Add multi-signal doors, basic device deployment, and a target trigger.

mods/artifact_characters/key.lua

@@ -2,5 +2,33 @@ local ns = artifact
 
 
 function ns.do_whack(m)
-    
+    if m.pointed_node then
+        local pos = m.pointed_node.under
+        local node = minetest.get_node(pos)
+        local def = minetest.registered_nodes[node.name]
+        if not def.groups.whackable then return end
+        minetest.remove_node(pos)
+        minetest.add_particlespawner {
+            pos = {
+                min = pos:offset(-0.5, -0.5, -0.5),
+                max = pos:offset(0.5, 0.5, 0.5)
+            },
+            vel = {
+                min = vector.new(-1, 0, -1) *1.5,
+                max = vector.new(1, 2, 1) *1.5
+            },
+            acc = vector.new(0,-9.81,0),
+            collisiondetection = true,
+            amount = 50,
+            node = {name = node.name},
+            time = 0.1
+        }
+    elseif m.pointed_obj and m.pointed_obj.on_whack then
+        if m.pointed_obj:on_whack() then
+            -- For use in artifact_help.
+            if artifact.on_whacked then
+                artifact.on_whacked()
+            end
+        end
+    end
 end