added some hackish support for the DIGI SFX format used in Putt-Putt demo

svn-id: r4451

2 files changed, 26 insertions, 0 deletions

diff --git a/resource.cpp b/resource.cpp
index 5d4c856836..298a7f0a7b 100644
--- a/resource.cpp
+++ b/resource.cpp
@@ -689,6 +689,15 @@ int Scumm::readSoundResource(int type, int idx)
 		total_size = fileReadDwordBE();
 		fileRead(_fileHandle, createResource(type, idx, total_size), total_size - 8);
 		return 1;
+	} else if (basetag == MKID('DIGI')) {
+		// Use in Putt-Putt Demo
+		debug(1, "Found base tag DIGI in sound %d, size %d", idx, total_size);
+		debug(1, "It was at position %d", filePos(_fileHandle));
+
+		fileSeek(_fileHandle, -12, SEEK_CUR);
+		total_size = fileReadDwordBE();
+		fileRead(_fileHandle, createResource(type, idx, total_size), total_size - 8);
+		return 1;
 	} else {
 		fprintf(stderr, "WARNING: Unrecognized base tag 0x%08lx in sound %d\n",
 					basetag, idx);
diff --git a/sound.cpp b/sound.cpp
index d29e1b602e..251b61a02e 100644
--- a/sound.cpp
+++ b/sound.cpp
@@ -203,6 +203,23 @@ void Scumm::playSound(int sound)
 		_mixer->play_raw(NULL, sound, size, rate, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
 		return;
 	}
+	// Support for Putt-Putt sounds - very hackish, too 8-)
+	else if (ptr != NULL && READ_UINT32_UNALIGNED(ptr) == MKID('DIGI')) {
+		// TODO - discover what data the first chunk, HSHD, contains
+		// it might be useful here.
+		ptr += 8 + READ_UINT32_UNALIGNED(ptr+12);
+		if (READ_UINT32_UNALIGNED(ptr) != MKID('SDAT'))
+			return;	// abort
+
+		int size = READ_UINT32_UNALIGNED(ptr+4);
+		int rate = 8000;	// FIXME - what value here ?!? this is just a guess for now
+		
+		// Allocate a sound buffer, copy the data into it, and play
+		char *sound = (char*)malloc(size);
+		memcpy(sound, ptr+8, size);
+		_mixer->play_raw(NULL, sound, size, rate, SoundMixer::FLAG_UNSIGNED | SoundMixer::FLAG_AUTOFREE);
+		return;
+	}
 
 	if ((_features & GF_OLD256) || (_gameId == GID_MONKEY_VGA))
 		return;											/* FIXME */