Allow for custom footsteps. Some work on footsteps to make the sound less crazy. Various other updates. Added initial documentation and credits files.

levels/1.json

@@ -1,7 +1,7 @@
 {
     "level_id": 1,
     "name": "The Mausoleum",
-    "description": "After years of existing as a pile of bones, someone was crazy enough to assemble your skeleton. Time to wreak some havoc! Use W to jump, A/D to move, and CTRL to attack with your shovel.",
+    "description": "After years of existing as a pile of bones, someone was crazy enough to assemble your skeleton. Time to wreak some havoc!",
     "player_start": {
         "x": 0,
         "y": 0
@@ -28,13 +28,15 @@
             "static": true
         },
         {
-            "x": 25,
+            "x_range": [25, 30],
             "y": 0,
             "enemy_type": "goblin",
             "health": 3,
             "damage": 1,
             "attack_range": 1,
-            "movement_range": 5
+            "attack_pattern": {
+                "type": "patrol"
+            }
         },
         {
             "x": 35,
@@ -64,13 +66,15 @@
             "type": "coffin"
         },
         {
-            "x": 75,
+            "x_range": [75, 80],
             "y": 0,
             "enemy_type": "goblin",
             "health": 5,
             "damage": 2,
             "attack_range": 1,
-            "movement_range": 5
+            "attack_pattern": {
+                "type": "patrol"
+            }
         },
         {
             "x": 85,
@@ -107,10 +111,18 @@
             "direction": -1,
             "fire_interval": 5000,
             "range": 15
+        },
+        {
+            "x_range": [154, 159],
+            "y": 3,
+            "sound": "coin",
+            "collectible": true,
+            "static": true
         }
     ],
     "boundaries": {
         "left": 0,
         "right": 160
-    }
+    },
+    "footstep_sound": "footstep_stone"
 }