VoxeLibre/mods/ITEMS/mcl_spyglass/init.lua

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local S = minetest.get_translator(minetest.get_current_modname())
minetest.register_tool("mcl_spyglass:spyglass",{
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description = S("Spyglass"),
_doc_items_longdesc = S("A spyglass is an item that can be used for zooming in on specific locations."),
inventory_image = "mcl_spyglass.png",
stack_max = 1,
_mcl_toollike_wield = true,
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})
minetest.register_craft({
output = "mcl_spyglass:spyglass",
recipe = {
{"mcl_amethyst:amethyst_shard"},
{"mcl_copper:copper_ingot"},
{"mcl_copper:copper_ingot"},
}
})
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mcl_fovapi.register_modifier({
name = "spyglass",
fov_factor = 8,
time = 0.1,
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reset_time = 0,
is_multiplier = false,
exclusive = true,
})
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local spyglass_scope = {}
local function add_scope(player)
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local wielditem = player:get_wielded_item()
if wielditem:get_name() == "mcl_spyglass:spyglass" then
spyglass_scope[player] = player:hud_add({
hud_elem_type = "image",
position = {x = 0.5, y = 0.5},
scale = {x = -100, y = -100},
text = "mcl_spyglass_scope.png",
})
player:hud_set_flags({wielditem = false})
end
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end
local function remove_scope(player)
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if spyglass_scope[player] then
player:hud_remove(spyglass_scope[player])
spyglass_scope[player] = nil
player:hud_set_flags({wielditem = true})
mcl_fovapi.remove_modifier(player, "spyglass") -- use the api to remove the FOV effect.
-- old code: player:set_fov(86.1)
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end
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end
controls.register_on_press(function(player, key)
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if key ~= "RMB" then return end
add_scope(player)
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end)
controls.register_on_release(function(player, key, time)
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if key ~= "RMB" then return end
remove_scope(player)
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end)
controls.register_on_hold(function(player, key, time)
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if key ~= "RMB" then return end
local wielditem = player:get_wielded_item()
if wielditem:get_name() == "mcl_spyglass:spyglass" then
mcl_fovapi.apply_modifier(player, "spyglass") -- apply the FOV effect.
-- old code: player:set_fov(8, false, 0.1)
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if spyglass_scope[player] == nil then
add_scope(player)
end
else
remove_scope(player)
end
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end)
minetest.register_on_dieplayer(function(player)
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remove_scope(player)
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end)
minetest.register_on_leaveplayer(function(player)
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spyglass_scope[player] = nil
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end)