/*
===============
G_InitMapRotations
Load and initialise 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, qtrue, qfalse, 0 );
trap_Cvar_Set( "g_initialMapRotation", "" );
trap_Cvar_Update( &g_initialMapRotation );
}
}
}
/*
===============
G_InitMapRotations
Load and intialise the map rotations
===============
*/
void G_InitMapRotations( void )
{
const char *fileName = "maprotation.cfg";
fileHandle_t f;
//load the file if it exists
if( trap_FS_FOpenFile( fileName, &f, FS_READ ) > 0 )
{
trap_FS_FCloseFile( f );
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, false );
trap_Cvar_Set( "g_initialMapRotation", "" );
trap_Cvar_Update( &g_initialMapRotation );
}
}
}
/*
===============
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:
//need to increment the current map before changing the rotation
//or you get infinite loops with some conditionals
G_SetCurrentMap( nextMap, currentRotation );
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;
}
static void Svcmd_MapRotation_f( void )
{
char rotationName[ MAX_QPATH ];
if( trap_Argc( ) != 2 )
{
G_Printf( "usage: maprotation <name>\n" );
return;
}
G_ClearRotationStack( );
trap_Argv( 1, rotationName, sizeof( rotationName ) );
if( !G_StartMapRotation( rotationName, qfalse, qtrue, qfalse, 0 ) )
G_Printf( "maprotation: invalid map rotation \"%s\"\n", rotationName );
}
static void Svcmd_MapRotation_f()
{
char rotationName[ MAX_QPATH ];
if ( trap_Argc() != 2 )
{
Log::Notice( "usage: maprotation <name>" );
return;
}
G_ClearRotationStack();
trap_Argv( 1, rotationName, sizeof( rotationName ) );
if ( !G_StartMapRotation( rotationName, false, true, false, 0 ) )
{
Log::Notice( "maprotation: invalid map rotation \"%s\"", rotationName );
}
}
/*
===============
G_GotoLabel
Resolve the label of some condition
===============
*/
static qboolean G_GotoLabel( int rotation, int nodeIndex, char *name,
qboolean reset_index, int depth )
{
node_t *node;
int i;
// Search the rotation names...
if ( G_StartMapRotation( name, qtrue, qtrue, reset_index, depth ) )
{
return qtrue;
}
// ...then try labels in the rotation
for ( i = 0; i < mapRotations.rotations[ rotation ].numNodes; i++ )
{
node = mapRotations.rotations[ rotation ].nodes[ i ];
if ( node->type == NT_LABEL && !Q_stricmp( node->u.label.name, name ) )
{
G_SetCurrentNodeByIndex( G_NodeIndexAfter( i, rotation ), rotation );
G_AdvanceMapRotation( depth );
return qtrue;
}
}
// finally check for a map by name
for ( i = 0; i < mapRotations.rotations[ rotation ].numNodes; i++ )
{
nodeIndex = G_NodeIndexAfter( nodeIndex, rotation );
node = mapRotations.rotations[ rotation ].nodes[ nodeIndex ];
if ( node->type == NT_MAP && !Q_stricmp( node->u.map.name, name ) )
{
G_SetCurrentNodeByIndex( nodeIndex, rotation );
G_AdvanceMapRotation( depth );
return qtrue;
}
}
return qfalse;
}
/*
===============
G_StepMapRotation
Run one node of a map rotation
===============
*/
qboolean G_StepMapRotation( int rotation, int nodeIndex, int depth )
{
node_t *node;
condition_t *condition;
int returnRotation;
qboolean step = qtrue;
node = G_NodeByIndex( nodeIndex, rotation );
depth++;
// guard against inifinite loop in conditional code
if ( depth > 32 && node->type != NT_MAP )
{
if ( depth > 64 )
{
G_Printf( S_COLOR_RED "ERROR: infinite loop protection stopped at map rotation %s\n",
G_RotationNameByIndex( rotation ) );
return qfalse;
}
G_Printf( S_COLOR_YELLOW "WARNING: possible infinite loop in map rotation %s\n",
G_RotationNameByIndex( rotation ) );
return qtrue;
}
while ( step )
{
step = qfalse;
switch ( node->type )
{
case NT_CONDITION:
condition = &node->u.condition;
if ( G_EvaluateMapCondition( &condition ) )
{
node = condition->target;
step = qtrue;
continue;
}
break;
case NT_RETURN:
returnRotation = G_PopRotationStack();
if ( returnRotation >= 0 )
{
G_SetCurrentNodeByIndex(
G_NodeIndexAfter( nodeIndex, rotation ), rotation );
if ( G_StartMapRotation( G_RotationNameByIndex( returnRotation ),
qtrue, qfalse, qfalse, depth ) )
{
return qfalse;
}
}
break;
case NT_MAP:
if ( G_MapExists( node->u.map.name ) )
{
G_SetCurrentNodeByIndex(
G_NodeIndexAfter( nodeIndex, rotation ), rotation );
if ( !G_MapExists( g_nextMap.string ) )
{
G_IssueMapChange( nodeIndex, rotation );
}
return qfalse;
}
G_Printf( S_COLOR_YELLOW "WARNING: skipped missing map %s in rotation %s\n",
node->u.map.name, G_RotationNameByIndex( rotation ) );
break;
case NT_LABEL:
break;
case NT_GOTO:
case NT_RESUME:
G_SetCurrentNodeByIndex(
G_NodeIndexAfter( nodeIndex, rotation ), rotation );
if ( G_GotoLabel( rotation, nodeIndex, node->u.label.name,
( node->type == NT_GOTO ), depth ) )
{
return qfalse;
}
G_Printf( S_COLOR_YELLOW "WARNING: label, map, or rotation %s not found in %s\n",
node->u.label.name, G_RotationNameByIndex( rotation ) );
break;
}
}
return qtrue;
}