forked from mtcontrib/minetest_hudbars
492 lines
16 KiB
Lua
492 lines
16 KiB
Lua
hb = {}
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hb.hudtables = {}
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-- number of registered HUD bars
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hb.hudbars_count = 0
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-- table which records which HUD bar slots have been “registered” so far; used for automatic positioning
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hb.registered_slots = {}
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hb.settings = {}
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function hb.load_setting(sname, stype, defaultval, valid_values)
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local sval
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if stype == "string" then
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sval = minetest.setting_get(sname)
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elseif stype == "bool" then
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sval = minetest.setting_getbool(sname)
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elseif stype == "number" then
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sval = tonumber(minetest.setting_get(sname))
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end
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if sval ~= nil then
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if valid_values ~= nil then
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local valid = false
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for i=1,#valid_values do
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if sval == valid_values[i] then
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valid = true
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end
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end
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if not valid then
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minetest.log("error", "[hudbars] Invalid value for "..sname.."! Using default value ("..tostring(defaultval)..").")
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return defaultval
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else
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return sval
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end
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else
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return sval
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end
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else
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return defaultval
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end
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end
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-- (hardcoded) default settings
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hb.settings.max_bar_length = 160
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hb.settings.statbar_length = 20
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-- statbar positions
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hb.settings.pos_left = {}
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hb.settings.pos_right = {}
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hb.settings.start_offset_left = {}
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hb.settings.start_offset_right= {}
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hb.settings.pos_left.x = hb.load_setting("hudbars_pos_left_x", "number", 0.5)
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hb.settings.pos_left.y = hb.load_setting("hudbars_pos_left_y", "number", 1)
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hb.settings.pos_right.x = hb.load_setting("hudbars_pos_right_x", "number", 0.5)
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hb.settings.pos_right.y = hb.load_setting("hudbars_pos_right_y", "number", 1)
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hb.settings.start_offset_left.x = hb.load_setting("hudbars_start_offset_left_x", "number", -175)
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hb.settings.start_offset_left.y = hb.load_setting("hudbars_start_offset_left_y", "number", -86)
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hb.settings.start_offset_right.x = hb.load_setting("hudbars_start_offset_right_x", "number", 15)
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hb.settings.start_offset_right.y = hb.load_setting("hudbars_start_offset_right_y", "number", -86)
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hb.settings.vmargin = hb.load_setting("hudbars_vmargin", "number", 24)
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hb.settings.tick = hb.load_setting("hudbars_tick", "number", 0.1)
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-- experimental setting: Changing this setting is not officially supported, do NOT rely on it!
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hb.settings.forceload_default_hudbars = hb.load_setting("hudbars_forceload_default_hudbars", "bool", true)
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--[[
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- hudbars_alignment_pattern: This setting changes the way the HUD bars are ordered on the display. You can choose
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between a zig-zag pattern or a vertically stacked pattern.
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The following values are allowed:
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zigzag: Starting from the left bottom, the next is right from the first,
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the next is above the first, the next is right of the third, etc.
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This is the default.
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stack_up: The HUD bars are stacked vertically, going upwards.
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stack_down: The HUD bars are stacked vertically, going downwards.
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]]
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-- Misc. settings
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hb.settings.alignment_pattern = hb.load_setting("hudbars_alignment_pattern", "string", "zigzag", {"zigzag", "stack_up", "stack_down"})
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hb.settings.bar_type = hb.load_setting("hudbars_bar_type", "string", "progress_bar", {"progress_bar", "statbar_classic", "statbar_modern"})
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hb.settings.autohide_breath = hb.load_setting("hudbars_autohide_breath", "bool", true)
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local sorting = minetest.setting_get("hudbars_sorting")
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if sorting ~= nil then
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hb.settings.sorting = {}
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hb.settings.sorting_reverse = {}
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for k,v in string.gmatch(sorting, "(%w+)=(%w+)") do
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hb.settings.sorting[k] = tonumber(v)
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hb.settings.sorting_reverse[tonumber(v)] = k
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end
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else
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hb.settings.sorting = { ["health"] = 0, ["breath"] = 1 }
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hb.settings.sorting_reverse = { [0] = "health", [1] = "breath" }
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end
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-- Table which contains all players with active default HUD bars (only for internal use)
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hb.players = {}
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function hb.value_to_barlength(value, max)
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if max == 0 then
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return 0
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else
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if hb.settings.bar_type == "progress_bar" then
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local x
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if value < 0 then x=-0.5 else x = 0.5 end
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local ret = math.modf((value/max) * hb.settings.max_bar_length + x)
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return ret
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else
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local x
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if value < 0 then x=-0.5 else x = 0.5 end
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local ret = math.modf((value/max) * hb.settings.statbar_length + x)
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return ret
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end
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end
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end
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function hb.get_hudtable(identifier)
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return hb.hudtables[identifier]
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end
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function hb.get_hudbar_position_index(identifier)
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if hb.settings.sorting[identifier] ~= nil then
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return hb.settings.sorting[identifier]
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else
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local i = 0
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while true do
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if hb.registered_slots[i] ~= true and hb.settings.sorting_reverse[i] == nil then
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return i
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end
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i = i + 1
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end
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end
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end
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function hb.register_hudbar(identifier, text_color, label, textures, default_start_value, default_start_max, default_start_hidden, format_string)
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minetest.log("action", "hb.register_hudbar: "..tostring(identifier))
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local hudtable = {}
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local pos, offset
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local index = math.floor(hb.get_hudbar_position_index(identifier))
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hb.registered_slots[index] = true
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if hb.settings.alignment_pattern == "stack_up" then
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pos = hb.settings.pos_left
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offset = {
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x = hb.settings.start_offset_left.x,
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y = hb.settings.start_offset_left.y - hb.settings.vmargin * index
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}
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elseif hb.settings.alignment_pattern == "stack_down" then
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pos = hb.settings.pos_left
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offset = {
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x = hb.settings.start_offset_left.x,
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y = hb.settings.start_offset_left.y + hb.settings.vmargin * index
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}
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else
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if index % 2 == 0 then
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pos = hb.settings.pos_left
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offset = {
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x = hb.settings.start_offset_left.x,
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y = hb.settings.start_offset_left.y - hb.settings.vmargin * (index/2)
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}
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else
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pos = hb.settings.pos_right
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offset = {
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x = hb.settings.start_offset_right.x,
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y = hb.settings.start_offset_right.y - hb.settings.vmargin * ((index-1)/2)
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}
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end
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end
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if format_string == nil then
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format_string = "%s: %d/%d"
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end
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hudtable.add_all = function(player, hudtable, start_value, start_max, start_hidden)
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if start_value == nil then start_value = hudtable.default_start_value end
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if start_max == nil then start_max = hudtable.default_start_max end
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if start_hidden == nil then start_hidden = hudtable.default_start_hidden end
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local ids = {}
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local state = {}
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local name = player:get_player_name()
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local bgscale, iconscale, text, barnumber
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if start_max == 0 or start_hidden then
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bgscale = { x=0, y=0 }
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else
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bgscale = { x=1, y=1 }
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end
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if start_hidden then
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iconscale = { x=0, y=0 }
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barnumber = 0
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text = ""
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else
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iconscale = { x=1, y=1 }
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barnumber = hb.value_to_barlength(start_value, start_max)
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text = string.format(format_string, label, start_value, start_max)
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end
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if hb.settings.bar_type == "progress_bar" then
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ids.bg = player:hud_add({
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hud_elem_type = "image",
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position = pos,
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scale = bgscale,
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text = "hudbars_bar_background.png",
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alignment = {x=1,y=1},
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offset = { x = offset.x - 1, y = offset.y - 1 },
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})
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if textures.icon ~= nil then
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ids.icon = player:hud_add({
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hud_elem_type = "image",
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position = pos,
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scale = iconscale,
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text = textures.icon,
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alignment = {x=-1,y=1},
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offset = { x = offset.x - 3, y = offset.y },
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})
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end
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elseif hb.settings.bar_type == "statbar_modern" then
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if textures.bgicon ~= nil then
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ids.bg = player:hud_add({
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hud_elem_type = "statbar",
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position = pos,
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scale = bgscale,
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text = textures.bgicon,
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number = hb.settings.statbar_length,
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alignment = {x=-1,y=-1},
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offset = { x = offset.x, y = offset.y },
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})
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end
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end
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local bar_image
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if hb.settings.bar_type == "progress_bar" then
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bar_image = textures.bar
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elseif hb.settings.bar_type == "statbar_classic" or hb.settings.bar_type == "statbar_modern" then
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bar_image = textures.icon
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end
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ids.bar = player:hud_add({
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hud_elem_type = "statbar",
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position = pos,
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text = bar_image,
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number = barnumber,
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alignment = {x=-1,y=-1},
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offset = offset,
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})
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if hb.settings.bar_type == "progress_bar" then
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ids.text = player:hud_add({
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hud_elem_type = "text",
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position = pos,
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text = text,
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alignment = {x=1,y=1},
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number = text_color,
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direction = 0,
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offset = { x = offset.x + 2, y = offset.y },
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})
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end
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-- Do not forget to update hb.get_hudbar_state if you add new fields to the state table
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state.hidden = start_hidden
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state.value = start_value
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state.max = start_max
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state.text = text
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state.barlength = hb.value_to_barlength(start_value, start_max)
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local main_error_text =
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"[hudbars] Bad initial values of HUD bar identifier “"..tostring(identifier).."” for player "..name..". "
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if start_max < start_value then
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minetest.log("error", main_error_text.."start_max ("..start_max..") is smaller than start_value ("..start_value..")!")
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end
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if start_max < 0 then
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minetest.log("error", main_error_text.."start_max ("..start_max..") is smaller than 0!")
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end
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if start_value < 0 then
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minetest.log("error", main_error_text.."start_value ("..start_value..") is smaller than 0!")
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end
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hb.hudtables[identifier].hudids[name] = ids
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hb.hudtables[identifier].hudstate[name] = state
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end
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hudtable.identifier = identifier
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hudtable.format_string = format_string
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hudtable.label = label
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hudtable.hudids = {}
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hudtable.hudstate = {}
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hudtable.default_start_hidden = default_start_hidden
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hudtable.default_start_value = default_start_value
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hudtable.default_start_max = default_start_max
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hb.hudbars_count= hb.hudbars_count + 1
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hb.hudtables[identifier] = hudtable
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end
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function hb.init_hudbar(player, identifier, start_value, start_max, start_hidden)
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local hudtable = hb.get_hudtable(identifier)
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hb.hudtables[identifier].add_all(player, hudtable, start_value, start_max, start_hidden)
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end
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function hb.change_hudbar(player, identifier, new_value, new_max_value)
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if new_value == nil and new_max_value == nil then
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return
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end
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local name = player:get_player_name()
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local hudtable = hb.get_hudtable(identifier)
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local value_changed, max_changed = false, false
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if new_value ~= nil then
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if new_value ~= hudtable.hudstate[name].value then
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hudtable.hudstate[name].value = new_value
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value_changed = true
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end
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else
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new_value = hudtable.hudstate[name].value
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end
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if new_max_value ~= nil then
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if new_max_value ~= hudtable.hudstate[name].max then
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hudtable.hudstate[name].max = new_max_value
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max_changed = true
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end
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else
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new_max_value = hudtable.hudstate[name].max
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end
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local main_error_text =
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"[hudbars] Bad call to hb.change_hudbar, identifier: “"..tostring(identifier).."”, player name: “"..name.."”. "
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if new_max_value < new_value then
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minetest.log("error", main_error_text.."new_max_value ("..new_max_value..") is smaller than new_value ("..new_value..")!")
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end
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if new_max_value < 0 then
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minetest.log("error", main_error_text.."new_max_value ("..new_max_value..") is smaller than 0!")
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end
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if new_value < 0 then
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minetest.log("error", main_error_text.."new_value ("..new_value..") is smaller than 0!")
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end
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if hudtable.hudstate[name].hidden == false then
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if max_changed and hb.settings.bar_type == "progress_bar" then
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if hudtable.hudstate[name].max == 0 then
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player:hud_change(hudtable.hudids[name].bg, "scale", {x=0,y=0})
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else
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player:hud_change(hudtable.hudids[name].bg, "scale", {x=1,y=1})
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end
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end
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if value_changed or max_changed then
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local new_barlength = hb.value_to_barlength(new_value, new_max_value)
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if new_barlength ~= hudtable.hudstate[name].barlength then
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player:hud_change(hudtable.hudids[name].bar, "number", hb.value_to_barlength(new_value, new_max_value))
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hudtable.hudstate[name].barlength = new_barlength
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end
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if hb.settings.bar_type == "progress_bar" then
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local new_text = string.format(hudtable.format_string, hudtable.label, new_value, new_max_value)
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if new_text ~= hudtable.hudstate[name].text then
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player:hud_change(hudtable.hudids[name].text, "text", new_text)
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hudtable.hudstate[name].text = new_text
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end
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end
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end
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end
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end
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function hb.hide_hudbar(player, identifier)
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local name = player:get_player_name()
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local hudtable = hb.get_hudtable(identifier)
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if(hudtable.hudstate[name].hidden == false) then
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if hb.settings.bar_type == "progress_bar" then
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if hudtable.hudids[name].icon ~= nil then
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player:hud_change(hudtable.hudids[name].icon, "scale", {x=0,y=0})
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end
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player:hud_change(hudtable.hudids[name].bg, "scale", {x=0,y=0})
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player:hud_change(hudtable.hudids[name].text, "text", "")
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end
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player:hud_change(hudtable.hudids[name].bar, "number", 0)
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hudtable.hudstate[name].hidden = true
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end
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end
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function hb.unhide_hudbar(player, identifier)
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local name = player:get_player_name()
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local hudtable = hb.get_hudtable(identifier)
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if(hudtable.hudstate[name].hidden) then
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local name = player:get_player_name()
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local value = hudtable.hudstate[name].value
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local max = hudtable.hudstate[name].max
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if hb.settings.bar_type == "progress_bar" then
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if hudtable.hudids[name].icon ~= nil then
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player:hud_change(hudtable.hudids[name].icon, "scale", {x=1,y=1})
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end
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if hudtable.hudstate[name].max ~= 0 then
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player:hud_change(hudtable.hudids[name].bg, "scale", {x=1,y=1})
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end
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player:hud_change(hudtable.hudids[name].text, "text", tostring(string.format(hudtable.format_string, hudtable.label, value, max)))
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end
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player:hud_change(hudtable.hudids[name].bar, "number", hb.value_to_barlength(value, max))
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hudtable.hudstate[name].hidden = false
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end
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end
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function hb.get_hudbar_state(player, identifier)
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local ref = hb.get_hudtable(identifier).hudstate[player:get_player_name()]
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-- Do not forget to update this chunk of code in case the state changes
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local copy = {
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hidden = ref.hidden,
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value = ref.value,
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max = ref.max,
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text = ref.text,
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barlength = ref.barlength,
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}
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return copy
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end
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--register built-in HUD bars
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if minetest.setting_getbool("enable_damage") or hb.settings.forceload_default_hudbars then
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hb.register_hudbar("health", 0xFFFFFF, "Health", { bar = "hudbars_bar_health.png", icon = "hudbars_icon_health.png", bgicon = "hudbars_bgicon_health.png" }, 20, 20, false)
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hb.register_hudbar("breath", 0xFFFFFF, "Breath", { bar = "hudbars_bar_breath.png", icon = "hudbars_icon_breath.png" }, 10, 10, true)
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end
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local function hide_builtin(player)
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local flags = player:hud_get_flags()
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flags.healthbar = false
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flags.breathbar = false
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player:hud_set_flags(flags)
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end
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local function custom_hud(player)
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if minetest.setting_getbool("enable_damage") or hb.settings.forceload_default_hudbars then
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local hide
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if minetest.setting_getbool("enable_damage") then
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hide = false
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else
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hide = true
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end
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hb.init_hudbar(player, "health", player:get_hp(), nil, hide)
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local breath = player:get_breath()
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local hide_breath
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if breath == 11 and hb.settings.autohide_breath == true then hide_breath = true else hide_breath = false end
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hb.init_hudbar(player, "breath", math.min(breath, 10), nil, hide_breath or hide)
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end
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end
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-- update built-in HUD bars
|
|
local function update_hud(player)
|
|
if minetest.setting_getbool("enable_damage") then
|
|
if hb.settings.forceload_default_hudbars then
|
|
hb.unhide_hudbar(player, "health")
|
|
end
|
|
--air
|
|
local breath = player:get_breath()
|
|
|
|
if breath == 11 and hb.settings.autohide_breath == true then
|
|
hb.hide_hudbar(player, "breath")
|
|
else
|
|
hb.unhide_hudbar(player, "breath")
|
|
hb.change_hudbar(player, "breath", math.min(breath, 10))
|
|
end
|
|
|
|
--health
|
|
hb.change_hudbar(player, "health", player:get_hp())
|
|
elseif hb.settings.forceload_default_hudbars then
|
|
hb.hide_hudbar(player, "health")
|
|
hb.hide_hudbar(player, "breath")
|
|
end
|
|
end
|
|
|
|
minetest.register_on_joinplayer(function(player)
|
|
hide_builtin(player)
|
|
custom_hud(player)
|
|
hb.players[player:get_player_name()] = player
|
|
end)
|
|
|
|
minetest.register_on_leaveplayer(function(player)
|
|
hb.players[player:get_player_name()] = nil
|
|
end)
|
|
|
|
local main_timer = 0
|
|
local timer = 0
|
|
minetest.register_globalstep(function(dtime)
|
|
main_timer = main_timer + dtime
|
|
timer = timer + dtime
|
|
if main_timer > hb.settings.tick or timer > 4 then
|
|
if main_timer > hb.settings.tick then main_timer = 0 end
|
|
-- only proceed if damage is enabled
|
|
if minetest.setting_getbool("enable_damage") or hb.settings.forceload_default_hudbars then
|
|
for playername, player in pairs(hb.players) do
|
|
-- update all hud elements
|
|
update_hud(player)
|
|
end
|
|
end
|
|
end
|
|
if timer > 4 then timer = 0 end
|
|
end)
|