Files
2020-08-24 23:16:53 +07:00

330 lines
9.4 KiB
JavaScript
Vendored

/****************************************************************************
Copyright (c) 2013-2014 Chukong Technologies Inc.
http://www.cocos2d-x.org
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
/**
* timeline object
* @class
* @extend ccs.Class
*/
ccs.Timeline = ccs.Class.extend({
//{ccs.Frame}
_frames: null,
//{ccs.Frame}
_currentKeyFrame: null,
//{Number}
_currentKeyFrameIndex: null,
//{Number}
_fromIndex: null,
//{Number}
_toIndex: null,
//{Number}
_betweenDuration: null,
//{Number}
_actionTag: null,
//{ccs.ActionTimeline}
_ActionTimeline: null,
//{cc.Node}
_node: null,
ctor: function () {
this._frames = [];
this._currentKeyFrame = null;
this._currentKeyFrameIndex = 0;
this._fromIndex = 0;
this._toIndex = 0;
this._betweenDuration = 0;
this._actionTag = 0;
this._ActionTimeline = null;
this._node = null;
},
_gotoFrame: function (frameIndex) {
if (this._frames.length === 0)
return;
this._binarySearchKeyFrame(frameIndex);
this._apply(frameIndex);
},
_stepToFrame: function (frameIndex) {
if (this._frames.length === 0)
return;
this._updateCurrentKeyFrame(frameIndex);
this._apply(frameIndex);
},
/**
* Get the frame list
* @returns {ccs.Frame}
*/
getFrames: function () {
return this._frames;
},
/**
* push frame to frame list
* @param {ccs.Frame} frame
*/
addFrame: function (frame) {
this._frames.push(frame);
frame.setTimeline(this)
},
/**
* insert the frame to frame list
* @param {ccs.Frame} frame
* @param {Number} index
*/
insertFrame: function (frame, index) {
this._frames.splice(index, 0, frame);
frame.setTimeline(this);
},
/**
* remove frame
* @param {ccs.Frame} frame
*/
removeFrame: function (frame) {
cc.arrayRemoveObject(this._frames, frame);
frame.setTimeline(null);
},
/**
* Set the action tag
* @param {Number} tag
*/
setActionTag: function (tag) {
this._actionTag = tag;
},
/**
* Gets the action tag
* return {Number}
*/
getActionTag: function () {
return this._actionTag;
},
/**
* Set the node
* @param {cc.Node} node
*/
setNode: function (node) {
for (var i = 0; i < this._frames.length; i++) {
var frame = this._frames[i];
frame.setNode(node);
}
},
/**
* Gets the node
* return {cc.Node}
*/
getNode: function () {
return this._node;
},
/**
* Set the action timeline
* @param {ccs.ActionTimeline} action
*/
setActionTimeline: function (action) {
this._ActionTimeline = action;
},
/**
* get the action timeline
* return {cc.Action}
*/
getActionTimeline: function () {
return this._ActionTimeline;
},
/**
* to copy object with deep copy.
* returns a clone of action.
* @return {ccs.Timeline}
*/
clone: function () {
var timeline = new ccs.Timeline();
timeline._actionTag = this._actionTag;
for (var i = 0; i < this._frames.length; i++) {
var frame = this._frames[i];
var newFrame = frame.clone();
timeline.addFrame(newFrame);
}
return timeline;
},
_apply: function (frameIndex) {
if (this._currentKeyFrame) {
var currentPercent = this._betweenDuration <= 0 ? 0 : (frameIndex - this._currentKeyFrameIndex) / this._betweenDuration;
this._currentKeyFrame.apply(currentPercent);
}
},
_binarySearchKeyFrame: function (frameIndex) {
var from = null;
var to = null;
var length = this._frames.length;
var needEnterFrame = false;
do {
if (frameIndex < this._frames[0].getFrameIndex()) {
if (this._currentKeyFrameIndex >= this._frames[0].getFrameIndex())
needEnterFrame = true;
this._fromIndex = 0;
this._toIndex = 0;
from = to = this._frames[0];
this._currentKeyFrameIndex = 0;
this._betweenDuration = this._frames[0].getFrameIndex();
break;
} else if (frameIndex >= this._frames[length - 1].getFrameIndex()) {
this._fromIndex = length - 1;
this._toIndex = 0;
from = to = this._frames[length - 1];
this._currentKeyFrameIndex = this._frames[length - 1].getFrameIndex();
this._betweenDuration = 0;
break;
}
var target = -1;
var low = 0,
high = length - 1,
mid = 0;
while (low <= high) {
mid = Math.ceil(( low + high ) / 2);
if (frameIndex >= this._frames[mid].getFrameIndex() && frameIndex < this._frames[mid + 1].getFrameIndex()) {
target = mid;
break;
}
if (this._frames[mid].getFrameIndex() > frameIndex)
high = mid - 1;
else
low = mid + 1;
}
this._fromIndex = target;
if (length > 1)
this._toIndex = (target + 1) | 0;
else
this._toIndex = (target) | 0;
from = this._frames[this._fromIndex];
to = this._frames[this._toIndex];
from = this._frames[target];
to = this._frames[target + 1];
if (target === 0 && this._currentKeyFrameIndex < from.getFrameIndex())
needEnterFrame = true;
this._currentKeyFrameIndex = from.getFrameIndex();
this._betweenDuration = to.getFrameIndex() - from.getFrameIndex();
} while (0);
if (needEnterFrame || this._currentKeyFrame != from) {
this._currentKeyFrame = from;
this._currentKeyFrame.onEnter(to);
}
},
_updateCurrentKeyFrame: function (frameIndex) {
if (frameIndex > 60)
var a = 0;
//! If play to current frame's front or back, then find current frame again
if (frameIndex < this._currentKeyFrameIndex || frameIndex >= this._currentKeyFrameIndex + this._betweenDuration) {
var from = null;
var to = null;
do
{
var length = this._frames.length;
if (frameIndex < this._frames[0].getFrameIndex()) {
from = to = this._frames[0];
this._currentKeyFrameIndex = 0;
this._betweenDuration = this._frames[0].getFrameIndex();
break;
}
else if (frameIndex >= this._frames[length - 1].getFrameIndex()) {
var lastFrameIndex = this._frames[length - 1].getFrameIndex();
if (this._currentKeyFrameIndex >= lastFrameIndex)
return;
frameIndex = lastFrameIndex;
}
do {
this._fromIndex = this._toIndex;
from = this._frames[this._fromIndex];
this._currentKeyFrameIndex = from.getFrameIndex();
this._toIndex = this._fromIndex + 1;
if (this._toIndex >= length) {
this._toIndex = 0;
}
to = this._frames[this._toIndex];
if (frameIndex === from.getFrameIndex())
break;
if (frameIndex > from.getFrameIndex() && frameIndex < to.getFrameIndex())
break;
if (from.isEnterWhenPassed())
from.onEnter(to);
} while (true);
this._betweenDuration = to.getFrameIndex() - from.getFrameIndex();
} while (0);
this._currentKeyFrame = from;
this._currentKeyFrame.onEnter(to);
}
}
});
/**
* Create the Timeline
*
* @deprecated v3.0, please use new ccs.Timeline() instead.
* @returns {ccs.Timeline}
*/
ccs.Timeline.create = function () {
return new ccs.Timeline();
};