data/qcsrc/server/waypointsprites.qc

   1 float waypointsprite_normdistance;
   2 float waypointsprite_minscale;
   3 float waypointsprite_fadedistance;
   4 float waypointsprite_minalpha;
   5 float waypointsprite_distancealphaexponent;
   6 float waypointsprite_timealphaexponent;
   7 float waypointsprite_deployed_lifetime;
   8 float waypointsprite_deadlifetime;
   9 float waypointsprite_limitedrange;
  10
  11 ..entity owned_by_field;
  12 .float(entity) waypointsprite_for_player; // returns a model index or 0 for hide
  13 float waypointsprite_for_player_default(entity e)
  14 {
  15         // personal waypoints
  16         if(self.enemy)
  17                 if(self.enemy != other)
  18                         return FALSE;
  19
  20         // team waypoints
  21         if(self.team)
  22         {
  23                 if(self.team != other.team)
  24                         return FALSE;
  25                 if(other.classname != "player")
  26                         return FALSE;
  27         }
  28
  29         // fixed waypoints
  30         if(self.currentammo) // hidable?
  31                 if(other.cvar_cl_hidewaypoints) // wants to hide;
  32                         return FALSE;
  33
  34         // otherwise, accept the model
  35         return self.modelindex;
  36 }
  37
  38 void WaypointSprite_Init()
  39 {
  40         waypointsprite_fadedistance = vlen(world.maxs - world.mins);
  41         waypointsprite_normdistance = cvar("g_waypointsprite_normdistance");
  42         waypointsprite_minscale = cvar("g_waypointsprite_minscale");
  43         waypointsprite_minalpha = cvar("g_waypointsprite_minalpha");
  44         waypointsprite_distancealphaexponent = cvar("g_waypointsprite_distancealphaexponent");
  45         waypointsprite_timealphaexponent = cvar("g_waypointsprite_timealphaexponent");
  46         waypointsprite_deployed_lifetime = cvar("g_waypointsprite_deployed_lifetime");
  47         waypointsprite_deadlifetime = cvar("g_waypointsprite_deadlifetime");
  48         waypointsprite_limitedrange = cvar("g_waypointsprite_limitedrange");
  49
  50         precache_model("models/sprites/bluebase.sp2");
  51         precache_model("models/sprites/flagcarrier.sp2");
  52         precache_model("models/sprites/here.sp2");
  53         precache_model("models/sprites/helpme.sp2");
  54         precache_model("models/sprites/redbase.sp2");
  55         precache_model("models/sprites/waypoint.sp2");
  56         precache_model("models/sprites/danger.sp2");
  57 }
  58
  59 void WaypointSprite_InitClient(entity e)
  60 {
  61         stuffcmd(e, "\nalias \"g_waypointsprite_personal\" \"impulse 30\"\n alias \"g_waypointsprite_personal_p\" \"impulse 31\"\n alias \"g_waypointsprite_personal_d\" \"impulse 32\"\n alias \"g_waypointsprite_team_helpme\" \"impulse 33\"\n alias \"g_waypointsprite_team_here\" \"impulse 34\"\n alias \"g_waypointsprite_team_here_p\" \"impulse 35\"\n alias \"g_waypointsprite_team_here_d\" \"impulse 36\"\n alias \"g_waypointsprite_team_danger\" \"impulse 37\"\n alias \"g_waypointsprite_team_danger_p\" \"impulse 38\"\n alias \"g_waypointsprite_team_danger_d\" \"impulse 39\"\n alias \"g_waypointsprite_clear_personal\" \"impulse 47\"\n alias \"g_waypointsprite_clear\" \"impulse 48\"\n alias \"g_waypointsprite_toggle\" \"impulse 49\"\n");
  62 }
  63
  64 void WaypointSprite_Kill(entity wp)
  65 {
  66         if(!wp)
  67                 return;
  68         if(wp.owner)
  69                 wp.owner.(wp.owned_by_field) = world;
  70         remove(wp);
  71 }
  72
  73 void WaypointSprite_Disown(entity wp, float fadetime)
  74 {
  75         if(!wp)
  76                 return;
  77         if(wp.owner)
  78         {
  79                 if(wp.exteriormodeltoclient == wp.owner)
  80                 {
  81                         setattachment(wp, world, "");
  82 #ifdef ATTACHMENT_WORKS_WITH_EF_NODEPTHTEST
  83                         setorigin(wp, wp.origin + wp.exteriormodeltoclient.origin);
  84 #else
  85                         setorigin(wp, wp.view_ofs + wp.exteriormodeltoclient.origin);
  86 #endif
  87                         wp.exteriormodeltoclient = world;
  88                 }
  89                 wp.owner.(wp.owned_by_field) = world;
  90                 wp.owner = world;
  91
  92                 if(!wp.health)
  93                 {
  94                         wp.health = fadetime;
  95                         wp.teleport_time = time + fadetime;
  96                 }
  97                 else if(fadetime < (wp.teleport_time - time))
  98                 {
  99                         // accelerate the waypoint's dying
 100                         // ensure:
 101                         //   (wp.teleport_time - time) / wp.health stays
 102                         //   wp.teleport_time = time + fadetime
 103                         float current_fadetime;
 104                         current_fadetime = wp.teleport_time - time;
 105                         wp.teleport_time = time + fadetime;
 106                         wp.health = wp.health * fadetime / current_fadetime;
 107                 }
 108         }
 109 }
 110
 111 void WaypointSprite_Think()
 112 {
 113         float doremove;
 114
 115         doremove = FALSE;
 116
 117         if(self.health)
 118                 if(time >= self.teleport_time)
 119                         doremove = TRUE;
 120
 121         if(doremove)
 122                 WaypointSprite_Kill(self);
 123         else
 124                 self.nextthink = time;
 125 }
 126
 127 float WaypointSprite_CustomizeEntityForClient()
 128 {
 129         vector realorigin, porigin;
 130         float distancealpha, timealpha;
 131         float distance;
 132         float newmodel;
 133
 134         if(self.health)
 135         {
 136                 timealpha = bound(0, (self.teleport_time - time) / self.health, 1);
 137                 if(timealpha == 0)
 138                         return FALSE;
 139                 timealpha = pow(timealpha, waypointsprite_timealphaexponent);
 140         }
 141         else
 142                 timealpha = 1;
 143
 144         // customize WP
 145         newmodel = self.waypointsprite_for_player(other);
 146         if(newmodel == 0)
 147                 return FALSE;
 148         self.modelindex = newmodel;
 149
 150         porigin = other.origin + other.view_ofs_z * '0 0 1';
 151
 152 #ifdef ATTACHMENT_WORKS_WITH_EF_NODEPTHTEST
 153         realorigin = self.exteriormodeltoclient.origin + self.origin;
 154 #else
 155         if(self.exteriormodeltoclient)
 156         {
 157                 if(self.exteriormodeltoclient == other)
 158                 {
 159                         setattachment(self, other, "");
 160                         setorigin(self, self.view_ofs);
 161                         realorigin = other.origin + self.origin;
 162                 }
 163                 else
 164                 {
 165                         setattachment(self, world, "");
 166                         setorigin(self, self.exteriormodeltoclient.origin + self.view_ofs);
 167                         realorigin = self.origin;
 168                 }
 169         }
 170         else
 171                 realorigin = self.origin;
 172 #endif
 173
 174         distance = vlen(realorigin - porigin);
 175
 176         if(self.max_health)
 177                 if(distance >= self.max_health)
 178                         return FALSE;
 179
 180         self.scale = max(1, distance / waypointsprite_normdistance) * waypointsprite_minscale;
 181
 182         if(self.max_health > waypointsprite_normdistance)
 183         {
 184                 // alpha 1 at normdistance, alpha 0 at maxdistance
 185                 distancealpha = bound(0, (self.max_health - distance) / (self.max_health - waypointsprite_normdistance), 1);
 186                 distancealpha = pow(distancealpha, waypointsprite_distancealphaexponent);
 187         }
 188         else if(self.max_health)
 189         {
 190                 // alpha 1 if visible
 191                 distancealpha = 1;
 192         }
 193         else
 194         {
 195                 // alpha 1 at normdistance, alpha minalpha at fadedistance
 196                 distancealpha = bound(0, (waypointsprite_fadedistance - distance) / (waypointsprite_fadedistance - waypointsprite_normdistance), 1);
 197                 distancealpha = pow(distancealpha, waypointsprite_distancealphaexponent);
 198                 distancealpha = distancealpha * (1 - waypointsprite_minalpha) + waypointsprite_minalpha;
 199         }
 200
 201         self.alpha = timealpha * distancealpha;
 202
 203         return TRUE;
 204 }
 205
 206 entity WaypointSprite_Spawn(
 207         string spr, // sprite
 208         float lifetime, float maxdistance, // lifetime, max distance
 209         entity ref, vector ofs, // position
 210         entity showto, float t, // show to whom? Use a flag to indicate a team
 211         entity own, .entity ownfield, // remove when own gets killed
 212         float hideable // true when it should be controlled by cl_hidewaypoints
 213 )
 214 {
 215         entity wp;
 216         wp = spawn();
 217         wp.classname = "sprite_waypoint";
 218         wp.teleport_time = time + lifetime;
 219         wp.health = lifetime;
 220         wp.exteriormodeltoclient = ref;
 221         if(ref)
 222         {
 223 #ifdef ATTACHMENT_WORKS_WITH_EF_NODEPTHTEST
 224                 setattachment(wp, ref, "");
 225                 setorigin(wp, ofs);
 226 #else
 227                 wp.view_ofs = ofs;
 228 #endif
 229         }
 230         else
 231                 setorigin(wp, ofs);
 232         wp.enemy = showto;
 233         wp.team = t;
 234         wp.owner = own;
 235         wp.currentammo = hideable;
 236         if(own)
 237         {
 238                 if(own.ownfield)
 239                         remove(own.ownfield);
 240                 own.ownfield = wp;
 241                 wp.owned_by_field = ownfield;
 242         }
 243         wp.max_health = maxdistance;
 244         wp.customizeentityforclient = WaypointSprite_CustomizeEntityForClient;
 245         wp.think = WaypointSprite_Think;
 246         wp.nextthink = time;
 247         wp.effects = EF_NODEPTHTEST | EF_LOWPRECISION;
 248         if(spr != "")
 249                 setmodel(wp, strcat("models/sprites/", spr, ".sp2")); // precision set above
 250         else
 251                 wp.model = "waypoint";
 252         setsize(wp, '0 0 0', '0 0 0');
 253         wp.waypointsprite_for_player = waypointsprite_for_player_default;
 254         return wp;
 255 }
 256
 257 entity WaypointSprite_SpawnFixed(
 258         string spr,
 259         vector ofs
 260 )
 261 {
 262         return WaypointSprite_Spawn(spr, 0, 0, world, ofs, world, 0, world, enemy, TRUE);
 263 }
 264
 265 .entity waypointsprite_deployed_fixed;
 266 entity WaypointSprite_DeployFixed(
 267         string spr,
 268         float limited_range,
 269         vector ofs
 270 )
 271 {
 272         float t, maxdistance;
 273         if(teams_matter)
 274                 t = self.team;
 275         else
 276                 t = 0;
 277         if(limited_range)
 278                 maxdistance = waypointsprite_limitedrange;
 279         else
 280                 maxdistance = 0;
 281         return WaypointSprite_Spawn(spr, waypointsprite_deployed_lifetime, maxdistance, world, ofs, world, t, self, waypointsprite_deployed_fixed, FALSE);
 282 }
 283
 284 .entity waypointsprite_deployed_personal;
 285 entity WaypointSprite_DeployPersonal(
 286         string spr,
 287         vector ofs
 288 )
 289 {
 290         return WaypointSprite_Spawn(spr, 0, 0, world, ofs, self, 0, self, waypointsprite_deployed_personal, FALSE);
 291 }
 292
 293 .entity waypointsprite_attached;
 294 .entity waypointsprite_attachedforcarrier;
 295 entity WaypointSprite_Attach(
 296         string spr,
 297         float limited_range
 298 )
 299 {
 300         float t, maxdistance;
 301         if(self.waypointsprite_attachedforcarrier)
 302                 return world; // can't attach to FC
 303         if(teams_matter)
 304                 t = self.team;
 305         else
 306                 t = 0;
 307         if(limited_range)
 308                 maxdistance = waypointsprite_limitedrange;
 309         else
 310                 maxdistance = 0;
 311         return WaypointSprite_Spawn(spr, waypointsprite_deployed_lifetime, maxdistance, self, '0 0 64', world, t, self, waypointsprite_attached, FALSE);
 312 }
 313
 314 entity WaypointSprite_AttachCarrier(
 315         string spr,
 316         entity carrier
 317 )
 318 {
 319         WaypointSprite_Kill(carrier.waypointsprite_attached); // FC overrides attached
 320         return WaypointSprite_Spawn(spr, 0, 0, carrier, '0 0 64', world, carrier.team, carrier, waypointsprite_attachedforcarrier, FALSE);
 321 }
 322
 323 void WaypointSprite_DetachCarrier(entity carrier)
 324 {
 325         WaypointSprite_Disown(carrier.waypointsprite_attachedforcarrier, waypointsprite_deadlifetime);
 326 }
 327
 328 void WaypointSprite_ClearPersonal()
 329 {
 330         WaypointSprite_Kill(self.waypointsprite_deployed_personal);
 331 }
 332
 333 void WaypointSprite_ClearOwned()
 334 {
 335         WaypointSprite_Kill(self.waypointsprite_deployed_fixed);
 336         WaypointSprite_Kill(self.waypointsprite_deployed_personal);
 337         WaypointSprite_Kill(self.waypointsprite_attached);
 338 }
 339
 340 void WaypointSprite_PlayerDead()
 341 {
 342         WaypointSprite_Disown(self.waypointsprite_attached, waypointsprite_deadlifetime);
 343         WaypointSprite_DetachCarrier(self);
 344 }
 345
 346 void WaypointSprite_PlayerGone()
 347 {
 348         WaypointSprite_Disown(self.waypointsprite_deployed_fixed, waypointsprite_deadlifetime);
 349         WaypointSprite_Kill(self.waypointsprite_deployed_personal);
 350         WaypointSprite_Disown(self.waypointsprite_attached, waypointsprite_deadlifetime);
 351         WaypointSprite_DetachCarrier(self);
 352 }