Mirrorlandia_minetest/minetest_hudbars
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Add new function: hb.get_hudbar_state

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Wuzzy 2015-02-12 04:26:39 +01:00
parent c2e2a377e6
commit eb4e72c5a4
2 changed files with 34 additions and 0 deletions
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20
API.md
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@ -152,3 +152,23 @@ Makes a previously hidden HUD bar visible again to a player.
#### Return value #### Return value
Always `nil`. Always `nil`.
## Reading HUD bar information
It is also possible to read information about an active HUD bar.
### `hb.get_hudbar_state(player, identifier)`
Returns the current state of the active player's HUD bar.
#### Parameters
* `player`: `ObjectRef` of the player to which the HUD bar belongs to
* `identifier`: The identifier of the HUD bar type to hide, as specified in `hb.register_hudbar`.
#### Return value
A table which holds information on the current state of the HUD bar. Note the table is a partial
copy of the internal HUD bar state, it is *not* a reference; the information hold by the table is
only true for the moment you called this function. The fields of this table are:
* `value`: Current value of HUD bar
* `max`: Current maximum value of HUD bar
* `hidden`: Boolean denoting whether the HUD bar is hidden
* `barlength`: The length of the HUD bar in pixels. This field is meaningless if the HUD bar is currently hidden.
* `text`: The text shown on the HUD bar. This fiels is meaningless if the HUD bar is currently hidden.

14
init.lua
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@ -105,6 +105,7 @@ function hb.register_hudbar(identifier, text_color, label, textures, default_sta
direction = 0, direction = 0,
offset = { x = offset.x + 2, y = offset.y }, offset = { x = offset.x + 2, y = offset.y },
}) })
-- Do not forget to update hb.get_hudbar_state if you add new fields to the state table
state.hidden = start_hidden state.hidden = start_hidden
state.value = start_value state.value = start_value
state.max = start_max state.max = start_max
@ -214,6 +215,19 @@ function hb.unhide_hudbar(player, identifier)
end end
end end
function hb.get_hudbar_state(player, identifier)
local ref = hb.get_hudtable(identifier).hudstate[player:get_player_name()]
-- Do not forget to update this chunk of code in case the state changes
local copy = {
hidden = ref.hidden,
value = ref.value,
max = ref.max,
text = ref.text,
barlength = ref.barlength,
}
return copy
end
--register built-in HUD bars --register built-in HUD bars
hb.register_hudbar("health", 0xFFFFFF, "Health", { bar = "hudbars_bar_health.png", icon = "hudbars_icon_health.png" }, 20, 20, false) hb.register_hudbar("health", 0xFFFFFF, "Health", { bar = "hudbars_bar_health.png", icon = "hudbars_icon_health.png" }, 20, 20, false)
hb.register_hudbar("breath", 0xFFFFFF, "Breath", { bar = "hudbars_bar_breath.png", icon = "hudbars_icon_breath.png" }, 10, 10, true) hb.register_hudbar("breath", 0xFFFFFF, "Breath", { bar = "hudbars_bar_breath.png", icon = "hudbars_icon_breath.png" }, 10, 10, true)