Add chat commands for forcing weather presets

TODO.md

@@ -1,19 +1,23 @@
 # TODO
 
 ## Required for MVP
-- Test non-random heat and humidity values
+- Find good values for weather conditions
 - Make sure all weather presets are working
+- Add light level to possible conditions
+
+## Required for Beta
+- Implement fallback for sky changes without skylayer
+- Ability to register environment conditions dynamically (like the heat)
+- Implement ABM system for additional effects
+- Implement snow layers, puddles, soil hydration, fire extinguishing
 
 ## Planned for first release
 - Improve test_condition function
-- Implement ABM system for additional effects
-- Add light level to possible conditions
-- Implement fallback for sky changes without skylayer
 - Write helpful README
-- Find good values for weather conditions
 - 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
@@ -23,10 +27,9 @@
 - Optimize performance by replacing some particles with animated texture planes
 - Make switches between effects more smooth
 - Adjust size of particle boxes based on player speed
-- Ability to register environment conditions dynamically (like the heat)
 - Create conditions for time of day, annual progression, biome filters
-- Let rain extinguish flames
+- Fork lightning so that it uses skylayer
-- Ability to force toggle weather presets on / off with chat commands
+- Support for sail boats mod
 
 ## Future Plans & Ideas
 - Complete season system
@@ -35,6 +38,7 @@
 	- holidays and reminders via chat commands
 	- day/night cycle adjusted to season
 	- special events like a bloodmoon -> increased mob spawns
+	- water can freeze over in winter
 - Fantasy weather effects
 	- pretty skyboxes
 	- swirling flower petals, mushroom spores, etc. in fitting biomes

init.lua

@@ -33,12 +33,13 @@ climate_mod.settings = {
 }
 
 -- initiate empty registers
-climate_mod.current_weather = {}
-climate_mod.current_effects = {}
 climate_mod.weathers = {}
 climate_mod.effects = {}
 climate_mod.cycles = {}
 climate_mod.influences = {}
+climate_mod.current_weather = {}
+climate_mod.current_effects = {}
+climate_mod.forced_weather = {}
 
 -- import core API
 climate_mod.state = dofile(modpath .. "/lib/datastorage.lua")

lib/commands.lua

@@ -79,11 +79,54 @@ minetest.register_chatcommand("set_humidity", {
 
 minetest.register_chatcommand("weather_settings", {
 	description = "Print the active Climate API configuration",
-	privs = { weather = true },
 	func = function(playername)
 		minetest.chat_send_player(playername, "Current Settings\n================")
 		for setting, value in pairs(climate_mod.settings) do
 			minetest.chat_send_player(playername, dump2(value, setting))
 		end
 	end
+})
+
+minetest.register_chatcommand("set_weather", {
+	params ="<weather> <status>",
+	description ="Turn the specified weather preset on or off for all players or reset it to automatic",
+	privs = { weather = true },
+	func = function(playername, param)
+		local arguments = {}
+		for w in param:gmatch("%S+") do table.insert(arguments, w) end
+		local weather = arguments[1]
+		if climate_mod.weathers[weather] == nil then
+			minetest.chat_send_player(playername, "Unknown weather preset")
+			return
+		end
+		local status
+		if arguments[2] == "on" then
+			status = true
+		elseif arguments[2] == "off" then
+			status = false
+		elseif arguments[2] == "auto" then
+			status = nil
+		else
+			minetest.chat_send_player(playername, "Invalid weather status. Set the preset to either on, off or auto.")
+			return
+		end
+		climate_mod.forced_weather[weather] = status
+		minetest.chat_send_player(playername, "Weather " .. weather .. " successfully set to " .. arguments[2])
+	end
+})
+
+minetest.register_chatcommand("weather_status", {
+	description = "Prints which weather presets are enforced or disabled",
+	func = function(playername)
+		minetest.chat_send_player(playername, "Current activation rules:\n================")
+		for weather, _ in pairs(climate_mod.weathers) do
+			local status = "auto"
+			if climate_mod.forced_weather[weather] == true then
+				status = "on"
+			elseif climate_mod.forced_weather[weather] == false then
+				status = "off"
+			end
+			minetest.chat_send_player(playername, dump2(status, weather))
+		end
+	end
 })

lib/trigger.lua

@@ -30,11 +30,15 @@ local function test_condition(condition, env, goal)
 	end
 end
 
-local function is_weather_active(player, weather_config, env)
+local function is_weather_active(player, weather, env)
-	if type(weather_config.conditions) == "function" then
+	if climate_mod.forced_weather[weather] ~= nil then
-		return weather_config.conditions(env)
+		return climate_mod.forced_weather[weather]
 	end
-	for condition, goal in pairs(weather_config.conditions) do
+	local config = climate_mod.weathers[weather]
+	if type(config.conditions) == "function" then
+		return config.conditions(env)
+	end
+	for condition, goal in pairs(config.conditions) do
 		if not test_condition(condition, env, goal) then
 			return false
 		end
@@ -70,7 +74,7 @@ function trigger.get_active_effects()
 		for _, player in ipairs(minetest.get_connected_players()) do
 			local pname = player:get_player_name()
 			local env = environments[pname]
-			if is_weather_active(player, wconfig, env) then
+			if is_weather_active(player, wname, env) then
 				if type(climate_mod.current_weather[pname]) == "nil" then
 					climate_mod.current_weather[pname] = {}
 				end