100 lines
2.5 KiB
Lua
100 lines
2.5 KiB
Lua
mcl_util = {}
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-- Based on minetest.rotate_and_place
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--[[
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Attempt to predict the desired orientation of the pillar-like node
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defined by `itemstack`, and place it accordingly in one of 3 possible
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orientations (X, Y or Z).
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Stacks are handled normally if the `infinitestacks`
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field is false or omitted (else, the itemstack is not changed).
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* `invert_wall`: if `true`, place wall-orientation on the ground and ground-
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orientation on wall
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This function is a simplified version of minetest.rotate_and_place.
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The Minetest function is seen as inappropriate because this includes mirror
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images of possible orientations, causing problems with pillar shadings.
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]]
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function mcl_util.rotate_axis_and_place(itemstack, placer, pointed_thing, infinitestacks, invert_wall)
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local unode = minetest.get_node_or_nil(pointed_thing.under)
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if not unode then
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return
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end
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local undef = minetest.registered_nodes[unode.name]
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if undef and undef.on_rightclick then
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undef.on_rightclick(pointed_thing.under, unode, placer,
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itemstack, pointed_thing)
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return
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end
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local fdir = minetest.dir_to_facedir(placer:get_look_dir())
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local wield_name = itemstack:get_name()
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local above = pointed_thing.above
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local under = pointed_thing.under
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local is_x = (above.x ~= under.x)
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local is_y = (above.y ~= under.y)
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local is_z = (above.z ~= under.z)
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local anode = minetest.get_node_or_nil(above)
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if not anode then
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return
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end
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local pos = pointed_thing.above
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local node = anode
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if undef and undef.buildable_to then
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pos = pointed_thing.under
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node = unode
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end
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if minetest.is_protected(pos, placer:get_player_name()) then
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minetest.record_protection_violation(pos, placer:get_player_name())
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return
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end
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local ndef = minetest.registered_nodes[node.name]
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if not ndef or not ndef.buildable_to then
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return
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end
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local p2
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if is_y then
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if invert_wall then
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if fdir == 3 or fdir == 1 then
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p2 = 12
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else
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p2 = 6
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end
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end
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elseif is_x then
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if invert_wall then
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p2 = 0
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else
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p2 = 12
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end
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elseif is_z then
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if invert_wall then
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p2 = 0
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else
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p2 = 6
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end
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end
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minetest.set_node(pos, {name = wield_name, param2 = p2})
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if not infinitestacks then
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itemstack:take_item()
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return itemstack
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end
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end
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-- Wrapper of above function for use as `on_place` callback (Recommended).
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-- Similar to minetest.rotate_node.
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function mcl_util.rotate_axis(itemstack, placer, pointed_thing)
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mcl_util.rotate_axis_and_place(itemstack, placer, pointed_thing,
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core.setting_getbool("creative_mode"),
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placer:get_player_control().sneak)
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return itemstack
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end
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