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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "glk/hugo/hugo.h"
namespace Glk {
namespace Hugo {
int Hugo::loadres(HUGO_FILE infile, int reslen, int type) {
char buf[4096];
frefid_t fileref;
strid_t stream;
long offset;
int idVal;
int i, n;
offset = hugo_ftell(infile);
for (i = 0; i < numres[type]; i++)
if (resids[type][i] == offset)
return i;
/* Too many resources loaded... */
if (numres[type] + 1 == MAXRES)
return -1;
idVal = numres[type]++;
sprintf(buf, "%s%d", type == PIC ? "PIC" : "SND", idVal);
resids[type][idVal] = offset;
fileref = glk_fileref_create_by_name(fileusage_Data, buf, 0);
if (!fileref)
{
return -1;
}
stream = glk_stream_open_file(fileref, filemode_Write, 0);
if (!stream)
{
glk_fileref_destroy(fileref);
return -1;
}
glk_fileref_destroy(fileref);
while (reslen > 0)
{
n = hugo_fread(buf, 1, reslen < (int)sizeof(buf) ? reslen : sizeof(buf), infile);
if (n <= 0)
break;
glk_put_buffer_stream(stream, buf, n);
reslen -= n;
}
glk_stream_close(stream, NULL);
return idVal;
}
int Hugo::hugo_hasgraphics() {
/* Returns true if the current display is capable of graphics display */
return glk_gestalt(gestalt_Graphics, 0)
&& glk_gestalt(gestalt_DrawImage, glk_window_get_type(mainwin));
}
int Hugo::hugo_displaypicture(HUGO_FILE infile, long reslen) {
int idVal;
/* Ignore the call if the current window is set elsewhere. */
if (currentwin != NULL && currentwin != mainwin)
{
hugo_fclose(infile);
return false;
}
idVal = loadres(infile, reslen, PIC);
if (idVal < 0)
{
hugo_fclose(infile);
return false;
}
#if 0
/* Get picture width and height for scaling. */
glui32 width, height;
if (glk_image_get_info(idVal, &width, &height))
{
/* Scale large images. */
if (width > PIC_MAX_WIDTH)
{
height = height * PIC_MAX_WIDTH / width;
width = PIC_MAX_WIDTH;
}
if (height > PIC_MAX_HEIGHT)
{
width = width * PIC_MAX_HEIGHT / height;
height = PIC_MAX_HEIGHT;
}
}
#endif
hugo_fclose(infile);
/* Draw, then move cursor down to the next line. */
glk_image_draw(mainwin, idVal, imagealign_InlineUp, 0);
glk_put_char('\n');
return true;
}
void Hugo::initsound() {
if (!glk_gestalt(gestalt_Sound, 0))
return;
schannel = glk_schannel_create(0);
}
void Hugo::initmusic() {
if (!glk_gestalt(gestalt_Sound, 0) || !glk_gestalt(gestalt_SoundMusic, 0))
return;
mchannel = glk_schannel_create(0);
}
int Hugo::hugo_playmusic(HUGO_FILE infile, long reslen, char loop_flag) {
int idVal;
if (!mchannel)
initmusic();
if (mchannel)
{
idVal = loadres(infile, reslen, SND);
if (idVal < 0)
{
hugo_fclose(infile);
return false;
}
glk_schannel_play_ext(mchannel, idVal, loop_flag ? -1 : 1, 0);
}
hugo_fclose(infile);
return true;
}
void Hugo::hugo_musicvolume(int vol) {
if (!mchannel) initmusic();
if (!mchannel) return;
glk_schannel_set_volume(mchannel, (vol * 0x10000) / 100);
}
void Hugo::hugo_stopmusic() {
if (!mchannel) initmusic();
if (!mchannel) return;
glk_schannel_stop(mchannel);
}
int Hugo::hugo_playsample(HUGO_FILE infile, long reslen, char loop_flag) {
int idVal;
if (schannel)
{
idVal = loadres(infile, reslen, SND);
if (idVal < 0)
{
hugo_fclose(infile);
return false;
}
glk_schannel_play_ext(schannel, idVal, loop_flag ? -1 : 1, 0);
}
hugo_fclose(infile);
return true;
}
void Hugo::hugo_samplevolume(int vol) {
if (!schannel) initsound();
if (!schannel) return;
glk_schannel_set_volume(schannel, (vol * 0x10000) / 100);
}
void Hugo::hugo_stopsample() {
if (!schannel) initsound();
if (!schannel) return;
glk_schannel_stop(schannel);
}
} // End of namespace Hugo
} // End of namespace Glk
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