tweak humidity to consider biome even more

Performance optimizations

.gitignore

@@ -0,0 +1 @@
+*.code-workspace

init.lua

@@ -25,25 +25,32 @@ end
 
 -- load settings from config file
 climate_mod.settings = {
-	damage					= get_setting_bool("damage", true),
+    damage = get_setting_bool("damage", true),
-	raycast					= get_setting_bool("raycast", true),
+    raycast = get_setting_bool("raycast", true),
-	particles				= get_setting_bool("particles", true),
+    particles = get_setting_bool("particles", true),
-	skybox					= get_setting_bool("skybox", true),
+    skybox = get_setting_bool("skybox", true),
-	sound						= get_setting_bool("sound", true),
+    sound = get_setting_bool("sound", true),
-	hud_overlay			= get_setting_bool("hud_overlay", true),
+    hud_overlay = get_setting_bool("hud_overlay", true),
-	wind						= get_setting_bool("wind", true),
+    wind = get_setting_bool("wind", true),
-	seasons					= get_setting_bool("seasons", true),
+    seasons = get_setting_bool("seasons", true),
-	fahrenheit			= get_setting_bool("fahrenheit", false),
+    fahrenheit = get_setting_bool("fahrenheit", false),
-	block_updates		= get_setting_bool("block_updates", true),
+    block_updates = get_setting_bool("block_updates", true),
-	heat						= get_setting_number("heat_base", 0),
+    heat = get_setting_number("heat_base", 0),
-	humidity				= get_setting_number("humidity_base", 0),
+    humidity = get_setting_number("humidity_base", 0),
-	time_spread			= get_setting_number("time_spread", 1),
+    time_spread = get_setting_number("time_spread", 1),
-	particle_count	= get_setting_number("particle_count", 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),
+    volume = get_setting_number("volume", 1),
-	ceiling_checks	= get_setting_number("ceiling_checks", 10),
+    ceiling_checks = get_setting_number("ceiling_checks", 10)
 }
 
+-- warn about clouds being overriden by MTG weather
+if climate_mod.settings.skybox and minetest.get_modpath("weather") and minetest.settings:get_bool("enable_weather") then
+    minetest.log("warning", "[Regional Weather] " ..
+        S("Disable MTG weather for the best experience. Check the forum for more information."))
+    minetest.settings:set_bool("enable_weather", false) -- try to disable MTG weather. may or may not work depending on load order
+end
+
 climate_mod.i18n = minetest.get_translator("climate_api")
 
 -- initialize empty registers

lib/commands.lua

@@ -229,4 +229,18 @@ minetest.register_chatcommand("weather_influences", {
 			minetest.chat_send_player(playername, dump2(value, influence))
 		end
 	end
+})
+
+-- used to debug downfall
+minetest.register_chatcommand("explain_humidity", {
+	description = "Explains how the humidity value got calculated",
+	func = function(playername)
+		local base = climate_mod.settings.humidity
+		local biome = minetest.get_humidity((minetest.get_player_by_name(playername)):get_pos())
+		local random = climate_mod.state:get_float("humidity_random");
+		local random_base = climate_mod.state:get_float("humidity_base");
+		minetest.chat_send_player(playername, dump2(base, "base"))
+		minetest.chat_send_player(playername, dump2(biome, "biome"))
+		minetest.chat_send_player(playername, dump2(random, "random"))
+	end
 })

lib/environment.lua

@@ -9,7 +9,7 @@ function environment.get_heat(pos)
 	local height = climate_api.utility.rangelim((-pos.y + 10) / 15, -10, 10)
 	local time = climate_api.utility.normalized_cycle(minetest.get_timeofday()) * 0.6 + 0.7
 	local random = climate_mod.state:get_float("heat_random");
-	return (base + biome + height) * time * random
+	return base + ((biome + height) * time * random)
 end
 
 function environment.get_humidity(pos)
@@ -19,8 +19,7 @@ function environment.get_humidity(pos)
 	local base = climate_mod.settings.humidity
 	local biome = minetest.get_humidity(pos)
 	local random = climate_mod.state:get_float("humidity_random");
-	local random_base = climate_mod.state:get_float("humidity_base");
+	return base + ((biome * 0.7 + 40 * 0.3) * random)
-	return (base + biome * 0.7 + random_base * 0.3) * random
 end
 
 function environment.get_wind(pos)

lib/influences.lua

@@ -10,7 +10,7 @@ climate_api.register_influence("humidity",
 	climate_api.environment.get_humidity
 )
 
-climate_api.register_influence("base_humidity",
+climate_api.register_influence("biome_humidity",
 	minetest.get_humidity
 )
 

lib/main.lua

@@ -1,9 +1,12 @@
-local GSCYCLE			=  0.03	* climate_mod.settings.tick_speed	-- only process event loop after this amount of time
+local GSCYCLE = 0.06 * climate_mod.settings.tick_speed	-- only process event loop after this amount of time
-local WORLD_CYCLE = 30.00	* climate_mod.settings.tick_speed	-- only update global environment influences after this amount of time
+local WORLD_CYCLE = 30.00 * climate_mod.settings.tick_speed	-- only update global environment influences after this amount of time
 
 local gs_timer = 0
 local world_timer = 0
 minetest.register_globalstep(function(dtime)
+	local player_list = minetest.get_connected_players()
+	if #player_list == 0 then return end
+
 	gs_timer = gs_timer + dtime
 	world_timer = world_timer + dtime
 
@@ -26,7 +29,7 @@ minetest.register_globalstep(function(dtime)
 		end
 	end
 
-	local current_effects = climate_mod.trigger.get_active_effects()
+	local current_effects = climate_mod.trigger.get_active_effects(player_list)
 
 	for name, effect in pairs(climate_mod.effects) do
 		local cycle = climate_mod.cycles[name].timespan * climate_mod.settings.tick_speed

lib/trigger.lua

@@ -9,7 +9,7 @@ function trigger.get_global_environment()
 end
 
 function trigger.get_position_environment(pos)
-	local env = table.copy(climate_mod.global_environment)
+	local env = trigger.get_global_environment()
 	for influence, func in pairs(climate_mod.influences) do
 		env[influence] = func(pos)
 	end
@@ -83,20 +83,18 @@ local function get_weather_effects(player, weather_config, env)
 	return effects
 end
 
-function trigger.get_active_effects()
+function trigger.get_active_effects(players)
 	local environments = {}
 	local effects = {}
 	climate_mod.current_weather = {}
 
-	for _, player in ipairs(minetest.get_connected_players()) do
+	for _, player in ipairs(players) do
 		local pname = player:get_player_name()
 		local hp = player:get_hp()
 		-- skip weather presets for dead players
 		if hp ~= nil and hp > 0 then
-			environments[pname] = trigger.get_player_environment(player)
+			local env = trigger.get_player_environment(player)
-		end
+			environments[pname] = env
-		local env = environments[pname]
-		if env ~= nil then
 			for wname, wconfig in pairs(climate_mod.weathers) do
 				if is_weather_active(player, wname, env) then
 					if climate_mod.current_weather[pname] == nil then

lib/world.lua

@@ -6,9 +6,8 @@ local WIND_SCALE = 2
 local HEAT_SPREAD = 400
 local HEAT_SCALE = 0.3
 local HUMIDITY_SPREAD = 150
-local HUMIDITY_SCALE = 0.5
+local HUMIDITY_SCALE = 1
-local HUMIDITY_BASE_SPREAD = 800
+local HUMIDITY_TIMESCALE = 1
-local HUMIDITY_BASE_SCALE = 40
 
 local nobj_wind_x
 local nobj_wind_z
@@ -47,23 +46,14 @@ local pn_heat = {
 }
 
 local pn_humidity = {
-	offset = 0,
+	offset = 1,
 	scale = HUMIDITY_SCALE,
 	spread = {x = HUMIDITY_SPREAD, y = HUMIDITY_SPREAD, z = HUMIDITY_SPREAD},
 	seed = 8374061,
 	octaves = 2,
 	persist = 0.5,
-	lacunarity = 2
+	lacunarity = 2,
-}
+	flags = "noeased"
-
-local pn_humidity_base = {
-	offset = 50,
-	scale = HUMIDITY_BASE_SCALE,
-	spread = {x = HUMIDITY_BASE_SPREAD, y = HUMIDITY_BASE_SPREAD, z = HUMIDITY_BASE_SPREAD},
-	seed = 3803465,
-	octaves = 2,
-	persist = 0.5,
-	lacunarity = 2
 }
 
 local function update_wind(timer)
@@ -83,11 +73,8 @@ end
 
 local function update_humidity(timer)
 	nobj_humidity = nobj_humidity or minetest.get_perlin(pn_humidity)
-	local n_humidity = nobj_humidity:get_2d({x = timer, y = 0})
+	local n_humidity = nobj_humidity:get_2d({x = timer * HUMIDITY_TIMESCALE, y = 0})
 	climate_mod.state:set_float("humidity_random", n_humidity)
-	nobj_humidity_base = nobj_humidity_base or minetest.get_perlin(pn_humidity_base)
-	local n_humidity_base = nobj_humidity_base:get_2d({x = timer, y = 0})
-	climate_mod.state:set_float("humidity_base", n_humidity_base)
 end
 
 function world.update_status(timer)

mod.conf

@@ -1,7 +1,6 @@
 name = climate_api
 title = Climate API
 author = TestificateMods
-release = 10001
 optional_depends = player_monoids, playerphysics, pova
 description = """
 A powerful engine for weather presets and visual effects.