75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
import math
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import spectra
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# SAFE_COLORS = list(range(0xA0, 0xD8)) + [0xf5]
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SAFE_COLORS = list(range(1, 0xD7))
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# f = open("ttd-noaction-nocomp.gpl")
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f = open("ttd-newgrf-dos.gpl")
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while f.readline().strip() != "#":
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pass
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# def color_distance(c1, c2):
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# rmean = (c1[0] + c2[0]) / 2.
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# r = c1[0] - c2[0]
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# g = c1[1] - c2[1]
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# b = c1[2] - c2[2]
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# return math.sqrt(
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# (((512 + rmean) * r * r) / 256.) +
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# 4 * g * g +
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# (((767 - rmean) * b * b) / 256.))
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def color_distance(c1, c2):
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r = c1[0] - c2[0]
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g = c1[1] - c2[1]
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b = c1[2] - c2[2]
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return math.sqrt(r*r + g*g + b*b)
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def gen_recolor(tint, ratio, comment):
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print(f" // {comment}")
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print(" recolour_sprite {")
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print(" ", end="")
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for i, (r, g, b) in colors:
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x = spectra.rgb(r / 255., g / 255., b / 255.)
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x = x.blend(tint, ratio=ratio)
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r, g, b = [int(q * 255) for q in x.clamped_rgb]
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mj, md = 0, 1e100
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for j, c in colors:
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if j not in SAFE_COLORS:
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continue
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d = color_distance((r, g, b), c)
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if d < md:
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mj, md = j, d
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# mj = 0xa4
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print(f"0x{i:02x}: 0x{mj:02x};", end=" ")
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print()
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print(" }")
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print()
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colors = []
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for _ in range(256):
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try:
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r, g, b, _, i = f.readline().split()
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except ValueError:
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break
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c = (int(r), int(g), int(b))
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# if c in SAFE_COLORS:
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colors.append((int(i), c))
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gen_recolor(spectra.rgb(1, 0, 0), 0.6, "deep red tint")
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gen_recolor(spectra.rgb(1, 0.5, 0), 0.65, "deep orange tint")
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gen_recolor(spectra.rgb(0, 1, 0), 0.65, "deep green tint")
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gen_recolor(spectra.rgb(0, 1, 1), 0.65, "deep cyan tint")
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gen_recolor(spectra.rgb(1, 0, 0), 0.4, "red tint")
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gen_recolor(spectra.rgb(1, 0.5, 0), 0.4, "orange tint")
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gen_recolor(spectra.rgb(1.0, 1.0, 0), 0.4, "yellow tint")
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gen_recolor(spectra.rgb(1.0, 1.0, 0.5), 0.4, "yellow white tint")
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gen_recolor(spectra.rgb(1.0, 1.0, 1.0), 0.4, "white tint")
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gen_recolor(spectra.rgb(0, 1.0, 0), 0.4, "green tint")
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gen_recolor(spectra.rgb(0, 1.0, 1.0), 0.4, "cyan tint")
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gen_recolor(spectra.rgb(0.5, 1.0, 1.0), 0.4, "cyan white tint")
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gen_recolor(spectra.rgb(0, 0, 1.0), 0.4, "blue tint")
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