From 4f81732675dbcffb228037c4d60d8e85be18f16d Mon Sep 17 00:00:00 2001
From: Jonathan Dowland <jon@dow.land>
Date: Wed, 3 Mar 2021 20:34:47 +0000
Subject: [PATCH 1/4] blocky: generates flat color patches and textures

---
 demo/blocky.py | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 demo/blocky.py

diff --git a/demo/blocky.py b/demo/blocky.py
new file mode 100644
index 0000000..dfdb6a2
--- /dev/null
+++ b/demo/blocky.py
@@ -0,0 +1,42 @@
+#!/usr/bin/python
+# generates a PWAD with 256 64x64-sized flat color patches and textures named
+# COLORXXX and 256 flats named FOLORXXX where XXX is a decimal index into the
+# palette
+
+from omg import *
+from omg.txdef import *
+import struct
+
+out  = WAD()
+editor = omg.txdef.Textures()
+
+for i in range(0,256):
+
+    # generate raw patch data for palette index i
+    topdelta = 0
+    length = 64
+    unused = 0
+    data = i
+    post = struct.pack('<BBB64sB', topdelta, length, unused, bytes([data])*64, unused)
+    width = height = 64
+    leftoffs = topoffs = 0
+    postoffs = 264
+    patch = struct.pack('<HHhh', width, height, leftoffs, topoffs) \
+            + struct.pack('<L', postoffs) * 64 \
+            + post
+    gr = Graphic()
+    gr.data = patch
+    name = "COLOR{:03d}".format(i)
+    out.patches[name] = gr
+
+    # generate a texture entry
+    editor.simple(name, out.patches[name])
+
+    # generate a flat
+    name = "FOLOR{:03d}".format(i)
+    flat = Flat()
+    flat.load_raw(bytes([i])*4096)
+    out.flats[name] = flat
+
+out.txdefs = editor.to_lumps()
+out.to_file('out.wad')

From ac87992392be8d5ada4a53321a862ce7620f0961 Mon Sep 17 00:00:00 2001
From: Jonathan Dowland <jon@dow.land>
Date: Sat, 6 Mar 2021 15:21:32 +0000
Subject: [PATCH 2/4] demo/blocky: append to IWAD textures/patches

There's something appealing about not doing this, but without
doing so vanilla will crash at the menu.
---
 demo/blocky.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/demo/blocky.py b/demo/blocky.py
index dfdb6a2..a519d30 100644
--- a/demo/blocky.py
+++ b/demo/blocky.py
@@ -7,8 +7,9 @@
 from omg.txdef import *
 import struct
 
+iwad = WAD('doom2.wad')
 out  = WAD()
-editor = omg.txdef.Textures()
+editor = omg.txdef.Textures(iwad.txdefs)
 
 for i in range(0,256):
 

From 228254fafdae08428ec3db7c57dc35bfb11eebe5 Mon Sep 17 00:00:00 2001
From: Jonathan Dowland <jon@dow.land>
Date: Sat, 6 Mar 2021 15:22:55 +0000
Subject: [PATCH 3/4] demo/blocky: fix flat markers for vanilla

---
 demo/blocky.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/demo/blocky.py b/demo/blocky.py
index a519d30..fce2280 100644
--- a/demo/blocky.py
+++ b/demo/blocky.py
@@ -39,5 +39,8 @@
     flat.load_raw(bytes([i])*4096)
     out.flats[name] = flat
 
+# fix flats in vanilla
+out.flats.prefix='FF*_START'
+
 out.txdefs = editor.to_lumps()
 out.to_file('out.wad')

From 4f060798b2078a53d59671659150a519f38a5598 Mon Sep 17 00:00:00 2001
From: Jonathan Dowland <jon@dow.land>
Date: Sun, 7 Mar 2021 19:56:02 +0000
Subject: [PATCH 4/4] demo/blocky: generate 128-tall textures & patches

Avoid tutti frutti on Vanilla.
---
 demo/blocky.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/demo/blocky.py b/demo/blocky.py
index fce2280..82f97aa 100644
--- a/demo/blocky.py
+++ b/demo/blocky.py
@@ -15,11 +15,12 @@
 
     # generate raw patch data for palette index i
     topdelta = 0
-    length = 64
+    length = 128
     unused = 0
     data = i
-    post = struct.pack('<BBB64sB', topdelta, length, unused, bytes([data])*64, unused)
-    width = height = 64
+    post = struct.pack('<BBB{}sB'.format(length), topdelta, length, unused, bytes([data])*length, unused)
+    width = 64
+    height = 128
     leftoffs = topoffs = 0
     postoffs = 264
     patch = struct.pack('<HHhh', width, height, leftoffs, topoffs) \