Fixed some errors in the data sets

data/json/environment.json

 		"day_shade":[0,32,64,32],
 		"night_shade":[0,0,64,32],
 		"defs":[
-			"Night":[0,64,64,32],
-			"Day":[0,96,64,32],
-			"C. Wood":[0,128,64,32]
+			{
+				"name":"Night",
+				"rect":[0,64,64,32]
+			},
+			{
+				"name":"Day",
+				"rect":[0,96,64,32]
+			},
+			{
+				"name":"C. Wood",
+				"rect":[0,128,64,32]
+			}
 		]
 	},
 	"ground":{
-		"src":"maptiles/CeilingsFloors.png"
+		"src":"maptiles/CeilingsFloors.png",
 		"day_shade":[0,32,64,32],
 		"night_shade":[0,0,64,32],
 		"defs":[
-			"G. Wood":[128,0,64,32],
-			"G. Gravel":[128,32,64,32]
+			{
+				"name":"G. Wood",
+				"rect":[128,0,64,32]
+			},
+			{
+				"name":"G. Gravel",
+				"rect":[128,32,64,32]
+			}
 		]
 	}
 }

data/json/walls.json

 			"f_close":[0,0,48,48],
 			"f_mid":[48,0,32,32],
 			"f_far":[48,32,16,16],
-			"s_close":[0,48,8,64],
-			"s_mid":[8,48,8,64],
-			"s_far":[16,48,9,64]
+			"s_close":[16,48,8,64],
+			"s_mid":[8,56,8,48],
+			"s_far":[0,64,8,32]
 		},
 		{
 			"name":"Wood",
 			"f_close":[80,0,48,48],
 			"f_mid":[128,0,32,32],
 			"f_far":[128,32,16,16],
-			"s_close":[80,48,8,64],
-			"s_mid":[88,48,8,64],
-			"s_far":[96,48,9,64]
+			"s_close":[96,48,8,64],
+			"s_mid":[88,56,8,48],
+			"s_far":[80,64,8,32]
 		},
 		{
 			"name":"Daub",
 			"f_close":[160,0,48,48],
 			"f_mid":[208,0,32,32],
 			"f_far":[208,32,16,16],
-			"s_close":[160,48,8,64],
-			"s_mid":[168,48,8,64],
-			"s_far":[176,48,9,64]
+			"s_close":[176,48,8,64],
+			"s_mid":[168,56,8,48],
+			"s_far":[160,64,8,32]
 		}
 	],
 	"doors":[
 				"f_close":[0,112,48,48],
 				"f_mid":[48,112,32,32],
 				"f_far":[48,144,16,16],
-				"s_close":[0,48,8,64],
-				"s_mid":[8,48,8,64],
-				"s_far":[16,48,9,64]
+				"s_close":[16,160,8,64],
+				"s_mid":[8,168,8,48],
+				"s_far":[0,172,8,32]
 			},
 			"closed":{
 				"f_close":[80,112,48,48],
 				"f_mid":[128,112,32,32],
 				"f_far":[128,144,16,16],
-				"s_close":[80,160,8,64],
-				"s_mid":[88,160,8,64],
-				"s_far":[96,160,9,64]
+				"s_close":[96,160,8,64],
+				"s_mid":[88,168,8,48],
+				"s_far":[80,172,8,32]
 			}
 		}
 	]