mirror of
https://github.com/genxium/DelayNoMore
synced 2024-12-27 12:08:21 +00:00
430 lines
12 KiB
JavaScript
430 lines
12 KiB
JavaScript
window.DIRECTION_DECODER = [
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// The 3rd value matches low-precision constants in backend.
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[0, 0],
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[0, +2],
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[0, -2],
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[+2, 0],
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[-2, 0],
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[+1, +1],
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[-1, -1],
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[+1, -1],
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[-1, +1],
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];
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cc.Class({
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extends: cc.Component,
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properties: {
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// For joystick begins.
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translationListenerNode: {
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default: null,
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type: cc.Node
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},
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zoomingListenerNode: {
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default: null,
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type: cc.Node
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},
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stickhead: {
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default: null,
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type: cc.Node
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},
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base: {
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default: null,
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type: cc.Node
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},
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joyStickEps: {
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default: 0.10,
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type: cc.Float
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},
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magicLeanLowerBound: {
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default: 0.1,
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type: cc.Float
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},
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magicLeanUpperBound: {
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default: 0.9,
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type: cc.Float
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},
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// For joystick ends.
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linearScaleFacBase: {
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default: 1.00,
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type: cc.Float
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},
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minScale: {
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default: 1.00,
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type: cc.Float
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},
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maxScale: {
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default: 2.50,
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type: cc.Float
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},
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maxMovingBufferLength: {
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default: 1,
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type: cc.Integer
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},
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zoomingScaleFacBase: {
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default: 0.10,
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type: cc.Float
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},
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zoomingSpeedBase: {
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default: 4.0,
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type: cc.Float
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},
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linearSpeedBase: {
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default: 320.0,
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type: cc.Float
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},
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canvasNode: {
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default: null,
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type: cc.Node
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},
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mapNode: {
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default: null,
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type: cc.Node
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},
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linearMovingEps: {
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default: 0.10,
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type: cc.Float
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},
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scaleByEps: {
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default: 0.0375,
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type: cc.Float
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},
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},
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start() {},
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onLoad() {
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this.cachedStickHeadPosition = cc.v2(0.0, 0.0);
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this.cachedBtnUpLevel = 0;
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this.cachedBtnDownLevel = 0;
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this.cachedBtnLeftLevel = 0;
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this.cachedBtnRightLevel = 0;
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this.cachedBtnALevel = 0;
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this.cachedBtnBLevel = 0;
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this.canvasNode = this.mapNode.parent;
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this.mainCameraNode = this.canvasNode.getChildByName("Main Camera"); // Cannot drag and assign the `mainCameraNode` from CocosCreator EDITOR directly, otherwise it'll cause an infinite loading time, till v2.1.0.
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this.mainCamera = this.mainCameraNode.getComponent(cc.Camera);
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this.activeDirection = {
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dx: 0.0,
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dy: 0.0
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};
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this.maxHeadDistance = (0.5 * this.base.width);
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this._initTouchEvent();
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this._cachedMapNodePosTarget = [];
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this._cachedZoomRawTarget = null;
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this.mapScriptIns = this.mapNode.getComponent("Map");
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this.initialized = true;
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},
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_initTouchEvent() {
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const self = this;
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const translationListenerNode = (self.translationListenerNode ? self.translationListenerNode : self.mapNode);
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const zoomingListenerNode = (self.zoomingListenerNode ? self.zoomingListenerNode : self.mapNode);
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translationListenerNode.on(cc.Node.EventType.TOUCH_START, function(event) {
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self._touchStartEvent(event);
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});
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translationListenerNode.on(cc.Node.EventType.TOUCH_MOVE, function(event) {
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self._translationEvent(event);
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});
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translationListenerNode.on(cc.Node.EventType.TOUCH_END, function(event) {
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self._touchEndEvent(event);
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});
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translationListenerNode.on(cc.Node.EventType.TOUCH_CANCEL, function(event) {
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self._touchEndEvent(event);
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});
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translationListenerNode.inTouchPoints = new Map();
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zoomingListenerNode.on(cc.Node.EventType.TOUCH_START, function(event) {
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self._touchStartEvent(event);
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});
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zoomingListenerNode.on(cc.Node.EventType.TOUCH_MOVE, function(event) {
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self._zoomingEvent(event);
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});
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zoomingListenerNode.on(cc.Node.EventType.TOUCH_END, function(event) {
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self._touchEndEvent(event);
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});
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zoomingListenerNode.on(cc.Node.EventType.TOUCH_CANCEL, function(event) {
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self._touchEndEvent(event);
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});
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zoomingListenerNode.inTouchPoints = new Map();
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// Setup keyboard controls for the ease of attach debugging
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cc.systemEvent.on(cc.SystemEvent.EventType.KEY_DOWN, function(evt) {
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switch (evt.keyCode) {
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case cc.macro.KEY.w:
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self.cachedBtnUpLevel = 1;
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break;
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case cc.macro.KEY.s:
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self.cachedBtnDownLevel = 1;
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break;
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case cc.macro.KEY.a:
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self.cachedBtnLeftLevel = 1;
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break;
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case cc.macro.KEY.d:
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self.cachedBtnRightLevel = 1;
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break;
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case cc.macro.KEY.h:
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self.cachedBtnALevel = 1;
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break;
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case cc.macro.KEY.j:
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self.cachedBtnBLevel = 1;
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break;
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default:
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break;
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}
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}, this);
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cc.systemEvent.on(cc.SystemEvent.EventType.KEY_UP, function(evt) {
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switch (evt.keyCode) {
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case cc.macro.KEY.w:
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self.cachedBtnUpLevel = 0;
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break;
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case cc.macro.KEY.s:
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self.cachedBtnDownLevel = 0;
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break;
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case cc.macro.KEY.a:
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self.cachedBtnLeftLevel = 0;
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break;
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case cc.macro.KEY.d:
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self.cachedBtnRightLevel = 0;
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break;
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case cc.macro.KEY.h:
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self.cachedBtnALevel = 0;
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break;
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case cc.macro.KEY.j:
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self.cachedBtnBLevel = 0;
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break;
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default:
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break;
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}
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}, this);
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},
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_isMapOverMoved(mapTargetPos) {
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const virtualPlayerPos = cc.v2(-mapTargetPos.x, -mapTargetPos.y);
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return tileCollisionManager.isOutOfMapNode(this.mapNode, virtualPlayerPos);
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},
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_touchStartEvent(event) {
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const theListenerNode = event.target;
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for (let touch of event._touches) {
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theListenerNode.inTouchPoints.set(touch._id, touch);
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}
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},
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_translationEvent(event) {
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if (ALL_MAP_STATES.VISUAL != this.mapScriptIns.state) {
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return;
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}
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const theListenerNode = event.target;
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const linearScaleFacBase = this.linearScaleFacBase; // Not used yet.
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if (1 != theListenerNode.inTouchPoints.size) {
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return;
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}
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if (!theListenerNode.inTouchPoints.has(event.currentTouch._id)) {
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return;
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}
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const diffVec = event.currentTouch._point.sub(event.currentTouch._startPoint);
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const distance = diffVec.mag();
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const overMoved = (distance > this.maxHeadDistance);
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if (overMoved) {
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const ratio = (this.maxHeadDistance / distance);
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this.cachedStickHeadPosition = diffVec.mul(ratio);
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} else {
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const ratio = (distance / this.maxHeadDistance);
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this.cachedStickHeadPosition = diffVec.mul(ratio);
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}
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},
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_zoomingEvent(event) {
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if (ALL_MAP_STATES.VISUAL != this.mapScriptIns.state) {
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return;
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}
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const theListenerNode = event.target;
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if (2 != theListenerNode.inTouchPoints.size) {
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return;
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}
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if (2 == event._touches.length) {
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const firstTouch = event._touches[0];
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const secondTouch = event._touches[1];
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const startMagnitude = firstTouch._startPoint.sub(secondTouch._startPoint).mag();
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const currentMagnitude = firstTouch._point.sub(secondTouch._point).mag();
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let scaleBy = (currentMagnitude / startMagnitude);
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scaleBy = 1 + (scaleBy - 1) * this.zoomingScaleFacBase;
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if (1 < scaleBy && Math.abs(scaleBy - 1) < this.scaleByEps) {
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// Jitterring.
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cc.log(`ScaleBy == ${scaleBy} is just jittering.`);
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return;
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}
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if (1 > scaleBy && Math.abs(scaleBy - 1) < 0.5 * this.scaleByEps) {
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// Jitterring.
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cc.log(`ScaleBy == ${scaleBy} is just jittering.`);
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return;
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}
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if (!this.mainCamera) return;
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const targetScale = this.mainCamera.zoomRatio * scaleBy;
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if (this.minScale > targetScale || targetScale > this.maxScale) {
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return;
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}
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this.mainCamera.zoomRatio = targetScale;
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for (let child of this.mainCameraNode.children) {
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child.setScale(1 / targetScale);
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}
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}
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},
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_touchEndEvent(event) {
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const theListenerNode = event.target;
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do {
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if (!theListenerNode.inTouchPoints.has(event.currentTouch._id)) {
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break;
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}
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const diffVec = event.currentTouch._point.sub(event.currentTouch._startPoint);
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const diffVecMag = diffVec.mag();
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if (this.linearMovingEps <= diffVecMag) {
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break;
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}
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// Only triggers map-state-switch when `diffVecMag` is sufficiently small.
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if (ALL_MAP_STATES.VISUAL != this.mapScriptIns.state) {
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break;
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}
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// TODO: Handle single-finger-click event.
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} while (false);
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for (let touch of event._touches) {
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if (touch) {
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theListenerNode.inTouchPoints.delete(touch._id);
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}
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}
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},
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_touchCancelEvent(event) {},
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update(dt) {
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if (this.inMultiTouch) return;
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if (true != this.initialized) return;
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const self = this;
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// Keyboard takes top priority
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let keyboardDiffVec = cc.v2(0, 0);
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if (1 == this.cachedBtnUpLevel) {
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if (1 == this.cachedBtnLeftLevel) {
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keyboardDiffVec = cc.v2(-1.0, +1.0);
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} else if (1 == this.cachedBtnRightLevel) {
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keyboardDiffVec = cc.v2(+1.0, +1.0);
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} else {
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keyboardDiffVec = cc.v2(0.0, +1.0);
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}
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} else if (1 == this.cachedBtnDownLevel) {
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if (1 == this.cachedBtnLeftLevel) {
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keyboardDiffVec = cc.v2(-1.0, -1.0);
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} else if (1 == this.cachedBtnRightLevel) {
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keyboardDiffVec = cc.v2(+1.0, -1.0);
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} else {
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keyboardDiffVec = cc.v2(0.0, -1.0);
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}
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} else if (1 == this.cachedBtnLeftLevel) {
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keyboardDiffVec = cc.v2(-1.0, 0.0);
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} else if (1 == this.cachedBtnRightLevel) {
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keyboardDiffVec = cc.v2(+1.0, 0.0);
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}
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if (0 != keyboardDiffVec.x || 0 != keyboardDiffVec.y) {
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this.cachedStickHeadPosition = keyboardDiffVec.mul(this.maxHeadDistance / keyboardDiffVec.mag());
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}
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this.stickhead.setPosition(this.cachedStickHeadPosition);
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const translationListenerNode = (self.translationListenerNode ? self.translationListenerNode : self.mapNode);
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if (0 == translationListenerNode.inTouchPoints.size
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&&
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(0 == keyboardDiffVec.x && 0 == keyboardDiffVec.y)
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) {
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this.cachedStickHeadPosition = cc.v2(0, 0); // Important reset!
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}
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},
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discretizeDirection(continuousDx, continuousDy, eps) {
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let ret = {
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dx: 0,
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dy: 0,
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encodedIdx: 0
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};
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if (Math.abs(continuousDx) < eps && Math.abs(continuousDy) < eps) {
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return ret;
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}
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const criticalRatio = continuousDy / continuousDx;
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if (Math.abs(criticalRatio) < this.magicLeanLowerBound) {
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ret.dy = 0;
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if (0 < continuousDx) {
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ret.dx = +2; // right
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ret.encodedIdx = 3;
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} else {
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ret.dx = -2; // left
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ret.encodedIdx = 4;
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}
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} else if (Math.abs(criticalRatio) > this.magicLeanUpperBound) {
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ret.dx = 0;
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if (0 < continuousDy) {
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ret.dy = +2; // up
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ret.encodedIdx = 1;
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} else {
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ret.dy = -2; // down
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ret.encodedIdx = 2;
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}
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} else {
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if (0 < continuousDx) {
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if (0 < continuousDy) {
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ret.dx = +1;
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ret.dy = +1;
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ret.encodedIdx = 5;
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} else {
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ret.dx = +1;
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ret.dy = -1;
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ret.encodedIdx = 7;
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}
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} else {
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// 0 >= continuousDx
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if (0 < continuousDy) {
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ret.dx = -1;
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ret.dy = +1;
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ret.encodedIdx = 8;
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} else {
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ret.dx = -1;
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ret.dy = -1;
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ret.encodedIdx = 6;
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}
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}
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}
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return ret;
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},
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getEncodedInput() {
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const discretizedDir = this.discretizeDirection(this.stickhead.x, this.stickhead.y, this.joyStickEps).encodedIdx; // There're only 9 dirs, thus using only the lower 4-bits
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const btnALevel = (this.cachedBtnALevel << 4);
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const btnBLevel = (this.cachedBtnBLevel << 5);
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return (btnBLevel + btnALevel + discretizedDir);
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},
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decodeInput(encodedInput) {
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const encodedDirection = (encodedInput & 15);
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const mappedDirection = window.DIRECTION_DECODER[encodedDirection];
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if (null == mappedDirection) {
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console.error("Unexpected encodedDirection = ", encodedDirection);
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}
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const btnALevel = ((encodedInput >> 4) & 1);
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const btnBLevel = ((encodedInput >> 5) & 1);
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return window.pb.protos.InputFrameDecoded.create({
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dx: mappedDirection[0],
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dy: mappedDirection[1],
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btnALevel: btnALevel,
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btnBLevel: btnBLevel,
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});
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},
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});
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