Initial commit

engines/icb/sound/direct_sound.cpp

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+/* 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.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1999-2000 Revolution Software Ltd.
+ * This code is based on source code created by Revolution Software,
+ * used with permission.
+ *
+ * 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/>.
+ *
+ */
+
+#include "engines/icb/sound/direct_sound.h"
+#include "engines/icb/sound/music_manager.h"
+#include "engines/icb/sound/speech_manager.h"
+#include "engines/icb/sound/fx_manager.h"
+#include "engines/icb/sound.h"
+#include "engines/icb/icb.h"
+
+#include "audio/mixer.h"
+
+#include "common/system.h"
+#include "common/timer.h"
+
+namespace ICB {
+
+MusicManager *g_theMusicManager = nullptr;
+SpeechManager *g_theSpeechManager = nullptr;
+FxManager *g_theFxManager = nullptr;
+bool8 g_TimerOn = TRUE8;
+
+Common::TimerManager::TimerProc g_timer_id;
+
+void SoundEngineTimer(void *ignored) {
+	if (g_TimerOn) {
+		UpdateSounds10Hz();
+		Poll_Sound_Engine();
+	}
+}
+
+bool8 Init_Sound_Engine() {
+	// Create a timer to poll the sound engine at 100 millisecond intervals
+	g_system->getTimerManager()->installTimerProc(SoundEngineTimer, 100 * 1000, nullptr, "SoundEngineTimer");
+
+	// Initalize the other sections (ie music, fx and speech)
+	g_theMusicManager = new MusicManager();
+	g_theSpeechManager = new SpeechManager();
+	g_theFxManager = new FxManager;
+
+	return TRUE8;
+}
+
+bool8 Close_Sound_Engine() {
+	// Kill the sound engine timer
+	g_system->getTimerManager()->removeTimerProc(g_timer_id);
+
+	// Destroy the fx manager
+	if (g_theFxManager) {
+		delete g_theFxManager;
+		g_theFxManager = nullptr;
+	}
+
+	// Destroy the music manager
+	if (g_theMusicManager) {
+		delete g_theMusicManager;
+		g_theMusicManager = nullptr;
+	}
+
+	// Destroy the speech manager
+	if (g_theSpeechManager) {
+		delete g_theSpeechManager;
+		g_theSpeechManager = nullptr;
+	}
+	g_icb->_mixer->stopAll();
+
+	return TRUE8;
+}
+
+bool8 Poll_Sound_Engine() {
+	// Refresh the music streams
+	if (g_theMusicManager) {
+		if (!g_theMusicManager->UpdateMusic()) {
+			// Shutdown if we fail - not elegant but safe
+			Close_Sound_Engine();
+		}
+	}
+
+	// Refresh the speech streams
+	if (g_theSpeechManager) {
+		if (!g_theSpeechManager->UpdateSpeech()) {
+			// Shutdown if we fail - not elegant but safe
+			Close_Sound_Engine();
+		}
+	}
+
+	// Poll the sound fx manager
+	if (g_theFxManager) {
+		if (!g_theFxManager->Poll()) {
+			// Shutdown if we fail - not elegant but safe
+			Close_Sound_Engine();
+		}
+	}
+
+	return TRUE8;
+}
+
+} // End of namespace ICB