Check for the total gold limit of 1 byte

1 files changed, 8 insertions, 0 deletions

diff --git a/tools/map.py b/tools/map.py
index d4a23a0..5522a9e 100755
--- a/tools/map.py
+++ b/tools/map.py
@@ -45,6 +45,14 @@ def main():
     out = list(map(lambda x: (x - tileset["firstgid"]) & 0xFF, map_layer["data"]))
 
     gold_layer = get_layer(data, "Gold")
+
+    total_gold = 0
+    for t in gold_layer["data"]:
+        if t != 0:
+            total_gold += 1
+    if total_gold > 255:
+        parser.error("There are more than 255 gold pieces on the screen")
+
     out.extend(map(lambda x: (x - tileset["firstgid"]) & 0xFF, gold_layer["data"]))
 
     # TODO: process map entities