mirror of
https://github.com/libretro/scummvm.git
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142 lines
3.2 KiB
C++
142 lines
3.2 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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/* First part of the console implmentation: VM independent stuff */
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/* Remember, it doesn't have to be fast. */
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#include "sci/include/sci_memory.h"
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#include "sci/include/engine.h"
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#ifdef SCI_CONSOLE
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int con_passthrough = 0;
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FILE *con_file = NULL;
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static void(*_con_string_callback)(char*) = NULL;
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static void (*_con_pixmap_callback)(gfx_pixmap_t *) = NULL;
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/****************************************/
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/* sciprintf */
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/****************************************/
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int
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sciprintf(const char *fmt, ...) {
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va_list argp;
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size_t bufsize = 256;
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unsigned int i;
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char *buf = (char *) sci_malloc(bufsize);
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if (NULL == fmt) {
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fprintf(stderr, "console.c: sciprintf(): NULL passed for parameter fmt\n");
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return -1;
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}
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if (NULL == buf) {
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fprintf(stderr, "console.c: sciprintf(): malloc failed for buf\n");
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return -1;
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}
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va_start(argp, fmt);
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while ((i = vsnprintf(buf, bufsize - 1, fmt, argp)) == -1
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|| (i >= bufsize - 2)) {
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/* while we're out of space... */
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va_end(argp);
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va_start(argp, fmt); /* reset argp */
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free(buf);
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buf = (char *) sci_malloc(bufsize <<= 1);
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}
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va_end(argp);
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if (con_passthrough)
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printf("%s", buf);
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if (con_file)
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fprintf(con_file, "%s", buf);
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if (_con_string_callback)
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_con_string_callback(buf);
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else
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free(buf);
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return 1;
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}
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void
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con_set_string_callback(void(*callback)(char *)) {
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_con_string_callback = callback;
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}
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void
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con_set_pixmap_callback(void(*callback)(gfx_pixmap_t *)) {
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_con_pixmap_callback = callback;
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}
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int
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con_can_handle_pixmaps(void) {
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return _con_pixmap_callback != NULL;
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}
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int
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con_insert_pixmap(gfx_pixmap_t *pixmap) {
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if (_con_pixmap_callback)
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_con_pixmap_callback(pixmap);
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else
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return 1;
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return 0;
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}
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void
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open_console_file(char *filename) {
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if (con_file != NULL)
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fclose(con_file);
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if (NULL == filename) {
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fprintf(stderr, "console.c: open_console_file(): NULL passed for parameter filename\r\n");
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}
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#ifdef WIN32
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con_file = fopen(filename, "wt");
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#else
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con_file = fopen(filename, "w");
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#endif
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if (NULL == con_file)
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fprintf(stderr, "console.c: open_console_file(): Could not open output file %s\n", filename);
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}
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void
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close_console_file(void) {
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if (con_file != NULL) {
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fclose(con_file);
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con_file = NULL;
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}
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}
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#endif /* SCI_CONSOLE */
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