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//==============================================================================
// trigger_textstory
//==============================================================================

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

const float TEXTSTORY_SILENT = 1;
const float TEXTSTORY_NOFADE = 2;

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

// base_textstory
void(entity controller) base_textstory_hide;
void(entity controller) base_textstory_show;

// trigger_textstory
void() trigger_textstory_hide;
void() trigger_textstory_show;
void() trigger_textstory_touch;
void(entity e) trigger_textstory_init;
void() trigger_textstory;

// target_textstory_helper
void() target_textstory_helper_hide;
void() target_textstory_helper_show;
entity(entity src, entity tgt, float nthink, float atkfinished)
        spawn_target_textstory_helper;
void(entity e) target_textstory_helper_init;
void() target_textstory_helper;

// target_textstory
void(entity tgt) target_textstory_spawn_helper;
void() target_textstory_use;
void(entity e) target_textstory_init;
void() target_textstory;

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

//----------------------------------------------------------------------
// base textstory class
//----------------------------------------------------------------------
// class base_textstory: base_trigger
// {
        //--------------------------------------------------------------
        // hide a textstory
        //--------------------------------------------------------------
        void(entity controller) base_textstory_hide =
        {
                if (!self.enemy || !(self.enemy.flags & FL_CLIENT))
                        return;

                self.enemy.suppressCenterPrint = FALSE;
                centerprint (self.enemy, "");

                if (controller.noise2 != __NULL__ && controller.noise2 != "")
                        sound (self.enemy, CHAN_BODY, controller.noise2, 1,
                                ATTN_NORM);

                if (!(controller.spawnflags & TEXTSTORY_NOFADE))
                        csf_fade (self.enemy, 0, '0 0 0', 0.5);
        };

        //--------------------------------------------------------------
        // show a textstory
        //--------------------------------------------------------------
        void(entity controller) base_textstory_show =
        {
                if (!self.enemy || !(self.enemy.flags & FL_CLIENT))
                        return;

                self.enemy.suppressCenterPrint = TRUE;

                centerprint_builtin (self.enemy, controller.message);

                if (!self.state)
                {
                        if (controller.noise1 != __NULL__ &&
                                controller.noise1 != "")
                        {
                                sound (self.enemy, CHAN_BODY, controller.noise1,
                                        1, ATTN_NORM);
                        }

                        if (!(controller.spawnflags & TEXTSTORY_NOFADE))
                        {
                                //custom fade amount --dumptruck_ds
                                if (!self.fade_amt)
                                        csf_fade (self.enemy, 160, '0 0 0', 1);
                                else
                                        csf_fade (self.enemy, self.fade_amt,
                                                '0 0 0', 1);
                        }
                }

                self.state = 1;
        };
// };

//----------------------------------------------------------------------
// trigger_textstory -- centerprint text when inside this trigger
//----------------------------------------------------------------------
// class trigger_textstory: base_textstory
// {
        //--------------------------------------------------------------
        // hide text
        //--------------------------------------------------------------
        void() trigger_textstory_hide =
        {
                base_textstory_hide (self);

                self.enemy = world;
                self.state = 0;
        };

        //--------------------------------------------------------------
        // show text
        //--------------------------------------------------------------
        void() trigger_textstory_show =
        {
                base_textstory_show (self);

                self.think = trigger_textstory_hide;
                self.nextthink = time + 0.2;
        };

        //--------------------------------------------------------------
        void() trigger_textstory_touch =
        {
                if (!(other.flags & FL_CLIENT))
                        return;

                if (self.estate != STATE_ACTIVE)
                        return;

                // don't show message if another player is already triggering it
                if (other != self.enemy && self.state == 1)
                        return;

                if (self.mangle && !is_in_angle (other.v_angle, self.mangle,
                        self.view_ofs))
                {
                        return;
                }

                if (self.attack_finished < time)
                {
                        self.attack_finished = time + 0.1;
                        self.enemy = other;

                        trigger_textstory_show ();
                }
        };

        //--------------------------------------------------------------
        void(entity e) trigger_textstory_init =
        {
                e.classname = "trigger_textstory";
                e.classtype = CT_TRIGGER_TEXTSTORY;
                e.touch = trigger_textstory_touch;
                base_trigger_init (e);

                if (e.view_ofs == '0 0 0')
                        e.view_ofs = '90 90 0';

                if (e.mangle)
                        e.mangle = normalize_angles180 (e.mangle);

                if (e.noise1 == "")
                        e.noise1 = "misc/talk.wav";

                if (e.noise2 == "")
                        e.noise2 = "misc/null.wav";

                if (e.spawnflags & TEXTSTORY_SILENT)
                {
                        e.noise1 = "";
                        e.noise2 = "";
                }


                if (e.noise1 != "")
                        precache_sound (e.noise1);
                if (e.noise2 != "")
                        precache_sound (e.noise2);

                sub_checkwaiting (e);
        };

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

                trigger_textstory_init (self);
        };
// };

//------------------------------------------------------------------------------
// helper class spawned by target_textstory below
//------------------------------------------------------------------------------
// class target_textstory_helper: base_textstory
// {
        //--------------------------------------------------------------
        // hide text
        //--------------------------------------------------------------
        void() target_textstory_helper_hide =
        {
                base_textstory_hide (self.owner);
                remove (self);
        };

        //--------------------------------------------------------------
        // show text
        //--------------------------------------------------------------
        void() target_textstory_helper_show =
        {
                if (!self.enemy || !(self.enemy.flags & FL_CLIENT))
                {
                        remove (self);
                        return;
                }

                base_textstory_show (self.owner);

                if (self.attack_finished < time)
                        self.think = target_textstory_helper_hide;

                self.nextthink = time + 0.1;
        };

        //--------------------------------------------------------------
        entity(entity src, entity tgt, float nthink, float atkfinished)
                spawn_target_textstory_helper =
        {
                local entity e = spawn ();
                e.owner = src;
                e.enemy = tgt;
                e.nextthink = nthink;
                e.attack_finished = atkfinished;
                target_textstory_helper_init (e);
                return e;
        };

        //--------------------------------------------------------------
        void(entity e) target_textstory_helper_init =
        {
                e.classname = "target_textstory_helper";
                e.classtype = CT_TARGET_TEXTSTORY_HELPER;
                e.think = target_textstory_helper_show;

                base_tempentity_init (e);
        };

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

                target_textstory_helper_init (self);
        };
// };

//----------------------------------------------------------------------
// target_textstory: centerprint a message for an amount of time when used
//----------------------------------------------------------------------
// class target_textstory: base_textstory
// {
        //--------------------------------------------------------------
        // create the hidden object that'll show the actual message
        //--------------------------------------------------------------
        void(entity tgt) target_textstory_spawn_helper =
        {
                entity helper = spawn_target_textstory_helper (self, tgt,
                        time + 0.1, time + self.wait);
        };

        //--------------------------------------------------------------
        void() target_textstory_use =
        {
                if (!(activator.flags & FL_CLIENT))
                        return;
                if (self.estate != STATE_ACTIVE)
                        return;

                local entity t;

                if (self.spawnflags & TRIGGER_CENTERPRINTALL)
                {
                        t = findfloat (world, classtype, CT_PLAYER);
                        while (t)
                        {
                                target_textstory_spawn_helper (t);
                                t = findfloat (t, classtype, CT_PLAYER);
                        }
                }
                else
                {
                        target_textstory_spawn_helper (activator);
                }
        };

        //--------------------------------------------------------------
        void(entity e) target_textstory_init =
        {
                e.classname = "target_textstory";
                e.classtype = CT_TARGET_TEXTSTORY;
                base_mapentity_init (e);

                if (e.noise1 == "")
                        e.noise1 = "misc/talk.wav";

                if (e.noise2 == "")
                        e.noise2 = "misc/null.wav";

                if (e.spawnflags & TEXTSTORY_SILENT) {
                        e.noise1 = "";
                        e.noise2 = "";
                }

                if (e.noise1 != "")
                        precache_sound (e.noise1);
                if (e.noise2 != "")
                        precache_sound (e.noise2);

                if (!e.wait)
                        e.wait = 5;

                e.use = target_textstory_use;
        };

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

                target_textstory_init (self);
        };
// };