qcsrc/server/func_breakable.qc

   1 .entity sprite;
   2
   3 .float dmg;
   4 .float dmg_edge;
   5 .float dmg_radius;
   6 .float dmg_force;
   7 .float debrismovetype;
   8 .float debrissolid;
   9 .vector debrisvelocity;
  10 .vector debrisvelocityjitter;
  11 .vector debrisavelocityjitter;
  12 .float debristime;
  13 .float debristimejitter;
  14 .float debrisfadetime;
  15 .float debrisdamageforcescale;
  16 .float debrisskin;
  17
  18 .string mdl_dead; // or "" to hide when broken
  19 .string debris; // space separated list of debris models
  20 // other fields:
  21 //   mdl = particle effect name
  22 //   count = particle effect multiplier
  23 //   targetname = target to trigger to unbreak the model
  24 //   target = targets to trigger when broken
  25 //   health = amount of damage it can take
  26 //   spawnflags:
  27 //     1 = start disabled (needs to be triggered to activate)
  28 //     2 = indicate damage
  29 // notes:
  30 //   for mdl_dead to work, origin must be set (using a common/origin brush).
  31 //   Otherwise mdl_dead will be displayed at the map origin, and nobody would
  32 //   want that!
  33
  34 void func_breakable_damage(entity inflictor, entity attacker, float damage, float deathtype, vector hitloc, vector force);
  35
  36 //
  37 // func_breakable
  38 // - basically func_assault_destructible for general gameplay use
  39 //
  40 void LaunchDebris (string debrisname, vector force)
  41 {
  42         local   entity dbr;
  43
  44         dbr = spawn();
  45         setorigin(dbr, self.absmin
  46                    + '1 0 0' * random() * (self.absmax_x - self.absmin_x)
  47                    + '0 1 0' * random() * (self.absmax_y - self.absmin_y)
  48                    + '0 0 1' * random() * (self.absmax_z - self.absmin_z));
  49         setmodel (dbr, debrisname );
  50         dbr.skin = self.debrisskin;
  51         dbr.colormap = self.colormap; // inherit team colors
  52         dbr.owner = self; // do not be affected by our own explosion
  53         dbr.movetype = self.debrismovetype;
  54         dbr.solid = self.debrissolid;
  55         if(dbr.solid != SOLID_BSP) // SOLID_BSP has exact collision, MAYBE this works? TODO check this out
  56                 setsize(dbr, '0 0 0', '0 0 0'); // needed for performance, until engine can deal better with it
  57         dbr.velocity_x = self.debrisvelocity_x + self.debrisvelocityjitter_x * crandom();
  58         dbr.velocity_y = self.debrisvelocity_y + self.debrisvelocityjitter_y * crandom();
  59         dbr.velocity_z = self.debrisvelocity_z + self.debrisvelocityjitter_z * crandom();
  60         self.velocity = self.velocity + force * self.debrisdamageforcescale;
  61         dbr.avelocity_x = random()*self.debrisavelocityjitter_x;
  62         dbr.avelocity_y = random()*self.debrisavelocityjitter_y;
  63         dbr.avelocity_z = random()*self.debrisavelocityjitter_z;
  64         dbr.damageforcescale = self.debrisdamageforcescale;
  65         if(dbr.damageforcescale)
  66                 dbr.takedamage = DAMAGE_YES;
  67         SUB_SetFade(dbr, time + self.debristime + crandom() * self.debristimejitter, self.debrisfadetime);
  68 }
  69
  70 void func_breakable_colormod()
  71 {
  72         float h;
  73         if (!(self.spawnflags & 2))
  74                 return;
  75         h = self.health / self.max_health;
  76         if(h < 0.25)
  77                 self.colormod = '1 0 0';
  78         else if(h <= 0.75)
  79                 self.colormod = '1 0 0' + '0 1 0' * (2 * h - 0.5);
  80         else
  81                 self.colormod = '1 1 1';
  82
  83         CSQCMODEL_AUTOUPDATE();
  84 }
  85
  86 void func_breakable_look_destroyed()
  87 {
  88         float floor_z;
  89
  90         if(self.solid == SOLID_BSP) // in case a misc_follow moved me, save the current origin first
  91                 self.dropped_origin = self.origin;
  92
  93         if(self.mdl_dead == "")
  94                 self.model = "";
  95         else {
  96                 if (self.origin == '0 0 0')     {       // probably no origin brush, so don't spawn in the middle of the map..
  97                         floor_z = self.absmin_z;
  98                         setorigin(self,((self.absmax+self.absmin)*.5));
  99                         self.origin_z = floor_z;
 100                 }
 101                 setmodel(self, self.mdl_dead);
 102         }
 103
 104         self.solid = SOLID_NOT;
 105 }
 106
 107 void func_breakable_look_restore()
 108 {
 109         setmodel(self, self.mdl);
 110         if(self.mdl_dead != "") // only do this if we use mdl_dead, to behave better with misc_follow
 111                 setorigin(self, self.dropped_origin);
 112         self.solid = SOLID_BSP;
 113 }
 114
 115 void func_breakable_behave_destroyed()
 116 {
 117         self.health = self.max_health;
 118         self.takedamage = DAMAGE_NO;
 119         self.bot_attack = FALSE;
 120         self.event_damage = func_null;
 121         self.state = 1;
 122         func_breakable_colormod();
 123 }
 124
 125 void func_breakable_behave_restore()
 126 {
 127         self.health = self.max_health;
 128         if(self.sprite)
 129         {
 130                 WaypointSprite_UpdateMaxHealth(self.sprite, self.max_health);
 131                 WaypointSprite_UpdateHealth(self.sprite, self.health);
 132         }
 133         self.takedamage = DAMAGE_AIM;
 134         self.bot_attack = TRUE;
 135         self.event_damage = func_breakable_damage;
 136         self.state = 0;
 137         self.nextthink = 0; // cancel auto respawn
 138         func_breakable_colormod();
 139 }
 140
 141 void func_breakable_destroyed()
 142 {
 143         func_breakable_look_destroyed();
 144         func_breakable_behave_destroyed();
 145
 146         CSQCMODEL_AUTOUPDATE();
 147 }
 148
 149 void func_breakable_restore()
 150 {
 151         func_breakable_look_restore();
 152         func_breakable_behave_restore();
 153
 154         CSQCMODEL_AUTOUPDATE();
 155 }
 156
 157 vector debrisforce; // global, set before calling this
 158 void func_breakable_destroy() {
 159         float n, i;
 160         string oldmsg;
 161
 162         activator = self.owner;
 163         self.owner = world; // set by W_PrepareExplosionByDamage
 164
 165         // now throw around the debris
 166         n = tokenize_console(self.debris);
 167         for(i = 0; i < n; ++i)
 168                 LaunchDebris(argv(i), debrisforce);
 169
 170         func_breakable_destroyed();
 171
 172         if(self.noise)
 173                 sound (self, CH_TRIGGER, self.noise, VOL_BASE, ATTEN_NORM);
 174
 175         if(self.dmg)
 176                 RadiusDamage(self, activator, self.dmg, self.dmg_edge, self.dmg_radius, self, world, self.dmg_force, DEATH_HURTTRIGGER, world);
 177
 178         if(self.cnt)
 179                 pointparticles(self.cnt, self.absmin * 0.5 + self.absmax * 0.5, '0 0 0', self.count);
 180
 181         if(self.respawntime)
 182         {
 183                 self.think = func_breakable_restore;
 184                 self.nextthink = time + self.respawntime + crandom() * self.respawntimejitter;
 185         }
 186
 187         oldmsg = self.message;
 188         self.message = "";
 189         SUB_UseTargets();
 190         self.message = oldmsg;
 191 }
 192
 193 void func_breakable_damage(entity inflictor, entity attacker, float damage, float deathtype, vector hitloc, vector force)
 194 {
 195         if(self.state == 1)
 196                 return;
 197         if(self.spawnflags & DOOR_NOSPLASH)
 198                 if(!(DEATH_ISSPECIAL(deathtype)) && (deathtype & HITTYPE_SPLASH))
 199                         return;
 200         if(self.team)
 201                 if(attacker.team == self.team)
 202                         return;
 203         self.health = self.health - damage;
 204         if(self.sprite)
 205         {
 206                 WaypointSprite_Ping(self.sprite);
 207                 WaypointSprite_UpdateHealth(self.sprite, self.health);
 208         }
 209         func_breakable_colormod();
 210
 211         if(self.health <= 0)
 212         {
 213                 debrisforce = force;
 214                 W_PrepareExplosionByDamage(attacker, func_breakable_destroy);
 215         }
 216 }
 217
 218 void func_breakable_reset()
 219 {
 220         self.team = self.team_saved;
 221         func_breakable_look_restore();
 222         if(self.spawnflags & 1)
 223                 func_breakable_behave_destroyed();
 224         else
 225                 func_breakable_behave_restore();
 226
 227         CSQCMODEL_AUTOUPDATE();
 228 }
 229
 230 // destructible walls that can be used to trigger target_objective_decrease
 231 void spawnfunc_func_breakable() {
 232         float n, i;
 233         if(!self.health)
 234                 self.health = 100;
 235         self.max_health = self.health;
 236
 237         // yes, I know, MOVETYPE_NONE is not available here, not that one would want it here anyway
 238         if(!self.debrismovetype) self.debrismovetype = MOVETYPE_BOUNCE;
 239         if(!self.debrissolid) self.debrissolid = SOLID_NOT;
 240         if(self.debrisvelocity == '0 0 0') self.debrisvelocity = '0 0 140';
 241         if(self.debrisvelocityjitter == '0 0 0') self.debrisvelocityjitter = '70 70 70';
 242         if(self.debrisavelocityjitter == '0 0 0') self.debrisavelocityjitter = '600 600 600';
 243         if(!self.debristime) self.debristime = 3.5;
 244         if(!self.debristimejitter) self.debristime = 2.5;
 245
 246         if(self.mdl != "")
 247                 self.cnt = particleeffectnum(self.mdl);
 248         if(self.count == 0)
 249                 self.count = 1;
 250
 251         if(self.message == "")
 252                 self.message = "got too close to an explosion";
 253         if(self.message2 == "")
 254                 self.message2 = "was pushed into an explosion by";
 255         if(!self.dmg_radius)
 256                 self.dmg_radius = 150;
 257         if(!self.dmg_force)
 258                 self.dmg_force = 200;
 259
 260         self.mdl = self.model;
 261         SetBrushEntityModel();
 262
 263         self.use = func_breakable_restore;
 264
 265         // precache all the models
 266         if (self.mdl_dead)
 267                 precache_model(self.mdl_dead);
 268         n = tokenize_console(self.debris);
 269         for(i = 0; i < n; ++i)
 270                 precache_model(argv(i));
 271         if(self.noise)
 272                 precache_sound(self.noise);
 273
 274         self.team_saved = self.team;
 275         self.dropped_origin = self.origin;
 276
 277         self.reset = func_breakable_reset;
 278         func_breakable_reset();
 279
 280         CSQCMODEL_AUTOINIT();
 281 }
 282
 283 // for use in maps with a "model" key set
 284 void spawnfunc_misc_breakablemodel() {
 285         spawnfunc_func_breakable();
 286 }