create constructor

base structure updates.
IPackerOptions

src/Materials/Textures/Packer/packer.ts

@@ -1,2 +1,82 @@
 import { BaseTexture } from "../../Materials/Textures/baseTexture";
-import { Constants } from "../../Engines/constants";
+import { Constants } from "../../Engines/constants";
+import { AbstractMesh } from "../../Meshes/abstractMesh";
+import { VertexBuffer } from "../../Meshes/buffer";
+
+/**
+ * Defines the basic options interface of a SpriteMap
+ */
+export interface IPackerOptions{
+
+    /**
+	 * Custom targets for the channels of a texture packer.  Default is all the channels of the Standard Material
+	 */
+    map?: string[];
+
+    /**
+	 * the UV input targets, as a single value for all meshes or an array of values that matches the mesh count.  Defaults to VertexBuffer.UVKind
+	 */
+    uvsIn?: number | number[];
+
+    /**
+	 * the UV output targets, as a single value for all meshes or an array of values that matches the mesh count.  Defaults to VertexBuffer.UVKind
+	 */
+    uvsOut?: number | number[];
+
+    /**
+	 * number representing the layout style. Defaults to LAYOUT_STRIP
+	 */
+    layout?: number;
+
+    /**
+	 * number of columns if using custom column count layout(2).  This defaults to 4.
+	 */
+    colcount?: number;
+
+    /**
+	 * flag to update the input meshes to the new packed texture after compilation. Defaults to true.
+	 */
+    updateInputMeshes?: boolean;
+
+    /**
+	* boolean flag to dispose all the source textures.  Defaults to true.
+	*/
+    disposeSource?: boolean;
+
+    /**
+	 * Fills the blank cells in a set to the customFillColor.  Defaults to true.
+	 */
+    fillBlanks?: boolean;
+    
+    /**
+	 * string value representing the context fill style color.  Defaults to 'black'.
+	 */
+    customFillColor?: string;
+
+}
+
+/**
+ * This is a support class that generates a series of packed texture sets.
+ * @see #TODO ADD THIS
+ */ 
+export class Packer{ 
+   
+    /** mag = nearest and min = nearest and mip = nearest */
+    public static readonly LAYOUT_STRIP = Constants.LAYOUT_STRIP;
+    /** mag = nearest and min = linear and mip = nearest */
+    public static readonly LAYOUT_POWER2 = Constants.LAYOUT_POWER2;
+    /** mag = nearest and min = linear and mip = linear */
+    public static readonly LAYOUT_COLNUM = Constants.LAYOUT_COLNUM;
+
+    /**
+    * Initializes a texture package series from an array of meshes or a single mesh. 
+    * @param name The name of the package
+    * @param meshes The target meshes to compose the package from
+    * @param options The arguments that texture packer should follow while building.
+    * @param scene The scene which the textures are scoped to.
+    * @returns Packer
+    */
+    constructor(name: string, meshes: AbstractMesh | AbstractMesh[], options, scene ){
+              
+    }    
+}