void CG_EffectParse(const char *effectstr)
{
// Split the string into it's component parts.
float bmin, bmax, cmin, cmax, gmin, gmax, bdrop, gdrop, wsplash, lsplash;
int count;
char *startptr, *eqptr, *endptr, *type;
char workbuff[128];
if (CG_AtmosphericKludge())
return;
// Set up some default values
cg_atmFx.baseVec[0] = cg_atmFx.baseVec[1] = 0;
cg_atmFx.gustVec[0] = cg_atmFx.gustVec[1] = 100;
bmin = 5;
bmax = 10;
cmin = 1;
cmax = 1;
gmin = 0;
gmax = 2;
bdrop = gdrop = 300;
cg_atmFx.baseWeight = 0.7f;
cg_atmFx.gustWeight = 1.5f;
wsplash = 1;
lsplash = 1;
type = NULL;
// Parse the parameter string
Q_strncpyz(workbuff, effectstr, sizeof(workbuff));
for (startptr = workbuff; *startptr;) {
for (eqptr = startptr; *eqptr && *eqptr != '=' && *eqptr != ','; eqptr++);
if (!*eqptr)
break; // No more string
if (*eqptr == ',') {
startptr = eqptr + 1; // Bad argument, continue
continue;
}
*eqptr++ = 0;
for (endptr = eqptr; *endptr && *endptr != ','; endptr++);
if (*endptr)
*endptr++ = 0;
if (!type) {
if (Q_stricmp(startptr, "T")) {
cg_atmFx.numDrops = 0;
CG_Printf("Atmospheric effect must start with a type.\n");
return;
}
if (!Q_stricmp(eqptr, "RAIN")) {
type = "rain";
cg_atmFx.ParticleCheckVisible = &CG_RainParticleCheckVisible;
cg_atmFx.ParticleGenerate = &CG_RainParticleGenerate;
cg_atmFx.ParticleRender = &CG_RainParticleRender;
cg_atmFx.baseVec[2] = cg_atmFx.gustVec[2] = -ATMOSPHERIC_RAIN_SPEED;
} else if (!Q_stricmp(eqptr, "SNOW")) {
type = "snow";
cg_atmFx.ParticleCheckVisible = &CG_RainParticleCheckVisible;
cg_atmFx.ParticleGenerate = &CG_SnowParticleGenerate;
cg_atmFx.ParticleRender = &CG_SnowParticleRender;
cg_atmFx.baseVec[2] = cg_atmFx.gustVec[2] = -ATMOSPHERIC_SNOW_SPEED;
} else {
cg_atmFx.numDrops = 0;
CG_Printf("Only effect type 'rain' and 'snow' are supported.\n");
return;
}
} else {
if (!Q_stricmp(startptr, "B"))
CG_EP_ParseFloats(eqptr, &bmin, &bmax);
else if (!Q_stricmp(startptr, "C"))
CG_EP_ParseFloats(eqptr, &cmin, &cmax);
else if (!Q_stricmp(startptr, "G"))
CG_EP_ParseFloats(eqptr, &gmin, &gmax);
else if (!Q_stricmp(startptr, "BV"))
CG_EP_ParseFloats(eqptr, &cg_atmFx.baseVec[0], &cg_atmFx.baseVec[1]);
else if (!Q_stricmp(startptr, "GV"))
CG_EP_ParseFloats(eqptr, &cg_atmFx.gustVec[0], &cg_atmFx.gustVec[1]);
else if (!Q_stricmp(startptr, "W"))
CG_EP_ParseFloats(eqptr, &cg_atmFx.baseWeight, &cg_atmFx.gustWeight);
else if (!Q_stricmp(startptr, "S"))
CG_EP_ParseFloats(eqptr, &wsplash, &lsplash);
else if (!Q_stricmp(startptr, "D"))
CG_EP_ParseFloats(eqptr, &bdrop, &gdrop);
else
CG_Printf("Unknown effect key '%s'.\n", startptr);
}
startptr = endptr;
}
if (!type) {
// No effects
cg_atmFx.numDrops = -1;
return;
}
cg_atmFx.baseMinTime = 1000 * bmin;
cg_atmFx.baseMaxTime = 1000 * bmax;
cg_atmFx.changeMinTime = 1000 * cmin;
cg_atmFx.changeMaxTime = 1000 * cmax;
cg_atmFx.gustMinTime = 1000 * gmin;
cg_atmFx.gustMaxTime = 1000 * gmax;
cg_atmFx.baseDrops = bdrop;
cg_atmFx.gustDrops = gdrop;
cg_atmFx.waterSplash = wsplash;
cg_atmFx.landSplash = lsplash;
cg_atmFx.numDrops = (cg_atmFx.baseDrops > cg_atmFx.gustDrops) ? cg_atmFx.baseDrops : cg_atmFx.gustDrops;
if (cg_atmFx.numDrops > MAX_ATMOSPHERIC_PARTICLES)
cg_atmFx.numDrops = MAX_ATMOSPHERIC_PARTICLES;
// Load graphics
// Rain
if (!Q_stricmp(type, "rain")) {
cg_atmFx.numEffectShaders = 1;
if (!(cg_atmFx.effectshaders[0] = trap_R_RegisterShader("gfx/atmosphere/raindrop")))
cg_atmFx.effectshaders[0] = -1;
if (cg_atmFx.waterSplash)
cg_atmFx.effectwatershader = trap_R_RegisterShader("gfx/atmosphere/raindropwater");
if (cg_atmFx.landSplash)
cg_atmFx.effectlandshader = trap_R_RegisterShader("gfx/atmosphere/raindropsolid");
// Snow
} else if (!Q_stricmp(type, "snow")) {
for (cg_atmFx.numEffectShaders = 0; cg_atmFx.numEffectShaders < 6; cg_atmFx.numEffectShaders++) {
if (!
(cg_atmFx.effectshaders[cg_atmFx.numEffectShaders] =
trap_R_RegisterShader(va("gfx/atmosphere/snowflake0%i", cg_atmFx.numEffectShaders))))
cg_atmFx.effectshaders[cg_atmFx.numEffectShaders] = -1; // we had some kind of a problem
}
cg_atmFx.waterSplash = 0;
cg_atmFx.landSplash = 0;
// This really should never happen
} else
cg_atmFx.numEffectShaders = 0;
// Initialise atmospheric effect to prevent all particles falling at the start
for (count = 0; count < cg_atmFx.numDrops; count++)
cg_atmFx.particles[count].nextDropTime = ATMOSPHERIC_DROPDELAY + (rand() % ATMOSPHERIC_DROPDELAY);
CG_EffectGust();
}
/**
* @brief Parse effect
* @details Split the string into it's component parts.
*/
void CG_EffectParse(const char *effectstr)
{
float bmin, bmax, cmin, cmax, gmin, gmax, bdrop, gdrop /*, wsplash, lsplash*/;
int bheight;
char *startptr, *eqptr, *endptr;
char workbuff[128];
atmFXType_t atmFXType = ATM_NONE;
if (CG_AtmosphericKludge())
{
return;
}
// set up some default values
cg_atmFx.baseVec[0] = cg_atmFx.baseVec[1] = 0;
cg_atmFx.gustVec[0] = cg_atmFx.gustVec[1] = 100;
bmin = 5;
bmax = 10;
cmin = 1;
cmax = 1;
gmin = 0;
gmax = 2;
bdrop = gdrop = 300;
cg_atmFx.baseWeight = 0.7f;
cg_atmFx.gustWeight = 1.5f;
bheight = 0;
// parse the parameter string
Q_strncpyz(workbuff, effectstr, sizeof(workbuff));
for (startptr = workbuff; *startptr; )
{
for (eqptr = startptr; *eqptr && *eqptr != '=' && *eqptr != ','; eqptr++)
;
if (!*eqptr)
{
break; // No more string
}
if (*eqptr == ',')
{
startptr = eqptr + 1; // Bad argument, continue
continue;
}
*eqptr++ = 0;
for (endptr = eqptr; *endptr && *endptr != ','; endptr++)
;
if (*endptr)
{
*endptr++ = 0;
}
if (atmFXType == ATM_NONE)
{
if (Q_stricmp(startptr, "T"))
{
cg_atmFx.numDrops = 0;
CG_Printf("Atmospheric effect must start with a type.\n");
return;
}
if (!Q_stricmp(eqptr, "RAIN"))
{
atmFXType = ATM_RAIN;
cg_atmFx.ParticleCheckVisible = &CG_RainParticleCheckVisible;
cg_atmFx.ParticleGenerate = &CG_RainParticleGenerate;
cg_atmFx.ParticleRender = &CG_RainParticleRender;
cg_atmFx.baseVec[2] = cg_atmFx.gustVec[2] = -ATMOSPHERIC_RAIN_SPEED;
}
else if (!Q_stricmp(eqptr, "SNOW"))
{
atmFXType = ATM_SNOW;
cg_atmFx.ParticleCheckVisible = &CG_SnowParticleCheckVisible;
cg_atmFx.ParticleGenerate = &CG_SnowParticleGenerate;
cg_atmFx.ParticleRender = &CG_SnowParticleRender;
cg_atmFx.baseVec[2] = cg_atmFx.gustVec[2] = -ATMOSPHERIC_SNOW_SPEED;
}
else
{
cg_atmFx.numDrops = 0;
CG_Printf("Only effect type 'rain' and 'snow' are supported.\n");
return;
}
}
else
{
if (!Q_stricmp(startptr, "B"))
{
CG_EP_ParseFloats(eqptr, &bmin, &bmax);
}
else if (!Q_stricmp(startptr, "C"))
{
CG_EP_ParseFloats(eqptr, &cmin, &cmax);
}
else if (!Q_stricmp(startptr, "G"))
{
CG_EP_ParseFloats(eqptr, &gmin, &gmax);
}
else if (!Q_stricmp(startptr, "BV"))
{
CG_EP_ParseFloats(eqptr, &cg_atmFx.baseVec[0], &cg_atmFx.baseVec[1]);
}
else if (!Q_stricmp(startptr, "GV"))
{
CG_EP_ParseFloats(eqptr, &cg_atmFx.gustVec[0], &cg_atmFx.gustVec[1]);
}
else if (!Q_stricmp(startptr, "W"))
{
CG_EP_ParseFloats(eqptr, &cg_atmFx.baseWeight, &cg_atmFx.gustWeight);
}
else if (!Q_stricmp(startptr, "D"))
{
CG_EP_ParseFloats(eqptr, &bdrop, &gdrop);
}
else if (!Q_stricmp(startptr, "H"))
{
CG_EP_ParseInts(eqptr, &bheight, &bheight);
}
else
{
CG_Printf("Unknown effect key '%s'.\n", startptr);
}
}
startptr = endptr;
}
if (atmFXType == ATM_NONE || !BG_LoadTraceMap(cgs.rawmapname, cg.mapcoordsMins, cg.mapcoordsMaxs))
{
// no effects
cg_atmFx.numDrops = -1;
return;
}
cg_atmFx.baseHeightOffset = bheight;
if (cg_atmFx.baseHeightOffset < 0)
{
cg_atmFx.baseHeightOffset = 0;
}
cg_atmFx.baseMinTime = 1000 * bmin;
cg_atmFx.baseMaxTime = 1000 * bmax;
cg_atmFx.changeMinTime = 1000 * cmin;
cg_atmFx.changeMaxTime = 1000 * cmax;
cg_atmFx.gustMinTime = 1000 * gmin;
cg_atmFx.gustMaxTime = 1000 * gmax;
cg_atmFx.baseDrops = bdrop;
cg_atmFx.gustDrops = gdrop;
cg_atmFx.numDrops = (cg_atmFx.baseDrops > cg_atmFx.gustDrops) ? cg_atmFx.baseDrops : cg_atmFx.gustDrops;
if (cg_atmFx.numDrops > MAX_ATMOSPHERIC_PARTICLES)
{
cg_atmFx.numDrops = MAX_ATMOSPHERIC_PARTICLES;
}
// load graphics
if (atmFXType == ATM_RAIN) // rain
{
cg_atmFx.numEffectShaders = 1;
cg_atmFx.effectshaders[0] = trap_R_RegisterShader("gfx/misc/raindrop");
if (!(cg_atmFx.effectshaders[0]))
{
cg_atmFx.effectshaders[0] = -1;
cg_atmFx.numEffectShaders = 0;
}
}
else if (atmFXType == ATM_SNOW) // snow
{
cg_atmFx.numEffectShaders = 1;
cg_atmFx.effectshaders[0] = trap_R_RegisterShader("gfx/misc/snow");
}
else
{
// this really should never happen
cg_atmFx.numEffectShaders = 0;
}
CG_EffectGust();
}
