Make wind dependent on height, add additional control commands, improve docu

ca_effects/damage.lua

@@ -35,7 +35,7 @@ local function check_hit(player, ray)
 	-- use raycating to factor in wind speed
 	local origin = vector.add(ppos, {x = 0, y = ray.height or 0, z = 0 })
 	if ray.use_wind ~= false then
-		local wind = climate_api.environment.get_wind()
+		local wind = climate_api.environment.get_wind(origin)
 		local velocity = ray.velocity or 1
 		local windpos = vector.multiply(
 			vector.normalize(vector.add({ x = 0, y = -velocity, z = 0 }, wind)),

ca_effects/hud_overlay.lua

@@ -22,7 +22,9 @@ local function apply_hud(pname, weather, hud)
 	local file
 	if hud.color_correction then
 		local pos = vector.add(player:get_pos(), {x = 0, y = 1, z = 0})
-		local light = math.floor(math.max(minetest.env:get_node_light(pos) / 15, 0.2) * 256)
+		local node_light = minetest.env:get_node_light(pos)
+		if not node_light then node_light = 0 end
+		local light = math.floor(math.max(node_light / 15, 0.2) * 256)
 		local shadow = 256 - light
 
 		local dark_file = hud.file .. "^[multiply:#000000ff^[opacity:" .. shadow

ca_effects/particles.lua

@@ -175,7 +175,8 @@ local function parse_config(player, particles)
 
 	-- move particles in wind direction
 	if config.use_wind then
-		local wind = climate_api.environment.get_wind()
+		local pos = vector.multiply(vector.add(config.minpos, config.maxpos), 0.5)
+		local wind = climate_api.environment.get_wind(pos)
 		-- adjust velocity to include wind
 		config.minvel = vector.add(config.minvel, wind)
 		config.maxvel = vector.add(config.maxvel, wind)

ca_effects/skybox.lua

@@ -41,3 +41,5 @@ end
 
 climate_api.register_effect(EFFECT_NAME, handle_effect, "tick")
 climate_api.register_effect(EFFECT_NAME, remove_effect, "stop")
+
+climate_api.set_effect_cycle(EFFECT_NAME, climate_api.SHORT_CYCLE)