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https://git.minetest.land/MineClone2/MineClone2.git
synced 2024-12-05 09:13:16 +01:00
190 lines
6.3 KiB
Lua
190 lines
6.3 KiB
Lua
local S = minetest.get_translator(minetest.get_current_modname())
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local peaceful = minetest.settings:get_bool("only_peaceful_mobs", false)
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local vector = vector
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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 = 1
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local source
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if puncher then
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strength = explosion_strength
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local reason = {}
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mcl_damage.from_punch(reason, puncher)
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mcl_damage.finish_reason(reason)
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source = reason.source
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end
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minetest.after(0, self.object.remove, self.object)
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mcl_explosions.explode(vector.add(self.object:get_pos(), {x = 0, y = 1.5, z = 0}), strength, {drop_chance = 1}, self.object, source)
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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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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 _,o in pairs(minetest.get_objects_inside_radius(pos,64)) do
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local l = o:get_luaentity()
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if l and l.name == "mobs_mc:enderdragon" then return end
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if not peaceful then
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if o:is_player() then
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awards.unlock(o:get_player_name(), "mcl:theEndAgain")
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end
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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 portal_pos = vector.add(portal_center, vector.new(0, -1, 0))
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mcl_structures.place_structure(portal_pos,mcl_structures.registered_structures["end_exit_portal"],PseudoRandom(minetest.get_mapgen_setting("seed")),-1)
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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 = false,
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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_entity("mcl_end:crystal_beam", {
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initial_properties = {
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physical = false,
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visual = "cube",
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visual_size = {x = 1, y = 1, z = 1},
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textures = {
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"mcl_end_crystal_beam.png^[transformR90",
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"mcl_end_crystal_beam.png^[transformR90",
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"mcl_end_crystal_beam.png",
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"mcl_end_crystal_beam.png",
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"blank.png",
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"blank.png",
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},
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static_save = false,
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},
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spin = 0,
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init = function(self, dragon, crystal)
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self.dragon, self.crystal = dragon, crystal
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crystal:get_luaentity().beam = self.object
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dragon:get_luaentity().beam = self.object
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end,
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on_deactivate = function(self)
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if self.crystal and self.crystal:get_luaentity() then
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self.crystal:get_luaentity().beam = nil
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end
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if self.dragon and self.dragon:get_luaentity() then
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self.dragon:get_luaentity().beam = nil
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end
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end,
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on_step = function(self, dtime)
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if self.dragon and self.dragon:get_luaentity() and self.crystal and self.crystal:get_luaentity() then
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self.spin = self.spin + dtime * math.pi * 2 / 4
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local dragon_pos, crystal_pos = self.dragon:get_pos(), self.crystal:get_pos()
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dragon_pos.y = dragon_pos.y + 4
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crystal_pos.y = crystal_pos.y + 2
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self.object:set_pos(vector.divide(vector.add(dragon_pos, crystal_pos), 2))
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local rot = vector.dir_to_rotation(vector.direction(dragon_pos, crystal_pos))
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rot.z = self.spin
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self.object:set_rotation(rot)
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self.object:set_properties({visual_size = {x = 0.5, y = 0.5, z = vector.distance(dragon_pos, crystal_pos)}})
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else
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self.object:remove()
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end
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end,
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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)
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local node_name = node.name
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if placer and not placer:get_player_control().sneak then
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if minetest.registered_nodes[node_name] and minetest.registered_nodes[node_name].on_rightclick then
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return minetest.registered_nodes[node_name].on_rightclick(pointed_thing.under, node, placer, itemstack) or itemstack
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end
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end
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if find_crystal(pos) then return itemstack end
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if node_name == "mcl_core:obsidian" or node_name == "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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