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Adding support for multiple tile filters #200

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Adding support for multiple tile filters #200

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21 changes: 17 additions & 4 deletions src/org/flixel/FlxTilemap.as
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Original file line number Diff line number Diff line change
Expand Up @@ -943,6 +943,7 @@ package org.flixel
public function overlapsWithCallback(TargetObject:FlxObject,Callback:Function=null,FlipCallbackParams:Boolean=false,Position:FlxPoint=null):Boolean
{
var results:Boolean = false;
var objInFilters:Boolean = false;

var X:Number = x;
var Y:Number = y;
Expand Down Expand Up @@ -1000,7 +1001,19 @@ package org.flixel
}
if(overlapFound)
{
if((tile.callback != null) && ((tile.filter == null) || (TargetObject is tile.filter)))
if (tile.filters != null)
{
for each(var classObj:Class in tile.filters)
{
if (TargetObject is classObj)
{
objInFilters = true;
break;
}
}
}

if((tile.callback != null) && ((tile.filters == null) || (objInFilters)))
{
tile.mapIndex = rowStart+column;
tile.callback(tile,TargetObject);
Expand Down Expand Up @@ -1201,10 +1214,10 @@ package org.flixel
* @param Tile The tile or tiles you want to adjust.
* @param AllowCollisions Modify the tile or tiles to only allow collisions from certain directions, use FlxObject constants NONE, ANY, LEFT, RIGHT, etc. Default is "ANY".
* @param Callback The function to trigger, e.g. <code>lavaCallback(Tile:FlxTile, Object:FlxObject)</code>.
* @param CallbackFilter If you only want the callback to go off for certain classes or objects based on a certain class, set that class here.
* @param CallbackFilters If you only want the callback to go off for certain classes or objects based on a certain class, set those classes here.
* @param Range If you want this callback to work for a bunch of different tiles, input the range here. Default value is 1.
*/
public function setTileProperties(Tile:uint,AllowCollisions:uint=0x1111,Callback:Function=null,CallbackFilter:Class=null,Range:uint=1):void
public function setTileProperties(Tile:uint,AllowCollisions:uint=0x1111,Callback:Function=null,CallbackFilters:Array=null,Range:uint=1):void
{
if(Range <= 0)
Range = 1;
Expand All @@ -1216,7 +1229,7 @@ package org.flixel
tile = _tileObjects[i++] as FlxTile;
tile.allowCollisions = AllowCollisions;
tile.callback = Callback;
tile.filter = CallbackFilter;
tile.filters = CallbackFilters;
}
}

Expand Down
8 changes: 4 additions & 4 deletions src/org/flixel/system/FlxTile.as
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Original file line number Diff line number Diff line change
Expand Up @@ -19,12 +19,12 @@ package org.flixel.system
*/
public var callback:Function;
/**
* Each tile can store its own filter class for their callback functions.
* Each tile can store its own filter classes for their callback functions.
* That is, the callback will only be triggered if an object with a class
* type matching the filter touched it.
* type matching any of the filters touched it.
* Defaults to null, set through <code>FlxTilemap.setTileProperties()</code>.
*/
public var filter:Class;
public var filters:Array;
/**
* A reference to the tilemap this tile object belongs to.
*/
Expand Down Expand Up @@ -58,7 +58,7 @@ package org.flixel.system
immovable = true;
moves = false;
callback = null;
filter = null;
filters = null;

tilemap = Tilemap;
index = Index;
Expand Down