From 8a8caeef768c506b1cc0538bd7335e2b69e6eaa4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20B=C3=BChler?= <stbuehler@web.de>
Date: Sat, 14 Jul 2012 17:47:05 +0200
Subject: [PATCH] use one sprite image

---
 js/gui.js | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/js/gui.js b/js/gui.js
index 5573ff8..17d5995 100644
--- a/js/gui.js
+++ b/js/gui.js
@@ -4,15 +4,19 @@ var mineGui_customNdx = 1;
 var mineGui_canvas = true;
 
 var mineGui_imgSources = {
-	'R': 'robot.png',
-	'#': 'wall.png',
-	'*': 'rock.png',
-	'\\': 'lambda.png',
-	'L': 'liftclosed.png',
-	'O': 'liftopen.png',
-	'.': 'earth.png',
-	' ': 'empty.png'
+	'sprites': 'sprites.png'
 };
+var mineGui_spriteOffset = {
+	'R': 5,
+	'#': 7,
+	'*': 6,
+	'\\': 2,
+	'L': 3,
+	'O': 4,
+	'.': 0,
+	' ': 1
+};
+
 var mineGui_images = {};
 var mineGui_imagesNeed = 0;
 
@@ -203,9 +207,11 @@ function mineGui_show() {
 		ctx.globalAlpha=1.0;
 		ctx.fillStyle = "black";
 		ctx.fillRect(0,0,canv.width, canv.height);
+		var sprites = mineGui_images.sprites;
+		
 		for (var y = 0; y < mineGui_mine.height; ++y) {
 			for (var x = 0; x < mineGui_mine.width; ++x) {
-				ctx.drawImage(mineGui_images[map[y][x]],16*x,16*y);
+				ctx.drawImage(sprites, mineGui_spriteOffset[map[y][x]] * 16, 0, 16, 16, 16*x, 16*y, 16, 16);
 			}
 		}
 		ctx.fillStyle = "#0000FF";