207 lines
6.4 KiB
Python
207 lines
6.4 KiB
Python
# This file is part of the Minecraft Overviewer.
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#
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# Minecraft Overviewer is free software: you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or (at
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# your option) any later version.
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#
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# Minecraft Overviewer is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with the Overviewer. If not, see <http://www.gnu.org/licenses/>.
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from PIL import Image
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import textures
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"""The contents of this file are imported into the namespace of config files.
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It also defines the render primitive objects, which are used by the C code.
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Each render primitive has a corresponding section of C code, so both places
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must be changed simultaneously if you want to make any changes.
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"""
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class RenderPrimitive(object):
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options = {}
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name = None
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def __init__(self, **kwargs):
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if self.name is None:
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raise RuntimeError("RenderPrimitive cannot be used directly")
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self.option_values = {}
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for key, val in kwargs.iteritems():
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if not key in self.options:
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raise ValueError("primitive `{0}' has no option `{1}'".format(self.name, key))
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self.option_values[key] = val
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# set up defaults
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for name, (description, default) in self.options.iteritems():
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if not name in self.option_values:
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self.option_values[name] = default
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class Base(RenderPrimitive):
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name = "base"
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options = {
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"biomes": ("whether or not to use biomes", True),
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}
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class Nether(RenderPrimitive):
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name = "nether"
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class HeightFading(RenderPrimitive):
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name = "height-fading"
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black_color = Image.new("RGB", (24,24), (0,0,0))
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white_color = Image.new("RGB", (24,24), (255,255,255))
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class Depth(RenderPrimitive):
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name = "depth"
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options = {
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"min": ("lowest level of blocks to render", 0),
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"max": ("highest level of blocks to render", 255),
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}
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class EdgeLines(RenderPrimitive):
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name = "edge-lines"
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options = {
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"opacity": ("darkness of the edge lines, from 0.0 to 1.0", 0.15),
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}
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class Cave(RenderPrimitive):
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name = "cave"
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options = {
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"only_lit": ("only render lit caves", False),
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}
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class DepthTinting(RenderPrimitive):
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name = "depth-tinting"
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@property
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def depth_colors(self):
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depth_colors = getattr(self, "_depth_colors", [])
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if depth_colors:
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return depth_colors
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r = 255
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g = 0
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b = 0
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for z in range(128):
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depth_colors.append(r)
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depth_colors.append(g)
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depth_colors.append(b)
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if z < 32:
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g += 7
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elif z < 64:
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r -= 7
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elif z < 96:
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b += 7
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else:
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g -= 7
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self._depth_colors = depth_colors
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return depth_colors
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class Lighting(RenderPrimitive):
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name = "lighting"
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options = {
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"strength": ("how dark to make the shadows, from 0.0 to 1.0", 1.0),
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"night": ("whether to use nighttime skylight settings", False),
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"color": ("whether to use colored light", False),
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}
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@property
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def facemasks(self):
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facemasks = getattr(self, "_facemasks", None)
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if facemasks:
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return facemasks
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white = Image.new("L", (24,24), 255)
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top = Image.new("L", (24,24), 0)
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left = Image.new("L", (24,24), 0)
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whole = Image.new("L", (24,24), 0)
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toppart = textures.Textures.transform_image_top(white)
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leftpart = textures.Textures.transform_image_side(white)
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# using the real PIL paste here (not alpha_over) because there is
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# no alpha channel (and it's mode "L")
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top.paste(toppart, (0,0))
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left.paste(leftpart, (0,6))
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right = left.transpose(Image.FLIP_LEFT_RIGHT)
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# Manually touch up 6 pixels that leave a gap, like in
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# textures._build_block()
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for x,y in [(13,23), (17,21), (21,19)]:
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right.putpixel((x,y), 255)
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for x,y in [(3,4), (7,2), (11,0)]:
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top.putpixel((x,y), 255)
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# special fix for chunk boundary stipple
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for x,y in [(13,11), (17,9), (21,7)]:
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right.putpixel((x,y), 0)
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self._facemasks = (top, left, right)
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return self._facemasks
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class SmoothLighting(Lighting):
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name = "smooth-lighting"
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class ClearBase(RenderPrimitive):
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name = "clear-base"
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class Overlay(RenderPrimitive):
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name = "overlay"
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@property
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def whitecolor(self):
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whitecolor = getattr(self, "_whitecolor", None)
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if whitecolor:
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return whitecolor
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white = Image.new("RGBA", (24,24), (255, 255, 255, 255))
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self._whitecolor = white
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return white
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@property
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def facemask_top(self):
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facemask_top = getattr(self, "_facemask_top", None)
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if facemask_top:
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return facemask_top
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white = Image.new("L", (24,24), 255)
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top = Image.new("L", (24,24), 0)
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toppart = textures.Textures.transform_image_top(white)
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top.paste(toppart, (0,0))
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for x,y in [(3,4), (7,2), (11,0)]:
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top.putpixel((x,y), 255)
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self._facemask_top = top
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return top
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class SpawnOverlay(Overlay):
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name = "overlay-spawn"
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class MineralOverlay(Overlay):
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name = "overlay-mineral"
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options = {
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'minerals' : ('a list of (blockid, (r, g, b)) tuples for coloring minerals', None),
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}
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class Hide(RenderPrimitive):
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name = "hide"
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options = {
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'blocks' : ('a list of blockids or (blockid, data) tuples of blocks to hide', []),
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}
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# Built-in rendermodes for your convenience!
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normal = [Base(), EdgeLines()]
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lighting = [Base(), EdgeLines(), Lighting()]
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smooth_lighting = [Base(), EdgeLines(), SmoothLighting()]
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night = [Base(), EdgeLines(), Lighting(night=True)]
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smooth_night = [Base(), EdgeLines(), SmoothLighting(night=True)]
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nether = [Base(), EdgeLines(), Nether()]
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nether_lighting = [Base(), EdgeLines(), Nether(), Lighting()]
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nether_smooth_lighting = [Base(), EdgeLines(), Nether(), SmoothLighting()]
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cave = [Base(), EdgeLines(), Cave(), DepthTinting()]
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