122 lines
2.6 KiB
Lua
122 lines
2.6 KiB
Lua
--[[
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TechAge
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=======
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Copyright (C) 2020-2021 Joachim Stolberg
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AGPL v3
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See LICENSE.txt for more information
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Block marker lib for door/move/fly controller
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]]--
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local marker = {}
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local MarkedNodes = {} -- t[player] = {{entity, pos},...}
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local MaxNumber = {}
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local CurrentPos -- to mark punched entities
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local function unmark_position(name, pos)
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pos = vector.round(pos)
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for idx,item in ipairs(MarkedNodes[name] or {}) do
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if vector.equals(pos, item.pos) then
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item.entity:remove()
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table.remove(MarkedNodes[name], idx)
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CurrentPos = pos
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return
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end
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end
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end
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function marker.unmark_all(name)
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for _,item in ipairs(MarkedNodes[name] or {}) do
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item.entity:remove()
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end
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MarkedNodes[name] = nil
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end
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local function mark_position(name, pos)
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pos = vector.round(pos)
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if not CurrentPos or not vector.equals(pos, CurrentPos) then -- entity not punched?
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if #MarkedNodes[name] < MaxNumber[name] then
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local entity = minetest.add_entity(pos, "techage:block_marker")
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if entity ~= nil then
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entity:get_luaentity().player_name = name
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table.insert(MarkedNodes[name], {pos = pos, entity = entity})
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end
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CurrentPos = nil
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return true
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end
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end
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CurrentPos = nil
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end
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function marker.get_poslist(name)
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local idx = 0
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local lst = {}
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for _,item in ipairs(MarkedNodes[name] or {}) do
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table.insert(lst, item.pos)
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idx = idx + 1
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if idx >= 16 then break end
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end
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return lst
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end
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minetest.register_on_punchnode(function(pos, node, puncher, pointed_thing)
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if puncher and puncher:is_player() then
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local name = puncher:get_player_name()
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if not MarkedNodes[name] then
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return
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end
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mark_position(name, pointed_thing.under)
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end
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end)
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function marker.start(name, max_num)
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MaxNumber[name] = max_num or 99
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MarkedNodes[name] = {}
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end
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function marker.stop(name)
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MarkedNodes[name] = nil
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MaxNumber[name] = nil
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end
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minetest.register_entity(":techage:block_marker", {
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initial_properties = {
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visual = "cube",
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textures = {
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"techage_cube_mark.png",
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"techage_cube_mark.png",
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"techage_cube_mark.png",
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"techage_cube_mark.png",
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"techage_cube_mark.png",
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"techage_cube_mark.png",
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},
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physical = false,
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visual_size = {x=1.1, y=1.1},
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collisionbox = {-0.55,-0.55,-0.55, 0.55,0.55,0.55},
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glow = 8,
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},
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on_step = function(self, dtime)
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self.ttl = (self.ttl or 2400) - 1
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if self.ttl <= 0 then
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local pos = self.object:get_pos()
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unmark_position(self.player_name, pos)
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end
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end,
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on_punch = function(self, hitter)
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local pos = self.object:get_pos()
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local name = hitter:get_player_name()
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if name == self.player_name then
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unmark_position(name, pos)
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end
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end,
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})
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return marker
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