Fixed bridges on other bridges

server/src/map.ts

@@ -371,6 +371,30 @@ export class GameMap {
                     return;
                 }
 
+                const spawnHitbox = definition.spawnHitbox.toRectangle().clone();
+
+                // if the bridge is sideways it rotates the hitbox accordingly
+                if (!(bestOrientation % 2 == 0)) {
+                    spawnHitbox.min.y = [spawnHitbox.min.x, spawnHitbox.min.x = spawnHitbox.min.y][0];
+                    spawnHitbox.max.y = [spawnHitbox.max.x, spawnHitbox.max.x = spawnHitbox.max.y][0];
+                }
+
+                const hitbox = spawnHitbox.transform(position);
+
+                // checks if the bridge hitbox collides with another object and if so does not spawn it
+                const objects = this.game.grid.intersectsHitbox(hitbox);
+                for (const object of objects) {
+                    let objectHitbox: Hitbox | undefined;
+                    if ("spawnHitbox" in object) {
+                        objectHitbox = object.spawnHitbox;
+                    }
+                    if (objectHitbox === undefined) continue;
+
+                    if (hitbox.collidesWith(objectHitbox)) {
+                        return;
+                    }
+                }
+
                 this.occupiedBridgePositions.push(position);
                 this.generateBuilding(definition, position, bestOrientation);
                 spawnedCount++;