Implement ABM system and damage effect

abms/fire.lua

@@ -0,0 +1,21 @@
+if not regional_weather.settings.fire then return end
+if not minetest.get_modpath("fire") then return end
+
+climate_api.register_abm({
+	label			= "extinguish fire at high humidity",
+	nodenames = { "fire:basic_flame" },
+	interval	= 10,
+	chance		= 2,
+
+	 conditions	= {
+		 min_height		= regional_weather.settings.min_height,
+		 max_height		= regional_weather.settings.max_height,
+		 min_humidity	= 55,
+		 max_heat			= 85,
+		 min_light		= 15
+	 },
+
+	 action = function (pos, node, env)
+		 minetest.set_node(pos, { name = "air" })
+	 end
+})