mff/minetest_mana
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Add simple HUD support

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This commit is contained in:
Wuzzy 2015-02-02 04:20:38 +01:00
parent f79321e5e8
commit 205084ae1e
1 changed files with 52 additions and 16 deletions
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68
init.lua
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@ -19,23 +19,25 @@ mana.playerlist = {}
]===]
-- Sets the maximum mana of the specified player
function mana.set(playername, mana)
mana.playerlist[playerlist].mana = mana
function mana.set(playername, value)
mana.playerlist[playername].mana = value
mana.hud_update(playername)
end
-- Sets the maximum mana of the specified player
function mana.setmax(playername, maxmana)
mana.playerlist[playerlist].maxmana = maxmana
function mana.setmax(playername, value)
mana.playerlist[playername].maxmana = value
mana.hud_update(playername)
end
-- Returns the current mana of the specified player
function mana.get(playername)
return mana.playerlist[playerlist].mana
return mana.playerlist[playername].mana
end
-- Returns the maximum mana of the specified player
function mana.getmax(playername)
return mana.playerlist[playerlist].maxmana
return mana.playerlist[playername].maxmana
end
--[[
@ -47,17 +49,18 @@ returns:
was no
- false on failure
]]
function mana.add(playername, mana)
function mana.add(playername, value)
local t = mana.playerlist[playername]
if(t ~= nil and mana >= 0) then
if(t ~= nil and value >= 0) then
local excess
if((t.mana + mana) > t.maxmana) then
excess = (t.mana + mana) - t.maxmana
if((t.mana + value) > t.maxmana) then
excess = (t.mana + value) - t.maxmana
t.mana = t.maxmana
else
excess = 0
t.mana = t.mana + mana
t.mana = t.mana + value
end
mana.hud_update(playername)
return true, excess
else
return false
@ -73,10 +76,11 @@ returns:
- true on success, mana has been subtracted
- false on failure, no mana has been subtracted
]]
function mana.subtract(playername, mana)
function mana.subtract(playername, value)
local t = mana.playerlist[playername]
if(t ~= nil and t.mana >= mana and mana >= 0) then
t.mana = t.mana - mana
if(t ~= nil and t.mana >= value and value >= 0) then
t.mana = t.mana -value
mana.hud_update(playername)
return true
else
return false
@ -126,11 +130,13 @@ end
minetest.register_on_dieplayer(function(player)
local playername = player:get_player_name()
mana.set(playername, 0)
mana.hud_update(playername)
end)
minetest.register_on_leaveplayer(function(player)
local playername = player:get_player_name()
mana.hud_remove(playername)
mana.playerlist[playername] = nil
end)
@ -148,12 +154,42 @@ minetest.register_on_joinplayer(function(player)
mana.playerlist[playername].maxmana = 20
end
-- TODO: Update HUD
mana.hud_add(playername)
end)
--[===[
TODO: HUD functions
HUD functions
]===]
function mana.manastring(playername)
return string.format("Mana: %d/%d", mana.get(playername), mana.getmax(playername))
end
function mana.hud_add(playername)
local player = minetest.get_player_by_name(playername)
id = player:hud_add({
hud_elem_type = "text",
position = { x = 1, y=0.3 },
name = "mana",
text = mana.manastring(playername),
scale = { x = 0, y = 0 },
alignment = { x = -1, y = 0},
direction = 1,
number = 0xFFFFFF,
offset = { x = 0, y = 0}
})
mana.playerlist[playername].hudid = id
return id
end
function mana.hud_update(playername)
local player = minetest.get_player_by_name(playername)
player:hud_change(mana.playerlist[playername].hudid, "text", mana.manastring(playername))
end
function mana.hud_remove(playername)
local player = minetest.get_player_by_name(playername)
player:hud_remove(mana.playerlist[playername].hudid)
end