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 #ifdef ATTACHMENT_WORKS_WITH_EF_NODEPTHTEST
  58                         setorigin(wp, wp.origin + wp.exteriormodeltoclient.origin);
  59 #else
  60                         setorigin(wp, wp.view_ofs + wp.exteriormodeltoclient.origin);
  61 #endif
  62                         wp.exteriormodeltoclient = world;
  63                 }
  64                 wp.owner.(wp.owned_by_field) = world;
  65                 wp.owner = world;
  66
  67                 if(!wp.health)
  68                 {
  69                         wp.health = fadetime;
  70                         wp.teleport_time = time + fadetime;
  71                 }
  72                 else if(fadetime < (wp.teleport_time - time))
  73                 {
  74                         // accelerate the waypoint's dying
  75                         // ensure:
  76                         //   (wp.teleport_time - time) / wp.health stays
  77                         //   wp.teleport_time = time + fadetime
  78                         float current_fadetime;
  79                         current_fadetime = wp.teleport_time - time;
  80                         wp.teleport_time = time + fadetime;
  81                         wp.health = wp.health * fadetime / current_fadetime;
  82                 }
  83         }
  84 }
  85
  86 void WaypointSprite_Think()
  87 {
  88         float doremove;
  89
  90         doremove = FALSE;
  91
  92         if(self.health)
  93                 if(time >= self.teleport_time)
  94                         doremove = TRUE;
  95
  96         if(doremove)
  97                 WaypointSprite_Kill(self);
  98         else
  99                 self.nextthink = time;
 100 }
 101
 102 float WaypointSprite_CustomizeEntityForClient()
 103 {
 104         vector realorigin, porigin;
 105         float distancealpha, timealpha;
 106         float distance;
 107
 108         if(self.health)
 109         {
 110                 timealpha = bound(0, (self.teleport_time - time) / self.health, 1);
 111                 if(timealpha == 0)
 112                         return FALSE;
 113                 timealpha = pow(timealpha, waypointsprite_timealphaexponent);
 114         }
 115         else
 116                 timealpha = 1;
 117
 118         if(self.enemy)
 119                 if(self.enemy != other)
 120                         return FALSE;
 121         if(self.team)
 122         {
 123                 if(self.team != other.team)
 124                         return FALSE;
 125                 if(other.classname != "player")
 126                         return FALSE;
 127         }
 128
 129         if(self.currentammo) // hidable?
 130                 if(other.cvar_cl_hidewaypoints) // wants to hide;
 131                         return FALSE;
 132
 133         porigin = other.origin + other.view_ofs_z * '0 0 1';
 134
 135 #ifdef ATTACHMENT_WORKS_WITH_EF_NODEPTHTEST
 136         realorigin = self.exteriormodeltoclient.origin + self.origin;
 137 #else
 138         if(self.exteriormodeltoclient)
 139         {
 140                 if(self.exteriormodeltoclient == other)
 141                 {
 142                         setattachment(self, other, "");
 143                         setorigin(self, self.view_ofs);
 144                         realorigin = other.origin + self.origin;
 145                 }
 146                 else
 147                 {
 148                         setattachment(self, world, "");
 149                         setorigin(self, self.exteriormodeltoclient.origin + self.view_ofs);
 150                         realorigin = self.origin;
 151                 }
 152         }
 153         else
 154                 realorigin = self.origin;
 155 #endif
 156
 157         distance = vlen(realorigin - porigin);
 158
 159         if(self.max_health)
 160                 if(distance >= self.max_health)
 161                         return FALSE;
 162
 163         self.scale = max(1, distance / waypointsprite_normdistance) * waypointsprite_minscale;
 164
 165         if(self.max_health > waypointsprite_normdistance)
 166         {
 167                 // alpha 1 at normdistance, alpha 0 at maxdistance
 168                 distancealpha = bound(0, (self.max_health - distance) / (self.max_health - waypointsprite_normdistance), 1);
 169                 distancealpha = pow(distancealpha, waypointsprite_distancealphaexponent);
 170         }
 171         else if(self.max_health)
 172         {
 173                 // alpha 1 if visible
 174                 distancealpha = 1;
 175         }
 176         else
 177         {
 178                 // alpha 1 at normdistance, alpha minalpha at fadedistance
 179                 distancealpha = bound(0, (waypointsprite_fadedistance - distance) / (waypointsprite_fadedistance - waypointsprite_normdistance), 1);
 180                 distancealpha = pow(distancealpha, waypointsprite_distancealphaexponent);
 181                 distancealpha = distancealpha * (1 - waypointsprite_minalpha) + waypointsprite_minalpha;
 182         }
 183
 184         self.alpha = timealpha * distancealpha;
 185
 186         return TRUE;
 187 }
 188
 189 entity WaypointSprite_Spawn(
 190         string spr, // sprite
 191         float lifetime, float maxdistance, // lifetime, max distance
 192         entity ref, vector ofs, // position
 193         entity showto, float t, // show to whom? Use a flag to indicate a team
 194         entity own, .entity ownfield, // remove when own gets killed
 195         float hideable // true when it should be controlled by cl_hidewaypoints
 196 )
 197 {
 198         entity wp;
 199         wp = spawn();
 200         wp.classname = "sprite_waypoint";
 201         wp.teleport_time = time + lifetime;
 202         wp.health = lifetime;
 203         wp.exteriormodeltoclient = ref;
 204         if(ref)
 205         {
 206 #ifdef ATTACHMENT_WORKS_WITH_EF_NODEPTHTEST
 207                 setattachment(wp, ref, "");
 208                 setorigin(wp, ofs);
 209 #else
 210                 wp.view_ofs = ofs;
 211 #endif
 212         }
 213         else
 214                 setorigin(wp, ofs);
 215         wp.enemy = showto;
 216         wp.team = t;
 217         wp.owner = own;
 218         wp.currentammo = hideable;
 219         if(own)
 220         {
 221                 if(own.ownfield)
 222                         remove(own.ownfield);
 223                 own.ownfield = wp;
 224                 wp.owned_by_field = ownfield;
 225         }
 226         wp.max_health = maxdistance;
 227         wp.customizeentityforclient = WaypointSprite_CustomizeEntityForClient;
 228         wp.think = WaypointSprite_Think;
 229         wp.nextthink = time;
 230         wp.effects = EF_NODEPTHTEST;
 231         setmodel(wp, strcat("models/sprites/", spr, ".sp2"));
 232         return wp;
 233 }
 234
 235 entity WaypointSprite_SpawnFixed(
 236         string spr,
 237         vector ofs
 238 )
 239 {
 240         return WaypointSprite_Spawn(spr, 0, 0, world, ofs, world, 0, world, enemy, TRUE);
 241 }
 242
 243 .entity waypointsprite_deployed_fixed;
 244 entity WaypointSprite_DeployFixed(
 245         string spr,
 246         float limited_range,
 247         vector ofs
 248 )
 249 {
 250         float t, maxdistance;
 251         if(teams_matter)
 252                 t = self.team;
 253         else
 254                 t = 0;
 255         if(limited_range)
 256                 maxdistance = waypointsprite_limitedrange;
 257         else
 258                 maxdistance = 0;
 259         return WaypointSprite_Spawn(spr, waypointsprite_deployed_lifetime, maxdistance, world, ofs, world, t, self, waypointsprite_deployed_fixed, FALSE);
 260 }
 261
 262 .entity waypointsprite_deployed_personal;
 263 entity WaypointSprite_DeployPersonal(
 264         string spr,
 265         vector ofs
 266 )
 267 {
 268         return WaypointSprite_Spawn(spr, 0, 0, world, ofs, self, 0, self, waypointsprite_deployed_personal, FALSE);
 269 }
 270
 271 .entity waypointsprite_attached;
 272 .entity waypointsprite_attachedforcarrier;
 273 entity WaypointSprite_Attach(
 274         string spr,
 275         float limited_range
 276 )
 277 {
 278         float t, maxdistance;
 279         if(self.waypointsprite_attachedforcarrier)
 280                 return world; // can't attach to FC
 281         if(teams_matter)
 282                 t = self.team;
 283         else
 284                 t = 0;
 285         if(limited_range)
 286                 maxdistance = waypointsprite_limitedrange;
 287         else
 288                 maxdistance = 0;
 289         return WaypointSprite_Spawn(spr, waypointsprite_deployed_lifetime, maxdistance, self, '0 0 64', world, t, self, waypointsprite_attached, FALSE);
 290 }
 291
 292 entity WaypointSprite_AttachCarrier(
 293         string spr,
 294         entity carrier
 295 )
 296 {
 297         WaypointSprite_Kill(carrier.waypointsprite_attached); // FC overrides attached
 298         return WaypointSprite_Spawn(spr, 0, 0, carrier, '0 0 64', world, carrier.team, carrier, waypointsprite_attachedforcarrier, FALSE);
 299 }
 300
 301 void WaypointSprite_DetachCarrier(entity carrier)
 302 {
 303         WaypointSprite_Disown(carrier.waypointsprite_attachedforcarrier, waypointsprite_deadlifetime);
 304 }
 305
 306 void WaypointSprite_ClearPersonal()
 307 {
 308         WaypointSprite_Kill(self.waypointsprite_deployed_personal);
 309 }
 310
 311 void WaypointSprite_ClearOwned()
 312 {
 313         WaypointSprite_Kill(self.waypointsprite_deployed_fixed);
 314         WaypointSprite_Kill(self.waypointsprite_deployed_personal);
 315         WaypointSprite_Kill(self.waypointsprite_attached);
 316 }
 317
 318 void WaypointSprite_PlayerDead()
 319 {
 320         WaypointSprite_Disown(self.waypointsprite_attached, waypointsprite_deadlifetime);
 321         WaypointSprite_DetachCarrier(self);
 322 }
 323
 324 void WaypointSprite_PlayerGone()
 325 {
 326         WaypointSprite_Disown(self.waypointsprite_deployed_fixed, waypointsprite_deadlifetime);
 327         WaypointSprite_Kill(self.waypointsprite_deployed_personal);
 328         WaypointSprite_Disown(self.waypointsprite_attached, waypointsprite_deadlifetime);
 329         WaypointSprite_DetachCarrier(self);
 330 }