sort-of progress, lots of bugs

inc/sprite/sprite.norman_echo.lua

@@ -0,0 +1,14 @@
+-- Norman echo: same tile indices as norman.
+-- Color remap is applied by CommuteGlitch.draw_sprite_list via pal().
+-- Implementer: set ECHO_SRC/ECHO_DST in logic.commute_glitch.lua after inspecting the palette.
+Sprite.register({
+  id = "norman_echo",
+  sprites = {
+    { s = 272, x_offset = -4, y_offset = -4 },
+    { s = 273, x_offset =  4, y_offset = -4 },
+    { s = 288, x_offset = -4, y_offset =  4 },
+    { s = 289, x_offset =  4, y_offset =  4 },
+    { s = 304, x_offset = -4, y_offset = 12 },
+    { s = 305, x_offset =  4, y_offset = 12 },
+  }
+})