mirror of
https://github.com/FunkinCrew/Funkin.git
synced 2024-11-23 16:17:53 -05:00
377 lines
7.8 KiB
Haxe
377 lines
7.8 KiB
Haxe
package ui;
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import flixel.FlxSprite;
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import flixel.effects.FlxFlicker;
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import flixel.group.FlxGroup;
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import flixel.math.FlxPoint;
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import flixel.util.FlxSignal;
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class MenuTypedList<T:MenuItem> extends FlxTypedGroup<T>
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{
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public var selectedIndex(default, null) = 0;
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public var selectedItem(get, never):T;
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/** Called when a new item is highlighted */
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public var onChange(default, null) = new FlxTypedSignal<T->Void>();
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/** Called when an item is accepted */
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public var onAcceptPress(default, null) = new FlxTypedSignal<T->Void>();
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/** The navigation control scheme to use */
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public var navControls:NavControls;
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/** Set to false to disable nav control */
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public var enabled:Bool = true;
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/** */
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public var wrapMode:WrapMode = Both;
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var byName = new Map<String, T>();
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/** Set to true, internally to disable controls, without affecting vars like `enabled` */
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public var busy(default, null):Bool = false;
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// bit awkward because BACK is also a menu control and this doesn't affect that
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public function new(navControls:NavControls = Vertical, ?wrapMode:WrapMode)
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{
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this.navControls = navControls;
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if (wrapMode != null)
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this.wrapMode = wrapMode;
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else
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this.wrapMode = switch (navControls)
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{
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case Horizontal: Horizontal;
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case Vertical: Vertical;
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default: Both;
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}
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super();
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}
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public function addItem(name:String, item:T):T
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{
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if (length == selectedIndex)
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item.select();
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byName[name] = item;
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return add(item);
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}
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public function resetItem(oldName:String, newName:String, ?callback:Void->Void):T
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{
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if (!byName.exists(oldName))
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throw "No item named:" + oldName;
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var item = byName[oldName];
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byName.remove(oldName);
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byName[newName] = item;
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item.setItem(newName, callback);
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return item;
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}
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override function update(elapsed:Float)
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{
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super.update(elapsed);
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if (enabled && !busy)
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updateControls();
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}
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inline function updateControls()
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{
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var controls = PlayerSettings.player1.controls;
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var wrapX = wrapMode.match(Horizontal | Both);
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var wrapY = wrapMode.match(Vertical | Both);
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var newIndex = switch (navControls)
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{
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case Vertical: navList(controls.UI_UP_P, controls.UI_DOWN_P, wrapY);
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case Horizontal: navList(controls.UI_LEFT_P, controls.UI_RIGHT_P, wrapX);
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case Both: navList(controls.UI_LEFT_P || controls.UI_UP_P, controls.UI_RIGHT_P || controls.UI_DOWN_P, !wrapMode.match(None));
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case Columns(num): navGrid(num, controls.UI_LEFT_P, controls.UI_RIGHT_P, wrapX, controls.UI_UP_P, controls.UI_DOWN_P, wrapY);
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case Rows(num): navGrid(num, controls.UI_UP_P, controls.UI_DOWN_P, wrapY, controls.UI_LEFT_P, controls.UI_RIGHT_P, wrapX);
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}
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if (newIndex != selectedIndex)
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{
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FlxG.sound.play(Paths.sound('scrollMenu'));
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selectItem(newIndex);
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}
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// Todo: bypass popup blocker on firefox
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if (controls.ACCEPT)
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accept();
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}
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function navAxis(index:Int, size:Int, prev:Bool, next:Bool, allowWrap:Bool):Int
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{
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if (prev == next)
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return index;
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if (prev)
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{
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if (index > 0)
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index--;
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else if (allowWrap)
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index = size - 1;
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}
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else
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{
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if (index < size - 1)
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index++;
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else if (allowWrap)
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index = 0;
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}
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return index;
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}
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/**
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* Controls navigation on a linear list of items such as Vertical.
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* @param prev
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* @param next
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* @param allowWrap
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*/
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inline function navList(prev:Bool, next:Bool, allowWrap:Bool)
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{
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return navAxis(selectedIndex, length, prev, next, allowWrap);
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}
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/**
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* Controls navigation on a grid
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* @param latSize The size of the fixed axis of the grid, or the "lateral axis"
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* @param latPrev Whether the 'prev' key is pressed along the fixed-lengthed axis. eg: "left" in Column mode
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* @param latNext Whether the 'next' key is pressed along the fixed-lengthed axis. eg: "right" in Column mode
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* @param prev Whether the 'prev' key is pressed along the variable-lengthed axis. eg: "up" in Column mode
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* @param next Whether the 'next' key is pressed along the variable-lengthed axis. eg: "down" in Column mode
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* @param allowWrap unused
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*/
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function navGrid(latSize:Int, latPrev:Bool, latNext:Bool, latAllowWrap:Bool, prev:Bool, next:Bool, allowWrap:Bool):Int
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{
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// The grid lenth along the variable-length axis
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var size = Math.ceil(length / latSize);
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// The selected position along the variable-length axis
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var index = Math.floor(selectedIndex / latSize);
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// The selected position along the fixed axis
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var latIndex = selectedIndex % latSize;
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latIndex = navAxis(latIndex, latSize, latPrev, latNext, latAllowWrap);
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index = navAxis(index, size, prev, next, allowWrap);
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return Std.int(Math.min(length - 1, index * latSize + latIndex));
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}
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public function accept()
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{
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var selected = members[selectedIndex];
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onAcceptPress.dispatch(selected);
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if (selected.fireInstantly)
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selected.callback();
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else
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{
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busy = true;
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FlxG.sound.play(Paths.sound('confirmMenu'));
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FlxFlicker.flicker(selected, 1, 0.06, true, false, function(_)
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{
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busy = false;
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selected.callback();
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});
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}
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}
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public function selectItem(index:Int)
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{
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members[selectedIndex].idle();
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selectedIndex = index;
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var selected = members[selectedIndex];
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selected.select();
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onChange.dispatch(selected);
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}
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public function has(name:String)
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{
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return byName.exists(name);
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}
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public function getItem(name:String)
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{
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return byName[name];
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}
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override function destroy()
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{
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super.destroy();
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byName.clear();
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onChange.removeAll();
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onAcceptPress.removeAll();
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}
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inline function get_selectedItem():T
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{
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return members[selectedIndex];
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}
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}
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class MenuItem extends FlxSprite
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{
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public var callback:Void->Void;
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public var name:String;
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/**
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* Set to true for things like opening URLs otherwise, it may it get blocked.
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*/
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public var fireInstantly = false;
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public var selected(get, never):Bool;
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function get_selected()
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return alpha == 1.0;
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public function new(x = 0.0, y = 0.0, name:String, callback)
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{
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super(x, y);
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antialiasing = true;
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setData(name, callback);
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idle();
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}
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function setData(name:String, ?callback:Void->Void)
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{
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this.name = name;
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if (callback != null)
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this.callback = callback;
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}
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/**
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* Calls setData and resets/redraws the state of the item
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* @param name the label.
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* @param callback Unchanged if null.
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*/
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public function setItem(name:String, ?callback:Void->Void)
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{
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setData(name, callback);
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if (selected)
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select();
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else
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idle();
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}
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public function idle()
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{
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alpha = 0.6;
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}
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public function select()
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{
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alpha = 1.0;
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}
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}
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class MenuTypedItem<T:FlxSprite> extends MenuItem
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{
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public var label(default, set):T;
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public function new(x = 0.0, y = 0.0, label:T, name:String, callback)
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{
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super(x, y, name, callback);
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// set label after super otherwise setters fuck up
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this.label = label;
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}
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/**
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* Use this when you only want to show the label
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*/
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function setEmptyBackground()
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{
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var oldWidth = width;
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var oldHeight = height;
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makeGraphic(1, 1, 0x0);
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width = oldWidth;
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height = oldHeight;
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}
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function set_label(value:T)
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{
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if (value != null)
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{
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value.x = x;
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value.y = y;
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value.alpha = alpha;
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}
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return this.label = value;
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}
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override function update(elapsed:Float)
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{
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super.update(elapsed);
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if (label != null)
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label.update(elapsed);
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}
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override function draw()
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{
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super.draw();
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if (label != null)
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{
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label.cameras = cameras;
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label.scrollFactor.copyFrom(scrollFactor);
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label.draw();
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}
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}
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override function set_alpha(value:Float):Float
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{
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super.set_alpha(value);
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if (label != null)
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label.alpha = alpha;
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return alpha;
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}
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override function set_x(value:Float):Float
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{
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super.set_x(value);
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if (label != null)
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label.x = x;
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return x;
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}
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override function set_y(Value:Float):Float
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{
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super.set_y(Value);
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if (label != null)
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label.y = y;
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return y;
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}
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}
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enum NavControls
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{
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Horizontal;
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Vertical;
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Both;
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Columns(num:Int);
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Rows(num:Int);
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}
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enum WrapMode
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{
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Horizontal;
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Vertical;
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Both;
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None;
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}
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