104 lines
2.8 KiB
Lua
104 lines
2.8 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
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local ItemStack, ipairs, minetest, nodecore, pairs, vector
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= ItemStack, ipairs, minetest, nodecore, pairs, vector
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-- LUALOCALS > ---------------------------------------------------------
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nodecore.register_craft({
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action = "press",
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label = "eject item",
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priority = -1,
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nodes = {
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{match = {stacked = true, count = false}}
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},
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check = function(pos, data)
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local stack = nodecore.stack_get(pos)
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if (not stack) or stack:is_empty() then return end
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local backstop = vector.subtract(vector.multiply(
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data.pointed.under, 2), data.pointed.above)
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return not nodecore.match(backstop, {walkable = true})
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end,
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after = function(pos, data)
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local stack = nodecore.stack_get(pos)
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if (not stack) or stack:is_empty() then return end
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local ctr = {
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x = data.axis.x ~= 0 and data.axis.x or pos.x,
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y = data.axis.y ~= 0 and data.axis.y or pos.y,
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z = data.axis.z ~= 0 and data.axis.z or pos.z
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}
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local vel = vector.add(
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vector.subtract(pos, ctr),
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vector.subtract(data.pointed.under, data.pointed.above)
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)
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local one = ItemStack(stack:to_string())
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one:set_count(1)
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nodecore.item_eject(
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vector.add(pos, vector.multiply(vel, 0.25)),
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one, 0, 1, vector.multiply(vel, 4)
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)
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stack:take_item(1)
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if stack:is_empty() and nodecore.node_group("is_stack_only", pos) then
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return minetest.remove_node(pos)
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end
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nodecore.witness(pos, "door catapult")
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return nodecore.stack_set(pos, stack)
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end
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})
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local done = {}
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local function backstop(pos, dir, depth)
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if depth <= 0 then return end
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pos = vector.add(pos, dir)
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if nodecore.buildable_to(pos) then return end
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if nodecore.node_group("falling_node", pos) then
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return backstop(pos, dir, depth - 1)
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end
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return true
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end
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local function pressify(rc)
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if rc.action ~= "pummel" then return end
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local thumpy = rc.toolgroups and rc.toolgroups.thumpy
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if not thumpy then return end
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if done[rc.label] then return end
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done[rc.label] = true
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local nr = {}
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for k, v in pairs(rc) do nr[k] = v end
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nr.action = "press"
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nr.toolgroups = nil
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local oldcheck = nr.check
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nr.check = function(pos, data)
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if not backstop(pos, vector.subtract(data.pointed.under,
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data.pointed.above), 4) then return end
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local g = nodecore.node_group("door", data.pointed.above) or 0
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if g < thumpy then return end
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if oldcheck then return oldcheck(pos, data) end
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return true
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end
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nodecore.register_craft(nr)
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end
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minetest.after(0, function()
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local t = {}
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for _, v in ipairs(nodecore.craft_recipes) do t[#t + 1] = v end
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minetest.after(0, function()
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for _, v in ipairs(t) do pressify(v) end
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end)
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end)
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local oldreg = nodecore.register_craft
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nodecore.register_craft = function(def, ...)
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local function helper(...)
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pressify(def)
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return ...
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end
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return helper(oldreg(def, ...))
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end
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