Add project code

objects/o_spawner/Create_0.gml

@@ -0,0 +1,4 @@
+depth = -bbox_top;
+
+timer = 600;
+spawn_time = 10 * 60;

objects/o_spawner/Step_0.gml

@@ -0,0 +1,18 @@
+if pause_movement() { exit; }
+
+timer++;
+
+// Reset when limit reached
+if instance_number(o_parent_enemy) >= global.enemyActiveMax || global.totalEnemiesSpawned >= global.enemyRoomMax {
+	timer = 0;
+}
+
+// Spawn enemy
+if timer >= spawn_time && !place_meeting(x, y, o_archer) {
+	var _inst = instance_create_depth(x, y, -500, o_archer);
+	with _inst {
+		image_alpha = 0;
+		state = -1;
+	}
+	timer = 0;
+}

objects/o_spawner/o_spawner.yy

@@ -0,0 +1,42 @@
+{
+  "$GMObject":"",
+  "%Name":"o_spawner",
+  "eventList":[
+    {"$GMEvent":"v1","%Name":"","collisionObjectId":null,"eventNum":0,"eventType":0,"isDnD":false,"name":"","resourceType":"GMEvent","resourceVersion":"2.0",},
+    {"$GMEvent":"v1","%Name":"","collisionObjectId":null,"eventNum":0,"eventType":3,"isDnD":false,"name":"","resourceType":"GMEvent","resourceVersion":"2.0",},
+  ],
+  "managed":true,
+  "name":"o_spawner",
+  "overriddenProperties":[],
+  "parent":{
+    "name":"Enemies",
+    "path":"folders/Enemies.yy",
+  },
+  "parentObjectId":{
+    "name":"o_solid_wall",
+    "path":"objects/o_solid_wall/o_solid_wall.yy",
+  },
+  "persistent":false,
+  "physicsAngularDamping":0.1,
+  "physicsDensity":0.5,
+  "physicsFriction":0.2,
+  "physicsGroup":1,
+  "physicsKinematic":false,
+  "physicsLinearDamping":0.1,
+  "physicsObject":false,
+  "physicsRestitution":0.1,
+  "physicsSensor":false,
+  "physicsShape":1,
+  "physicsShapePoints":[],
+  "physicsStartAwake":true,
+  "properties":[],
+  "resourceType":"GMObject",
+  "resourceVersion":"2.0",
+  "solid":false,
+  "spriteId":{
+    "name":"s_spawner",
+    "path":"sprites/s_spawner/s_spawner.yy",
+  },
+  "spriteMaskId":null,
+  "visible":true,
+}