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particle emitter stuff

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git-svn-id: svn://svn.code.sf.net/p/actiongame/code/trunk/ac@1735 e016b1c5-ed68-44aa-a2f7-31cac88cffde
This commit is contained in:
Lee Salzman
2008-04-06 14:54:14 +00:00
parent 4f5d3906ee
commit 25ebf59714
14 changed files with 222 additions and 57 deletions
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source/src/renderparticles.cpp
+54 -3
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@@ -185,12 +185,12 @@ void cleanupexplosion()
}
}
#define MAXPARTYPES 10
#define MAXPARTYPES 11
struct particle { vec o, d; int fade, type; int millis; particle *next; };
particle *parlist[MAXPARTYPES], *parempty = NULL;
static Texture *parttex[6];
static Texture *parttex[7];
void particleinit()
{
@@ -202,6 +202,7 @@ void particleinit()
parttex[3] = textureload("<decal>packages/misc/bullethole.png");
parttex[4] = textureload("packages/misc/blood.png");
parttex[5] = textureload("packages/misc/scorch.png");
parttex[6] = textureload("packages/misc/muzzleflash.jpg");
}
void cleanupparticles()
@@ -256,7 +257,8 @@ enum
PT_DECAL,
PT_BULLETHOLE,
PT_BLOOD,
PT_STAIN
PT_STAIN,
PT_FLASH
};
static struct parttype { int type; float r, g, b; int gr, tex; float sz; } parttypes[] =
@@ -271,6 +273,7 @@ static struct parttype { int type; float r, g, b; int gr, tex; float sz; } partt
{ PT_BULLETHOLE, 1.0f, 1.0f, 1.0f, 0, 3, 0.3f }, // hole decal
{ PT_STAIN, 0.5f, 0.0f, 0.0f, 0, 4, 0.6f }, // red: blood stain
{ PT_DECAL, 1.0f, 1.0f, 1.0f, 0, 5, 1.5f }, // scorch decal
{ PT_FLASH, 1.0f, 1.0f, 1.0f, 0, 6, 0.7f }, // muzzle flash
};
VAR(particlesize, 20, 100, 500);
@@ -280,6 +283,8 @@ VARP(bloodttl, 0, 10000, 30000);
void render_particles(int time)
{
extern float aspect;
extern int farplane, fov;
bool rendered = false;
for(int i = MAXPARTYPES-1; i>=0; i--) if(parlist[i])
{
@@ -298,6 +303,13 @@ void render_particles(int time)
else glDisable(GL_TEXTURE_2D);
switch(pt.type)
{
case PT_FLASH:
sethudgunperspective(true);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_COLOR);
glColor3f(pt.r, pt.g, pt.b);
glBegin(GL_QUADS);
break;
case PT_PART:
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glColor3f(pt.r, pt.g, pt.b);
@@ -341,6 +353,26 @@ void render_particles(int time)
{
switch(pt.type)
{
case PT_FLASH:
{
vec corners[4] =
{
vec(-camright.x+camup.x, -camright.y+camup.y, -camright.z+camup.z),
vec( camright.x+camup.x, camright.y+camup.y, camright.z+camup.z),
vec( camright.x-camup.x, camright.y-camup.y, camright.z-camup.z),
vec(-camright.x-camup.x, -camright.y-camup.y, -camright.z-camup.z)
};
loopk(4) corners[k].rotate(p->d.x, p->d.y, camdir).mul(sz).add(p->o);
glTexCoord2i(0, 1); glVertex3fv(corners[0].v);
glTexCoord2i(1, 1); glVertex3fv(corners[1].v);
glTexCoord2i(1, 0); glVertex3fv(corners[2].v);
glTexCoord2i(0, 0); glVertex3fv(corners[3].v);
xtraverts += 4;
break;
}
case PT_PART:
glTexCoord2i(0, 1); glVertex3f(p->o.x+(-camright.x+camup.x)*sz, p->o.y+(-camright.y+camup.y)*sz, p->o.z+(-camright.z+camup.z)*sz);
glTexCoord2i(1, 1); glVertex3f(p->o.x+( camright.x+camup.x)*sz, p->o.y+( camright.y+camup.y)*sz, p->o.z+( camright.z+camup.z)*sz);
@@ -481,6 +513,11 @@ void render_particles(int time)
switch(pt.type)
{
case PT_FLASH:
glEnd();
sethudgunperspective(false);
break;
case PT_PART:
case PT_SHOTLINE:
case PT_DECAL:
@@ -505,6 +542,20 @@ void render_particles(int time)
}
}
void particle_emit(int type, int *args, vec &p)
{
if(type<0 || type>=MAXPARTYPES) return;
parttype &pt = parttypes[type];
if(pt.type==PT_FIREBALL) particle_fireball(type, p);
else if(pt.type==PT_FLASH) particle_flash(type, args[0], p);
else particle_splash(type, args[0], args[1], p);
}
void particle_flash(int type, int fade, vec &p)
{
float angle = rnd(360)*RAD;
newparticle(p, vec(cosf(angle), sinf(angle), 0), fade, type);
}
void particle_splash(int type, int num, int fade, vec &p)
{