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terrainbordertool.py
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terrainbordertool.py
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import png
import sys
import shutil
from pathlib import Path
import itertools
palpath2 = Path("D:/Documents/OpenRCT2/Custom Rides/RCT1 Project/terrain/palette_gif.png")
palpath = Path("D:/Documents/OpenRCT2/Custom Rides/RCT1 Project/terrain/palette_green.png")
UseOldPalette = False
BorderIndexOffset = 1
class rgba:
def __init__(self, r, g, b, a):
self.r = r
self.g = g
self.b = b
self.a = a
def __repr__(self):
return "#{0:02x}{1:02x}{2:02x}-{3:02x}".format(self.r, self.g, self.b, self.a)
def __eq__(self,other):
if isinstance(other, rgba):
return self.r == other.r and self.g == other.g and self.b == other.b and self.a == other.a
return False
def tupleRGBA(self):
return (self.r, self.g, self.b, self.a)
def tupleRGB(self):
return (self.r, self.g, self.b)
class palette:
def __init__(self, path):
tup = png.Reader(filename = path).asRGBA()
rawdata = list(tup[2])
self.palette = []
self.length = tup[0]*tup[1]
self.transparentIndex = 0
for row in rawdata:
for i in range(0,tup[0] * 4, 4):
self.palette.append(rgba(row[i],row[i+1],row[i+2],row[i+3]))
print("Loaded palette {0} with {1} indices".format(path, len(self.palette)))
def getIndex(self, pix):
for i in range(len(self.palette)):
if (pix == self.palette[i]):
return i
return self.transparentIndex
def renderRGBA(self, width, height, pixpal):
image = []
pointer = 0
for i in range(height):
pixlist = pixpal[i * width : (i + 1) * width]
renderedrow = [self.palette[pix % 256].tupleRGBA() for pix in pixlist]
row = itertools.chain(*renderedrow)
image.append(list(row))
return image
def renderRGB(self, width, height, pixpal):
image = []
pointer = 0
for i in range(height):
pixlist = pixpal[i * width : (i + 1) * width]
renderedrow = [self.palette[pix % 256].tupleRGB() for pix in pixlist]
row = itertools.chain(*renderedrow)
image.append(list(row))
return image
def renderPalette(self):
return [p.tupleRGB() for p in self.palette]
outpalette = palette(palpath)
inpallete = UseOldPalette and palette(palpath2) or outpalette
workingdir = Path("D:/Documents/OpenRCT2/Custom Rides/RCT1 Project/object/terrain_surface")
g1dir = Path("D:/Documents/OpenRCT2/g1dump")
for i in range(19):
src = Path(workingdir,"{0:02d}.png".format(i + 19))
dst = Path(workingdir,"{0:02d}.png".format(i))
maskin = Path(workingdir,"{0:02d}.png".format(i + 38))
maskout = Path(workingdir,"{0:02d}.png".format(i + 57))
print("loading image {0} and mask {1}".format(src, maskin))
imgdata = png.Reader(filename = src).asRGBA()
width = imgdata[0]
height = imgdata[1]
pixdata = list(imgdata[2])
imgdata = png.Reader(filename = maskin).asRGBA()
assert(imgdata[0] == width and imgdata[1] == height)
maskdta = list(imgdata[2])
pixpal = []
pixpalmask = []
ppall = 0
print("image data: height: {0}, width: {1}".format(height, width))
for y in range(len(pixdata)):
row = pixdata[y]
for i in range(0,width * 4, 4):
x = i/4
pix = rgba(row[i],row[i+1],row[i+2],row[i+3])
pindex = inpallete.getIndex(pix)
mrow = maskdta[y]
maskin = inpallete.getIndex(rgba(mrow[i],mrow[i+1],mrow[i+2],mrow[i+3])) != 0
borderPixel = False
if ((y + 1 == height) and (ppall > 0)):
if pindex == 0 and pixpal[ppall-width] != 0: # the current pixel is void and the one above is not
if pixpal[ppall-width] < 256:
pixpal[ppall-width] += 256 + BorderIndexOffset
if pindex != 0:
borderPixel = True # lower edge is a void
elif (y > 0):
if pixpal[ppall-width] == 0 and pindex > 0: # pixel above is void and I am not
borderPixel = True
if pindex == 0 and pixpal[ppall-width] != 0: # the current pixel is void and the one above is not
if pixpal[ppall-width] < 256:
pixpal[ppall-width] += 256 + BorderIndexOffset
elif pindex > 0:
borderPixel = True # upper edge is a void
if ((x + 1 == width) and (ppall > 0)):
if pindex == 0 and pixpal[ppall - 1] != 0: # the current pixel is is void and the one to the left is not
if pixpal[ppall-1] < 256:
pixpal[ppall-width] += 256 + BorderIndexOffset
if pindex != 0:
borderPixel = True # right edge is a void
elif (x > 0):
if pixpal[ppall - 1] == 0 and pindex > 0: # pixel to the left is void and I am not
borderPixel = True
if pindex == 0 and pixpal[ppall - 1] != 0: # the current pixel is is void and the one to the left is not
if pixpal[ppall-1] < 256:
pixpal[ppall-width] += 256 + BorderIndexOffset
elif pindex > 0:
borderPixel = True # left edge is a void
if borderPixel:
pindex += 256 + BorderIndexOffset
if (x*y)%3 == 0:
pindex += 1
pixpal.append(pindex)
pixpalmask.append(maskin * pindex)
ppall += 1
palette = outpalette.renderPalette()
#imager = [pixpal[i * width : (i + 1) * width] for i in range(height)]
imager = outpalette.renderRGBA(width, height, pixpal)
with open(dst, "wb") as f:
#w = png.Writer(width = width, height = height, greyscale = False, palette = palette)
w = png.Writer(width = width, height = height, greyscale = False, alpha = True)
w.write(f, imager)
#imager = [pixpalmask[i * width : (i + 1) * width] for i in range(height)]
imager = outpalette.renderRGBA(width, height, pixpalmask)
with open(maskout, "wb") as f:
#w = png.Writer(width = width, height = height, greyscale = False, palette = palette)
w = png.Writer(width = width, height = height, greyscale = False, alpha = True)
w.write(f, imager)