Merge remote-tracking branch 'origin/master' into max/AI

5 files changed, 106 insertions, 128 deletions

diff --git a/src/crepe/facade/Sound.cpp b/src/crepe/facade/Sound.cpp
index 4d3abf5..ad50637 100644
--- a/src/crepe/facade/Sound.cpp
+++ b/src/crepe/facade/Sound.cpp
@@ -1,59 +1,13 @@
+#include "../api/Asset.h"
 #include "../util/Log.h"
 
 #include "Sound.h"
-#include "SoundContext.h"
 
 using namespace crepe;
 using namespace std;
 
-Sound::Sound(unique_ptr<Asset> res) {
+Sound::Sound(const Asset & src) : Resource(src) {
+	this->sample.load(src.get_path().c_str());
 	dbg_trace();
-	this->load(std::move(res));
-}
-
-Sound::Sound(const char * src) {
-	dbg_trace();
-	this->load(make_unique<Asset>(src));
-}
-
-void Sound::load(unique_ptr<Asset> res) { this->sample.load(res->get_path().c_str()); }
-
-void Sound::play() {
-	SoundContext & ctx = SoundContext::get_instance();
-	if (ctx.engine.getPause(this->handle)) {
-		// resume if paused
-		ctx.engine.setPause(this->handle, false);
-	} else {
-		// or start new sound
-		this->handle = ctx.engine.play(this->sample, this->volume);
-		ctx.engine.setLooping(this->handle, this->looping);
-	}
-}
-
-void Sound::pause() {
-	SoundContext & ctx = SoundContext::get_instance();
-	if (ctx.engine.getPause(this->handle)) return;
-	ctx.engine.setPause(this->handle, true);
-}
-
-void Sound::rewind() {
-	SoundContext & ctx = SoundContext::get_instance();
-	if (!ctx.engine.isValidVoiceHandle(this->handle)) return;
-	ctx.engine.seek(this->handle, 0);
-}
-
-void Sound::set_volume(float volume) {
-	this->volume = volume;
-
-	SoundContext & ctx = SoundContext::get_instance();
-	if (!ctx.engine.isValidVoiceHandle(this->handle)) return;
-	ctx.engine.setVolume(this->handle, this->volume);
-}
-
-void Sound::set_looping(bool looping) {
-	this->looping = looping;
-
-	SoundContext & ctx = SoundContext::get_instance();
-	if (!ctx.engine.isValidVoiceHandle(this->handle)) return;
-	ctx.engine.setLooping(this->handle, this->looping);
 }
+Sound::~Sound() { dbg_trace(); }
diff --git a/src/crepe/facade/Sound.h b/src/crepe/facade/Sound.h
index ee43d94..85d141b 100644
--- a/src/crepe/facade/Sound.h
+++ b/src/crepe/facade/Sound.h
@@ -1,84 +1,30 @@
 #pragma once
 
-#include <memory>
 #include <soloud/soloud.h>
 #include <soloud/soloud_wav.h>
 
-#include "../api/Asset.h"
+#include "../Resource.h"
 
 namespace crepe {
 
+class SoundContext;
+
 /**
  * \brief Sound resource facade
  *
- * This class is a wrapper around a \c SoLoud::Wav instance, which holds a
- * single sample. It is part of the sound facade.
+ * This class is a wrapper around a \c SoLoud::Wav instance, which holds a single sample. It is
+ * part of the sound facade.
  */
-class Sound {
-public:
-	/**
-	 * \brief Pause this sample
-	 *
-	 * Pauses this sound if it is playing, or does nothing if it is already paused. The playhead
-	 * position is saved, such that calling \c play() after this function makes the sound resume.
-	 */
-	void pause();
-	/**
-	 * \brief Play this sample
-	 *
-	 * Resume playback if this sound is paused, or start from the beginning of the sample.
-	 *
-	 * \note This class only saves a reference to the most recent 'voice' of this sound. Calling
-	 * \c play() while the sound is already playing causes multiple instances of the sample to
-	 * play simultaniously. The sample started last is the one that is controlled afterwards.
-	 */
-	void play();
-	/**
-	 * \brief Reset playhead position
-	 *
-	 * Resets the playhead position so that calling \c play() after this function makes it play
-	 * from the start of the sample. If the sound is not paused before calling this function,
-	 * this function will stop playback.
-	 */
-	void rewind();
-	/**
-	 * \brief Set playback volume / gain
-	 *
-	 * \param volume  Volume (0 = muted, 1 = full volume)
-	 */
-	void set_volume(float volume);
-	/**
-	 * \brief Get playback volume / gain
-	 *
-	 * \return Volume
-	 */
-	float get_volume() const { return this->volume; }
-	/**
-	 * \brief Set looping behavior for this sample
-	 *
-	 * \param looping  Looping behavior (false = one-shot, true = loop)
-	 */
-	void set_looping(bool looping);
-	/**
-	 * \brief Get looping behavior
-	 *
-	 * \return true if looping, false if one-shot
-	 */
-	bool get_looping() const { return this->looping; }
-
+class Sound : public Resource {
 public:
-	Sound(const char * src);
-	Sound(std::unique_ptr<Asset> res);
-
-private:
-	void load(std::unique_ptr<Asset> res);
+	Sound(const Asset & src);
+	~Sound(); // dbg_trace
 
 private:
+	//! Deserialized resource (soloud)
 	SoLoud::Wav sample;
-	SoLoud::handle handle;
-
-	float volume = 1.0f;
-	bool looping = false;
+	//! SoundContext uses \c sample
+	friend class SoundContext;
 };
 
 } // namespace crepe
diff --git a/src/crepe/facade/SoundContext.cpp b/src/crepe/facade/SoundContext.cpp
index deb2b62..b1f8cb3 100644
--- a/src/crepe/facade/SoundContext.cpp
+++ b/src/crepe/facade/SoundContext.cpp
@@ -4,17 +4,33 @@
 
 using namespace crepe;
 
-SoundContext & SoundContext::get_instance() {
-	static SoundContext instance;
-	return instance;
-}
-
 SoundContext::SoundContext() {
 	dbg_trace();
-	engine.init();
+	this->engine.init();
+	this->engine.setMaxActiveVoiceCount(this->config.audio.voices);
 }
 
 SoundContext::~SoundContext() {
 	dbg_trace();
-	engine.deinit();
+	this->engine.deinit();
+}
+
+SoundHandle SoundContext::play(Sound & resource) {
+	SoLoud::handle real_handle = this->engine.play(resource.sample, 1.0f);
+	SoundHandle handle = this->next_handle;
+	this->registry[handle] = real_handle;
+	this->next_handle++;
+	return handle;
+}
+
+void SoundContext::stop(const SoundHandle & handle) {
+	this->engine.stop(this->registry[handle]);
+}
+
+void SoundContext::set_volume(const SoundHandle & handle, float volume) {
+	this->engine.setVolume(this->registry[handle], volume);
+}
+
+void SoundContext::set_loop(const SoundHandle & handle, bool loop) {
+	this->engine.setLooping(this->registry[handle], loop);
 }
diff --git a/src/crepe/facade/SoundContext.h b/src/crepe/facade/SoundContext.h
index d703c16..d986c59 100644
--- a/src/crepe/facade/SoundContext.h
+++ b/src/crepe/facade/SoundContext.h
@@ -2,30 +2,80 @@
 
 #include <soloud/soloud.h>
 
+#include "../api/Config.h"
+
 #include "Sound.h"
+#include "SoundHandle.h"
 
 namespace crepe {
 
 /**
  * \brief Sound engine facade
  *
- * This class is a wrapper around a \c SoLoud::Soloud instance, which provides
- * the methods for playing \c Sound instances. It is part of the sound facade.
+ * This class is a wrapper around a \c SoLoud::Soloud instance, which provides the methods for
+ * playing \c Sound instances. It is part of the sound facade.
  */
 class SoundContext {
-private:
-	// singleton
+public:
 	SoundContext();
 	virtual ~SoundContext();
+
 	SoundContext(const SoundContext &) = delete;
 	SoundContext(SoundContext &&) = delete;
 	SoundContext & operator=(const SoundContext &) = delete;
 	SoundContext & operator=(SoundContext &&) = delete;
 
+	/**
+	 * \brief Play a sample
+	 *
+	 * Plays a Sound from the beginning of the sample and returns a handle to control it later.
+	 *
+	 * \param resource Sound instance to play
+	 *
+	 * \returns Handle to control this voice
+	 */
+	virtual SoundHandle play(Sound & resource);
+	/**
+	 * \brief Stop a voice immediately if it is still playing
+	 *
+	 * \note This function does nothing if the handle is invalid or if the sound is already
+	 * stopped / finished playing.
+	 *
+	 * \param handle Voice handle returned by SoundContext::play
+	 */
+	virtual void stop(const SoundHandle & handle);
+	/**
+	 * \brief Change the volume of a voice
+	 *
+	 * \note This function does nothing if the handle is invalid or if the sound is already
+	 * stopped / finished playing.
+	 *
+	 * \param handle Voice handle returned by SoundContext::play
+	 * \param volume New gain value (0=silent, 1=default)
+	 */
+	virtual void set_volume(const SoundHandle & handle, float volume);
+	/**
+	 * \brief Set the looping behavior of a voice
+	 *
+	 * \note This function does nothing if the handle is invalid or if the sound is already
+	 * stopped / finished playing.
+	 *
+	 * \param handle Voice handle returned by SoundContext::play
+	 * \param loop Looping behavior (false=oneshot, true=loop)
+	 */
+	virtual void set_loop(const SoundHandle & handle, bool loop);
+
 private:
-	static SoundContext & get_instance();
+	//! Abstracted class
 	SoLoud::Soloud engine;
-	friend class Sound;
+
+	//! Config reference
+	Config & config = Config::get_instance();
+
+	//! Sound handle registry
+	std::unordered_map<SoundHandle, SoLoud::handle> registry;
+	//! Unique handle counter
+	SoundHandle next_handle = 0;
 };
 
 } // namespace crepe
diff --git a/src/crepe/facade/SoundHandle.h b/src/crepe/facade/SoundHandle.h
new file mode 100644
index 0000000..b7925fc
--- /dev/null
+++ b/src/crepe/facade/SoundHandle.h
@@ -0,0 +1,12 @@
+#pragma once
+
+#include <cstddef>
+
+namespace crepe {
+
+/**
+ * \brief Voice handle returned by
+ */
+typedef size_t SoundHandle;
+
+} // namespace crepe