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/*
Minetest
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/

#include "directiontables.h"

const v3s16 g_6dirs[6] =
{
	// +right, +top, +back
	v3s16( 0, 0, 1), // back
	v3s16( 0, 1, 0), // top
	v3s16( 1, 0, 0), // right
	v3s16( 0, 0,-1), // front
	v3s16( 0,-1, 0), // bottom
	v3s16(-1, 0, 0) // left
};

const v3s16 g_26dirs[26] =
{
	// +right, +top, +back
	v3s16( 0, 0, 1), // back
	v3s16( 0, 1, 0), // top
	v3s16( 1, 0, 0), // right
	v3s16( 0, 0,-1), // front
	v3s16( 0,-1, 0), // bottom
	v3s16(-1, 0, 0), // left
	// 6
	v3s16(-1, 1, 0), // top left
	v3s16( 1, 1, 0), // top right
	v3s16( 0, 1, 1), // top back
	v3s16( 0, 1,-1), // top front
	v3s16(-1, 0, 1), // back left
	v3s16( 1, 0, 1), // back right
	v3s16(-1, 0,-1), // front left
	v3s16( 1, 0,-1), // front right
	v3s16(-1,-1, 0), // bottom left
	v3s16( 1,-1, 0), // bottom right
	v3s16( 0,-1, 1), // bottom back
	v3s16( 0,-1,-1), // bottom front
	// 18
	v3s16(-1, 1, 1), // top back-left
	v3s16( 1, 1, 1), // top back-right
	v3s16(-1, 1,-1), // top front-left
	v3s16( 1, 1,-1), // top front-right
	v3s16(-1,-1, 1), // bottom back-left
	v3s16( 1,-1, 1), // bottom back-right
	v3s16(-1,-1,-1), // bottom front-left
	v3s16( 1,-1,-1), // bottom front-right
	// 26
};

const v3s16 g_27dirs[27] =
{
	// +right, +top, +back
	v3s16( 0, 0, 1), // back
	v3s16( 0, 1, 0), // top
	v3s16( 1, 0, 0), // right
	v3s16( 0, 0,-1), // front
	v3s16( 0,-1, 0), // bottom
	v3s16(-1, 0, 0), // left
	// 6
	v3s16(-1, 1, 0), // top left
	v3s16( 1, 1, 0), // top right
	v3s16( 0, 1, 1), // top back
	v3s16( 0, 1,-1), // top front
	v3s16(-1, 0, 1), // back left
	v3s16( 1, 0, 1), // back right
	v3s16(-1, 0,-1), // front left
	v3s16( 1, 0,-1), // front right
	v3s16(-1,-1, 0), // bottom left
	v3s16( 1,-1, 0), // bottom right
	v3s16( 0,-1, 1), // bottom back
	v3s16( 0,-1,-1), // bottom front
	// 18
	v3s16(-1, 1, 1), // top back-left
	v3s16( 1, 1, 1), // top back-right
	v3s16(-1, 1,-1), // top front-left
	v3s16( 1, 1,-1), // top front-right
	v3s16(-1,-1, 1), // bottom back-left
	v3s16( 1,-1, 1), // bottom back-right
	v3s16(-1,-1,-1), // bottom front-left
	v3s16( 1,-1,-1), // bottom front-right
	// 26
	v3s16(0,0,0),
};

an class="hl kwa">then error("Name " .. name .. " does not follow naming conventions: " .. "contains unallowed characters") end return name end end function core.register_abm(spec) -- Add to core.registered_abms core.registered_abms[#core.registered_abms+1] = spec end function core.register_entity(name, prototype) -- Check name if name == nil then error("Unable to register entity: Name is nil") end name = check_modname_prefix(tostring(name)) prototype.name = name prototype.__index = prototype -- so that it can be used as a metatable -- Add to core.registered_entities core.registered_entities[name] = prototype end function core.register_item(name, itemdef) -- Check name if name == nil then error("Unable to register item: Name is nil") end name = check_modname_prefix(tostring(name)) if forbidden_item_names[name] then error("Unable to register item: Name is forbidden: " .. name) end itemdef.name = name -- Apply defaults and add to registered_* table if itemdef.type == "node" then -- Use the nodebox as selection box if it's not set manually if itemdef.drawtype == "nodebox" and not itemdef.selection_box then itemdef.selection_box = itemdef.node_box elseif itemdef.drawtype == "fencelike" and not itemdef.selection_box then itemdef.selection_box = { type = "fixed", fixed = {-1/8, -1/2, -1/8, 1/8, 1/2, 1/8}, } end setmetatable(itemdef, {__index = core.nodedef_default}) core.registered_nodes[itemdef.name] = itemdef elseif itemdef.type == "craft" then setmetatable(itemdef, {__index = core.craftitemdef_default}) core.registered_craftitems[itemdef.name] = itemdef elseif itemdef.type == "tool" then setmetatable(itemdef, {__index = core.tooldef_default}) core.registered_tools[itemdef.name] = itemdef elseif itemdef.type == "none" then setmetatable(itemdef, {__index = core.noneitemdef_default}) else error("Unable to register item: Type is invalid: " .. dump(itemdef)) end -- Flowing liquid uses param2 if itemdef.type == "node" and itemdef.liquidtype == "flowing" then itemdef.paramtype2 = "flowingliquid" end -- BEGIN Legacy stuff if itemdef.cookresult_itemstring ~= nil and itemdef.cookresult_itemstring ~= "" then core.register_craft({ type="cooking", output=itemdef.cookresult_itemstring, recipe=itemdef.name, cooktime=itemdef.furnace_cooktime }) end if itemdef.furnace_burntime ~= nil and itemdef.furnace_burntime >= 0 then core.register_craft({ type="fuel", recipe=itemdef.name, burntime=itemdef.furnace_burntime }) end -- END Legacy stuff -- Disable all further modifications getmetatable(itemdef).__newindex = {} --core.log("Registering item: " .. itemdef.name) core.registered_items[itemdef.name] = itemdef core.registered_aliases[itemdef.name] = nil register_item_raw(itemdef) end function core.register_node(name, nodedef) nodedef.type = "node" core.register_item(name, nodedef) end function core.register_craftitem(name, craftitemdef) craftitemdef.type = "craft" -- BEGIN Legacy stuff if craftitemdef.inventory_image == nil and craftitemdef.image ~= nil then craftitemdef.inventory_image = craftitemdef.image end -- END Legacy stuff core.register_item(name, craftitemdef) end function core.register_tool(name, tooldef) tooldef.type = "tool" tooldef.stack_max = 1 -- BEGIN Legacy stuff if tooldef.inventory_image == nil and tooldef.image ~= nil then tooldef.inventory_image = tooldef.image end if tooldef.tool_capabilities == nil and (tooldef.full_punch_interval ~= nil or tooldef.basetime ~= nil or tooldef.dt_weight ~= nil or tooldef.dt_crackiness ~= nil or tooldef.dt_crumbliness ~= nil or tooldef.dt_cuttability ~= nil or tooldef.basedurability ~= nil or tooldef.dd_weight ~= nil or tooldef.dd_crackiness ~= nil or tooldef.dd_crumbliness ~= nil or tooldef.dd_cuttability ~= nil) then tooldef.tool_capabilities = { full_punch_interval = tooldef.full_punch_interval, basetime = tooldef.basetime, dt_weight = tooldef.dt_weight, dt_crackiness = tooldef.dt_crackiness, dt_crumbliness = tooldef.dt_crumbliness, dt_cuttability = tooldef.dt_cuttability, basedurability = tooldef.basedurability, dd_weight = tooldef.dd_weight, dd_crackiness = tooldef.dd_crackiness, dd_crumbliness = tooldef.dd_crumbliness, dd_cuttability = tooldef.dd_cuttability, } end -- END Legacy stuff core.register_item(name, tooldef) end function core.register_alias(name, convert_to) if forbidden_item_names[name] then error("Unable to register alias: Name is forbidden: " .. name) end if core.registered_items[name] ~= nil then core.log("WARNING: Not registering alias, item with same name" .. " is already defined: " .. name .. " -> " .. convert_to) else --core.log("Registering alias: " .. name .. " -> " .. convert_to) core.registered_aliases[name] = convert_to register_alias_raw(name, convert_to) end end function core.on_craft(itemstack, player, old_craft_list, craft_inv) for _, func in ipairs(core.registered_on_crafts) do itemstack = func(itemstack, player, old_craft_list, craft_inv) or itemstack end return itemstack end function core.craft_predict(itemstack, player, old_craft_list, craft_inv) for _, func in ipairs(core.registered_craft_predicts) do itemstack = func(itemstack, player, old_craft_list, craft_inv) or itemstack end return itemstack end -- Alias the forbidden item names to "" so they can't be -- created via itemstrings (e.g. /give) local name for name in pairs(forbidden_item_names) do core.registered_aliases[name] = "" register_alias_raw(name, "") end -- Deprecated: -- Aliases for core.register_alias (how ironic...) --core.alias_node = core.register_alias --core.alias_tool = core.register_alias --core.alias_craftitem = core.register_alias -- -- Built-in node definitions. Also defined in C. -- core.register_item(":unknown", { type = "none", description = "Unknown Item", inventory_image = "unknown_item.png", on_place = core.item_place, on_drop = core.item_drop, groups = {not_in_creative_inventory=1}, diggable = true, }) core.register_node(":air", { description = "Air (you hacker you!)", inventory_image = "unknown_node.png", wield_image = "unknown_node.png", drawtype = "airlike", paramtype = "light", sunlight_propagates = true, walkable = false, pointable = false, diggable = false, buildable_to = true, air_equivalent = true, drop = "", groups = {not_in_creative_inventory=1}, }) core.register_node(":ignore", { description = "Ignore (you hacker you!)", inventory_image = "unknown_node.png", wield_image = "unknown_node.png", drawtype = "airlike", paramtype = "none", sunlight_propagates = false, walkable = false, pointable = false, diggable = false, buildable_to = true, -- A way to remove accidentally placed ignores air_equivalent = true, drop = "", groups = {not_in_creative_inventory=1}, }) -- The hand (bare definition) core.register_item(":", { type = "none", groups = {not_in_creative_inventory=1}, }) function core.override_item(name, redefinition) if redefinition.name ~= nil then error("Attempt to redefine name of "..name.." to "..dump(redefinition.name), 2) end if redefinition.type ~= nil then error("Attempt to redefine type of "..name.." to "..dump(redefinition.type), 2) end local item = core.registered_items[name] if not item then error("Attempt to override non-existent item "..name, 2) end for k, v in pairs(redefinition) do rawset(item, k, v) end register_item_raw(item) end function core.run_callbacks(callbacks, mode, ...) assert(type(callbacks) == "table") local cb_len = #callbacks if cb_len == 0 then if mode == 2 or mode == 3 then return true elseif mode == 4 or mode == 5 then return false end end local ret = nil for i = 1, cb_len do local cb_ret = callbacks[i](...) if mode == 0 and i == 1 then ret = cb_ret elseif mode == 1 and i == cb_len then ret = cb_ret elseif mode == 2 then if not cb_ret or i == 1 then ret = cb_ret end elseif mode == 3 then if cb_ret then return cb_ret end ret = cb_ret elseif mode == 4 then if (cb_ret and not ret) or i == 1 then ret = cb_ret end elseif mode == 5 and cb_ret then return cb_ret end end return ret end -- -- Callback registration -- local function make_registration() local t = {} local registerfunc = function(func) table.insert(t, func) end return t, registerfunc end local function make_registration_reverse() local t = {} local registerfunc = function(func) table.insert(t, 1, func) end return t, registerfunc end local function make_registration_wrap(reg_fn_name, clear_fn_name) local list = {} local orig_reg_fn = core[reg_fn_name] core[reg_fn_name] = function(def) local retval = orig_reg_fn(def) if retval ~= nil then if def.name ~= nil then list[def.name] = def else list[retval] = def end end return retval end local orig_clear_fn = core[clear_fn_name] core[clear_fn_name] = function() for k in pairs(list) do list[k] = nil end return orig_clear_fn() end return list end core.registered_on_player_hpchanges = { modifiers = { }, loggers = { } } function core.registered_on_player_hpchange(player, hp_change) local last = false for i = #core.registered_on_player_hpchanges.modifiers, 1, -1 do local func = core.registered_on_player_hpchanges.modifiers[i] hp_change, last = func(player, hp_change) if type(hp_change) ~= "number" then local debuginfo = debug.getinfo(func) error("The register_on_hp_changes function has to return a number at " .. debuginfo.short_src .. " line " .. debuginfo.linedefined) end if last then break end end for i, func in ipairs(core.registered_on_player_hpchanges.loggers) do func(player, hp_change) end return hp_change end function core.register_on_player_hpchange(func, modifier) if modifier then table.insert(core.registered_on_player_hpchanges.modifiers, func) else table.insert(core.registered_on_player_hpchanges.loggers, func) end end core.registered_biomes = make_registration_wrap("register_biome", "clear_registered_biomes") core.registered_ores = make_registration_wrap("register_ore", "clear_registered_ores") core.registered_decorations = make_registration_wrap("register_decoration", "clear_registered_decorations") core.registered_on_chat_messages, core.register_on_chat_message = make_registration() core.registered_globalsteps, core.register_globalstep = make_registration() core.registered_playerevents, core.register_playerevent = make_registration() core.registered_on_shutdown, core.register_on_shutdown = make_registration() core.registered_on_punchnodes, core.register_on_punchnode = make_registration() core.registered_on_placenodes, core.register_on_placenode = make_registration() core.registered_on_dignodes, core.register_on_dignode = make_registration() core.registered_on_generateds, core.register_on_generated = make_registration() core.registered_on_newplayers, core.register_on_newplayer = make_registration() core.registered_on_dieplayers, core.register_on_dieplayer = make_registration() core.registered_on_respawnplayers, core.register_on_respawnplayer = make_registration() core.registered_on_prejoinplayers, core.register_on_prejoinplayer = make_registration() core.registered_on_joinplayers, core.register_on_joinplayer = make_registration() core.registered_on_leaveplayers, core.register_on_leaveplayer = make_registration() core.registered_on_player_receive_fields, core.register_on_player_receive_fields = make_registration_reverse() core.registered_on_cheats, core.register_on_cheat = make_registration() core.registered_on_crafts, core.register_on_craft = make_registration() core.registered_craft_predicts, core.register_craft_predict = make_registration() core.registered_on_protection_violation, core.register_on_protection_violation = make_registration() core.registered_on_item_eats, core.register_on_item_eat = make_registration() core.registered_on_punchplayers, core.register_on_punchplayer = make_registration() -- -- Compatibility for on_mapgen_init() -- core.register_on_mapgen_init = function(func) func(core.get_mapgen_params()) end