Add recipe indexing to towns

mods/rgt_towns/rgt_towns_core/init.lua

@@ -1,5 +1,6 @@
 rgt_towns = {
     plots = {},
+    recipes = {},
     spawners = {}
 }
 local ns = rgt_towns
@@ -98,5 +99,13 @@ function ns.register_plot(def)
         end
         def.constructors = out
     end
+    if def.recipe then
+        local idx = {}
+        for i, x in ipairs(def.recipe) do
+            def.recipe[i] = ItemStack(x)
+            idx[#idx +1] = def.recipe[i]:get_name().." "..def.recipe[i]:get_count()
+        end
+        ns.recipes[table.concat(idx, "|")] = def.name
+    end
     ns.plots[def.name] = def
 end

mods/rgt_towns/rgt_towns_core/items.lua

@@ -59,16 +59,26 @@ minetest.register_craftitem(":rgt_towns:spawner", {
               -Z
 ]]
 
-function ns.check_recipe(inv, plot)
+function ns.inv_to_string(inv)
+    local out = {}
+    for _, x in ipairs(inv:get_list("main")) do
+        -- Only check against name and count; metadata doesn't really matter.
+        out[#out +1] = x:get_name().." "..x:get_count()
+    end
+    return table.concat(out, "|")
+end
+
+function ns.check_recipe(inv)
+    local plot = ns.recipes[ns.inv_to_string(inv)]
     local recipe = ns.plots[plot].recipe
     print(dump(recipe))
     for i = 1, 9 do
-        print("Evaluating: "..inv:get_stack("main", i):to_string().." vs. "..ItemStack(recipe[i]):to_string())
+        print("Evaluating: "..inv:get_stack("main", i):to_string().." vs. "..recipe[i]:to_string())
-        if inv:get_stack("main", i) ~= ItemStack(recipe[i]) then
+        if inv:get_stack("main", i) ~= recipe[i] then
             return false
         end
     end
-    return true
+    return plot
 end
 
 minetest.register_node(":rgt_towns:constructor", {
@@ -84,11 +94,12 @@ minetest.register_node(":rgt_towns:constructor", {
         local m = minetest.get_meta(pos)
         local grid = m:get_string("grid")
         local gpos = vector.from_string(m:get_string("build_pos"))
-        local plot = m:get("plot") or "house"
         
         local inv = m:get_inventory()
         
-        if not ns.check_recipe(inv, plot) then
+        local plot = ns.check_recipe(inv)
+        
+        if not plot then
             return
         end
         

mods/rgt_towns/rgt_towns_core/plots.lua

@@ -245,6 +245,7 @@ function ns.place_plot(grid, pos, plot, owner, rot)
             m = minetest.get_meta(p)
             m:set_string("grid", grid)
             m:set_string("build_pos", gp:to_string())
+            m:set_string("plot", plot)
         end
 
         gp = pos:offset(x, 0, 1)
@@ -256,6 +257,7 @@ function ns.place_plot(grid, pos, plot, owner, rot)
             m = minetest.get_meta(p)
             m:set_string("grid", grid)
             m:set_string("build_pos", gp:to_string())
+            m:set_string("plot", plot)
         end
     end
 
@@ -270,6 +272,7 @@ function ns.place_plot(grid, pos, plot, owner, rot)
             m = minetest.get_meta(p)
             m:set_string("grid", grid)
             m:set_string("build_pos", pos:offset(-1, 0, z):to_string())
+            m:set_string("plot", plot)
         end
 
         gp = pos:offset(1, 0, z)
@@ -281,6 +284,7 @@ function ns.place_plot(grid, pos, plot, owner, rot)
             m = minetest.get_meta(p)
             m:set_string("grid", grid)
             m:set_string("build_pos", pos:offset(1, 0, z):to_string())
+            m:set_string("plot", plot)
         end
     end