Add hud.swap_statbar(), fixes BlockMen/hunger#2
BlockMen
parent
b9b784af04
commit
ec9f4b2875
9
API.txt
9
API.txt
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@ -1,13 +1,18 @@
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function hud.register(name, def)
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hud.register(name, def)
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-- name: statbar name (health, air, hunger, armor already used by default)
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-- def: <HUD item definition> (see below)
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hud.change_item(player, name, def)
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-- player: player object
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-- name: statbar name (health, air, hunger, armor already used by default)
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-- name: statbar name
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-- def: table containing new values
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-- currently supported: number, text and offset
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hud.swap_statbar(player, name1, name2) -- swaps position and offset of statbar with name1 with statbar with name2
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-- player: player object
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-- name1: statbar name
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-- name2: statbar name
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hud.remove_item(player, name)
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HUD item definition
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76
api.lua
76
api.lua
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@ -66,6 +66,55 @@ function hud.register(name, def)
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return true
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end
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-- swaps stabar positions
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function hud.swap_statbar(player, item1, item2)
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if not player or not item1 or not item2 then
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throw_error("Not enough parameters given to swap statbars")
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return false
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end
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local def1 = items[item1] or nil
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local def2 = items[item2] or nil
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if not def1 or not def2 then
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throw_error("Can't swap statbars. Given statbars are not correct")
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return false
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end
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local pos_swap = false
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local p_name = player:get_player_name()
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local elem1 = hud_id[p_name.."_"..item1]
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local elem2 = hud_id[p_name.."_"..item2]
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player:hud_change(elem2.id, "offset", def1.offset)
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player:hud_change(elem1.id, "offset", def2.offset)
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if def1.position.x ~= def2.position.x or def1.position.y ~= def2.position.y then
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player:hud_change(elem2.id, "position", def1.position)
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player:hud_change(elem1.id, "position", def2.position)
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pos_swap = true
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end
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-- do the items have backgrounds? if so, swap them aswell
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local bg1 = hud_id[p_name.."_"..item1.."_bg"] or nil
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local bg2 = hud_id[p_name.."_"..item2.."_bg"] or nil
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if bg1 ~= nil and bg1.id then
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player:hud_change(bg1.id, "offset", def2.offset)
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if pos_swap == true then
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player:hud_change(bg1.id, "position", def2.position)
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end
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end
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if bg2 ~= nil and bg2.id then
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player:hud_change(bg2.id, "offset", def1.offset)
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if pos_swap == true then
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player:hud_change(bg2.id, "position", def1.position)
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end
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end
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return true
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end
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function hud.change_item(player, name, def)
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if not player or not player:is_player() or not name or not def then
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throw_error("Not enough parameters given to change HUD item")
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@ -106,6 +155,7 @@ function hud.change_item(player, name, def)
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if bg and bg.max and bg.max < 1 and def.max and def.max > bg.max then
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player:hud_change(bg.id, "number", def.max)
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bg.max = def.max
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bg.number = def.max
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end
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end
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end
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@ -119,27 +169,9 @@ function hud.change_item(player, name, def)
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if def.offset and elem.offset then
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if def.item_name and def.offset == "item" then
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local i_name2 = player:get_player_name().."_"..def.item_name
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local elem2 = hud_id[i_name2]
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if elem2 then
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local p2 = elem2.offset
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local p1 = elem.offset
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player:hud_change(elem2.id, "offset", p1)
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player:hud_change(elem.id, "offset", p2)
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elem2.offset = p1
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elem.offset = p2
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if elem.background then
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local elem3 = hud_id[i_name.."_bg"]
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if elem3 and elem3.offset then
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player:hud_change(elem3.id, "offset", p2)
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elem3.offset = p2
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local elem4 = hud_id[i_name2.."_bg"]
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if elem4 and elem4.offset then
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player:hud_change(elem4.id, "offset", p1)
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elem4.offset = p1
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end
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end
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end
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-- for legacy reasons
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if def.item_name then
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hud.swap_statbar(player, name, def.item_name)
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end
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else
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player:hud_change(elem.id, "offset", def.offset)
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@ -190,7 +222,7 @@ minetest.register_on_joinplayer(function(player)
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hud_flags.breathbar = false
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player:hud_set_flags(hud_flags)
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-- now add the backgrounds (e.g. for statbars)
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-- now add the backgrounds for statbars
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for _,item in pairs(sb_bg) do
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add_hud_item(player, _.."_bg", item)
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end
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108
builtin.lua
108
builtin.lua
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@ -44,70 +44,70 @@ end
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if damage_enabled then
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hud.register("health", {
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hud_elem_type = "statbar",
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position = HUD_HEALTH_POS,
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size = HUD_SB_SIZE,
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text = "hud_heart_fg.png",
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number = 20,
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alignment = {x = -1, y = -1},
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offset = HUD_HEALTH_OFFSET,
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background = "hud_heart_bg.png",
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events = {
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{
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type = "damage",
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func = function(player)
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hud.change_item(player, "health", {number = player:get_hp()})
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end
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}
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},
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hud_elem_type = "statbar",
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position = HUD_HEALTH_POS,
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size = HUD_SB_SIZE,
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text = "hud_heart_fg.png",
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number = 20,
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alignment = {x = -1, y = -1},
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offset = HUD_HEALTH_OFFSET,
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background = "hud_heart_bg.png",
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events = {
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{
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type = "damage",
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func = function(player)
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hud.change_item(player, "health", {number = player:get_hp()})
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end
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}
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},
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})
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hud.register("air", {
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hud_elem_type = "statbar",
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position = HUD_AIR_POS,
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size = HUD_SB_SIZE,
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text = "hud_air_fg.png",
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number = 0,
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alignment = {x = -1, y = -1},
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offset = HUD_AIR_OFFSET,
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background = nil,
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events = {
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{
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type = "breath",
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func = function(player)
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local air = player:get_breath()
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if air > 10 then
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air = 0
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hud_elem_type = "statbar",
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position = HUD_AIR_POS,
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size = HUD_SB_SIZE,
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text = "hud_air_fg.png",
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number = 0,
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alignment = {x = -1, y = -1},
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offset = HUD_AIR_OFFSET,
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background = nil,
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events = {
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{
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type = "breath",
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func = function(player)
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local air = player:get_breath()
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if air > 10 then
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air = 0
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end
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hud.change_item(player, "air", {number = air * 2})
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end
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hud.change_item(player, "air", {number = air * 2})
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end
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}
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},
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}
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},
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})
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hud.register("armor", {
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hud_elem_type = "statbar",
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position = HUD_ARMOR_POS,
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size = HUD_SB_SIZE,
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text = "hud_armor_fg.png",
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number = 0,
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alignment = {x = -1, y = -1},
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offset = HUD_ARMOR_OFFSET,
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background = "hud_armor_bg.png",
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autohide_bg = true,
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max = 20,
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hud_elem_type = "statbar",
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position = HUD_ARMOR_POS,
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size = HUD_SB_SIZE,
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text = "hud_armor_fg.png",
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number = 0,
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alignment = {x = -1, y = -1},
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offset = HUD_ARMOR_OFFSET,
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background = "hud_armor_bg.png",
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autohide_bg = true,
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max = 20,
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})
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hud.register("hunger", {
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hud_elem_type = "statbar",
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position = HUD_HUNGER_POS,
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size = HUD_SB_SIZE,
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text = "hud_hunger_fg.png",
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number = 0,
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alignment = {x = -1, y = -1},
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offset = HUD_HUNGER_OFFSET,
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background = "hud_hunger_bg.png",
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max = 0,
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hud_elem_type = "statbar",
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position = HUD_HUNGER_POS,
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size = HUD_SB_SIZE,
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text = "hud_hunger_fg.png",
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number = 0,
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alignment = {x = -1, y = -1},
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offset = HUD_HUNGER_OFFSET,
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background = "hud_hunger_bg.png",
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max = 0,
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})
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else
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hud.show_armor = false
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