mtcontrib/homedecor_modpack
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rewrite the node stacking/expansion code, preventing a crash building on unknown nodes, and reduce table lookups and overall code

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Tim
2015-01-22 15:19:50 +01:00
committed by Vanessa Ezekowitz
parent b4b281d9ea
commit 0a0c558c3a
4 changed files with 88 additions and 177 deletions
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113
homedecor/init.lua
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@ -57,8 +57,6 @@ function homedecor.table_copy(t)
return nt
end
--
function homedecor.get_nodedef_field(nodename, fieldname)
if not minetest.registered_nodes[nodename] then
return nil
@ -66,114 +64,6 @@ function homedecor.get_nodedef_field(nodename, fieldname)
return minetest.registered_nodes[nodename][fieldname]
end
-- Place a two-node-tall single object (e.g. a floor lamp)
function homedecor.place_twonode_vertical(itemstack, placer, pointed_thing, node)
local pos = pointed_thing.under
local pnode = minetest.get_node(pointed_thing.under)
local rnodedef = minetest.registered_nodes[pnode.name]
if not rnodedef["buildable_to"] then
pos = pointed_thing.above
end
local fdir = minetest.dir_to_facedir(placer:get_look_dir())
local pos2 = { x = pos.x, y=pos.y + 1, z = pos.z }
local tnode = minetest.get_node(pos)
local tnode2 = minetest.get_node(pos2)
if homedecor.get_nodedef_field(tnode.name, "buildable_to")
and homedecor.get_nodedef_field(tnode2.name, "buildable_to")
and not minetest.is_protected(pos, placer:get_player_name())
and not minetest.is_protected(pos2, placer:get_player_name()) then
minetest.add_node(pos, { name = node, param2 = fdir })
if not homedecor.expect_infinite_stacks then
itemstack:take_item()
return itemstack
end
end
end
-- Stack one node above another
function homedecor.stack_vertically(itemstack, placer, pointed_thing, node1, node2)
local pos = pointed_thing.under
local pnode = minetest.get_node(pointed_thing.under)
local rnodedef = minetest.registered_nodes[pnode.name]
if not rnodedef["buildable_to"] then
pos = pointed_thing.above
end
local fdir = minetest.dir_to_facedir(placer:get_look_dir())
local pos2 = { x = pos.x, y=pos.y + 1, z = pos.z }
local tnode = minetest.get_node(pos)
local tnode2 = minetest.get_node(pos2)
if homedecor.get_nodedef_field(tnode.name, "buildable_to")
and homedecor.get_nodedef_field(tnode2.name, "buildable_to")
and not minetest.is_protected(pos, placer:get_player_name())
and not minetest.is_protected(pos2, placer:get_player_name()) then
minetest.add_node(pos, { name = node1, param2 = fdir })
minetest.add_node(pos2, { name = node2, param2 = fdir })
if not homedecor.expect_infinite_stacks then
itemstack:take_item()
return itemstack
end
end
end
-- Place one node right of or behind another
homedecor.fdir_to_right = {
{ 1, 0 },
{ 0, -1 },
{ -1, 0 },
{ 0, 1 },
}
homedecor.fdir_to_fwd = {
{ 0, 1 },
{ 1, 0 },
{ 0, -1 },
{ -1, 0 },
}
function homedecor.stack_sideways(itemstack, placer, pointed_thing, node1, node2, dir)
local pos = pointed_thing.under
local pnode = minetest.get_node(pointed_thing.under)
local rnodedef = minetest.registered_nodes[pnode.name]
if not rnodedef["buildable_to"] then
pos = pointed_thing.above
end
local fdir = minetest.dir_to_facedir(placer:get_look_dir())
local pos2
if dir then
pos2 = { x = pos.x + homedecor.fdir_to_right[fdir+1][1], y=pos.y, z = pos.z + homedecor.fdir_to_right[fdir+1][2] }
else
pos2 = { x = pos.x + homedecor.fdir_to_fwd[fdir+1][1], y=pos.y, z = pos.z + homedecor.fdir_to_fwd[fdir+1][2] }
end
local tnode = minetest.get_node(pos)
local tnode2 = minetest.get_node(pos2)
if homedecor.get_nodedef_field(tnode.name, "buildable_to")
and homedecor.get_nodedef_field(tnode2.name, "buildable_to")
and not minetest.is_protected(pos, placer:get_player_name())
and not minetest.is_protected(pos2, placer:get_player_name()) then
minetest.add_node(pos, { name = node1, param2 = fdir })
minetest.add_node(pos2, { name = node2, param2 = fdir })
if not homedecor.expect_infinite_stacks then
itemstack:take_item()
return itemstack
end
end
end
-- Determine if the item being pointed at is the underside of a node (e.g a ceiling)
function homedecor.find_ceiling(itemstack, placer, pointed_thing)
@ -222,6 +112,9 @@ function homedecor.find_ceiling(itemstack, placer, pointed_thing)
return isceiling, pos
end
-- expand and unexpand decor
dofile(homedecor.modpath.."/expansion.lua")
-- glue it all together into a registration function
dofile(homedecor.modpath.."/registration_handler.lua")
-- load various other components