79 lines
2.2 KiB
Lua
79 lines
2.2 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
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local ipairs, math, minetest, nodecore, vector
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= ipairs, math, minetest, nodecore, vector
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local math_floor, math_random
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= math.floor, math.random
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-- LUALOCALS > ---------------------------------------------------------
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local modname = minetest.get_current_modname()
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local falling = {groups = {falling_node = true}}
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local radius = {x = 2, y = 2, z = 2}
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local function fallcheck(name, start)
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if not nodecore.interact(name) then return end
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local target = vector.add(start, {
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x = math_random() * 128 - 64,
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y = math_random() * 128 - 64,
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z = math_random() * 128 - 64
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})
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local pointed = minetest.raycast(start, target, false)()
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if not pointed or not pointed.under then return end
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local pos = pointed.under
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local found = minetest.find_nodes_in_area(
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vector.subtract(pos, radius),
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vector.add(pos, radius),
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"group:falling_node")
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if #found < 1 then return end
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pos = nodecore.pickrand(found)
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local miny = pos.y - 64
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repeat pos.y = pos.y - 1 until pos.y < miny or not nodecore.match(pos, falling)
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if pos.y < miny then return end
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pos.y = pos.y + 1
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local prev = minetest.get_node(pos).name
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nodecore.falling_repose_check(pos)
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if minetest.get_node(pos).name ~= prev then
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minetest.log(modname .. ": " .. name .. " disturbed "
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.. prev .. " at " .. minetest.pos_to_string(pos))
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end
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end
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local function queuechecks(qty, name, pos)
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if qty < 1 then return end
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minetest.after(0, function()
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for i = 1, qty do
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fallcheck(name, pos)
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end
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end)
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end
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local oldpos = {}
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local qtys = {}
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minetest.register_globalstep(function(dtime)
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for i, v in ipairs(minetest.get_connected_players()) do
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local name = v:get_player_name()
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local pos = v:get_pos()
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local old = oldpos[name] or pos
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oldpos[name] = pos
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if v:get_player_control().sneak then return end
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local q = (qtys[name] or 0)
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+ vector.distance(pos, old) * 0.25
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+ dtime * 0.05
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queuechecks(math_floor(q), name, pos)
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qtys[name] = q - math_floor(q)
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end
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end)
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minetest.register_on_dignode(function(pos, oldnode, digger)
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local name = "(unknown)"
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if digger and digger.get_player_name then name = digger:get_player_name() end
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queuechecks(4, name, pos)
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end)
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