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//==============================================================================
// misc_sparks -- selections from Rubicon 2 qc by john fitzgibbons
//==============================================================================

//======================================================================
// constants
//======================================================================

const float MISC_SPARKS_START_OFF = 1;
const float MISC_SPARKS_BLUE = 2;
const float MISC_SPARKS_PALE = 4;

enum
{
        TEMP_SPARK_FADE1,               // animation states for temp_spark
        TEMP_SPARK_FADE2,
        TEMP_SPARK_FADE3,
        TEMP_SPARK_FADE4,
        TEMP_SPARK_REMOVE
};

//======================================================================
// forward declarations
//======================================================================

// temp_spark
void() temp_spark_think;
entity(entity own, vector org, float sflags) spawn_temp_spark;
void(entity e) temp_spark_init;
strip void() temp_spark;

// misc_sparks
void() misc_sparks_think_make;
void() misc_sparks_think_turnofflight;
void() misc_sparks_use;
void(entity e) misc_sparks_init;
void() misc_sparks;

//------------------------------------------------------------------------------

//----------------------------------------------------------------------
// temp_spark - an individual spark - from Rubicon2, refactored by CEV
//----------------------------------------------------------------------
// class temp_spark: base_tempentity
// {
        //--------------------------------------------------------------
        void() temp_spark_think =
        {
                if (self.state == TEMP_SPARK_REMOVE)
                {
                        remove (self);
                        return;
                }

                self.alpha -= 0.2;
                self.state += 1;
                self.nextthink = time + 0.05;
        };

        //--------------------------------------------------------------
        entity(entity own, vector org, float sflags) spawn_temp_spark =
        {
                local entity e = spawn ();
                e.owner = own;
                e.origin = org;
                e.spawnflags = sflags;
                temp_spark_init (e);
                return e;
        };

        //--------------------------------------------------------------
        void(entity e) temp_spark_init =
        {
                e.classname = "spark";
                e.classtype = CT_TEMP_SPARK;
                // TODO CEV set classgroup directly to save a function call
                // base_tempentity_init (e);
                e.classgroup |= CG_TEMPENTITY;

                e.movetype = MOVETYPE_BOUNCE;
                e.solid = SOLID_TRIGGER;
                e.alpha = 1.0;
                e.gravity = 0.3;
                e.velocity_x = -40 + random() * 80;
                e.velocity_y = -40 + random() * 80;
                e.velocity_z = -40 + random() * 80;
                e.avelocity = '3000 3000 3000';

                if (random() < 0.33)
                        e.skin = 0;
                else if (random() < 0.5)
                        e.skin = 1;
                else
                        e.skin = 2;

                if (e.spawnflags & MISC_SPARKS_PALE)
                        e.skin = e.skin + 6;
                else if (e.spawnflags & MISC_SPARKS_BLUE)
                        e.skin = e.skin + 3;

                setmodel (e, "progs/spark.mdl");
                setorigin (e, e.origin);
                setsize (e, '0 0 0', '0 0 0');

                e.state = TEMP_SPARK_FADE1;
                e.think = temp_spark_think;
                e.nextthink = time + 0.5 + 1.5 * random();
        };

        //--------------------------------------------------------------
        strip void() temp_spark =
        {
                temp_spark_init (self);
        };
// };

/*QUAKED misc_sparks (0 .5 .8) (-8 -8 -8) (8 8 8) MISC_SPARKS_START_OFF MISC_SPARKS_BLUE MISC_SPARKS_PALE X X X X X NOT_ON_EASY NOT_ON_NORMAL NOT_ON_HARD_OR_NIGHTMARE NOT_IN_DEATHMATCH NOT_IN_COOP NOT_IN_SINGLEPLAYER X NOT_ON_HARD_ONLY NOT_ON_NIGHTMARE_ONLY

Produces a burst of yellow sparks at random intervals. If targeted, it will toggle between on or off.  If it targets a light, that light will flash allong with each burst of sparks. Note: targeted lights should be set to START_OFF.

SPARKS_BLUE: sparks are blue in color

SPARKS_PALE: sparks are pale yellow in color

Keys:

"wait" is the average delay between bursts (variance is 1/2 wait). Default is 2.

"cnt" is the average number of sparks in a burst (variance is 1/4 cnt). Default is 15.

"sounds"
0)      no sound
1)      sparks
*/
//----------------------------------------------------------------------
// class misc_sparks: base_mapentity
// {
        //--------------------------------------------------------------
        void() misc_sparks_think_make =
        {
                if (self.spawnflags & MISC_SPARKS_START_OFF)
                {
                        self.think = misc_sparks_think_make;
                        self.nextthink = time + 0.1;
                        return;
                }

                local float i;
                i = -0.25 * self.cnt + random() * 0.5 * self.cnt;
                while (i < self.cnt)
                {
                        spawn_temp_spark (self, self.origin, self.spawnflags);
                        i++;
                }

                if (self.sounds == 1)
                        if (self.noise != "")
                                sound (self, CHAN_AUTO, self.noise,
                                        1, ATTN_STATIC);
                        else
                                sound (self, CHAN_AUTO, "enforcer/enfstop.wav",
                                        1, ATTN_STATIC);

                sub_usetargets ();
                self.think = misc_sparks_think_turnofflight;
                self.nextthink = time + 0.1 + random() * 0.1;
        };

        //--------------------------------------------------------------
        void() misc_sparks_think_turnofflight =
        {
                sub_usetargets ();
                self.think = misc_sparks_think_make;
                self.nextthink = time + (random() + 0.5) * self.wait - 0.15;
        };

        //--------------------------------------------------------------
        void() misc_sparks_use =
        {

                if (self.spawnflags & MISC_SPARKS_START_OFF)
                        self.spawnflags &= ~MISC_SPARKS_START_OFF;
                else
                        self.spawnflags |= MISC_SPARKS_START_OFF;
        };

        //--------------------------------------------------------------
        void(entity e) misc_sparks_init =
        {
                e.classname = "misc_sparks";
                e.classtype = CT_MISC_SPARKS;
                base_mapentity_init (e);

                precache_model ("progs/spark.mdl");

                if (!e.noise)
                        precache_sound ("dump/spark.wav");
                else
                        precache_sound (e.noise);

                if (!e.movedir)
                        e.movedir = '0 0 -30';

                if (!e.wait)
                        e.wait = 2;

                if (!e.cnt)
                        e.cnt = 15;

                e.use = misc_sparks_use;
                e.think = misc_sparks_think_make;
                e.nextthink = time + random() * 0.1;
        };

        //--------------------------------------------------------------
        void() misc_sparks =
        {
                // new spawnflags for all entities -- iw
                if (SUB_Inhibit())
                        return;

                misc_sparks_init (self);
        };
// };