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

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

const float LASER_START_OFF = 1;
const float LASER_SOLID = 2;

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

// temp_laser_helper
void() temp_laser_helper_think;
entity(entity own, float newalpha) spawn_temp_laser_helper;
void(entity e) temp_laser_helper_init;
strip void() temp_laser_helper;

// func_laser
void() func_laser_touch;
void() func_laser_use;
void(entity e) func_laser_init;
void() func_laser;

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

//----------------------------------------------------------------------
// class temp_laser_helper: base_tempentity
// {
        //--------------------------------------------------------------
        void() temp_laser_helper_think =
        {
                if (!self.owner || self.owner.classtype != CT_FUNC_LASER)
                {
                        remove (self);
                        return;
                }

                if (!(self.owner.spawnflags & LASER_START_OFF))
                        self.owner.alpha = self.alpha * 0.8 +
                                self.alpha * random() * 0.4;

                self.nextthink = time + 0.05;
        };

        //--------------------------------------------------------------
        entity(entity own, float newalpha) spawn_temp_laser_helper =
        {
                local entity e = spawn ();
                e.owner = own;
                e.alpha = newalpha;
                temp_laser_helper_init (e);
                return e;
        };

        //--------------------------------------------------------------
        void(entity e) temp_laser_helper_init =
        {
                e.classname = "temp_laser_helper";
                e.classtype = CT_TEMP_LASER_HELPER;
                base_tempentity_init (e);

                e.think = temp_laser_helper_think;
                e.nextthink = 0.05;
        };

        //--------------------------------------------------------------
        strip void() temp_laser_helper =
        {
                temp_laser_helper_init (self);
        };
// };

/*QUAKED func_laser (0 .5 .8) ? LASER_START_OFF LASER_SOLID X 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

A toggleable laser, hurts to touch, can be used to block players

LASER_START_OFF: Laser starts off.

LASER_SOLID: Laser blocks movement while turned on.

Keys:

"dmg" damage to do on touch. default 1

"alpha" approximate alpha you want the laser drawn at. default 0.5. alpha will vary by 20% of this value.

"message" message to display when activated

"message2" message to display when deactivated

*/
//----------------------------------------------------------------------
// class func_laser: base_func
// {
        //--------------------------------------------------------------
        void() func_laser_touch =
        {
                // from Copper -- dumptruck_ds
                if (other.movetype == MOVETYPE_NOCLIP)
                        return;

                if (other.takedamage && self.attack_finished < time)
                {
                        t_damage2 (other, self, self, self.dmg);
                        self.attack_finished = time + 0.1;
                }

        };

        //--------------------------------------------------------------
        void() func_laser_use =
        {
                if (self.spawnflags & LASER_START_OFF)
                {
                        setorigin (self, '0 0 0');
                        self.spawnflags = self.spawnflags - LASER_START_OFF;

                        // changed for progs_dump: the laser sound is now
                        // emitted from the func_laser itself instead of
                        // from the activator -- iw
                        sound (self, CHAN_VOICE, self.noise, 1, ATTN_NORM);

                        if (activator.classtype == CT_PLAYER &&
                                self.message != "")
                        {
                                centerprint (activator, self.message);
                        }
                }
                else
                {
                        // changed for progs_dump: the laser sound is now
                        // emitted from the func_laser itself instead of
                        // from the activator -- iw
                        sound (self, CHAN_VOICE, self.noise1, 1, ATTN_NORM);

                        setorigin (self, '0 0 9000');
                        self.spawnflags = self.spawnflags + LASER_START_OFF;

                        if (activator.classtype == CT_PLAYER &&
                                self.message2 != "")
                        {
                                centerprint (activator, self.message2);
                        }
                }
        };

        //--------------------------------------------------------------
        void(entity e) func_laser_init =
        {
                e.classname = "func_laser";
                e.classtype = CT_FUNC_LASER;
                base_func_init (e);

                setmodel (e, e.model);

                precache_sound ("buttons/switch02.wav");
                precache_sound ("buttons/switch04.wav");

                if (e.spawnflags & LASER_SOLID)
                {
                        // so you can shoot between lasers in a single bmodel
                        e.solid = SOLID_BSP;
                        // required becuase of SOLID_BSP
                        e.movetype = MOVETYPE_PUSH;
                }
                else
                {
                        e.solid = SOLID_TRIGGER;
                        e.movetype = MOVETYPE_NONE;
                }

                if (!e.alpha)
                        e.alpha = 0.5;

                if (!e.dmg)
                        e.dmg = 1;

                e.touch = func_laser_touch;
                e.use = func_laser_use;

                if (e.spawnflags & LASER_START_OFF)
                        setorigin (e, '0 0 9000');

                if (e.noise != "")
                        precache_sound (e.noise);
                else
                        e.noise = "buttons/switch02.wav";

                if (e.noise1 != "")
                        precache_sound (e.noise1);
                else
                        e.noise1 = "buttons/switch04.wav";

                // spawn a second entity to handle alpha changes, since
                // MOVETYPE_PUSH doesn't support think functions
                spawn_temp_laser_helper (e, e.alpha);
        };

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

                func_laser_init (self);
        };
// };