From e5ff1d3d4bc01d98b12d05f9cb85457c7f15c424 Mon Sep 17 00:00:00 2001 From: IronClawTrem Date: Tue, 6 Aug 2019 02:17:23 +0100 Subject: first commit --- src/game/g_spawn.c | 698 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 698 insertions(+) create mode 100644 src/game/g_spawn.c (limited to 'src/game/g_spawn.c') diff --git a/src/game/g_spawn.c b/src/game/g_spawn.c new file mode 100644 index 0000000..028c39f --- /dev/null +++ b/src/game/g_spawn.c @@ -0,0 +1,698 @@ +/* +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. +Copyright (C) 2000-2006 Tim Angus + +This file is part of Tremulous. + +Tremulous 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 of the License, +or (at your option) any later version. + +Tremulous 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 Tremulous; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +=========================================================================== +*/ + +#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; +} + +qboolean G_SpawnVector4( const char *key, const char *defaultString, float *out ) +{ + char *s; + qboolean present; + + present = G_SpawnString( key, defaultString, &s ); + sscanf( s, "%f %f %f %f", &out[ 0 ], &out[ 1 ], &out[ 2 ], &out[ 3 ] ); + 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_VECTOR4, //TA + 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}, + {"bounce", FOFS(physicsBounce), F_FLOAT}, + {"alpha", FOFS(pos1), F_VECTOR}, + {"radius", FOFS(pos2), F_VECTOR}, + {"acceleration", FOFS(acceleration), F_VECTOR}, + {"animation", FOFS(animation), F_VECTOR4}, + {"rotatorAngle", FOFS(rotatorAngle), F_FLOAT}, + {"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 ); + +void SP_info_alien_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_door_rotating( gentity_t *ent ); +void SP_func_door_model( 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_trigger_stage( gentity_t *ent ); +void SP_trigger_win( gentity_t *ent ); +void SP_trigger_buildable( gentity_t *ent ); +void SP_trigger_class( gentity_t *ent ); +void SP_trigger_equipment( gentity_t *ent ); +void SP_trigger_gravity( gentity_t *ent ); +void SP_trigger_heal( gentity_t *ent ); +void SP_trigger_ammo( 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_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_target_rumble( gentity_t *ent ); +void SP_target_alien_win( gentity_t *ent ); +void SP_target_human_win( gentity_t *ent ); +void SP_target_hurt( 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_misc_particle_system( gentity_t *ent ); +void SP_misc_anim_model( gentity_t *ent ); +void SP_misc_light_flare( 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_alien_intermission", SP_info_alien_intermission }, + { "info_human_intermission", SP_info_human_intermission }, + + { "info_null", SP_info_null }, + { "info_notnull", SP_info_notnull }, // use target_position instead + + { "func_plat", SP_func_plat }, + { "func_button", SP_func_button }, + { "func_door", SP_func_door }, + { "func_door_rotating", SP_func_door_rotating }, //TA + { "func_door_model", SP_func_door_model }, //TA + { "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 }, + { "trigger_stage", SP_trigger_stage }, + { "trigger_win", SP_trigger_win }, + { "trigger_buildable", SP_trigger_buildable }, + { "trigger_class", SP_trigger_class }, + { "trigger_equipment", SP_trigger_equipment }, + { "trigger_gravity", SP_trigger_gravity }, + { "trigger_heal", SP_trigger_heal }, + { "trigger_ammo", SP_trigger_ammo }, + + // targets perform no action by themselves, but must be triggered + // by another entity + { "target_delay", SP_target_delay }, + { "target_speaker", SP_target_speaker }, + { "target_print", SP_target_print }, + { "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 }, + { "target_rumble", SP_target_rumble }, + { "target_alien_win", SP_target_alien_win }, + { "target_human_win", SP_target_human_win }, + { "target_hurt", SP_target_hurt }, + + { "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 }, + + { "misc_particle_system", SP_misc_particle_system }, + { "misc_anim_model", SP_misc_anim_model }, + { "misc_light_flare", SP_misc_light_flare }, + + { NULL, 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; + buildable_t buildable; + + if( !ent->classname ) + { + G_Printf( "G_CallSpawn: NULL classname\n" ); + return qfalse; + } + + //check buildable spawn functions + if( ( buildable = BG_FindBuildNumForEntityName( ent->classname ) ) != BA_NONE ) + { + // don't spawn built-in buildings if we are using a custom layout + if( level.layout[ 0 ] && Q_stricmp( level.layout, "*BUILTIN*" ) ) + return qtrue; + + if( buildable == BA_A_SPAWN || buildable == BA_H_SPAWN ) + { + ent->s.angles[ YAW ] += 180.0f; + AngleNormalize360( ent->s.angles[ YAW ] ); + } + + G_SpawnBuildable( ent, buildable ); + return qtrue; + } + + // 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; + vec4_t vec4; + + 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_VECTOR4: + sscanf( value, "%f %f %f %f", &vec4[ 0 ], &vec4[ 1 ], &vec4[ 2 ], &vec4[ 3 ] ); + + ( (float *)( b + f->ofs ) )[ 0 ] = vec4[ 0 ]; + ( (float *)( b + f->ofs ) )[ 1 ] = vec4[ 1 ]; + ( (float *)( b + f->ofs ) )[ 2 ] = vec4[ 2 ]; + ( (float *)( b + f->ofs ) )[ 3 ] = vec4[ 3 ]; + 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; + + // 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 ); + + G_SpawnInt( "notq3a", "0", &i ); + + if( i ) + { + 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_CHARS" ); + + 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( "humanBuildPoints", DEFAULT_HUMAN_BUILDPOINTS, &s ); + trap_Cvar_Set( "g_humanBuildPoints", s ); + + G_SpawnString( "humanMaxStage", DEFAULT_HUMAN_MAX_STAGE, &s ); + trap_Cvar_Set( "g_humanMaxStage", s ); + + G_SpawnString( "humanStage2Threshold", DEFAULT_HUMAN_STAGE2_THRESH, &s ); + trap_Cvar_Set( "g_humanStage2Threshold", s ); + + G_SpawnString( "humanStage3Threshold", DEFAULT_HUMAN_STAGE3_THRESH, &s ); + trap_Cvar_Set( "g_humanStage3Threshold", s ); + + G_SpawnString( "alienBuildPoints", DEFAULT_ALIEN_BUILDPOINTS, &s ); + trap_Cvar_Set( "g_alienBuildPoints", s ); + + G_SpawnString( "alienMaxStage", DEFAULT_ALIEN_MAX_STAGE, &s ); + trap_Cvar_Set( "g_alienMaxStage", s ); + + G_SpawnString( "alienStage2Threshold", DEFAULT_ALIEN_STAGE2_THRESH, &s ); + trap_Cvar_Set( "g_alienStage2Threshold", s ); + + G_SpawnString( "alienStage3Threshold", DEFAULT_ALIEN_STAGE3_THRESH, &s ); + trap_Cvar_Set( "g_alienStage3Threshold", s ); + + G_SpawnString( "enableDust", "0", &s ); + trap_Cvar_Set( "g_enableDust", s ); + + G_SpawnString( "enableBreath", "0", &s ); + trap_Cvar_Set( "g_enableBreath", s ); + + G_SpawnString( "disabledEquipment", "", &s ); + trap_Cvar_Set( "g_disabledEquipment", s ); + + G_SpawnString( "disabledClasses", "", &s ); + trap_Cvar_Set( "g_disabledClasses", s ); + + G_SpawnString( "disabledBuildables", "", &s ); + trap_Cvar_Set( "g_disabledBuildables", s ); + + g_entities[ ENTITYNUM_WORLD ].s.number = ENTITYNUM_WORLD; + g_entities[ ENTITYNUM_WORLD ].classname = "worldspawn"; + + if( g_restarted.integer ) + trap_Cvar_Set( "g_restarted", "0" ); + +} + + +/* +============== +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 +} + -- cgit