Implement ABM system and damage effect

abms/soil.lua

@@ -0,0 +1,46 @@
+if not regional_weather.settings.soil then return end
+if not minetest.get_modpath("farming") then return end
+
+if farming ~= nil and farming.mod == "redo" then
+	climate_api.register_abm({
+		label			= "wetten soil at high humidity",
+		nodenames = { "farming:soil" },
+		interval	= 8,
+		chance		= 2,
+
+		 conditions	= {
+			 min_height		= regional_weather.settings.min_height,
+			 max_height		= regional_weather.settings.max_height,
+			 min_humidity	= 55,
+			 min_heat			= 30,
+			 min_light		= 15
+		 },
+
+	   action = function (pos, node, env)
+			 minetest.set_node(pos, { name = "farming:soil_wet" })
+		 end
+	})
+
+else
+	climate_api.register_abm({
+		label			= "wetten fields at high humidity",
+		nodenames = { "group:field" },
+		interval	= 8,
+		chance		= 2,
+
+		 conditions	= {
+			 min_height		= regional_weather.settings.min_height,
+			 max_height		= regional_weather.settings.max_height,
+			 min_humidity	= 55,
+			 min_heat			= 30,
+			 min_light		= 15
+		 },
+
+	   action = function (pos, node, env)
+			 local node_def = minetest.registered_nodes[node.name] or nil
+			 local wet_soil = node_def.soil.wet or nil
+			 if wet_soil == nil then return end
+			 minetest.set_node(pos, { name = wet_soil })
+		 end
+	})
+end