629 lines
25 KiB
Python
629 lines
25 KiB
Python
import math
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from PIL import Image, ImageDraw
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from nml.spriteencoder import SpriteEncoder
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import spectra
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import struct
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import numpy as np
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from parser import Node, Expr, Value, Var, Temp, Perm, Call, parse_code, OP_INIT
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to_spectra = lambda r, g, b: spectra.rgb(float(r) / 255., float(g) / 255., float(b) / 255.)
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# working with DOS palette only
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PALETTE = (0, 0, 255, 16, 16, 16, 32, 32, 32, 48, 48, 48, 64, 64, 64, 80, 80, 80, 100, 100, 100, 116, 116, 116, 132, 132, 132, 148, 148, 148, 168, 168, 168, 184, 184, 184, 200, 200, 200, 216, 216, 216, 232, 232, 232, 252, 252, 252, 52, 60, 72, 68, 76, 92, 88, 96, 112, 108, 116, 132, 132, 140, 152, 156, 160, 172, 176, 184, 196, 204, 208, 220, 48, 44, 4, 64, 60, 12, 80, 76, 20, 96, 92, 28, 120, 120, 64, 148, 148, 100, 176, 176, 132, 204, 204, 168, 72, 44, 4, 88, 60, 20, 104, 80, 44, 124, 104, 72, 152, 132, 92, 184, 160, 120, 212, 188, 148, 244, 220, 176, 64, 0, 4, 88, 4, 16, 112, 16, 32, 136, 32, 52, 160, 56, 76, 188, 84, 108, 204, 104, 124, 220, 132, 144, 236, 156, 164, 252, 188, 192, 252, 208, 0, 252, 232, 60, 252, 252, 128, 76, 40, 0, 96, 60, 8, 116, 88, 28, 136, 116, 56, 156, 136, 80, 176, 156, 108, 196, 180, 136, 68, 24, 0, 96, 44, 4, 128, 68, 8, 156, 96, 16, 184, 120, 24, 212, 156, 32, 232, 184, 16, 252, 212, 0, 252, 248, 128, 252, 252, 192, 32, 4, 0, 64, 20, 8, 84, 28, 16, 108, 44, 28, 128, 56, 40, 148, 72, 56, 168, 92, 76, 184, 108, 88, 196, 128, 108, 212, 148, 128, 8, 52, 0, 16, 64, 0, 32, 80, 4, 48, 96, 4, 64, 112, 12, 84, 132, 20, 104, 148, 28, 128, 168, 44, 28, 52, 24, 44, 68, 32, 60, 88, 48, 80, 104, 60, 104, 124, 76, 128, 148, 92, 152, 176, 108, 180, 204, 124, 16, 52, 24, 32, 72, 44, 56, 96, 72, 76, 116, 88, 96, 136, 108, 120, 164, 136, 152, 192, 168, 184, 220, 200, 32, 24, 0, 56, 28, 0, 72, 40, 4, 88, 52, 12, 104, 64, 24, 124, 84, 44, 140, 108, 64, 160, 128, 88, 76, 40, 16, 96, 52, 24, 116, 68, 40, 136, 84, 56, 164, 96, 64, 184, 112, 80, 204, 128, 96, 212, 148, 112, 224, 168, 128, 236, 188, 148, 80, 28, 4, 100, 40, 20, 120, 56, 40, 140, 76, 64, 160, 100, 96, 184, 136, 136, 36, 40, 68, 48, 52, 84, 64, 64, 100, 80, 80, 116, 100, 100, 136, 132, 132, 164, 172, 172, 192, 212, 212, 224, 40, 20, 112, 64, 44, 144, 88, 64, 172, 104, 76, 196, 120, 88, 224, 140, 104, 252, 160, 136, 252, 188, 168, 252, 0, 24, 108, 0, 36, 132, 0, 52, 160, 0, 72, 184, 0, 96, 212, 24, 120, 220, 56, 144, 232, 88, 168, 240, 128, 196, 252, 188, 224, 252, 16, 64, 96, 24, 80, 108, 40, 96, 120, 52, 112, 132, 80, 140, 160, 116, 172, 192, 156, 204, 220, 204, 240, 252, 172, 52, 52, 212, 52, 52, 252, 52, 52, 252, 100, 88, 252, 144, 124, 252, 184, 160, 252, 216, 200, 252, 244, 236, 72, 20, 112, 92, 44, 140, 112, 68, 168, 140, 100, 196, 168, 136, 224, 200, 176, 248, 208, 184, 255, 232, 208, 252, 60, 0, 0, 92, 0, 0, 128, 0, 0, 160, 0, 0, 196, 0, 0, 224, 0, 0, 252, 0, 0, 252, 80, 0, 252, 108, 0, 252, 136, 0, 252, 164, 0, 252, 192, 0, 252, 220, 0, 252, 252, 0, 204, 136, 8, 228, 144, 4, 252, 156, 0, 252, 176, 48, 252, 196, 100, 252, 216, 152, 8, 24, 88, 12, 36, 104, 20, 52, 124, 28, 68, 140, 40, 92, 164, 56, 120, 188, 72, 152, 216, 100, 172, 224, 92, 156, 52, 108, 176, 64, 124, 200, 76, 144, 224, 92, 224, 244, 252, 200, 236, 248, 180, 220, 236, 132, 188, 216, 88, 152, 172, 244, 0, 244, 245, 0, 245, 246, 0, 246, 247, 0, 247, 248, 0, 248, 249, 0, 249, 250, 0, 250, 251, 0, 251, 252, 0, 252, 253, 0, 253, 254, 0, 254, 255, 0, 255, 76, 24, 8, 108, 44, 24, 144, 72, 52, 176, 108, 84, 210, 146, 126, 252, 60, 0, 252, 84, 0, 252, 104, 0, 252, 124, 0, 252, 148, 0, 252, 172, 0, 252, 196, 0, 64, 0, 0, 255, 0, 0, 48, 48, 0, 64, 64, 0, 80, 80, 0, 255, 255, 0, 32, 68, 112, 36, 72, 116, 40, 76, 120, 44, 80, 124, 48, 84, 128, 72, 100, 144, 100, 132, 168, 216, 244, 252, 96, 128, 164, 68, 96, 140, 255, 255, 255)
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SAFE_COLORS = set(range(1, 0xD7))
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ALL_COLORS = set(range(256))
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SPECTRA_PALETTE = {i:to_spectra(PALETTE[i * 3], PALETTE[i * 3 + 1], PALETTE[i * 3 + 2]) for i in range(256)}
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WATER_COLORS = set(range(0xF5, 0xFF))
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# ZOOM_OUT_4X, ZOOM_NORMAL, ZOOM_OUT_2X, ZOOM_OUT_8X, ZOOM_OUT_16X, ZOOM_OUT_32X = range(6)
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ZOOM_4X, ZOOM_NORMAL, ZOOM_2X, ZOOM_8X, ZOOM_16X, ZOOM_32X = range(6)
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BPP_8, BPP_32 = range(2)
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OBJECT = 0x0f
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def hex_str(s):
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if isinstance(s, (bytes, memoryview)):
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return ':'.join('{:02x}'.format(b) for b in s)
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return ':'.join('{:02x}'.format(ord(c)) for c in s)
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def color_distance(c1, c2):
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rmean = (c1.rgb[0] + c2.rgb[0]) / 2.
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r = c1.rgb[0] - c2.rgb[0]
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g = c1.rgb[1] - c2.rgb[1]
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b = c1.rgb[2] - c2.rgb[2]
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return math.sqrt(
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((2 + rmean) * r * r) +
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4 * g * g +
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(3 - rmean) * b * b)
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def find_best_color(x, in_range=SAFE_COLORS):
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mj, md = 0, 1e100
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for j in in_range:
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c = SPECTRA_PALETTE[j]
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d = color_distance(x, c)
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if d < md:
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mj, md = j, d
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return mj
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# def map_rgb_image(self, im):
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# assert im.mode == 'RGB', im.mode
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# data = np.array(im)
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class BaseSprite:
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def get_data(self):
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raise NotImplemented
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def get_data_size(self):
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raise NotImplemented
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class PaletteRemap(BaseSprite):
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def __init__(self, ranges=None):
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self.remap = np.arange(256, dtype=np.uint8)
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if ranges:
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self.set_ranges(ranges)
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def get_data(self):
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return b'\x00' + self.remap.tobytes()
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def get_data_size(self):
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return 257
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@classmethod
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def from_function(cls, color_func, remap_water=False):
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res = cls()
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for i in SAFE_COLORS:
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res.remap[i] = find_best_color(color_func(SPECTRA_PALETTE[i]))
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if remap_water:
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for i in WATER_COLORS:
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res.remap[i] = find_best_color(color_func(SPECTRA_PALETTE[i]))
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return res
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def set_ranges(self, ranges):
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for r in ranges:
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f, t, v = r
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self.remap[f: t + 1] = v
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def remap_image(self, im):
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assert im.mode == 'P', im.mode
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data = np.array(im)
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data = self.remap[data]
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res = Image.fromarray(data)
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res.putpalette(PALETTE)
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return res
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class RealSprite(BaseSprite):
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def __init__(self, w, h, *, xofs=0, yofs=0, zoom=ZOOM_4X):
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self.sprite_id = None
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self.w = w
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self.h = h
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# self.file = None
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# self.x = None
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# self.y = None
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self.xofs = xofs
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self.yofs = yofs
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self.zoom = zoom
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def get_data_size(self):
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return 4
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def get_data(self):
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return struct.pack('<I', self.sprite_id)
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def get_real_data(self):
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raise NotImplementedError
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def draw(self, img):
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raise NotImplementedError
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class ImageFile:
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def __init__(self, filename, bpp=BPP_8):
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assert(bpp == BPP_8) # TODO
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self.filename = filename
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self.bpp = bpp
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self._image = None
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def get_image(self):
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if self._image:
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return self._image
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img = Image.open(self.filename)
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assert (img.mode == 'P') # TODO
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pal = tuple(img.getpalette())
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if pal != PALETTE:
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print(f'Custom palette in file {self.filename}, converting...')
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# for i in range(256):
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# if tuple(pal[i * 3: i*3 + 3]) != PALETTE[i * 3: i*3 + 3]:
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# print(i, pal[i * 3: i*3 + 3], PALETTE[i * 3: i*3 + 3])
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remap = PaletteRemap()
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for i in ALL_COLORS:
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remap.remap[i] = find_best_color(to_spectra(pal[3 * i], pal[3 * i + 1], pal[3 * i + 2]), in_range=ALL_COLORS)
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self._image = remap.remap_image(img)
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else:
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self._image = img
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return self._image
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class FileSprite(RealSprite):
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def __init__(self, file, x, y, w, h, **kw):
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assert(isinstance(file, ImageFile))
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super().__init__(w, h, **kw)
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self.file = file
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self.x = x
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self.y = y
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def get_real_data(self):
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img = self.file.get_image()
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img = img.crop((self.x, self.y, self.x + self.w, self.y + self.h))
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raw_data = img.tobytes()
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se = SpriteEncoder(True, False, None)
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data = se.sprite_compress(raw_data)
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return struct.pack(
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'<IIBBHHhh',
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self.sprite_id,
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len(data) + 10, 0x04,
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self.zoom,
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self.h,
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self.w,
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self.xofs,
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self.yofs,
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) + data
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# return struct.pack(
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# '<IIBBHHhhI',
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# self.sprite_id,
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# len(data) + 14, 0x0C,
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# self.zoom,
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# self.h,
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# self.w,
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# self.xofs,
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# self.yofs,
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# len(raw_data),
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# ) + data
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class SpriteSheet:
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def __init__(self, sprites=None):
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self._sprites = list(sprites) if sprites else []
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def make_image(self, filename, padding=5, columns=10):
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w, h = 0, padding
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lineofs = []
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for i in range(0, len(self._sprites), columns):
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w = max(w, sum(s.w for s in self._sprites[i: i + columns]))
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lineofs.append(h)
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h += padding + max((s.h for s in self._sprites[i: i + columns]), default=0)
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w += (columns + 1) * padding
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im = Image.new('L', (w, h), color=0xff)
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im.putpalette(PALETTE)
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x = 0
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for i, s in enumerate(self._sprites):
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y = lineofs[i // columns]
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if i % columns == 0:
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x = padding
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s.x = x
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s.y = y
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s.file = filename
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s.draw(im)
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x += s.w + padding
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im.save(filename)
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def write_nml(self, file):
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for s in self._sprites:
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file.write(s.get_nml())
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file.write('\n')
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file.write('\n')
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class DummySprite(BaseSprite):
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def get_data(self):
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return b'\x00'
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def get_data_size(self):
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return 1
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class DescriptionSprite(BaseSprite): # action 8
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def __init__(self, grfid, name, description):
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assert isinstance(grfid, bytes)
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assert isinstance(name, str)
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assert isinstance(description, str)
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self.grfid = grfid
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self.name = name
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self.description = description
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self._data = b'\x08\x08' + self.grfid + self.name.encode('utf-8') + b'\x00' + self.description.encode('utf-8') + b'\x00'
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def get_data(self):
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return self._data
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def get_data_size(self):
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return len(self._data)
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class InformationSprite(BaseSprite): # action 14
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def __init__(self, palette): # TODO everything else
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# self.palette = {'D': b'\x00', 'W': b'\x01', 'A': b'\x02'}[palette]
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self.palette = palette.encode('utf-8')
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self._data = b'\x14CINFOBPALS\x01\x00' + self.palette + b'\x00\x00'
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def get_data(self):
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return self._data
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def get_data_size(self):
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return len(self._data)
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class ReplaceSprites(BaseSprite): # action A
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def __init__(self, sets):
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assert isinstance(sets, (list, tuple))
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assert len(sets) <= 0xff
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for first, num in sets:
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assert isinstance(first, int)
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assert isinstance(num, int)
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self.sets = sets
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def get_data(self):
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return bytes((0xa, len(self.sets))) + b''.join(struct.pack('<BH', num, first) for first, num in self.sets)
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def get_data_size(self):
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return 2 + 3 * len(self.sets)
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class ReplaceNewSprites(BaseSprite): # action 5
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def __init__(self, set_type, num): # TODO offset
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assert isinstance(set_type, int)
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assert isinstance(num, int)
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self.set_type = set_type
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self.num = num
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def get_data(self):
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return bytes((0x5,)) + struct.pack('<BBH', self.set_type, 0xff, self.num)
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def get_data_size(self):
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return 5
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ACTION0_OBJECT_PROPS = (
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(0x08, 'label', 'L'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 Class label, see below
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(0x09, 'class_name_id', 'W'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 Text ID for class
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(0x0A, 'name_id', 'W'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 Text ID for this object
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(0x0B, 'climate', 'B'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 Climate availability
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(0x0C, 'size', 'B'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 Byte representing size, see below
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(0x0D, 'build_cost_factor', 'B'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 Object build cost factor (sets object removal cost factor as well)
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(0x0E, 'intro_date', 'D'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 Introduction date, see below
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(0x0F, 'eol_date', 'D'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 End of life date, see below
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(0x10, 'flags', 'W'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 Object flags, see below
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(0x11, 'anim_info', 'W'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 Animation information
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(0x12, 'anim_speed', 'B'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 Animation speed
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(0x13, 'anim_trigger', 'W'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 Animation triggers
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(0x14, 'removal_cost_factor', 'B'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 Object removal cost factor (set after object build cost factor)
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(0x15, 'cb_flags', 'W'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 Callback flags, see below
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(0x16, 'building_height', 'B'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 Height of the building
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(0x17, 'num_views', 'B'), # Supported by OpenTTD 1.1 (r20670)1.1 Supported by TTDPatch 2.6 (r2340)2.6 Number of object views
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(0x18, 'num_objects', 'B'), # Supported by OpenTTD 1.4 (r25879)1.4 Not supported by TTDPatch Measure for number of objects placed upon map creation
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)
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ACTION0_OBJECT_PROP_DICT = {name: (id, size) for id, name, size in ACTION0_OBJECT_PROPS}
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class LazyBaseSprite(BaseSprite):
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def __init__(self):
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super().__init__()
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self._data = None
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def _encode(self):
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raise NotImplemented
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def get_data(self):
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if self._data is None:
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self._data = self._encode()
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return self._data
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def get_data_size(self):
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return len(self.get_data())
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class Action0(LazyBaseSprite): # action 0
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def __init__(self, feature, first_id, count, props):
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super().__init__()
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self.feature = feature
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self.first_id = first_id
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self.count = count
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if feature != OBJECT:
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raise NotImplemented
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self.props = props
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assert all(x in ACTION0_OBJECT_PROP_DICT for x in props)
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def _encode_value(self, value, fmt):
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if fmt == 'B': return struct.pack('<B', value)
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if fmt == 'W': return struct.pack('<H', value)
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if fmt == 'D': return struct.pack('<I', value)
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if fmt == 'L':
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if isinstance(value, int): return struct.pack('<I', value)
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assert isinstance(value, bytes)
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assert len(value) == 4, len(value)
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return value
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if fmt == 'B*': return struct.pack('<BH', 255, value)
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if fmt == 'n*B':
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assert isinstance(value, bytes)
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assert len(value) < 256, len(value)
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return struct.pack('<B', len(value)) + value
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def _encode(self):
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res = struct.pack('<BBBBBH',
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0, self.feature, len(self.props), self.count, 255, self.first_id)
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for prop, value in self.props.items():
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code, fmt = ACTION0_OBJECT_PROP_DICT[prop]
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res += bytes((code,)) + self._encode_value(value, fmt)
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return res
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class Object(Action0):
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class Flags:
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NONE = 0 # Just nothing.
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ONLY_IN_SCENEDIT = 1 << 0 # Object can only be constructed in the scenario editor.
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CANNOT_REMOVE = 1 << 1 # Object can not be removed.
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AUTOREMOVE = 1 << 2 # Object get automatically removed (like "owned land").
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BUILT_ON_WATER = 1 << 3 # Object can be built on water (not required).
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CLEAR_INCOME = 1 << 4 # When object is cleared a positive income is generated instead of a cost.
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HAS_NO_FOUNDATION = 1 << 5 # Do not display foundations when on a slope.
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ANIMATION = 1 << 6 # Object has animated tiles.
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ONLY_IN_GAME = 1 << 7 # Object can only be built in game.
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CC2_COLOUR = 1 << 8 # Object wants 2CC colour mapping.
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NOT_ON_LAND = 1 << 9 # Object can not be on land, implicitly sets #OBJECT_FLAG_BUILT_ON_WATER.
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DRAW_WATER = 1 << 10 # Object wants to be drawn on water.
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ALLOW_UNDER_BRIDGE = 1 << 11 # Object can built under a bridge.
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ANIM_RANDOM_BITS = 1 << 12 # Object wants random bits in "next animation frame" callback.
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SCALE_BY_WATER = 1 << 13 # Object count is roughly scaled by water amount at edges.
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def __init__(self, id, **props):
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if 'size' in props:
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props['size'] = (props['size'][1] << 4) | props['size'][0]
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super().__init__(OBJECT, id, 1, props)
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class Action1(LazyBaseSprite):
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def __init__(self, feature, set_count, sprite_count):
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super().__init__()
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self.feature = feature
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self.set_count = set_count
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self.sprite_count = sprite_count
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def _encode(self):
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return struct.pack('<BBBBH', 0x01,
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self.feature, self.set_count, 0xFF, self.sprite_count)
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class SpriteSet(Action1):
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def __init__(self, feature, sprite_count):
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super().__init__(feature, 1, sprite_count)
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class BasicSpriteLayout(LazyBaseSprite):
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def __init__(self, feature, set_id, xofs=0, yofs=0, extent=(0, 0, 0)):
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super().__init__()
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assert feature in (0x07, 0x09, OBJECT, 0x11), feature
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self.feature = feature
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self.set_id = set_id
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self.xofs = xofs
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self.yofs = yofs
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self.extent = extent
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def _encode_sprite(self, id=0, mode=0, recolor=0, draw_in_transparent=False, use_last=False):
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return id | (mode << 14) | (recolor << 16) | (draw_in_transparent << 30) | (use_last << 31)
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def _encode(self):
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return struct.pack('<BBBBIIbbBBB', 0x02, self.feature, self.set_id, 0,
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# self._encode_sprite(), self._encode_sprite(),
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self._encode_sprite(use_last=True), 0,
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self.xofs, self.yofs,
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*self.extent)
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class AdvancedSpriteLayout(LazyBaseSprite):
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def __init__(self, feature, set_id, ground, sprites=()):
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super().__init__()
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assert feature in (0x07, 0x09, OBJECT, 0x11), feature
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assert len(sprites) < 64, len(sprites)
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self.feature = feature
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self.set_id = set_id
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self.ground = ground
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self.sprites = sprites
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def _encode_sprite(self, sprite, aux=False):
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res = struct.pack('<HHH', sprite['sprite'], sprite['pal'], sprite['flags'])
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if aux:
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delta = sprite.get('delta', (0, 0, 0))
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is_parent = bool(sprite.get('parent'))
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if not is_parent:
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delta = (delta[0], delta[1], 0x80)
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res += struct.pack('<BBB', *delta)
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if is_parent:
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res += struct.pack('<BBB', *sprite.get('size'))
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for k in ('dodraw', 'add', 'palette', 'sprite_var10', 'palette_var10'):
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if k in sprite:
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val = sprite[k]
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if k == 'add':
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assert isinstance(val, Temp)
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val = val.register
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res += bytes((val, ))
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# TODO deltas
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return res
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def _encode(self):
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res = struct.pack('<BBBB', 0x02, self.feature, self.set_id, len(self.sprites) + 0x40)
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res += self._encode_sprite(self.ground)
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for s in self.sprites:
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res += self._encode_sprite(s, True)
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return res
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class Set:
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def __init__(self, set_id):
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self.value = set_id
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self.is_callback = bool(set_id & 0x8000)
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self.set_id = set_id & 0x7fff
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def __str__(self):
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if self.is_callback:
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return f'CB({self.set_id})'
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return f'Set({self.set_id})'
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__repr__ = __str__
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class CB(Set):
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def __init__(self, value):
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super().__init__(value | 0x8000)
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class Range:
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def __init__(self, low, high, set):
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self.set = set
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self.low = low
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self.high = high
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def __str__(self):
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if self.low == self.high:
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return f'{self.low} -> {self.set}'
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return f'{self.low}..{self.high} -> {self.set}'
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__repr__ = __str__
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class VarAction2(LazyBaseSprite):
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def __init__(self, feature, set_id, use_related, ranges, default, code):
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super().__init__()
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self.feature = feature
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assert feature == OBJECT, feature
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self.set_id = set_id
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self.use_related = use_related
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self.ranges = ranges
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self.default = default
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self.code = parse_code(code)
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def _get_set_value(self, set_obj):
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if isinstance(set_obj, Set):
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return set_obj.value
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assert isinstance(set_obj, int)
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return set_obj | 0x8000
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def _encode(self):
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res = bytes((0x02, self.feature, self.set_id, 0x8a if self.use_related else 0x89))
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code = self.code[0].compile(register=0x80)[1]
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for c in self.code[1:]:
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code += bytes((OP_INIT,))
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code += c.compile(register=0x80)[1]
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# print('CODE', hex_str(code))
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res += code[:-5]
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res += bytes((code[-5] & ~0x20,)) # mark the end of a chain
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res += code[-4:]
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res += bytes((len(self.ranges),))
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# print('RES', hex_str(res))
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ranges = self.ranges
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if isinstance(ranges, dict):
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ranges = self.ranges.items()
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for r in ranges:
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if isinstance(r, Range):
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set_obj = r.set
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low = r.low
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high = r.high
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else:
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set_obj = r[1]
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low = r[0]
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high = r[0]
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# TODO split (or validate) negative-positive ranges
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res += struct.pack('<Hii', self._get_set_value(set_obj), low, high)
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res += struct.pack('<H', self._get_set_value(self.default))
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return res
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class Action3(LazyBaseSprite):
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def __init__(self, feature, ids, maps, default):
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super().__init__()
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self.feature = feature
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self.ids = ids
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self.maps = maps
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self.default = default
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def _encode(self):
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idcount = len(self.ids)
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mcount = len(self.maps)
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res = struct.pack(
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'<BBB' + 'B' * idcount + 'B' + 'BH' * mcount + 'H',
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0x03, self.feature, idcount,
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*self.ids, mcount, *sum(self.maps, []),
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self.default)
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return res
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class Map(Action3):
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def __init__(self, object, maps, default):
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super().__init__(object.feature, [object.first_id], maps, default)
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class NewGRF:
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def __init__(self, grfid, name, description):
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self.sprites = []
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self.pseudo_sprites = []
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self.pseudo_sprites.append(InformationSprite('D'))
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self.pseudo_sprites.append(DescriptionSprite(grfid, name, description))
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self._next_sprite_id = 1
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def add_sprite(self, *sprites):
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assert(len(sprites) > 0)
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if isinstance(sprites[0], RealSprite):
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assert(all(isinstance(s, RealSprite) for s in sprites))
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assert(len(set(s.zoom for s in sprites)) == len(sprites))
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for s in sprites:
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s.sprite_id = self._next_sprite_id
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self._next_sprite_id += 1
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for s in sprites:
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self.sprites.append(s)
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self.pseudo_sprites.append(sprites[0])
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else:
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assert(len(sprites) == 1)
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self.pseudo_sprites.append(sprites[0])
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def _write_pseudo_sprite(self, f, data, grf_type=0xff):
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f.write(struct.pack('<IB', len(data), grf_type))
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f.write(data)
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def write(self, filename):
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data_offset = 14
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for s in self.pseudo_sprites:
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data_offset += s.get_data_size() + 5
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|
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with open(filename, 'wb') as f:
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f.write(b'\x00\x00GRF\x82\x0d\x0a\x1a\x0a') # file header
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f.write(struct.pack('<I', data_offset))
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f.write(b'\x00') # compression(1)
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# f.write(b'\x04\x00\x00\x00') # num(4)
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# f.write(b'\xFF') # grf_type(1)
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# f.write(b'\xb0\x01\x00\x00') # num + 0xff -> recoloursprites() (257 each)
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self._write_pseudo_sprite(f, b'\x02\x00\x00\x00')
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|
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for s in self.pseudo_sprites:
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self._write_pseudo_sprite(f, s.get_data(), grf_type=0xfd if isinstance(s, RealSprite) else 0xff)
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f.write(b'\x00\x00\x00\x00')
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for s in self.sprites:
|
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f.write(s.get_real_data())
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f.write(b'\x00\x00\x00\x00') |