Map tiles are now correctly sized and positioned. Errors from before were due to floating point being used for positioning.

Makefile

@@ -21,6 +21,9 @@ endif
 build:
 	meson compile -j 10 -C $(ROOT_DIR)/builddir
 
+asset_build: build
+	./builddir/icongen
+
 release_build:
 	meson --wipe builddir -Db_ndebug=true --buildtype release
 	meson compile -j 10 -C builddir
@@ -33,7 +36,7 @@ tracy_build:
 	meson setup --wipe builddir --buildtype debugoptimized -Dtracy_enable=true -Dtracy:on_demand=true
 	meson compile -j 10 -C builddir
 
-test: build
+test: asset_build build
 	./builddir/runtests "[map-sprite]"
 
 run: build test