node resilience wip

init.lua

@@ -6,13 +6,14 @@ spacecannon = {
 
 		-- charge value in EU
 		powerrequirement = 2500
-
-	}
+	},
+	node_resilience = {}
 }
 
 local MP = minetest.get_modpath("spacecannon")
 
 dofile(MP.."/util.lua")
 dofile(MP.."/cannon.lua")
+dofile(MP.."/node_resilience.lua")
 
 print("[OK] Spacecannon")

node_resilience.lua

@@ -0,0 +1,8 @@
+
+-- default = 1
+-- >1 = stronger
+-- <1 = weaker
+
+
+spacecannon.node_resilience["default:obsidian"] = 3
+spacecannon.node_resilience["default:obsidian_glass"] = 3

util.lua

@@ -77,6 +77,8 @@ spacecannon.destroy = function(pos, range, intensity)
 
 						else
 							-- default behavior
+							local resilience = spacecannon.node_resilience[n.name] or 1
+							if resilience <= 1 or math.random(resilience) == resilience then
 								minetest.set_node(np, {name="air"})
 								local itemstacks = minetest.get_node_drops(n.name)
 								for _, itemname in ipairs(itemstacks) do
@@ -86,6 +88,7 @@ spacecannon.destroy = function(pos, range, intensity)
 									end
 								end
 							end
+						end
 
 					end
 				end