subterrane/nodes.lua

118 lines
3.7 KiB
Lua

local x_disp = 0.125
local z_disp = 0.125
local stal_on_place = function(itemstack, placer, pointed_thing, itemname)
local pt = pointed_thing
-- check if pointing at a node
if not pt then
return itemstack
end
if pt.type ~= "node" then
return itemstack
end
local under = minetest.get_node(pt.under)
local above = minetest.get_node(pt.above)
if minetest.is_protected(pt.above, placer:get_player_name()) then
minetest.record_protection_violation(pt.above, placer:get_player_name())
return
end
-- return if any of the nodes is not registered
if not minetest.registered_nodes[under.name] or not minetest.registered_nodes[above.name] then
return itemstack
end
-- check if you can replace the node above the pointed node
if not minetest.registered_nodes[above.name].buildable_to then
return itemstack
end
local new_param2
-- check if pointing at an existing stalactite
if minetest.get_item_group(under.name, "subterrane_stal_align") ~= 0 then
new_param2 = under.param2
else
new_param2 = math.random(0,3)
end
-- add the node and remove 1 item from the itemstack
minetest.add_node(pt.above, {name = itemname, param2 = new_param2})
if not minetest.setting_getbool("creative_mode") then
itemstack:take_item()
end
return itemstack
end
local stal_box_1 = {{-0.0625+x_disp, -0.5, -0.0625+z_disp, 0.0625+x_disp, 0.5, 0.0625+z_disp}}
local stal_box_2 = {{-0.125+x_disp, -0.5, -0.125+z_disp, 0.125+x_disp, 0.5, 0.125+z_disp}}
local stal_box_3 = {{-0.25+x_disp, -0.5, -0.25+z_disp, 0.25+x_disp, 0.5, 0.25+z_disp}}
local stal_box_4 = {{-0.375+x_disp, -0.5, -0.375+z_disp, 0.375+x_disp, 0.5, 0.375+z_disp}}
local simple_copy = function(t)
local r = {}
for k, v in pairs(t) do
r[k] = v
end
return r
end
subterrane.register_stalagmite_nodes = function(base_name, base_node_def, drop_base_name)
base_node_def.groups = base_node_def.groups or {}
base_node_def.groups.subterrane_stal_align = 1
base_node_def.groups.flow_through = 1
base_node_def.drawtype = "nodebox"
base_node_def.paramtype = "light"
base_node_def.paramtype2 = "facedir"
base_node_def.is_ground_content = true
base_node_def.node_box = {type = "fixed"}
local def1 = simple_copy(base_node_def)
def1.groups.fall_damage_add_percent = 100
def1.node_box.fixed = stal_box_1
def1.on_place = function(itemstack, placer, pointed_thing)
return stal_on_place(itemstack, placer, pointed_thing, base_name.."_1")
end
if drop_base_name then
def1.drop = drop_base_name.."_1"
end
minetest.register_node(base_name.."_1", def1)
local def2 = simple_copy(base_node_def)
def2.groups.fall_damage_add_percent = 50
def2.node_box.fixed = stal_box_2
def2.on_place = function(itemstack, placer, pointed_thing)
return stal_on_place(itemstack, placer, pointed_thing, base_name.."_2")
end
if drop_base_name then
def2.drop = drop_base_name.."_2"
end
minetest.register_node(base_name.."_2", def2)
local def3 = simple_copy(base_node_def)
def3.node_box.fixed = stal_box_3
def3.on_place = function(itemstack, placer, pointed_thing)
return stal_on_place(itemstack, placer, pointed_thing, base_name.."_3")
end
if drop_base_name then
def3.drop = drop_base_name.."_3"
end
minetest.register_node(base_name.."_3", def3)
local def4 = simple_copy(base_node_def)
def4.node_box.fixed = stal_box_4
def4.on_place = function(itemstack, placer, pointed_thing)
return stal_on_place(itemstack, placer, pointed_thing, base_name.."_4")
end
if drop_base_name then
def4.drop = drop_base_name.."_4"
end
minetest.register_node(base_name.."_4", def4)
return {
minetest.get_content_id(base_name.."_1"),
minetest.get_content_id(base_name.."_2"),
minetest.get_content_id(base_name.."_3"),
minetest.get_content_id(base_name.."_4"),
}
end