GOB: Add some PreGob sound utility functions

engines/gob/pregob/onceupon/onceupon.cpp

@@ -246,6 +246,10 @@ const OnceUpon::MenuButton OnceUpon::kIngameButtons[3] = {
 	{true, 180, 83, 211, 116,  72,   0, 103,  34, 180,  83, 2}
 };
 
+const char *OnceUpon::kSound[kSoundMAX] = {
+	"diamant.snd"
+};
+
 
 OnceUpon::OnceUpon(GobEngine *vm) : PreGob(vm), _jeudak(0), _lettre(0), _plettre(0), _glettre(0),
 	_openedArchives(false), _animalsButton(0) {
@@ -286,6 +290,8 @@ void OnceUpon::init() {
 		      "please contact the ScummVM team with details about this version.\n"
 		      "Thanks", _vm->getLangDesc(_vm->_global->_language));
 
+	loadSounds(kSound, kSoundMAX);
+
 	initScreen();
 
 	_difficulty = kDifficultyMAX;
@@ -293,6 +299,8 @@ void OnceUpon::init() {
 }
 
 void OnceUpon::deinit() {
+	freeSounds();
+
 	delete _jeudak;
 	delete _lettre;
 	delete _plettre;
@@ -671,7 +679,7 @@ void OnceUpon::stopTitleMusic() {
 	_vm->_sound->blasterStopComposition();
 	_vm->_sound->protrackerStop();
 
-	for (int i = 0; i < Sound::kSoundsCount; i++)
+	for (int i = 0; i < ::Gob::Sound::kSoundsCount; i++)
 		_vm->_sound->sampleFree(_vm->_sound->sampleGetBySlot(i));
 }
 

engines/gob/pregob/onceupon/onceupon.h

@@ -64,6 +64,11 @@ protected:
 		kDifficultyMAX
 	};
 
+	enum Sound {
+		kSoundClick = 0,
+		kSoundMAX
+	};
+
 	struct MenuButton {
 		bool needDraw;
 		int16 left, top, right, bottom;
@@ -110,6 +115,9 @@ private:
 	static const MenuButton kSectionButtons[4];
 	static const MenuButton kIngameButtons[3];
 
+	static const char *kSound[kSoundMAX];
+
+
 	void setCopyProtectionPalette();
 
 	void setAnimState(ANIObject &ani, uint16 state, bool once, bool pause) const;

engines/gob/pregob/pregob.cpp

@@ -32,6 +32,8 @@
 #include "gob/video.h"
 #include "gob/aniobject.h"
 
+#include "gob/sound/sound.h"
+
 #include "gob/pregob/pregob.h"
 
 static char kLanguageSuffix[5] = { 't', 'g', 'a', 'e', 'i' };
@@ -141,6 +143,39 @@ bool PreGob::isCursorVisible() const {
 	return CursorMan.isVisible();
 }
 
+void PreGob::loadSounds(const char * const *sounds, uint soundCount) {
+	freeSounds();
+
+	_sounds.resize(soundCount);
+
+	for (uint i = 0; i < soundCount; i++) {
+		int32 size;
+		byte *data = _vm->_dataIO->getFile(sounds[i], size);
+
+		if (!data || !_sounds[i].load(SOUND_SND, data, size)) {
+			delete data;
+
+			warning("PreGob::loadSounds(): Failed to load sound \"%s\"", sounds[i]);
+			continue;
+		}
+	}
+}
+
+void PreGob::freeSounds() {
+	_sounds.clear();
+}
+
+void PreGob::playSound(uint sound, int16 frequency, int16 repCount) {
+	if (sound >= _sounds.size())
+		return;
+
+	_vm->_sound->blasterPlay(&_sounds[sound], repCount, frequency);
+}
+
+void PreGob::stopSound() {
+	_vm->_sound->blasterStop(0);
+}
+
 void PreGob::endFrame(bool doInput) {
 	_vm->_draw->blitInvalidated();
 	_vm->_util->waitEndFrame();

engines/gob/pregob/pregob.h

@@ -24,9 +24,12 @@
 #define GOB_PREGOB_PREGOB_H
 
 #include "common/str.h"
+#include "common/array.h"
 
 #include "gob/util.h"
 
+#include "gob/sound/sounddesc.h"
+
 #include "gob/pregob/txtfile.h"
 
 namespace Gob {
@@ -70,6 +73,12 @@ protected:
 
 	bool isCursorVisible() const;
 
+	void loadSounds(const char * const *sounds, uint soundCount);
+	void freeSounds();
+
+	void playSound(uint sound, int16 frequency = 0, int16 repCount = 0);
+	void stopSound();
+
 	void endFrame(bool doInput);
 
 	int16 checkInput(int16 &mouseX, int16 &mouseY, MouseButtons &mouseButtons);
@@ -89,6 +98,8 @@ protected:
 
 private:
 	bool _fadedOut; ///< Did we fade out?
+
+	Common::Array<SoundDesc> _sounds;
 };
 
 } // End of namespace Gob