Fence rail: Only connect to fences. Update map mod README recipe
[oweals/minetest_game.git] / mods / default / functions.lua
index bdc30158cb43991dcfb778e0adbd9778cdf01124..367ded0b2a35d1dc1c9660361dbe40b89ddaa98e 100644 (file)
@@ -1,5 +1,3 @@
--- mods/default/functions.lua
-
 --
 -- Sounds
 --
@@ -117,6 +115,21 @@ function default.node_sound_water_defaults(table)
        return table
 end
 
+function default.node_sound_snow_defaults(table)
+       table = table or {}
+       table.footstep = table.footstep or
+                       {name = "default_snow_footstep", gain = 0.2}
+       table.dig = table.dig or
+                       {name = "default_snow_footstep", gain = 0.3}
+       table.dug = table.dug or
+                       {name = "default_snow_footstep", gain = 0.3}
+       table.place = table.place or
+                       {name = "default_place_node", gain = 1.0}
+       default.node_sound_defaults(table)
+       return table
+end
+
+
 --
 -- Lavacooling
 --
@@ -145,8 +158,9 @@ if minetest.settings:get_bool("enable_lavacooling") ~= false then
        })
 end
 
+
 --
--- optimized helper to put all items in an inventory into a drops list
+-- Optimized helper to put all items in an inventory into a drops list
 --
 
 function default.get_inventory_drops(pos, inventory, drops)
@@ -161,11 +175,12 @@ function default.get_inventory_drops(pos, inventory, drops)
        end
 end
 
+
 --
 -- Papyrus and cactus growing
 --
 
--- wrapping the functions in abm action is necessary to make overriding them possible
+-- Wrapping the functions in ABM action is necessary to make overriding them possible
 
 function default.grow_cactus(pos, node)
        if node.param2 >= 4 then
@@ -242,7 +257,7 @@ minetest.register_abm({
 
 
 --
--- dig upwards
+-- Dig upwards
 --
 
 function default.dig_up(pos, node, digger)
@@ -288,7 +303,7 @@ function default.register_fence(name, def)
                        connect_right = {{1/8,3/16,-1/16,1/2,5/16,1/16},
                                {1/8,-5/16,-1/16,1/2,-3/16,1/16}},
                },
-               connects_to = {"group:fence", "group:wood", "group:tree"},
+               connects_to = {"group:fence", "group:wood", "group:tree", "group:wall"},
                inventory_image = fence_texture,
                wield_image = fence_texture,
                tiles = {def.texture},
@@ -297,7 +312,72 @@ function default.register_fence(name, def)
                groups = {},
        }
        for k, v in pairs(default_fields) do
-               if not def[k] then
+               if def[k] == nil then
+                       def[k] = v
+               end
+       end
+
+       -- Always add to the fence group, even if no group provided
+       def.groups.fence = 1
+
+       def.texture = nil
+       def.material = nil
+
+       minetest.register_node(name, def)
+end
+
+
+--
+-- Fence rail registration helper
+--
+
+function default.register_fence_rail(name, def)
+       minetest.register_craft({
+               output = name .. " 16",
+               recipe = {
+                       { def.material, def.material },
+                       { "", ""},
+                       { def.material, def.material },
+               }
+       })
+
+       local fence_rail_texture = "default_fence_rail_overlay.png^" .. def.texture ..
+                       "^default_fence_rail_overlay.png^[makealpha:255,126,126"
+       -- Allow almost everything to be overridden
+       local default_fields = {
+               paramtype = "light",
+               drawtype = "nodebox",
+               node_box = {
+                       type = "connected",
+                       fixed = {
+                               {-1/16,  3/16, -1/16, 1/16,  5/16, 1/16},
+                               {-1/16, -3/16, -1/16, 1/16, -5/16, 1/16}
+                       },
+                       -- connect_top =
+                       -- connect_bottom =
+                       connect_front = {
+                               {-1/16,  3/16, -1/2, 1/16,  5/16, -1/16},
+                               {-1/16, -5/16, -1/2, 1/16, -3/16, -1/16}},
+                       connect_left = {
+                               {-1/2,  3/16, -1/16, -1/16,  5/16, 1/16},
+                               {-1/2, -5/16, -1/16, -1/16, -3/16, 1/16}},
+                       connect_back = {
+                               {-1/16,  3/16, 1/16, 1/16,  5/16, 1/2},
+                               {-1/16, -5/16, 1/16, 1/16, -3/16, 1/2}},
+                       connect_right = {
+                               {1/16,  3/16, -1/16, 1/2,  5/16, 1/16},
+                               {1/16, -5/16, -1/16, 1/2, -3/16, 1/16}},
+               },
+               connects_to = {"group:fence"},
+               inventory_image = fence_rail_texture,
+               wield_image = fence_rail_texture,
+               tiles = {def.texture},
+               sunlight_propagates = true,
+               is_ground_content = false,
+               groups = {},
+       }
+       for k, v in pairs(default_fields) do
+               if def[k] == nil then
                        def[k] = v
                end
        end
@@ -319,7 +399,7 @@ end
 -- Prevent decay of placed leaves
 
 default.after_place_leaves = function(pos, placer, itemstack, pointed_thing)
-       if placer and not placer:get_player_control().sneak then
+       if placer and placer:is_player() and not placer:get_player_control().sneak then
                local node = minetest.get_node(pos)
                node.param2 = 1
                minetest.set_node(pos, node)
@@ -386,6 +466,7 @@ function default.register_leafdecay(def)
        end
 end
 
+
 --
 -- Convert dirt to something that fits the environment
 --
@@ -482,63 +563,7 @@ minetest.register_abm({
 
 
 --
--- Checks if specified volume intersects a protected volume
---
-
-function default.intersects_protection(minp, maxp, player_name, interval)
-       -- 'interval' is the largest allowed interval for the 3D lattice of checks
-
-       -- Compute the optimal float step 'd' for each axis so that all corners and
-       -- borders are checked. 'd' will be smaller or equal to 'interval'.
-       -- Subtracting 1e-4 ensures that the max co-ordinate will be reached by the
-       -- for loop (which might otherwise not be the case due to rounding errors).
-       local d = {}
-       for _, c in pairs({"x", "y", "z"}) do
-               if maxp[c] > minp[c] then
-                       d[c] = (maxp[c] - minp[c]) / math.ceil((maxp[c] - minp[c]) / interval) - 1e-4
-               elseif maxp[c] == minp[c] then
-                       d[c] = 1 -- Any value larger than 0 to avoid division by zero
-               else -- maxp[c] < minp[c], print error and treat as protection intersected
-                       minetest.log("error", "maxp < minp in 'default.intersects_protection()'")
-                       return true
-               end
-       end
-
-       for zf = minp.z, maxp.z, d.z do
-               local z = math.floor(zf + 0.5)
-               for yf = minp.y, maxp.y, d.y do
-                       local y = math.floor(yf + 0.5)
-                       for xf = minp.x, maxp.x, d.x do
-                               local x = math.floor(xf + 0.5)
-                               if minetest.is_protected({x = x, y = y, z = z}, player_name) then
-                                       return true
-                               end
-                       end
-               end
-       end
-
-       return false
-end
-
-
---
--- Coral death near air
---
-
-minetest.register_abm({
-       nodenames = {"default:coral_brown", "default:coral_orange"},
-       neighbors = {"air"},
-       interval = 17,
-       chance = 5,
-       catch_up = false,
-       action = function(pos, node)
-               minetest.set_node(pos, {name = "default:coral_skeleton"})
-       end,
-})
-
-
---
--- NOTICE: This method is not an official part of the API yet!
+-- NOTICE: This method is not an official part of the API yet.
 -- This method may change in future.
 --
 
@@ -558,7 +583,7 @@ function default.can_interact_with_node(player, pos)
                return true
        end
 
-       -- is player wielding the right key?
+       -- Is player wielding the right key?
        local item = player:get_wielded_item()
        if item:get_name() == "default:key" then
                local key_meta = item:get_meta()