89 lines
2 KiB
Lua
89 lines
2 KiB
Lua
local modname = minetest.get_current_modname()
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local api = blockgame.tree
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local vec = blockgame.vector
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-- NODE NAMES
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local leaves = modname .. ":leaves"
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local leaves_decomposing = modname .. ":leaves_decomposing"
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-- END OF NODE NAMES
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blockgame.register_increasing_abm({
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id = modname .. ":begin_decompose",
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label = "decompose leaves",
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nodenames = {leaves},
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neighbors = {"group:dirty", leaves_decomposing},
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interval = 15,
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chance = 4,
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rate = function (pos, node, data)
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return data.value + math.random(4, 6)
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end,
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check = function (pos, node, data)
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return data.value >= 20
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end,
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action = function (pos, node, data)
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minetest.set_node(pos, {name = leaves_decomposing})
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end,
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})
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local decompose_node_scores = {
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[leaves_decomposing] = 30,
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}
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local decompose_group_scores = {
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dirty = 50,
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}
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local decompose_cost = 2000
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local average_leaves_per_dirt = 4
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blockgame.register_increasing_abm({
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id = modname .. ":decompose",
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label = "decompose leaves",
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nodenames = {leaves_decomposing},
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neighbors = {"group:dirty", leaves_decomposing},
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interval = 30,
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chance = 10,
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rate = function (pos, node, data)
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local score = 100
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local source_pos = pos
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blockgame.flood_fill(pos, function (pos, distance)
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if pos == source_pos then return true end
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local name = minetest.get_node(pos).name
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local gain = 0
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for group, value in pairs(decompose_group_scores) do
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if minetest.get_item_group(name, group) > 0 then
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gain = math.max(gain, value)
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end
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end
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gain = math.floor(gain / distance)
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if gain > 0 then
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score = score + gain
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return true
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end
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if decompose_node_scores[name] then
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score = score + math.floor(decompose_node_scores[name] / distance)
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return true
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end
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end, 4)
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return data.value + score
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end,
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check = function (pos, node, data)
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return data.value >= decompose_cost
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end,
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action = function (pos, node, data)
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if blockgame.chance(average_leaves_per_dirt) then
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minetest.set_node(pos, {name = "bg_terrain:dirt"})
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else
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minetest.remove_node(pos)
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end
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end,
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})
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