mtcontrib/minetest_playereffects
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Add effect failure

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The apply function of effects can return false, in that case, the effect
is not applied
This commit is contained in:
Wuzzy
2014-07-14 17:55:48 +02:00
parent 21f053270f
commit 15daa210c4
2 changed files with 35 additions and 3 deletions
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26
examples.lua
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@ -1,4 +1,13 @@
----- EXAMPLE EFFECT TYPES -----
--[[ Null effect. The apply function always returns false, which means applying the
effect will never succeed ]]
playereffects.register_effect_type("null", "No effect", nil, {},
function()
return false
end
)
-- Makes the player screen black for 5 seconds (very experimental!)
playereffects.register_effect_type("blind", "Blind", nil, {},
function(player)
@ -8,7 +17,12 @@ playereffects.register_effect_type("blind", "Blind", nil, {},
scale = { x=-100, y=-100 },
text = "playereffects_example_black.png",
})
return { hudid = hudid }
if(hudid ~= nil) then
return { hudid = hudid }
else
minetest.log("error", "[playereffects] [examples] The effect \"Blind\" could not be applied. The call to hud_add(...) failed.")
return false
end
end,
function(effect)
local player = minetest.get_player_by_name(effect.playername)
@ -91,6 +105,16 @@ playereffects.register_effect_type("stress", "Stress Test Effect", nil, {},
------ Chat commands for the example effects ------
-- Null effect (never succeeds)
minetest.register_chatcommand("null", {
params = "",
description = "Does nothing.",
privs = {},
func = function(name, param)
playereffects.apply_effect_type("null", 5, minetest.get_player_by_name(name))
end,
})
minetest.register_chatcommand("blind", {
params = "",
description = "Makes your screen black for a short time.",