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