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(svn r6742) - Newsounds: Add support for importing sounds from previously loaded GRF files.

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peter1138 2006-10-12 07:42:37 +00:00
parent 2ba8bf37b9
commit 5df31095f7
1 changed files with 54 additions and 0 deletions
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54
newgrf.c
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@ -2803,6 +2803,57 @@ static void GRFSound(byte *buf, int len)
if (_cur_grffile->sound_offset == 0) _cur_grffile->sound_offset = GetNumSounds();
}
static void ImportGRFSound(byte *buf, int len)
{
const GRFFile *file;
FileEntry *se = AllocateFileEntry();
uint32 grfid = grf_load_dword(&buf);
uint16 sound = grf_load_word(&buf);
file = GetFileByGRFID(grfid);
if (file == NULL || file->sound_offset == 0) {
grfmsg(GMS_WARN, "ImportGRFSound: Source file not available.");
return;
}
if (file->sound_offset + sound >= GetNumSounds()) {
grfmsg(GMS_WARN, "ImportGRFSound: Sound effect %d is invalid.", sound);
return;
}
grfmsg(GMS_NOTICE, "ImportGRFSound: Copying sound %d (%d) from file %X", sound, file->sound_offset + sound, grfid);
memcpy(se, GetSound(file->sound_offset + sound), sizeof(*se));
/* Reset volume and priority, which TTDPatch doesn't copy */
se->volume = 128;
se->priority = 0;
}
/* 'Action 0xFE' */
static void GRFImportBlock(byte *buf, int len)
{
if (_grf_data_blocks == 0) {
grfmsg(GMS_WARN, "GRFImportBlock: Unexpected import block, skipping.");
return;
}
buf++;
_grf_data_blocks--;
/* XXX 'Action 0xFE' isn't really specified. It is only mentioned for
* importing sounds, so this is probably all wrong... */
if (grf_load_byte(&buf) != _grf_data_type) {
grfmsg(GMS_WARN, "GRFImportBlock: Import type mismatch.");
}
switch (_grf_data_type) {
case GDT_SOUND: ImportGRFSound(buf, len - 1); break;
default: NOT_REACHED(); break;
}
}
static void LoadGRFSound(byte *buf, int len)
{
byte *buf_start = buf;
@ -3218,6 +3269,9 @@ static void DecodeSpecialSprite(uint num, uint stage)
if (action == 0xFF) {
DEBUG(grf, 7) ("Handling data block in stage %d", stage);
GRFDataBlock(buf, num);
} else if (action == 0xFE) {
DEBUG(grf, 7) ("Handling import block in stage %d", stage);
GRFImportBlock(buf, num);
} else if (action >= lengthof(handlers)) {
DEBUG(grf, 7) ("Skipping unknown action 0x%02X", action);
} else if (!HASBIT(action_mask[stage], action)) {