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64 lines
1.9 KiB
Lua
64 lines
1.9 KiB
Lua
-- helper functions
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minetest.register_globalstep(function(dtime)
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nature.dtime = dtime
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if #nature.blossomqueue > 0 and dtime < 0.2 then
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local pos = nature.blossomqueue[1][1]
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local node = nature.blossomqueue[1][2]
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if (nature.blossomqueue[1][3] and not nature:is_near_water(pos)) then
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table.remove(nature.blossomqueue, 1) -- don't grow if it's not near water, pop from queue.
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return
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end
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nature:grow_node(pos, nature.blossom_node) -- now actually grow it.
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table.remove(nature.blossomqueue, 1)
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end
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end)
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function nature.enqueue_node(pos, node, fcn)
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local idx = #nature.blossomqueue
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nature.blossomqueue[idx+1] = {}
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nature.blossomqueue[idx+1][1] = pos
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nature.blossomqueue[idx+1][2] = node
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nature.blossomqueue[idx+1][3] = fcn
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end
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local function set_young_node(pos)
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local meta = minetest.get_meta(pos)
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meta:set_string(nature.node_young, nature.setting_true)
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minetest.after(nature.youth_delay,
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function(pos)
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local meta = minetest.get_meta(pos)
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meta:set_string(nature.node_young, nature.setting_false)
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end,
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pos)
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end
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local function is_not_young(pos)
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local meta = minetest.get_meta(pos)
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local young = meta:get_string(nature.node_young)
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return young ~= nature.setting_true
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end
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function nature:grow_node(pos, nodename)
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if pos ~= nil then
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local light_enough = minetest.get_node_light(pos, nil)
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>= nature.minimum_growth_light
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if is_not_young(pos) and light_enough then
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minetest.remove_node(pos)
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minetest.set_node(pos, { name = nodename })
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set_young_node(pos)
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minetest.log("info", nodename .. " has grown at " .. pos.x .. ","
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.. pos.y .. "," .. pos.z)
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end
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end
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end
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function nature:is_near_water(pos)
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return nature.distance_from_water == -1 or minetest.find_node_near(pos, nature.distance_from_water,
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{ "default:water_source" }) ~= nil
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end
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