Ajouts de musique et irrKlang.

SQCSim2021/external/irrKlang-1.6.0/plugins/ikpMP3/ikpMP3.cpp

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+
+#include <irrKlang.h>
+#include <stdio.h>
+#include <string.h>
+#include "CIrrKlangAudioStreamLoaderMP3.h"
+
+using namespace irrklang;
+
+// this is the only function needed to be implemented for the plugin, it gets
+// called by irrKlang when loaded.
+// In this plugin, we create an audiostream loader class and register
+// it at the engine, but a plugin can do anything.
+// Be sure to name the function 'irrKlangPluginInit' and let the dll start with 'ikp'.
+
+#ifdef WIN32
+// Windows version
+__declspec(dllexport) void __stdcall irrKlangPluginInit(ISoundEngine* engine, const char* version)
+#else
+// Linux version
+void irrKlangPluginInit(ISoundEngine* engine, const char* version)
+#endif
+{
+	// do some version security check to be sure that this plugin isn't begin used
+	// by some newer irrKlang version with changed interfaces which could possibily
+	// cause crashes.
+
+	if (strcmp(version, IRR_KLANG_VERSION))
+	{
+		printf("This MP3 plugin only supports irrKlang version %s, mp3 playback disabled.\n", IRR_KLANG_VERSION);
+		return;
+	}
+
+	// create and register the loader
+
+	CIrrKlangAudioStreamLoaderMP3* loader = new CIrrKlangAudioStreamLoaderMP3();
+	engine->registerAudioStreamLoader(loader);
+	loader->drop();
+
+	// that's it, that's all.
+}
+