climate_api/lib/trigger.lua

87 lines
2.4 KiB
Lua

local trigger = {}
function trigger.get_player_environment(player)
local ppos = player:get_pos()
local wind_x = climate_mod.state:get_float("wind_x")
local wind_z = climate_mod.state:get_float("wind_z")
local env = {}
env.player = player
env.pos = ppos
env.height = ppos.y
env.wind = vector.new(wind_x, 0, wind_z)
env.windspeed = vector.length(env.wind)
env.heat = climate_api.environment.get_heat(ppos)
env.humidity = climate_api.environment.get_humidity(ppos)
env.time = minetest.get_timeofday()
env.date = minetest.get_day_count()
return env
end
local function test_condition(condition, env, goal)
local value = env[condition:sub(5)]
if condition:sub(1, 4) == "min_" then
return type(value) ~= "nil" and goal <= value
elseif condition:sub(1, 4) == "max_" then
return type(value) ~= "nil" and goal > value
else
Minetest.log("warning", "[Climate API] Invalid effect condition")
return false
end
end
local function is_weather_active(player, weather_config, env)
if type(weather_config.conditions) == "function" then
return weather_config.conditions(env)
end
for condition, goal in pairs(weather_config.conditions) do
if not test_condition(condition, env, goal) then
return false
end
end
return true
end
local function get_weather_effects(player, weather_config, env)
if type(weather_config.effects) == "function" then
return weather_config.effects(env)
end
return weather_config.effects
end
function trigger.get_active_effects()
local environments = {}
for _, player in ipairs(minetest.get_connected_players()) do
environments[player:get_player_name()] = trigger.get_player_environment(player)
end
local effects = {}
for wname, wconfig in pairs(climate_mod.weathers) do
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
local player_effects = get_weather_effects(player, wconfig, env)
for effect, value in pairs(player_effects) do
if type(effects[effect]) == "nil" then
effects[effect] = {}
end
if type(effects[effect][pname]) == "nil" then
effects[effect][pname] = {}
end
effects[effect][pname][wname] = value
end
end
end
end
return effects
end
function trigger.call_handlers(name, effect)
if type(effect) == "nil" then return end
for _, handler in ipairs(climate_mod.effects[name]["tick"]) do
handler(effect)
end
end
return trigger