ILLUSIONS: Add ability to restore options sliders to defaults

2 files changed, 91 insertions, 36 deletions

diff --git a/engines/illusions/duckman/menusystem_duckman.cpp b/engines/illusions/duckman/menusystem_duckman.cpp
index 502a0ac865..b5af102bb9 100644
--- a/engines/illusions/duckman/menusystem_duckman.cpp
+++ b/engines/illusions/duckman/menusystem_duckman.cpp
@@ -107,7 +107,7 @@ BaseMenu *DuckmanMenuSystem::createLoadGameMenu() {
 	return 0; // TODO
 }
 
-MenuItem *DuckmanMenuSystem::createOptionsSliderMenuItem(const Common::String &text, SliderActionType type, BaseMenu *baseMenu) {
+MenuItem *DuckmanMenuSystem::createOptionsSliderMenuItem(MenuActionUpdateSlider **action, const Common::String &text, SliderActionType type, BaseMenu *baseMenu) {
 	int sliderValue = 0;
 	Common::String sliderText = "{~~~~~~~~~~~~~~~~}";
 	switch (type) {
@@ -120,9 +120,9 @@ MenuItem *DuckmanMenuSystem::createOptionsSliderMenuItem(const Common::String &t
 
 	sliderText.setChar('|', sliderValue + 1);
 
-	MenuActionUpdateSlider *action = new MenuActionUpdateSlider(this, baseMenu, type, _vm);
-	MenuItem *menuItem = new MenuItem(text + sliderText, action);
-	action->setMenuItem(menuItem);
+	*action = new MenuActionUpdateSlider(this, baseMenu, type, _vm);
+	MenuItem *menuItem = new MenuItem(text + sliderText, *action);
+	(*action)->setMenuItem(menuItem);
 	return menuItem;
 }
 
@@ -131,12 +131,17 @@ BaseMenu *DuckmanMenuSystem::createOptionsMenu() {
 	menu->addText("              GAME OPTIONS             @@@@");
 	menu->addText("--------------------------------------");
 
-	menu->addMenuItem(createOptionsSliderMenuItem("SFX Volume     @@", SFX, menu));
-	menu->addMenuItem(createOptionsSliderMenuItem("Music Volume  @@@", MUSIC, menu));
-	menu->addMenuItem(createOptionsSliderMenuItem("Speech Volume ", VOICE, menu));
-	menu->addMenuItem(createOptionsSliderMenuItem("Text Duration @@@", TEXT_DURATION, menu));
+	MenuActionUpdateSlider *sfxSlider;
+	MenuActionUpdateSlider *musicSlider;
+	MenuActionUpdateSlider *speechSlider;
+	MenuActionUpdateSlider *textDurationSlider;
 
-	menu->addMenuItem(new MenuItem("Restore Defaults", new MenuActionLeaveMenu(this)));
+	menu->addMenuItem(createOptionsSliderMenuItem(&sfxSlider, "SFX Volume     @@", SFX, menu));
+	menu->addMenuItem(createOptionsSliderMenuItem(&musicSlider, "Music Volume  @@@", MUSIC, menu));
+	menu->addMenuItem(createOptionsSliderMenuItem(&speechSlider, "Speech Volume ", VOICE, menu));
+	menu->addMenuItem(createOptionsSliderMenuItem(&textDurationSlider, "Text Duration @@@", TEXT_DURATION, menu));
+
+	menu->addMenuItem(new MenuItem("Restore Defaults", new MenuActionResetOptionSliders(this, sfxSlider, musicSlider, speechSlider, textDurationSlider)));
 
 	menu->addMenuItem(new MenuItem("Back", new MenuActionLeaveMenu(this)));
 	return menu;
@@ -315,32 +320,24 @@ void MenuActionInventoryAddRemove::execute() {
 
 MenuActionUpdateSlider::MenuActionUpdateSlider(BaseMenuSystem *menuSystem, BaseMenu *baseMenu, SliderActionType type, IllusionsEngine_Duckman *vm)
 			: BaseMenuAction(menuSystem), menu(baseMenu), _type(type), _vm(vm) {
-	menuItem = NULL;
+	_menuItem = NULL;
 }
 
 void MenuActionUpdateSlider::execute() {
-	assert(menuItem);
-	Common::String text = menuItem->getText();
-	Common::Point point = menuItem->getMouseClickPoint();
+	assert(_menuItem);
+	Common::String text = _menuItem->getText();
+	Common::Point point = _menuItem->getMouseClickPoint();
 	int offset = 0;
 	_menuSystem->calcMenuItemTextPositionAtPoint(point, offset);
-	int newSliderValue = calcNewSliderValue(text, offset);
+	int newSliderValue = calcNewSliderValue(offset);
 
 	debug(0, "item text: %s, (%d, %d), New slider value: %d", text.c_str(), point.x, point.y, newSliderValue);
 
-	menuItem->setText(text);
-	_menuSystem->redrawMenuText(menu);
-
-	switch(_type) {
-		case SFX : _vm->_soundMan->setSfxVolume(newSliderValue * (255/15)); break;
-		case MUSIC : _vm->_soundMan->setMusicVolume(newSliderValue * (255/15)); break;
-		case VOICE : _vm->_soundMan->setSpeechVolume(newSliderValue * (255/15)); break;
-		case TEXT_DURATION : break; // TODO
-		default: break;
-	}
+	setSliderValue(newSliderValue);
 }
 
-int MenuActionUpdateSlider::calcNewSliderValue(Common::String &text, int newOffset) {
+int MenuActionUpdateSlider::calcNewSliderValue(int newOffset) {
+	Common::String text = _menuItem->getText();
 	int newSliderValue = 0;
 	int start = 0;
 	int end = 0;
@@ -362,13 +359,51 @@ int MenuActionUpdateSlider::calcNewSliderValue(Common::String &text, int newOffs
 		} else {
 			newSliderValue = newOffset - (start + 1);
 		}
-
-		text.setChar('~', currentPosition);
-		text.setChar('|', start + 1 + newSliderValue);
-
 		return newSliderValue;
 	}
 	return currentPosition - start - 1;
 }
 
+void MenuActionUpdateSlider::setSliderValue(uint8 newValue) {
+	int start = 0;
+	Common::String text = _menuItem->getText();
+	for(int i = 0; i < text.size(); i++) {
+		switch (text[i]) {
+			case '{' : start = i; break;
+			case '|' : text.setChar('~', i); break;
+			default: break;
+		}
+	}
+
+	text.setChar('|', start + newValue + 1);
+
+	_menuItem->setText(text);
+	_menuSystem->redrawMenuText(menu);
+
+	switch(_type) {
+		case SFX : _vm->_soundMan->setSfxVolume(newValue * (255/15)); break;
+		case MUSIC : _vm->_soundMan->setMusicVolume(newValue * (255/15)); break;
+		case VOICE : _vm->_soundMan->setSpeechVolume(newValue * (255/15)); break;
+		case TEXT_DURATION : break; // TODO
+		default: break;
+	}
+}
+
+MenuActionResetOptionSliders::MenuActionResetOptionSliders(BaseMenuSystem *menuSystem,
+														   MenuActionUpdateSlider *sfxSlider,
+														   MenuActionUpdateSlider *musiclider,
+														   MenuActionUpdateSlider *speechSlider,
+														   MenuActionUpdateSlider *textDurationSlider)
+: BaseMenuAction(menuSystem), _sfxSlider(sfxSlider), _musiclider(musiclider),
+  _speechSlider(speechSlider), _textDurationSlider(textDurationSlider) {
+
+}
+
+void MenuActionResetOptionSliders::execute() {
+	_sfxSlider->setSliderValue(11);
+	_musiclider->setSliderValue(11);
+	_speechSlider->setSliderValue(15);
+	_textDurationSlider->setSliderValue(0);
+}
+
 } // End of namespace Illusions
diff --git a/engines/illusions/duckman/menusystem_duckman.h b/engines/illusions/duckman/menusystem_duckman.h
index 3ebab4dea4..5b3cd55758 100644
--- a/engines/illusions/duckman/menusystem_duckman.h
+++ b/engines/illusions/duckman/menusystem_duckman.h
@@ -49,8 +49,9 @@ namespace Illusions {
 };
 
 class IllusionsEngine_Duckman;
+class MenuActionUpdateSlider;
 
-class DuckmanMenuSystem : public BaseMenuSystem {
+	class DuckmanMenuSystem : public BaseMenuSystem {
 public:
 	DuckmanMenuSystem(IllusionsEngine_Duckman *vm);
 	~DuckmanMenuSystem();
@@ -66,7 +67,6 @@ public://protected:
 	BaseMenu *createMainMenu();
 	BaseMenu *createLoadGameMenu();
 	BaseMenu *createOptionsMenu();
-	MenuItem *createOptionsSliderMenuItem(const Common::String &text, SliderActionType type, BaseMenu *baseMenu);
 	BaseMenu *createPauseMenu();
 	BaseMenu *createQueryRestartMenu();
 	BaseMenu *createQueryQuitMenu();
@@ -80,7 +80,10 @@ public://protected:
 	virtual void setGameState(int gameState);
 	virtual void setMenuCursorNum(int cursorNum);
 	virtual void playSoundEffect(int sfxId);
-};
+private:
+	MenuItem *createOptionsSliderMenuItem(MenuActionUpdateSlider **action, const Common::String &text,
+										  SliderActionType type, BaseMenu *baseMenu);
+	};
 
 class MenuActionInventoryAddRemove : public BaseMenuAction {
 public:
@@ -94,17 +97,34 @@ protected:
 class MenuActionUpdateSlider : public BaseMenuAction {
 public:
 	MenuActionUpdateSlider(BaseMenuSystem *menuSystem, BaseMenu *baseMenu, SliderActionType type, IllusionsEngine_Duckman *vm);
-	void setMenuItem(MenuItem *newMmenuItem) {
-		menuItem = newMmenuItem;
+	void setMenuItem(MenuItem *menuItem) {
+		_menuItem = menuItem;
 	}
 
 	virtual void execute();
+	void setSliderValue(uint8 newValue);
 protected:
 	IllusionsEngine_Duckman *_vm;
 	SliderActionType _type;
-	MenuItem *menuItem;
+	MenuItem *_menuItem;
 	BaseMenu *menu;
-	int calcNewSliderValue(Common::String &text, int newOffset);
+	int calcNewSliderValue(int newOffset);
+};
+
+class MenuActionResetOptionSliders : public BaseMenuAction {
+public:
+	MenuActionResetOptionSliders(BaseMenuSystem *menuSystem,
+								 MenuActionUpdateSlider *sfxSlider,
+								 MenuActionUpdateSlider *musiclider,
+								 MenuActionUpdateSlider *speechSlider,
+								 MenuActionUpdateSlider *textDurationSlider
+	);
+	virtual void execute();
+protected:
+	MenuActionUpdateSlider *_sfxSlider;
+	MenuActionUpdateSlider *_musiclider;
+	MenuActionUpdateSlider *_speechSlider;
+	MenuActionUpdateSlider *_textDurationSlider;
 };
 
 } // End of namespace Illusions