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Eliminate mass conversions between blossom and leaves

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This happens when the ABM runs after the block has been unloaded
for much longer than the ABM interval: in that case, the initial
ABM running chance for a node in the block may become up to 100%.
This commit is contained in:
Rogier 2015-06-18 09:36:17 +02:00
parent 6af38b488c
commit a27c97d3c9
1 changed files with 16 additions and 6 deletions
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18
nature_classic/blossom.lua
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@ -30,35 +30,45 @@ minetest.register_craft({
-- these ABMs can get heavy, so just enqueue the nodes
-- Adding Blossoms
-- Limit mass changes after block has not been loaded for some time:
-- Run ABM with higher frequency, but don't enqueue all blocks
minetest.register_abm({
nodenames = { nature.blossom_leaves },
interval = nature.blossom_delay,
interval = nature.blossom_delay / nature.leaves_blossom_chance,
chance = nature.leaves_blossom_chance,
action = function(pos, node, active_object_count, active_object_count_wider)
if math.random(nature.leaves_blossom_chance) == 1 then
nature.enqueue_node(pos, node, nature.blossom_node)
end
end
})
-- Removing blossoms
-- Limit mass changes after block has not been loaded for some time:
-- Run ABM with higher frequency, but don't enqueue all blocks
minetest.register_abm({
nodenames = { nature.blossom_node },
interval = nature.blossom_delay,
interval = nature.blossom_delay / nature.blossom_leaves_chance,
chance = nature.blossom_leaves_chance,
action = function(pos, node, active_object_count, active_object_count_wider)
if math.random(nature.blossom_leaves_chance) == 1 then
nature.enqueue_node(pos, node, nature.blossom_leaves)
end
end
})
-- Spawning apples
-- Limit mass changes after block has not been loaded for some time:
-- spawn apples with 10% chance, but with 10 times higher frequency
minetest.register_abm({
nodenames = { nature.blossom_node },
interval = nature.blossom_delay,
interval = nature.blossom_delay / 10,
chance = nature.apple_chance,
action = function(pos, node, active_object_count, active_object_count_wider)
if nature.dtime < 0.2 and not minetest.find_node_near(pos, nature.apple_spread, { "default:apple" }) then
if math.random(10) == 0 and nature.dtime < 0.2 and not minetest.find_node_near(pos, nature.apple_spread, { "default:apple" }) then
spawn_apple_under(pos)
end
end