Add mg_water_source that doesn't freeze so ice doesn't take over the ocean

mods/adventuretest/init.lua

@@ -1,5 +1,4 @@
 -- VARIOUS MISC ADVENTURETEST RELATED STUFF
-
 adventuretest = {}
 
 game_origin = nil

mods/bucket/init.lua

@@ -17,6 +17,7 @@ minetest.register_craft({
 
 bucket = {}
 bucket.liquids = {}
+bucket.swaps = {}
 
 local function check_protection(pos, name, text)
 	if minetest.is_protected(pos, name) then
@@ -73,6 +74,12 @@ function bucket.register_liquid(source, flowing, itemname, inventory_image, name
 				end
 
 				local place_liquid = function(pos, node, source, flowing, fullness)
+					if bucket.swaps[source] ~= nil then
+						source = bucket.swaps[source]
+					end
+					if bucket.swaps[flowing] ~= nil then
+						flowing = bucket.swaps[flowing]
+					end
 					if check_protection(pos,
 							user and user:get_player_name() or "",
 							"place "..source) then
@@ -125,6 +132,11 @@ function bucket.register_liquid(source, flowing, itemname, inventory_image, name
 	end
 end
 
+function bucket.register_swap(source, flowing, new_source, new_flowing)
+	bucket.swaps[source] = new_source
+	bucket.swaps[flowing] = new_flowing
+end
+
 minetest.register_craftitem("bucket:bucket_empty", {
 	description = "Empty Bucket",
 	inventory_image = "bucket.png",
@@ -136,8 +148,8 @@ minetest.register_craftitem("bucket:bucket_empty", {
 			return
 		end
 		-- Check if pointing to a liquid source
-		node = minetest.get_node(pointed_thing.under)
-		liquiddef = bucket.liquids[node.name]
+		local node = minetest.get_node(pointed_thing.under)
+		local liquiddef = bucket.liquids[node.name]
 		if liquiddef ~= nil and liquiddef.itemname ~= nil and
 			(node.name == liquiddef.source or
 			(node.name == liquiddef.flowing and
@@ -169,12 +181,14 @@ bucket.register_liquid(
 
 bucket.register_liquid(
 	"default:mg_water_source",
-	"default:water_flowing",
+	"default:mg_water_flowing",
 	"bucket:bucket_water",
 	"bucket_water.png",
 	"Water Bucket"
 )
 
+bucket.register_swap("default:mg_water_source","default:mg_water_flowing","default:water_source","default:water_flowing")
+
 bucket.register_liquid(
 	"default:lava_source",
 	"default:lava_flowing",

mods/default/init.lua

@@ -46,3 +46,4 @@ dofile(minetest.get_modpath("default").."/craftitems.lua")
 dofile(minetest.get_modpath("default").."/crafting.lua")
 dofile(minetest.get_modpath("default").."/player.lua")
 dofile(minetest.get_modpath("default").."/trees.lua")
+dofile(minetest.get_modpath("default").."/mapgen.lua")

mods/default/mapgen.lua

@@ -0,0 +1,18 @@
+minetest.register_alias("mapgen_stone", "default:stone")
+minetest.register_alias("mapgen_dirt", "default:dirt")
+minetest.register_alias("mapgen_dirt_with_grass", "default:dirt_with_grass")
+minetest.register_alias("mapgen_sand", "default:sand")
+minetest.register_alias("mapgen_water_source", "default:mg_water_source")
+minetest.register_alias("mapgen_river_water_source", "default:mg_water_source")
+minetest.register_alias("mapgen_lava_source", "default:lava_source")
+minetest.register_alias("mapgen_gravel", "default:gravel")
+minetest.register_alias("mapgen_desert_stone", "default:desert_stone")
+minetest.register_alias("mapgen_desert_sand", "default:desert_sand")
+minetest.register_alias("mapgen_dirt_with_snow", "default:dirt_with_snow")
+minetest.register_alias("mapgen_snowblock", "default:snowblock")
+minetest.register_alias("mapgen_snow", "default:snow")
+minetest.register_alias("mapgen_ice", "default:ice")
+minetest.register_alias("mapgen_sandstone", "default:sandstone")
+minetest.register_alias("mapgen_mossycobble", "default:mossycobble")
+minetest.register_alias("mapgen_cobble","default:cobble")
+minetest.register_alias("mapgen_stair_cobble","stairs:stair_cobble")

mods/default/nodes.lua

@@ -608,6 +608,41 @@ minetest.register_node("default:water_source", {
 	groups = {water=3, liquid=3, puts_out_fire=1, freezes = 1},
 })
 
+minetest.register_node("default:mg_water_flowing", {
+	description = "Flowing Water",
+	inventory_image = minetest.inventorycube("default_water.png"),
+	drawtype = "flowingliquid",
+	tiles = {"default_water.png"},
+	special_tiles = {
+		{
+			image="default_water_flowing_animated.png",
+			backface_culling=false,
+			animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=0.8}
+		},
+		{
+			image="default_water_flowing_animated.png",
+			backface_culling=true,
+			animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=0.8}
+		},
+	},
+	alpha = WATER_ALPHA,
+	paramtype = "light",
+	paramtype2 = "flowingliquid",
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	drop = "",
+	drowning = 1,
+	liquidtype = "flowing",
+	liquid_alternative_flowing = "default:mg_water_flowing",
+	liquid_alternative_source = "default:mg_water_source",
+	liquid_viscosity = WATER_VISC,
+	post_effect_color = {a=64, r=100, g=100, b=200},
+	groups = {water=3, liquid=3, puts_out_fire=1, not_in_creative_inventory=1, melt_around=1},
+})
+
+
 minetest.register_node("default:mg_water_source", {
 	description = "Mapgen Water Source",
 	inventory_image = minetest.inventorycube("default_water.png"),
@@ -632,7 +667,7 @@ minetest.register_node("default:mg_water_source", {
 	drop = "",
 	drowning = 1,
 	liquidtype = "source",
-	liquid_alternative_flowing = "default:water_flowing",
+	liquid_alternative_flowing = "default:mg_water_flowing",
 	liquid_alternative_source = "default:mg_water_source",
 	liquid_viscosity = WATER_VISC,	
 	post_effect_color = {a=64, r=100, g=100, b=200},

mods/mg/biomes.lua

@@ -132,15 +132,11 @@ minetest.register_biome({
 
 minetest.register_biome({
 	name = "desert",
-	--node_dust = "",
 	node_top = "default:desert_sand",
 	depth_top = 1,
 	node_filler = "default:desert_sand",
 	depth_filler = 1,
 	node_stone = "default:desert_stone",
-	--node_water_top = "",
-	--depth_water_top = ,
-	--node_water = "",
 	y_min = -10,
 	y_max = 230,
 	heat_point = 90,
@@ -149,7 +145,6 @@ minetest.register_biome({
 	depth_water_top = 2,
 	node_water = "default:mg_water_source",
 	node_river_water = "default:mg_water_source",
-	node_river_water = "default:mg_water_source",
 })
 
 minetest.register_biome({
@@ -160,9 +155,6 @@ minetest.register_biome({
 	node_filler = "default:dirt",
 	depth_filler = 4,
 	node_stone = "default:stone",
-	--node_water_top = "",
-	--depth_water_top = ,
-	--node_water = "",
 	y_min = -10,
 	y_max = 230,
 	heat_point = 90,
@@ -255,9 +247,6 @@ minetest.register_biome({
 	node_filler = "default:dirt",
 	depth_filler = 6,
 	node_stone = "default:stone",
-	--node_water_top = "default:ice",
-	--depth_water_top = 2,
-	--node_water = "",
 	y_min = -10,
 	y_max = 230,
 	heat_point = 90,

mods/mg/decorations.lua

@@ -23,7 +23,7 @@ minetest.register_decoration({
 minetest.register_decoration({
 	deco_type = "simple",
 	place_on = {"default:sand","default:desert_sand","default:river_gravel"},
-	spawn_by = "default:water_source",
+	spawn_by = "default:mg_water_source",
 	num_spawn_by = 1,
 	sidelen = 16,
 	noise_params = {

mods/mg/nodes.lua

@@ -1,22 +1,3 @@
-minetest.register_alias("mapgen_stone", "default:stone")
-minetest.register_alias("mapgen_dirt", "default:dirt")
-minetest.register_alias("mapgen_dirt_with_grass", "default:dirt_with_grass")
-minetest.register_alias("mapgen_sand", "default:sand")
-minetest.register_alias("mapgen_water_source", "default:mg_water_source")
-minetest.register_alias("mapgen_river_water_source", "default:mg_water_source")
-minetest.register_alias("mapgen_lava_source", "default:lava_source")
-minetest.register_alias("mapgen_gravel", "default:gravel")
-minetest.register_alias("mapgen_desert_stone", "default:desert_stone")
-minetest.register_alias("mapgen_desert_sand", "default:desert_sand")
-minetest.register_alias("mapgen_dirt_with_snow", "default:dirt_with_snow")
-minetest.register_alias("mapgen_snowblock", "default:snowblock")
-minetest.register_alias("mapgen_snow", "default:snow")
-minetest.register_alias("mapgen_ice", "default:ice")
-minetest.register_alias("mapgen_sandstone", "default:sandstone")
-minetest.register_alias("mapgen_mossycobble", "default:mossycobble")
-minetest.register_alias("mapgen_cobble","default:cobble")
-minetest.register_alias("mapgen_stair_cobble","stairs:stair_cobble")
-
 minetest.register_alias("default:acacia_tree", "mg:savannatree")
 minetest.register_alias("default:acacia_leaves", "mg:savannaleaves")
 

mods/stairs/init.lua

@@ -261,3 +261,4 @@ stairs.register_stair_and_slab("stonebrick", "default:stonebrick",
 		"Stone Brick Stair",
 		"Stone Brick Slab",
 		default.node_sound_stone_defaults())
+