Add wire coating

src/js/game/buildings/wire_tunnel.js

@@ -1,8 +1,19 @@
 import { Vector } from "../../core/vector";
 import { Entity } from "../entity";
-import { MetaBuilding } from "../meta_building";
+import { MetaBuilding, defaultBuildingVariant } from "../meta_building";
 import { GameRoot, enumLayer } from "../root";
 import { WireTunnelComponent } from "../components/wire_tunnel";
+import { generateMatrixRotations } from "../../core/utils";
+
+/** @enum {string} */
+export const enumWireTunnelVariants = {
+    coating: "coating",
+};
+
+const wireTunnelOverlayMatrices = {
+    [defaultBuildingVariant]: generateMatrixRotations([0, 1, 0, 1, 1, 1, 0, 1, 0]),
+    [enumWireTunnelVariants.coating]: generateMatrixRotations([0, 1, 0, 0, 1, 0, 0, 1, 0]),
+};
 
 export class MetaWireTunnelBuilding extends MetaBuilding {
     constructor() {
@@ -10,7 +21,7 @@ export class MetaWireTunnelBuilding extends MetaBuilding {
     }
 
     getSilhouetteColor() {
-        return "#25fff2";
+        return "#777a86";
     }
 
     /**
@@ -21,23 +32,55 @@ export class MetaWireTunnelBuilding extends MetaBuilding {
         return true;
     }
 
-    getIsRotateable() {
-        return false;
+    /**
+     *
+     * @param {number} rotation
+     * @param {number} rotationVariant
+     * @param {string} variant
+     * @param {Entity} entity
+     */
+    getSpecialOverlayRenderMatrix(rotation, rotationVariant, variant, entity) {
+        return wireTunnelOverlayMatrices[variant][rotation];
+    }
+
+    getIsRotateable(variant) {
+        return variant !== defaultBuildingVariant;
     }
 
     getDimensions() {
         return new Vector(1, 1);
     }
 
+    getAvailableVariants() {
+        return [defaultBuildingVariant, enumWireTunnelVariants.coating];
+    }
+
     getLayer() {
         return enumLayer.wires;
     }
 
+    getRotateAutomaticallyWhilePlacing() {
+        return true;
+    }
+
+    getStayInPlacementMode() {
+        return true;
+    }
+
     /**
      * Creates the entity at the given location
      * @param {Entity} entity
      */
     setupEntityComponents(entity) {
-        entity.addComponent(new WireTunnelComponent());
+        entity.addComponent(new WireTunnelComponent({}));
+    }
+
+    /**
+     * @param {Entity} entity
+     * @param {number} rotationVariant
+     * @param {string} variant
+     */
+    updateVariants(entity, rotationVariant, variant) {
+        entity.components.WireTunnel.multipleDirections = variant === defaultBuildingVariant;
     }
 }