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https://github.com/minetest/minetest_game.git
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2824e4bb7c
In survival mode, zoom is disabled, the binoculars item is needed to allow a zoom with a 10 degree FOV, realistic for compact binoculars. Creative mode or per-player creative privilege allows a zoom with a 15 degree field of view (the default MT engine zoom FOV).
77 lines
1.8 KiB
Lua
77 lines
1.8 KiB
Lua
-- Mod global namespace
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binoculars = {}
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-- Detect creative mod
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local creative_mod = minetest.get_modpath("creative")
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-- Cache creative mode setting as fallback if creative mod not present
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local creative_mode_cache = minetest.settings:get_bool("creative_mode")
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-- Update player property
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-- Global to allow overriding
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function binoculars.update_player_property(player)
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local creative_enabled =
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(creative_mod and creative.is_enabled_for(player:get_player_name())) or
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creative_mode_cache
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local new_zoom_fov = 0
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if player:get_inventory():contains_item(
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"main", "binoculars:binoculars") then
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new_zoom_fov = 10
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elseif creative_enabled then
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new_zoom_fov = 15
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end
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-- Only set property if necessary to avoid player mesh reload
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if player:get_properties().zoom_fov ~= new_zoom_fov then
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player:set_properties({zoom_fov = new_zoom_fov})
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end
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end
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-- Set player property 'on joinplayer'
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minetest.register_on_joinplayer(function(player)
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binoculars.update_player_property(player)
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end)
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-- Cyclic update of player property
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local function cyclic_update()
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for _, player in ipairs(minetest.get_connected_players()) do
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binoculars.update_player_property(player)
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end
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minetest.after(4.7, cyclic_update)
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end
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minetest.after(4.7, cyclic_update)
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-- Binoculars item
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minetest.register_craftitem("binoculars:binoculars", {
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description = "Binoculars\nUse with 'Zoom' key",
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inventory_image = "binoculars_binoculars.png",
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stack_max = 1,
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on_use = function(itemstack, user, pointed_thing)
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binoculars.update_player_property(user)
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end,
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})
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-- Crafting
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minetest.register_craft({
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output = "binoculars:binoculars",
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recipe = {
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{"default:obsidian_glass", "", "default:obsidian_glass"},
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{"default:bronze_ingot", "default:bronze_ingot", "default:bronze_ingot"},
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{"default:obsidian_glass", "", "default:obsidian_glass"},
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}
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})
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