Add Styx and giant sharks.

mapgen.lua

@@ -336,7 +336,14 @@ local function generate(p_minp, p_maxp, seed)
 
 				for y = minp.y, maxp.y do
 					-- Dis
-					if underzone == 3 then
+					if underzone == 6 and y % 4960 < cave_3[index] + 160 and y % 4960 > cave_3[index] + 80 then
+						if y < -29620 then
+							data[ivm] = node["default:water_source"]
+						else
+							data[ivm] = node["air"]
+						end
+						write = true
+					elseif underzone == 3 then
 						if (x - minp.x) < 8 and (z - minp.z) < 8 then
 							data[ivm] = node["default:steelblock"]
 						elseif data[ivm] ~= node['air'] and y % 4960 < 160 and y % 4960 > 80 then
@@ -357,10 +364,18 @@ local function generate(p_minp, p_maxp, seed)
 						write = true
 					-- Dis
 					elseif column == 1 and underzone ~= 3 and data[ivm] ~= node['air'] and y % 4960 < cave_3[index] + 160 and y % 4960 > cave_3[index] + 80 then
+						if y < -29620 then
+							data[ivm] = node["default:water_source"]
+						else
 							data[ivm] = node["air"]
+						end
 						write = true
 					elseif column < 2 and underzone ~= 3 and data[ivm] ~= node['air'] and y < height - cave_3[index] and cave_1[index3d] * cave_2[index3d] > cave_width then
+						if y < -29620 then
+							data[ivm] = node["default:water_source"]
+						else
 							data[ivm] = node["air"]
+						end
 						write = true
 
 						if y > 0 and cave_3[index] < 1 and y == height then
@@ -421,6 +436,9 @@ local function generate(p_minp, p_maxp, seed)
 							elseif underzone == 3 then
 								stone_type = node["fun_caves:hot_brass"]
 								stone_depth = 1
+							elseif underzone == 6 then
+								stone_type = node["default:dirt"]
+								stone_depth = 2
 							elseif underzone and y % 4960 <= 145 then
 								stone_type = node["fun_caves:hot_cobble"]
 							elseif underzone and y % 4960 > 145 then
@@ -440,6 +458,10 @@ local function generate(p_minp, p_maxp, seed)
 								stone_type = node["fun_caves:stone_with_lichen"]
 							elseif biome_val < 0.2 then
 								stone_type = node["fun_caves:stone_with_algae"]
+							elseif y < 29620 then
+							-- This is seperate to prevent the hot biomes spawning underwater.
+								stone_type = node["default:dirt"]
+								stone_depth = 2
 							elseif biome_val < 0.35 then
 								stone_type = node["fun_caves:stone_with_salt"]
 								stone_depth = 2
@@ -463,7 +485,7 @@ local function generate(p_minp, p_maxp, seed)
 							if data[ivm] == node["default:stone"] then
 								local air_above = false
 								for i = 1, stone_depth do
-									if data[ivm + area.ystride * i] == node["air"] then
+									if data[ivm + area.ystride * i] == node["air"] or (y < 29620 and data[ivm + area.ystride * i] == node["default:water_source"]) then
 										air_above = true
 									end
 								end

mobs.lua

@@ -273,6 +273,26 @@ if minetest.registered_entities["mobs_creeper:creeper"] then
 	)
 end
 
+if minetest.registered_entities["mobs_sharks:shark_lg"] then
+	local m = table.copy(minetest.registered_entities["mobs_sharks:shark_lg"])
+	local l_spawn_in		= {"default:water_flowing","default:water_source"}
+	local l_spawn_near		= {"default:water_flowing","default:water_source","seawrecks:woodship","seawrecks:uboot"}
+
+	m.damage = 15
+	m.hp_min = 40
+	m.hp_max = 50
+	m.visual_size = {x=3, y=3}
+	m.collisionbox = {-2, -1.5, -2, 2, 1.5, 2}
+	m.textures = {"fun_caves_albino.png"}
+	m.base_texture = m.textures[1]
+
+	minetest.registered_entities["fun_caves:shark_giant"] = m
+	mobs.spawning_mobs["fun_caves:shark_giant"] = true
+
+	mobs:spawn_specific("fun_caves:shark_giant", l_spawn_in, l_spawn_near, -1, 20, 30, 60000, 1, -31000, -29620)
+	mobs:register_egg("fun_caves:shark_md", "Shark (giant)", l_egg_texture, 0)
+end
+
 
 fun_caves.goblin_spawn_frequency = 150
 fun_caves.goblin_trap_freq = 25