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Respect object property hp_max field for players (#6287)

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* Respect object property hp_max field for players
This allows modders to configure the maximal HP per player

* Statbars: Downscale bar to full 20 HP when exceeding this value
Add default max HP for players and breath constants to builtin
Document the constants

* Rename PLAYER_MAX_HP -> PLAYER_MAX_HP_DEFAULT
This commit is contained in:
SmallJoker 2017-08-23 22:32:10 +02:00 • committed by Loïc Blot
parent d01b65abeb
commit f7d50a8078
9 changed files with 51 additions and 27 deletions
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49
builtin/game/statbars.lua
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@ -6,7 +6,7 @@ local health_bar_definition =
hud_elem_type = "statbar",
position = { x=0.5, y=1 },
text = "heart.png",
number = 20,
number = core.PLAYER_MAX_HP_DEFAULT,
direction = 0,
size = { x=24, y=24 },
offset = { x=(-10*24)-25, y=-(48+24+16)},
@ -37,39 +37,45 @@ local function initialize_builtin_statbars(player)
return
end
if (hud_ids[name] == nil) then
if not hud_ids[name] then
hud_ids[name] = {}
-- flags are not transmitted to client on connect, we need to make sure
-- our current flags are transmitted by sending them actively
player:hud_set_flags(player:hud_get_flags())
end
local hud = hud_ids[name]
if player:hud_get_flags().healthbar and enable_damage then
if hud_ids[name].id_healthbar == nil then
health_bar_definition.number = player:get_hp()
hud_ids[name].id_healthbar = player:hud_add(health_bar_definition)
if hud.id_healthbar == nil then
local hp = player:get_hp()
local max_display_hp = math.max(core.PLAYER_MAX_HP_DEFAULT,
math.max(player:get_properties().hp_max, hp))
-- Limit width of health bar: Scale to the default maximal HP
health_bar_definition.number =
hp / max_display_hp * core.PLAYER_MAX_HP_DEFAULT
hud.id_healthbar = player:hud_add(health_bar_definition)
end
else
if hud_ids[name].id_healthbar ~= nil then
player:hud_remove(hud_ids[name].id_healthbar)
hud_ids[name].id_healthbar = nil
if hud.id_healthbar ~= nil then
player:hud_remove(hud.id_healthbar)
hud.id_healthbar = nil
end
end
if (player:get_breath() < 11) then
if player:get_breath() < core.PLAYER_MAX_BREATH then
if player:hud_get_flags().breathbar and enable_damage then
if hud_ids[name].id_breathbar == nil then
hud_ids[name].id_breathbar = player:hud_add(breath_bar_definition)
if hud.id_breathbar == nil then
hud.id_breathbar = player:hud_add(breath_bar_definition)
end
else
if hud_ids[name].id_breathbar ~= nil then
player:hud_remove(hud_ids[name].id_breathbar)
hud_ids[name].id_breathbar = nil
if hud.id_breathbar ~= nil then
player:hud_remove(hud.id_breathbar)
hud.id_breathbar = nil
end
end
elseif hud_ids[name].id_breathbar ~= nil then
player:hud_remove(hud_ids[name].id_breathbar)
hud_ids[name].id_breathbar = nil
elseif hud.id_breathbar ~= nil then
player:hud_remove(hud.id_breathbar)
hud.id_breathbar = nil
end
end
@ -101,7 +107,12 @@ local function player_event_handler(player,eventname)
initialize_builtin_statbars(player)
if hud_ids[name].id_healthbar ~= nil then
player:hud_change(hud_ids[name].id_healthbar,"number",player:get_hp())
local hp = player:get_hp()
local max_display_hp = math.max(core.PLAYER_MAX_HP_DEFAULT,
math.max(player:get_properties().hp_max, hp))
-- Limit width of health bar: Scale to the default maximal HP
local hp_count = hp / max_display_hp * core.PLAYER_MAX_HP_DEFAULT
player:hud_change(hud_ids[name].id_healthbar, "number", hp_count)
return true
end
end
@ -110,7 +121,7 @@ local function player_event_handler(player,eventname)
initialize_builtin_statbars(player)
if hud_ids[name].id_breathbar ~= nil then
player:hud_change(hud_ids[name].id_breathbar,"number",player:get_breath()*2)
player:hud_change(hud_ids[name].id_breathbar, "number", player:get_breath() * 2)
return true
end
end