Merge pull request #19 from LoveEevee/all-gamepads

Check all connected gamepads

public/src/js/gamepad.js

 class Gamepad{
-    constructor(keyboard){
-        var kbd=keyboard.getBindings()
-        this.gameBtn = {}
-        this.gameBtn[kbd["don_l"]] = ["u", "d", "l", "r"]
-        this.gameBtn[kbd["don_r"]] = ["a", "b", "x", "y"]
-        this.gameBtn[kbd["ka_l"]] = ["lb", "lt"]
-        this.gameBtn[kbd["ka_r"]] = ["rb", "rt"]
-        this.menuBtn = {}
-        this.menuBtn[kbd["pause"]] = ["start"]
-        this.b = {
-            "a": "0",
-            "b": "1",
-            "x": "2",
-            "y": "3",
-            "lb": "4",
-            "rb": "5",
-            "lt": "6",
-            "rt": "7",
-            "back": "8",
-            "start": "9",
-            "ls": "10",
-            "rs": "11",
-            "u": "12",
-            "d": "13",
-            "l": "14",
-            "r": "15",
-            "guide": "16"
-        }
-        this.btn = {}
-        this.keyboard = keyboard
-    }
-    play(menuPlay){
-        if("getGamepads" in navigator){
-            var gamepads = navigator.getGamepads()
-        }else{
-            return
-        }
-        var bindings = menuPlay ? this.menuBtn : this.gameBtn
-        for(var i = 0; i < gamepads.length; i++){
-            if(gamepads[i]){
-                var buttons = gamepads[i].buttons
-                this.toRelease = {}
-                for(var i in bindings){
-                    this.toRelease[i] = bindings[i].length
-                }
-                for(var btnName in buttons){
-                    buttonSearch: {
-                        for(var bind in bindings){
-                            for(var name in bindings[bind]){
-                                if(btnName == this.b[bindings[bind][name]]){
-                                    this.checkButton(buttons, btnName, bind)
-                                    break buttonSearch
-                                }
-                            }
-                        }
-                    }
-                }
-            }
-        }
-    }
-    checkButton(buttons, btnName, keyCode){
-        var button = buttons[btnName]
-        var pressed = !this.btn[btnName] && button.pressed
-        var released = this.btn[btnName] && !button.pressed
-        if(pressed){
-            this.btn[btnName] = true
-        }else if(released){
-            delete this.btn[btnName]
-        }
-        if(pressed){
-            if(this.keyboard.getKeys()[keyCode]){
-                this.keyboard.setKey(keyCode, false)
-            }
-            this.keyboard.setKey(keyCode, true)
-        }else if(!button.pressed && this.keyboard.getKeys()[keyCode]){
-            if(released){
-                this.toRelease[keyCode+"released"] = true
-            }
-            this.toRelease[keyCode]--
-            if(this.toRelease[keyCode] == 0 && this.toRelease[keyCode+"released"]){
-                this.keyboard.setKey(keyCode, false)
-            }
-        }
-    }
+	constructor(keyboard){
+		var kbd = keyboard.getBindings()
+		this.gameBtn = {}
+		this.gameBtn[kbd["don_l"]] = ["u", "d", "l", "r"]
+		this.gameBtn[kbd["don_r"]] = ["a", "b", "x", "y"]
+		this.gameBtn[kbd["ka_l"]] = ["lb", "lt"]
+		this.gameBtn[kbd["ka_r"]] = ["rb", "rt"]
+		this.menuBtn = {}
+		this.menuBtn[kbd["pause"]] = ["start"]
+		this.b = {
+			"a": "0",
+			"b": "1",
+			"x": "2",
+			"y": "3",
+			"lb": "4",
+			"rb": "5",
+			"lt": "6",
+			"rt": "7",
+			"back": "8",
+			"start": "9",
+			"ls": "10",
+			"rs": "11",
+			"u": "12",
+			"d": "13",
+			"l": "14",
+			"r": "15",
+			"guide": "16"
+		}
+		this.btn = {}
+		this.keyboard = keyboard
+	}
+	play(menuPlay){
+		if("getGamepads" in navigator){
+			var gamepads = navigator.getGamepads()
+		}else{
+			return
+		}
+		var bindings = menuPlay ? this.menuBtn : this.gameBtn
+		for(var i = 0; i < gamepads.length; i++){
+			if(gamepads[i]){
+				this.toRelease = {}
+				for(var bind in bindings){
+					this.toRelease[bind] = bindings[bind].length
+				}
+				for(var btnName in gamepads[i].buttons){
+					buttonSearch: {
+						for(var bind in bindings){
+							for(var name in bindings[bind]){
+								if(btnName === this.b[bindings[bind][name]]){
+									this.checkButton(gamepads, btnName, bind)
+									break buttonSearch
+								}
+							}
+						}
+					}
+				}
+				break
+			}
+		}
+	}
+	checkButton(gamepads, btnName, keyCode){
+		var button = false
+		for(var i = 0; i < gamepads.length; i++){
+			if(gamepads[i]){
+				var btnPressed = gamepads[i].buttons[btnName].pressed
+				if(btnPressed){
+					button = btnPressed
+				}
+			}
+		}
+		var pressed = !this.btn[btnName] && button
+		var released = this.btn[btnName] && !button
+		if(pressed){
+			this.btn[btnName] = true
+		}else if(released){
+			delete this.btn[btnName]
+		}
+		if(pressed){
+			if(this.keyboard.getKeys()[keyCode]){
+				this.keyboard.setKey(keyCode, false)
+			}
+			this.keyboard.setKey(keyCode, true)
+		}else if(!button && this.keyboard.getKeys()[keyCode]){
+			if(released){
+				this.toRelease[keyCode + "released"] = true
+			}
+			this.toRelease[keyCode]--
+			if(this.toRelease[keyCode] === 0 && this.toRelease[keyCode + "released"]){
+				this.keyboard.setKey(keyCode, false)
+			}
+		}
+	}
 }