From 29119d2e2ce6f3bcd6d157360612cd2ee1a480f4 Mon Sep 17 00:00:00 2001
From: Wuzzy <almikes@aol.com>
Date: Fri, 18 Aug 2017 02:42:26 +0200
Subject: [PATCH] Generate floating islands in the End

---
 mods/ITEMS/mcl_portals/portal_end.lua |  8 +++-
 mods/MAPGEN/mcl_biomes/init.lua       | 68 ++++++++++++++-------------
 mods/MAPGEN/mcl_mapgen_core/init.lua  |  9 ++--
 3 files changed, 47 insertions(+), 38 deletions(-)

diff --git a/mods/ITEMS/mcl_portals/portal_end.lua b/mods/ITEMS/mcl_portals/portal_end.lua
index 21f6be544..0be9e68bb 100644
--- a/mods/ITEMS/mcl_portals/portal_end.lua
+++ b/mods/ITEMS/mcl_portals/portal_end.lua
@@ -2,6 +2,10 @@
 
 local TCAVE = 0.6
 local nobj_cave = nil
+
+local SPAWN_MIN = mcl_vars.mg_end_min+70
+local SPAWN_MAX = mcl_vars.mg_end_min+98
+
 -- 3D noise
 
 local np_cave = {
@@ -173,13 +177,13 @@ local function build_end_portal(pos, target3)
 end
 
 local function find_end_target3_y2(target3_x, target3_z)
-	local start_y = mcl_vars.mg_end_min + math.random(20, 120) -- Search start
+	local start_y = math.random(SPAWN_MIN, SPAWN_MAX) -- Search start
 	if not nobj_cave then
 		nobj_cave = minetest.get_perlin(np_cave)
 	end
 	local air = 0 -- Consecutive air nodes found
 
-	for y = start_y, start_y - 120, -1 do
+	for y = start_y, SPAWN_MIN, -1 do
 		local nval_cave = nobj_cave:get3d({x = target3_x, y = y, z = target3_z})
 
 		if nval_cave > TCAVE then -- Cavern
diff --git a/mods/MAPGEN/mcl_biomes/init.lua b/mods/MAPGEN/mcl_biomes/init.lua
index 6fa287792..291d759a7 100644
--- a/mods/MAPGEN/mcl_biomes/init.lua
+++ b/mods/MAPGEN/mcl_biomes/init.lua
@@ -570,12 +570,14 @@ local function register_dimension_biomes()
 	--[[ THE END ]]
 	minetest.register_biome({
 		name = "end",
+		node_stone = "air",
 		node_filler = "mcl_end:end_stone",
-		node_stone = "mcl_end:end_stone",
+		node_water = "mcl_end:end_stone",
+		node_river_water = "air",
 		-- FIXME: For some reason the End stops generating early if this constant is not added.
 		-- Figure out why.
 		y_min = mcl_vars.mg_end_min,
-		y_max = mcl_vars.mg_end_max + 80,
+		y_max = mcl_vars.mg_end_max,
 		heat_point = 50,
 		humidity_point = 50,
 	})
@@ -609,7 +611,7 @@ local function register_biomelike_ores()
 
 	--mcl_core STRATA
 	minetest.register_ore({
-		ore_type       = "sheet",
+		ore_type       = "blob",
 		ore            = "mcl_core:stone",
 		wherein        = {"mcl_colorblocks:hardened_clay_orange"},
 		clust_scarcity = 1,
@@ -996,44 +998,46 @@ local function register_dimension_ores()
 	--[[ THE END ]]
 
 	-- Generate fake End
-	-- TODO: Remove both "ores" when there's a better End
+	-- TODO: Remove both "ores" when there's a better End generator
 
 	minetest.register_ore({
-		ore_type        = "blob",
+		ore_type        = "sheet",
 		ore             = "mcl_end:end_stone",
-		wherein         = {"air", "mcl_core:stone"},
-		clust_scarcity  = 30 * 30 * 30,
-		clust_size      = 17,
-		y_min           = mcl_vars.mg_end_min,
-		y_max           = mcl_vars.mg_end_max,
-		noise_threshold = 0.0,
-		noise_params    = {
-			offset = 0.5,
-			scale = 0.1,
-			spread = {x = 5, y = 5, z = 5},
-			seed = 16,
-			octaves = 1,
-			persist = 0.0
+		wherein         = {"air"},
+		y_min           = mcl_vars.mg_end_min+64,
+		y_max           = mcl_vars.mg_end_min+94,
+		column_height_min = 6,
+		column_height_max = 7,
+		column_midpoint_factor = 0.0,
+		noise_params = {
+			offset  = -2,
+			scale   = 8,
+			spread  = {x=100, y=100, z=100},
+			seed    = 2999,
+			octaves = 5,
+			persist = 0.55,
 		},
+		noise_threshold = 0,
 	})
 
 	minetest.register_ore({
-		ore_type        = "scatter",
+		ore_type        = "sheet",
 		ore             = "mcl_end:end_stone",
-		wherein         = {"air", "mcl_core:stone"},
-		clust_scarcity  = 30 * 30 * 30,
-		clust_size      = 34,
-		y_min           = mcl_vars.mg_end_min,
-		y_max           = mcl_vars.mg_end_max,
-		noise_threshold = 0.0,
-		noise_params    = {
-			offset = 0.5,
-			scale = 0.1,
-			spread = {x = 70, y = 15, z = 70},
-			seed = 16,
-			octaves = 1,
-			persist = 0.0
+		wherein         = {"air"},
+		y_min           = mcl_vars.mg_end_min+64,
+		y_max           = mcl_vars.mg_end_min+94,
+		column_height_min = 4,
+		column_height_max = 4,
+		column_midpoint_factor = 0.0,
+		noise_params = {
+			offset  = -4,
+			scale   = 3,
+			spread  = {x=200, y=200, z=200},
+			seed    = 5390,
+			octaves = 5,
+			persist = 0.6,
 		},
+		noise_threshold = 0,
 	})
 
 end
diff --git a/mods/MAPGEN/mcl_mapgen_core/init.lua b/mods/MAPGEN/mcl_mapgen_core/init.lua
index 5b82d1b85..68687d971 100644
--- a/mods/MAPGEN/mcl_mapgen_core/init.lua
+++ b/mods/MAPGEN/mcl_mapgen_core/init.lua
@@ -1300,7 +1300,11 @@ minetest.register_on_generated(function(minp, maxp)
 					elseif y >= mcl_vars.mg_realm_barrier_overworld_end_min and y <= mcl_vars.mg_realm_barrier_overworld_end_max then
 						data[p_pos] = c_realm_barrier
 						lvm_used = true
-					-- Nether and End support for v6 because v6 does not support the biomes API
+					-- Clear the End
+					elseif y <= mcl_vars.mg_end_max and y >= mcl_vars.mg_end_min then
+						--data[p_pos] = c_air
+						--lvm_used = true
+					-- Nether support for v6 because v6 does not support the biomes API
 					elseif mg_name == "v6" then
 						if y <= mcl_vars.mg_nether_max and y >= mcl_vars.mg_nether_min then
 							if data[p_pos] == c_stone then
@@ -1310,9 +1314,6 @@ minetest.register_on_generated(function(minp, maxp)
 								data[p_pos] = c_soul_sand
 								lvm_used = true
 							end
-						elseif y <= mcl_vars.mg_end_max and y >= mcl_vars.mg_end_min and (data[p_pos] == c_stone or data[p_pos] == c_dirt or data[p_pos] == c_sand) then
-							data[p_pos] = c_end_stone
-							lvm_used = true
 						end
 					end
 				end