Move end exit portal to 0, 0; Add end gateway portals (WIP)

mods/ENTITIES/mobs_mc/ender_dragon.lua

@@ -77,6 +77,7 @@ mobs:register_mob("mobs_mc:enderdragon", {
 	end,
 	on_die = function(self, pos)
 		if self._portal_pos then
+			mcl_portals.spawn_gateway_portal()
 			mcl_structures.call_struct(self._portal_pos, "end_exit_portal_open")
 			if self._initial then
 				mcl_experience.throw_experience(pos, 11500) -- 500 + 11500 = 12000

mods/ITEMS/mcl_portals/init.lua

@@ -1,6 +1,8 @@
 -- Load files
 
-mcl_portals = {}
+mcl_portals = {
+	storage = minetest.get_mod_storage(),
+}
 
 -- Nether portal:
 -- Obsidian frame, activated by flint and steel
@@ -10,3 +12,5 @@ dofile(minetest.get_modpath("mcl_portals").."/portal_nether.lua")
 -- Red nether brick block frame, activated by an eye of ender
 dofile(minetest.get_modpath("mcl_portals").."/portal_end.lua")
 
+dofile(minetest.get_modpath("mcl_portals").."/portal_gateway.lua")
+

mods/ITEMS/mcl_portals/portal_gateway.lua

@@ -0,0 +1,45 @@
+local S = minetest.get_translator("mcl_portals")
+local storage = mcl_portals.storage
+
+local gateway_positions = {
+	{x = 96, y = -26925, z = 0},
+	{x = 91, y = -26925, z = 29},
+	{x = 77, y = -26925, z = 56},
+	{x = 56, y = -26925, z = 77},
+	{x = 29, y = -26925, z = 91},
+	{x = 0, y = -26925, z = 96},
+	{x = -29, y = -26925, z = 91},
+	{x = -56, y = -26925, z = 77},
+	{x = -77, y = -26925, z = 56},
+	{x = -91, y = -26925, z = 29},
+	{x = -96, y = -26925, z = 0},
+	{x = -91, y = -26925, z = -29},
+	{x = -77, y = -26925, z = -56},
+	{x = -56, y = -26925, z = -77},
+	{x = -29, y = -26925, z = -91},
+	{x = 0, y = -26925, z = -96},
+	{x = 29, y = -26925, z = -91},
+	{x = 56, y = -26925, z = -77},
+	{x = 77, y = -26925, z = -56},
+	{x = 91, y = -26925, z = -29},
+}
+
+function mcl_portals.spawn_gateway_portal()
+	local id = storage:get_int("gateway_last_id") + 1
+	local pos = gateway_positions[id]
+	if not pos then return end
+	storage:set_int("gateway_last_id", id)
+	mcl_structures.call_struct(vector.add(pos, vector.new(-1, -2, -1)), "end_gateway_portal")
+end
+
+local gateway_def = table.copy(minetest.registered_nodes["mcl_portals:portal_end"])
+gateway_def.description = S("End Gateway Portal")
+gateway_def._tt_help = S("Used to construct end gateway portals")
+gateway_def._doc_items_longdesc = S("An End gateway portal teleports creatures and objects to the outer End (and back!).")
+gateway_def._doc_items_usagehelp = S("Throw an ender pearl into the portal to teleport. Entering an Gateway portal near the Overworld teleports you to the outer End. At this destination another gateway portal will be constructed, which you can use to get back.")
+gateway_def.after_destruct = nil
+gateway_def.drawtype = "normal"
+gateway_def.node_box = nil
+gateway_def.walkable = true
+gateway_def.tiles[3] = nil
+minetest.register_node("mcl_portals:portal_gateway", gateway_def)

mods/ITEMS/mcl_portals/portal_nether.lua

@@ -47,7 +47,7 @@ local chatter = {}
 local queue = {}
 local chunks = {}
 
-local storage = minetest.get_mod_storage()
+local storage = mcl_portals.storage
 local exits = {}
 local keys = minetest.deserialize(storage:get_string("nether_exits_keys") or "return {}") or {}
 for _, key in pairs(keys) do

mods/MAPGEN/mcl_end_island/init.lua

@@ -8,12 +8,10 @@ local noisemap = PerlinNoiseMap({
 }, {x = 151, y = 30, z = 151}):get_3d_map({x = 0, y = 0, z = 0})
 
 local c_end_stone = minetest.get_content_id("mcl_end:end_stone")
-
-local x_offset = mcl_vars.mg_end_platform_pos.x - 27
 local y_offset = -2
 
 minetest.register_on_generated(function(minp, maxp)
-	if maxp.y < (-27025 + y_offset) or minp.y > (-27000 + y_offset + 4) or maxp.x < (-75 + x_offset) or minp.x > (75 + x_offset) or maxp.z < -75 or minp.z > 75 then
+	if maxp.y < (-27025 + y_offset) or minp.y > (-27000 + y_offset + 4) or maxp.x < -75 or minp.x > 75  or maxp.z < -75 or minp.z > 75 then
 		return
 	end
 
@@ -21,10 +19,10 @@ minetest.register_on_generated(function(minp, maxp)
 	local data = vm:get_data()
 	local area = VoxelArea:new({MinEdge = emin, MaxEdge = emax})
 
-	for idx in area:iter(math.max(minp.x, -75 + x_offset), math.max(minp.y, -27025 + y_offset + 4), math.max(minp.z, -75), math.min(maxp.x, 75 + x_offset), math.min(maxp.y, -27000 + y_offset), math.min(maxp.z, 75)) do
+	for idx in area:iter(math.max(minp.x, -75), math.max(minp.y, -27025 + y_offset + 4), math.max(minp.z, -75), math.min(maxp.x, 75), math.min(maxp.y, -27000 + y_offset), math.min(maxp.z, 75)) do
 		local pos = area:position(idx)
 		local y = 27025 + pos.y - y_offset
-		if noisemap[pos.x + 75 - x_offset + 1][y + 1][pos.z + 75 + 1] > (math.abs(1 - y / 25) ^ 2 + math.abs((pos.x - x_offset) / 75) ^ 2 + math.abs(pos.z / 75) ^ 2) then
+		if noisemap[pos.x + 75 + 1][y + 1][pos.z + 75 + 1] > (math.abs(1 - y / 25) ^ 2 + math.abs(pos.x / 75) ^ 2 + math.abs(pos.z / 75) ^ 2) then
 			data[idx] = c_end_stone
 		end
 	end

mods/MAPGEN/mcl_mapgen_core/init.lua

@@ -55,10 +55,7 @@ local superflat = mg_name == "flat" and minetest.get_mapgen_setting("mcl_superfl
 local WITCH_HUT_HEIGHT = 3 -- Exact Y level to spawn witch huts at. This height refers to the height of the floor
 
 -- End exit portal position
-local END_EXIT_PORTAL_POS = table.copy(mcl_vars.mg_end_platform_pos)
+local END_EXIT_PORTAL_POS = vector.new(-3, -27003, -3)
-END_EXIT_PORTAL_POS.x = END_EXIT_PORTAL_POS.x - 30
-END_EXIT_PORTAL_POS.z = END_EXIT_PORTAL_POS.z - 3
-END_EXIT_PORTAL_POS.y = END_EXIT_PORTAL_POS.y - 3
 
 -- Content IDs
 local c_bedrock = minetest.get_content_id("mcl_core:bedrock")

mods/MAPGEN/mcl_structures/init.lua

@@ -89,6 +89,8 @@ mcl_structures.call_struct = function(pos, struct_style, rotation, pr)
 		return mcl_structures.generate_end_exit_portal(pos, rotation)
 	elseif struct_style == "end_exit_portal_open" then
 		return mcl_structures.generate_end_exit_portal_open(pos, rotation)
+	elseif struct_style == "end_gateway_portal" then
+		return mcl_structures.generate_end_gateway_portal(pos, rotation)
 	elseif struct_style == "end_portal_shrine" then
 		return mcl_structures.generate_end_portal_shrine(pos, rotation, pr)
 	end
@@ -324,6 +326,11 @@ mcl_structures.generate_end_exit_portal_open = function(pos, rot)
 	return mcl_structures.place_schematic(pos, path, rot or "0", nil, true)
 end
 
+mcl_structures.generate_end_gateway_portal = function(pos, rot)
+	local path = minetest.get_modpath("mcl_structures").."/schematics/mcl_structures_end_gateway_portal.mts"
+	return mcl_structures.place_schematic(pos, path, rot or "0", nil, true)
+end
+
 local function shrine_placement_callback(p1, p2, size, rotation, pr)
 	-- Find and setup spawner with silverfish
 	local spawners = minetest.find_nodes_in_area(p1, p2, "mcl_mobspawners:spawner")
@@ -575,6 +582,8 @@ minetest.register_chatcommand("spawnstruct", {
 			mcl_structures.generate_end_exit_portal(pos, rot, pr)
 		elseif param == "end_exit_portal_open" then
 			mcl_structures.generate_end_exit_portal_open(pos, rot, pr)
+		elseif param == "end_gateway_portal" then
+			mcl_structures.generate_end_gateway_portal(pos, rot, pr)
 		elseif param == "end_portal_shrine" then
 			mcl_structures.generate_end_portal_shrine(pos, rot, pr)
 		elseif param == "dungeon" and mcl_dungeons and mcl_dungeons.spawn_dungeon then