end
end
-function minetest.dir_to_facedir(dir)
- if math.abs(dir.x) > math.abs(dir.z) then
+function minetest.dir_to_facedir(dir, is6d)
+ --account for y if requested
+ if is6d and math.abs(dir.y) > math.abs(dir.x) and math.abs(dir.y) > math.abs(dir.z) then
+
+ --from above
+ if dir.y < 0 then
+ if math.abs(dir.x) > math.abs(dir.z) then
+ if dir.x < 0 then
+ return 19
+ else
+ return 13
+ end
+ else
+ if dir.z < 0 then
+ return 10
+ else
+ return 4
+ end
+ end
+
+ --from below
+ else
+ if math.abs(dir.x) > math.abs(dir.z) then
+ if dir.x < 0 then
+ return 15
+ else
+ return 17
+ end
+ else
+ if dir.z < 0 then
+ return 6
+ else
+ return 8
+ end
+ end
+ end
+
+ --otherwise, place horizontally
+ elseif math.abs(dir.x) > math.abs(dir.z) then
if dir.x < 0 then
return 3
else
end
end
+function minetest.facedir_to_dir(facedir)
+ --a table of possible dirs
+ return ({{x=0, y=0, z=1},
+ {x=1, y=0, z=0},
+ {x=0, y=0, z=-1},
+ {x=-1, y=0, z=0},
+ {x=0, y=-1, z=0},
+ {x=0, y=1, z=0}})
+
+ --indexed into by a table of correlating facedirs
+ [({[0]=1, 2, 3, 4,
+ 5, 4, 6, 2,
+ 6, 2, 5, 4,
+ 1, 5, 3, 6,
+ 1, 6, 3, 5,
+ 1, 4, 3, 2})
+
+ --indexed into by the facedir in question
+ [facedir]]
+end
+
function minetest.dir_to_wallmounted(dir)
if math.abs(dir.y) > math.max(math.abs(dir.x), math.abs(dir.z)) then
if dir.y < 0 then
local drop = ItemStack({name=nodename}):get_definition().drop
if drop == nil then
-- default drop
- return {ItemStack({name=nodename})}
+ return {nodename}
elseif type(drop) == "string" then
-- itemstring drop
- return {ItemStack(drop)}
+ return {drop}
elseif drop.items == nil then
-- drop = {} to disable default drop
return {}
return got_items
end
-function minetest.item_place_node(itemstack, placer, pointed_thing)
+function minetest.item_place_node(itemstack, placer, pointed_thing, param2)
local item = itemstack:peek_item()
local def = itemstack:get_definition()
- if def.type == "node" and pointed_thing.type == "node" then
- local pos = pointed_thing.above
- local oldnode = minetest.env:get_node(pos)
- local olddef = ItemStack({name=oldnode.name}):get_definition()
-
- if not olddef.buildable_to then
- minetest.log("info", placer:get_player_name() .. " tried to place"
- .. " node in invalid position " .. minetest.pos_to_string(pos)
- .. ", replacing " .. oldnode.name)
- return
- end
+ if def.type ~= "node" or pointed_thing.type ~= "node" then
+ return itemstack, false
+ end
+
+ local under = pointed_thing.under
+ local oldnode_under = minetest.get_node_or_nil(under)
+ local above = pointed_thing.above
+ local oldnode_above = minetest.get_node_or_nil(above)
- minetest.log("action", placer:get_player_name() .. " places node "
- .. def.name .. " at " .. minetest.pos_to_string(pos))
-
- local newnode = {name = def.name, param1 = 0, param2 = 0}
-
- -- Calculate direction for wall mounted stuff like torches and signs
- if def.paramtype2 == 'wallmounted' then
- local under = pointed_thing.under
- local above = pointed_thing.above
- local dir = {x = under.x - above.x, y = under.y - above.y, z = under.z - above.z}
- newnode.param2 = minetest.dir_to_wallmounted(dir)
- -- Calculate the direction for furnaces and chests and stuff
- elseif def.paramtype2 == 'facedir' then
- local playerpos = placer:getpos()
- local dir = {x = pos.x - playerpos.x, y = pos.y - playerpos.y, z = pos.z - playerpos.z}
+ if not oldnode_under or not oldnode_above then
+ minetest.log("info", placer:get_player_name() .. " tried to place"
+ .. " node in unloaded position " .. minetest.pos_to_string(above))
+ return itemstack, false
+ end
+
+ local olddef_under = ItemStack({name=oldnode_under.name}):get_definition()
+ olddef_under = olddef_under or minetest.nodedef_default
+ local olddef_above = ItemStack({name=oldnode_above.name}):get_definition()
+ olddef_above = olddef_above or minetest.nodedef_default
+
+ if not olddef_above.buildable_to and not olddef_under.buildable_to then
+ minetest.log("info", placer:get_player_name() .. " tried to place"
+ .. " node in invalid position " .. minetest.pos_to_string(above)
+ .. ", replacing " .. oldnode_above.name)
+ return itemstack, false
+ end
+
+ -- Place above pointed node
+ local place_to = {x = above.x, y = above.y, z = above.z}
+
+ -- If node under is buildable_to, place into it instead (eg. snow)
+ if olddef_under.buildable_to then
+ minetest.log("info", "node under is buildable to")
+ place_to = {x = under.x, y = under.y, z = under.z}
+ end
+
+ minetest.log("action", placer:get_player_name() .. " places node "
+ .. def.name .. " at " .. minetest.pos_to_string(place_to))
+
+ local oldnode = minetest.get_node(place_to)
+ local newnode = {name = def.name, param1 = 0, param2 = param2}
+
+ -- Calculate direction for wall mounted stuff like torches and signs
+ if def.paramtype2 == 'wallmounted' and not param2 then
+ local dir = {
+ x = under.x - above.x,
+ y = under.y - above.y,
+ z = under.z - above.z
+ }
+ newnode.param2 = minetest.dir_to_wallmounted(dir)
+ -- Calculate the direction for furnaces and chests and stuff
+ elseif def.paramtype2 == 'facedir' and not param2 then
+ local placer_pos = placer:getpos()
+ if placer_pos then
+ local dir = {
+ x = above.x - placer_pos.x,
+ y = above.y - placer_pos.y,
+ z = above.z - placer_pos.z
+ }
newnode.param2 = minetest.dir_to_facedir(dir)
minetest.log("action", "facedir: " .. newnode.param2)
end
+ end
+
+ -- Check if the node is attached and if it can be placed there
+ if minetest.get_item_group(def.name, "attached_node") ~= 0 and
+ not check_attached_node(place_to, newnode) then
+ minetest.log("action", "attached node " .. def.name ..
+ " can not be placed at " .. minetest.pos_to_string(place_to))
+ return itemstack, false
+ end
+
+ -- Add node and update
+ minetest.add_node(place_to, newnode)
- -- Add node and update
- minetest.env:add_node(pos, newnode)
+ local take_item = true
- -- Set metadata owner
- if def.metadata_name ~= "" then
- minetest.env:get_meta(pos):set_owner(placer:get_player_name())
+ -- Run callback
+ if def.after_place_node then
+ -- Copy place_to because callback can modify it
+ local place_to_copy = {x=place_to.x, y=place_to.y, z=place_to.z}
+ if def.after_place_node(place_to_copy, placer, itemstack) then
+ take_item = false
end
+ end
- -- Run script hook
- local _, callback
- for _, callback in ipairs(minetest.registered_on_placenodes) do
- callback(pos, newnode, placer)
+ -- Run script hook
+ local _, callback
+ for _, callback in ipairs(minetest.registered_on_placenodes) do
+ -- Copy pos and node because callback can modify them
+ local place_to_copy = {x=place_to.x, y=place_to.y, z=place_to.z}
+ local newnode_copy = {name=newnode.name, param1=newnode.param1, param2=newnode.param2}
+ local oldnode_copy = {name=oldnode.name, param1=oldnode.param1, param2=oldnode.param2}
+ if callback(place_to_copy, newnode_copy, placer, oldnode_copy, itemstack) then
+ take_item = false
end
+ end
+ if take_item then
itemstack:take_item()
end
- return itemstack
+ return itemstack, true
end
function minetest.item_place_object(itemstack, placer, pointed_thing)
local pos = minetest.get_pointed_thing_position(pointed_thing, true)
if pos ~= nil then
local item = itemstack:take_item()
- minetest.env:add_item(pos, item)
+ minetest.add_item(pos, item)
end
return itemstack
end
-function minetest.item_place(itemstack, placer, pointed_thing)
+function minetest.item_place(itemstack, placer, pointed_thing, param2)
+ -- Call on_rightclick if the pointed node defines it
+ if pointed_thing.type == "node" and placer and
+ not placer:get_player_control().sneak then
+ local n = minetest.get_node(pointed_thing.under)
+ local nn = n.name
+ if minetest.registered_nodes[nn] and minetest.registered_nodes[nn].on_rightclick then
+ return minetest.registered_nodes[nn].on_rightclick(pointed_thing.under, n, placer, itemstack) or itemstack, false
+ end
+ end
+
if itemstack:get_definition().type == "node" then
- return minetest.item_place_node(itemstack, placer, pointed_thing)
- else
- return minetest.item_place_object(itemstack, placer, pointed_thing)
+ return minetest.item_place_node(itemstack, placer, pointed_thing, param2)
end
+ return itemstack
end
function minetest.item_drop(itemstack, dropper, pos)
if dropper.get_player_name then
local v = dropper:get_look_dir()
local p = {x=pos.x+v.x, y=pos.y+1.5+v.y, z=pos.z+v.z}
- local obj = minetest.env:add_item(p, itemstack)
- v.x = v.x*2
- v.y = v.y*2 + 1
- v.z = v.z*2
- obj:setvelocity(v)
+ local obj = minetest.add_item(p, itemstack)
+ if obj then
+ v.x = v.x*2
+ v.y = v.y*2 + 1
+ v.z = v.z*2
+ obj:setvelocity(v)
+ end
else
- minetest.env:add_item(pos, itemstack)
+ minetest.add_item(pos, itemstack)
end
- return ""
+ return ItemStack("")
end
function minetest.item_eat(hp_change, replace_with_item)
-- Run script hook
local _, callback
for _, callback in ipairs(minetest.registered_on_punchnodes) do
- callback(pos, node, puncher)
+ -- Copy pos and node because callback can modify them
+ local pos_copy = {x=pos.x, y=pos.y, z=pos.z}
+ local node_copy = {name=node.name, param1=node.param1, param2=node.param2}
+ callback(pos_copy, node_copy, puncher)
end
+end
+function minetest.handle_node_drops(pos, drops, digger)
+ -- Add dropped items to object's inventory
+ if digger:get_inventory() then
+ local _, dropped_item
+ for _, dropped_item in ipairs(drops) do
+ local left = digger:get_inventory():add_item("main", dropped_item)
+ if not left:is_empty() then
+ local p = {
+ x = pos.x + math.random()/2-0.25,
+ y = pos.y + math.random()/2-0.25,
+ z = pos.z + math.random()/2-0.25,
+ }
+ minetest.add_item(p, left)
+ end
+ end
+ end
end
function minetest.node_dig(pos, node, digger)
- minetest.debug("node_dig")
-
local def = ItemStack({name=node.name}):get_definition()
- if not def.diggable then
- minetest.debug("not diggable")
+ -- Check if def ~= 0 because we always want to be able to remove unknown nodes
+ if #def ~= 0 and not def.diggable or (def.can_dig and not def.can_dig(pos,digger)) then
minetest.log("info", digger:get_player_name() .. " tried to dig "
.. node.name .. " which is not diggable "
.. minetest.pos_to_string(pos))
return
end
- local meta = minetest.env:get_meta(pos)
- if meta ~= nil and not meta:get_allow_removal() then
- minetest.debug("dig prevented by metadata")
- minetest.log("info", digger:get_player_name() .. " tried to dig "
- .. node.name .. ", but removal is disabled by metadata "
- .. minetest.pos_to_string(pos))
- return
- end
-
minetest.log('action', digger:get_player_name() .. " digs "
.. node.name .. " at " .. minetest.pos_to_string(pos))
- if not minetest.setting_getbool("creative_mode") then
- local wielded = digger:get_wielded_item()
- local drops = minetest.get_node_drops(node.name, wielded:get_name())
-
+ local wielded = digger:get_wielded_item()
+ local drops = minetest.get_node_drops(node.name, wielded:get_name())
+
+ local wdef = wielded:get_definition()
+ local tp = wielded:get_tool_capabilities()
+ local dp = minetest.get_dig_params(def.groups, tp)
+ if wdef and wdef.after_use then
+ wielded = wdef.after_use(wielded, digger, node, dp) or wielded
+ else
-- Wear out tool
- tp = wielded:get_tool_capabilities()
- dp = minetest.get_dig_params(def.groups, tp)
- wielded:add_wear(dp.wear)
- digger:set_wielded_item(wielded)
-
- -- Add dropped items
- local _, dropped_item
- for _, dropped_item in ipairs(drops) do
- digger:get_inventory():add_item("main", dropped_item)
+ if not minetest.setting_getbool("creative_mode") then
+ wielded:add_wear(dp.wear)
end
end
+ digger:set_wielded_item(wielded)
+
+ -- Handle drops
+ minetest.handle_node_drops(pos, drops, digger)
+
+ local oldmetadata = nil
+ if def.after_dig_node then
+ oldmetadata = minetest.get_meta(pos):to_table()
+ end
-- Remove node and update
- minetest.env:remove_node(pos)
+ minetest.remove_node(pos)
+
+ -- Run callback
+ if def.after_dig_node then
+ -- Copy pos and node because callback can modify them
+ local pos_copy = {x=pos.x, y=pos.y, z=pos.z}
+ local node_copy = {name=node.name, param1=node.param1, param2=node.param2}
+ def.after_dig_node(pos_copy, node_copy, oldmetadata, digger)
+ end
-- Run script hook
local _, callback
for _, callback in ipairs(minetest.registered_on_dignodes) do
- callback(pos, node, digger)
+ -- Copy pos and node because callback can modify them
+ local pos_copy = {x=pos.x, y=pos.y, z=pos.z}
+ local node_copy = {name=node.name, param1=node.param1, param2=node.param2}
+ callback(pos_copy, node_copy, digger)
+ end
+end
+
+-- This is used to allow mods to redefine minetest.item_place and so on
+-- NOTE: This is not the preferred way. Preferred way is to provide enough
+-- callbacks to not require redefining global functions. -celeron55
+local function redef_wrapper(table, name)
+ return function(...)
+ return table[name](...)
end
end
usable = false,
liquids_pointable = false,
tool_capabilities = nil,
+ node_placement_prediction = nil,
-- Interaction callbacks
- on_place = minetest.item_place,
- on_drop = minetest.item_drop,
+ on_place = redef_wrapper(minetest, 'item_place'), -- minetest.item_place
+ on_drop = redef_wrapper(minetest, 'item_drop'), -- minetest.item_drop
on_use = nil,
+ can_dig = nil,
+
+ on_punch = redef_wrapper(minetest, 'node_punch'), -- minetest.node_punch
+ on_rightclick = nil,
+ on_dig = redef_wrapper(minetest, 'node_dig'), -- minetest.node_dig
- on_punch = minetest.node_punch,
- on_dig = minetest.node_dig,
+ on_receive_fields = nil,
+
+ on_metadata_inventory_move = minetest.node_metadata_inventory_move_allow_all,
+ on_metadata_inventory_offer = minetest.node_metadata_inventory_offer_allow_all,
+ on_metadata_inventory_take = minetest.node_metadata_inventory_take_allow_all,
-- Node properties
drawtype = "normal",
visual_scale = 1.0,
- tile_images = {""},
- special_materials = {
- {image="", backface_culling=true},
- {image="", backface_culling=true},
- },
+ -- Don't define these because otherwise the old tile_images and
+ -- special_materials wouldn't be read
+ --tiles ={""},
+ --special_tiles = {
+ -- {name="", backface_culling=true},
+ -- {name="", backface_culling=true},
+ --},
alpha = 255,
post_effect_color = {a=0, r=0, g=0, b=0},
paramtype = "none",
diggable = true,
climbable = false,
buildable_to = false,
- metadata_name = "",
liquidtype = "none",
liquid_alternative_flowing = "",
liquid_alternative_source = "",
liquid_viscosity = 0,
+ drowning = 0,
light_source = 0,
damage_per_second = 0,
selection_box = {type="regular"},
tool_capabilities = nil,
-- Interaction callbacks
- on_place = minetest.item_place,
- on_drop = minetest.item_drop,
+ on_place = redef_wrapper(minetest, 'item_place'), -- minetest.item_place
+ on_drop = redef_wrapper(minetest, 'item_drop'), -- minetest.item_drop
on_use = nil,
}
tool_capabilities = nil,
-- Interaction callbacks
- on_place = minetest.item_place,
- on_drop = minetest.item_drop,
+ on_place = redef_wrapper(minetest, 'item_place'), -- minetest.item_place
+ on_drop = redef_wrapper(minetest, 'item_drop'), -- minetest.item_drop
on_use = nil,
}
tool_capabilities = nil,
-- Interaction callbacks
- on_place = nil,
+ on_place = redef_wrapper(minetest, 'item_place'),
on_drop = nil,
on_use = nil,
}
projects / minetest.git / blobdiff