From 5c7ddf881df446c075867aa916530435493c0862 Mon Sep 17 00:00:00 2001
From: Nils Dagsson Moskopp <nils@dieweltistgarnichtso.net>
Date: Thu, 19 May 2022 19:05:11 +0200
Subject: [PATCH] Generate arrow textures

---
 generate_textures.lua            |  27 +++++++++++++++++++++++++++
 init.lua                         |  10 ++++++++--
 textures/maps_arrow.tga          | Bin 179 -> 93 bytes
 textures/maps_arrow_diagonal.tga | Bin 180 -> 93 bytes
 4 files changed, 35 insertions(+), 2 deletions(-)
 create mode 100644 generate_textures.lua

diff --git a/generate_textures.lua b/generate_textures.lua
new file mode 100644
index 0000000..0c5953f
--- /dev/null
+++ b/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")
diff --git a/init.lua b/init.lua
index e17c46d..205019c 100644
--- a/init.lua
+++ b/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(
diff --git a/textures/maps_arrow.tga b/textures/maps_arrow.tga
index 91fccf460cc43a800d24ef5de25fd8c565592a86..b39dd708e52aa805e3d591102bac4a8c1f47eade 100644
GIT binary patch
literal 93
zcmZQzU}k^;b_R9^4hBXrmywa-|Ns9W4u}GiU@lk?B+0-C0w5BmJtQd9HOw>E)89`w
L!p+miRgVDxR526=

literal 179
zcmZQz;9`IQb_R9^1r9K;1xWq}vlyYW|C{~;0f+|{Zv-*GLSPn1(f<~Z3NQ<YCN{7n
mR1H)yOb<g7ND>78!&x9+NKmM2m}ju3zn^Y|o2QSf9s>Y}WiO-v

diff --git a/textures/maps_arrow_diagonal.tga b/textures/maps_arrow_diagonal.tga
index 6798c9f21442b18323a1359eb3c9591a5cc04e44..91cfce255aeb5bc90d12c722793f7959bc924780 100644
GIT binary patch
literal 93
zcmZQzU}k^;b_R9^4hBXb01^xgj12$5`2YX^3=BX5%ma}?2?!6Y5vURZLV`kF!#smM
O{rz+!+&q0;^%ww6cNGEv

literal 180
zcmZQz;9`IQb_R9^1&$^Vml22sf%tzThzBD6vw&DY@E-&~G>F55EYJj%fk^#t25~_K
sfmDJFWB89y0X7#bhN6t26{HL#4hJDYp{`+`!Jhtpx)E-kKCXHU0F1sb#Q*>R