Generate arrow textures

generate_textures.lua

@@ -0,0 +1,27 @@
+dofile("../tga_encoder/init.lua")
+
+local _ = { 1 }
+local K = { 0 }
+local W = { 255 }
+
+local pixels = {
+	{ _, K, K, K, K, K, _ },
+	{ _, K, W, W, W, K, _ },
+	{ K, K, W, W, W, K, K },
+	{ K, W, W, W, W, W, K },
+	{ _, K, W, W, W, K, _ },
+	{ _, _, K, W, K, _, _ },
+	{ _, _, _, K, _, _, _ },
+}
+tga_encoder.image(pixels):save("textures/maps_arrow.tga")
+
+local pixels = {
+	{ _, _, _, _, K, _, _ },
+	{ K, K, _, K, W, K, _ },
+	{ K, W, K, W, W, W, K },
+	{ K, W, W, W, W, K, _ },
+	{ K, W, W, W, K, _, _ },
+	{ K, W, W, W, W, K, _ },
+	{ K, K, K, K, K, K, _ },
+}
+tga_encoder.image(pixels):save("textures/maps_arrow_diagonal.tga")

init.lua

@@ -440,14 +440,20 @@ minetest.register_globalstep(
 				yaw == 180 or
 				yaw == 270
 			) then
-				marker = "maps_arrow.tga" .. "^[transformR" .. yaw
+				marker = "maps_arrow.tga" ..
+					"^[makealpha:1,1,1" ..
+					"^[transformR" ..
+					yaw
 			elseif (
 				yaw == 45 or
 				yaw == 135 or
 				yaw == 225 or
 				yaw == 315
 			) then
-				marker = "maps_arrow_diagonal.tga" .. "^[transformR" .. (yaw - 45)
+			marker = "maps_arrow_diagonal.tga" ..
+				"^[makealpha:1,1,1" ..
+				"^[transformR" ..
+				(yaw - 45)
 			end
 			if marker then
 				player:hud_change(