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142 lines
3.2 KiB
C++
142 lines
3.2 KiB
C++
#include "actor.h"
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#include "m_random.h"
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#include "a_action.h"
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#include "p_local.h"
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#include "p_enemy.h"
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#include "s_sound.h"
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#include "m_random.h"
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#include "a_strifeglobal.h"
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AActor *P_SpawnSubMissile (AActor *source, const PClass *type, AActor *target);
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class ASpectralMonster : public AActor
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{
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DECLARE_CLASS (ASpectralMonster, AActor)
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public:
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void Touch (AActor *toucher);
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};
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IMPLEMENT_CLASS (ASpectralMonster)
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void ASpectralMonster::Touch (AActor *toucher)
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{
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P_DamageMobj (toucher, this, this, 5, NAME_Melee);
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}
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void A_SpectralLightningTail (AActor *self)
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{
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AActor *foo = Spawn("SpectralLightningHTail", self->x - self->momx, self->y - self->momy, self->z, ALLOW_REPLACE);
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foo->angle = self->angle;
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foo->health = self->health;
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}
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void A_SpectralBigBallLightning (AActor *self)
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{
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const PClass *cls = PClass::FindClass("SpectralLightningH3");
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if (cls)
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{
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self->angle += ANGLE_90;
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P_SpawnSubMissile (self, cls, self->target);
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self->angle += ANGLE_180;
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P_SpawnSubMissile (self, cls, self->target);
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self->angle += ANGLE_90;
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P_SpawnSubMissile (self, cls, self->target);
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}
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}
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static FRandom pr_zap5 ("Zap5");
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void A_SpectralLightning (AActor *self)
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{
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AActor *flash;
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fixed_t x, y;
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if (self->threshold != 0)
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--self->threshold;
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self->momx += pr_zap5.Random2(3) << FRACBITS;
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self->momy += pr_zap5.Random2(3) << FRACBITS;
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x = self->x + pr_zap5.Random2(3) * FRACUNIT * 50;
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y = self->y + pr_zap5.Random2(3) * FRACUNIT * 50;
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flash = Spawn (self->threshold > 25 ? PClass::FindClass("SpectralLightningV2") :
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PClass::FindClass("SpectralLightningV1"), x, y, ONCEILINGZ, ALLOW_REPLACE);
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flash->target = self->target;
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flash->momz = -18*FRACUNIT;
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flash->health = self->health;
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flash = Spawn("SpectralLightningV2", self->x, self->y, ONCEILINGZ, ALLOW_REPLACE);
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flash->target = self->target;
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flash->momz = -18*FRACUNIT;
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flash->health = self->health;
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}
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// In Strife, this number is stored in the data segment, but it doesn't seem to be
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// altered anywhere.
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#define TRACEANGLE (0xe000000)
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void A_Tracer2 (AActor *self)
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{
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AActor *dest;
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angle_t exact;
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fixed_t dist;
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fixed_t slope;
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dest = self->tracer;
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if (dest == NULL || dest->health <= 0 || self->Speed == 0)
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return;
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// change angle
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exact = R_PointToAngle2 (self->x, self->y, dest->x, dest->y);
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if (exact != self->angle)
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{
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if (exact - self->angle > 0x80000000)
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{
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self->angle -= TRACEANGLE;
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if (exact - self->angle < 0x80000000)
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self->angle = exact;
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}
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else
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{
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self->angle += TRACEANGLE;
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if (exact - self->angle > 0x80000000)
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self->angle = exact;
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}
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}
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exact = self->angle >> ANGLETOFINESHIFT;
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self->momx = FixedMul (self->Speed, finecosine[exact]);
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self->momy = FixedMul (self->Speed, finesine[exact]);
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// change slope
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dist = P_AproxDistance (dest->x - self->x, dest->y - self->y);
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dist /= self->Speed;
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if (dist < 1)
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{
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dist = 1;
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}
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if (dest->height >= 56*FRACUNIT)
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{
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slope = (dest->z+40*FRACUNIT - self->z) / dist;
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}
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else
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{
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slope = (dest->z + self->height*2/3 - self->z) / dist;
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}
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if (slope < self->momz)
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{
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self->momz -= FRACUNIT/8;
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}
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else
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{
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self->momz += FRACUNIT/8;
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}
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}
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