Merge pull request 'Add Firework Rocket for elytra boost' (#1551) from NO11/MineClone2:elytra_rocket into master

Reviewed-on: MineClone2/MineClone2#1551

mods/ITEMS/mcl_fireworks/README.txt

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+Firework mod for Mineclone 2
+
+by NO11 and and some parts by j45
+
+Sound credits:
+
+* mcl_firework_rocket.ogg (tnt_ignite.ogg): Own derivate work of sound by Ned Bouhalassa (CC0) created in 2005, source: <https://freesound.org/people/Ned Bouhalassa/sounds/8320/>

mods/ITEMS/mcl_fireworks/config.txt

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+name = mcl_firework
+author = NO11, j45

mods/ITEMS/mcl_fireworks/crafting.lua

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+minetest.register_craft({
+	type = "shapeless",
+	output = "mcl_fireworks:rocket_1 3",
+	recipe = {"mcl_core:paper", "mcl_mobitems:gunpowder"},
+})
+
+minetest.register_craft({
+	type = "shapeless",
+	output = "mcl_fireworks:rocket_2 3",
+	recipe = {"mcl_core:paper", "mcl_mobitems:gunpowder", "mcl_mobitems:gunpowder"},
+})
+
+minetest.register_craft({
+	type = "shapeless",
+	output = "mcl_fireworks:rocket_3 3",
+	recipe = {"mcl_core:paper", "mcl_mobitems:gunpowder", "mcl_mobitems:gunpowder", "mcl_mobitems:gunpowder"},
+})

mods/ITEMS/mcl_fireworks/init.lua

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+local path = minetest.get_modpath("mcl_fireworks")
+
+dofile(path .. "/register.lua")
+dofile(path .. "/crafting.lua")

mods/ITEMS/mcl_fireworks/locale/mcl_fireworks.de.tr

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+# textdomain: mcl_fireworks
+Firework Rocket=Feuerwerksrakete
+Flight Duration:=Flugdauer:

mods/ITEMS/mcl_fireworks/register.lua

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+local S = minetest.get_translator("mcl_fireworks")
+
+local help = S("Flight Duration:")
+local description = S("Firework Rocket")
+local rocket_sound = function()
+    minetest.sound_play("mcl_fireworks_rocket")
+end
+
+minetest.register_craftitem("mcl_fireworks:rocket_1", {
+    description = description,
+    _tt_help = help.." 1",
+    inventory_image = "mcl_fireworks_rocket.png",
+    stack_max = 64,
+    on_use = function(itemstack, user, pointed_thing)
+    	itemstack:take_item()
+        local torso = user:get_inventory():get_stack("armor", 3)
+        if torso and torso:get_name() == "mcl_armor:elytra" then 
+			user:add_player_velocity(vector.multiply(user:get_look_dir(), 20))
+            rocket_sound()
+        end
+        return itemstack   
+    end,
+})
+
+minetest.register_craftitem("mcl_fireworks:rocket_2", {
+    description = description,
+    _tt_help = help.." 2",
+    inventory_image = "mcl_fireworks_rocket.png",
+    stack_max = 64,
+    on_use = function(itemstack, user, pointed_thing)
+    	itemstack:take_item()
+        local torso = user:get_inventory():get_stack("armor", 3)
+        if torso and torso:get_name() == "mcl_armor:elytra" then 
+			user:add_player_velocity(vector.multiply(user:get_look_dir(), 30))
+            rocket_sound()
+        end
+        return itemstack   
+    end,
+})
+
+minetest.register_craftitem("mcl_fireworks:rocket_3", {
+    description = description,
+    _tt_help = help.." 3",
+    inventory_image = "mcl_fireworks_rocket.png",
+    stack_max = 64,
+    on_use = function(itemstack, user, pointed_thing, player)
+    	itemstack:take_item()
+        local torso = user:get_inventory():get_stack("armor", 3)
+        if torso and torso:get_name() == "mcl_armor:elytra" then 
+			user:add_player_velocity(vector.multiply(user:get_look_dir(), 40))
+            rocket_sound()
+        end
+        return itemstack   
+    end,
+})