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https://git.minetest.land/Mineclonia/Mineclonia.git
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114 lines
3.9 KiB
Lua
114 lines
3.9 KiB
Lua
local S = minetest.get_translator("mcl_end")
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local explosion_strength = 6
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local directions = {
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{x = 1}, {x = -1}, {z = 1}, {z = -1}
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}
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local dimensions = {"x", "y", "z"}
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for _, dir in pairs(directions) do
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for _, dim in pairs(dimensions) do
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dir[dim] = dir[dim] or 0
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end
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end
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local function find_crystal(pos)
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local objects = minetest.get_objects_inside_radius(pos, 0)
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for _, obj in pairs(objects) do
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local luaentity = obj:get_luaentity()
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if luaentity and luaentity.name == "mcl_end:crystal" then
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return luaentity
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end
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end
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end
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local function crystal_explode(self, puncher)
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if self._exploded then return end
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self._exploded = true
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local strength = puncher and explosion_strength or 1
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mcl_explosions.explode(vector.add(self.object:get_pos(), {x = 0, y = 1.5, z = 0}), strength, {drop_chance = 1}, puncher)
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minetest.after(0, self.object.remove, self.object)
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end
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local function set_crystal_animation(self)
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self.object:set_animation({x = 0, y = 120}, 25)
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end
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local function spawn_crystal(pos)
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local crystal = minetest.add_entity(pos, "mcl_end:crystal")
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if not vector.equals(pos, vector.floor(pos)) then return end
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if mcl_worlds.pos_to_dimension(pos) ~= "end" then return end
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local portal_center
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for _, dir in pairs(directions) do
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local node = minetest.get_node(vector.add(pos, dir))
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if node.name == "mcl_portals:portal_end" then
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portal_center = vector.add(pos, vector.multiply(dir, 3))
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break
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end
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end
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if not portal_center then return end
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local crystals = {}
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for i, dir in pairs(directions) do
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local crystal_pos = vector.add(portal_center, vector.multiply(dir, 3))
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crystals[i] = find_crystal(crystal_pos)
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if not crystals[i] then return end
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end
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for _, crystal in pairs(crystals) do
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crystal_explode(crystal)
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end
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local dragon = minetest.add_entity(vector.add(portal_center, {x = 0, y = 10, z = 0}), "mobs_mc:enderdragon")
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dragon:get_luaentity()._egg_spawn_pos = minetest.pos_to_string(vector.add(portal_center, {x = 0, y = 4, z = 0}))
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end
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minetest.register_entity("mcl_end:crystal", {
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initial_properties = {
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physical = true,
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visual = "mesh",
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visual_size = {x = 6, y = 6},
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collisionbox = {-1, 0.5, -1, 1, 2.5, 1},
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mesh = "mcl_end_crystal.b3d",
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textures = {"mcl_end_crystal.png"},
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collide_with_objects = true,
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},
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on_punch = crystal_explode,
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on_activate = set_crystal_animation,
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_exploded = false,
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_hittable_by_projectile = true
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})
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minetest.register_craftitem("mcl_end:crystal", {
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inventory_image = "mcl_end_crystal_item.png",
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description = S("End Crystal"),
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stack_max = 64,
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on_place = function(itemstack, placer, pointed_thing)
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if pointed_thing.type == "node" then
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local pos = minetest.get_pointed_thing_position(pointed_thing)
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local node = minetest.get_node(pos).name
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if find_crystal(pos) then return itemstack end
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if node == "mcl_core:obsidian" or node == "mcl_core:bedrock" then
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if not minetest.is_creative_enabled(placer:get_player_name()) then
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itemstack:take_item()
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end
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spawn_crystal(pos)
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end
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end
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return itemstack
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end,
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_tt_help = S("Ignited by a punch or a hit with an arrow").."\n"..S("Explosion radius: @1", tostring(explosion_strength)),
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_doc_items_longdesc = S("End Crystals are explosive devices. They can be placed on Obsidian or Bedrock. Ignite them by a punch or a hit with an arrow. End Crystals can also be used the spawn the Ender Dragon by placing one at each side of the End Exit Portal."),
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_doc_items_usagehelp = S("Place the End Crystal on Obsidian or Bedrock, then punch it or hit it with an arrow to cause an huge and probably deadly explosion. To Spawn the Ender Dragon, place one at each side of the End Exit Portal."),
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})
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minetest.register_craft({
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output = "mcl_end:crystal",
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recipe = {
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{"mcl_core:glass", "mcl_core:glass", "mcl_core:glass"},
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{"mcl_core:glass", "mcl_end:ender_eye", "mcl_core:glass"},
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{"mcl_core:glass", "mcl_mobitems:ghast_tear", "mcl_core:glass"},
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}
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})
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minetest.register_alias("mcl_end_crystal:end_crystal", "mcl_end:crystal")
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