add initial support for tapping technic power cables

2 files changed, 79 insertions, 1 deletions

diff --git a/nodes/node_crate.lua b/nodes/node_crate.lua
index 7e30207..080fe68 100644
--- a/nodes/node_crate.lua
+++ b/nodes/node_crate.lua
@@ -30,7 +30,16 @@ minetest.register_node("digtron:empty_crate", {
 		
 		-- destroy everything. Note that this includes the empty crate, which will be bundled up with the layout.
 		for _, node_image in pairs(layout.all) do
-			minetest.remove_node(node_image.pos)
+			local old_pos = node_image.pos
+			local old_node = node_image.node
+			minetest.remove_node(old_pos)
+			
+			for _, callback in ipairs(minetest.registered_on_dignodes) do
+				-- Copy pos and node because callback can modify them
+				local pos_copy = {x=old_pos.x, y=old_pos.y, z=old_pos.z}
+				local oldnode_copy = {name=old_node.name, param1=old_node.param1, param2=old_node.param2}
+				callback(pos_copy, oldnode_copy, clicker)
+			end			
 		end
 		
 		-- Create the loaded crate node
diff --git a/nodes/node_power_connector.lua b/nodes/node_power_connector.lua
new file mode 100644
index 0000000..4e51e36
--- /dev/null
+++ b/nodes/node_power_connector.lua
@@ -0,0 +1,69 @@
+-- internationalization boilerplate
+local MP = minetest.get_modpath(minetest.get_current_modname())
+local S, NS = dofile(MP.."/intllib.lua")
+
+local size = 3/16
+
+local max_dig_cost = math.max(digtron.config.dig_cost_cracky, digtron.config.dig_cost_crumbly, digtron.config.dig_cost_choppy, digtron.config.dig_cost_default)
+
+minetest.register_node("digtron:power_connector", {
+	description = S("DPC"),
+	_doc_items_longdesc = digtron.doc.power_connector_longdesc,
+    _doc_items_usagehelp = digtron.doc.power_connector_usagehelp,
+	groups = {cracky = 3,  oddly_breakable_by_hand=3, digtron = 8, technic_machine=1, technic_hv=1},
+	tiles = {"digtron_plate.png"},
+	connect_sides = {"bottom", "top", "left", "right", "front", "back"},
+	drawtype = "nodebox",
+	sounds = digtron.metal_sounds,
+	paramtype = "light",
+	paramtype2 = "facedir",
+	is_ground_content = false,
+--	node_box = {
+--		type = "fixed",
+--		fixed = {
+--			{-0.5, 0.5, -0.5, 0.5, 0, 0.5}, -- NodeBox1
+--			{-0.1875, 0, -0.1875, 0.1875, -0.5, 0.1875}, -- NodeBox2
+--			{-0.3125, -0.0625, -0.3125, 0.3125, -0.1875, 0.3125}, -- NodeBox3
+--			{-0.3125, -0.25, -0.3125, 0.3125, -0.375, 0.3125}, -- NodeBox4
+--		}
+--	},
+	
+	connects_to = {"group:technic_hv_cable"},
+	node_box = {
+		type = "connected",
+		fixed          = {
+			{-0.5, -0.5, -0.5, 0.5, 0, 0.5}, -- NodeBox1
+			{-0.1875, 0, -0.1875, 0.1875, 0.5, 0.1875}, -- NodeBox2
+			{-0.3125, 0.0625, -0.3125, 0.3125, 0.1875, 0.3125}, -- NodeBox3
+			{-0.3125, 0.25, -0.3125, 0.3125, 0.375, 0.3125}, -- NodeBox4
+		},
+		connect_front  = {-size, -size, -0.5,  size,  size, size}, -- z-
+		connect_back   = {-size, -size,  size, size,  size, 0.5 }, -- z+
+		connect_left   = {-0.5,  -size, -size, size,  size, size}, -- x-
+		connect_right  = {-size, -size, -size, 0.5,   size, size}, -- x+
+	},
+	
+	technic_run = function(pos, node)
+		local meta = minetest.get_meta(pos)
+		local eu_input = meta:get_int("HV_EU_input")
+		local demand = meta:get_int("HV_EU_demand")
+		meta:set_string("infotext", S("Digtron Power @1/@2\nRight-click to update", eu_input, demand))
+	end,
+	
+	on_rightclick = function(pos, node, player, itemstack, pointed_thing)
+		local layout = DigtronLayout.create(pos, player)
+		local max_cost = 0
+		for _, node_image in pairs(layout.builders) do
+			max_cost = max_cost + digtron.config.build_cost
+		end 
+		for _, node_image in pairs(layout.diggers) do
+			max_cost = max_cost + max_dig_cost
+		end
+		local meta = minetest.get_meta(pos)
+		meta:set_int("HV_EU_demand", max_cost * digtron.config.power_ratio)		
+	end,
+
+})
+
+
+technic.register_machine("HV", "digtron:power_connector", technic.receiver)
\ No newline at end of file