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qzdoom/src/p_effect.cpp
Randy Heit 6cd1e2ce6a - Fixed: CopyPlayer() in p_saveg.cpp should use normal assignment, not 
memcpy to copy the player structures.
- Fixed compilation with MinGW again and removed most of the new warnings.

And following is the log that I forgot to paste in for the previous commit:

- Changed the memory management for FString. Instead of using a garbage
  collected heap, it now uses normal heap calls and reference counting to
  implement lazy copying. You may now use bitwise operators to move
  (but not copy!) FStrings around in memory. This means that the
  CopyForTArray template function is gone, since TArrays can now freely
  move their contents around without bothering with their specifics.
  
  There is one important caveat, however. It is not acceptable to blindly 0
  an FString's contents. This necessitated the creation of a proper
  constructor for player_s so that it can be reset without using memset. I
  did a quick scan of all memsets in the source and didn't see anything else
  with a similar problem, but it's possible I missed something.
- Fixed: Build tiles were never deallocated.
- Fixed: Using Build's palette.dat only got half the palette right.


SVN r117 (trunk)
2006-05-16 04:19:20 +00:00

618 lines
16 KiB
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/*
** p_effect.cpp
** Particle effects
**
**---------------------------------------------------------------------------
** Copyright 1998-2005 Randy Heit
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions
** are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** 2. Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** 3. The name of the author may not be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**---------------------------------------------------------------------------
**
** If particles used real sprites instead of blocks, they could be much
** more useful.
*/
#include "doomtype.h"
#include "doomstat.h"
#include "c_cvars.h"
#include "actor.h"
#include "p_effect.h"
#include "p_local.h"
#include "g_level.h"
#include "v_video.h"
#include "m_random.h"
#include "r_defs.h"
#include "r_things.h"
#include "s_sound.h"
#include "templates.h"
CVAR (Int, cl_rockettrails, 1, CVAR_ARCHIVE);
#define FADEFROMTTL(a) (255/(a))
static int grey1, grey2, grey3, grey4, red, green, blue, yellow, black,
red1, green1, blue1, yellow1, purple, purple1, white,
rblue1, rblue2, rblue3, rblue4, orange, yorange, dred, grey5,
maroon1, maroon2;
static const struct ColorList {
int *color;
byte r, g, b;
} Colors[] = {
{&grey1, 85, 85, 85 },
{&grey2, 171, 171, 171},
{&grey3, 50, 50, 50 },
{&grey4, 210, 210, 210},
{&grey5, 128, 128, 128},
{&red, 255, 0, 0 },
{&green, 0, 200, 0 },
{&blue, 0, 0, 255},
{&yellow, 255, 255, 0 },
{&black, 0, 0, 0 },
{&red1, 255, 127, 127},
{&green1, 127, 255, 127},
{&blue1, 127, 127, 255},
{&yellow1, 255, 255, 180},
{&purple, 120, 0, 160},
{&purple1, 200, 30, 255},
{&white, 255, 255, 255},
{&rblue1, 81, 81, 255},
{&rblue2, 0, 0, 227},
{&rblue3, 0, 0, 130},
{&rblue4, 0, 0, 80 },
{&orange, 255, 120, 0 },
{&yorange, 255, 170, 0 },
{&dred, 80, 0, 0 },
{&maroon1, 154, 49, 49 },
{&maroon2, 125, 24, 24 },
{NULL}
};
void P_InitEffects ()
{
const struct ColorList *color = Colors;
while (color->color)
{
*(color->color) = ColorMatcher.Pick (color->r, color->g, color->b);
color++;
}
}
void P_ThinkParticles ()
{
int i;
particle_t *particle, *prev;
i = ActiveParticles;
prev = NULL;
while (i != NO_PARTICLE)
{
byte oldtrans;
particle = Particles + i;
i = particle->tnext;
oldtrans = particle->trans;
particle->trans -= particle->fade;
if (oldtrans < particle->trans || --particle->ttl == 0)
{ // The particle has expired, so free it
memset (particle, 0, sizeof(particle_t));
if (prev)
prev->tnext = i;
else
ActiveParticles = i;
particle->tnext = InactiveParticles;
InactiveParticles = (int)(particle - Particles);
continue;
}
particle->x += particle->velx;
particle->y += particle->vely;
particle->z += particle->velz;
particle->velx += particle->accx;
particle->vely += particle->accy;
particle->velz += particle->accz;
prev = particle;
}
}
//
// P_RunEffects
//
// Run effects on all actors in the world
//
void P_RunEffects ()
{
int pnum = int(players[consoleplayer].camera->Sector - sectors) * numsectors;
AActor *actor;
TThinkerIterator<AActor> iterator;
while ( (actor = iterator.Next ()) )
{
if (actor->effects)
{
// Only run the effect if the actor is potentially visible
int rnum = pnum + int(actor->Sector - sectors);
if (rejectmatrix == NULL || !(rejectmatrix[rnum>>3] & (1 << (rnum & 7))))
P_RunEffect (actor, actor->effects);
}
}
}
//
// AddParticle
//
// Creates a particle with "jitter"
//
particle_t *JitterParticle (int ttl)
{
particle_t *particle = NewParticle ();
if (particle) {
fixed_t *val = &particle->velx;
int i;
// Set initial velocities
for (i = 3; i; i--, val++)
*val = (FRACUNIT/4096) * (M_Random () - 128);
// Set initial accelerations
for (i = 3; i; i--, val++)
*val = (FRACUNIT/16384) * (M_Random () - 128);
particle->trans = 255; // fully opaque
particle->ttl = ttl;
particle->fade = FADEFROMTTL(ttl);
}
return particle;
}
static void MakeFountain (AActor *actor, int color1, int color2)
{
particle_t *particle;
if (!(level.time & 1))
return;
particle = JitterParticle (51);
if (particle)
{
angle_t an = M_Random()<<(24-ANGLETOFINESHIFT);
fixed_t out = FixedMul (actor->radius, M_Random()<<8);
particle->x = actor->x + FixedMul (out, finecosine[an]);
particle->y = actor->y + FixedMul (out, finesine[an]);
particle->z = actor->z + actor->height + FRACUNIT;
if (out < actor->radius/8)
particle->velz += FRACUNIT*10/3;
else
particle->velz += FRACUNIT*3;
particle->accz -= FRACUNIT/11;
if (M_Random() < 30) {
particle->size = 4;
particle->color = color2;
} else {
particle->size = 6;
particle->color = color1;
}
}
}
void P_RunEffect (AActor *actor, int effects)
{
angle_t moveangle = R_PointToAngle2(0,0,actor->momx,actor->momy);
particle_t *particle;
int i;
if ((effects & FX_ROCKET) && cl_rockettrails)
{
// Rocket trail
fixed_t backx = actor->x - FixedMul (finecosine[(moveangle)>>ANGLETOFINESHIFT], actor->radius*2);
fixed_t backy = actor->y - FixedMul (finesine[(moveangle)>>ANGLETOFINESHIFT], actor->radius*2);
fixed_t backz = actor->z - (actor->height>>3) * (actor->momz>>16) + (2*actor->height)/3;
angle_t an = (moveangle + ANG90) >> ANGLETOFINESHIFT;
int speed;
particle = JitterParticle (3 + (M_Random() & 31));
if (particle) {
fixed_t pathdist = M_Random()<<8;
particle->x = backx - FixedMul(actor->momx, pathdist);
particle->y = backy - FixedMul(actor->momy, pathdist);
particle->z = backz - FixedMul(actor->momz, pathdist);
speed = (M_Random () - 128) * (FRACUNIT/200);
particle->velx += FixedMul (speed, finecosine[an]);
particle->vely += FixedMul (speed, finesine[an]);
particle->velz -= FRACUNIT/36;
particle->accz -= FRACUNIT/20;
particle->color = yellow;
particle->size = 2;
}
for (i = 6; i; i--) {
particle_t *particle = JitterParticle (3 + (M_Random() & 31));
if (particle) {
fixed_t pathdist = M_Random()<<8;
particle->x = backx - FixedMul(actor->momx, pathdist);
particle->y = backy - FixedMul(actor->momy, pathdist);
particle->z = backz - FixedMul(actor->momz, pathdist) + (M_Random() << 10);
speed = (M_Random () - 128) * (FRACUNIT/200);
particle->velx += FixedMul (speed, finecosine[an]);
particle->vely += FixedMul (speed, finesine[an]);
particle->velz += FRACUNIT/80;
particle->accz += FRACUNIT/40;
if (M_Random () & 7)
particle->color = grey2;
else
particle->color = grey1;
particle->size = 3;
} else
break;
}
}
if ((effects & FX_GRENADE) && (cl_rockettrails))
{
// Grenade trail
P_DrawSplash2 (6,
actor->x - FixedMul (finecosine[(moveangle)>>ANGLETOFINESHIFT], actor->radius*2),
actor->y - FixedMul (finesine[(moveangle)>>ANGLETOFINESHIFT], actor->radius*2),
actor->z - (actor->height>>3) * (actor->momz>>16) + (2*actor->height)/3,
moveangle + ANG180, 2, 2);
}
if (effects & FX_FOUNTAINMASK)
{
// Particle fountain
static const int *fountainColors[16] =
{ &black, &black,
&red, &red1,
&green, &green1,
&blue, &blue1,
&yellow, &yellow1,
&purple, &purple1,
&black, &grey3,
&grey4, &white
};
int color = (effects & FX_FOUNTAINMASK) >> 15;
MakeFountain (actor, *fountainColors[color], *fountainColors[color+1]);
}
if (effects & FX_RESPAWNINVUL)
{
// Respawn protection
static const int *protectColors[2] = { &yellow1, &white };
for (i = 3; i > 0; i--)
{
particle = JitterParticle (16);
if (particle != NULL)
{
angle_t ang = M_Random () << (32-ANGLETOFINESHIFT-8);
particle->x = actor->x + FixedMul (actor->radius, finecosine[ang]);
particle->y = actor->y + FixedMul (actor->radius, finesine[ang]);
particle->color = *protectColors[M_Random() & 1];
particle->z = actor->z;
particle->velz = FRACUNIT;
particle->accz = M_Random () << 7;
particle->size = 1;
if (M_Random () < 128)
{ // make particle fall from top of actor
particle->z += actor->height;
particle->velz = -particle->velz;
particle->accz = -particle->accz;
}
}
}
}
}
void P_DrawSplash (int count, fixed_t x, fixed_t y, fixed_t z, angle_t angle, int kind)
{
int color1, color2;
switch (kind)
{
case 1: // Spark
color1 = orange;
color2 = yorange;
break;
default:
return;
}
for (; count; count--)
{
particle_t *p = JitterParticle (10);
angle_t an;
if (!p)
break;
p->size = 2;
p->color = M_Random() & 0x80 ? color1 : color2;
p->velz -= M_Random () * 512;
p->accz -= FRACUNIT/8;
p->accx += (M_Random () - 128) * 8;
p->accy += (M_Random () - 128) * 8;
p->z = z - M_Random () * 1024;
an = (angle + (M_Random() << 21)) >> ANGLETOFINESHIFT;
p->x = x + (M_Random () & 15)*finecosine[an];
p->y = y + (M_Random () & 15)*finesine[an];
}
}
void P_DrawSplash2 (int count, fixed_t x, fixed_t y, fixed_t z, angle_t angle, int updown, int kind)
{
int color1, color2, zvel, zspread, zadd;
switch (kind)
{
case 0: // Blood
color1 = red;
color2 = dred;
break;
case 1: // Gunshot
color1 = grey3;
color2 = grey5;
break;
case 2: // Smoke
color1 = grey3;
color2 = grey1;
break;
default: // colorized blood
color1 = ColorMatcher.Pick(RPART(kind), GPART(kind), BPART(kind));
color2 = ColorMatcher.Pick(RPART(kind)>>1, GPART(kind)>>1, BPART(kind)>>1);
break;
}
zvel = -128;
zspread = updown ? -6000 : 6000;
zadd = (updown == 2) ? -128 : 0;
for (; count; count--)
{
particle_t *p = NewParticle ();
angle_t an;
if (!p)
break;
p->ttl = 12;
p->fade = FADEFROMTTL(12);
p->trans = 255;
p->size = 4;
p->color = M_Random() & 0x80 ? color1 : color2;
p->velz = M_Random () * zvel;
p->accz = -FRACUNIT/22;
if (kind) {
an = (angle + ((M_Random() - 128) << 23)) >> ANGLETOFINESHIFT;
p->velx = (M_Random () * finecosine[an]) >> 11;
p->vely = (M_Random () * finesine[an]) >> 11;
p->accx = p->velx >> 4;
p->accy = p->vely >> 4;
}
p->z = z + (M_Random () + zadd - 128) * zspread;
an = (angle + ((M_Random() - 128) << 22)) >> ANGLETOFINESHIFT;
p->x = x + ((M_Random () & 31)-15)*finecosine[an];
p->y = y + ((M_Random () & 31)-15)*finesine[an];
}
}
void P_DrawRailTrail (AActor * source, vec3_t start, vec3_t end, int color1, int color2, float maxdiff, bool silent)
{
float length;
int steps, i;
float deg;
vec3_t step, dir, pos, extend;
VectorSubtract (end, start, dir);
length = VectorLength (dir);
steps = (int)(length*0.3333f);
if (length)
{
length = 1 / length;
if (!silent)
{
int sound;
// Allow other sounds than 'weapons/railgf'!
if (!source->player) sound = source->AttackSound;
else if (source->player->ReadyWeapon) sound = source->player->ReadyWeapon->AttackSound;
else sound = 0;
if (!sound) sound=S_FindSound("weapons/railgf");
// The railgun's sound is special. It gets played from the
// point on the slug's trail that is closest to the hearing player.
AActor *mo = players[consoleplayer].camera;
vec3_t point;
float r;
float dirz;
if (abs(mo->x - FLOAT2FIXED(start[0])) < 20 * FRACUNIT
&& (mo->y - FLOAT2FIXED(start[1])) < 20 * FRACUNIT)
{ // This player (probably) fired the railgun
S_SoundID (mo, CHAN_WEAPON, sound, 1, ATTN_NORM);
}
else
{
// Only consider sound in 2D (for now, anyway)
r = ((start[1] - FIXED2FLOAT(mo->y)) * (-dir[1]) -
(start[0] - FIXED2FLOAT(mo->x)) * (dir[0])) * length * length;
dirz = dir[2];
dir[2] = 0;
VectorMA (start, r, dir, point);
dir[2] = dirz;
S_SoundID (FLOAT2FIXED(point[0]), FLOAT2FIXED(point[1]), mo->z,
CHAN_WEAPON, sound, 1, ATTN_NORM);
}
}
}
else
{
// line is 0 length, so nothing to do
return;
}
VectorScale2 (dir, length);
PerpendicularVector (extend, dir);
VectorScale2 (extend, 3);
VectorScale (dir, 3, step);
if (color1 != -1)
{
color1 = color1==0? -1: ColorMatcher.Pick(RPART(color1), GPART(color1), BPART(color1));
VectorCopy (start, pos);
deg = 270;
for (i = steps; i; i--)
{
particle_t *p = NewParticle ();
vec3_t tempvec;
if (!p)
return;
p->trans = 255;
p->ttl = 35;
p->fade = FADEFROMTTL(35);
p->size = 3;
RotatePointAroundVector (tempvec, dir, extend, deg);
p->velx = FLOAT2FIXED(tempvec[0])>>4;
p->vely = FLOAT2FIXED(tempvec[1])>>4;
p->velz = FLOAT2FIXED(tempvec[2])>>4;
VectorAdd (tempvec, pos, tempvec);
deg += 14;
if (deg >= 360)
deg -= 360;
p->x = FLOAT2FIXED(tempvec[0]);
p->y = FLOAT2FIXED(tempvec[1]);
p->z = FLOAT2FIXED(tempvec[2]);
VectorAdd (pos, step, pos);
if (color1==-1)
{
int rand = M_Random();
if (rand < 155)
p->color = rblue2;
else if (rand < 188)
p->color = rblue1;
else if (rand < 222)
p->color = rblue3;
else
p->color = rblue4;
}
else
{
p->color = color1;
}
}
}
if (color2 != -1)
{
color2 = color2==0? -1: ColorMatcher.Pick(RPART(color2), GPART(color2), BPART(color2));
vec3_t diff;
VectorSet (diff, 0, 0, 0);
VectorCopy (start, pos);
for (i = steps; i; i--)
{
particle_t *p = JitterParticle (33);
if (!p)
return;
if (maxdiff > 0)
{
int rnd = M_Random ();
if (rnd & 1)
diff[0] = clamp<float> (diff[0] + ((rnd & 8) ? 1 : -1), -maxdiff, maxdiff);
if (rnd & 2)
diff[1] = clamp<float> (diff[1] + ((rnd & 16) ? 1 : -1), -maxdiff, maxdiff);
if (rnd & 4)
diff[2] = clamp<float> (diff[2] + ((rnd & 32) ? 1 : -1), -maxdiff, maxdiff);
}
vec3_t postmp;
VectorCopy (pos, postmp);
VectorAdd (postmp, diff, postmp);
p->size = 2;
p->x = FLOAT2FIXED(postmp[0]);
p->y = FLOAT2FIXED(postmp[1]);
p->z = FLOAT2FIXED(postmp[2]);
if (color1 != -1)
p->accz -= FRACUNIT/4096;
VectorAdd (pos, step, pos);
if (color2==-1)
{
{
int rand = M_Random();
if (rand < 85)
p->color = grey4;
else if (rand < 170)
p->color = grey2;
else
p->color = grey1;
}
p->color = white;
}
else
{
p->color = color2;
}
}
}
}
void P_DisconnectEffect (AActor *actor)
{
int i;
if (actor == NULL)
return;
for (i = 64; i; i--)
{
particle_t *p = JitterParticle (TICRATE*2);
if (!p)
break;
p->x = actor->x + ((M_Random()-128)<<9) * (actor->radius>>FRACBITS);
p->y = actor->y + ((M_Random()-128)<<9) * (actor->radius>>FRACBITS);
p->z = actor->z + (M_Random()<<8) * (actor->height>>FRACBITS);
p->accz -= FRACUNIT/4096;
p->color = M_Random() < 128 ? maroon1 : maroon2;
p->size = 4;
}
}
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