From cd53bb05a0121973dfb68ce1b255aebb75bd501a Mon Sep 17 00:00:00 2001
From: Nao Pross <naopross@thearcway.org>
Date: Sat, 22 Dec 2018 03:35:21 +0100
Subject: Skip rendering for blank tiles (value = 0)

---
 src/graphics.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/graphics.rs b/src/graphics.rs
index 8ccdbd3..9af03f4 100644
--- a/src/graphics.rs
+++ b/src/graphics.rs
@@ -87,6 +87,12 @@ impl Graphics {
 				for layer in &state.map.layers {
 
 					let tmx_tile = layer.tiles[y as usize][x as usize];
+
+					// blank tile
+					if tmx_tile <= 0 {
+						continue;
+					}
+
 					let tmx_tileset = state.map.get_tileset_by_gid(tmx_tile).unwrap();
 
 					// load tileset if not loaded yet
-- 
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