KYRA: Make more methods of Sound const.

2 files changed, 11 insertions, 11 deletions

diff --git a/engines/kyra/sound.cpp b/engines/kyra/sound.cpp
index 77fd8e2346..e58e0c6359 100644
--- a/engines/kyra/sound.cpp
+++ b/engines/kyra/sound.cpp
@@ -59,7 +59,7 @@ bool Sound::isPlaying() const {
 	return false;
 }
 
-bool Sound::voiceFileIsPresent(const char *file) {
+bool Sound::voiceFileIsPresent(const char *file) const {
 	for (int i = 0; _supportedCodecs[i].fileext; ++i) {
 		Common::String f = file;
 		f += _supportedCodecs[i].fileext;
@@ -70,7 +70,7 @@ bool Sound::voiceFileIsPresent(const char *file) {
 	return false;
 }
 
-bool Sound::isVoicePresent(const char *file) {
+bool Sound::isVoicePresent(const char *file) const {
 	char filenamebuffer[25];
 
 	for (int i = 0; _supportedCodecs[i].fileext; ++i) {
@@ -96,7 +96,7 @@ int32 Sound::voicePlay(const char *file, Audio::SoundHandle *handle, uint8 volum
 	return playTime;
 }
 
-Audio::SeekableAudioStream *Sound::getVoiceStream(const char *file) {
+Audio::SeekableAudioStream *Sound::getVoiceStream(const char *file) const {
 	char filenamebuffer[25];
 
 	Audio::SeekableAudioStream *audioStream = 0;
@@ -152,7 +152,7 @@ void Sound::voiceStop(const Audio::SoundHandle *handle) {
 	}
 }
 
-bool Sound::voiceIsPlaying(const Audio::SoundHandle *handle) {
+bool Sound::voiceIsPlaying(const Audio::SoundHandle *handle) const {
 	if (!handle) {
 		for (int h = 0; h < kNumChannelHandles; ++h) {
 			if (_mixer->isSoundHandleActive(_soundChannels[h]))
@@ -165,7 +165,7 @@ bool Sound::voiceIsPlaying(const Audio::SoundHandle *handle) {
 	return false;
 }
 
-bool Sound::allVoiceChannelsPlaying() {
+bool Sound::allVoiceChannelsPlaying() const {
 	for (int i = 0; i < kNumChannelHandles; ++i)
 		if (!_mixer->isSoundHandleActive(_soundChannels[i]))
 			return false;
diff --git a/engines/kyra/sound.h b/engines/kyra/sound.h
index 36e7058182..fb1f58d154 100644
--- a/engines/kyra/sound.h
+++ b/engines/kyra/sound.h
@@ -163,7 +163,7 @@ public:
 	void enableSFX(bool enable) { _sfxEnabled = enable; }
 	bool sfxEnabled() const { return _sfxEnabled; }
 
-	virtual bool voiceFileIsPresent(const char *file);
+	virtual bool voiceFileIsPresent(const char *file) const;
 
 	/**
 	 * Checks whether a voice file with the given name is present
@@ -171,7 +171,7 @@ public:
 	 * @param file     file name
 	 * @return true if available, false otherwise
 	 */
-	bool isVoicePresent(const char *file);
+	bool isVoicePresent(const char *file) const;
 
 	/**
 	 * Plays the specified voice file.
@@ -188,7 +188,7 @@ public:
 	 */
 	virtual int32 voicePlay(const char *file, Audio::SoundHandle *handle = 0, uint8 volume = 255, bool isSfx = false);
 
-	Audio::SeekableAudioStream *getVoiceStream(const char *file);
+	Audio::SeekableAudioStream *getVoiceStream(const char *file) const;
 
 	bool playVoiceStream(Audio::AudioStream *stream, Audio::SoundHandle *handle = 0, uint8 volume = 255, bool isSfx = false);
 
@@ -197,21 +197,21 @@ public:
 	 *
 	 * @return true when playing, else false
 	 */
-	bool voiceIsPlaying(const Audio::SoundHandle *handle = 0);
+	bool voiceIsPlaying(const Audio::SoundHandle *handle = 0) const;
 
 	/**
 	 * Checks if all voice handles are used.
 	 *
 	 * @return false when a handle is free, else true
 	 */
-	bool allVoiceChannelsPlaying();
+	bool allVoiceChannelsPlaying() const;
 
 	/**
 	 * Checks how long a voice has been playing
 	 *
 	 * @return time in milliseconds
 	 */
-	uint32 voicePlayedTime(const Audio::SoundHandle &handle) {
+	uint32 voicePlayedTime(const Audio::SoundHandle &handle) const {
 		return _mixer->getSoundElapsedTime(handle);
 	}