add energy values to nodes

constructor.lua

@@ -36,8 +36,7 @@ local function on_timer(pos, elapsed)
             end
             -- make sure orb has enough charge
             local orb_charge = fuel_stack:get_meta():get_int("stored_charge") or 0
-            -- TODO specific charge required depending on node
-            orb_charge = orb_charge - 1
+            orb_charge = orb_charge - get_item_energy(src_stack:get_name())
             if orb_charge < 0 then
                 break
             end

deconstructor.lua

@@ -25,14 +25,14 @@ local function on_timer(pos, elapsed)
         if not inv:is_empty("dst") and not inv:is_empty("fuel") then
             -- remove one item from fuel inventory
             local fuel_stack = inv:get_stack("fuel", 1)
+            local energy_value = get_item_energy(fuel_stack:get_name())
             fuel_stack:set_count(fuel_stack:get_count() - 1)
             inv:set_stack("fuel", 1, fuel_stack)
 
             -- only get 1 orb as we can only use one
             local dest_orb = inv:get_stack("dst", 1)
             local stored = dest_orb:get_meta():get_int("stored_charge") or 0
-            -- TODO give a specific stored charge depending on node
-            stored = stored + 1
+            stored = stored + energy_value
             dest_orb:get_meta():set_int("stored_charge", stored)
             inv:set_stack("dst", 1, dest_orb)
 

energy.lua

@@ -0,0 +1,206 @@
+-- TODO add more items from minetest_game
+-- Names listed are in the order shown in the minetest_game repo
+local energy_values = {
+    ["default"] = {
+        --- Nodes
+        -- Stone
+        stone = 1,
+        cobble = 2,
+        stonebrick = 3,
+        stone_block = 3,
+        mossycobble = 3,
+
+        desert_stone = 3,
+        desert_cobble = 3,
+        desert_stonebrick = 3,
+        desert_stone_block = 3,
+
+        sandstone = 2,
+        sandstonebrick = 3,
+        sandstone_block = 3,
+        desert_sandstone = 2,
+        desert_sandstone_brick = 3,
+        desert_sandstone_block = 3,
+        silver_sandstone = 2,
+        silver_sandstone_brick = 3,
+        silver_sandstone_block = 3,
+
+        obsidian = 10,
+        obsidianbrick = 11,
+        obsidian_block = 11,
+
+        -- Soft / Non-Stone,
+        dirt = 1,
+        dirt_with_grass = 1,
+        dirt_with_grass_footsteps = 1,
+        dirt_with_dry_grass = 1,
+        dirt_with_snow = 1,
+        dirt_with_rainforest_litter = 1,
+        dirt_with_coniferous_litter = 1,
+        dry_dirt = 1,
+        dry_dirt_with_dry_grass = 1,
+
+        permafrost = 1,
+        permafrost_with_stones = 1,
+        permafrost_with_moss = 1,
+
+        sand = 1,
+        desert_sand = 1,
+        silver_sand = 1,
+
+        gravel = 1,
+
+        clay = 3,
+
+        snow = 1,
+        snowblock = 1,
+        ice = 1,
+        cave_ice = 1,
+
+        -- Trees,
+        tree = 2,
+        wood = 2,
+        leaves = 1,
+        sapling = 3,
+        apple = 5,
+
+        jungletree = 2,
+        junglewood = 2,
+        jungleleaves = 1,
+        junglesapling = 2,
+        emergent_jungle_sapling = 2,
+
+        pine_tree = 2,
+        pine_wood = 2,
+        pine_needles = 2,
+        pine_sapling = 3,
+
+        acacia_tree = 1,
+        acacia_wood = 2,
+        acacia_leaves = 2,
+        acacia_sapling = 3,
+
+        aspen_tree = 2,
+        aspen_wood = 2,
+        aspen_leaves = 1,
+        aspen_sapling = 3,
+
+        -- Ores,
+        stone_with_coal = 5,
+        coalblock = 5,
+
+        stone_with_iron = 5,
+        steelblock = 5,
+
+        stone_with_copper = 5,
+        copperblock = 5,
+
+        stone_with_tin = 5,
+        tinblock = 5,
+
+        bronzeblock = 5,
+
+        stone_with_gold = 5,
+        goldblock = 5,
+
+        stone_with_mese = 5,
+        mese = 5,
+
+        stone_with_diamond = 17,
+        diamondblock = 17,
+
+        -- Plantlife,
+        cactus = 2,
+        large_cactus_seedling = 1,
+
+        papyrus = 1,
+        dry_shrub = 1,
+        junglegrass = 1,
+
+        grass_1 = 1,
+        grass_2 = 1,
+        grass_3 = 1,
+        grass_4 = 1,
+        grass_5 = 1,
+
+        dry_grass_1 = 1,
+        dry_grass_2 = 1,
+        dry_grass_3 = 1,
+        dry_grass_4 = 1,
+        dry_grass_5 = 1,
+
+        fern_1 = 1,
+        fern_2 = 1,
+        fern_3 = 1,
+
+        marram_grass_1 = 1,
+        marram_grass_2 = 1,
+        marram_grass_3 = 1,
+
+        bush_stem = 1,
+        bush_leaves = 1,
+        bush_sapling = 1,
+        acacia_bush_stem = 1,
+        acacia_bush_leaves = 1,
+        acacia_bush_sapling = 1,
+        pine_bush_stem = 1,
+        pine_bush_needles = 1,
+        pine_bush_sapling = 1,
+        blueberry_bush_leaves_with_berries = 1,
+        blueberry_bush_leaves = 1,
+        blueberry_bush_sapling = 1,
+
+        sand_with_kelp = 1,
+
+        -- Corals,
+        coral_green = 2,
+        coral_pink = 2,
+        coral_cyan = 2,
+        coral_brown = 2,
+        coral_orange = 2,
+        coral_skeleton = 2,
+
+        -- Tools / "Advanced" crafting / Non-"natural",
+        bookshelf = 9,
+
+        sign_wall_wood = 4,
+        sign_wall_steel = 4,
+
+        ladder_wood = 4,
+        ladder_steel = 4,
+
+        fence_wood = 4,
+        fence_acacia_wood = 4,
+        fence_junglewood = 4,
+        fence_pine_wood = 4,
+        fence_aspen_wood = 4,
+
+        fence_rail_wood = 4,
+        fence_rail_acacia_wood = 4,
+        fence_rail_junglewood = 4,
+        fence_rail_pine_wood = 4,
+        fence_rail_aspen_wood = 4,
+
+        glass = 9,
+        obsidian_glass = 10,
+
+        brick = 8,
+
+        meselamp = 15,
+        mese_post_light = 4,
+        mese_post_light_acacia_wood = 4,
+        mese_post_light_junglewood = 4,
+        mese_post_light_pine_wood = 4,
+        mese_post_light_aspen_wood = 4,
+    },
+}
+
+-- load energy values into known items
+for modname, itemlist in pairs(energy_values) do
+    for itemname, energy_value in pairs(itemlist) do
+        minetest.override_item(modname..":"..itemname, {
+            description = minetest.registered_items[modname..":"..itemname].description.."\nEnergy Value: "..energy_value,
+            energy_value = energy_value,
+        })
+    end
+end

init.lua

@@ -1,5 +1,10 @@
 local default_path = minetest.get_modpath("element_exchange")
 
+function get_item_energy(name)
+    return minetest.registered_items[name].energy_value or 1
+end
+
 dofile(default_path.."/constructor.lua")
 dofile(default_path.."/deconstructor.lua")
+dofile(default_path.."/energy.lua")
 dofile(default_path.."/orb.lua")