1.27 import

1 files changed, 635 insertions, 0 deletions

diff --git a/src/game/g_spawn.c b/src/game/g_spawn.c
new file mode 100644
index 00000000..c0e2a9be
--- /dev/null
+++ b/src/game/g_spawn.c
@@ -0,0 +1,635 @@
+// Copyright (C) 1999-2000 Id Software, Inc.
+//
+
+/*
+ *  Portions Copyright (C) 2000-2001 Tim Angus
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+/*  To assertain which portions are licensed under the GPL and which are
+ *  licensed by Id Software, Inc. please run a diff between the equivalent
+ *  versions of the "Tremulous" modification and the unmodified "Quake3"
+ *  game source code.
+ */
+                    
+#include "g_local.h"
+
+qboolean  G_SpawnString( const char *key, const char *defaultString, char **out ) {
+  int   i;
+
+  if ( !level.spawning ) {
+    *out = (char *)defaultString;
+//    G_Error( "G_SpawnString() called while not spawning" );
+  }
+
+  for ( i = 0 ; i < level.numSpawnVars ; i++ ) {
+    if ( !Q_stricmp( key, level.spawnVars[i][0] ) ) {
+      *out = level.spawnVars[i][1];
+      return qtrue;
+    }
+  }
+
+  *out = (char *)defaultString;
+  return qfalse;
+}
+
+qboolean  G_SpawnFloat( const char *key, const char *defaultString, float *out ) {
+  char    *s;
+  qboolean  present;
+
+  present = G_SpawnString( key, defaultString, &s );
+  *out = atof( s );
+  return present;
+}
+
+qboolean  G_SpawnInt( const char *key, const char *defaultString, int *out ) {
+  char    *s;
+  qboolean  present;
+
+  present = G_SpawnString( key, defaultString, &s );
+  *out = atoi( s );
+  return present;
+}
+
+qboolean  G_SpawnVector( const char *key, const char *defaultString, float *out ) {
+  char    *s;
+  qboolean  present;
+
+  present = G_SpawnString( key, defaultString, &s );
+  sscanf( s, "%f %f %f", &out[0], &out[1], &out[2] );
+  return present;
+}
+
+
+
+//
+// fields are needed for spawning from the entity string
+//
+typedef enum {
+  F_INT,
+  F_FLOAT,
+  F_LSTRING,      // string on disk, pointer in memory, TAG_LEVEL
+  F_GSTRING,      // string on disk, pointer in memory, TAG_GAME
+  F_VECTOR,
+  F_ANGLEHACK,
+  F_ENTITY,     // index on disk, pointer in memory
+  F_ITEM,       // index on disk, pointer in memory
+  F_CLIENT,     // index on disk, pointer in memory
+  F_IGNORE
+} fieldtype_t;
+
+typedef struct
+{
+  char  *name;
+  int   ofs;
+  fieldtype_t type;
+  int   flags;
+} field_t;
+
+field_t fields[] = {
+  {"classname", FOFS(classname), F_LSTRING},
+  {"origin", FOFS(s.origin), F_VECTOR},
+  {"model", FOFS(model), F_LSTRING},
+  {"model2", FOFS(model2), F_LSTRING},
+  {"spawnflags", FOFS(spawnflags), F_INT},
+  {"speed", FOFS(speed), F_FLOAT},
+  {"target", FOFS(target), F_LSTRING},
+  {"targetname", FOFS(targetname), F_LSTRING},
+  {"message", FOFS(message), F_LSTRING},
+  {"team", FOFS(team), F_LSTRING},
+  {"wait", FOFS(wait), F_FLOAT},
+  {"random", FOFS(random), F_FLOAT},
+  {"count", FOFS(count), F_INT},
+  {"health", FOFS(health), F_INT},
+  {"light", 0, F_IGNORE},
+  {"dmg", FOFS(damage), F_INT},
+  {"angles", FOFS(s.angles), F_VECTOR},
+  {"angle", FOFS(s.angles), F_ANGLEHACK},
+  {"targetShaderName", FOFS(targetShaderName), F_LSTRING},
+  {"targetShaderNewName", FOFS(targetShaderNewName), F_LSTRING},
+
+  {NULL}
+};
+
+
+typedef struct {
+  char  *name;
+  void  (*spawn)(gentity_t *ent);
+} spawn_t;
+
+void SP_info_player_start (gentity_t *ent);
+void SP_info_player_deathmatch (gentity_t *ent);
+void SP_info_player_intermission (gentity_t *ent);
+
+//TA: extra bits
+void SP_info_droid_intermission (gentity_t *ent);
+void SP_info_human_intermission (gentity_t *ent);
+
+void SP_info_firstplace(gentity_t *ent);
+void SP_info_secondplace(gentity_t *ent);
+void SP_info_thirdplace(gentity_t *ent);
+void SP_info_podium(gentity_t *ent);
+
+void SP_func_plat (gentity_t *ent);
+void SP_func_static (gentity_t *ent);
+void SP_func_rotating (gentity_t *ent);
+void SP_func_bobbing (gentity_t *ent);
+void SP_func_pendulum( gentity_t *ent );
+void SP_func_button (gentity_t *ent);
+void SP_func_door (gentity_t *ent);
+void SP_func_train (gentity_t *ent);
+void SP_func_timer (gentity_t *self);
+
+void SP_trigger_always (gentity_t *ent);
+void SP_trigger_multiple (gentity_t *ent);
+void SP_trigger_push (gentity_t *ent);
+void SP_trigger_teleport (gentity_t *ent);
+void SP_trigger_hurt (gentity_t *ent);
+
+void SP_target_remove_powerups( gentity_t *ent );
+void SP_target_give (gentity_t *ent);
+void SP_target_delay (gentity_t *ent);
+void SP_target_speaker (gentity_t *ent);
+void SP_target_print (gentity_t *ent);
+void SP_target_laser (gentity_t *self);
+void SP_target_character (gentity_t *ent);
+void SP_target_score( gentity_t *ent );
+void SP_target_teleporter( gentity_t *ent );
+void SP_target_relay (gentity_t *ent);
+void SP_target_kill (gentity_t *ent);
+void SP_target_position (gentity_t *ent);
+void SP_target_location (gentity_t *ent);
+void SP_target_push (gentity_t *ent);
+
+void SP_light (gentity_t *self);
+void SP_info_null (gentity_t *self);
+void SP_info_notnull (gentity_t *self);
+void SP_info_camp (gentity_t *self);
+void SP_path_corner (gentity_t *self);
+
+void SP_misc_teleporter_dest (gentity_t *self);
+void SP_misc_model(gentity_t *ent);
+void SP_misc_portal_camera(gentity_t *ent);
+void SP_misc_portal_surface(gentity_t *ent);
+
+void SP_shooter_rocket( gentity_t *ent );
+void SP_shooter_plasma( gentity_t *ent );
+void SP_shooter_grenade( gentity_t *ent );
+
+void SP_team_CTF_redplayer( gentity_t *ent );
+void SP_team_CTF_blueplayer( gentity_t *ent );
+
+void SP_team_CTF_redspawn( gentity_t *ent );
+void SP_team_CTF_bluespawn( gentity_t *ent );
+
+void SP_item_botroam( gentity_t *ent ) {};
+
+spawn_t spawns[] = {
+  // info entities don't do anything at all, but provide positional
+  // information for things controlled by other processes
+  {"info_player_start", SP_info_player_start},
+  {"info_player_deathmatch", SP_info_player_deathmatch},
+  {"info_player_intermission", SP_info_player_intermission},
+
+  //TA: extra bits
+  {"info_droid_intermission", SP_info_droid_intermission},
+  {"info_human_intermission", SP_info_human_intermission},
+  
+  {"info_null", SP_info_null},
+  {"info_notnull", SP_info_notnull},    // use target_position instead
+  {"info_camp", SP_info_camp},
+
+  {"func_plat", SP_func_plat},
+  {"func_button", SP_func_button},
+  {"func_door", SP_func_door},
+  {"func_static", SP_func_static},
+  {"func_rotating", SP_func_rotating},
+  {"func_bobbing", SP_func_bobbing},
+  {"func_pendulum", SP_func_pendulum},
+  {"func_train", SP_func_train},
+  {"func_group", SP_info_null},
+  {"func_timer", SP_func_timer},      // rename trigger_timer?
+
+  // Triggers are brush objects that cause an effect when contacted
+  // by a living player, usually involving firing targets.
+  // While almost everything could be done with
+  // a single trigger class and different targets, triggered effects
+  // could not be client side predicted (push and teleport).
+  {"trigger_always", SP_trigger_always},
+  {"trigger_multiple", SP_trigger_multiple},
+  {"trigger_push", SP_trigger_push},
+  {"trigger_teleport", SP_trigger_teleport},
+  {"trigger_hurt", SP_trigger_hurt},
+
+  // targets perform no action by themselves, but must be triggered
+  // by another entity
+  {"target_give", SP_target_give},
+  {"target_remove_powerups", SP_target_remove_powerups},
+  {"target_delay", SP_target_delay},
+  {"target_speaker", SP_target_speaker},
+  {"target_print", SP_target_print},
+  {"target_laser", SP_target_laser},
+  {"target_score", SP_target_score},
+  {"target_teleporter", SP_target_teleporter},
+  {"target_relay", SP_target_relay},
+  {"target_kill", SP_target_kill},
+  {"target_position", SP_target_position},
+  {"target_location", SP_target_location},
+  {"target_push", SP_target_push},
+
+  {"light", SP_light},
+  {"path_corner", SP_path_corner},
+
+  {"misc_teleporter_dest", SP_misc_teleporter_dest},
+  {"misc_model", SP_misc_model},
+  {"misc_portal_surface", SP_misc_portal_surface},
+  {"misc_portal_camera", SP_misc_portal_camera},
+
+  {"shooter_rocket", SP_shooter_rocket},
+  {"shooter_grenade", SP_shooter_grenade},
+  {"shooter_plasma", SP_shooter_plasma},
+
+  {"team_CTF_redplayer", SP_team_CTF_redplayer},
+  {"team_CTF_blueplayer", SP_team_CTF_blueplayer},
+
+  {"team_CTF_redspawn", SP_team_CTF_redspawn},
+  {"team_CTF_bluespawn", SP_team_CTF_bluespawn},
+
+  {"item_botroam", SP_item_botroam},
+
+  {0, 0}
+};
+
+/*
+===============
+G_CallSpawn
+
+Finds the spawn function for the entity and calls it,
+returning qfalse if not found
+===============
+*/
+qboolean G_CallSpawn( gentity_t *ent ) {
+  spawn_t *s;
+  gitem_t *item;
+
+  if ( !ent->classname ) {
+    G_Printf ("G_CallSpawn: NULL classname\n");
+    return qfalse;
+  }
+
+  // check item spawn functions
+  for ( item=bg_itemlist+1 ; item->classname ; item++ ) {
+    if ( !strcmp(item->classname, ent->classname) ) {
+      //TA: don't allow items to spawn (atleast for the time being - might need to later?)
+      G_SpawnItem( ent, item );
+      return qtrue;
+      //return qfalse;
+    }
+  }
+
+  // check normal spawn functions
+  for ( s=spawns ; s->name ; s++ ) {
+    if ( !strcmp(s->name, ent->classname) ) {
+      // found it
+      s->spawn(ent);
+      return qtrue;
+    }
+  }
+  G_Printf ("%s doesn't have a spawn function\n", ent->classname);
+  return qfalse;
+}
+
+/*
+=============
+G_NewString
+
+Builds a copy of the string, translating \n to real linefeeds
+so message texts can be multi-line
+=============
+*/
+char *G_NewString( const char *string ) {
+  char  *newb, *new_p;
+  int   i,l;
+
+  l = strlen(string) + 1;
+
+  newb = G_Alloc( l );
+
+  new_p = newb;
+
+  // turn \n into a real linefeed
+  for ( i=0 ; i< l ; i++ ) {
+    if (string[i] == '\\' && i < l-1) {
+      i++;
+      if (string[i] == 'n') {
+        *new_p++ = '\n';
+      } else {
+        *new_p++ = '\\';
+      }
+    } else {
+      *new_p++ = string[i];
+    }
+  }
+
+  return newb;
+}
+
+
+
+
+/*
+===============
+G_ParseField
+
+Takes a key/value pair and sets the binary values
+in a gentity
+===============
+*/
+void G_ParseField( const char *key, const char *value, gentity_t *ent ) {
+  field_t *f;
+  byte  *b;
+  float v;
+  vec3_t  vec;
+
+  for ( f=fields ; f->name ; f++ ) {
+    if ( !Q_stricmp(f->name, key) ) {
+      // found it
+      b = (byte *)ent;
+
+      switch( f->type ) {
+      case F_LSTRING:
+        *(char **)(b+f->ofs) = G_NewString (value);
+        break;
+      case F_VECTOR:
+        sscanf (value, "%f %f %f", &vec[0], &vec[1], &vec[2]);
+        ((float *)(b+f->ofs))[0] = vec[0];
+        ((float *)(b+f->ofs))[1] = vec[1];
+        ((float *)(b+f->ofs))[2] = vec[2];
+        break;
+      case F_INT:
+        *(int *)(b+f->ofs) = atoi(value);
+        break;
+      case F_FLOAT:
+        *(float *)(b+f->ofs) = atof(value);
+        break;
+      case F_ANGLEHACK:
+        v = atof(value);
+        ((float *)(b+f->ofs))[0] = 0;
+        ((float *)(b+f->ofs))[1] = v;
+        ((float *)(b+f->ofs))[2] = 0;
+        break;
+      default:
+      case F_IGNORE:
+        break;
+      }
+      return;
+    }
+  }
+}
+
+
+
+
+/*
+===================
+G_SpawnGEntityFromSpawnVars
+
+Spawn an entity and fill in all of the level fields from
+level.spawnVars[], then call the class specfic spawn function
+===================
+*/
+void G_SpawnGEntityFromSpawnVars( void ) {
+  int     i;
+  gentity_t *ent;
+  char    *s, *value, *gametypeName;
+  static char *gametypeNames[] = {"ffa", "tournament", "single", "team", "ctf", "oneflag", "obelisk", "harvester", "teamtournament"};
+    
+
+  // get the next free entity
+  ent = G_Spawn();
+
+  for ( i = 0 ; i < level.numSpawnVars ; i++ ) {
+    G_ParseField( level.spawnVars[i][0], level.spawnVars[i][1], ent );
+  }
+
+  // check for "notteam" / "notfree" flags
+  if ( g_gametype.integer == GT_SINGLE_PLAYER ) {
+    G_SpawnInt( "notsingle", "0", &i );
+    if ( i ) {
+      G_FreeEntity( ent );
+      return;
+    }
+  }
+  if ( g_gametype.integer >= GT_TEAM ) {
+    G_SpawnInt( "notteam", "0", &i );
+    if ( i ) {
+      G_FreeEntity( ent );
+      return;
+    }
+  } else {
+    G_SpawnInt( "notfree", "0", &i );
+    if ( i ) {
+      G_FreeEntity( ent );
+      return;
+    }
+  }
+
+  if( G_SpawnString( "gametype", NULL, &value ) ) {
+    if( g_gametype.integer >= GT_FFA && g_gametype.integer < GT_MAX_GAME_TYPE ) {
+      gametypeName = gametypeNames[g_gametype.integer];
+
+      s = strstr( value, gametypeName );
+      if( !s ) {
+        G_FreeEntity( ent );
+        return;
+      }
+    }
+  }
+
+  // move editor origin to pos
+  VectorCopy( ent->s.origin, ent->s.pos.trBase );
+  VectorCopy( ent->s.origin, ent->r.currentOrigin );
+
+  // if we didn't get a classname, don't bother spawning anything
+  if ( !G_CallSpawn( ent ) ) {
+    G_FreeEntity( ent );
+  }
+}
+
+
+
+/*
+====================
+G_AddSpawnVarToken
+====================
+*/
+char *G_AddSpawnVarToken( const char *string ) {
+  int   l;
+  char  *dest;
+
+  l = strlen( string );
+  if ( level.numSpawnVarChars + l + 1 > MAX_SPAWN_VARS_CHARS ) {
+    G_Error( "G_AddSpawnVarToken: MAX_SPAWN_VARS" );
+  }
+
+  dest = level.spawnVarChars + level.numSpawnVarChars;
+  memcpy( dest, string, l+1 );
+
+  level.numSpawnVarChars += l + 1;
+
+  return dest;
+}
+
+/*
+====================
+G_ParseSpawnVars
+
+Parses a brace bounded set of key / value pairs out of the
+level's entity strings into level.spawnVars[]
+
+This does not actually spawn an entity.
+====================
+*/
+qboolean G_ParseSpawnVars( void ) {
+  char    keyname[MAX_TOKEN_CHARS];
+  char    com_token[MAX_TOKEN_CHARS];
+
+  level.numSpawnVars = 0;
+  level.numSpawnVarChars = 0;
+
+  // parse the opening brace
+  if ( !trap_GetEntityToken( com_token, sizeof( com_token ) ) ) {
+    // end of spawn string
+    return qfalse;
+  }
+  if ( com_token[0] != '{' ) {
+    G_Error( "G_ParseSpawnVars: found %s when expecting {",com_token );
+  }
+
+  // go through all the key / value pairs
+  while ( 1 ) {
+    // parse key
+    if ( !trap_GetEntityToken( keyname, sizeof( keyname ) ) ) {
+      G_Error( "G_ParseSpawnVars: EOF without closing brace" );
+    }
+
+    if ( keyname[0] == '}' ) {
+      break;
+    }
+
+    // parse value
+    if ( !trap_GetEntityToken( com_token, sizeof( com_token ) ) ) {
+      G_Error( "G_ParseSpawnVars: EOF without closing brace" );
+    }
+
+    if ( com_token[0] == '}' ) {
+      G_Error( "G_ParseSpawnVars: closing brace without data" );
+    }
+    if ( level.numSpawnVars == MAX_SPAWN_VARS ) {
+      G_Error( "G_ParseSpawnVars: MAX_SPAWN_VARS" );
+    }
+    level.spawnVars[ level.numSpawnVars ][0] = G_AddSpawnVarToken( keyname );
+    level.spawnVars[ level.numSpawnVars ][1] = G_AddSpawnVarToken( com_token );
+    level.numSpawnVars++;
+  }
+
+  return qtrue;
+}
+
+
+
+/*QUAKED worldspawn (0 0 0) ?
+
+Every map should have exactly one worldspawn.
+"music"   music wav file
+"gravity" 800 is default gravity
+"message" Text to print during connection process
+*/
+void SP_worldspawn( void ) {
+  char  *s;
+
+  G_SpawnString( "classname", "", &s );
+  if ( Q_stricmp( s, "worldspawn" ) ) {
+    G_Error( "SP_worldspawn: The first entity isn't 'worldspawn'" );
+  }
+
+  // make some data visible to connecting client
+  trap_SetConfigstring( CS_GAME_VERSION, GAME_VERSION );
+
+  trap_SetConfigstring( CS_LEVEL_START_TIME, va("%i", level.startTime ) );
+
+  G_SpawnString( "music", "", &s );
+  trap_SetConfigstring( CS_MUSIC, s );
+
+  G_SpawnString( "message", "", &s );
+  trap_SetConfigstring( CS_MESSAGE, s );        // map specific message
+
+  trap_SetConfigstring( CS_MOTD, g_motd.string );   // message of the day
+
+  G_SpawnString( "gravity", "800", &s );
+  trap_Cvar_Set( "g_gravity", s );
+
+  G_SpawnString( "enableDust", "0", &s );
+  trap_Cvar_Set( "g_enableDust", s );
+
+  G_SpawnString( "enableBreath", "0", &s );
+  trap_Cvar_Set( "g_enableBreath", s );
+
+  g_entities[ENTITYNUM_WORLD].s.number = ENTITYNUM_WORLD;
+  g_entities[ENTITYNUM_WORLD].classname = "worldspawn";
+
+  // see if we want a warmup time
+  trap_SetConfigstring( CS_WARMUP, "" );
+  if ( g_restarted.integer ) {
+    trap_Cvar_Set( "g_restarted", "0" );
+    level.warmupTime = 0;
+  } else if ( g_doWarmup.integer ) { // Turn it on
+    level.warmupTime = -1;
+    trap_SetConfigstring( CS_WARMUP, va("%i", level.warmupTime) );
+    G_LogPrintf( "Warmup:\n" );
+  }
+
+}
+
+
+/*
+==============
+G_SpawnEntitiesFromString
+
+Parses textual entity definitions out of an entstring and spawns gentities.
+==============
+*/
+void G_SpawnEntitiesFromString( void ) {
+  // allow calls to G_Spawn*()
+  level.spawning = qtrue;
+  level.numSpawnVars = 0;
+
+  // the worldspawn is not an actual entity, but it still
+  // has a "spawn" function to perform any global setup
+  // needed by a level (setting configstrings or cvars, etc)
+  if ( !G_ParseSpawnVars() ) {
+    G_Error( "SpawnEntities: no entities" );
+  }
+  SP_worldspawn();
+
+  // parse ents
+  while( G_ParseSpawnVars() ) {
+    G_SpawnGEntityFromSpawnVars();
+  }
+
+  level.spawning = qfalse;      // any future calls to G_Spawn*() will be errors
+}
+