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biome: fix biome reading code

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Fixes #1696.
This commit is contained in:
Nicolas F
2019-12-23 18:31:30 +01:00
parent 64edf65aa5
commit e7c9a2c49e
1 changed files with 6 additions and 3 deletions
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9
overviewer_core/biome.py
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@@ -26,10 +26,13 @@ class BiomeDispensary:
self.biomes = [biome_array.reshape((16, 16))] self.biomes = [biome_array.reshape((16, 16))]
elif self.biome_len == 1024: elif self.biome_len == 1024:
self.biomes = [None] * 4 self.biomes = [None] * 4
# Each value in the biome array actually stands for 4 blocks, so we take the
# Kronecker product of it to "scale" it into its full size of 4096 entries
krond = numpy.kron(biome_array, numpy.ones((4)))
for i in range(0, 4): for i in range(0, 4):
# Map 256 values of the array to each self.biomes entry, resulting # Now we can divide it into 16x16 slices
# in 4 entries self.biomes[i] = krond[i * 256:(i + 1) * 256].reshape((16, 16))
self.biomes[i] = biome_array[i * 256:(i + 1) * 256].reshape((16, 16))
def get_biome(self, y_level): def get_biome(self, y_level):
if self.biome_len == 256 or y_level < 0: if self.biome_len == 256 or y_level < 0: