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68 lines
2.2 KiB
68 lines
2.2 KiB
local ipairs |
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= ipairs |
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local minetest, vector |
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= minetest, vector |
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local rotate = include("rotate") |
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local TEX_ROTATE_CLOCKWISE = "nc_extended_rotating_hud_rotate_clockwise.png" |
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local TEX_ROTATE_COUNTER_CLOCKWISE = "nc_extended_rotating_hud_rotate_counter_clockwise.png" |
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local player_huds = {} |
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local function do_player_rotating_checks(player) |
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local name = player:get_player_name() |
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local hud_index = player_huds[name] |
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if hud_index then |
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-- FIXME: Only remove / update HUD elements when necessary. |
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player:hud_remove(hud_index) |
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player_huds[name] = nil |
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end |
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local look_dir = player:get_look_dir() |
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local player_pos = vector.copy(player:get_pos()) |
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local eye_offset = vector.divide(player:get_eye_offset(), 10) |
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local eye_height = player:get_properties().eye_height; |
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local eye_pos = player_pos + eye_offset + vector.new(0, eye_height, 0) |
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local default_reach = minetest.registered_items[""].range or 4 |
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local wielded_reach = player:get_wielded_item():get_definition().reach |
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local reach = wielded_reach or default_reach |
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local node = nil |
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local ray = minetest.raycast(eye_pos, eye_pos + look_dir * reach, false, false) |
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for pointed_thing in ray do |
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if pointed_thing.type == "node" then |
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node = minetest.get_node(pointed_thing.under) |
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break |
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end |
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end |
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if node and rotate.is_rotatable(node) then |
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local is_sneaking = player:get_player_control().sneak |
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local texture = is_sneaking and TEX_ROTATE_COUNTER_CLOCKWISE or TEX_ROTATE_CLOCKWISE |
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hud_index = player:hud_add({ |
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hud_elem_type = "image", |
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name = "rotation hint", |
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text = texture, |
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position = { x = 0.5, y = 0.5 }, |
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offset = { x = 0, y = 0 }, |
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alignment = { x = 0, y = 0 }, |
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scale = { x = 1, y = 1 }, |
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}) |
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player_huds[name] = hud_index |
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end |
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end |
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minetest.register_globalstep(function(delta_time) |
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for _, player in ipairs(minetest.get_connected_players()) do |
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do_player_rotating_checks(player) |
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end |
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end) |
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minetest.register_on_leaveplayer(function(player) |
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local name = player:get_player_name() |
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player_huds[name] = nil |
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end)
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