Implement sounds, enable start and stop events

lib/influences.lua

@@ -0,0 +1,30 @@
+climate_api.register_influence("heat", function(player)
+	return climate_mod.get_heat(player:get_pos())
+end)
+
+climate_api.register_influence("humidity", function(player)
+	return climate_mod.get_humidity(player:get_pos())
+end)
+
+climate_api.register_influence("windspeed", function(player)
+	local wind_x = climate_mod.state:get_float("wind_x")
+	local wind_z = climate_mod.state:get_float("wind_z")
+	return vector.length({x = wind_x, y = 0, z = wind_z})
+end)
+
+climate_api.register_influence("wind_x", function(player)
+	return climate_mod.state:get_float("wind_x")
+end)
+
+climate_api.register_influence("wind_z", function(player)
+	return climate_mod.state:get_float("wind_z")
+end)
+
+climate_api.register_influence("height", function(player)
+	local ppos = player:get_pos()
+	return ppos.y
+end)
+
+climate_api.register_influence("light", function(player)
+	return minetest.env:get_node_light(player:get_pos(), 0.5)
+end)