Initial commit

C#/TSEngine/Core/Graphics/materialManager.ts

@@ -0,0 +1,45 @@
+namespace TSE {
+
+    class MaterialReferenceNode {
+
+        public material: Material;
+        public referenceCount: number = 1;
+
+        public constructor(material: Material) {
+            this.material = material;
+        }
+
+    }
+
+    export class MaterialManager {
+
+        private static _materials: { [name: string]: MaterialReferenceNode } = {};
+
+        private constructor() { }
+
+        public static registerMaterial(material: Material): void {
+            if (MaterialManager._materials[material.name] === undefined)
+                MaterialManager._materials[material.name] = new MaterialReferenceNode(material);
+        }
+
+        public static getMaterial(materialName: string): Material {
+            if (MaterialManager._materials[materialName] === undefined) return undefined;
+
+            MaterialManager._materials[materialName].referenceCount++;
+            return MaterialManager._materials[materialName].material;
+        }
+
+        public static releaseMaterial(materialName: string): void {
+            if (MaterialManager._materials[materialName] === undefined) console.warn("Cannot release an undefined Material!");
+            else {
+                MaterialManager._materials[materialName].referenceCount--;
+                if (MaterialManager._materials[materialName].referenceCount < 1) {
+                    MaterialManager._materials[materialName].material.destroy();
+                    delete MaterialManager._materials[materialName];
+                }
+            }
+        }
+
+    }
+
+}