Rearrange tiles, add one way platform tiles

- Update autotile to work based off of offset
- Update wired.ldtk to use new tiles
- Regenerate tiles.zig
- Remove hard-coded autotiles

src/rewrite.zig

@@ -58,57 +58,18 @@ pub fn start() !void {
         .level = level,
         .map = &map,
         .circuit = &circuit,
-        .tileset = world.AutoTileset.initFull(&.{
-            35, // Island
-            51, // North
-            52, // West
-            55, // West-North
-            50, // East
-            53, // East-North
-            19, // East-West
-            54, // East-West-North
-            49, // South
-            20, // South-North
-            23, // South-West
-            39, // South-West-North
-            21, // South-East
-            37, // South-East-North
-            22, // South-East-West
-            0, // South-East-West-North
-        }),
-        .conduit = world.AutoTileset.initFull(&.{
-            42, // Island
-            58, // North
-            59, // West
-            41, // West-North
-            57, // East
-            40, // East-North
-            26, // East-West
-            73, // East-West-North
-            56, // South
-            27, // South-North
-            25, // South-West
-            74, // South-West-North
-            24, // South-East
-            75, // South-East-North
-            72, // South-East-West
-            43, // South-East-West-North
-        }),
-        .plug = world.AutoTileset.initCardinal(&.{
-            45, // North
-            46, // West
-            47, // East
-            44, // South
-        }, 2),
+        .tileset = world.AutoTileset.initOffsetFull(113),
+        .conduit = world.AutoTileset.initOffsetFull(97),
+        .plug = world.AutoTileset.initOffsetCardinal(17),
         .switch_off = world.AutoTileset.initSwitches(&.{
-            32, // South-North
-            29, // South-West-North
-            31, // South-East-North
+            29, // South-North
+            25, // South-West-North
+            27, // South-East-North
         }, 2),
         .switch_on = world.AutoTileset.initSwitches(&.{
-            48, // South-North
-            28, // South-West-North
-            30, // South-East-West
+            30, // South-North
+            26, // South-West-North
+            28, // South-East-West
         }, 2),
     });
 }

src/world.zig

@@ -111,20 +111,22 @@ pub const AutoTile = packed struct {
 };
 
 pub const AutoTileset = struct {
-    lookup: []const u8,
+    lookup: []const u8 = "",
+    offset: u8 = 0,
     kind: enum {
         Cardinal,
         Switches,
         Full,
+        OffsetFull,
+        OffsetCardinal,
     },
-    default: u8,
+    default: u8 = 0,
 
     pub fn initFull(table: []const u8) AutoTileset {
         std.debug.assert(table.len == 16);
         return AutoTileset{
             .lookup = table,
             .kind = .Full,
-            .default = 0,
         };
     }
 
@@ -146,16 +148,40 @@ pub const AutoTileset = struct {
         };
     }
 
+    pub fn initOffsetFull(offset: u8) AutoTileset {
+        // std.debug.assert(offset < 128 - 16);
+        return AutoTileset{
+            .offset = offset,
+            .kind = .OffsetFull,
+        };
+    }
+
+    pub fn initOffsetCardinal(offset: u8) AutoTileset {
+        // std.debug.assert(offset < 128 - 4);
+        return AutoTileset{
+            .offset = offset,
+            .kind = .OffsetCardinal,
+        };
+    }
+
     pub fn find(tileset: AutoTileset, autotile: AutoTile) u8 {
         const autoint = autotile.to_u4();
         switch (tileset.kind) {
             .Full => return tileset.lookup[autoint],
-            .Cardinal => switch (autoint) {
-                0b0001 => return tileset.lookup[0],
-                0b0010 => return tileset.lookup[1],
-                0b0100 => return tileset.lookup[2],
-                0b1000 => return tileset.lookup[3],
-                else => return tileset.default,
+            .OffsetFull => return tileset.offset + autoint,
+            .Cardinal, .OffsetCardinal => {
+                const index: u8 = switch (autoint) {
+                    0b0001 => 0,
+                    0b0010 => 1,
+                    0b0100 => 2,
+                    0b1000 => 3,
+                    else => return tileset.default,
+                };
+                if (tileset.kind == .Cardinal) {
+                    return tileset.lookup[index];
+                } else {
+                    return tileset.offset + index;
+                }
             },
             .Switches => switch (autoint) {
                 0b1001 => return tileset.lookup[0],