337 lines
11 KiB
Lua
337 lines
11 KiB
Lua
-- Core mcl_stairs API
|
|
|
|
-- Wrapper around mintest.pointed_thing_to_face_pos.
|
|
local function get_fpos(placer, pointed_thing)
|
|
local fpos
|
|
-- Workaround: minetest.pointed_thing_to_face_pos crashes in MT 0.4.16 if
|
|
-- pointed_thing.under and pointed_thing.above are equal
|
|
-- FIXME: Remove this when MT got fixed.
|
|
if not vector.equals(pointed_thing.under, pointed_thing.above) then
|
|
-- The happy case: Everything is normal
|
|
local finepos = minetest.pointed_thing_to_face_pos(placer, pointed_thing)
|
|
fpos = finepos.y % 1
|
|
else
|
|
-- Fallback if both above and under are equal
|
|
fpos = 0
|
|
end
|
|
return fpos
|
|
end
|
|
|
|
local function place_slab_normal(itemstack, placer, pointed_thing)
|
|
-- Use pointed node's on_rightclick function first, if present
|
|
local node = minetest.get_node(pointed_thing.under)
|
|
if placer and not placer:get_player_control().sneak then
|
|
if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
|
|
return minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer, itemstack) or itemstack
|
|
end
|
|
end
|
|
|
|
local p0 = pointed_thing.under
|
|
local p1 = pointed_thing.above
|
|
|
|
local placer_pos = placer:getpos()
|
|
|
|
local fpos = get_fpos(placer, pointed_thing)
|
|
|
|
local place = ItemStack(itemstack)
|
|
local origname = itemstack:get_name()
|
|
if p0.y - 1 == p1.y or (fpos > 0 and fpos < 0.5)
|
|
or (fpos < -0.5 and fpos > -0.999999999) then
|
|
place:set_name(origname .. "_top")
|
|
end
|
|
local ret = minetest.item_place(place, placer, pointed_thing, 0)
|
|
ret:set_name(origname)
|
|
return ret
|
|
end
|
|
|
|
local function place_stair(itemstack, placer, pointed_thing)
|
|
-- Use pointed node's on_rightclick function first, if present
|
|
local node = minetest.get_node(pointed_thing.under)
|
|
if placer and not placer:get_player_control().sneak then
|
|
if minetest.registered_nodes[node.name] and minetest.registered_nodes[node.name].on_rightclick then
|
|
return minetest.registered_nodes[node.name].on_rightclick(pointed_thing.under, node, placer, itemstack) or itemstack
|
|
end
|
|
end
|
|
|
|
local p0 = pointed_thing.under
|
|
local p1 = pointed_thing.above
|
|
local param2 = 0
|
|
|
|
local placer_pos = placer:getpos()
|
|
if placer_pos then
|
|
param2 = minetest.dir_to_facedir(vector.subtract(p1, placer_pos))
|
|
end
|
|
|
|
local fpos = get_fpos(placer, pointed_thing)
|
|
|
|
if p0.y - 1 == p1.y or (fpos > 0 and fpos < 0.5)
|
|
or (fpos < -0.5 and fpos > -0.999999999) then
|
|
param2 = param2 + 20
|
|
if param2 == 21 then
|
|
param2 = 23
|
|
elseif param2 == 23 then
|
|
param2 = 21
|
|
end
|
|
end
|
|
return minetest.item_place(itemstack, placer, pointed_thing, param2)
|
|
end
|
|
|
|
-- Register stairs.
|
|
-- Node will be called mcl_stairs:stair_<subname>
|
|
|
|
function mcl_stairs.register_stair(subname, recipeitem, groups, images, description, sounds, hardness, corner_texture_override)
|
|
groups.stair = 1
|
|
groups.building_block = 1
|
|
|
|
if recipeitem then
|
|
if not images then
|
|
images = minetest.registered_items[recipeitem].tiles
|
|
end
|
|
if not groups then
|
|
groups = minetest.registered_items[recipeitem].groups
|
|
end
|
|
if not sounds then
|
|
sounds = minetest.registered_items[recipeitem].sounds
|
|
end
|
|
if not hardness then
|
|
hardness = minetest.registered_items[recipeitem]._mcl_hardness
|
|
end
|
|
end
|
|
|
|
minetest.register_node(":mcl_stairs:stair_" .. subname, {
|
|
description = description,
|
|
_doc_items_longdesc = "Stairs are useful to reach higher places by walking over them; jumping is not required. Placing stairs in a corner pattern will create corner stairs. Stairs placed on the bottom or at the upper half of the side of a block will be placed upside down.",
|
|
drawtype = "mesh",
|
|
mesh = "stairs_stair.obj",
|
|
tiles = images,
|
|
paramtype = "light",
|
|
paramtype2 = "facedir",
|
|
is_ground_content = false,
|
|
groups = groups,
|
|
sounds = sounds,
|
|
selection_box = {
|
|
type = "fixed",
|
|
fixed = {
|
|
{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
|
|
{-0.5, 0, 0, 0.5, 0.5, 0.5},
|
|
},
|
|
},
|
|
collision_box = {
|
|
type = "fixed",
|
|
fixed = {
|
|
{-0.5, -0.5, -0.5, 0.5, 0, 0.5},
|
|
{-0.5, 0, 0, 0.5, 0.5, 0.5},
|
|
},
|
|
},
|
|
on_place = function(itemstack, placer, pointed_thing)
|
|
if pointed_thing.type ~= "node" then
|
|
return itemstack
|
|
end
|
|
|
|
return place_stair(itemstack, placer, pointed_thing)
|
|
end,
|
|
_mcl_hardness = hardness,
|
|
})
|
|
|
|
if recipeitem then
|
|
minetest.register_craft({
|
|
output = 'mcl_stairs:stair_' .. subname .. ' 4',
|
|
recipe = {
|
|
{recipeitem, "", ""},
|
|
{recipeitem, recipeitem, ""},
|
|
{recipeitem, recipeitem, recipeitem},
|
|
},
|
|
})
|
|
|
|
-- Flipped recipe
|
|
minetest.register_craft({
|
|
output = 'mcl_stairs:stair_' .. subname .. ' 4',
|
|
recipe = {
|
|
{"", "", recipeitem},
|
|
{"", recipeitem, recipeitem},
|
|
{recipeitem, recipeitem, recipeitem},
|
|
},
|
|
})
|
|
end
|
|
|
|
mcl_stairs.cornerstair.add("mcl_stairs:stair_"..subname, corner_texture_override)
|
|
end
|
|
|
|
|
|
-- Slab facedir to placement 6d matching table
|
|
local slab_trans_dir = {[0] = 8, 0, 2, 1, 3, 4}
|
|
|
|
-- Register slabs.
|
|
-- Node will be called mcl_stairs:slab_<subname>
|
|
|
|
-- double_description: NEW argument, not supported in Minetest Game
|
|
-- double_description: Description of double slab
|
|
function mcl_stairs.register_slab(subname, recipeitem, groups, images, description, sounds, hardness, double_description)
|
|
local lower_slab = "mcl_stairs:slab_"..subname
|
|
local upper_slab = lower_slab.."_top"
|
|
local double_slab = lower_slab.."_double"
|
|
|
|
if recipeitem then
|
|
if not images then
|
|
images = minetest.registered_items[recipeitem].tiles
|
|
end
|
|
if not groups then
|
|
groups = minetest.registered_items[recipeitem].groups
|
|
end
|
|
if not sounds then
|
|
sounds = minetest.registered_items[recipeitem].sounds
|
|
end
|
|
if not hardness then
|
|
hardness = minetest.registered_items[recipeitem]._mcl_hardness
|
|
end
|
|
end
|
|
|
|
-- Automatically generate double slab description
|
|
if not double_description then
|
|
double_description = string.format("Double %s", description)
|
|
minetest.log("warning", "[stairs] No explicit description for double slab '"..double_slab.."' added. Using auto-generated description.")
|
|
end
|
|
|
|
groups.slab = 1
|
|
groups.building_block = 1
|
|
local longdesc = "Slabs are half as high as their full block counterparts and occupy either the lower or upper part of a block, depending on how it was placed. Slabs can be easily stepped on without needing to jump. When a slab is placed on another slab of the same type, a double slab is created."
|
|
|
|
local slabdef = {
|
|
description = description,
|
|
_doc_items_longdesc = longdesc,
|
|
drawtype = "nodebox",
|
|
tiles = images,
|
|
paramtype = "light",
|
|
-- Facedir intentionally left out (see below)
|
|
is_ground_content = false,
|
|
groups = groups,
|
|
sounds = sounds,
|
|
node_box = {
|
|
type = "fixed",
|
|
fixed = {-0.5, -0.5, -0.5, 0.5, 0, 0.5},
|
|
},
|
|
on_place = function(itemstack, placer, pointed_thing)
|
|
local under = minetest.get_node(pointed_thing.under)
|
|
local wield_item = itemstack:get_name()
|
|
local creative_enabled = minetest.settings:get_bool("creative_mode")
|
|
|
|
-- place slab using under node orientation
|
|
local dir = vector.subtract(pointed_thing.above, pointed_thing.under)
|
|
|
|
local p2 = under.param2
|
|
|
|
-- combine two slabs if possible
|
|
-- Requirements: Same slab material, must be placed on top of lower slab, or on bottom of upper slab
|
|
if (wield_item == under.name or (minetest.registered_nodes[under.name] and wield_item == minetest.registered_nodes[under.name]._mcl_other_slab_half)) and
|
|
not ((dir.y >= 0 and minetest.get_item_group(under.name, "slab_top") == 1) or
|
|
(dir.y <= 0 and minetest.get_item_group(under.name, "slab_top") == 0)) then
|
|
|
|
local player_name = placer:get_player_name()
|
|
if minetest.is_protected(pointed_thing.under, player_name) and not
|
|
minetest.check_player_privs(placer, "protection_bypass") then
|
|
minetest.record_protection_violation(pointed_thing.under,
|
|
player_name)
|
|
return
|
|
end
|
|
local newnode = double_slab
|
|
minetest.set_node(pointed_thing.under, {name = newnode, param2 = p2})
|
|
if not creative_enabled then
|
|
itemstack:take_item()
|
|
end
|
|
return itemstack
|
|
-- No combination possible: Place slab normally
|
|
else
|
|
return place_slab_normal(itemstack, placer, pointed_thing)
|
|
end
|
|
end,
|
|
_mcl_hardness = hardness,
|
|
_mcl_other_slab_half = upper_slab,
|
|
}
|
|
|
|
minetest.register_node(":"..lower_slab, slabdef)
|
|
|
|
-- Register the upper slab.
|
|
-- Using facedir is not an option, as this would rotate the textures as well and would make
|
|
-- e.g. upper sandstone slabs look completely wrong.
|
|
local topdef = table.copy(slabdef)
|
|
topdef.groups.slab = 1
|
|
topdef.groups.slab_top = 1
|
|
topdef.groups.not_in_creative_inventory = 1
|
|
topdef.groups.not_in_craft_guide = 1
|
|
topdef.description = string.format("Upper %s", description)
|
|
topdef._doc_items_create_entry = false
|
|
topdef._doc_items_longdesc = nil
|
|
topdef._doc_items_usagehelp = nil
|
|
topdef.drop = lower_slab
|
|
topdef._mcl_other_slab_half = lower_slab
|
|
topdef.node_box = {
|
|
type = "fixed",
|
|
fixed = {-0.5, 0, -0.5, 0.5, 0.5, 0.5},
|
|
}
|
|
topdef.selection_box = {
|
|
type = "fixed",
|
|
fixed = {-0.5, 0, -0.5, 0.5, 0.5, 0.5},
|
|
}
|
|
minetest.register_node(":"..upper_slab, topdef)
|
|
|
|
|
|
-- Double slab node
|
|
local dgroups = table.copy(groups)
|
|
dgroups.not_in_creative_inventory = 1
|
|
dgroups.not_in_craft_guide = 1
|
|
dgroups.slab = nil
|
|
dgroups.double_slab = 1
|
|
minetest.register_node(":"..double_slab, {
|
|
description = double_description,
|
|
_doc_items_longdesc = "Double slabs are full blocks which are created by placing two slabs of the same kind on each other.",
|
|
tiles = images,
|
|
is_ground_content = false,
|
|
groups = dgroups,
|
|
sounds = sounds,
|
|
drop = lower_slab .. " 2",
|
|
_mcl_hardness = hardness,
|
|
})
|
|
|
|
if recipeitem then
|
|
minetest.register_craft({
|
|
output = lower_slab .. " 6",
|
|
recipe = {
|
|
{recipeitem, recipeitem, recipeitem},
|
|
},
|
|
})
|
|
|
|
end
|
|
|
|
-- Help alias for the upper slab
|
|
if minetest.get_modpath("doc") then
|
|
doc.add_entry_alias("nodes", lower_slab, "nodes", upper_slab)
|
|
end
|
|
end
|
|
|
|
|
|
-- Stair/slab registration function.
|
|
-- Nodes will be called mcl_stairs:{stair,slab}_<subname>
|
|
|
|
function mcl_stairs.register_stair_and_slab(subname, recipeitem,
|
|
groups, images, desc_stair, desc_slab, sounds, hardness,
|
|
double_description)
|
|
mcl_stairs.register_stair(subname, recipeitem, groups, images, desc_stair, sounds, hardness)
|
|
mcl_stairs.register_slab(subname, recipeitem, groups, images, desc_slab, sounds, hardness, double_description)
|
|
end
|
|
|
|
-- Very simple registration function
|
|
-- Makes stair and slab out of a source node
|
|
function mcl_stairs.register_stair_and_slab_simple(subname, sourcenode, desc_stair, desc_slab, desc_double_slab)
|
|
local def = minetest.registered_nodes[sourcenode]
|
|
local groups = {}
|
|
-- Only allow a strict set of groups to be added to stairs and slabs for more predictable results
|
|
local allowed_groups = { "dig_immediate", "handy", "pickaxey", "axey", "shovely", "shearsy", "shearsy_wool", "swordy", "swordy_wool" }
|
|
for a=1, #allowed_groups do
|
|
if def.groups[allowed_groups[a]] then
|
|
groups[allowed_groups[a]] = def.groups[allowed_groups[a]]
|
|
end
|
|
end
|
|
mcl_stairs.register_stair_and_slab(subname, sourcenode, groups, def.tiles, desc_stair, desc_slab, def.sounds, def._mcl_hardness, desc_double_slab)
|
|
end
|
|
|