]> git.lizzy.rs Git - minetest.git/blobdiff - builtin/game/item.lua
Save metainfo for falling nodes
[minetest.git] / builtin / game / item.lua
index d16601d30947c7b776e8fa13577f9f1e382045ec..7048dded17402278994dce74f98760c74827cd29 100644 (file)
@@ -1,5 +1,7 @@
 -- Minetest: builtin/item.lua
 
+local builtin_shared = ...
+
 local function copy_pointed_thing(pointed_thing)
        return {
                type  = pointed_thing.type,
@@ -88,25 +90,26 @@ function core.dir_to_facedir(dir, is6d)
        end
 end
 
+-- Table of possible dirs
+local facedir_to_dir = {
+       {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},
+}
+-- Mapping from facedir value to index in facedir_to_dir.
+local facedir_to_dir_map = {
+       [0]=1, 2, 3, 4,
+       5, 2, 6, 4,
+       6, 2, 5, 4,
+       1, 5, 3, 6,
+       1, 6, 3, 5,
+       1, 4, 3, 2,
+}
 function core.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, 2, 6, 4,
-                                               6, 2, 5, 4,
-                                               1, 5, 3, 6,
-                                               1, 6, 3, 5,
-                                               1, 4, 3, 2})
-
-                                               --indexed into by the facedir in question
-                                               [facedir]]
+       return facedir_to_dir[facedir_to_dir_map[facedir % 32]]
 end
 
 function core.dir_to_wallmounted(dir)
@@ -131,21 +134,30 @@ function core.dir_to_wallmounted(dir)
        end
 end
 
+-- table of dirs in wallmounted order
+local wallmounted_to_dir = {
+       [0] = {x = 0, y = 1, z = 0},
+       {x =  0, y = -1, z =  0},
+       {x =  1, y =  0, z =  0},
+       {x = -1, y =  0, z =  0},
+       {x =  0, y =  0, z =  1},
+       {x =  0, y =  0, z = -1},
+}
 function core.wallmounted_to_dir(wallmounted)
-       -- table of dirs in wallmounted order
-       return ({[0] = {x = 0, y = 1, z = 0},
-               {x = 0,  y = -1, z = 0},
-               {x = 1,  y = 0,  z = 0},
-               {x = -1, y = 0,  z = 0},
-               {x = 0,  y = 0,  z = 1},
-               {x = 0,  y = 0,  z = -1}})
-
-               --indexed into by the wallmounted in question
-               [wallmounted]
+       return wallmounted_to_dir[wallmounted % 8]
+end
+
+function core.dir_to_yaw(dir)
+       return -math.atan2(dir.x, dir.z)
+end
+
+function core.yaw_to_dir(yaw)
+       return {x = -math.sin(yaw), y = 0, z = math.cos(yaw)}
 end
 
 function core.get_node_drops(nodename, toolname)
-       local drop = ItemStack({name=nodename}):get_definition().drop
+       local def = core.registered_nodes[nodename]
+       local drop = def and def.drop
        if drop == nil then
                -- default drop
                return {nodename}
@@ -194,7 +206,6 @@ function core.get_node_drops(nodename, toolname)
 end
 
 function core.item_place_node(itemstack, placer, pointed_thing, param2)
-       local item = itemstack:peek_item()
        local def = itemstack:get_definition()
        if def.type ~= "node" or pointed_thing.type ~= "node" then
                return itemstack, false
@@ -204,20 +215,21 @@ function core.item_place_node(itemstack, placer, pointed_thing, param2)
        local oldnode_under = core.get_node_or_nil(under)
        local above = pointed_thing.above
        local oldnode_above = core.get_node_or_nil(above)
+       local playername = placer:get_player_name()
 
        if not oldnode_under or not oldnode_above then
-               core.log("info", placer:get_player_name() .. " tried to place"
+               core.log("info", playername .. " tried to place"
                        .. " node in unloaded position " .. core.pos_to_string(above))
                return itemstack, false
        end
 
-       local olddef_under = ItemStack({name=oldnode_under.name}):get_definition()
+       local olddef_under = core.registered_nodes[oldnode_under.name]
        olddef_under = olddef_under or core.nodedef_default
-       local olddef_above = ItemStack({name=oldnode_above.name}):get_definition()
+       local olddef_above = core.registered_nodes[oldnode_above.name]
        olddef_above = olddef_above or core.nodedef_default
 
        if not olddef_above.buildable_to and not olddef_under.buildable_to then
-               core.log("info", placer:get_player_name() .. " tried to place"
+               core.log("info", playername .. " tried to place"
                        .. " node in invalid position " .. core.pos_to_string(above)
                        .. ", replacing " .. oldnode_above.name)
                return itemstack, false
@@ -232,23 +244,27 @@ function core.item_place_node(itemstack, placer, pointed_thing, param2)
                place_to = {x = under.x, y = under.y, z = under.z}
        end
 
-       if core.is_protected(place_to, placer:get_player_name()) then
-               core.log("action", placer:get_player_name()
+       if core.is_protected(place_to, playername) and
+                       not minetest.check_player_privs(placer, "protection_bypass") then
+               core.log("action", playername
                                .. " tried to place " .. def.name
                                .. " at protected position "
                                .. core.pos_to_string(place_to))
-               core.record_protection_violation(place_to, placer:get_player_name())
+               core.record_protection_violation(place_to, playername)
                return itemstack
        end
 
-       core.log("action", placer:get_player_name() .. " places node "
+       core.log("action", playername .. " places node "
                .. def.name .. " at " .. core.pos_to_string(place_to))
 
        local oldnode = core.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
+       if def.place_param2 ~= nil then
+               newnode.param2 = def.place_param2
+       elseif (def.paramtype2 == "wallmounted" or
+                       def.paramtype2 == "colorwallmounted") and not param2 then
                local dir = {
                        x = under.x - above.x,
                        y = under.y - above.y,
@@ -256,7 +272,8 @@ function core.item_place_node(itemstack, placer, pointed_thing, param2)
                }
                newnode.param2 = core.dir_to_wallmounted(dir)
        -- Calculate the direction for furnaces and chests and stuff
-       elseif def.paramtype2 == 'facedir' and not param2 then
+       elseif (def.paramtype2 == "facedir" or
+                       def.paramtype2 == "colorfacedir") and not param2 then
                local placer_pos = placer:getpos()
                if placer_pos then
                        local dir = {
@@ -271,7 +288,7 @@ function core.item_place_node(itemstack, placer, pointed_thing, param2)
 
        -- Check if the node is attached and if it can be placed there
        if core.get_item_group(def.name, "attached_node") ~= 0 and
-               not check_attached_node(place_to, newnode) then
+               not builtin_shared.check_attached_node(place_to, newnode) then
                core.log("action", "attached node " .. def.name ..
                        " can not be placed at " .. core.pos_to_string(place_to))
                return itemstack, false
@@ -294,7 +311,6 @@ function core.item_place_node(itemstack, placer, pointed_thing, param2)
        end
 
        -- Run script hook
-       local _, callback
        for _, callback in ipairs(core.registered_on_placenodes) do
                -- Deepcopy pos, node and pointed_thing because callback can modify them
                local place_to_copy = {x=place_to.x, y=place_to.y, z=place_to.z}
@@ -435,15 +451,17 @@ function core.handle_node_drops(pos, drops, digger)
 end
 
 function core.node_dig(pos, node, digger)
-       local def = ItemStack({name=node.name}):get_definition()
-       if not def.diggable or (def.can_dig and not def.can_dig(pos,digger)) then
+       local def = core.registered_nodes[node.name]
+       if def and (not def.diggable or
+                       (def.can_dig and not def.can_dig(pos, digger))) then
                core.log("info", digger:get_player_name() .. " tried to dig "
                        .. node.name .. " which is not diggable "
                        .. core.pos_to_string(pos))
                return
        end
 
-       if core.is_protected(pos, digger:get_player_name()) then
+       if core.is_protected(pos, digger:get_player_name()) and
+                       not minetest.check_player_privs(digger, "protection_bypass") then
                core.log("action", digger:get_player_name()
                                .. " tried to dig " .. node.name
                                .. " at protected position "
@@ -460,13 +478,16 @@ function core.node_dig(pos, node, digger)
 
        local wdef = wielded:get_definition()
        local tp = wielded:get_tool_capabilities()
-       local dp = core.get_dig_params(def.groups, tp)
+       local dp = core.get_dig_params(def and def.groups, tp)
        if wdef and wdef.after_use then
                wielded = wdef.after_use(wielded, digger, node, dp) or wielded
        else
                -- Wear out tool
                if not core.setting_getbool("creative_mode") then
                        wielded:add_wear(dp.wear)
+                       if wielded:get_count() == 0 and wdef.sound and wdef.sound.breaks then
+                               core.sound_play(wdef.sound.breaks, {pos = pos, gain = 0.5})
+                       end
                end
        end
        digger:set_wielded_item(wielded)
@@ -574,6 +595,7 @@ core.nodedef_default = {
        diggable = true,
        climbable = false,
        buildable_to = false,
+       floodable = false,
        liquidtype = "none",
        liquid_alternative_flowing = "",
        liquid_alternative_source = "",