diff options
Diffstat (limited to 'src/game/g_maprotation.c')
| -rw-r--r-- | src/game/g_maprotation.c | 803 |
1 files changed, 803 insertions, 0 deletions
diff --git a/src/game/g_maprotation.c b/src/game/g_maprotation.c new file mode 100644 index 0000000..dd2dead --- /dev/null +++ b/src/game/g_maprotation.c @@ -0,0 +1,803 @@ +/*
+===========================================================================
+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
+===========================================================================
+*/
+
+// g_maprotation.c -- the map rotation system
+
+#include "g_local.h"
+
+mapRotations_t mapRotations;
+
+/*
+===============
+G_MapExists
+
+Check if a map exists
+===============
+*/
+qboolean G_MapExists( char *name )
+{
+ return trap_FS_FOpenFile( va( "maps/%s.bsp", name ), NULL, FS_READ );
+}
+
+/*
+===============
+G_RotationExists
+
+Check if a rotation exists
+===============
+*/
+static qboolean G_RotationExists( char *name )
+{
+ int i;
+
+ for( i = 0; i < mapRotations.numRotations; i++ )
+ {
+ if( Q_strncmp( mapRotations.rotations[ i ].name, name, MAX_QPATH ) == 0 )
+ return qtrue;
+ }
+
+ return qfalse;
+}
+
+/*
+===============
+G_ParseCommandSection
+
+Parse a map rotation command section
+===============
+*/
+static qboolean G_ParseMapCommandSection( mapRotationEntry_t *mre, char **text_p )
+{
+ char *token;
+
+ // read optional parameters
+ while( 1 )
+ {
+ token = COM_Parse( text_p );
+
+ if( !token )
+ break;
+
+ if( !Q_stricmp( token, "" ) )
+ return qfalse;
+
+ if( !Q_stricmp( token, "}" ) )
+ return qtrue; //reached the end of this command section
+
+ if( !Q_stricmp( token, "layouts" ) )
+ {
+ token = COM_ParseExt( text_p, qfalse );
+ mre->layouts[ 0 ] = '\0';
+ while( token && token[ 0 ] != 0 )
+ {
+ Q_strcat( mre->layouts, sizeof( mre->layouts ), token );
+ Q_strcat( mre->layouts, sizeof( mre->layouts ), " " );
+ token = COM_ParseExt( text_p, qfalse );
+ }
+ continue;
+ }
+
+ Q_strncpyz( mre->postCmds[ mre->numCmds ], token, sizeof( mre->postCmds[ 0 ] ) );
+ Q_strcat( mre->postCmds[ mre->numCmds ], sizeof( mre->postCmds[ 0 ] ), " " );
+
+ token = COM_ParseExt( text_p, qfalse );
+
+ while( token && token[ 0 ] != 0 )
+ {
+ Q_strcat( mre->postCmds[ mre->numCmds ], sizeof( mre->postCmds[ 0 ] ), token );
+ Q_strcat( mre->postCmds[ mre->numCmds ], sizeof( mre->postCmds[ 0 ] ), " " );
+ token = COM_ParseExt( text_p, qfalse );
+ }
+
+ if( mre->numCmds == MAX_MAP_COMMANDS )
+ {
+ G_Printf( S_COLOR_RED "ERROR: maximum number of map commands (%d) reached\n",
+ MAX_MAP_COMMANDS );
+ return qfalse;
+ }
+ else
+ mre->numCmds++;
+ }
+
+ return qfalse;
+}
+
+/*
+===============
+G_ParseMapRotation
+
+Parse a map rotation section
+===============
+*/
+static qboolean G_ParseMapRotation( mapRotation_t *mr, char **text_p )
+{
+ char *token;
+ qboolean mnSet = qfalse;
+ mapRotationEntry_t *mre = NULL;
+ mapRotationCondition_t *mrc;
+
+ // read optional parameters
+ while( 1 )
+ {
+ token = COM_Parse( text_p );
+
+ if( !token )
+ break;
+
+ if( !Q_stricmp( token, "" ) )
+ return qfalse;
+
+ if( !Q_stricmp( token, "{" ) )
+ {
+ if( !mnSet )
+ {
+ G_Printf( S_COLOR_RED "ERROR: map settings section with no name\n" );
+ return qfalse;
+ }
+
+ if( !G_ParseMapCommandSection( mre, text_p ) )
+ {
+ G_Printf( S_COLOR_RED "ERROR: failed to parse map command section\n" );
+ return qfalse;
+ }
+
+ mnSet = qfalse;
+ continue;
+ }
+ else if( !Q_stricmp( token, "goto" ) )
+ {
+ token = COM_Parse( text_p );
+
+ if( !token )
+ break;
+
+ mrc = &mre->conditions[ mre->numConditions ];
+ mrc->unconditional = qtrue;
+ Q_strncpyz( mrc->dest, token, sizeof( mrc->dest ) );
+
+ if( mre->numConditions == MAX_MAP_ROTATION_CONDS )
+ {
+ G_Printf( S_COLOR_RED "ERROR: maximum number of conditions for one map (%d) reached\n",
+ MAX_MAP_ROTATION_CONDS );
+ return qfalse;
+ }
+ else
+ mre->numConditions++;
+
+ continue;
+ }
+ else if( !Q_stricmp( token, "if" ) )
+ {
+ token = COM_Parse( text_p );
+
+ if( !token )
+ break;
+
+ mrc = &mre->conditions[ mre->numConditions ];
+
+ if( !Q_stricmp( token, "numClients" ) )
+ {
+ mrc->lhs = MCV_NUMCLIENTS;
+
+ token = COM_Parse( text_p );
+
+ if( !token )
+ break;
+
+ if( !Q_stricmp( token, "<" ) )
+ mrc->op = MCO_LT;
+ else if( !Q_stricmp( token, ">" ) )
+ mrc->op = MCO_GT;
+ else if( !Q_stricmp( token, "=" ) )
+ mrc->op = MCO_EQ;
+ else
+ {
+ G_Printf( S_COLOR_RED "ERROR: invalid operator in expression: %s\n", token );
+ return qfalse;
+ }
+
+ token = COM_Parse( text_p );
+
+ if( !token )
+ break;
+
+ mrc->numClients = atoi( token );
+ }
+ else if( !Q_stricmp( token, "lastWin" ) )
+ {
+ mrc->lhs = MCV_LASTWIN;
+
+ token = COM_Parse( text_p );
+
+ if( !token )
+ break;
+
+ if( !Q_stricmp( token, "aliens" ) )
+ mrc->lastWin = PTE_ALIENS;
+ else if( !Q_stricmp( token, "humans" ) )
+ mrc->lastWin = PTE_HUMANS;
+ else
+ {
+ G_Printf( S_COLOR_RED "ERROR: invalid right hand side in expression: %s\n", token );
+ return qfalse;
+ }
+ }
+ else if( !Q_stricmp( token, "random" ) )
+ mrc->lhs = MCV_RANDOM;
+ else
+ {
+ G_Printf( S_COLOR_RED "ERROR: invalid left hand side in expression: %s\n", token );
+ return qfalse;
+ }
+
+ token = COM_Parse( text_p );
+
+ if( !token )
+ break;
+
+ mrc->unconditional = qfalse;
+ Q_strncpyz( mrc->dest, token, sizeof( mrc->dest ) );
+
+ if( mre->numConditions == MAX_MAP_ROTATION_CONDS )
+ {
+ G_Printf( S_COLOR_RED "ERROR: maximum number of conditions for one map (%d) reached\n",
+ MAX_MAP_ROTATION_CONDS );
+ return qfalse;
+ }
+ else
+ mre->numConditions++;
+
+ continue;
+ }
+ else if( !Q_stricmp( token, "}" ) )
+ return qtrue; //reached the end of this map rotation
+
+ mre = &mr->maps[ mr->numMaps ];
+
+ if( mr->numMaps == MAX_MAP_ROTATION_MAPS )
+ {
+ G_Printf( S_COLOR_RED "ERROR: maximum number of maps in one rotation (%d) reached\n",
+ MAX_MAP_ROTATION_MAPS );
+ return qfalse;
+ }
+ else
+ mr->numMaps++;
+
+ Q_strncpyz( mre->name, token, sizeof( mre->name ) );
+ mnSet = qtrue;
+ }
+
+ return qfalse;
+}
+
+/*
+===============
+G_ParseMapRotationFile
+
+Load the map rotations from a map rotation file
+===============
+*/
+static qboolean G_ParseMapRotationFile( const char *fileName )
+{
+ char *text_p;
+ int i, j, k;
+ int len;
+ char *token;
+ char text[ 20000 ];
+ char mrName[ MAX_QPATH ];
+ qboolean mrNameSet = qfalse;
+ fileHandle_t f;
+
+ // load the file
+ len = trap_FS_FOpenFile( fileName, &f, FS_READ );
+ if( len < 0 )
+ return qfalse;
+
+ if( len == 0 || len >= sizeof( text ) - 1 )
+ {
+ trap_FS_FCloseFile( f );
+ G_Printf( S_COLOR_RED "ERROR: map rotation file %s is %s\n", fileName,
+ len == 0 ? "empty" : "too long" );
+ return qfalse;
+ }
+
+ trap_FS_Read( text, len, f );
+ text[ len ] = 0;
+ trap_FS_FCloseFile( f );
+
+ // parse the text
+ text_p = text;
+
+ // read optional parameters
+ while( 1 )
+ {
+ token = COM_Parse( &text_p );
+
+ if( !token )
+ break;
+
+ if( !Q_stricmp( token, "" ) )
+ break;
+
+ if( !Q_stricmp( token, "{" ) )
+ {
+ if( mrNameSet )
+ {
+ //check for name space clashes
+ for( i = 0; i < mapRotations.numRotations; i++ )
+ {
+ if( !Q_stricmp( mapRotations.rotations[ i ].name, mrName ) )
+ {
+ G_Printf( S_COLOR_RED "ERROR: a map rotation is already named %s\n", mrName );
+ return qfalse;
+ }
+ }
+
+ Q_strncpyz( mapRotations.rotations[ mapRotations.numRotations ].name, mrName, MAX_QPATH );
+
+ if( !G_ParseMapRotation( &mapRotations.rotations[ mapRotations.numRotations ], &text_p ) )
+ {
+ G_Printf( S_COLOR_RED "ERROR: %s: failed to parse map rotation %s\n", fileName, mrName );
+ return qfalse;
+ }
+
+ //start parsing map rotations again
+ mrNameSet = qfalse;
+
+ if( mapRotations.numRotations == MAX_MAP_ROTATIONS )
+ {
+ G_Printf( S_COLOR_RED "ERROR: maximum number of map rotations (%d) reached\n",
+ MAX_MAP_ROTATIONS );
+ return qfalse;
+ }
+ else
+ mapRotations.numRotations++;
+
+ continue;
+ }
+ else
+ {
+ G_Printf( S_COLOR_RED "ERROR: unamed map rotation\n" );
+ return qfalse;
+ }
+ }
+
+ if( !mrNameSet )
+ {
+ Q_strncpyz( mrName, token, sizeof( mrName ) );
+ mrNameSet = qtrue;
+ }
+ else
+ {
+ G_Printf( S_COLOR_RED "ERROR: map rotation already named\n" );
+ return qfalse;
+ }
+ }
+
+ for( i = 0; i < mapRotations.numRotations; i++ )
+ {
+ for( j = 0; j < mapRotations.rotations[ i ].numMaps; j++ )
+ {
+ if( !G_MapExists( mapRotations.rotations[ i ].maps[ j ].name ) )
+ {
+ G_Printf( S_COLOR_RED "ERROR: map \"%s\" doesn't exist\n",
+ mapRotations.rotations[ i ].maps[ j ].name );
+ return qfalse;
+ }
+
+ for( k = 0; k < mapRotations.rotations[ i ].maps[ j ].numConditions; k++ )
+ {
+ if( !G_MapExists( mapRotations.rotations[ i ].maps[ j ].conditions[ k ].dest ) &&
+ !G_RotationExists( mapRotations.rotations[ i ].maps[ j ].conditions[ k ].dest ) )
+ {
+ G_Printf( S_COLOR_RED "ERROR: conditional destination \"%s\" doesn't exist\n",
+ mapRotations.rotations[ i ].maps[ j ].conditions[ k ].dest );
+ return qfalse;
+ }
+
+ }
+
+ }
+ }
+
+ return qtrue;
+}
+
+/*
+===============
+G_PrintRotations
+
+Print the parsed map rotations
+===============
+*/
+void G_PrintRotations( void )
+{
+ int i, j, k;
+
+ G_Printf( "Map rotations as parsed:\n\n" );
+
+ for( i = 0; i < mapRotations.numRotations; i++ )
+ {
+ G_Printf( "rotation: %s\n{\n", mapRotations.rotations[ i ].name );
+
+ for( j = 0; j < mapRotations.rotations[ i ].numMaps; j++ )
+ {
+ G_Printf( " map: %s\n {\n", mapRotations.rotations[ i ].maps[ j ].name );
+
+ for( k = 0; k < mapRotations.rotations[ i ].maps[ j ].numCmds; k++ )
+ {
+ G_Printf( " command: %s\n",
+ mapRotations.rotations[ i ].maps[ j ].postCmds[ k ] );
+ }
+
+ G_Printf( " }\n" );
+
+ for( k = 0; k < mapRotations.rotations[ i ].maps[ j ].numConditions; k++ )
+ {
+ G_Printf( " conditional: %s\n",
+ mapRotations.rotations[ i ].maps[ j ].conditions[ k ].dest );
+ }
+
+ }
+
+ G_Printf( "}\n" );
+ }
+
+ G_Printf( "Total memory used: %d bytes\n", sizeof( mapRotations ) );
+}
+
+/*
+===============
+G_GetCurrentMapArray
+
+Fill a static array with the current map of each rotation
+===============
+*/
+static int *G_GetCurrentMapArray( void )
+{
+ static int currentMap[ MAX_MAP_ROTATIONS ];
+ int i = 0;
+ char text[ MAX_MAP_ROTATIONS * 2 ];
+ char *text_p, *token;
+
+ Q_strncpyz( text, g_currentMap.string, sizeof( text ) );
+
+ text_p = text;
+
+ while( 1 )
+ {
+ token = COM_Parse( &text_p );
+
+ if( !token )
+ break;
+
+ if( !Q_stricmp( token, "" ) )
+ break;
+
+ currentMap[ i++ ] = atoi( token );
+ }
+
+ return currentMap;
+}
+
+/*
+===============
+G_SetCurrentMap
+
+Set the current map in some rotation
+===============
+*/
+static void G_SetCurrentMap( int currentMap, int rotation )
+{
+ char text[ MAX_MAP_ROTATIONS * 2 ] = { 0 };
+ int *p = G_GetCurrentMapArray( );
+ int i;
+
+ p[ rotation ] = currentMap;
+
+ for( i = 0; i < mapRotations.numRotations; i++ )
+ Q_strcat( text, sizeof( text ), va( "%d ", p[ i ] ) );
+
+ trap_Cvar_Set( "g_currentMap", text );
+ trap_Cvar_Update( &g_currentMap );
+}
+
+/*
+===============
+G_GetCurrentMap
+
+Return the current map in some rotation
+===============
+*/
+int G_GetCurrentMap( int rotation )
+{
+ int *p = G_GetCurrentMapArray( );
+
+ return p[ rotation ];
+}
+
+/*
+===============
+G_IssueMapChange
+
+Send commands to the server to actually change the map
+===============
+*/
+static void G_IssueMapChange( int rotation )
+{
+ int i;
+ int map = G_GetCurrentMap( rotation );
+ char cmd[ MAX_TOKEN_CHARS ];
+ char mapname[ MAX_CVAR_VALUE_STRING ];
+
+ // allow a manually defined g_layouts setting to override the maprotation
+ if( !g_layouts.string[ 0 ] &&
+ mapRotations.rotations[ rotation ].maps[ map ].layouts[ 0 ] )
+ {
+ trap_Cvar_Set( "g_layouts",
+ mapRotations.rotations[ rotation ].maps[ map ].layouts );
+ }
+
+ trap_Cvar_VariableStringBuffer( "mapname", mapname, sizeof( mapname ) );
+ if ( Q_stricmp( mapname, mapRotations.rotations[ rotation ].maps[ map ].name ) )
+ trap_SendConsoleCommand( EXEC_APPEND, va( "map %s\n",
+ mapRotations.rotations[ rotation ].maps[ map ].name ) );
+ else
+ trap_SendConsoleCommand( EXEC_APPEND, "map_restart\n" );
+
+ // load up map defaults if g_mapConfigs is set
+ G_MapConfigs( mapRotations.rotations[ rotation ].maps[ map ].name );
+
+ for( i = 0; i < mapRotations.rotations[ rotation ].maps[ map ].numCmds; i++ )
+ {
+ Q_strncpyz( cmd, mapRotations.rotations[ rotation ].maps[ map ].postCmds[ i ],
+ sizeof( cmd ) );
+ Q_strcat( cmd, sizeof( cmd ), "\n" );
+ trap_SendConsoleCommand( EXEC_APPEND, cmd );
+ }
+}
+
+/*
+===============
+G_ResolveConditionDestination
+
+Resolve the destination of some condition
+===============
+*/
+static mapConditionType_t G_ResolveConditionDestination( int *n, char *name )
+{
+ int i;
+
+ //search the current rotation first...
+ for( i = 0; i < mapRotations.rotations[ g_currentMapRotation.integer ].numMaps; i++ )
+ {
+ if( !Q_stricmp( mapRotations.rotations[ g_currentMapRotation.integer ].maps[ i ].name, name ) )
+ {
+ *n = i;
+ return MCT_MAP;
+ }
+ }
+
+ //...then search the rotation names
+ for( i = 0; i < mapRotations.numRotations; i++ )
+ {
+ if( !Q_stricmp( mapRotations.rotations[ i ].name, name ) )
+ {
+ *n = i;
+ return MCT_ROTATION;
+ }
+ }
+
+ return MCT_ERR;
+}
+
+/*
+===============
+G_EvaluateMapCondition
+
+Evaluate a map condition
+===============
+*/
+static qboolean G_EvaluateMapCondition( mapRotationCondition_t *mrc )
+{
+ switch( mrc->lhs )
+ {
+ case MCV_RANDOM:
+ return rand( ) & 1;
+ break;
+
+ case MCV_NUMCLIENTS:
+ switch( mrc->op )
+ {
+ case MCO_LT:
+ return level.numConnectedClients < mrc->numClients;
+ break;
+
+ case MCO_GT:
+ return level.numConnectedClients > mrc->numClients;
+ break;
+
+ case MCO_EQ:
+ return level.numConnectedClients == mrc->numClients;
+ break;
+ }
+ break;
+
+ case MCV_LASTWIN:
+ return level.lastWin == mrc->lastWin;
+ break;
+
+ default:
+ case MCV_ERR:
+ G_Printf( S_COLOR_RED "ERROR: malformed map switch condition\n" );
+ break;
+ }
+
+ return qfalse;
+}
+
+/*
+===============
+G_AdvanceMapRotation
+
+Increment the current map rotation
+===============
+*/
+qboolean G_AdvanceMapRotation( void )
+{
+ mapRotation_t *mr;
+ mapRotationEntry_t *mre;
+ mapRotationCondition_t *mrc;
+ int currentRotation, currentMap, nextMap;
+ int i, n;
+ mapConditionType_t mct;
+
+ if( ( currentRotation = g_currentMapRotation.integer ) == NOT_ROTATING )
+ return qfalse;
+
+ currentMap = G_GetCurrentMap( currentRotation );
+
+ mr = &mapRotations.rotations[ currentRotation ];
+ mre = &mr->maps[ currentMap ];
+ nextMap = ( currentMap + 1 ) % mr->numMaps;
+
+ for( i = 0; i < mre->numConditions; i++ )
+ {
+ mrc = &mre->conditions[ i ];
+
+ if( mrc->unconditional || G_EvaluateMapCondition( mrc ) )
+ {
+ mct = G_ResolveConditionDestination( &n, mrc->dest );
+
+ switch( mct )
+ {
+ case MCT_MAP:
+ nextMap = n;
+ break;
+
+ case MCT_ROTATION:
+ G_StartMapRotation( mrc->dest, qtrue );
+ return qtrue;
+ break;
+
+ default:
+ case MCT_ERR:
+ G_Printf( S_COLOR_YELLOW "WARNING: map switch destination could not be resolved: %s\n",
+ mrc->dest );
+ break;
+ }
+ }
+ }
+
+ G_SetCurrentMap( nextMap, currentRotation );
+ G_IssueMapChange( currentRotation );
+
+ return qtrue;
+}
+
+/*
+===============
+G_StartMapRotation
+
+Switch to a new map rotation
+===============
+*/
+qboolean G_StartMapRotation( char *name, qboolean changeMap )
+{
+ int i;
+
+ for( i = 0; i < mapRotations.numRotations; i++ )
+ {
+ if( !Q_stricmp( mapRotations.rotations[ i ].name, name ) )
+ {
+ trap_Cvar_Set( "g_currentMapRotation", va( "%d", i ) );
+ trap_Cvar_Update( &g_currentMapRotation );
+
+ if( changeMap )
+ G_IssueMapChange( i );
+ break;
+ }
+ }
+
+ if( i == mapRotations.numRotations )
+ return qfalse;
+ else
+ return qtrue;
+}
+
+/*
+===============
+G_StopMapRotation
+
+Stop the current map rotation
+===============
+*/
+void G_StopMapRotation( void )
+{
+ trap_Cvar_Set( "g_currentMapRotation", va( "%d", NOT_ROTATING ) );
+ trap_Cvar_Update( &g_currentMapRotation );
+}
+
+/*
+===============
+G_MapRotationActive
+
+Test if any map rotation is currently active
+===============
+*/
+qboolean G_MapRotationActive( void )
+{
+ return ( g_currentMapRotation.integer != NOT_ROTATING );
+}
+
+/*
+===============
+G_InitMapRotations
+
+Load and intialise the map rotations
+===============
+*/
+void G_InitMapRotations( void )
+{
+ const char *fileName = "maprotation.cfg";
+
+ //load the file if it exists
+ if( trap_FS_FOpenFile( fileName, NULL, FS_READ ) )
+ {
+ if( !G_ParseMapRotationFile( fileName ) )
+ G_Printf( S_COLOR_RED "ERROR: failed to parse %s file\n", fileName );
+ }
+ else
+ G_Printf( "%s file not found.\n", fileName );
+
+ if( g_currentMapRotation.integer == NOT_ROTATING )
+ {
+ if( g_initialMapRotation.string[ 0 ] != 0 )
+ {
+ G_StartMapRotation( g_initialMapRotation.string, qfalse );
+
+ trap_Cvar_Set( "g_initialMapRotation", "" );
+ trap_Cvar_Update( &g_initialMapRotation );
+ }
+ }
+}
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