fixes to get lighting mode working again

2012-01-06 20:23:15 -05:00
parent f76fd28a82
commit 4eaf103213
7 changed files with 118 additions and 31 deletions
--- a/overviewer_core/rendermodes.py
+++ b/overviewer_core/rendermodes.py
@@ -0,0 +1,74 @@
+#    This file is part of the Minecraft Overviewer.
+#
+#    Minecraft Overviewer is free software: you can redistribute it and/or
+#    modify it under the terms of the GNU General Public License as published
+#    by the Free Software Foundation, either version 3 of the License, or (at
+#    your option) any later version.
+#
+#    Minecraft Overviewer is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+#    Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License along
+#    with the Overviewer.  If not, see <http://www.gnu.org/licenses/>.
+
+from PIL import Image
+import textures
+
+# Render 3 blending masks for lighting
+# first is top (+Z), second is left (-X), third is right (+Y)
+def generate_facemasks():
+    white = Image.new("L", (24,24), 255)
+    
+    top = Image.new("L", (24,24), 0)
+    left = Image.new("L", (24,24), 0)
+    whole = Image.new("L", (24,24), 0)
+    
+    toppart = textures.Textures.transform_image_top(white)
+    leftpart = textures.Textures.transform_image_side(white)
+    
+    # using the real PIL paste here (not alpha_over) because there is
+    # no alpha channel (and it's mode "L")
+    top.paste(toppart, (0,0))
+    left.paste(leftpart, (0,6))
+    right = left.transpose(Image.FLIP_LEFT_RIGHT)
+    
+    # Manually touch up 6 pixels that leave a gap, like in
+    # textures._build_block()
+    for x,y in [(13,23), (17,21), (21,19)]:
+        right.putpixel((x,y), 255)
+    for x,y in [(3,4), (7,2), (11,0)]:
+        top.putpixel((x,y), 255)
+    
+    # special fix for chunk boundary stipple
+    for x,y in [(13,11), (17,9), (21,7)]:
+        right.putpixel((x,y), 0)
+    
+    return (top, left, right)
+facemasks = generate_facemasks()
+black_color = Image.new("RGB", (24,24), (0,0,0))
+white_color = Image.new("RGB", (24,24), (255,255,255))
+
+# Render 128 different color images for color coded depth blending in cave mode
+def generate_depthcolors():
+    depth_colors = []
+    r = 255
+    g = 0
+    b = 0
+    for z in range(128):
+        depth_colors.append(r)
+        depth_colors.append(g)
+        depth_colors.append(b)
+        
+        if z < 32:
+            g += 7
+        elif z < 64:
+            r -= 7
+        elif z < 96:
+            b += 7
+        else:
+            g -= 7
+
+    return depth_colors
+depth_colors = generate_depthcolors()