78 lines
2.2 KiB
Lua
78 lines
2.2 KiB
Lua
local api = {}
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api.SHORT_CYCLE = 0.03 -- for particles and fast animations
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api.DEFAULT_CYCLE = 0.1 -- for most effect types
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api.MEDIUM_CYCLE = 2.0 -- for ressource intensive tasks
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api.LONG_CYCLE = 5.0 -- for write operations and skybox changes
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function api.register_weather(name, conditions, effects)
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-- TODO: check and sanitize
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climate_mod.weathers[name] = {
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conditions = conditions,
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effects = effects,
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active_players = {}
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}
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end
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function api.register_effect(name, handler, htype)
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-- check for valid handler types
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if htype ~= "start" and htype ~= "tick" and htype ~= "stop" then
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minetest.log("warning", "[Climate API] Invalid effect handler type: " .. htype)
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return
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end
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-- create effect handler registry if not existent yet
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if type(climate_mod.effects[name]) == "nil" then
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climate_mod.effects[name] = { start = {}, tick = {}, stop = {} }
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climate_mod.cycles[name] = { timespan = api.DEFAULT_CYCLE, timer = 0 }
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end
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-- store effect handler
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table.insert(climate_mod.effects[name][htype], handler)
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end
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function api.set_effect_cycle(name, cycle)
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climate_mod.cycles[name].timespan = cycle
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end
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--[[function api.register_influence(name, func)
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climate_mod.influences[name] = func
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end]]
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function api.register_abm(config)
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local conditions = config.conditions
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local action = config.action
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local pos_override = config.pos_override
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local override = function(pos, node)
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local env = climate_mod.trigger.get_position_environment(pos)
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if type(pos_override) == "function" then
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pos = pos_override(pos)
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end
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if conditions == nil then
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return action(pos, node, env)
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end
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minetest.log(dump2(env, "env"))
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minetest.log(dump2(conditions, "conditions"))
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for condition, goal in pairs(conditions) do
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local value = env[condition:sub(5)]
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if condition:sub(1, 4) == "min_" then
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if type(value) == "nil" or goal > value then return end
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elseif condition:sub(1, 4) == "max_" then
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if type(value) == "nil" or goal <= value then return end
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else
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value = env[condition]
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if type(value) == "nil" or goal ~= value then return end
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end
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end
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return action(pos, node, env)
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end
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config.conditions = nil
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config.action = override
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minetest.register_abm(config)
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end
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return api
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