83 lines
3.0 KiB
Lua
83 lines
3.0 KiB
Lua
--Copyright © 2014-2020 4aiman, Hugo Locurcio and contributors
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--
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--Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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--
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--The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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--
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--THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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local function round(v)
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return math.floor(v + 0.5)
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end
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-- Localize this functions for better performance,
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-- as it's called on every step
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local vector_distance = vector.distance
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local max = {
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breath = 11,
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hp = 20,
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}
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local mt_5 = minetest.features.object_independent_selectionbox
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function fbrawl.add_hp_bar(player)
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if player and player:is_player() then
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local entity = minetest.add_entity(player:get_pos(), "fantasy_brawl:hp_bar")
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-- Check Minetest version and set required entity heigh
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-- (The entity height offset was changed in Minetest 5.0.0)
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local height = mt_5 and 19 or 9
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entity:set_attach(player, "", {x=0, y=height, z=0}, {x=0, y=0, z=0})
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entity:get_luaentity().wielder = player
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end
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end
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-- credit: https://github.com/minetest/minetest/blob/6de8d77e17017cd5cc7b065d42566b6b1cd076cc/builtin/game/statbars.lua#L30-L37
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local function scaleToDefault(player, field)
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-- Scale "hp" to supported amount
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local current = player["get_" .. field](player)
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local max_display = math.max(player:get_properties()[field .. "_max"], current)
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return round(current / max_display * max[field])
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end
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local add_hp = fbrawl.add_hp_bar
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minetest.register_entity("fantasy_brawl:hp_bar", {
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visual = "sprite",
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visual_size = {x=1, y=1/12, z=1},
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textures = {"blank.png"},
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collisionbox = {0},
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physical = false,
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static_save = false,
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on_step = function(self)
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local player = self.wielder
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local hp_bar = self.object
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local arena = arena_lib.get_arena_by_player(player:get_player_name())
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if not arena then
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hp_bar:remove()
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return
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elseif vector_distance(player:get_pos(), hp_bar:get_pos()) > 3 then -- ?
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hp_bar:remove()
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add_hp(player)
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return
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end
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local hp = scaleToDefault(player, "hp")
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if self.hp ~= hp then
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local health_t = "health_"..hp..".png"
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if hp == 0 then
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health_t = "blank.png"
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end
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hp_bar:set_properties({
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textures = {health_t}
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})
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self.hp = hp
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end
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end
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}) |