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out_spriteblock.py
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out_spriteblock.py
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#!/usr/bin/env python3
import sys
from PIL import Image
def read8(f):
return f.read(1)[0]
def read16(f):
return int.from_bytes(f.read(2), byteorder='big', signed=False)
def read32(f):
return int.from_bytes(f.read(4), byteorder='big', signed=False)
def shifter(a1):
v1 = 0x40000000
v2 = 31
while(v2 != 0):
v3 = a1 & v1
v1 >>= 1
--v2
if v3 == 0:
break
result = 2 * v1
if ( result < a1 ):
result *= 2
if ( result < 16 ):
result = 16
return result
with open(sys.argv[1], 'rb') as f:
count = read32(f)
for i in range(0, count):
f.seek(4 + 4 * i)
off_a = read32(f)
off_b = read32(f)
length = off_b - off_a
print("%d: a: 0x%08X b: 0x%08X length: %d" % (i, off_a, off_b, length))
f.seek(off_a)
width = read16(f)
print("total width?: %d" % width) # [0]
height = read16(f)
print("total height?: %d" % height) # [2]
fmt = read16(f)
print("format: 0x%04X" % fmt) # [4]
unk3 = read16(f)
assert(unk3 == 0x0000)
print("always 0: 0x%04X" % unk3) # [6]
unk4 = read32(f)
print("palette offset?: 0x%08X" % unk4) # [8]
unk5 = read16(f) #FIXME: signed!
print("page count?: 0x%04X" % unk5) # [12]
unk6 = read16(f)
assert(unk6 == 0x0020)
print("always 32: 0x%04X" % unk6) # [14]
unk7 = read32(f)
print("data offset / header size? [unused?]: 0x%08X" % unk7) # [16]
# FIXME: This might be bad..
headsize = 8 * unk5 # (8 * unk5 + 0xF) & 0xFFFFFFF0
pages = []
if (unk7 & 0xFF != 2) or unk4:
print("Load! %d * 8" % unk5)
f.seek(off_a + 20)
#buf = f.read(unk5 * 8)
for j in range(0, unk5):
page = (read16(f), read16(f), read32(f))
print(" %d %d %d" % page)
pages.append(page)
if (unk4):
#v22 = (char *)((unsigned int)&v22[v23 + 15] & 0xFFFFFFF0);
#v23 = *(_DWORD *)(*(_DWORD *)v18 + 4) - v29;
#count = b + 4 - unk4 # Read a DWORD there?!
#sub_42D640(1, v29 + v42, v22, count);
f.seek(off_a + unk4)
#*v40 = v22
print("Bad!")
else:
print("Good!")
for j in range(0, unk5):
f.seek(off_a + headsize)
#if v32 == v30 - 1:
# v33 = v43 - v42
#else:
# v33 = *(_DWORD *)(*(_DWORD *)v18 + 8 * v32 + 12)
#v34 = *(_DWORD *)(8 * v32 + *(_DWORD *)v18 + 4)
#v37 = v33 - v34
#sub_42D640(1, v34 + v42, i, v33 - v34)
#*(_DWORD *)(8 * v32 + *(_DWORD *)v18 + 4) = i
#if ( a1 != 99 ):
# sub_446B60((int)v38, (char **)(*(_DWORD *)v18 + 8 * v32))
#v30 = *v41
#i = (_WORD *)(((unsigned int)i + v37 + 15) & 0xFFFFFFF0)
# Yay for hardcoded shit..
if i == 99:
pass #sub_446A20(v38);
reader = None
global pixel_palette
global pixel_index
def pixel_p8():
global pixel_palette
index = f.read(1)[0]
#print(index)
return pixel_palette[index]
def pixel_p4():
global pixel_palette
global pixel_value
global pixel_index
if pixel_index == 0:
pixel_value = f.read(1)[0]
#print(pixel_value)
#print(pixel_index)
index = (pixel_value >> (4 * (1 - pixel_index))) & 0xF
pixel_index += 1
pixel_index %= 2
return pixel_palette[index]
def pixel_a8():
a = f.read(1)[0]
return (a, a, a, 255)
def pixel_a4():
global pixel_value
global pixel_index
if pixel_index == 0:
pixel_value = f.read(1)[0]
#print(pixel_value)
#print(pixel_index)
a = ((pixel_value >> (4 * (1 - pixel_index))) & 0xF) * 0x11
pixel_index += 1
pixel_index %= 2
return (a, a, a, 255)
def pixel_a8r8g8b8():
r = f.read(1)[0]
g = f.read(1)[0]
b = f.read(1)[0]
a = f.read(1)[0]
return (r, g, b, a)
if (fmt == 0x0003):
reader = pixel_a8r8g8b8
elif (fmt == 0x0400):
reader = pixel_a4
elif (fmt == 0x0401):
reader = pixel_a8
elif (fmt == 0x0200):
reader = pixel_p4
f.seek(off_a + unk4)
pixel_palette = []
for j in range(0, 16):
# Read palette data
color = int.from_bytes(f.read(2), byteorder='big', signed=False)
a = (color >> 0) & 0x1
b = ((color >> 1) & 0x1F) / 0x1F
g = ((color >> 6) & 0x1F) / 0x1F
r = ((color >> 11) & 0x1F) / 0x1F
pixel_palette.append((int(r * 255), int(g * 255), int(b * 255), a * 0xFF))
elif (fmt == 0x0201):
reader = pixel_p8
f.seek(off_a + unk4)
pixel_palette = []
for j in range(0, 256):
# Read palette data
color = int.from_bytes(f.read(2), byteorder='big', signed=False)
a = (color >> 0) & 0x1
b = ((color >> 1) & 0x1F) / 0x1F
g = ((color >> 6) & 0x1F) / 0x1F
r = ((color >> 11) & 0x1F) / 0x1F
pixel_palette.append((int(r * 255), int(g * 255), int(b * 255), a * 0xFF))
else:
assert(False)
continue
im = Image.new("RGBA", (width, height))
pixels = im.load()
x = 0
y = 0
for j in range(0, len(pages)):
page = pages[j]
pixel_index = 0
page_width = page[0]
page_height = page[1]
page_offset = page[2]
if fmt == 0x0201:
page_width = (page_width + 0x7) & 0xFFFFFFF8
elif fmt == 0x0400:
page_width = (page_width + 0xF) & 0xFFFFFFF0
elif fmt == 0x0200:
page_width = (page_width + 0xF) & 0xFFFFFFF0
elif fmt == 0x0401:
page_width = (page_width + 0x7) & 0xFFFFFFF8
f.seek(off_a + page_offset)
print("Drawing page (%d x %d) at %d, %d from %d" % (page_width, page_height, x, y, f.tell()))
for page_y in range(0, page_height):
for page_x in range(0, page_width):
r, g, b, a = reader()
abs_x = x + page_x
abs_y = y - page_y + page_height - 1
if (abs_x < width):
if (abs_y < height):
pixels[abs_x, abs_y] = (r, g, b, a)
x += page_width
if x >= width:
print("Reached border")
x = 0
y += page_height
if y == height:
print("Complete")
break
im.save("/tmp/swep1r/sprite-%d.png" % i, 'PNG')