Ajouts de musique et irrKlang.

SQCSim2021/external/irrKlang-1.6.0/examples/05.Effects/main.cpp

@@ -0,0 +1,135 @@
+// This example will show how to use sound effects such as echo, reverb and distortion.
+// irrKlang supports the effects Chorus, Compressor, Distortion, Echo, Flanger
+// Gargle, 3DL2Reverb, ParamEq and WavesReverb.
+
+// Lets start: include the irrKlang headers and other input/output stuff
+// needed to print and get user input from the console. And as exlained
+// in the first tutorial, we use the namespace irr and audio and
+// link to the irrKlang.dll file.
+#if defined(WIN32)
+	#include <conio.h>
+#else
+	#include "../common/conio.h"
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <irrKlang.h>
+using namespace irrklang;
+
+#pragma comment(lib, "irrKlang.lib") // link with irrKlang.dll
+
+
+// Now let's start with the irrKlang 3D sound engine example 05,
+// demonstrating sound effects. Simply startup the engine using
+// using createIrrKlangDevice() with default options/parameters.
+int main(int argc, const char** argv)
+{
+	// start the sound engine with default parameters
+	ISoundEngine* engine = createIrrKlangDevice();
+
+	if (!engine)
+		return 0; // error starting up the engine
+
+	// we play a .xm file as music here. Note that the last parameter 
+	// named 'enableSoundEffects' has been set to 'true' here. If this
+	// is not done, sound effects cannot be used with this sound.
+	// After this, we print some help text and start a loop which reads
+	// user keyboard input.
+	
+	const char* filename = "../../media/MF-W-90.XM";
+
+	#ifdef __BIG_ENDIAN__
+		filename = "../../media/ophelia.mp3"; // no xm playback on power pcs currently
+	#endif
+	
+	ISound* music = engine->play2D(filename,
+		true, false, true, ESM_AUTO_DETECT, true);
+
+	// Print some help text and start the display loop
+
+	printf("\nSound effects example. Keys:\n");
+	printf("\nESCAPE: quit\n");
+	printf("w: enable/disable waves reverb\n");
+	printf("d: enable/disable distortion\n");
+	printf("e: enable/disable echo\n");
+	printf("a: disable all effects\n");
+
+	while(true) // endless loop until user exits
+	{
+		int key = getch();
+
+		if (key == 27)
+			break; // user pressed ESCAPE key
+		else
+		{
+			// user maybe pressed an effects key,
+			// now enable or disable a sound effect.
+
+			// We get a pointer to the ISoundEffectControl interface,
+			// but this only exists if the sound driver supports sound effects
+			// and if the sound was started setting the 'enableSoundeffects' flag
+			// to 'true' as we did above. This pointer is only valid as long as
+			// we don't call music->drop() and delete the music with this.
+
+			ISoundEffectControl* fx = 0;
+			if (music)
+				fx = music->getSoundEffectControl();
+
+			if (!fx)
+			{
+				// some sound devices do not support sound effects.
+				printf("This device or sound does not support sound effects.\n");
+				continue;
+			}	
+
+			// here we disable or enable the sound effects of the music depending
+			// on what key the user pressed. Note that every enableXXXSoundEffect()
+			// method also accepts a lot of parameters, so it is easily possible
+			// to influence the details of the effect. If the sound effect is 
+			// already active, it is also possible to simply call the 
+			// enableXXXSoundEffect() method again to just change the effect parameters,
+			// although we aren't doing this here.
+
+			if (key < 'a') // make key lower
+				key += 'a' - 'A';
+
+			switch(key)
+			{
+			case 'd':
+				if (fx->isDistortionSoundEffectEnabled())
+					fx->disableDistortionSoundEffect();
+				else
+					fx->enableDistortionSoundEffect();
+				break;
+
+			case 'e':
+				if (fx->isEchoSoundEffectEnabled())
+					fx->disableEchoSoundEffect();
+				else
+					fx->enableEchoSoundEffect();
+				break;
+
+			case 'w':
+				if (fx->isWavesReverbSoundEffectEnabled())
+					fx->disableWavesReverbSoundEffect();
+				else
+					fx->enableWavesReverbSoundEffect();
+				break;
+
+			case 'a':
+				fx->disableAllEffects(); 
+				break;
+			}
+		}			
+	}
+
+	// don't forget to release the resources
+
+	if (music)
+		music->drop(); // release music stream.
+
+	engine->drop(); // delete Engine
+
+	return 0;
+}