60 lines
1.5 KiB
Lua
60 lines
1.5 KiB
Lua
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local widget
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local last_hp
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local function show_widget()
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widget = minetest.localplayer:hud_add({
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hud_elem_type = "text",
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name = "HP Change",
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text = "Last HP change: ",
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number = 0x00FF00,
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direction = 0,
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position = {x = 0.85, y = 0.8},
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scale = {x = 0.9, y = 0.9},
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alignment = {x = 1, y = 1},
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offset = {x = 0, y = 0}
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})
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end
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local function update_hud(delta)
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if minetest.localplayer ~= nil and delta ~= 0 then
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if widget == nil then
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show_widget()
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end
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local num = tostring(math.abs(delta))
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if delta < 0 then
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num = "-" .. num
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else
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num = "+" .. num
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end
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minetest.localplayer:hud_change(widget, "text", "Last HP change: " .. num)
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if delta > 0 then
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minetest.localplayer:hud_change(widget, "number", 0x00FF00)
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else
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minetest.localplayer:hud_change(widget, "number", 0xFF0000)
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end
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if last_hp ~= nil then
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last_hp = last_hp + delta
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end
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end
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end
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-- health decrease (potential)
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minetest.register_on_damage_taken(function(hp)
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update_hud(-hp)
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end)
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-- health increase
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minetest.register_on_hp_modification(function(hp)
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if last_hp == nil and minetest.localplayer ~= nil then
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last_hp = minetest.localplayer:get_hp()
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end
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if last_hp ~= nil and last_hp <= hp then
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update_hud(hp - last_hp)
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end
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end)
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