forked from nalc/homedecor_modpack
01b55f1a9a
better prediction for placing horizontals at the top and bottom of the stack, particularly if they're placed within 1 node of the correct spot.
336 lines
14 KiB
Lua
336 lines
14 KiB
Lua
local S = homedecor.gettext
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-- vectors to place one node next to or behind another
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homedecor.fdir_to_right = {
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{ 1, 0 },
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{ 0, -1 },
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{ -1, 0 },
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{ 0, 1 },
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}
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homedecor.fdir_to_left = {
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{ -1, 0 },
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{ 0, 1 },
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{ 1, 0 },
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{ 0, -1 },
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}
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homedecor.fdir_to_fwd = {
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{ 0, 1 },
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{ 1, 0 },
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{ 0, -1 },
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{ -1, 0 },
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}
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-- selects which node was pointed at based on it being known, and either clickable or buildable_to
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local function select_node(pointed_thing)
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local pos = pointed_thing.under
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local def = minetest.registered_nodes[minetest.get_node(pos).name]
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if not def or (not def.on_rightclick and not def.buildable_to) then
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pos = pointed_thing.above
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def = minetest.registered_nodes[minetest.get_node(pos).name]
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end
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return pos, def
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end
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-- abstract function checking if 2 given nodes can and may be build to a place
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local function is_buildable_to(placer_name, pos, def, pos2)
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local def = def or minetest.registered_nodes[minetest.get_node(pos).name]
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local def2 = minetest.registered_nodes[minetest.get_node(pos2).name]
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return def and def.buildable_to and def2 and def2.buildable_to
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and not minetest.is_protected(pos, placer_name)
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and not minetest.is_protected(pos2, placer_name)
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end
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-- place one or two nodes if and only if both can be placed
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local function stack(itemstack, placer, fdir, pos, def, pos2, node1, node2)
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local placer_name = placer:get_player_name() or ""
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if is_buildable_to(placer_name, pos, def, pos2) then
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local fdir = fdir or minetest.dir_to_facedir(placer:get_look_dir())
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minetest.set_node(pos, { name = node1, param2 = fdir })
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node2 = node2 or "air" -- this can be used to clear buildable_to nodes even though we are using a multinode mesh
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minetest.set_node(pos2, { name = node2, param2 = (node2 ~= "air" and fdir) or nil })
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-- temporary check if this is a locked node to set its infotext
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local nodename = itemstack:get_name()
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if string.find(nodename, "_locked") then
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local meta = minetest.get_meta(pos)
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meta:set_string("owner", placer_name)
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meta:set_string("infotext", S("Locked %s (owned by %s)"):format(minetest.registered_nodes[nodename].infotext, placer_name))
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end
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if not homedecor.expect_infinite_stacks 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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end
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-- Stack one node above another
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-- leave the last argument nil if it's one 2m high node
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function homedecor.stack_vertically(itemstack, placer, pointed_thing, node1, node2)
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local pos, def = select_node(pointed_thing)
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if not def then return end -- rare corner case, but happened in #205
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if def.on_rightclick then
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return def.on_rightclick(pointed_thing.under, minetest.get_node(pos), placer, itemstack)
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end
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local top_pos = { x=pos.x, y=pos.y+1, z=pos.z }
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return stack(itemstack, placer, nil, pos, def, top_pos, node1, node2)
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end
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-- Stack one door node above another
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-- like homedecor.stack_vertically but tests first if it was placed as a right wing, then uses node1_right and node2_right instead
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function homedecor.stack_wing(itemstack, placer, pointed_thing, node1, node2, node1_right, node2_right)
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local pos, def = select_node(pointed_thing)
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if not def then return end -- rare corner case, but happened in #205
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if def.on_rightclick then
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return def.on_rightclick(pointed_thing.under, minetest.get_node(pos), placer, itemstack)
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end
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local forceright = placer:get_player_control()["sneak"]
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local fdir = minetest.dir_to_facedir(placer:get_look_dir())
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local is_right_wing = node1 == minetest.get_node({ x = pos.x + homedecor.fdir_to_left[fdir+1][1], y=pos.y, z = pos.z + homedecor.fdir_to_left[fdir+1][2] }).name
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if forceright or is_right_wing then
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node1, node2 = node1_right, node2_right
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end
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local top_pos = { x=pos.x, y=pos.y+1, z=pos.z }
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return stack(itemstack, placer, fdir, pos, def, top_pos, node1, node2)
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end
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function homedecor.stack_sideways(itemstack, placer, pointed_thing, node1, node2, dir)
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local pos, def = select_node(pointed_thing)
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if not def then return end -- rare corner case, but happened in #205
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if def.on_rightclick then
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return def.on_rightclick(pointed_thing.under, minetest.get_node(pos), placer, itemstack)
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end
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local fdir = minetest.dir_to_facedir(placer:get_look_dir())
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local fdir_transform = dir and homedecor.fdir_to_right or homedecor.fdir_to_fwd
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local pos2 = { x = pos.x + fdir_transform[fdir+1][1], y=pos.y, z = pos.z + fdir_transform[fdir+1][2] }
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return stack(itemstack, placer, fdir, pos, def, pos2, node1, node2)
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end
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function homedecor.bed_expansion(pos, placer, itemstack, pointed_thing, color)
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local thisnode = minetest.get_node(pos)
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local fdir = thisnode.param2
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local fxd = homedecor.fdir_to_fwd[fdir+1][1]
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local fzd = homedecor.fdir_to_fwd[fdir+1][2]
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local forwardpos = {x=pos.x+fxd, y=pos.y, z=pos.z+fzd}
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local forwardnode = minetest.get_node(forwardpos)
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local def = minetest.registered_nodes[forwardnode.name]
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local placer_name = placer:get_player_name()
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if not (def and def.buildable_to) then
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minetest.chat_send_player( placer:get_player_name(), "Not enough room - the space for the headboard is occupied!" )
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minetest.set_node(pos, {name = "air"})
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return true
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end
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if minetest.is_protected(forwardpos, placer_name) then
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minetest.chat_send_player( placer:get_player_name(), "Someone already owns the spot where the headboard goes." )
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return true
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end
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minetest.set_node(forwardpos, {name = "air"})
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local lxd = homedecor.fdir_to_left[fdir+1][1]
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local lzd = homedecor.fdir_to_left[fdir+1][2]
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local leftpos = {x=pos.x+lxd, y=pos.y, z=pos.z+lzd}
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local leftnode = minetest.get_node(leftpos)
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local rxd = homedecor.fdir_to_right[fdir+1][1]
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local rzd = homedecor.fdir_to_right[fdir+1][2]
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local rightpos = {x=pos.x+rxd, y=pos.y, z=pos.z+rzd}
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local rightnode = minetest.get_node(rightpos)
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if leftnode.name == "homedecor:bed_"..color.."_regular" then
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local newname = string.gsub(thisnode.name, "_regular", "_kingsize")
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minetest.set_node(pos, {name = "air"})
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minetest.set_node(leftpos, { name = newname, param2 = fdir})
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elseif rightnode.name == "homedecor:bed_"..color.."_regular" then
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local newname = string.gsub(thisnode.name, "_regular", "_kingsize")
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minetest.set_node(rightpos, {name = "air"})
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minetest.set_node(pos, { name = newname, param2 = fdir})
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end
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local topnode = minetest.get_node({x=pos.x, y=pos.y+1.0, z=pos.z})
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local bottomnode = minetest.get_node({x=pos.x, y=pos.y-1.0, z=pos.z})
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if string.find(topnode.name, "homedecor:bed_.*_regular$") then
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if fdir == topnode.param2 then
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local newname = string.gsub(thisnode.name, "_regular", "_extended")
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minetest.set_node(pos, { name = newname, param2 = fdir})
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end
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end
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if string.find(bottomnode.name, "homedecor:bed_.*_regular$") then
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if fdir == bottomnode.param2 then
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local newname = string.gsub(bottomnode.name, "_regular", "_extended")
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minetest.set_node({x=pos.x, y=pos.y-1.0, z=pos.z}, { name = newname, param2 = fdir})
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end
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end
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end
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function homedecor.unextend_bed(pos, color)
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local bottomnode = minetest.get_node({x=pos.x, y=pos.y-1.0, z=pos.z})
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local fdir = bottomnode.param2
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if string.find(bottomnode.name, "homedecor:bed_.*_extended$") then
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local newname = string.gsub(bottomnode.name, "_extended", "_regular")
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minetest.set_node({x=pos.x, y=pos.y-1.0, z=pos.z}, { name = newname, param2 = fdir})
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end
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end
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function homedecor.place_banister(itemstack, placer, pointed_thing)
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local pos, def = select_node(pointed_thing)
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if def.on_rightclick then
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return def.on_rightclick(pointed_thing.under, minetest.get_node(pos), placer, itemstack)
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end
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local fdir = minetest.dir_to_facedir(placer:get_look_dir())
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local abovepos = { x=pos.x, y=pos.y+1, z=pos.z }
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local abovenode = minetest.get_node(abovepos)
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local adef = minetest.registered_nodes[abovenode.name]
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local placer_name = placer:get_player_name()
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if not (adef and adef.buildable_to) then
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minetest.chat_send_player(placer_name, "Not enough room - the upper space is occupied!" )
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return
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end
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if minetest.is_protected(abovepos, placer_name) then
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minetest.chat_send_player(placer_name, "Someone already owns that spot." )
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return
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end
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local lxd = homedecor.fdir_to_left[fdir+1][1]
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local lzd = homedecor.fdir_to_left[fdir+1][2]
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local rxd = homedecor.fdir_to_right[fdir+1][1]
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local rzd = homedecor.fdir_to_right[fdir+1][2]
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local fxd = homedecor.fdir_to_fwd[fdir+1][1]
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local fzd = homedecor.fdir_to_fwd[fdir+1][2]
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local below_pos = { x=pos.x, y=pos.y-1, z=pos.z }
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local fwd_pos = { x=pos.x+fxd, y=pos.y, z=pos.z+fzd }
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local left_pos = { x=pos.x+lxd, y=pos.y, z=pos.z+lzd }
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local right_pos = { x=pos.x+rxd, y=pos.y, z=pos.z+rzd }
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local left_fwd_pos = { x=pos.x+lxd+fxd, y=pos.y, z=pos.z+lzd+fzd }
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local right_fwd_pos = { x=pos.x+rxd+fxd, y=pos.y, z=pos.z+rzd+fzd }
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local right_fwd_above_pos = { x=pos.x+rxd+fxd, y=pos.y+1, z=pos.z+rzd+fzd }
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local left_fwd_above_pos = { x=pos.x+lxd+fxd, y=pos.y+1, z=pos.z+lzd+fzd }
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local right_fwd_below_pos = { x=pos.x+rxd+fxd, y=pos.y-1, z=pos.z+rzd+fzd }
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local left_fwd_below_pos = { x=pos.x+lxd+fxd, y=pos.y-1, z=pos.z+lzd+fzd }
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local below_node = minetest.get_node(below_pos)
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local fwd_node = minetest.get_node(fwd_pos)
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local left_node = minetest.get_node(left_pos)
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local right_node = minetest.get_node(right_pos)
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local left_fwd_node = minetest.get_node(left_fwd_pos)
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local right_fwd_node = minetest.get_node(right_fwd_pos)
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local left_below_node = minetest.get_node({x=left_pos.x, y=left_pos.y-1, z=left_pos.z})
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local right_below_node = minetest.get_node({x=right_pos.x, y=right_pos.y-1, z=right_pos.z})
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local right_fwd_above_node = minetest.get_node(right_fwd_above_pos)
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local left_fwd_above_node = minetest.get_node(left_fwd_above_pos)
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local right_fwd_below_node = minetest.get_node(right_fwd_below_pos)
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local left_fwd_below_node = minetest.get_node(left_fwd_below_pos)
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local new_place_name = itemstack:get_name()
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local n = 0
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-- try to place a diagonal one on the side of blocks stacked like stairs
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-- or follow an existing diagonal with another.
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if (left_below_node and string.find(left_below_node.name, "banister_.-_diagonal_right")
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and below_node and is_buildable_to(placer_name, below_pos, nil, below_pos))
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or not is_buildable_to(placer_name, right_fwd_above_pos, nil, right_fwd_above_pos) then
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new_place_name = string.gsub(new_place_name, "_horizontal", "_diagonal_right")
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elseif (right_below_node and string.find(right_below_node.name, "banister_.-_diagonal_left")
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and below_node and is_buildable_to(placer_name, below_pos, nil, below_pos))
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or not is_buildable_to(placer_name, left_fwd_above_pos, nil, left_fwd_above_pos) then
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new_place_name = string.gsub(new_place_name, "_horizontal", "_diagonal_left")
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-- try to follow a diagonal with the corresponding horizontal
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-- from the top of a diagonal...
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elseif left_below_node and string.find(left_below_node.name, "homedecor:banister_.*_diagonal") then
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fdir = left_below_node.param2
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new_place_name = string.gsub(left_below_node.name, "_diagonal_.-$", "_horizontal")
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elseif right_below_node and string.find(right_below_node.name, "homedecor:banister_.*_diagonal") then
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fdir = right_below_node.param2
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new_place_name = string.gsub(right_below_node.name, "_diagonal_.-$", "_horizontal")
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-- try to place a horizontal in-line with the nearest diagonal, at the top
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elseif left_fwd_below_node and string.find(left_fwd_below_node.name, "homedecor:banister_.*_diagonal")
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and is_buildable_to(placer_name, fwd_pos, nil, fwd_pos) then
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fdir = left_fwd_below_node.param2
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pos = fwd_pos
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new_place_name = string.gsub(left_fwd_below_node.name, "_diagonal_.-$", "_horizontal")
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elseif right_fwd_below_node and string.find(right_fwd_below_node.name, "homedecor:banister_.*_diagonal")
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and is_buildable_to(placer_name, fwd_pos, nil, fwd_pos) then
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fdir = right_fwd_below_node.param2
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pos = fwd_pos
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new_place_name = string.gsub(right_fwd_below_node.name, "_diagonal_.-$", "_horizontal")
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-- try to follow a diagonal with a horizontal, at the bottom of the diagonal
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elseif left_node and string.find(left_node.name, "homedecor:banister_.*_diagonal") then
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fdir = left_node.param2
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new_place_name = string.gsub(left_node.name, "_diagonal_.-$", "_horizontal")
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elseif right_node and string.find(right_node.name, "homedecor:banister_.*_diagonal") then
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fdir = right_node.param2
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new_place_name = string.gsub(right_node.name, "_diagonal_.-$", "_horizontal")
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-- try to place a horizontal in-line with the nearest diagonal, at the bottom
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elseif left_fwd_node and string.find(left_fwd_node.name, "homedecor:banister_.*_diagonal")
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and is_buildable_to(placer_name, fwd_pos, nil, fwd_pos) then
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fdir = left_fwd_node.param2
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pos = fwd_pos
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new_place_name = string.gsub(left_fwd_node.name, "_diagonal_.-$", "_horizontal")
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elseif right_fwd_node and string.find(right_fwd_node.name, "homedecor:banister_.*_diagonal")
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and is_buildable_to(placer_name, fwd_pos, nil, fwd_pos) then
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fdir = right_fwd_node.param2
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pos = fwd_pos
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new_place_name = string.gsub(right_fwd_node.name, "_diagonal_.-$", "_horizontal")
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-- try to follow a horizontal with another of the same
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elseif left_node and string.find(left_node.name, "homedecor:banister_.*_horizontal") then
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fdir = left_node.param2
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new_place_name = left_node.name
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elseif right_node and string.find(right_node.name, "homedecor:banister_.*_horizontal") then
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fdir = right_node.param2
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new_place_name = right_node.name
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end
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-- manually invert left-right orientation
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if placer:get_player_control()["sneak"] then
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if string.find(new_place_name, "banister_.*_diagonal") then
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new_place_name = string.gsub(new_place_name, "_left", "_right")
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else
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new_place_name = string.gsub(new_place_name, "_right", "_left")
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end
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end
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minetest.set_node(pos, {name = new_place_name, param2 = fdir})
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itemstack:take_item()
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return itemstack
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end
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