rainsnow.qc

Go to the documentation of this file.

#include "rainsnow.qh"
REGISTER_NET_LINKED(ENT_CLIENT_RAINSNOW)

#ifdef SVQC
bool rainsnow_SendEntity(entity this, entity to, float sf)
{
    vector myorg = this.origin + this.mins;
    vector mysize = this.maxs - this.mins;
    WriteHeader(MSG_ENTITY, ENT_CLIENT_RAINSNOW);
    WriteByte(MSG_ENTITY, this.state);
    WriteVector(MSG_ENTITY, myorg);
    WriteVector(MSG_ENTITY, mysize);
    WriteShort(MSG_ENTITY, compressShortVector(this.dest));
    WriteShort(MSG_ENTITY, this.count);
    WriteByte(MSG_ENTITY, this.cnt);
    WriteShort(MSG_ENTITY, bound(0, this.fade_end, 32767));
    return true;
}

/*QUAKED spawnfunc_func_rain (0 .5 .8) ?
This is an invisible area like a trigger, which rain falls inside of.

Keys:
"velocity"
 falling direction (should be something like '0 0 -700', use the X and Y velocity for wind)
"cnt"
 sets color of rain (default 12 - white)
"count"
 adjusts density, this many particles fall every second for a 1024x1024 area, default is 2000
*/
spawnfunc(func_rain)
{
    this.dest = this.velocity;
    this.velocity = '0 0 0';
    if (!this.dest)
        this.dest = '0 0 -700';
    this.angles = '0 0 0';
    set_movetype(this, MOVETYPE_NONE);
    this.solid = SOLID_NOT;
    SetBrushEntityModel(this, true);
    if (!this.cnt)
    {
        this.cnt = 12;
    }
    if (!this.count)
        this.count = 2000;
    // relative to absolute particle count
    //this.count = 0.1 * this.count * (this.size_x / 1024) * (this.size_y / 1024);
    if (this.count < 1)
        this.count = 1;
    if(this.count > 65535)
        this.count = 65535;

    this.state = RAINSNOW_RAIN;

    Net_LinkEntity(this, false, 0, rainsnow_SendEntity);
}


/*QUAKED spawnfunc_func_snow (0 .5 .8) ?
This is an invisible area like a trigger, which snow falls inside of.

Keys:
"velocity"
 falling direction (should be something like '0 0 -300', use the X and Y velocity for wind)
"cnt"
 sets color of rain (default 12 - white)
"count"
 adjusts density, this many particles fall every second for a 1024x1024 area, default is 2000
*/
spawnfunc(func_snow)
{
    this.dest = this.velocity;
    this.velocity = '0 0 0';
    if (!this.dest)
        this.dest = '0 0 -300';
    this.angles = '0 0 0';
    set_movetype(this, MOVETYPE_NONE);
    this.solid = SOLID_NOT;
    SetBrushEntityModel(this, true);
    if (!this.cnt)
    {
        this.cnt = 12;
    }
    if (!this.count)
        this.count = 2000;
    // relative to absolute particle count
    //this.count = 0.1 * this.count * (this.size_x / 1024) * (this.size_y / 1024);
    if (this.count < 1)
        this.count = 1;
    if(this.count > 65535)
        this.count = 65535;

    this.state = RAINSNOW_SNOW;

    Net_LinkEntity(this, false, 0, rainsnow_SendEntity);
}
#elif defined(CSQC)
float autocvar_cl_rainsnow_maxdrawdist = 1000;

void Draw_RainSnow(entity this)
{
    float drawdist = ((this.fade_end) ? this.fade_end : autocvar_cl_rainsnow_maxdrawdist);
    vector maxdist = '1 1 1' * drawdist;

    vector effbox_min = vec_to_max(view_origin - maxdist, this.origin + this.mins);
    vector effbox_max = vec_to_min(view_origin + maxdist, this.origin + this.maxs);

    vector mysize = effbox_max - effbox_min;
    float mycount = bound(1, 0.1 * this.count * (mysize.x / 1024) * (mysize.y / 1024), 65535);

    if(boxesoverlap(view_origin - maxdist, view_origin + maxdist, this.absmin, this.absmax)) // optimisation: don't render any rain if the player is outside the view distance
    {
        if(this.state == RAINSNOW_RAIN)
            te_particlerain(effbox_min, effbox_max, this.velocity, floor(mycount * drawframetime + random()), this.glow_color);
        else
            te_particlesnow(effbox_min, effbox_max, this.velocity, floor(mycount * drawframetime + random()), this.glow_color);
    }
}

NET_HANDLE(ENT_CLIENT_RAINSNOW, bool isnew)
{
    this.state = ReadByte(); // Rain, Snow, or Whatever
    this.origin = ReadVector();
    this.maxs = ReadVector();
    this.velocity = decompressShortVector(ReadShort());
    this.count = ReadShort();
    this.glow_color = ReadByte(); // color
    this.fade_end = ReadShort();

    return = true;

    this.mins    = -0.5 * this.maxs;
    this.maxs    =  0.5 * this.maxs;
    this.origin  = this.origin - this.mins;

    setorigin(this, this.origin);
    setsize(this, this.mins, this.maxs);
    this.solid = SOLID_NOT;
    if (isnew) IL_PUSH(g_drawables, this);
    this.draw = Draw_RainSnow;
}
#endif