graphics: pull some traffic animation to a separate file, and use layers to compose the tiles

git-svn-id: https://micropolis.googlecode.com/svn/trunk/micropolis-java@706 d9718cc8-9f43-0410-858b-315f434eb58c

graphics/tiles.dat

@@ -78,9 +78,9 @@
 77    roads@0,208,16,16
 78    roads@0,224,16,16
 79    roads@0,240,16,16
-80    roads@16,0,16,16
+80    roads@0,0,16,16|traffic@16,0,16,16
 81    roads@16,16,16,16
-82    roads@16,32,16,16
+82    roads@0,32,16,16|traffic@16,0,16,16
 83    roads@16,48,16,16
 84    roads@16,64,16,16
 85    roads@16,80,16,16
@@ -94,9 +94,9 @@
 93    roads@16,208,16,16
 94    roads@16,224,16,16
 95    roads@16,240,16,16
-96    roads@32,0,16,16
+96    roads@0,0,16,16|traffic@32,0,16,16
 97    roads@32,16,16,16
-98    roads@32,32,16,16
+98    roads@0,32,16,16|traffic@32,0,16,16
 99    roads@32,48,16,16
 100   roads@32,64,16,16
 101   roads@32,80,16,16
@@ -110,9 +110,9 @@
 109   roads@32,208,16,16
 110   roads@32,224,16,16
 111   roads@32,240,16,16
-112   roads@48,0,16,16
+112   roads@0,0,16,16|traffic@48,0,16,16
 113   roads@48,16,16,16
-114   roads@48,32,16,16
+114   roads@0,32,16,16|traffic@48,0,16,16
 115   roads@48,48,16,16
 116   roads@48,64,16,16
 117   roads@48,80,16,16
@@ -126,9 +126,9 @@
 125   roads@48,208,16,16
 126   roads@48,224,16,16
 127   roads@48,240,16,16
-128   roads@64,0,16,16
+128   roads@0,0,16,16|traffic@64,0,16,16
 129   roads@64,16,16,16
-130   roads@64,32,16,16
+130   roads@0,32,16,16|traffic@64,0,16,16
 131   roads@64,48,16,16
 132   roads@64,64,16,16
 133   roads@64,80,16,16
@@ -142,9 +142,9 @@
 141   roads@64,208,16,16
 142   roads@64,224,16,16
 143   roads@64,240,16,16
-144   roads@80,0,16,16
+144   roads@0,0,16,16|traffic@80,0,16,16
 145   roads@80,16,16,16
-146   roads@80,32,16,16
+146   roads@0,32,16,16|traffic@80,0,16,16
 147   roads@80,48,16,16
 148   roads@80,64,16,16
 149   roads@80,80,16,16
@@ -158,9 +158,9 @@
 157   roads@80,208,16,16
 158   roads@80,224,16,16
 159   roads@80,240,16,16
-160   roads@96,0,16,16
+160   roads@0,0,16,16|traffic@96,0,16,16
 161   roads@96,16,16,16
-162   roads@96,32,16,16
+162   roads@0,32,16,16|traffic@96,0,16,16
 163   roads@96,48,16,16
 164   roads@96,64,16,16
 165   roads@96,80,16,16
@@ -174,9 +174,9 @@
 173   roads@96,208,16,16
 174   roads@96,224,16,16
 175   roads@96,240,16,16
-176   roads@112,0,16,16
+176   roads@0,0,16,16|traffic@112,0,16,16
 177   roads@112,16,16,16
-178   roads@112,32,16,16
+178   roads@0,32,16,16|traffic@112,0,16,16
 179   roads@112,48,16,16
 180   roads@112,64,16,16
 181   roads@112,80,16,16
@@ -190,9 +190,9 @@
 189   roads@112,208,16,16
 190   roads@112,224,16,16
 191   roads@112,240,16,16
-192   roads@128,0,16,16
+192   roads@0,0,16,16|traffic@128,0,16,16
 193   roads@128,16,16,16
-194   roads@128,32,16,16
+194   roads@0,32,16,16|traffic@128,0,16,16
 195   roads@128,48,16,16
 196   roads@128,64,16,16
 197   roads@128,80,16,16