From 8495bc3169939d034622dcbf6fb84016a7430ef2 Mon Sep 17 00:00:00 2001
From: lonkaars <loek@pipeframe.xyz>
Date: Wed, 22 Mar 2023 15:15:10 +0100
Subject: tilemap build system done

---
 scripts/manifest2header.awk | 13 +++++++++++++
 scripts/tilepack            | 22 ++++++++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100755 scripts/manifest2header.awk
 create mode 100755 scripts/tilepack

(limited to 'scripts')

diff --git a/scripts/manifest2header.awk b/scripts/manifest2header.awk
new file mode 100755
index 0000000..15cd682
--- /dev/null
+++ b/scripts/manifest2header.awk
@@ -0,0 +1,13 @@
+#!/bin/awk -f
+BEGIN {
+	offset = 0
+	print "#pragma once"
+}
+1 {
+	print "#define HH_TM_"toupper($1)"_OFFSET "offset
+	print "#define HH_TM_"toupper($1)"_SIZE "$2
+	offset += $2
+}
+END {
+	print "#define HH_TM_SIZE "offset
+}
diff --git a/scripts/tilepack b/scripts/tilepack
new file mode 100755
index 0000000..aff417d
--- /dev/null
+++ b/scripts/tilepack
@@ -0,0 +1,22 @@
+#!/bin/python3
+# read bytes from input and pack into ppu format
+# each input sprite is 256 bytes
+
+import sys
+import struct
+
+i = 0
+word = 0x0000
+for byte in sys.stdin.buffer.read():
+	pixel_idx = i % 5
+	word |= (byte & 0b111) << 3 * pixel_idx
+
+	if i % 5 == 4 or i == 0xff:
+		sys.stdout.buffer.write(struct.pack('!H', word))
+		word = 0x0000
+
+	i += 1
+	if i > 0xff: i = 0
+
+sys.stdout.buffer.flush()
+
-- 
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