Added NPCs (#94)

part of #4

src/gameObjects/map_city/index.js

@@ -1,4 +1,6 @@
+import { npcsInCityMap } from './npcsOnmap_city';
 const gameObjects = [
+    npcsInCityMap,
     // Add more game objects here
 ];
 

src/gameObjects/map_city/npcsOnmap_city.js

@@ -0,0 +1,84 @@
+import { scaleFactor } from '../../constants';
+import { makeNpc } from '../../factories/npc.factory';
+
+export const npcsInCityMap = (k, map, spawnpoints) => {
+    const npcStore = [];
+
+    // function to spawn NPCs based on object patterns and position adjustments
+    const createNpcsForPattern = (
+        patterns,
+        adjustments,
+        direction = 'idle-side'
+    ) => {
+        const objects = map
+            .get('*')
+            .filter((obj) =>
+                patterns.some((pattern) =>
+                    obj.tags.some((tag) => pattern.test(tag))
+                )
+            );
+
+        objects.forEach((obj) => {
+            const { xAdjust, yAdjust } = adjustments;
+            const npcDirection = obj.tiledProps?.direction || direction;
+
+            const npc = makeNpc(
+                obj.name,
+                k.vec2(
+                    (map.pos.x + obj.pos.x + xAdjust) * scaleFactor,
+                    (map.pos.y + obj.pos.y + yAdjust) * scaleFactor
+                ),
+                npcDirection,
+                'map_city'
+            );
+
+            npcStore.push(npc);
+        });
+    };
+
+    // Define patterns and their corresponding adjustments
+    const npcPatterns = [
+        {
+            patterns: [/stall_/, /snack_bar_/],
+            adjustments: { xAdjust: 12, yAdjust: 18 },
+            direction: 'idle-down',
+        },
+        {
+            patterns: [/snack_bar_red/],
+            adjustments: { xAdjust: 12, yAdjust: 18 },
+            direction: 'idle-up',
+        },
+        {
+            patterns: [/burger_bar_chairs/],
+            adjustments: { xAdjust: 12, yAdjust: 6 },
+            direction: 'idle-up',
+        },
+        {
+            patterns: [/enter_map_arcade/],
+            adjustments: { xAdjust: 12, yAdjust: 6 },
+            direction: 'idle-down',
+        },
+        {
+            patterns: [/car_/],
+            adjustments: { xAdjust: 30, yAdjust: 6 },
+            direction: 'idle-down',
+        },
+        {
+            patterns: [/car_orange/],
+            adjustments: { xAdjust: 40, yAdjust: 6 },
+            direction: 'idle-side',
+        },
+        {
+            patterns: [/burger_bar_menu_sign/],
+            adjustments: { xAdjust: 12, yAdjust: 40 },
+            direction: 'idle-down',
+        },
+    ];
+
+    // Generate NPCs
+    npcPatterns.forEach(({ patterns, adjustments, direction }) => {
+        createNpcsForPattern(patterns, adjustments, direction);
+    });
+
+    return npcStore;
+};