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Flora spread: Reduce maximum density
Previously, maximum flora density was chosen based on the extremely rare occurrence of all 8 flowers being at high density at one location. This caused flora everywhere to spread to an unacceptably high density. Revert the threshold to 3, which in testing results in a more acceptable maximum density of 7 flora per 9x9 area.
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@ -139,12 +139,9 @@ function flowers.flower_spread(pos, node)
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local pos0 = vector.subtract(pos, 4)
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local pos0 = vector.subtract(pos, 4)
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local pos1 = vector.add(pos, 4)
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local pos1 = vector.add(pos, 4)
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-- Maximum flower density created by mapgen is 13 per 9x9 area.
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-- Testing shows that a threshold of 3 results in an appropriate maximum
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-- The limit of 7 below was tuned by in-game testing to result in a maximum
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-- density of approximately 7 flora per 9x9 area.
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-- flower density by ABM spread of 13 per 9x9 area.
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if #minetest.find_nodes_in_area(pos0, pos1, "group:flora") > 3 then
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-- Warning: Setting this limit theoretically without in-game testing
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-- results in a maximum flower density by ABM spread that is far too high.
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if #minetest.find_nodes_in_area(pos0, pos1, "group:flora") > 7 then
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return
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return
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end
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end
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