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//==============================================================================
// info_teleport_changedest -- by Qmaster, from progs_dump 3
//==============================================================================

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

void() info_teleport_changedest_use;
entity(entity src, vector org, string tname, string t, string m)
        spawn_info_teleport_changedest;
void(entity e) info_teleport_changedest_init;
void() info_teleport_changedest;

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

/*QUAKED info_teleport_changedest (0 0.5 0) (-4 -4 -4) (4 4 4) X X 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
Allows a mapper to change the target of a teleport_trigger. Useful in maps where
the player may fall into a void and the mapper wants to update where they "respawn"
as they progress through the level. Could also be used for teleport puzzles and more.
target = trigger_teleport to change
message = new info_teleport_destination's targetname to switch to
targetname = name of this entity so we can use it
*/

//----------------------------------------------------------------------
// class info_teleport_changedest: base_mapentity
// {
        //--------------------------------------------------------------
        // this is from Qmaster:
        //
        // "I created an info_teleport_changedest
        // target = targetname of trigger_teleport to affect
        // message = targetname of new info_teleport_destination (or
        // whatever entity really) to now teleport to
        //
        // So that I can automatically update the teleporter under my coagula
        // map as you progress rather than have a bunch of triggers that I
        // need to killtarget. Falling is not fatal then, but it does put you
        // back some. Works as a sorta checkpoint system but also builds on my
        // older idea for saving time in coop implemented in my Terracity map
        // eons ago.
        //
        // looking at vanilla, you would only need to change trig.target to
        // match self.message if you were to add this."
        //--------------------------------------------------------------
        void() info_teleport_changedest_use =
        {
                local entity trig;

                trig = find (world, targetname, self.target);
                if (!trig || trig.classtype != CT_TRIGGER_TELEPORT)
                {
                        dprint ("\b[TELEPORT_DESTCHANGE]\b ");
                        dprint ("Cannot find trigger_teleport\n");
                        return;
                }

                trig.goalentity = find (world, ::targetname, self.message);
                if (!trig.goalentity)
                {
                        dprint ("\b[TELEPORT_DESTCHANGE]\b ");
                        dprint ("Cannot find teleport destination\n");
                        return;
                }

                makevectors (trig.goalentity.mangle);
                trig.goalentity.movedir = v_forward;
                trig.goalentity.pos1 = trig.goalentity.origin + 32 *
                        trig.goalentity.movedir;

                // dumptruck_ds see comment above
                trig.target = self.message;
        };

        //--------------------------------------------------------------
        entity(entity src, vector org, string tname, string t, string m)
                spawn_info_teleport_changedest =
        {
                local entity e = spawn ();
                e.owner = src;
                e.origin = org;
                e.targetname = tname;
                e.target = t;
                e.message = m;
                info_teleport_changedest_init (e);
                return e;
        };

        //--------------------------------------------------------------
        void(entity e) info_teleport_changedest_init =
        {
                base_mapentity_init (e);
                e.classname = "info_teleport_changedest";
                e.classtype = CT_INFO_TELEPORT_CHANGEDEST;

                if (e.targetname == "")
                {
                        dprint ("\b[ERROR]\b info_teleport_changedest ");
                        dprint ("with no targetname\n");
                        remove (e);
                }

                if (e.target == "")
                {
                        dprint ("\b[ERROR]\b info_teleport_changedest ");
                        dprint ("with no target\n");
                        remove (e);
                }

                if (e.message == "")
                {
                        dprint ("\b[ERROR]\b info_teleport_changedest ");
                        dprint ("with no message set for new destination\n");
                        remove (e);
                }

                e.use = info_teleport_changedest_use;
        };

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

                info_teleport_changedest_init (self);
        };
// };