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Add minetest.register_on_player_hpchange

This commit is contained in:
TeTpaAka 2015-05-30 16:56:42 +02:00 committed by Nils Dagsson Moskopp
parent c1853e2893
commit 77c2bf43c3
Signed by: erle
GPG Key ID: A3BC671C35191080
1 changed files with 28 additions and 0 deletions
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28
builtin/game/register.lua
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@ -407,6 +407,34 @@ local function make_registration_wrap(reg_fn_name, clear_fn_name)
return list
end
core.registered_on_player_hpchanges = { modifiers = { }, loggers = { } }
function core.registered_on_player_hpchange(player, hp_change)
local last = false
for i = #core.registered_on_player_hpchanges.modifiers, 1, -1 do
local func = core.registered_on_player_hpchanges.modifiers[i]
hp_change, last = func(player, hp_change)
if type(hp_change) ~= "number" then
local debuginfo = debug.getinfo(func)
error("The register_on_hp_changes function has to return a number at " ..
debuginfo.short_src .. " line " .. debuginfo.linedefined)
end
if last then
break
end
end
for i, func in ipairs(core.registered_on_player_hpchanges.loggers) do
func(player, hp_change)
end
return hp_change
end
function core.register_on_player_hpchange(func, modifier)
if modifier then
table.insert(core.registered_on_player_hpchanges.modifiers, func)
else
table.insert(core.registered_on_player_hpchanges.loggers, func)
end
end
core.registered_biomes = make_registration_wrap("register_biome", "clear_registered_biomes")
core.registered_ores = make_registration_wrap("register_ore", "clear_registered_ores")
core.registered_decorations = make_registration_wrap("register_decoration", "clear_registered_decorations")