Merge remote-tracking branch 'upstream/master' into nalc-1.2-dev

Update README.md to reflect current location of repo

See merge request rautars/weather_pack!11

README.md

@@ -4,8 +4,8 @@ Weather mod for Minetest (http://minetest.net/)
 
 Feedback and Improvements
 -----------------------
-* See newest version at https://github.com/xeranas/weather_pack
+* See newest version at https://gitlab.com/zombiebot/weather_pack
-* Register bugs at https://github.com/xeranas/weather_pack/issues
+* Register bugs at https://gitlab.com/zombiebot/weather_pack/issues
 * Questions / Discussion at https://forum.minetest.net/viewtopic.php?p=215869
 
 Weathers included

init.lua

@@ -2,25 +2,32 @@ local modpath = minetest.get_modpath("weather_pack");
 
 -- If skylayer mod not located then embeded version will be loaded.
 if minetest.get_modpath("skylayer") == nil then
-	dofile(modpath.."/embedded_sky_layer_api.lua")
+	dofile(modpath.."/lib_sky_layer_api.lua")
 end
 
 -- If happy_weather_api mod not located then embeded version will be loaded.
 if minetest.get_modpath("happy_weather_api") == nil then
-	dofile(modpath.."/embedded_happy_weather_api.lua")
+	dofile(modpath.."/lib_happy_weather_api.lua")
 	dofile(modpath.."/commands.lua")
 end
 
+legacy_MT_version = false
+if minetest.get_humidity == nil then
+	minetest.log("warning", "MOD [weather_pack]: Old Minetest version detected, some mod features will not work.")
+	legacy_MT_version = true
+end
+
 -- Happy Weather utilities
 dofile(modpath.."/utils.lua")
 
-dofile(modpath.."/light_rain.lua")
+dofile(modpath.."/weathers/light_rain.lua")
-dofile(modpath.."/rain.lua")
+dofile(modpath.."/weathers/rain.lua")
-dofile(modpath.."/heavy_rain.lua")
+dofile(modpath.."/weathers/heavy_rain.lua")
-dofile(modpath.."/snow.lua")
+dofile(modpath.."/weathers/snow.lua")
+dofile(modpath.."/weathers/snowstorm.lua")
 
 if minetest.get_modpath("lightning") ~= nil then
-	dofile(modpath.."/thunder.lua")
+	dofile(modpath.."/weathers/thunder.lua")
 
 	-- Turn off lightning mod 'auto mode'
 	lightning.auto = false

lib_happy_weather_api.lua

@@ -11,6 +11,7 @@ happy_weather = {}
 -- Local variables which helps organize active and deactive weahers
 local registered_weathers = {}
 local active_weathers = {}
+local meta_plawpos = {} -- meta about Player Last Active Weaher Position
 
 ------------------------------------
 -- Local helper / utility methods --
@@ -79,6 +80,44 @@ local is_player_affected = function(affected_players, player_name)
 	end
 end
 
+
+local remove_meta_plawpos = function(weather_code, player_name)
+	if #meta_plawpos == 0 then
+		return
+	end
+
+	for k, meta_ in ipairs(meta_plawpos) do
+		if (meta_.name == player_name and meta_.code == weather_code) then
+			table.remove(meta_plawpos, k)
+		end
+	end
+end
+
+local add_meta_plawpos = function(weather_code, player)
+	local meta = {}
+	meta.code = weather_code
+	meta.pos = player:getpos()
+	meta.name = player:get_player_name()
+	
+	remove_meta_plawpos(weather_code, player:get_player_name())
+	table.insert(meta_plawpos, meta)
+end
+
+local get_meta_plawpos = function(weather_code, player_name)
+	if #meta_plawpos == 0 then
+		return nil
+	end
+
+	for k, meta_ in ipairs(meta_plawpos) do
+		if (meta_.name == player_name and meta_.code == weather_code) then
+			return meta_.pos
+		end
+	end
+
+	return nil
+end
+
+
 ---------------------------
 -- Weather API functions --
 ---------------------------
@@ -179,7 +218,7 @@ local weather_remove_player = function(weather_obj, player)
 	weather_obj.remove_player(player)
 end
 
--- Weather remove_player method nil-safe wrapper
+-- Weather in_area method nil-safe wrapper
 local weather_in_area = function(weather_obj, position)
 	if weather_obj.in_area == nil then
 		return true
@@ -224,14 +263,36 @@ local prepare_starting = function(weather_obj)
 	add_active_weather(weather_obj)
 end
 
+local MAX_DISTANCE_FROM_WEATHER = 35
+
+-- This function aims to remove weather flickering effect when player walks on biome edge.
+-- To accomlish that extra distance is applied before removing player from weather affection.
+local is_outside_recent_weather = function(weather_code, player)
+	local pos = get_meta_plawpos(weather_code, player:get_player_name())
+	if pos == nil then
+		return false
+	end
+
+	local ppos = player:getpos()
+	local d = ((ppos.x - pos.x)^2 + (ppos.y - pos.y)^2 + (ppos.z - pos.z)^2)^0.5
+	return MAX_DISTANCE_FROM_WEATHER - d < 0
+end
+
+
 -- While still active weather can or can not affect players based on area they are
 local render_if_in_area = function(weather_obj, dtime, player)
 	if is_player_affected(weather_obj.affected_players, player:get_player_name()) then
 		if weather_in_area(weather_obj, player:getpos()) then
 			weather_render(weather_obj, dtime, player)
+			add_meta_plawpos(weather_obj.code, player)
 		else
-			weather_remove_player(weather_obj, player)
+			if (is_outside_recent_weather(weather_obj.code, player)) then
-			remove_player(weather_obj.affected_players, player:get_player_name())
+				weather_remove_player(weather_obj, player)
+				remove_player(weather_obj.affected_players, player:get_player_name())
+			-- render weather until player will be completely outside weather range
+			else
+				weather_render(weather_obj, dtime, player)
+			end
 		end
 	else
 		if weather_in_area(weather_obj, player:getpos()) then
@@ -280,7 +341,7 @@ minetest.register_globalstep(function(dtime)
 
 			-- Weaher is not active checking if it about to start
 			else
-				if weather_.is_starting(dtime, player:getpos()) then
+				if weather_is_starting(weather_, dtime, player:getpos()) then
 					activate_weather = true
 				end
 			end	

utils.lua

@@ -77,80 +77,29 @@ hw_utils.get_random_pos = function(player, offset)
 	return {x=random_pos_x, y=random_pos_y, z=random_pos_z}
 end
 
-local np_temp = {
-	offset = 50,
-	scale = 50,
-	spread = {x = 1000, y = 1000, z = 1000},
-	seed = 5349,
-	octaves = 3,
-	persist = 0.5,
-	lacunarity = 2.0
-}
-
-local np_humid = {
-	offset = 50,
-	scale = 50,
-	spread = {x = 1000, y = 1000, z = 1000},
-	seed = 842,
-	octaves = 3,
-	persist = 0.5,
-	lacunarity = 2.0
-}
-
-local np_biome_v6 = {
-	offset = 0, 
-	scale = 1.0,
-	spread = {x = 500.0, y = 500.0, z = 500.0},
-	seed = 9130,
-	octaves = 3,
-	persist = 0.50,
-	lacunarity = 2.0
-}
-
-local np_humidity_v6 = {
-	offset = 0.5,
-	scale = 0.5,
-	spread = {x = 500.0, y = 500.0, z = 500.0},
-	seed = 72384,
-	octaves = 4,
-	persist = 0.66,
-	lacunarity = 2.0
-}
-
 local is_biome_frozen = function(position)
-	local posx = math.floor(position.x)
+	if legacy_MT_version then
-	local posz = math.floor(position.z)
+		return false;
-	local noise_obj = minetest.get_perlin(np_temp)
+	end
-	local noise_temp = noise_obj:get2d({x = posx, y = posz})
+	local heat = minetest.get_heat(position)
-
 	-- below 35 heat biome considered to be frozen type
-	return noise_temp < 35
+	return heat < 35
 end
 
 hw_utils.is_biome_frozen = function(position)
 	if mg_name == "v6" then
-		return false -- v6 not supported yet.
+		return false -- v6 not supported.
 	end
 	return is_biome_frozen(position)
 end
 
-local is_biome_dry_v6 = function(position)
-	local posx = math.floor(position.x)
-	local posz = math.floor(position.z)
-	local noise_obj = minetest.get_perlin(np_biome_v6)
-	local noise_biome = noise_obj:get2d({x = posx, y = posz})
-	-- TODO futher investigation needed towards on biome check for v6 mapgen
-	return noise_biome > 0.45
-end
-
 local is_biome_dry = function(position)
-	local posx = math.floor(position.x)
+	if legacy_MT_version then
-	local posz = math.floor(position.z)
+		return false;
-	local noise_obj = minetest.get_perlin(np_humid)
+	end
-	local noise_humid = noise_obj:get2d({x = posx, y = posz})
+	local humidity = minetest.get_humidity(position)
-
+	local heat = minetest.get_heat(position)
-	-- below 50 humid biome considered to be dry type (at least by this mod)
+	return humidity < 50 and heat > 65
-	return noise_humid < 50
 end
 
 hw_utils.is_biome_dry = function(position)
@@ -161,15 +110,14 @@ hw_utils.is_biome_dry = function(position)
 end
 
 local is_biome_tropic = function(position)
-	local posx = math.floor(position.x)
+	if legacy_MT_version then
-	local posz = math.floor(position.z)
+		return false;
-	local noise_obj = minetest.get_perlin(np_humid)
+	end
-	local noise_humid = noise_obj:get2d({x = posx, y = posz})
+	local humidity = minetest.get_humidity(position)
-	noise_obj = minetest.get_perlin(np_temp)
+	local heat = minetest.get_heat(position)
-	local noise_temp = noise_obj:get2d({x = posx, y = posz})
 
 	-- humid and temp values are taked by testing flying around world (not sure actually)
-	return noise_humid > 55 and noise_temp > 80
+	return humidity > 55 and heat > 70
 end
 
 hw_utils.is_biome_tropic = function(position)

weathers/snowstorm.lua

@@ -0,0 +1,203 @@
+----------------------------
+-- Happy Weather: Snowfall
+
+-- License: MIT
+
+-- Credits: xeranas
+----------------------------
+
+local snowstorm = {}
+
+-- Weather identification code
+snowstorm.code = "snowstorm"
+snowstorm.last_check = 0
+snowstorm.check_interval = 300
+snowstorm.chance = 0.05
+
+-- Keeps sound handler references
+local sound_handlers = {}
+
+-- Manual triggers flags
+local manual_trigger_start = false
+local manual_trigger_end = false
+
+-- Skycolor layer id
+local SKYCOLOR_LAYER = "happy_weather_snowstorm_sky"
+
+local set_weather_sound = function(player) 
+	return minetest.sound_play("happy_weather_snowstorm", {
+		object = player,
+		max_hear_distance = 2,
+		loop = true,
+	})
+end
+
+local remove_weather_sound = function(player)
+	local sound = sound_handlers[player:get_player_name()]
+	if sound ~= nil then
+		minetest.sound_stop(sound)
+		sound_handlers[player:get_player_name()] = nil
+	end
+end
+
+snowstorm.is_starting = function(dtime, position)
+	if snowstorm.last_check + snowstorm.check_interval < os.time() then
+		snowstorm.last_check = os.time()
+		if math.random() < snowstorm.chance then
+			return true
+		end
+	end
+
+	if manual_trigger_start then
+		manual_trigger_start = false
+		return true
+	end
+	
+	return false
+end
+
+snowstorm.is_ending = function(dtime)
+	if manual_trigger_end then
+		manual_trigger_end = false
+		return true
+	end
+
+	return false
+end
+
+local set_sky_box = function(player_name)
+	local sl = {}
+	sl.layer_type = skylayer.SKY_PLAIN
+	sl.name = SKYCOLOR_LAYER
+	sl.sky_data = {
+		gradient_colors = {
+			{r=0, g=0, b=0},
+			{r=231, g=234, b=239},
+			{r=0, g=0, b=0}
+		}
+	}
+	skylayer.add_layer(player_name, sl)
+end
+
+snowstorm.in_area = function(position)
+	if hw_utils.is_biome_frozen(position) == false then
+		return false
+	end
+
+	if position.y > 30 and position.y < 140 then
+		return true
+	end
+	return false
+end
+
+snowstorm.add_player = function(player)
+	sound_handlers[player:get_player_name()] = set_weather_sound(player)
+	set_sky_box(player:get_player_name())
+end
+
+snowstorm.remove_player = function(player)
+	remove_weather_sound(player)
+	skylayer.remove_layer(player:get_player_name(), SKYCOLOR_LAYER)
+end
+
+local rain_drop_texture = "happy_weather_snowstorm.png"
+
+local sign = function (number)
+	if number >= 0 then
+		return 1
+	else
+		return -1
+	end
+end
+
+local add_wide_range_rain_particle = function(player)
+	local offset = {
+		front = 7,
+		back = 4,
+		top = 3,
+		bottom = 0
+	}
+
+	local random_pos = hw_utils.get_random_pos(player, offset)
+	local p_pos = player:getpos()
+
+	local look_dir = player:get_look_dir()
+
+	if hw_utils.is_outdoor(random_pos) then
+		minetest.add_particle({
+			pos = {x=random_pos.x, y=random_pos.y, z=random_pos.z},
+		  	velocity = {x = sign(look_dir.x) * -10, y = -1, z = sign(look_dir.z) * -10},
+		  	acceleration = {x = sign(look_dir.x) * -10, y = -1, z = sign(look_dir.z) * -10},
+		  	expirationtime = 0.3,
+		  	size = 30,
+		  	collisiondetection = true,
+		  	texture = "happy_weather_snowstorm.png",
+		  	playername = player:get_player_name()
+		})
+	end
+end
+
+
+-- Random texture getter
+local choice_random_rain_drop_texture = function()
+	local base_name = "happy_weather_light_snow_snowflake_"
+	local number = math.random(1, 3)
+	local extension = ".png"
+	return base_name .. number .. extension
+end
+
+local add_snow_particle = function(player)
+	local offset = {
+		front = 5,
+		back = 2,
+		top = 4
+	}
+
+	local random_pos = hw_utils.get_random_pos(player, offset)
+
+	if hw_utils.is_outdoor(random_pos) then
+		minetest.add_particle({
+			pos = {x=random_pos.x, y=random_pos.y, z=random_pos.z},
+			velocity = {x = math.random(-5,-2.5), y = math.random(-10,-5), z = math.random(-5,-2.5)},
+			acceleration = {x = math.random(-5,-2.5), y=-2.5, z = math.random(-5,-2.5)},
+			expirationtime = 2.0,
+			size = math.random(1, 3),
+			collisiondetection = true,
+			collision_removal = true,
+			vertical = true,
+			texture = choice_random_rain_drop_texture(),
+			playername = player:get_player_name()
+		})
+	end
+end
+
+local display_particles = function(player)
+	if hw_utils.is_underwater(player) then
+		return
+	end
+
+	local particles_number_per_update = 3
+	for i=particles_number_per_update, 1,-1 do
+		add_wide_range_rain_particle(player)
+	end
+
+	local snow_particles_number_per_update = 10
+	for i=snow_particles_number_per_update, 1,-1 do
+		add_snow_particle(player)
+	end
+end
+
+snowstorm.render = function(dtime, player)
+	display_particles(player)
+end
+
+snowstorm.start = function()
+	manual_trigger_start = true
+end
+
+snowstorm.stop = function()
+	manual_trigger_end = true
+end
+
+happy_weather.register_weather(snowstorm)
+