put_tile.c

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/*****************************************************************************
 * ugBASIC - an isomorphic BASIC language compiler for retrocomputers        *
 *****************************************************************************
 * Copyright 2021-2026 Marco Spedaletti (asimov@mclink.it)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *----------------------------------------------------------------------------
 * Concesso in licenza secondo i termini della Licenza Apache, versione 2.0
 * (la "Licenza"); è proibito usare questo file se non in conformità alla
 * Licenza. Una copia della Licenza è disponibile all'indirizzo:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Se non richiesto dalla legislazione vigente o concordato per iscritto,
 * il software distribuito nei termini della Licenza è distribuito
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 ****************************************************************************/
 
/****************************************************************************
 * INCLUDE SECTION 
 ****************************************************************************/
 
#include "../../ugbc.h"
 
/****************************************************************************
 * CODE SECTION 
 ****************************************************************************/
 
extern char DATATYPE_AS_STRING[][16];

/* <usermanual>
@keyword PUT TILE
</usermanual> */
void put_tile( Environment * _environment, char * _tile, char * _x, char * _y, char * _w, char * _h ) {
 
    Variable * tile = variable_retrieve( _environment, _tile );
    Variable * x = variable_retrieve_or_define( _environment, _x, VT_POSITION, 0 );
    Variable * y = variable_retrieve_or_define( _environment, _y, VT_POSITION, 0 );
    Variable * w = NULL;
    if ( _w ) {
        w = variable_retrieve_or_define( _environment, _w, VT_BYTE, 0 );
    }
    Variable * h = NULL;
    if ( _h ) {
        h = variable_retrieve_or_define( _environment, _h, VT_BYTE, 0 );
    }
 
    switch( tile->type) {
        case VT_TILE:
            vdcz_put_tile( _environment, tile->realName, x->realName, y->realName );
            break;
        case VT_TILES:
            vdcz_put_tiles( _environment, tile->realName, x->realName, y->realName, (w != NULL) ? w->realName : NULL, (h != NULL) ? h->realName : NULL );
            break;
    }
 
}