diff options
Diffstat (limited to 'modules/mod_map/file_map.c')
| -rw-r--r-- | modules/mod_map/file_map.c | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/modules/mod_map/file_map.c b/modules/mod_map/file_map.c new file mode 100644 index 0000000..65e6597 --- /dev/null +++ b/modules/mod_map/file_map.c @@ -0,0 +1,261 @@ +/* + * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd) + * Copyright © 2002-2006 Fenix Team (Fenix) + * Copyright © 1999-2002 José Luis Cebrián Pagüe (Fenix) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +/* --------------------------------------------------------------------------- */ + +#include "mod_map.h" + +/* --------------------------------------------------------------------------- */ + +static GRAPH * gr_read_map( file * fp ) +{ + char header[8] ; + unsigned short int w, h, c ; + uint32_t y ; + int bpp, code ; + GRAPH * gr ; + int st = 0; + PALETTE * pal = NULL; + + /* Carga los datos de cabecera */ + file_read( fp, header, 8 ) ; + + if ( strcmp( header, M32_MAGIC ) == 0 ) bpp = 32 ; + else if ( strcmp( header, M16_MAGIC ) == 0 ) bpp = 16 ; + else if ( strcmp( header, MAP_MAGIC ) == 0 ) bpp = 8 ; + else if ( strcmp( header, M01_MAGIC ) == 0 ) bpp = 1 ; + else return NULL ; + + file_readUint16( fp, &w ) ; + file_readUint16( fp, &h ) ; + file_readSint32( fp, &code ) ; + + gr = bitmap_new( code, w, h, bpp ) ; + if ( !gr ) return NULL ; + + file_read( fp, gr->name, 32 ) ; + gr->name[31] = 0 ; + + /* Datos de paleta */ + + if ( gr->format->depth == 8 ) + if ( !( pal = gr_read_pal_with_gamma( fp ) ) ) + { + bitmap_destroy( gr ); + return NULL ; + } + + /* Puntos de control */ + + file_readUint16( fp, &c ) ; + gr->ncpoints = c ; + + if ( gr->ncpoints ) + { + gr->cpoints = ( CPOINT * ) malloc( c * sizeof( CPOINT ) ) ; + if ( !gr->cpoints ) + { + bitmap_destroy( gr ); + pal_destroy( pal ); + return NULL ; + } + + for ( c = 0 ; c < gr->ncpoints ; c++ ) + { + file_readUint16( fp, &w ) ; + file_readUint16( fp, &h ) ; + if (( short int ) w == -1 && ( short int ) h == -1 ) + { + w = CPOINT_UNDEFINED; + h = CPOINT_UNDEFINED; + } + gr->cpoints[c].x = w ; + gr->cpoints[c].y = h ; + } + } + else + gr->cpoints = 0 ; + + /* Datos del gráfico */ + + for ( y = 0 ; y < gr->height ; y++ ) + { + uint8_t * line = ( uint8_t * )gr->data + gr->pitch * y; + + switch ( bpp ) + { + case 32: + st = file_readUint32A( fp, ( uint32_t * )line, gr->width ); + break; + + case 16: + st = file_readUint16A( fp, ( uint16_t * )line, gr->width ); + break; + + case 8: + case 1: + st = file_read( fp, line, gr->widthb ); + break; + } + + if ( !st ) + { + bitmap_destroy( gr ); + pal_destroy( pal ); + return NULL ; + } + } + + gr->format->palette = pal; +/* pal_use( pal ); */ + + gr->modified = 0 ; + bitmap_analize( gr ); + + return gr ; +} + +/* --------------------------------------------------------------------------- */ + +int gr_save_map( GRAPH * gr, char * filename ) +{ + int c, st = 0; + MAP_HEADER mh ; + uint8_t gamma[576]; + uint16_t cpoints; + + if ( !gr ) return 0; + + file * fp = file_open( filename, "wb" ); + if ( !fp ) return 0; + + switch ( gr->format->depth ) + { + case 8: + strcpy( ( char * ) mh.magic, MAP_MAGIC ); + break; + + case 32: + strcpy( ( char * ) mh.magic, M32_MAGIC ); + break; + + case 16: + strcpy( ( char * ) mh.magic, M16_MAGIC ); + break; + + case 1: + strcpy( ( char * ) mh.magic, M01_MAGIC ); + break; + } + + mh.version = 0x00; + mh.width = gr->width; + mh.height = gr->height; + mh.code = gr->code ; + strncpy( ( char * ) mh.name, gr->name, 32 ); + + file_write( fp, &mh, sizeof( MAP_HEADER ) ) ; + + if ( gr->format->depth == 8 ) + { + if ( gr->format->palette ) + { + file_write( fp, gr->format->palette->rgb, 768 ) ; + } + else if ( sys_pixel_format->palette ) + { + file_write( fp, sys_pixel_format->palette->rgb, 768 ) ; + } + else + { + file_write( fp, default_palette, 768 ) ; + } + memset( gamma, '\0', sizeof( gamma ) ); + file_write( fp, gamma, sizeof( gamma ) ) ; + } + + cpoints = gr->ncpoints; + file_writeUint16( fp, &cpoints ); + + for ( c = 0 ; c < gr->ncpoints ; c++ ) + { + file_writeUint16( fp, ( uint16_t * ) &gr->cpoints[c].x ) ; + file_writeUint16( fp, ( uint16_t * ) &gr->cpoints[c].y ) ; + } + + for ( c = 0 ; c < gr->height ; c++ ) + { + uint8_t * line = ( uint8_t * )gr->data + gr->pitch * c; + + switch ( gr->format->depth ) + { + case 32: + st = file_writeUint32A( fp, ( uint32_t * )line, gr->width ); + break; + + case 16: + st = file_writeUint16A( fp, ( uint16_t * )line, gr->width ); + break; + + case 8: + case 1: + st = file_write( fp, line, gr->widthb ); + break; + } + + if ( !st ) break; + } + + file_close( fp ) ; + + return 1; +} + +/* --------------------------------------------------------------------------- */ + +/* Funciones de carga de nivel superior */ + +int gr_load_map( const char * mapname ) +{ + GRAPH * gr ; + file * fp = file_open( mapname, "rb" ) ; + if ( !fp ) return 0 ; + + gr = gr_read_map( fp ) ; + file_close( fp ) ; + + if ( !gr ) return 0 ; + + // Don't matter the file code, we must force a new code... + gr->code = bitmap_next_code() ; + + grlib_add_map( 0, gr ) ; + return gr->code ; +} + +/* --------------------------------------------------------------------------- */ |