add port

src/client/graphics/layers/UnitLayer.ts

@@ -5,23 +5,34 @@ import { bfs, dist, euclDist } from "../../../core/Util";
 import { Layer } from "./Layer";
 import { EventBus } from "../../../core/EventBus";
 
-import anchorIncon from '../../../../../resources/images/AnchorIcon.png';
+import anchorIcon from '../../../../resources/images/AnchorIcon.png';
 
 export class UnitLayer implements Layer {
-    private canvas: HTMLCanvasElement
+    private canvas: HTMLCanvasElement;
-    private context: CanvasRenderingContext2D
+    private context: CanvasRenderingContext2D;
-    private imageData: ImageData
+    private imageData: ImageData;
+    private anchorImage: HTMLImageElement;
+    private anchorImageLoaded: boolean = false;
 
-    private boatToTrail = new Map<Unit, Set<Tile>>()
+    private boatToTrail = new Map<Unit, Set<Tile>>();
 
-    private theme: Theme = null
+    private theme: Theme = null;
 
     constructor(private game: Game, private eventBus: EventBus) {
-        this.theme = game.config().theme()
+        this.theme = game.config().theme();
+        this.loadAnchorImage();
+    }
+
+    private loadAnchorImage() {
+        this.anchorImage = new Image();
+        this.anchorImage.onload = () => {
+            this.anchorImageLoaded = true;
+        };
+        this.anchorImage.src = anchorIcon;
     }
 
     shouldTransform(): boolean {
-        return true
+        return true;
     }
 
     tick() {
@@ -29,23 +40,23 @@ export class UnitLayer implements Layer {
 
     init(game: Game) {
         this.canvas = document.createElement('canvas');
-        this.context = this.canvas.getContext("2d")
+        this.context = this.canvas.getContext("2d");
 
-        this.imageData = this.context.getImageData(0, 0, this.game.width(), this.game.height())
+        this.imageData = this.context.getImageData(0, 0, this.game.width(), this.game.height());
         this.canvas.width = this.game.width();
         this.canvas.height = this.game.height();
         this.context.putImageData(this.imageData, 0, 0);
-        this.initImageData()
+        this.initImageData();
 
-        this.eventBus.on(UnitEvent, e => this.onUnitEvent(e))
+        this.eventBus.on(UnitEvent, e => this.onUnitEvent(e));
     }
 
     initImageData() {
         this.game.forEachTile((tile) => {
-            const index = (tile.cell().y * this.game.width()) + tile.cell().x
+            const index = (tile.cell().y * this.game.width()) + tile.cell().x;
-            const offset = index * 4
+            const offset = index * 4;
-            this.imageData.data[offset + 3] = 0
+            this.imageData.data[offset + 3] = 0;
-        })
+        });
     }
 
     renderLayer(context: CanvasRenderingContext2D) {
@@ -56,68 +67,115 @@ export class UnitLayer implements Layer {
             -this.game.height() / 2,
             this.game.width(),
             this.game.height()
-        )
+        );
     }
 
+    private handlePortEvent(event: UnitEvent) {
+        if (!this.anchorImageLoaded) return;
+
+        // Create a temporary canvas to process the anchor icon
+        const tempCanvas = document.createElement('canvas');
+        const tempContext = tempCanvas.getContext('2d');
+        tempCanvas.width = this.anchorImage.width;
+        tempCanvas.height = this.anchorImage.height;
+
+        // Draw the anchor icon to the temporary canvas
+        tempContext.drawImage(this.anchorImage, 0, 0);
+        const iconData = tempContext.getImageData(0, 0, tempCanvas.width, tempCanvas.height);
+
+        // Calculate position to center the icon on the port
+        const cell = event.unit.tile().cell();
+        const startX = cell.x - Math.floor(tempCanvas.width / 2);
+        const startY = cell.y - Math.floor(tempCanvas.height / 2);
+
+        bfs(event.unit.tile(), euclDist(event.unit.tile(), 8))
+            .forEach(t => this.paintCell(t.cell(), this.theme.territoryColor(event.unit.owner().info()), 255));
+        // Process each pixel of the icon
+        for (let y = 0; y < tempCanvas.height; y++) {
+            for (let x = 0; x < tempCanvas.width; x++) {
+                const iconIndex = (y * tempCanvas.width + x) * 4;
+                const alpha = iconData.data[iconIndex + 3];
+
+                if (alpha > 0) {  // Only process non-transparent pixels
+                    const targetX = startX + x;
+                    const targetY = startY + y;
+
+                    // Check if the target pixel is within the game bounds
+                    if (targetX >= 0 && targetX < this.game.width() &&
+                        targetY >= 0 && targetY < this.game.height()) {
+
+                        // Color the pixel using the unit owner's colors
+                        this.paintCell(
+                            new Cell(targetX, targetY),
+                            this.theme.borderColor(event.unit.owner().info()),
+                            alpha
+                        );
+                    }
+                }
+            }
+        }
+    }
 
     onUnitEvent(event: UnitEvent) {
         switch (event.unit.type()) {
             case UnitType.TransportShip:
-                this.handleBoatEvent(event)
+                this.handleBoatEvent(event);
-                break
+                break;
             case UnitType.Destroyer:
-                this.handleDestroyerEvent(event)
+                this.handleDestroyerEvent(event);
-                break
+                break;
+            case UnitType.Port:
+                this.handlePortEvent(event);
+                break;
             default:
-                throw Error(`event for unit ${event.unit.type()} not supported`)
+                throw Error(`event for unit ${event.unit.type()} not supported`);
         }
     }
 
     private handleDestroyerEvent(event: UnitEvent) {
         bfs(event.oldTile, euclDist(event.oldTile, 3)).forEach(t => {
-            this.clearCell(t.cell())
+            this.clearCell(t.cell());
-        })
+        });
         bfs(event.unit.tile(), euclDist(event.unit.tile(), 3))
-            .forEach(t => this.paintCell(t.cell(), this.theme.borderColor(event.unit.owner().info()), 255))
+            .forEach(t => this.paintCell(t.cell(), this.theme.borderColor(event.unit.owner().info()), 255));
         bfs(event.unit.tile(), euclDist(event.unit.tile(), 2))
-            .forEach(t => this.paintCell(t.cell(), this.theme.territoryColor(event.unit.owner().info()), 180))
+            .forEach(t => this.paintCell(t.cell(), this.theme.territoryColor(event.unit.owner().info()), 180));
     }
 
     private handleBoatEvent(event: UnitEvent) {
         if (!this.boatToTrail.has(event.unit)) {
-            this.boatToTrail.set(event.unit, new Set<Tile>())
+            this.boatToTrail.set(event.unit, new Set<Tile>());
         }
-        const trail = this.boatToTrail.get(event.unit)
+        const trail = this.boatToTrail.get(event.unit);
-        trail.add(event.oldTile)
+        trail.add(event.oldTile);
         bfs(event.oldTile, dist(event.oldTile, 3)).forEach(t => {
-            this.clearCell(t.cell())
+            this.clearCell(t.cell());
-        })
+        });
         if (event.unit.isActive()) {
             bfs(event.unit.tile(), dist(event.unit.tile(), 4)).forEach(
                 t => {
                     if (trail.has(t)) {
-                        this.paintCell(t.cell(), this.theme.territoryColor(event.unit.owner().info()), 150)
+                        this.paintCell(t.cell(), this.theme.territoryColor(event.unit.owner().info()), 150);
                     }
                 }
-            )
+            );
             bfs(event.unit.tile(), dist(event.unit.tile(), 2))
-                .forEach(t => this.paintCell(t.cell(), this.theme.borderColor(event.unit.owner().info()), 255))
+                .forEach(t => this.paintCell(t.cell(), this.theme.borderColor(event.unit.owner().info()), 255));
             bfs(event.unit.tile(), dist(event.unit.tile(), 1))
-                .forEach(t => this.paintCell(t.cell(), this.theme.territoryColor(event.unit.owner().info()), 180))
+                .forEach(t => this.paintCell(t.cell(), this.theme.territoryColor(event.unit.owner().info()), 180));
         } else {
-            trail.forEach(t => this.clearCell(t.cell()))
+            trail.forEach(t => this.clearCell(t.cell()));
-            this.boatToTrail.delete(event.unit)
+            this.boatToTrail.delete(event.unit);
         }
     }
 
-
     paintCell(cell: Cell, color: Colord, alpha: number) {
-        const index = (cell.y * this.game.width()) + cell.x
+        const index = (cell.y * this.game.width()) + cell.x;
-        const offset = index * 4
+        const offset = index * 4;
         this.imageData.data[offset] = color.rgba.r;
         this.imageData.data[offset + 1] = color.rgba.g;
         this.imageData.data[offset + 2] = color.rgba.b;
-        this.imageData.data[offset + 3] = alpha
+        this.imageData.data[offset + 3] = alpha;
     }
 
     clearCell(cell: Cell) {
@@ -125,6 +183,4 @@ export class UnitLayer implements Layer {
         const offset = index * 4;
         this.imageData.data[offset + 3] = 0; // Set alpha to 0 (fully transparent)
     }
-
-
 }

src/core/execution/PortExecution.ts

@@ -1,8 +1,10 @@
-import { AllPlayers, Cell, Execution, MutableGame, MutablePlayer, PlayerID } from "../game/Game";
+import { AllPlayers, Cell, Execution, MutableGame, MutablePlayer, PlayerID, UnitType } from "../game/Game";
 
 export class PortExecution implements Execution {
 
     private active = true
+    private mg: MutableGame
+    private player: MutablePlayer
 
     constructor(
         private _owner: PlayerID,
@@ -11,9 +13,13 @@ export class PortExecution implements Execution {
 
 
     init(mg: MutableGame, ticks: number): void {
+        this.mg = mg
+        this.player = mg.player(this._owner)
     }
 
     tick(ticks: number): void {
+        this.player.addUnit(UnitType.Port, 0, this.mg.tile(this.cell))
+        this.active = false
     }
 
     owner(): MutablePlayer {

src/core/game/Game.ts

@@ -38,7 +38,7 @@ export class Item {
 export const Items = {
     Nuke: new Item("Nuke", 1_000_000),
     Destroyer: new Item("Destroyer", 10),
-    Port: new Item("Port", 10)
+    Port: new Item("Port", 0)
 } as const;
 
 export class Nation {