261 lines
7.4 KiB
Lua
261 lines
7.4 KiB
Lua
----- EXAMPLE EFFECT TYPES -----
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--[[ This is just a helper function to inform the user of the chat command
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of the result and, if successful, shows the effect ID. ]]
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local function notify(name, retcode)
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if(retcode == false) then
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minetest.chat_send_player(name, "Effect application failed. Effect was NOT applied.")
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else
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minetest.chat_send_player(name, "Effect applied. Effect ID: "..tostring(retcode))
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end
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end
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--[[ Null effect. The apply function always returns false, which means applying the
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effect will never succeed ]]
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playereffects.register_effect_type("null", "No effect", nil, {},
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function()
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return false
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end
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)
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-- Makes the player screen black for 5 seconds (very experimental!)
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playereffects.register_effect_type("blind", "Blind", nil, {},
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function(player)
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local hudid = player:hud_add({
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hud_elem_type = "image",
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position = { x=0.5, y=0.5 },
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scale = { x=-100, y=-100 },
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text = "playereffects_example_black.png",
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})
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if(hudid ~= nil) then
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return { hudid = hudid }
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else
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minetest.log("error", "[playereffects] [examples] The effect \"Blind\" could not be applied. The call to hud_add(...) failed.")
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return false
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end
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end,
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function(effect, player)
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player:hud_remove(effect.metadata.hudid)
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end
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)
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-- Makes the user faster
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playereffects.register_effect_type("high_speed", "High speed", nil, {"speed"},
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function(player)
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player:set_physics_override(4,nil,nil)
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end,
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function(effect, player)
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player:set_physics_override(1,nil,nil)
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end
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)
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-- Makes the user faster (hidden effect)
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playereffects.register_effect_type("high_speed_hidden", "High speed", nil, {"speed"},
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function(player)
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player:set_physics_override(4,nil,nil)
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end,
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function(effect, player)
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player:set_physics_override(1,nil,nil)
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end,
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true
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)
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-- Slows the user down
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playereffects.register_effect_type("low_speed", "Low speed", nil, {"speed"},
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function(player)
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player:set_physics_override(0.25,nil,nil)
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end,
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function(effect, player)
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player:set_physics_override(1,nil,nil)
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end
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)
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-- Increases the jump height
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playereffects.register_effect_type("highjump", "Greater jump height", "playereffects_example_highjump.png", {"jump"},
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function(player)
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player:set_physics_override(nil,2,nil)
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end,
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function(effect, player)
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player:set_physics_override(nil,1,nil)
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end
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)
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-- Adds the “fly” privilege. Keep the privilege even if the player dies
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playereffects.register_effect_type("fly", "Fly mode available", "playereffects_example_fly.png", {"fly"},
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function(player)
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local playername = player:get_player_name()
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local privs = minetest.get_player_privs(playername)
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privs.fly = true
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minetest.set_player_privs(playername, privs)
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end,
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function(effect, player)
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local privs = minetest.get_player_privs(effect.playername)
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privs.fly = nil
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minetest.set_player_privs(effect.playername, privs)
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end,
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false, -- not hidden
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false -- do NOT cancel the effect on death
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)
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-- Repeating effect type: Adds 1 HP per second
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playereffects.register_effect_type("regen", "Regeneration", "heart.png", {"health"},
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function(player)
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player:set_hp(player:get_hp()+1)
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end,
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nil, nil, nil, 1
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)
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-- Repeating effect type: Adds 1 HP per 3 seconds
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playereffects.register_effect_type("slowregen", "Slow Regeneration", "heart.png", {"health"},
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function(player)
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player:set_hp(player:get_hp()+1)
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end,
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nil, nil, nil, 15
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)
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-- Dummy effect for the stress test
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playereffects.register_effect_type("stress", "Stress Test Effect", nil, {},
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function(player)
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end,
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function(effect, player)
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end
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)
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------ Chat commands for the example effects ------
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-- Null effect (never succeeds)
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minetest.register_chatcommand("null", {
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params = "",
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description = "Does nothing.",
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privs = {},
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func = function(name, param)
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local ret = playereffects.apply_effect_type("null", 5, minetest.get_player_by_name(name))
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notify(name, ret)
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end,
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})
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minetest.register_chatcommand("blind", {
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params = "",
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description = "Makes your screen black for a short time.",
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privs = {},
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func = function(name, param)
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local ret = playereffects.apply_effect_type("blind", 5, minetest.get_player_by_name(name))
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notify(name, ret)
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end,
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})
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minetest.register_chatcommand("fast", {
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params = "",
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description = "Makes you fast for a short time.",
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privs = {},
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func = function(name, param)
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local ret = playereffects.apply_effect_type("high_speed", 10, minetest.get_player_by_name(name))
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notify(name, ret)
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end,
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})
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minetest.register_chatcommand("hfast", {
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params = "",
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description = "Makes you fast for a short time (hidden effect).",
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privs = {},
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func = function(name, param)
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local ret = playereffects.apply_effect_type("high_speed_hidden", 10, minetest.get_player_by_name(name))
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notify(name, ret)
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end,
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})
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minetest.register_chatcommand("slow", {
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params = "",
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description = "Makes you slow for a long time.",
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privs = {},
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func = function(name, param)
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local ret = playereffects.apply_effect_type("low_speed", 120, minetest.get_player_by_name(name))
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notify(name, ret)
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end,
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})
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minetest.register_chatcommand("highjump", {
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params = "",
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description = "Makes you jump higher for a short time.",
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privs = {},
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func = function(name, param)
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local ret = playereffects.apply_effect_type("highjump", 20, minetest.get_player_by_name(name))
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notify(name, ret)
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end,
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})
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minetest.register_chatcommand("fly", {
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params = "",
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description = "Grants you the fly privilege for a minute. You keep the effect when you die.",
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privs = {},
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func = function(name, param)
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local ret = playereffects.apply_effect_type("fly", 60, minetest.get_player_by_name(name))
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notify(name, ret)
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end,
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})
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minetest.register_chatcommand("regen", {
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params = "",
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description = "Gives you 1 half heart per second 10 times, healing you by 5 hearts in total.",
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privs = {},
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func = function(name, param)
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local ret = playereffects.apply_effect_type("regen", 10, minetest.get_player_by_name(name))
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notify(name, ret)
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end,
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})
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minetest.register_chatcommand("slowregen", {
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params = "",
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description = "Gives you 1 half heart every 3 seconds 10 times, healing you by 5 hearts in total.",
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privs = {},
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func = function(name, param)
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local ret = playereffects.apply_effect_type("slowregen", 10, minetest.get_player_by_name(name))
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notify(name, ret)
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end,
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})
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--[[
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Cancel all active effects
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]]
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minetest.register_chatcommand("cancelall", {
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params = "",
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description = "Cancels all your effects.",
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privs = {},
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func = function(name, param)
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local effects = playereffects.get_player_effects(name)
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for e=1, #effects do
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playereffects.cancel_effect(effects[e].effect_id)
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end
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minetest.chat_send_player(name, "All effects cancelled.")
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end,
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})
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--[[ The stress test applies a shitload of effects at once.
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This is used to test the performance of this mod at very large effect numbers. ]]
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minetest.register_chatcommand("stresstest", {
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params = "[<effects>]",
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descriptions = "Start the stress test for Player Effects with <effects> effects.",
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privs = {server=true},
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func = function(name, param)
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local player = minetest.get_player_by_name(name)
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local max = 100
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if(type(param)=="string") then
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if(type(tonumber(param)) == "number") then
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max = tonumber(param)
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end
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end
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minetest.debug("[playereffects] Stress test started for "..name.." with "..max.." effects.")
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for i=1,max do
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playereffects.apply_effect_type("stress", math.random(6,60), player)
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if(i%100==0) then
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minetest.debug("[playereffects] Effect "..i.." of "..max.." applied.")
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minetest.chat_send_player(name, "[playereffects] Effect "..i.." of "..max.." applied.")
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end
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end
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end
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})
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