1 files changed, 71 insertions, 1 deletions

diff --git a/client/src/map.ts b/client/src/map.ts
index 1ad6d63..70de0b8 100644
--- a/client/src/map.ts
+++ b/client/src/map.ts
@@ -1,4 +1,4 @@
-import { Wall, ItemType, Map, Maps, Items, Tile } from "./types.js"
+import { Wall, ItemType, Map, Maps, Items, Tile, SpawnIndex, Vec2 } from "./types.js"
 import { LZString } from "./lib/lz-string.js"
 
 export const getItemKey = (
@@ -165,6 +165,76 @@ export const getMap = (mapId: number): Map | undefined => {
     return mapData[mapId]
 }
 
+export const checkMap = (map: Map): [boolean, string | Vec2[]] => {
+    let spawns = new Array(5).fill(undefined)
+    let hasFood = false
+    let hasThicc = false
+    let hasInitial = false
+
+    if (map.width < 5 || map.height < 5 || map.width > 50 || map.height > 50) {
+        return [false, "Map but be between either 5 or 50 on both axies"]
+    }
+
+    for (let y = 0; y < map.height; y++) {
+        for (let x = 0; x < map.width; x++) {
+
+            let type = map.data[y * map.width + x]
+
+            switch (type) {
+                case Tile.FOOD:
+                    hasFood = true
+                    break
+                case Tile.THICC_DOT:
+                    hasThicc = true
+                    break
+                case Tile.INITIAL_DOT:
+                    hasInitial = true
+                    break
+                case Tile.PLAYER_SPAWN_1:
+                    if (spawns[SpawnIndex.PAC_SPAWN_1])
+                        return [false, "Map cannot have duplicate spawns"]
+                    spawns[SpawnIndex.PAC_SPAWN_1] = {x, y}
+                    break
+                case Tile.PLAYER_SPAWN_2:
+                    if (spawns[SpawnIndex.PAC_SPAWN_2])
+                        return [false, "Map cannot have duplicate spawns"]
+                    spawns[SpawnIndex.PAC_SPAWN_2] = {x, y}
+                    break
+                case Tile.PLAYER_SPAWN_3:
+                    if (spawns[SpawnIndex.PAC_SPAWN_3])
+                        return [false, "Map cannot have duplicate spawns"]
+                    spawns[SpawnIndex.PAC_SPAWN_3] = {x, y}
+                    break
+                case Tile.PLAYER_SPAWN_4:
+                    if (spawns[SpawnIndex.PAC_SPAWN_4])
+                        return [false, "Map cannot have duplicate spawns"]
+                    spawns[SpawnIndex.PAC_SPAWN_4] = {x, y}
+                    break
+                case Tile.GHOST_SPAWN:
+                    if (spawns[SpawnIndex.GHOST_SPAWN])
+                        return [false, "Map cannot have duplicate spawns"]
+                    spawns[SpawnIndex.GHOST_SPAWN] = {x, y}
+                    break
+            }
+
+        }
+    }
+
+    if (!hasFood)
+        return [false, "Map must have at least 1 food"]
+
+    if (!hasThicc)
+        return [false, "Map must have at least 1 thicc dot"]
+
+    if (!hasInitial)
+        return [false, "Map must have at least 1 initial dot"]
+
+    if (spawns.filter(s => s === undefined).length > 0)
+        return [false, "Map must have 4 pac spawns and 1 ghost spawn"]
+
+    return [true, spawns]
+}
+
 export const compressMap = (map: Map): string => {
     let encoded = map.width + '|' + map.height + '|' + map.data.map(n => n + ',').join('').slice(0, -1)
     return LZString.compressToBase64(encoded)