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make objerror safe for all entities again
[divverent/nexuiz.git] / data / qcsrc / server / t_teleporters.qc
1 .entity pusher;
2 void TeleportPlayer(entity teleporter, entity player, vector to, vector to_angles, vector to_velocity, vector telefragmin, vector telefragmax)
3 {
4         entity head;
5         entity oldself;
6         entity telefragger;
7
8         if(teleporter.owner)
9                 telefragger = teleporter.owner;
10         else
11                 telefragger = player;
12
13         sound (player, CHAN_TRIGGER, "misc/teleport.wav", VOL_BASE, ATTN_NORM);
14         pointparticles(particleeffectnum("teleport"), player.origin, '0 0 0', 1);
15
16         makevectors (to_angles);
17         pointparticles(particleeffectnum("teleport"), to + v_forward * 32, '0 0 0', 1);
18
19         // Relocate the player
20         // assuming to allows PL_MIN to PL_MAX box and some more
21         setorigin (player, to);
22         player.angles = to_angles;
23         player.fixangle = TRUE;
24         player.velocity = to_velocity;
25
26         if(player.classname == "player")
27         {
28                 RemoveGrapplingHook(player);
29
30                 // Kill anyone else in the teleporter box (NO MORE TDEATH)
31                 if(player.takedamage && player.deadflag == DEAD_NO && !g_race)
32                 {
33                         vector deathmin;
34                         vector deathmax;
35                         float deathradius;
36                         deathmin = player.absmin;
37                         deathmax = player.absmax;
38                         if(telefragmin != telefragmax)
39                         {
40                                 if(deathmin_x > telefragmin_x) deathmin_x = telefragmin_x;
41                                 if(deathmin_y > telefragmin_y) deathmin_y = telefragmin_y;
42                                 if(deathmin_z > telefragmin_z) deathmin_z = telefragmin_z;
43                                 if(deathmax_x < telefragmax_x) deathmax_x = telefragmax_x;
44                                 if(deathmax_y < telefragmax_y) deathmax_y = telefragmax_y;
45                                 if(deathmax_z < telefragmax_z) deathmax_z = telefragmax_z;
46                         }
47                         deathradius = max(vlen(deathmin), vlen(deathmax));
48                         for(head = findradius(player.origin, deathradius); head; head = head.chain)
49                                 if(head != player)
50                                         if(head.takedamage)
51                                                 if(boxesoverlap(deathmin, deathmax, head.absmin, head.absmax))
52                                                 {
53                                                         if ((player.classname == "player") && (player.health >= 1))
54                                                                 Damage (head, teleporter, telefragger, 10000, DEATH_TELEFRAG, head.origin, '0 0 0');
55                                                         else if (telefragger.health < 1) // corpses gib
56                                                                 Damage (head, teleporter, telefragger, 10000, DEATH_TELEFRAG, head.origin, '0 0 0');
57                                                         else // dead bodies and monsters gib themselves instead of telefragging
58                                                                 Damage (telefragger, teleporter, telefragger, 10000, DEATH_TELEFRAG, telefragger.origin, '0 0 0');
59                                                 }
60                 }
61
62                 // hide myself a tic
63                 player.effects = player.effects | EF_NODRAW;
64                 if (player.weaponentity) // misuse FL_FLY to avoid EF_NODRAW on viewmodel
65                         player.weaponentity.flags = player.weaponentity.flags | FL_FLY;
66                 player.teleport_time = time + cvar("sys_ticrate");
67
68                 // player no longer is on ground
69                 player.flags = player.flags - (player.flags & FL_ONGROUND);
70
71                 // reset tracking of oldvelocity for impact damage (sudden velocity changes)
72                 player.oldvelocity = player.velocity;
73
74                 // reset tracking of who pushed you into a hazard (for kill credit)
75                 if(teleporter.owner)
76                 {
77                         player.pusher = teleporter.owner;
78                         player.pushltime = time + cvar("g_maxpushtime");
79                 }
80                 else
81                 {
82                         player.pushltime = 0;
83                 }
84
85                 // stop player name display
86                 {
87                         oldself = self;
88                         self = player;
89                         ClearSelectedPlayer();
90                         self = oldself;
91                 }
92         }
93 }
94
95 void Teleport_Touch (void)
96 {
97         entity oldself;
98
99         if (other.health < 1)
100                 return;
101         if (!other.flags & FL_CLIENT)   // FIXME: Make missiles firable through the teleport too
102                 return;
103
104         EXACTTRIGGER_TOUCH;
105
106         makevectors(self.enemy.mangle);
107         TeleportPlayer(self, other, self.enemy.origin + '0 0 1' * (1 - other.mins_z - 24), self.enemy.mangle, v_forward * vlen(other.velocity), '0 0 0', '0 0 0');
108
109         if(self.enemy.target)
110         {
111                 oldself = self;
112                 activator = other;
113                 self = self.enemy;
114                 SUB_UseTargets();
115                 self = oldself;
116         }
117 }
118
119 void spawnfunc_info_teleport_destination (void)
120 {
121         self.mangle = self.angles;
122         self.angles = '0 0 0';
123
124         //setorigin (self, self.origin + '0 0 27');     // To fix a mappers' habit as old as Quake
125         setorigin (self, self.origin);
126
127         IFTARGETED
128         {
129         }
130         else
131                 objerror ("Teleport destination without a targetname");
132 }
133
134 void spawnfunc_misc_teleporter_dest (void)
135 {
136         spawnfunc_info_teleport_destination();
137 }
138
139 void spawnfunc_target_teleporter (void)
140 {
141         spawnfunc_info_teleport_destination();
142 }
143
144 void teleport_findtarget (void)
145 {
146         // now enable touch
147         self.touch = Teleport_Touch;
148
149         self.enemy = find (world, targetname, self.target);
150         if (!self.enemy)
151         {
152                 objerror ("Teleporter with nonexistant target");
153                 return;
154         }
155
156         self.dest = self.enemy.origin;
157         waypoint_spawnforteleporter(self, self.dest, 0);
158 }
159
160 void spawnfunc_trigger_teleport (void)
161 {
162         self.angles = '0 0 0';
163
164         EXACTTRIGGER_INIT;
165
166         // this must be called to spawn the teleport waypoints for bots
167         InitializeEntity(self, teleport_findtarget, INITPRIO_FINDTARGET);
168
169         if (!self.target)
170         {
171                 objerror ("Teleporter with no target");
172                 return;
173         }
174 }