l = soundP->nLength [soundP->bCustom];			m_info.sample.SetBuffer (soundP->data [soundP->bCustom].Buffer (), 1, l);			m_info.mixChunkP = Mix_QuickLoad_WAV (reinterpret_cast<Uint8*> (m_info.sample.Buffer ()));			}		else {			if (gameOpts->sound.bHires [0])				return -1;	//cannot mix hires and standard sounds			l = Resample (soundP, gameStates.sound.bD1Sound && (gameOpts->sound.digiSampleRate != SAMPLE_RATE_11K), songManager.MP3 ());			if (l <= 0)				return -1;			if (nSpeed < I2X (1))				l = Speedup (soundP, nSpeed);#if MAKE_WAV			m_info.mixChunkP = Mix_QuickLoad_WAV (reinterpret_cast<Uint8*> (m_info.sample.Buffer ()));#else			m_info.mixChunkP = Mix_QuickLoad_RAW (reinterpret_cast<Uint8*> (m_info.sample.Buffer ()), l);#endif			}		}	Mix_VolPan (m_info.nChannel, nVolume, nPan);	Mix_PlayChannel (m_info.nChannel, m_info.mixChunkP, bLooping ? -1 : nLoopEnd - nLoopStart);	}else #elseif (pszWAV && *pszWAV)//.........这里部分代码省略.........

//.........这里部分代码省略.........			}		}	}else {	nTransp = 3;	fAlpha = 1.0f;	}#if 0if (bmi < 0) {	PageInAddonBitmap (bmi);	bmP = gameData.pig.tex.addonBitmaps - bmi - 1;#if DBG	if ((objP->rType.vClipInfo.nCurFrame < 0) || (objP->rType.vClipInfo.nCurFrame >= bmP->FrameCount ())) {		objP->rType.vClipInfo.nCurFrame = 0;		return;		}#endif	}else {	LoadBitmap (bmi, 0);	bmP = gameData.pig.tex.bitmaps [0] + bmi;	}#elseif (bmi < 0) {	bmP = gameData.pig.tex.addonBitmaps - bmi - 1;	bmP = bmP->SetCurFrame (iFrame);	}else {	CBitmap* bmoP;	bmP = gameData.pig.tex.bitmaps [0] + bmi;	if ((bmP->Type () == BM_TYPE_STD) && (bmoP = bmP->Override ()))		bmP = bmoP->SetCurFrame (iFrame);	}#endif//bmP->SetupTexture (1, 1);if (!bmP)	return;#if 0if (!bmP->Prepared () && bmP->PrepareTexture (1, 0))	return;#endiffScale = ObjectBlobColor (objP, bmP, &color);if (colorP /*&& (bmi >= 0)*/)	*colorP = color;	//memcpy (colorP, gameData.pig.tex.bitmapColors + bmi, sizeof (tRgbaColorf));xSize = objP->info.xSize;if (nType == OBJ_POWERUP) {	if ((bEnergy && gameOpts->render.coronas.bPowerups) || (!bEnergy && gameOpts->render.coronas.bWeapons))		RenderPowerupCorona (objP, color.red, color.green, color.blue,									coronaIntensities [gameOpts->render.coronas.nObjIntensity]);	}if ((objP->info.nType == OBJ_POWERUP) && (objP->info.nId == POW_SHIELD_BOOST) &&	 !gameStates.app.bNostalgia && gameOpts->render.powerups.b3D && gameOpts->render.powerups.b3DShields) {	if ((objP->mType.physInfo.velocity.IsZero ()) && (objP->info.movementType != MT_SPINNING)) {		objP->info.movementType = MT_SPINNING;		objP->mType.spinRate = objP->info.position.mOrient.UVec () * (I2X (1) / 8);		}	//the actual shield in the sprite texture has 3/4 of the textures size	DrawShieldSphere (objP, 3 * color.red / 2, 3 * color.green / 2, 3 * color.blue / 2, 1.0f, 3 * objP->info.xSize / 4);	}else if ((gameOpts->render.bDepthSort > 0) && (fAlpha < 1)) {	if (bAdditive) {#if 1		color.red =		color.green =		color.blue = 0.5f;#else		if ((nType == OBJ_FIREBALL) && (fScale > 0)) {			fScale = 1.0f - fScale / 6.0f;			color.red *= fScale;			color.green *= fScale;			color.blue *= fScale;			}#endif		}	else		color.red =		color.green =		color.blue = 1;	color.alpha = fAlpha;	if (bmP->Width () > bmP->Height ())		transparencyRenderer.AddSprite (bmP, objP->info.position.vPos, &color, xSize, FixMulDiv (xSize, bmP->Height (), bmP->Width ()),												  iFrame, bAdditive, (nType == OBJ_FIREBALL) ? 10.0f : 0.0f);	else		transparencyRenderer.AddSprite (bmP, objP->info.position.vPos, &color, FixMulDiv (xSize, bmP->Width (), bmP->Height ()), xSize,												  iFrame, bAdditive, (nType == OBJ_FIREBALL) ? 10.0f : 0.0f);	}else {	if (bmP->Width () > bmP->Height ())		G3DrawBitmap (objP->info.position.vPos, xSize, FixMulDiv (xSize, bmP->Height (), bmP->Width ()), bmP, NULL, fAlpha, nTransp);	else		G3DrawBitmap (objP->info.position.vPos, FixMulDiv (xSize, bmP->Width (), bmP->Height ()), xSize, bmP, NULL, fAlpha, nTransp);	}gameData.render.nTotalSprites++;}

static int RenderWeaponModel (CObject* objP, int bDepthSort, int bSpectate){if (automap.m_bDisplay && !AM_SHOW_POWERUPS (1))	return 0;if (!(gameStates.app.bNostalgia || gameOpts->render.powerups.b3D) && WeaponIsMine (objP->info.nId) && (objP->info.nId != SMALLMINE_ID))	ConvertWeaponToVClip (objP);else {	if (gameStates.render.nType != 1)		return 0;	if (gameData.objs.bIsMissile [objP->info.nId]) {	//make missiles smaller during launch		if ((objP->cType.laserInfo.parent.nType == OBJ_PLAYER) &&			 (gameData.models.renderModels [1][108].m_bValid > 0)) {	//hires player ship			float dt = X2F (gameData.time.xGame - objP->CreationTime ());			if (dt < 1) {				fix xScale = (fix) (I2X (1) + I2X (1) * dt * dt) / 2;				gameData.models.vScale.Set (xScale, xScale, xScale);				}			}		//DoObjectSmoke (objP);		DrawPolygonObject (objP, bDepthSort, 0);#if RENDER_HITBOX#	if 0		DrawShieldSphere (objP, 0.66f, 0.2f, 0.0f, 0.4f);#	else		RenderHitbox (objP, 0.5f, 0.0f, 0.6f, 0.4f);#	endif#endif		RenderThrusterFlames (objP);		gameData.models.vScale.SetZero ();		}	else {#if RENDER_HITBOX#	if 0		DrawShieldSphere (objP, 0.66f, 0.2f, 0.0f, 0.4f);#	else		RenderHitbox (objP, 0.5f, 0.0f, 0.6f, 0.4f);#	endif#endif		if (objP->info.nType != OBJ_WEAPON) {			DrawPolygonObject (objP, bDepthSort, 0);			if ((objP->info.nId != SMALLMINE_ID) && !gameStates.render.bQueryCoronas)				RenderLightTrail (objP);			}		else {			if ((objP->info.nId == VULCAN_ID) || (objP->info.nId == GAUSS_ID)) {				if (SHOW_OBJ_FX && extraGameInfo [0].bTracers) {					if (!gameStates.render.bQueryCoronas)						RenderLightTrail (objP);					gameData.models.vScale.Set (I2X (1) / 4, I2X (1) / 4, I2X (2));					CFixVector vSavedPos = objP->info.position.vPos;					objP->info.position.vPos += objP->info.position.mOrient.FVec ();					DrawPolygonObject (objP, bDepthSort, 0);					objP->info.position.vPos = vSavedPos;					}				}			else {				if ((objP->info.nId != SMALLMINE_ID) && !gameStates.render.bQueryCoronas)					RenderLightTrail (objP);				DrawPolygonObject (objP, bDepthSort, 0);				}			gameData.models.vScale.SetZero ();			}		}	}return 1;}

fix SetVertexLight (int nSegment, int nSide, int nVertex, tFaceColor *colorP, fix light){	tRgbColorf	*pdc;	fix			dynLight;	float			fl, dl, hl;//the tUVL struct has static light already in it//scale static light for destruction effectif (EGI_FLAG (bDarkness, 0, 0, 0))	light = 0;else {#if LMAP_LIGHTADJUST	if (USE_LIGHTMAPS) {		else {			light = I2X (1) / 2 + gameData.render.lights.segDeltas [nSegment * 6 + nSide];			if (light < 0)				light = 0;			}		}#endif	if (gameData.reactor.bDestroyed || gameStates.gameplay.seismic.nMagnitude)	//make lights flash		light = FixMul (gameStates.render.nFlashScale, light);	}//add in dynamic light (from explosions, etc.)dynLight = gameData.render.lights.dynamicLight [nVertex];fl = X2F (light);dl = X2F (dynLight);light += dynLight;#if DBGif (nVertex == nDbgVertex)	nVertex = nVertex;#endifif (gameStates.app.bHaveExtraGameInfo [IsMultiGame]) {	if (gameData.render.lights.bGotDynColor [nVertex]) {		pdc = gameData.render.lights.dynamicColor + nVertex;		if (gameOpts->render.color.bMix) {			if (gameOpts->render.color.bGunLight) {				if (gameStates.render.bAmbientColor) {					if ((fl != 0) && gameData.render.color.vertBright [nVertex]) {						hl = fl / gameData.render.color.vertBright [nVertex];						colorP->color.red = colorP->color.red * hl + pdc->red * dl;						colorP->color.green = colorP->color.green * hl + pdc->green * dl;						colorP->color.blue = colorP->color.blue * hl + pdc->blue * dl;						ScaleColor (colorP, fl + dl);						}					else {						colorP->color.red = pdc->red * dl;						colorP->color.green = pdc->green * dl;						colorP->color.blue = pdc->blue * dl;						ScaleColor (colorP, dl);						}					}				else {					colorP->color.red = fl + pdc->red * dl;					colorP->color.green = fl + pdc->green * dl;					colorP->color.blue = fl + pdc->blue * dl;					ScaleColor (colorP, fl + dl);					}				}			else {				colorP->color.red =				colorP->color.green =				colorP->color.blue = fl + dl;				}			if (gameOpts->render.color.bCap) {				if (colorP->color.red > 1.0)					colorP->color.red = 1.0;				if (colorP->color.green > 1.0)					colorP->color.green = 1.0;				if (colorP->color.blue > 1.0)					colorP->color.blue = 1.0;				}			}		else {			float dl = X2F (light);			dl = (float) pow (dl, 1.0f / 3.0f);			colorP->color.red = pdc->red * dl;			colorP->color.green = pdc->green * dl;			colorP->color.blue = pdc->blue * dl;			}		}	else {		ScaleColor (colorP, fl + dl);		}	}else {	ScaleColor (colorP, fl + dl);	}//saturate at max valueif (light > MAX_LIGHT)	light = MAX_LIGHT;return light;}

int DrawPolygonObject (CObject *objP, int bDepthSort, int bForce){	fix	xLight;	int	imSave = 0;	fix	xEngineGlow [2];		//element 0 is for engine glow, 1 for headlight	int	bBlendPolys = 0;	int	bBrightPolys = 0;	int	bGatling = 0;	int	bCloaked = ObjectIsCloaked (objP);	int	bEnergyWeapon;	int	i, id, bOk = 0;if (objP->info.nType == 255)	return 0;id = (int) objP->info.nId;if ((id < 0) || (id == 255))	bEnergyWeapon = id = 0;else {#if 0	bGatling = ((objP->info.nType == OBJ_WEAPON) && ((id == VULCAN_ID) || (id == GAUSS_ID)));#endif	bEnergyWeapon = (objP->info.nType == OBJ_WEAPON) && gameData.objs.bIsWeapon [id] && !gameData.objs.bIsMissile [id];	}#if SHADOWSif (!bForce && FAST_SHADOWS && !gameOpts->render.shadows.bSoft && (gameStates.render.nShadowPass == 3))	return 1;#endifif (gameStates.render.bBuildModels)	xLight = I2X (1);else {	xLight = CalcObjectLight (objP, xEngineGlow);	if ((bCloaked || bEnergyWeapon) && bDepthSort && (gameStates.render.nShadowPass != 2)) {		transparencyRenderer.AddObject (objP);		return 1;		}	if (DrawHiresObject (objP, xLight, xEngineGlow))		return 1;	gameStates.render.bBrightObject = bEnergyWeapon;	gameOpts->render.bDepthSort = -gameOpts->render.bDepthSort;	imSave = gameStates.render.nInterpolationMethod;	if (bLinearTMapPolyObjs)		gameStates.render.nInterpolationMethod = 1;	}if (objP->rType.polyObjInfo.nTexOverride != -1) {#if DBG	CPolyModel* pm = gameData.models.polyModels [0] + objP->rType.polyObjInfo.nModel;#endif	tBitmapIndex	bm = gameData.pig.tex.bmIndex [0][objP->rType.polyObjInfo.nTexOverride],						bmiP [MAX_MODEL_TEXTURES];#if DBG	Assert (pm->TextureCount () <= 12);#endif	for (i = 0; i < MAX_MODEL_TEXTURES; i++)		//fill whole array, in case simple model needs more		bmiP [i] = bm;	bOk = DrawPolyModel (objP, &objP->info.position.vPos,								&objP->info.position.mOrient,								reinterpret_cast<CAngleVector*> ( &objP->rType.polyObjInfo.animAngles),								objP->rType.polyObjInfo.nModel,								objP->rType.polyObjInfo.nSubObjFlags,								xLight,								xEngineGlow,								bmiP,								NULL);	}else {	if (bCloaked) {		if (objP->info.nType == OBJ_PLAYER)			bOk = DrawCloakedObject (objP, xLight, xEngineGlow, gameData.multiplayer.players [id].cloakTime,											 gameData.multiplayer.players [id].cloakTime + CLOAK_TIME_MAX);		else if (objP->info.nType == OBJ_ROBOT) {			if (!ROBOTINFO (id).bossFlag)				bOk = DrawCloakedObject (objP, xLight, xEngineGlow, gameData.time.xGame - I2X (10), gameData.time.xGame + I2X (10));			else if (0 <= (i = gameData.bosses.Find (objP->Index ())))				bOk = DrawCloakedObject (objP, xLight, xEngineGlow, gameData.bosses [i].m_nCloakStartTime, gameData.bosses [i].m_nCloakEndTime);			}		}	else {		tBitmapIndex *bmiAltTex = (objP->rType.polyObjInfo.nAltTextures > 0) ? mpTextureIndex [objP->rType.polyObjInfo.nAltTextures - 1] : NULL;		//	Snipers get bright when they fire.		if (!gameStates.render.bBuildModels) {			if ((objP->info.nType == OBJ_ROBOT) &&				 (gameData.ai.localInfo [objP->Index ()].nextPrimaryFire < I2X (1) / 8) &&				 (objP->cType.aiInfo.behavior == AIB_SNIPE))				xLight = 2 * xLight + I2X (1);			bBlendPolys = bEnergyWeapon && (gameData.weapons.info [id].nInnerModel > -1);			bBrightPolys = bGatling || (bBlendPolys && WI_energy_usage (id));			if (bEnergyWeapon) {				if (gameOpts->legacy.bRender)					gameStates.render.grAlpha = GrAlpha (FADE_LEVELS - 2);				else					ogl.BlendFunc (GL_ONE, GL_ONE);				}			if (bBlendPolys) {#if 0				fix xDistToEye = CFixVector::Dist(gameData.objs.viewerP->info.position.vPos, objP->info.position.vPos);				if (xDistToEye < gameData.models.nSimpleModelThresholdScale * I2X (2))#endif					bOk = DrawPolyModel (objP, &objP->info.position.vPos, &objP->info.position.mOrient,//.........这里部分代码省略.........

int CFont::DrawString (int left, int top, const char *s){	const char*		textP, * nextRowP, * text_ptr1;	int				width, spacing, letter;	int				x, y;	int				origColor = CCanvas::Current ()->FontColor (0).index; //to allow easy reseting to default string color with colored strings -MPM	float				fScale = fontManager.Scale ();	ubyte				c;	CBitmap*			bmf;	tCanvasColor*	colorP = (m_info.flags & FT_COLOR) ? NULL : &CCanvas::Current ()->FontColor (0);	if (CCanvas::Current ()->Mode () != BM_OGL)	return -1;nextRowP = s;y = top;if (screen.Canvas ()->Mode () != BM_OGL)	Error ("carp./n");while (nextRowP != NULL) {	text_ptr1 = nextRowP;	nextRowP = NULL;	textP = text_ptr1;	x = (left == 0x8000) ? fontManager.Current ()->GetCenteredX (textP) : left;	while ((c = *textP)) {		if (c == '/n') {			nextRowP = textP + 1;			y += m_info.height + 2;			break;			}		letter = c - m_info.minChar;		fontManager.Current ()->GetCharWidth (c, textP [1], width, spacing);		if (c <= 0x06) {	//not in font, draw as space			textP = ScanEmbeddedColors (c, textP, origColor, 128, 2);			continue;			}		if (fontManager.Current ()->InFont (letter)) {			bmf = m_info.bitmaps + letter;			bmf->AddFlags (BM_FLAG_TRANSPARENT);			bmf->RenderScaled (x, y, int (bmf->Width () * fScale), int (bmf->Height () * fScale), I2X (1), 0, colorP);			}		x += spacing;		textP++;		}	}return 0;}

// ------------------------------------------------------------------------// static const initializationsconst CFloatVector  CFloatVector::ZERO  = CFloatVector::Create (0,0,0,1);const CFloatVector  CFloatVector::ZERO4 = CFloatVector::Create (0,0,0,0);const CFloatVector  CFloatVector::XVEC  = CFloatVector::Create (1,0,0,1);const CFloatVector  CFloatVector::YVEC  = CFloatVector::Create (0,1,0,1);const CFloatVector  CFloatVector::ZVEC  = CFloatVector::Create (0,0,1,1);const CFloatVector3 CFloatVector3::ZERO = CFloatVector3::Create (0,0,0);const CFloatVector3 CFloatVector3::XVEC = CFloatVector3::Create (1,0,0);const CFloatVector3 CFloatVector3::YVEC = CFloatVector3::Create (0,1,0);const CFloatVector3 CFloatVector3::ZVEC = CFloatVector3::Create (0,0,1);const CFixVector CFixVector::ZERO = CFixVector::Create (0,0,0);const CFixVector CFixVector::XVEC = CFixVector::Create (I2X (1),0,0);const CFixVector CFixVector::YVEC = CFixVector::Create (0,I2X (1),0);const CFixVector CFixVector::ZVEC = CFixVector::Create (0,0,I2X (1));const CAngleVector CAngleVector::ZERO = CAngleVector::Create (0,0,0);const CFixMatrix CFixMatrix::IDENTITY = CFixMatrix::Create (CFixVector::XVEC,																				CFixVector::YVEC,																				CFixVector::ZVEC);const CFloatMatrix CFloatMatrix::IDENTITY = CFloatMatrix::Create (CFloatVector::Create (1.0f, 0, 0, 0),																						CFloatVector::Create (0, 1.0f, 0, 0),																						CFloatVector::Create (0, 0, 1.0f, 0),																						CFloatVector::Create (0, 0, 0, 1.0f));// ------------------------------------------------------------------------

int GrString (int x, int y, const char *s, int *idP){if (gameOpts->render.coronas.nStyle < 2) {		grsString	*ps;	if ((MODE == BM_OGL) && (ps = GetPoolString (s, idP))) {		CBitmap* bmP = ps->bmP;		float		fScale = fontManager.Scale ();		ps->bmP->RenderScaled (x, y, int (bmP->Width () * fScale), int (bmP->Height () * fScale), I2X (1), 0, &CCanvas::Current ()->FontColor (0));		return (int) (ps - stringPool) + 1;		}	}#if 0return fontManager.Current ()->DrawString (x, y, s);#else	int			w, h, aw, clipped = 0;Assert (fontManager.Current () != NULL);if (x == 0x8000) {	if (y < 0)		clipped |= 1;	fontManager.Current ()->StringSize (s, w, h, aw);	// for x, since this will be centered, only look at	// width.	if (w > CCanvas::Current ()->Width ())		clipped |= 1;	if (y > CCanvas::Current ()->Height ())		clipped |= 3;	else if ((y + h) > CCanvas::Current ()->Height ())		clipped |= 1;	else if ((y + h) < 0)		clipped |= 2;	}else {	if ((x < 0) || (y < 0))		clipped |= 1;	fontManager.Current ()->StringSize (s, w, h, aw);	if (x > CCanvas::Current ()->Width ())		clipped |= 3;	else if ((x + w) > CCanvas::Current ()->Width ())		clipped |= 1;	else if ((x + w) < 0)		clipped |= 2;	if (y > CCanvas::Current ()->Height ())		clipped |= 3;	else if ((y + h) > CCanvas::Current ()->Height ())		clipped |= 1;	else if ((y + h) < 0)		clipped |= 2;	}if (!clipped)	return fontManager.Current ()->DrawString (x, y, s);if (clipped & 2) {	// Completely clipped...	return 0;	}if (clipped & 1) {	// Partially clipped...	}// Partially clipped...if (MODE == BM_OGL)	return fontManager.Current ()->DrawString (x, y, s);if (fontManager.Current ()->Flags () & FT_COLOR)	return fontManager.Current ()->DrawString (x, y, s);if (CCanvas::Current ()->FontColor (1).index == -1)	return GrInternalStringClippedM (x, y, s);return GrInternalStringClipped (x, y, s);#endif}

// --------------------------------------------------------------------------------------------------------------------//	If fire_anyway, fire even if CPlayerData is not visible.  We're firing near where we believe him to be.  Perhaps he's//	lurking behind a corner.void AIDoActualFiringStuff (CObject *objP, tAIStaticInfo *aiP, tAILocalInfo *ailP, tRobotInfo *botInfoP, int nGun){	fix	dot;if ((gameData.ai.nPlayerVisibility == 2) ||	 (gameData.ai.nDistToLastPlayerPosFiredAt < FIRE_AT_NEARBY_PLAYER_THRESHOLD)) {	CFixVector vFirePos = gameData.ai.vBelievedPlayerPos;	//	Hack: If visibility not == 2, we're here because we're firing at a nearby player.	//	So, fire at gameData.ai.vLastPlayerPosFiredAt instead of the CPlayerData position.	if (!botInfoP->attackType && (gameData.ai.nPlayerVisibility != 2))		vFirePos = gameData.ai.vLastPlayerPosFiredAt;	//	Changed by mk, 01/04/95, onearm would take about 9 seconds until he can fire at you.	//	Above comment corrected.  Date changed from 1994, to 1995.  Should fix some very subtle bugs, as well as not cause me to wonder, in the future, why I was writing AI code for onearm ten months before he existed.	if (!gameData.ai.bObjAnimates || ReadyToFire (botInfoP, ailP)) {		dot = CFixVector::Dot (objP->info.position.mOrient.FVec (), gameData.ai.vVecToPlayer);		if ((dot >= I2X (7) / 8) || ((dot > I2X (1) / 4) && botInfoP->bossFlag)) {			if (nGun < botInfoP->nGuns) {				if (botInfoP->attackType == 1) {					if (gameStates.app.bPlayerExploded || (gameData.ai.xDistToPlayer >= objP->info.xSize + gameData.objs.consoleP->info.xSize + I2X (2)))	// botInfoP->circleDistance [gameStates.app.nDifficultyLevel] + gameData.objs.consoleP->info.xSize)						return;					if (!AIMultiplayerAwareness (objP, ROBOT_FIRE_AGITATION - 2))						return;					DoAIRobotHitAttack (objP, gameData.objs.consoleP, &objP->info.position.vPos);					}				else {#if 1					if (AICanFireAtPlayer (objP, &gameData.ai.vGunPoint, &vFirePos)) {#else					if (gameData.ai.vGunPoint.p.x || gameData.ai.vGunPoint.p.y || gameData.ai.vGunPoint.p.z) {#endif						if (!AIMultiplayerAwareness (objP, ROBOT_FIRE_AGITATION))							return;						//	New, multi-weapon-nType system, 06/05/95 (life is slipping awayd:/temp/dm_test.)						if (nGun != 0) {							if (ailP->nextPrimaryFire <= 0) {								AIFireLaserAtPlayer (objP, &gameData.ai.vGunPoint, nGun, &vFirePos);								gameData.ai.vLastPlayerPosFiredAt = vFirePos;								}							if ((ailP->nextSecondaryFire <= 0) && (botInfoP->nSecWeaponType != -1)) {								CalcGunPoint (&gameData.ai.vGunPoint, objP, 0);								AIFireLaserAtPlayer (objP, &gameData.ai.vGunPoint, 0, &vFirePos);								gameData.ai.vLastPlayerPosFiredAt = vFirePos;								}							}						else if (ailP->nextPrimaryFire <= 0) {							AIFireLaserAtPlayer (objP, &gameData.ai.vGunPoint, nGun, &vFirePos);							gameData.ai.vLastPlayerPosFiredAt = vFirePos;							}						}					}				}			//	Wants to fire, so should go into chase mode, probably.			if ((aiP->behavior != AIB_RUN_FROM) &&				 (aiP->behavior != AIB_STILL) &&				 (aiP->behavior != AIB_SNIPE) &&				 (aiP->behavior != AIB_FOLLOW) &&				 !botInfoP->attackType &&				 ((ailP->mode == AIM_FOLLOW_PATH) || (ailP->mode == AIM_IDLING)))				ailP->mode = AIM_CHASE_OBJECT;				aiP->GOAL_STATE = AIS_RECOVER;				ailP->goalState [aiP->CURRENT_GUN] = AIS_RECOVER;				// Switch to next gun for next fire.#if 0				if (++(aiP->CURRENT_GUN) >= botInfoP->nGuns) {					if ((botInfoP->nGuns == 1) || (botInfoP->nSecWeaponType == -1))						aiP->CURRENT_GUN = 0;					else						aiP->CURRENT_GUN = 1;					}#endif				}			}		}else if ((!botInfoP->attackType && gameData.weapons.info [botInfoP->nWeaponType].homingFlag) ||			(((botInfoP->nSecWeaponType != -1) && gameData.weapons.info [botInfoP->nSecWeaponType].homingFlag))) {	fix dist;	//	Robots which fire homing weapons might fire even if they don't have a bead on the player.	if ((!gameData.ai.bObjAnimates || (ailP->achievedState [aiP->CURRENT_GUN] == AIS_FIRE))			&& (((ailP->nextPrimaryFire <= 0) && (aiP->CURRENT_GUN != 0)) ||				((ailP->nextSecondaryFire <= 0) && (aiP->CURRENT_GUN == 0)))			&& ((dist = CFixVector::Dist(gameData.ai.vHitPos, objP->info.position.vPos)) > I2X (40))) {		if (!AIMultiplayerAwareness (objP, ROBOT_FIRE_AGITATION))			return;		AIFireLaserAtPlayer (objP, &gameData.ai.vGunPoint, nGun, &gameData.ai.vBelievedPlayerPos);		aiP->GOAL_STATE = AIS_RECOVER;		ailP->goalState [aiP->CURRENT_GUN] = AIS_RECOVER;		// Switch to next gun for next fire.		if (++(aiP->CURRENT_GUN) >= botInfoP->nGuns)			aiP->CURRENT_GUN = 0;		}	else {		// Switch to next gun for next fire.		if (++(aiP->CURRENT_GUN) >= botInfoP->nGuns)			aiP->CURRENT_GUN = 0;//.........这里部分代码省略.........

int CLightManager::Add (CSegFace* faceP, tRgbaColorf *colorP, fix xBrightness, short nSegment,							   short nSide, short nObject, short nTexture, CFixVector *vPos, ubyte bAmbient){	CDynLight*	pl;	short			h, i;	float			fBrightness = X2F (xBrightness);#if USE_OGL_LIGHTS	GLint			nMaxLights;#endif#if 0if (xBrightness > I2X (1))	xBrightness = I2X (1);#endifif (fBrightness <= 0)	return -1;#if DBGif ((nDbgSeg >= 0) && (nSegment == nDbgSeg))	nSegment = nSegment;if ((nDbgObj >= 0) && (nObject == nDbgObj))	nDbgObj = nDbgObj;if (colorP && ((colorP->red > 1) || (colorP->green > 1) || (colorP->blue > 1)))	colorP = colorP;#endifif (gameStates.render.nLightingMethod && (nSegment >= 0) && (nSide >= 0)) {#if 1	fBrightness /= Intensity (colorP->red, colorP->green, colorP->blue);#else	if (fBrightness < 1)		fBrightness = (float) sqrt (fBrightness);	else		fBrightness *= fBrightness;#endif	}if (colorP)	colorP->alpha = 1.0f;if (0 <= (h = Update (colorP, fBrightness, nSegment, nSide, nObject)))	return h;if (!colorP)	return -1;if ((colorP->red == 0.0f) && (colorP->green == 0.0f) && (colorP->blue == 0.0f)) {	if (gameStates.app.bD2XLevel && gameStates.render.bColored)		return -1;	colorP->red = colorP->green = colorP->blue = 1.0f;	}if (m_data.nLights [0] >= MAX_OGL_LIGHTS) {	gameStates.render.bHaveDynLights = 0;	return -1;	//too many lights	}i = m_data.nLights [0]; //LastEnabledDynLight () + 1;pl = m_data.lights + i;pl->info.faceP = faceP;pl->info.nSegment = nSegment;pl->info.nSide = nSide;pl->info.nObject = nObject;pl->info.nPlayer = -1;pl->info.bState = 1;pl->info.bSpot = 0;pl->info.fBoost = 0;pl->info.bPowerup = 0;pl->info.bAmbient = bAmbient;//0: static light//2: object/lightning//3: headlightif (nObject >= 0) {	CObject *objP = OBJECTS + nObject;	//HUDMessage (0, "Adding object light %d, type %d", m_data.nLights [0], objP->info.nType);	pl->info.nType = 2;	if (objP->info.nType == OBJ_POWERUP) {		int id = objP->info.nId;		if ((id == POW_EXTRA_LIFE) || (id == POW_ENERGY) || (id == POW_SHIELD_BOOST) ||			 (id == POW_HOARD_ORB) || (id == POW_MONSTERBALL) || (id == POW_INVUL))			pl->info.bPowerup = 1;		else			pl->info.bPowerup = 2;		}	pl->info.vPos = objP->info.position.vPos;	pl->info.fRad = 0; //X2F (OBJECTS [nObject].size) / 2;	if (fBrightness > 1) {		if ((objP->info.nType == OBJ_FIREBALL) || (objP->info.nType == OBJ_EXPLOSION)) {			pl->info.fBoost = 1;			pl->info.fRad = fBrightness;			}		else if ((objP->info.nType == OBJ_WEAPON) && (objP->info.nId == FLARE_ID)) {			pl->info.fBoost = 1;			pl->info.fRad = 2 * fBrightness;			}		}	m_data.owners [nObject] = m_data.nLights [0];	}else if (nSegment >= 0) {#if 0	CFixVector	vOffs;	CSide			*sideP = SEGMENTS [nSegment].m_sides + nSide;#endif	if (nSide < 0) {		pl->info.nType = 2;		pl->info.bVariable = 0;//.........这里部分代码省略.........