p_pspr.c

使用Doom引擎开发的著名游戏《毁灭巫师》的源代码。

	if(actor->z <= actor->floorz)
	{
		actor->z = actor->floorz+FRACUNIT;
	}
	actor->special2 = weaveZ+(weaveXY<<16);
}


//============================================================================
//
// A_MStaffTrack
//
//============================================================================

void A_MStaffTrack(mobj_t *actor)
{
	if ((actor->special1 == 0) && (P_Random()<50))
	{
		actor->special1 = (int)P_RoughMonsterSearch(actor, 10);
	}
	P_SeekerMissile(actor, ANGLE_1*2, ANGLE_1*10);
}


//============================================================================
//
// MStaffSpawn2 - for use by mage class boss
//
//============================================================================

void MStaffSpawn2(mobj_t *actor, angle_t angle)
{
	mobj_t *mo;

	mo = P_SpawnMissileAngle(actor, MT_MSTAFF_FX2, angle, 0);
	if (mo)
	{
		mo->target = actor;
		mo->special1 = (int)P_RoughMonsterSearch(mo, 10);
	}
}

//============================================================================
//
// A_MStaffAttack2 - for use by mage class boss
//
//============================================================================

void A_MStaffAttack2(mobj_t *actor)
{
	angle_t angle;
	angle = actor->angle;
	MStaffSpawn2(actor, angle);
	MStaffSpawn2(actor, angle-ANGLE_1*5);
	MStaffSpawn2(actor, angle+ANGLE_1*5);
	S_StartSound(actor, SFX_MAGE_STAFF_FIRE);
}

//============================================================================
//
// A_FPunchAttack
//
//============================================================================

void A_FPunchAttack(player_t *player, pspdef_t *psp)
{
	angle_t angle;
	int damage;
	int slope;
	mobj_t *pmo = player->mo;
	fixed_t power;
	int i;

	damage = 40+(P_Random()&15);
	power = 2*FRACUNIT;
	PuffType = MT_PUNCHPUFF;
	for(i = 0; i < 16; i++)
	{
		angle = pmo->angle+i*(ANG45/16);
		slope = P_AimLineAttack(pmo, angle, 2*MELEERANGE);
		if(linetarget)
		{
			player->mo->special1++;
			if(pmo->special1 == 3)
			{
				damage <<= 1;
				power = 6*FRACUNIT;
				PuffType = MT_HAMMERPUFF;
			}
			P_LineAttack(pmo, angle, 2*MELEERANGE, slope, damage);
			if (linetarget->flags&MF_COUNTKILL || linetarget->player)
			{
				P_ThrustMobj(linetarget, angle, power);
			}
			AdjustPlayerAngle(pmo);
			goto punchdone;
		}
		angle = pmo->angle-i*(ANG45/16);
		slope = P_AimLineAttack(pmo, angle, 2*MELEERANGE);
		if(linetarget)
		{
			pmo->special1++;
			if(pmo->special1 == 3)
			{
				damage <<= 1;
				power = 6*FRACUNIT;
				PuffType = MT_HAMMERPUFF;
			}
			P_LineAttack(pmo, angle, 2*MELEERANGE, slope, damage);
			if (linetarget->flags&MF_COUNTKILL || linetarget->player)
			{
				P_ThrustMobj(linetarget, angle, power);
			}
			AdjustPlayerAngle(pmo);
			goto punchdone;
		}
	}
	// didn't find any creatures, so try to strike any walls
	pmo->special1 = 0;

	angle = pmo->angle;
	slope = P_AimLineAttack(pmo, angle, MELEERANGE);
	P_LineAttack(pmo, angle, MELEERANGE, slope, damage);

punchdone:
	if(pmo->special1 == 3)
	{
		pmo->special1 = 0;
		P_SetPsprite(player, ps_weapon, S_PUNCHATK2_1);
		S_StartSound(pmo, SFX_FIGHTER_GRUNT);
	}
	return;		
}

//============================================================================
//
// A_FAxeAttack
//
//============================================================================

#define AXERANGE	2.25*MELEERANGE

void A_FAxeAttack(player_t *player, pspdef_t *psp)
{
	angle_t angle;
	mobj_t *pmo=player->mo;
	fixed_t power;
	int damage;
	int slope;
	int i;
	int useMana;

	damage = 40+(P_Random()&15)+(P_Random()&7);
	power = 0;
	if(player->mana[MANA_1] > 0)
	{
		damage <<= 1;
		power = 6*FRACUNIT;
		PuffType = MT_AXEPUFF_GLOW;
		useMana = 1;
	}
	else
	{
		PuffType = MT_AXEPUFF;
		useMana = 0;
	}
	for(i = 0; i < 16; i++)
	{
		angle = pmo->angle+i*(ANG45/16);
		slope = P_AimLineAttack(pmo, angle, AXERANGE);
		if(linetarget)
		{
			P_LineAttack(pmo, angle, AXERANGE, slope, damage);
			if (linetarget->flags&MF_COUNTKILL || linetarget->player)
			{
				P_ThrustMobj(linetarget, angle, power);
			}
			AdjustPlayerAngle(pmo);
			useMana++; 
			goto axedone;
		}
		angle = pmo->angle-i*(ANG45/16);
		slope = P_AimLineAttack(pmo, angle, AXERANGE);
		if(linetarget)
		{
			P_LineAttack(pmo, angle, AXERANGE, slope, damage);
			if (linetarget->flags&MF_COUNTKILL)
			{
				P_ThrustMobj(linetarget, angle, power);
			}
			AdjustPlayerAngle(pmo);
			useMana++; 
			goto axedone;
		}
	}
	// didn't find any creatures, so try to strike any walls
	pmo->special1 = 0;

	angle = pmo->angle;
	slope = P_AimLineAttack(pmo, angle, MELEERANGE);
	P_LineAttack(pmo, angle, MELEERANGE, slope, damage);

axedone:
	if(useMana == 2)
	{
		player->mana[MANA_1] -= 
			WeaponManaUse[player->class][player->readyweapon];
		if(player->mana[MANA_1] <= 0)
		{
			P_SetPsprite(player, ps_weapon, S_FAXEATK_5);
		}
	}
	return;		
}

//===========================================================================
//
// A_CMaceAttack
//
//===========================================================================

void A_CMaceAttack(player_t *player, pspdef_t *psp)
{
	angle_t angle;
	int damage;
	int slope;
	int i;

	damage = 25+(P_Random()&15);
	PuffType = MT_HAMMERPUFF;
	for(i = 0; i < 16; i++)
	{
		angle = player->mo->angle+i*(ANG45/16);
		slope = P_AimLineAttack(player->mo, angle, 2*MELEERANGE);
		if(linetarget)
		{
			P_LineAttack(player->mo, angle, 2*MELEERANGE, slope, 
				damage);
			AdjustPlayerAngle(player->mo);
//			player->mo->angle = R_PointToAngle2(player->mo->x,
//				player->mo->y, linetarget->x, linetarget->y);
			goto macedone;
		}
		angle = player->mo->angle-i*(ANG45/16);
		slope = P_AimLineAttack(player->mo, angle, 2*MELEERANGE);
		if(linetarget)
		{
			P_LineAttack(player->mo, angle, 2*MELEERANGE, slope, 
				damage);
			AdjustPlayerAngle(player->mo);
//			player->mo->angle = R_PointToAngle2(player->mo->x,
//				player->mo->y, linetarget->x, linetarget->y);
			goto macedone;
		}
	}
	// didn't find any creatures, so try to strike any walls
	player->mo->special1 = 0;

	angle = player->mo->angle;
	slope = P_AimLineAttack(player->mo, angle, MELEERANGE);
	P_LineAttack(player->mo, angle, MELEERANGE, slope, 
		damage);
macedone:
	return;		
}

//============================================================================
//
// A_CStaffCheck
//
//============================================================================

void A_CStaffCheck(player_t *player, pspdef_t *psp)
{
	mobj_t *pmo;
	int damage;
	int newLife;
	angle_t angle;
	int slope;
	int i;

	pmo = player->mo;
	damage = 20+(P_Random()&15);
	PuffType = MT_CSTAFFPUFF;
	for(i = 0; i < 3; i++)
	{
		angle = pmo->angle+i*(ANG45/16);
		slope = P_AimLineAttack(pmo, angle, 1.5*MELEERANGE);
		if(linetarget)
		{
			P_LineAttack(pmo, angle, 1.5*MELEERANGE, slope, damage);
			pmo->angle = R_PointToAngle2(pmo->x, pmo->y, 
				linetarget->x, linetarget->y);
			if((linetarget->player || linetarget->flags&MF_COUNTKILL)
				&& (!(linetarget->flags2&(MF2_DORMANT+MF2_INVULNERABLE))))
			{
				newLife = player->health+(damage>>3);
				newLife = newLife > 100 ? 100 : newLife;
				pmo->health = player->health = newLife;
				P_SetPsprite(player, ps_weapon, S_CSTAFFATK2_1);
			}
			player->mana[MANA_1] -= 
				WeaponManaUse[player->class][player->readyweapon];
			break;
		}
		angle = pmo->angle-i*(ANG45/16);
		slope = P_AimLineAttack(player->mo, angle, 1.5*MELEERANGE);
		if(linetarget)
		{
			P_LineAttack(pmo, angle, 1.5*MELEERANGE, slope, damage);
			pmo->angle = R_PointToAngle2(pmo->x, pmo->y, 
				linetarget->x, linetarget->y);
			if(linetarget->player || linetarget->flags&MF_COUNTKILL)
			{
				newLife = player->health+(damage>>4);
				newLife = newLife > 100 ? 100 : newLife;
				pmo->health = player->health = newLife;
				P_SetPsprite(player, ps_weapon, S_CSTAFFATK2_1);
			}
			player->mana[MANA_1] -= 
				WeaponManaUse[player->class][player->readyweapon];
			break;
		}
	}
}

//============================================================================
//
// A_CStaffAttack
//
//============================================================================

void A_CStaffAttack(player_t *player, pspdef_t *psp)
{
	mobj_t *mo;
	mobj_t *pmo;

	player->mana[MANA_1] -=	WeaponManaUse[player->class][player->readyweapon];
	pmo = player->mo;
	mo = P_SPMAngle(pmo, MT_CSTAFF_MISSILE, pmo->angle-(ANG45/15));
	if(mo)
	{
		mo->special2 = 32;
	}
	mo = P_SPMAngle(pmo, MT_CSTAFF_MISSILE, pmo->angle+(ANG45/15));
	if(mo)
	{
		mo->special2 = 0;
	}
	S_StartSound(player->mo, SFX_CLERIC_CSTAFF_FIRE);
}

//============================================================================
//
// A_CStaffMissileSlither
//
//============================================================================

void A_CStaffMissileSlither(mobj_t *actor)
{
	fixed_t newX, newY;
	int weaveXY;
	int angle;

	weaveXY = actor->special2;
	angle = (actor->angle+ANG90)>>ANGLETOFINESHIFT;
	newX = actor->x-FixedMul(finecosine[angle], 
		FloatBobOffsets[weaveXY]);
	newY = actor->y-FixedMul(finesine[angle],
		FloatBobOffsets[weaveXY]);
	weaveXY = (weaveXY+3)&63;
	newX += FixedMul(finecosine[angle], 
		FloatBobOffsets[weaveXY]);
	newY += FixedMul(finesine[angle], 
		FloatBobOffsets[weaveXY]);
	P_TryMove(actor, newX, newY);
	actor->special2 = weaveXY;	
}

//============================================================================
//
// A_CStaffInitBlink
//
//============================================================================

void A_CStaffInitBlink(player_t *player, pspdef_t *psp)
{
	player->mo->special1 = (P_Random()>>1)+20;
}

//============================================================================
//
// A_CStaffCheckBlink
//
//============================================================================

void A_CStaffCheckBlink(player_t *player, pspdef_t *psp)
{
	if(!--player->mo->special1)
	{
		P_SetPsprite(player, ps_weapon, S_CSTAFFBLINK1);
		player->mo->special1 = (P_Random()+50)>>2;
	}
}

//============================================================================
//
// A_CFlameAttack
//
//============================================================================

#define FLAMESPEED	(0.45*FRACUNIT)
#define CFLAMERANGE	(12*64*FRACUNIT)

void A_CFlameAttack(player_t *player, pspdef_t *psp)
{
	mobj_t *mo;

	mo = P_SpawnPlayerMissile(player->mo, MT_CFLAME_MISSILE);
	if(mo)
	{
		mo->thinker.function = P_BlasterMobjThinker;
		mo->special1 = 2;
	}

	player->mana[MANA_2] -= WeaponManaUse[player->class][player->readyweapon];
	S_StartSound(player->mo, SFX_CLERIC_FLAME_FIRE);
}

//============================================================================
//
// A_CFlamePuff
//
//============================================================================

void A_CFlamePuff(mobj_t *actor)
{
	A_UnHideThing(actor);
	actor->momx = 0;
	actor->momy = 0;
	actor->momz = 0;
	S_StartSound(actor, SFX_CLERIC_FLAME_EXPLODE);
}

//============================================================================
//
// A_CFlameMissile
//
//============================================================================

void A_CFlameMissile(mobj_t *actor)
{
	int i;
	int an, an90;
	fixed_t dist;
	mobj_t *mo;
	
	A_UnHideThing(actor);
	S_StartSound(actor, SFX_CLERIC_FLAME_EXPLODE);
	if(BlockingMobj && BlockingMobj->flags&MF_SHOOTABLE)
	{ // Hit something, so spawn the flame circle around the thing
		dist = BlockingMobj->radius+18*FRACUNIT;
		for(i = 0; i < 4; i++)
		{
			an = (i*ANG45)>>ANGLETOFINESHIFT;
			an90 = (i*ANG45+ANG90)>>ANGLETOFINESHIFT;
			mo = P_SpawnMobj(BlockingMobj->x+FixedMul(dist, finecosine[an]),
				BlockingMobj->y+FixedMul(dist, finesine[an]), 
				BlockingMobj->z+5*FRACUNIT, MT_CIRCLEFLAME);
			if(mo)
			{
				mo->angle = an<<ANGLETOFINESHIFT;
				mo->target = actor->target;
				mo->momx = mo->special1 = FixedMul(FLAMESPEED, finecosine[an]);
				mo->momy = mo->special2 = FixedMul(FLAMESPEED, finesine[an]);
				mo->tics -= P_Random()&3;
			}
			mo = P_SpawnMobj(BlockingMobj->x-FixedMul(dist, finecosine[an]),
				BlockingMobj->y-FixedMul(dist, finesine[an]), 
				BlockingMobj->z+5*FRACUNIT, MT_CIRCLEFLAME);
			if(mo)
			{
				mo->angle = ANG180+(an<<ANGLETOFINESHIFT);
				mo->target = actor->target;
				mo->momx = mo->special1 = FixedMul(-FLAMESPEED, 
					finecosine[an]);
				mo->momy = mo->special2 = FixedMul(-FLAMESPEED, finesine[an]);
				mo->tics -= P_Random()&3;
			}
		}
		P_SetMobjState(actor, S_FLAMEPUFF2_1);
	}
}

/*
void A_CFlameAttack(player_t *player, pspdef_t *psp)
{
	mobj_t *pmo;
	angle_t angle;
	int damage;
	int i;
	int an, an90;
	fixed_t dist;
	mobj_t *mo;

	pmo = player->mo;
	P_BulletSlope(pmo);
	damage = 25+HITDICE(3);
	angle = pmo->angle;
	if(player->refire)
	{
		angle += (P_Random()-P_Random())<<17;
	}
	P_AimLineAttack(pmo, angle, CFLAMERANGE); // Correctly set linetarget
	if(!linetarget)
	{
		angle += ANGLE_1*2;
		P_AimLineAttack(pmo, angle, CFLAMERANGE);
		if(!linetarget)
		{
			angle -= ANGLE_1*4;
			P_AimLineAttack(pmo, angle, CFLAMERANGE);
			if(!linetarget)
			{
				angle += ANGLE_1*2;
			}
		}		
	}
	if(linetarget)
	{
		PuffType = MT_FLAMEPUFF2;
	}
	else
	{
		PuffType = MT_FLAMEPUFF;
	}
	P_LineAttack(pmo, angle, CFLAMERANGE, bulletslope, damage);
	if(linetarget)
	{ // Hit something, so spawn the flame circle around the thing
		dist = linetarget->radius+18*FRACUNIT;
		for(i = 0; i < 4; i++)
		{
			an = (i*ANG45)>>ANGLETOFINESHIFT;
			an90 = (i*ANG45+ANG90)>>ANGLETOFINESHIFT;
			mo = P_SpawnMobj(linetarget->x+FixedMul(dist, finecosine[an]),
				linetarget->y+FixedMul(dist, finesine[an]), 
				linetarget->z+5*FRACUNIT, MT_CIRCLEFLAME);
			if(mo)
			{
				mo->angle = an<<ANGLETOFINESHIFT;
				mo->target = pmo;
				mo->momx = mo->special1 = FixedMul(FLAMESPEED, finecosine[an]);
				mo->momy = mo->special2 = FixedMul(FLAMESPEED, finesine[an]);
				mo->tics -= P_Random()&3;
			}
			mo = P_SpawnMobj(linetarget->x-FixedMul(dist, finecosine[an]),
				linetarget->y-FixedMul(dist, finesine[an]), 
				linetarget->z+5*FRACUNIT, MT_CIRCLEFLAME);
			if(mo)
			{
				mo->angle = ANG180+(an<<ANGLETOFINESHIFT);
				mo->target = pmo;
				mo->momx = mo->special1 = FixedMul(-FLAMESPEED, 
					finecosine[an]);
				mo->momy = mo->special2 = FixedMul(-FLAMESPEED, finesine[an]);
				mo->tics -= P_Random()&3;
			}
		}
	}
// Create a line of flames from the player to the flame puff
	CFlameCreateFlames(player->mo);

	player->mana[MANA_2] -= WeaponManaUse[player->class][player->readyweapon];
	S_StartSound(player->mo, SFX_CLERIC_FLAME_FIRE);
}
*/

//============================================================================
//
// A_CFlameRotate
//
//============================================================================

#define FLAMEROTSPEED	2*FRACUNIT

void A_CFlameRotate(mobj_t *actor)
{
	int an;

	an = (actor->angle+ANG90)>>ANGLETOFINESHIFT;
	actor->momx = actor->special1+FixedMul(FLAMEROTSPEED, finecosine[an]);
	actor->momy = actor->special2+FixedMul(FLAMEROTSPEED, finesine[an]);
	actor->angle += ANG90/15;
}


//============================================================================
//
// A_CHolyAttack3
//
// 	Spawns the spirits
//============================================================================

void A_CHolyAttack3(mobj_t *actor)
{
	P_SpawnMissile(actor, actor->target, MT_HOLY_MISSILE);
	S_StartSound(actor, SFX_CHOLY_FIRE);
}


//============================================================================
//
// A_CHolyAttack2 
//
// 	Spawns the spirits