Improve wind position for particles, add command to set wind, improve wind influences

ROADMAP.md

@@ -4,15 +4,11 @@
 - Find good values for weather conditions
 - Make sure all weather presets are working
 
-## Required for Beta
-- Ability to register environment conditions dynamically (like the heat)
-
 ## Planned for first release
 - Write helpful README
 - Set effects on player join
 - Improve value structures of particle and skybox effects
 - Make sounds adjust to changes by weather presets
-- Ability to force set a wind speed via chat commands
 
 ## Nice to have
 - Write documentation on how to add weathers and effects
@@ -22,7 +18,6 @@
 - Make switches between effects more smooth
 - Adjust size of particle boxes based on player speed
 - Create conditions for time of day, annual progression, biome filters
-- Support for sail boats mod
 
 ## Future Plans & Ideas
 - Complete season system

ca_effects/particles.lua

@@ -11,18 +11,11 @@ end
 
 local function spawn_particles(player, particles)
 	local ppos = player:getpos()
-	local wind_x = climate_mod.state:get_float("wind_x")
-	local wind_z = climate_mod.state:get_float("wind_z")
-	local wind = vector.new(wind_x, 0, wind_z)
-	local wind_pos = vector.multiply(wind, -1)
-	local wind_speed = vector.length(wind)
+	local wind = climate_api.environment.get_wind()
 
 	local amount = particles.amount * climate_mod.settings.particle_count
 	local texture = get_particle_texture(particles)
 
-	local minp = vector.add(vector.add(ppos, particles.min_pos), wind_pos)
-	local maxp = vector.add(vector.add(ppos, particles.max_pos), wind_pos)
-
 	local vel = vector.new({
 		x = wind.x,
 		y = -particles.falling_speed,
@@ -30,6 +23,14 @@ local function spawn_particles(player, particles)
 	})
 	local acc = vector.new({x=0, y=0, z=0})
 
+	local wind_pos = vector.multiply(
+		vector.normalize(vel),
+		-vector.length(wind)
+	)
+	wind_pos.y = 0
+	local minp = vector.add(vector.add(ppos, particles.min_pos), wind_pos)
+	local maxp = vector.add(vector.add(ppos, particles.max_pos), wind_pos)
+
 	local exp = particles.exptime
 	local vertical = math.abs(vector.normalize(vel).y) >= 0.6
 

ca_effects/skybox.lua

@@ -2,6 +2,8 @@ if not climate_mod.settings.skybox then return end
 
 local EFFECT_NAME = "climate_api:skybox"
 
+local reset_data = {}
+
 local function set_skybox(player, sky)
 	if not player.get_stars then return end
 	if sky.sky_data ~= nil then
@@ -16,8 +18,8 @@ local function set_skybox(player, sky)
 	if sky.sun_data ~= nil then
 		player:set_sun(sky.sun_data)
 	end
-	if sky.stars_data ~= nil then
-		player:set_sun(sky.stars_data)
+	if sky.star_data ~= nil then
+		player:set_stars(sky.stars_data)
 	end
 end
 

init.lua

@@ -31,7 +31,8 @@ climate_mod.settings = {
 	humidity				= get_setting_number("humidity_base", 0),
 	time_spread			= get_setting_number("time_spread", 1),
 	particle_count	= get_setting_number("particle_count", 1),
-	tick_speed			= get_setting_number("tick_speed", 1)
+	tick_speed			= get_setting_number("tick_speed", 1),
+	volume					= get_setting_number("volume", 1)
 }
 
 -- initiate empty registers
@@ -42,6 +43,7 @@ climate_mod.influences = {}
 climate_mod.current_weather = {}
 climate_mod.current_effects = {}
 climate_mod.forced_weather = {}
+climate_mod.forced_wind = nil
 
 -- import core API
 climate_mod.state = dofile(modpath .. "/lib/datastorage.lua")

lib/commands.lua

@@ -77,6 +77,32 @@ minetest.register_chatcommand("set_humidity", {
 	end
 })
 
+minetest.register_chatcommand("set_wind", {
+	params = "<wind>",
+	description = "Override the weather algorithm's windspeed",
+	privs = { weather = true },
+	func = function(playername, param)
+		if param == nil or param == "" then
+			minetest.chat_send_player(playername, "Provide a number to modify the base humidity")
+			return
+		end
+		local arguments = {}
+		for w in param:gmatch("%S+") do table.insert(arguments, w) end
+		local wind_x = arguments[1]
+		local wind_z = arguments[2]
+		if wind_x == "auto" then
+			climate_mod.forced_wind = nil
+		else
+			climate_mod.forced_wind = vector.new({
+				x = tonumber(wind_x),
+				y = 0,
+				z = tonumber(wind_z)
+			})
+		end
+		minetest.chat_send_player(playername, "Wind changed")
+	end
+})
+
 minetest.register_chatcommand("weather_settings", {
 	description = "Print the active Climate API configuration",
 	func = function(playername)

lib/environment.lua

@@ -6,7 +6,7 @@ local function get_heat_time()
 end
 
 local function get_heat_calendar()
-	-- European heat center in August instead of June
+	-- heat center in August instead of June
 	local day = minetest.get_day_count()
 	local progression = ((day + 61) % 365) / 365
 	return climate_api.utility.normalized_cycle(progression) * 0.6 + 0.7
@@ -35,6 +35,9 @@ function environment.get_humidity(pos)
 end
 
 function environment.get_wind()
+	if climate_mod.forced_wind ~= nil then
+		return climate_mod.forced_wind
+	end
 	local wind_x = climate_mod.state:get_float("wind_x")
 	local wind_z = climate_mod.state:get_float("wind_z")
 	return vector.new({ x = wind_x, y = 0, z = wind_z })

lib/influences.lua

@@ -13,17 +13,14 @@ climate_api.register_influence("biome", function(pos)
 end)
 
 climate_api.register_influence("windspeed", function(_)
-	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})
+	local wind = climate_api.environment.get_wind()
+	return vector.length(wind)
 end)
 
-climate_api.register_influence("wind_x", function(_)
-	return climate_mod.state:get_float("wind_x")
-end)
-
-climate_api.register_influence("wind_z", function(_)
-	return climate_mod.state:get_float("wind_z")
+climate_api.register_influence("wind_yaw", function(_)
+	local wind = climate_api.environment.get_wind()
+	if vector.length(wind) == 0 then return 0 end
+	return minetest.dir_to_yaw(wind)
 end)
 
 climate_api.register_influence("height", function(pos)

settingtypes.txt

@@ -10,3 +10,4 @@ climate_api_time_spread (Regulates how quickly the weather changes) float 1 0.1
 climate_api_particle_count (Multiplicator for used particles) float 1 0.1 2
 climate_api_fahrenheit (Show degrees in Fahrenheit instead of Celsius) bool false
 climate_api_tick_speed (Update speed of weather effects) float 1 0.1 10
+climate_api_volume (Volume of sound effects) float 1 0 10