Offset Raid Spawning

Thanks to cora for helping with the vectors and math

init.lua

@@ -53,13 +53,39 @@ minetest.register_chatcommand("spawn_raid", {
 	},
 	func = function(name)
 		local wave = 1
+		local illager_count = 0
 		local player = minetest.get_player_by_name(name)
-		local player_pos = player:get_pos()
+		local pos = player:get_pos()
+		local spawnable = false
+		local r = 32
+		local n = 12
+		local i = math.random(1, n)
+		local raid_pos = vector.offset(pos,r * math.cos(((i-1)/n) * (2*math.pi)),0,  r * math.sin(((i-1)/n) * (2*math.pi)))
+		local sn = minetest.find_nodes_in_area_under_air(vector.offset(raid_pos,0,100,0), vector.offset(raid_pos,0,-100,0), {"group:grass_block", "group:grass_block_snow", "group:snow_cover", "group:sand"})
+		if sn and #sn > 0 then
+			spawn_pos = sn[1]
+			if spawn_pos then
+				minetest.log("action", "[mcl_raids] Raid Spawn Position chosen at " .. minetest.pos_to_string(spawn_pos) .. ".")
+				spawnable = true
+			else
+				minetest.log("action", "[mcl_raids] Raid Spawn Postion not chosen.")
+			end
+		elseif not sn then
+			minetest.log("action", "[mcl_raids] Raid Spawn Position error, no appropriate site found.")
+		end
+		if spawnable and spawn_pos then
 			for _, raiddefs in pairs(mcl_raids.wave_definitions) do
 				local wave_count = raiddefs.wave_1
 				for i = 0, wave_count do
-				minetest.add_entity(player_pos, raiddefs.illager_name)
+					local entity = minetest.add_entity(spawn_pos, raiddefs.illager_name)
+					if entity then
+						local l = entity:get_luaentity()
+						l.raidmember = true
+						illager_count = illager_count + 1
 					end
 				end
 			end
+			minetest.log("action", "[mcl_raids] Raid Spawned. Illager Count: " .. illager_count .. ".")
+		end
+	end
 })

mod.conf

@@ -0,0 +1 @@
+name = mcl_raids