audio system kinda working

10 files changed, 89 insertions, 37 deletions

diff --git a/src/crepe/api/AudioSource.cpp b/src/crepe/api/AudioSource.cpp
index 4baac9a..c646aeb 100644
--- a/src/crepe/api/AudioSource.cpp
+++ b/src/crepe/api/AudioSource.cpp
@@ -15,6 +15,5 @@ void AudioSource::play(bool looping) {
 
 void AudioSource::stop() {
 	this->playing = false;
-	this->rewind = true;
 }
 
diff --git a/src/crepe/api/AudioSource.h b/src/crepe/api/AudioSource.h
index 9d76f0b..8dc1645 100644
--- a/src/crepe/api/AudioSource.h
+++ b/src/crepe/api/AudioSource.h
@@ -44,8 +44,6 @@ private:
 
 	//! If this source is playing audio
 	bool playing = false;
-	//! Rewind the sample location
-	bool rewind = false;
 
 private:
 	//! AudioSystem::ComponentPrivate
diff --git a/src/crepe/api/Config.h b/src/crepe/api/Config.h
index 693400a..7be506e 100644
--- a/src/crepe/api/Config.h
+++ b/src/crepe/api/Config.h
@@ -1,8 +1,10 @@
 #pragma once
 
+#include <string>
+
 #include "../util/Log.h"
+
 #include "types.h"
-#include <string>
 
 namespace crepe {
 
@@ -18,7 +20,20 @@ struct Config final {
 	static Config & get_instance();
 
 	//! Logging-related settings
-	Log::Config log;
+	struct {
+		/**
+		 * \brief Log level
+		 *
+		 * Only messages with equal or higher priority than this value will be logged.
+		 */
+		Log::Level level = Log::Level::INFO;
+		/**
+		 * \brief Colored log output
+		 *
+		 * Enables log coloring using ANSI escape codes.
+		 */
+		bool color = true;
+	} log;
 
 	//! Save manager
 	struct {
@@ -62,6 +77,12 @@ struct Config final {
 		 */
 		std::string root_pattern = ".crepe-root";
 	} asset;
+
+	//! Audio system settings
+	struct {
+		//! Max amount of simultanious voices
+		unsigned int voices = 32;
+	} audio;
 };
 
 } // namespace crepe
diff --git a/src/crepe/facade/Sound.h b/src/crepe/facade/Sound.h
index 10d7c3c..35bccdb 100644
--- a/src/crepe/facade/Sound.h
+++ b/src/crepe/facade/Sound.h
@@ -20,13 +20,8 @@ public:
 	Sound(const Asset & src);
 	~Sound(); // dbg_trace
 
-	class Handle {
-	private:
+	struct Handle {
 		SoLoud::handle handle;
-		float volume = 1.0f;
-		bool looping = false;
-
-		friend class SoundContext;
 	};
 
 private:
diff --git a/src/crepe/facade/SoundContext.cpp b/src/crepe/facade/SoundContext.cpp
index b65dfb2..3e9a3d1 100644
--- a/src/crepe/facade/SoundContext.cpp
+++ b/src/crepe/facade/SoundContext.cpp
@@ -6,10 +6,37 @@ using namespace crepe;
 
 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();
 }
+
+Sound::Handle SoundContext::play(Sound & resource) {
+	return {
+		.handle = this->engine.play(resource.sample, this->default_volume),
+	};
+}
+
+void SoundContext::stop(Sound::Handle & handle) {
+	this->engine.stop(handle.handle);
+}
+
+void SoundContext::set_volume(Sound & resource, Sound::Handle & handle, float volume) {
+	this->engine.setVolume(handle.handle, volume);
+	this->default_volume = volume;
+}
+
+void SoundContext::set_loop(Sound & resource, Sound::Handle & handle, bool loop) {
+	this->engine.setLooping(handle.handle, loop);
+}
+
+bool SoundContext::get_playing(Sound::Handle & handle) {
+	// See Soloud::stopVoice_internal in soloud/src/core/soloud_core_voiceops.cpp for why this is
+	// the correct method to use here (samples are currently never paused)
+	return this->engine.isValidVoiceHandle(handle.handle);
+}
+
diff --git a/src/crepe/facade/SoundContext.h b/src/crepe/facade/SoundContext.h
index 286ced8..e02977e 100644
--- a/src/crepe/facade/SoundContext.h
+++ b/src/crepe/facade/SoundContext.h
@@ -2,6 +2,8 @@
 
 #include <soloud/soloud.h>
 
+#include "../api/Config.h"
+
 #include "Sound.h"
 
 namespace crepe {
@@ -22,9 +24,17 @@ public:
 	SoundContext & operator=(const SoundContext &) = delete;
 	SoundContext & operator=(SoundContext &&) = delete;
 
+	Sound::Handle play(Sound & resource);
+	void stop(Sound::Handle &);
+	void set_volume(Sound &, Sound::Handle &, float);
+	void set_loop(Sound &, Sound::Handle &, bool);
+	bool get_playing(Sound::Handle &);
 
 private:
 	SoLoud::Soloud engine;
+	float default_volume = 1.0f;
+
+	Config & config = Config::get_instance();
 };
 
 } // namespace crepe
diff --git a/src/crepe/system/AudioSystem.cpp b/src/crepe/system/AudioSystem.cpp
index 191dbbb..98aff58 100644
--- a/src/crepe/system/AudioSystem.cpp
+++ b/src/crepe/system/AudioSystem.cpp
@@ -20,6 +20,7 @@ void AudioSystem::update() {
 		if (component.private_data.empty()) {
 			auto & data = component.private_data.set<ComponentPrivate>();
 			this->update_last(component, data);
+			data.last_playing = false; // always start
 		}
 		auto & data = component.private_data.get<ComponentPrivate>();
 
@@ -29,18 +30,35 @@ void AudioSystem::update() {
 	}
 }
 
-void AudioSystem::diff_update(AudioSource & component, const ComponentPrivate & data, Sound & resource) {
+void AudioSystem::diff_update(AudioSource & component, ComponentPrivate & data, Sound & resource) {
 	bool update_playing = component.playing != data.last_playing;
 	bool update_volume = component.volume != data.last_volume;
 	bool update_loop = component.loop != data.last_loop;
 	bool update_active = component.active != data.last_active;
 
-	if (update_active)
-	if (component.rewind) {
-		component.playing = false;
-		// this->context.rewind(resource, data.handle);
+	if (update_active) {
+		if (component.active) {
+			update_playing = true;
+			if (component.play_on_awake)
+				component.playing = true;
+		} else {
+			this->context.stop(data.handle);
+			return;
+		}
+	}
+	if (!component.active) return;
+	if (update_playing) {
+		if (component.playing) data.handle = this->context.play(resource);
+		else this->context.stop(data.handle);
+	} else {
+		component.playing = this->context.get_playing(data.handle);
+	}
+	if (update_volume) {
+		this->context.set_volume(resource, data.handle, component.volume);
+	}
+	if (update_loop) {
+		this->context.set_loop(resource, data.handle, component.loop);
 	}
-
 }
 
 void AudioSystem::update_last(const AudioSource & component, ComponentPrivate & data) {
diff --git a/src/crepe/system/AudioSystem.h b/src/crepe/system/AudioSystem.h
index 4650178..3404878 100644
--- a/src/crepe/system/AudioSystem.h
+++ b/src/crepe/system/AudioSystem.h
@@ -34,7 +34,7 @@ private:
 
 	void update_last(const AudioSource & component, ComponentPrivate & data);
 
-	void diff_update(AudioSource & component, const ComponentPrivate & data, Sound & resource);
+	void diff_update(AudioSource & component, ComponentPrivate & data, Sound & resource);
 
 private:
 	SoundContext context {};
diff --git a/src/crepe/util/Log.cpp b/src/crepe/util/Log.cpp
index bc86c7e..84d80a8 100644
--- a/src/crepe/util/Log.cpp
+++ b/src/crepe/util/Log.cpp
@@ -25,7 +25,7 @@ string Log::prefix(const Level & level) {
 }
 
 void Log::log(const Level & level, const string & msg) {
-	auto & cfg = crepe::Config::get_instance();
+	auto & cfg = Config::get_instance();
 	if (level < cfg.log.level) return;
 
 	string out = Log::prefix(level) + msg;
diff --git a/src/crepe/util/Log.h b/src/crepe/util/Log.h
index 914145a..fc0bb3a 100644
--- a/src/crepe/util/Log.h
+++ b/src/crepe/util/Log.h
@@ -77,22 +77,6 @@ private:
 	 * \return Colored message severity prefix string
 	 */
 	static std::string prefix(const Level & level);
-
-public:
-	struct Config {
-		/**
-		 * \brief Log level
-		 *
-		 * Only messages with equal or higher priority than this value will be logged.
-		 */
-		Level level = INFO;
-		/**
-		 * \brief Colored log output
-		 *
-		 * Enables log coloring using ANSI escape codes.
-		 */
-		bool color = true;
-	};
 };
 
 } // namespace crepe