Initial commit

engines/grim/imuse/imuse_track.h

@@ -0,0 +1,125 @@
+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef GRIM_IMUSE_TRACK_H
+#define GRIM_IMUSE_TRACK_H
+
+#include "engines/grim/imuse/imuse_sndmgr.h"
+
+namespace Grim {
+
+enum {
+	kFlagUnsigned = 1 << 0,
+	kFlag16Bits = 1 << 1,
+	kFlagLittleEndian = 1 << 2,
+	kFlagStereo = 1 << 3,
+	kFlagReverseStereo = 1 << 4
+};
+
+struct Track {
+	int trackId;
+
+	int32 pan;
+	int32 panFadeDest;
+	int32 panFadeStep;
+	int32 panFadeDelay;
+	bool panFadeUsed;
+	int32 vol;
+	int32 volFadeDest;
+	int32 volFadeStep;
+	int32 volFadeDelay;
+	bool volFadeUsed;
+
+	char soundName[32];
+	bool used;
+	bool toBeRemoved;
+	int32 priority;
+	int32 regionOffset;
+	int32 dataOffset;
+	int32 curRegion;
+	int32 curHookId;
+	int32 volGroupId;
+	int32 feedSize;
+	int32 mixerFlags;
+
+	ImuseSndMgr::SoundDesc *soundDesc;
+	Audio::SoundHandle handle;
+	Audio::QueuingAudioStream *stream;
+
+	Track() {
+		clear();
+	}
+
+	void clear() {
+		trackId = 0;
+
+		pan = 0;
+		panFadeDest = 0;
+		panFadeStep = 0;
+		panFadeDelay = 0;
+		panFadeUsed = 0;
+		vol = 0;
+		volFadeDest = 0;
+		volFadeStep = 0;
+		volFadeDelay = 0;
+		volFadeUsed = 0;
+
+		for (uint i = 0; i < ARRAYSIZE(soundName); i++) {
+			soundName[i] = 0;
+		}
+		used = false;
+		toBeRemoved = false;
+		priority = 0;
+		regionOffset = 0;
+		dataOffset = 0;
+		curRegion = 0;
+		curHookId = 0;
+		volGroupId = 0;
+		feedSize = 0;
+		mixerFlags = 0;
+
+		soundDesc = nullptr;
+		// handle not cleared. FIXME: Clear by resetting _val to default (0xFFFFFFFF not 0)?
+		stream = nullptr;
+	}
+
+	/* getPan() returns -127 ... 127 */
+	int getPan() const { return (pan != 64000) ? 2 * (pan / 1000) - 127 : 0; }
+	int getVol() const { return vol / 1000; }
+	Audio::Mixer::SoundType getType() const {
+		Audio::Mixer::SoundType type = Audio::Mixer::kPlainSoundType;
+		if (volGroupId == IMUSE_VOLGRP_VOICE)
+			type = Audio::Mixer::kSpeechSoundType;
+		else if (volGroupId == IMUSE_VOLGRP_SFX)
+			type = Audio::Mixer::kSFXSoundType;
+		else if (volGroupId == IMUSE_VOLGRP_MUSIC)
+			type = Audio::Mixer::kMusicSoundType;
+		else if (volGroupId == IMUSE_VOLGRP_BGND)
+			type = Audio::Mixer::kPlainSoundType;
+		else if (volGroupId == IMUSE_VOLGRP_ACTION)
+			type = Audio::Mixer::kPlainSoundType;
+		return type;
+	}
+};
+
+} // end of namespace Grim
+
+#endif