1 files changed, 72 insertions, 0 deletions
diff --git a/js/helper-classes/RDGE/src/core/script/objectManager.js b/js/helper-classes/RDGE/src/core/script/objectManager.js
new file mode 100644
index 00000000..0bb8b91b
--- /dev/null
+++ b/js/helper-classes/RDGE/src/core/script/objectManager.js
@@ -0,0 +1,72 @@
+/* <copyright>
+This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
+No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
+(c) Copyright 2011 Motorola Mobility, Inc.  All Rights Reserved.
+</copyright> */
+/* generic handle-based object manager
+*/
+objectManager = function() {
+        this.guidCounter = 0;
+        this.objects = [];
+        this.numObjects = 0;
+        this.freelist = [];
+        
+        this.reset = function() {
+                this.objects = [];
+                this.freelist = [];
+                this.guidCounter = 0;
+        }
+        
+        // validHandle
+        this.validHandle = function(h) {
+                return this.handleToIndex(h) != -1;
+        }
+        
+        // handleToIndex
+        this.handleToIndex = function(h) {
+                var index = ( h >> 16 ) & 0xFFFF;
+                if( this.objects[index] != null && h == this.objects[index].handle ) {
+                        return index;
+                }
+                return -1;
+        }
+        // handleToObject       
+        this.handleToObject = function(h) {
+                var index = this.handleToIndex( h ); 
+                if( index != -1 ) {
+                        return this.objects[index];
+                }
+                return null;
+        }
+        
+        // add object
+        this.addObject = function(ob) {
+                var index = this.objects.length;
+                if( this.freelist.length > 0 ) {
+                        index = this.freelist.pop(); 
+                }
+                if( ++this.guidCounter >= 0xFFFF ) {
+                        // wrap the counter, zero is reserved for invalid handles.
+                        this.guidCounter = 1;
+                }
+                ob.handle = ( index << 16 | ++this.guidCounter );                               
+                this.objects[index] = ob;
+                
+                return ob.handle;
+        }
+        
+        // remove object
+        this.removeObject = function(h) {       
+                var index = this.handleToIndex( h );    
+                if( index != -1 ) {
+                        if( this.objects[index].onremove != undefined ) {
+                                this.objects[index].onremove();
+                        }
+                        this.objects[index] = null;
+                        this.freelist.push(index);
+                }
+        }
+}
+\ No newline at end of file

diff --git a/js/helper-classes/RDGE/src/core/script/objectManager.js b/js/helper-classes/RDGE/src/core/script/objectManager.js new file mode 100644 index 00000000..0bb8b91b --- /dev/null +++ b/js/helper-classes/RDGE/src/core/script/objectManager.js
@@ -0,0 +1,72 @@
	1	/* <copyright>
	2	This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
	3	No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
	4	(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
	5	</copyright> */
	6
	7	/* generic handle-based object manager
	8	*/
	9	objectManager = function() {
	10	this.guidCounter = 0;
	11	this.objects = [];
	12	this.numObjects = 0;
	13	this.freelist = [];
	14
	15	this.reset = function() {
	16	this.objects = [];
	17	this.freelist = [];
	18	this.guidCounter = 0;
	19	}
	20
	21	// validHandle
	22	this.validHandle = function(h) {
	23	return this.handleToIndex(h) != -1;
	24	}
	25
	26	// handleToIndex
	27	this.handleToIndex = function(h) {
	28	var index = ( h >> 16 ) & 0xFFFF;
	29	if( this.objects[index] != null && h == this.objects[index].handle ) {
	30	return index;
	31	}
	32	return -1;
	33	}
	34
	35	// handleToObject
	36	this.handleToObject = function(h) {
	37	var index = this.handleToIndex( h );
	38	if( index != -1 ) {
	39	return this.objects[index];
	40	}
	41	return null;
	42	}
	43
	44	// add object
	45	this.addObject = function(ob) {
	46	var index = this.objects.length;
	47
	48	if( this.freelist.length > 0 ) {
	49	index = this.freelist.pop();
	50	}
	51	if( ++this.guidCounter >= 0xFFFF ) {
	52	// wrap the counter, zero is reserved for invalid handles.
	53	this.guidCounter = 1;
	54	}
	55	ob.handle = ( index << 16 \| ++this.guidCounter );
	56	this.objects[index] = ob;
	57
	58	return ob.handle;
	59	}
	60
	61	// remove object
	62	this.removeObject = function(h) {
	63	var index = this.handleToIndex( h );
	64	if( index != -1 ) {
	65	if( this.objects[index].onremove != undefined ) {
	66	this.objects[index].onremove();
	67	}
	68	this.objects[index] = null;
	69	this.freelist.push(index);
	70	}
	71	}
	72	} \ No newline at end of file