From f268bc9860f271d600c2522818a5111926a3dbc1 Mon Sep 17 00:00:00 2001
From: Treeki <treeki@gmail.com>
Date: Mon, 29 Apr 2013 22:47:24 +0200
Subject: add RGBA8 doodads for Clouds

---
 src/exporter.py | 44 +++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 39 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/exporter.py b/src/exporter.py
index b1afaaa..d396eb2 100644
--- a/src/exporter.py
+++ b/src/exporter.py
@@ -9,6 +9,35 @@ u32 = struct.Struct('>I')
 u16 = struct.Struct('>H')
 zero32 = u32.pack(0)
 
+def RGBA8Encode(tex):
+	tex = tex.toImage()
+	w, h = tex.width(), tex.height()
+	padW = (w + 3) & ~3
+	padH = (h + 3) & ~3
+
+	destBuffer = create_string_buffer(padW * padH * 4)
+
+	shortstruct = struct.Struct('>H')
+	sspack = shortstruct.pack_into
+	offset = 0
+
+	for ytile in xrange(0, padH, 4):
+		for xtile in xrange(0, padW, 4):
+			for ypixel in xrange(ytile, ytile + 4):
+				for xpixel in xrange(xtile, xtile + 4):
+					
+					if xpixel >= w or ypixel >= h:
+						sspack(destBuffer, offset, 0)
+						sspack(destBuffer, offset+32, 0)
+					else:
+						pixel = tex.pixel(xpixel, ypixel)
+						
+						sspack(destBuffer, offset, pixel>>16)
+						sspack(destBuffer, offset+32, pixel&0xFFFF)
+					offset += 2
+			offset += 32
+
+	return destBuffer.raw
 
 def RGB5A3Encode(tex):
 	tex = tex.toImage()
@@ -257,10 +286,11 @@ class KPMapExporter:
 					w, h = doodad.size
 					data += struct.pack('>fffffii', x, y, w, h, doodad.angle, 0, len(doodad.animations))
 
+					is_rgba8 = (doodad.source[0].startswith('Cloud'))
 
-					texInfo.add((doodad.source[0], doodad.source[1].height() * doodad.source[1].width() * 2))
+					texInfo.add((doodad.source[0], doodad.source[1].height() * doodad.source[1].width() * (4 if is_rgba8 else 2)))
 					texture = doodad.source[1]
-					textures.add(texture)
+					textures.add((is_rgba8, texture))
 					requiredFixUps.append((len(data) - 8, texture))
 
 					for anim in doodad.animations:
@@ -478,11 +508,15 @@ class KPMapExporter:
 			else:
 				data += self._buildGXTexObjRGB5A3(896, 448, offsets[setname])
 
-		for tex in textures:
+		for is_rgba8, tex in textures:
 			offsets[tex] = len(data)
-			data += self._buildGXTexObjRGB5A3(tex.width(), tex.height(), currentTexOffset)
 
-			converted = RGB5A3Encode(tex)
+			if is_rgba8:
+				data += self._buildGXTexObjRGBA8(tex.width(), tex.height(), currentTexOffset)
+				converted = RGBA8Encode(tex)
+			else:
+				data += self._buildGXTexObjRGB5A3(tex.width(), tex.height(), currentTexOffset)
+				converted = RGB5A3Encode(tex)
 			imageData.append(converted)
 			currentTexOffset += len(converted)
 
-- 
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