169 lines
5.0 KiB
Lua
169 lines
5.0 KiB
Lua
-- LUALOCALS < ---------------------------------------------------------
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local ItemStack, ipairs, minetest, nodecore, pairs, type
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= ItemStack, ipairs, minetest, nodecore, pairs, type
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-- LUALOCALS > ---------------------------------------------------------
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local function addgroups(sum, pos)
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local node = minetest.get_node(pos)
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local def = minetest.registered_items[node.name] or {}
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if not def.groups then return end
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for k, v in pairs(def.groups) do
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sum[k] = (sum[k] or 0) + v
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end
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end
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local function craftcheck(recipe, pos, node, data, xx, xz, zx, zz)
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local function rel(x, y, z)
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return {
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x = pos.x + xx * x + zx * z,
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y = pos.y + y,
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z = pos.z + xz * x + zz * z
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}
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end
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data.rel = rel
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data.wield = ItemStack(data.wield or data.crafter and data.crafter:get_wielded_item())
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if recipe.check and not recipe.check(pos, data) then return end
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if recipe.wield and (not data.wield or not nodecore.match(
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{stack = data.wield}, recipe.wield)) then return end
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if recipe.normal then
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if data.pointed.type ~= "node" or
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recipe.normal.y ~= data.pointed.above.y - data.pointed.under.y then return end
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local rx = recipe.normal.x * xx + recipe.normal.z * zx
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if rx ~= data.pointed.above.x - data.pointed.under.x then return end
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local rz = recipe.normal.x * xz + recipe.normal.z * zz
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if rz ~= data.pointed.above.z - data.pointed.under.z then return end
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end
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for _, v in pairs(recipe.nodes) do
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if v ~= recipe.root and v.match then
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local p = rel(v.x, v.y, v.z)
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if not nodecore.match(p, v.match) then return end
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end
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end
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if recipe.touchgroups then
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local sum = {}
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addgroups(sum, rel(1, 0, 0))
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addgroups(sum, rel(-1, 0, 0))
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addgroups(sum, rel(0, 1, 0))
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addgroups(sum, rel(0, -1, 0))
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addgroups(sum, rel(0, 0, 1))
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addgroups(sum, rel(0, 0, -1))
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for k, v in pairs(recipe.touchgroups) do
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local w = sum[k] or 0
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if v > 0 and w < v then return end
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if v <= 0 and w > -v then return end
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end
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end
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local mindur = recipe.duration or 0
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if type(mindur) == "function" then mindur = mindur(recipe, pos, node, data) end
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if recipe.toolgroups then
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if not data.wield then return end
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local dg = data.wield:get_tool_capabilities().groupcaps
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local t
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for gn, lv in pairs(recipe.toolgroups) do
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local gt = dg[gn]
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gt = gt and gt.times
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gt = gt and gt[lv]
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if gt and (not t or t > gt) then t = gt end
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end
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if not t then return end
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mindur = mindur + t
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end
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if mindur > 0 then
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if not data.duration then return end
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local dur = data.duration
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if type(dur) == "function" then dur = dur(pos, data) end
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if not dur or dur < mindur then
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if data.inprogress then data.inprogress(pos, data) end
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return 1
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end
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end
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if data.before then data.before(pos, data) end
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if recipe.before then recipe.before(pos, data) end
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for _, v in ipairs(recipe.nodes) do
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if v.replace then
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local p = rel(v.x, v.y, v.z)
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local r = v.replace
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while type(r) == "function" do
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r = r(p, v)
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end
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if r and type(r) == "string" then
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r = {name = r}
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end
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if v.match.excess then
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local s = nodecore.stack_get(p)
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local x = s:get_count() - (v.match.count or 1)
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if x > 0 then
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s:set_count(x)
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nodecore.item_eject(p, s, 0.001)
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end
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nodecore.stack_set(p, ItemStack(""))
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end
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if r then
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local n = minetest.get_node(p)
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r.param2 = n.param2
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minetest.set_node(p, r)
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nodecore.node_sound(p, "place")
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nodecore.fallcheck(p)
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end
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end
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end
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if recipe.items then
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for _, v in pairs(recipe.items) do
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nodecore.item_eject(rel(v.x or 0, v.y or 0, v.z or 0),
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v.name, v.scatter, v.count, v.velocity)
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end
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end
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if recipe.consumewield then
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nodecore.consume_wield(data.crafter, recipe.consumewield)
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elseif recipe.toolgroups and recipe.toolwear and data.crafter then
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nodecore.wear_wield(data.crafter, recipe.toolgroups, recipe.toolwear)
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end
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if recipe.after then recipe.after(pos, data) end
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if data.after then data.after(pos, data) end
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if nodecore.player_stat_add then
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nodecore.player_stat_add(1, data.crafter, "craft", recipe.label)
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end
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minetest.log((data.crafter and data.crafter:get_player_name() or "unknown")
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.. " completed recipe \"" .. recipe.label .. "\" at " ..
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minetest.pos_to_string(pos) .. " upon " .. node.name)
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return true
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end
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local function tryall(rc, pos, node, data)
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local function go(xx, xz, zx, zz)
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return craftcheck(rc, pos, node, data, xx, xz, zx, zz)
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end
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local r = go(1, 0, 0, 1)
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if r then return r end
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if not rc.norotate then
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r = go(0, -1, 1, 0)
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or go(-1, 0, 0, -1)
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or go(0, 1, -1, 0)
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if r then return r end
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if not rc.nomirror then
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r = go(-1, 0, 0, 1)
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or go(0, 1, 1, 0)
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or go(1, 0, 0, -1)
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or go(0, -1, -1, 0)
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end
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end
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return r
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end
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function nodecore.craft_check(pos, node, data)
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data = data or {}
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node.x = pos.x
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node.y = pos.y
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node.z = pos.z
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data.pos = pos
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data.node = node
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for _, rc in ipairs(nodecore.craft_recipes) do
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if data.action == rc.action
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and nodecore.match(node, rc.root.match) then
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data.recipe = rc
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local r = tryall(rc, pos, node, data)
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if r then return r == true end
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end
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end
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end
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