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Moved the depth sorting functions into the DisplayList class, as it's really the one responsible for it, not System.

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This commit is contained in:
Richard Davey 2018-01-11 13:59:06 +00:00
parent 98ae8009e0
commit 718859b02e
6 changed files with 46 additions and 26 deletions
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3
src/actions/GridAlign.js
View file

@ -1,9 +1,10 @@
var AlignIn = require('../display/align/in/QuickSet');
var CONST = require('../display/align/const');
var GetValue = require('../utils/object/GetValue');
var NOOP = require('../utils/NOOP');
var Zone = require('../gameobjects/zone/Zone');
var tempZone = new Zone({ sys: { sortChildrenFlag: false }}, 0, 0, 1, 1);
var tempZone = new Zone({ sys: { queueDepthSort: NOOP }}, 0, 0, 1, 1);
/**
* [description]

4
src/gameobjects/GameObject.js
View file

@ -121,7 +121,7 @@ var GameObject = new Class({
this.body = null;
// Tell the Scene to re-sort the children
this.scene.sys.sortChildrenFlag = true;
this.scene.sys.queueDepthSort();
},
/**
@ -294,7 +294,7 @@ var GameObject = new Class({
}
// Tell the Scene to re-sort the children
this.scene.sys.sortChildrenFlag = true;
this.scene.sys.queueDepthSort();
this.active = false;
this.visible = false;

2
src/gameobjects/components/Depth.js
View file

@ -14,7 +14,7 @@ var Depth = {
set: function (value)
{
this.scene.sys.sortChildrenFlag = true;
this.scene.sys.queueDepthSort();
this._depth = value;
}

2
src/gameobjects/components/Transform.js
View file

@ -180,7 +180,7 @@ var Transform = {
set: function (value)
{
this.scene.sys.sortChildrenFlag = true;
this.scene.sys.queueDepthSort();
this._depth = value;
}

26
src/scene/local/Systems.js
View file

@ -29,8 +29,6 @@ var Systems = new Class({
this.config = config;
this.settings = Settings.create(config);
this.sortChildrenFlag = false;
// Set by the GlobalSceneManager
this.canvas;
this.context;
@ -157,37 +155,23 @@ var Systems = new Class({
return;
}
// inlined to avoid branching
if (this.sortChildrenFlag)
{
StableSort.inplace(this.displayList.list, this.sortZ);
var displayList = this.displayList;
this.sortChildrenFlag = false;
}
displayList.process();
this.cameras.render(renderer, this.displayList, interpolation);
this.cameras.render(renderer, displayList, interpolation);
},
// Force a sort of the display list on the next render
queueDepthSort: function ()
{
this.sortChildrenFlag = true;
this.displayList.queueDepthSort();
},
// Immediately sorts the display list if the flag is set
depthSort: function ()
{
if (this.sortChildrenFlag)
{
StableSort.inplace(this.displayList.list, this.sortZ);
this.sortChildrenFlag = false;
}
},
sortZ: function (childA, childB)
{
return childA._depth - childB._depth;
this.displayList.depthSort();
},
// A paused Scene still renders, it just doesn't run ANY of its update handlers or systems

35
src/scene/plugins/DisplayList.js
View file

@ -1,4 +1,5 @@
var Class = require('../../utils/Class');
var StableSort = require('../../utils/array/StableSort');
var DisplayList = new Class({
@ -13,9 +14,43 @@ var DisplayList = new Class({
// The equivalent of the old `Sprite.children` array.
this.list = [];
this.sortChildrenFlag = false;
this.position = 0;
},
process: function ()
{
if (this.sortChildrenFlag)
{
StableSort.inplace(this.list, this.sortZ);
this.sortChildrenFlag = false;
}
},
sortZ: function (childA, childB)
{
return childA._depth - childB._depth;
},
// Force a sort of the display list on the next call to process
queueDepthSort: function ()
{
this.sortChildrenFlag = true;
},
// Immediately sorts the display list if the flag is set
depthSort: function ()
{
if (this.sortChildrenFlag)
{
StableSort.inplace(this.list, this.sortZ);
this.sortChildrenFlag = false;
}
},
add: function (child)
{
// Is child already in this display list?