From f1cae3da870560b37adaba2b7b6a9b04f1384ef9 Mon Sep 17 00:00:00 2001
From: migdyn <migdyn@interia.pl>
Date: Sun, 20 Jan 2019 12:36:12 -0500
Subject: [PATCH] Add snow plains biome

---
 mods/main/mapgen.lua                    |  33 +++++++++++++++++-------
 mods/main/nodes.lua                     |  23 +++++++++++++++++
 mods/main/textures/main_dirt_frozen.png | Bin 0 -> 752 bytes
 mods/main/textures/main_ice_thick.png   | Bin 0 -> 541 bytes
 mods/main/textures/main_ice_thin.png    | Bin 0 -> 215 bytes
 5 files changed, 46 insertions(+), 10 deletions(-)
 create mode 100644 mods/main/textures/main_dirt_frozen.png
 create mode 100644 mods/main/textures/main_ice_thick.png
 create mode 100644 mods/main/textures/main_ice_thin.png

diff --git a/mods/main/mapgen.lua b/mods/main/mapgen.lua
index 3ff4dd9..4f76cd8 100644
--- a/mods/main/mapgen.lua
+++ b/mods/main/mapgen.lua
@@ -3,16 +3,8 @@ minetest.register_alias("mapgen_dirt", "main:dirt")
 minetest.register_alias("mapgen_dirt_with_grass", "main:dirt_with_grass")
 minetest.register_alias("mapgen_sand", "main:sand")
 minetest.register_alias("mapgen_water_source", "main:water_source")
-minetest.register_alias("mapgen_river_water_source", "main:river_water_source")
+minetest.register_alias("mapgen_river_water_source", "main:muddywater_source")
 minetest.register_alias("mapgen_lava_source", "main:lava_source")
-minetest.register_alias("mapgen_gravel", "main:gravel")
-minetest.register_alias("mapgen_desert_stone", "main:desert_stone")
-minetest.register_alias("mapgen_desert_sand", "main:desert_sand")
-minetest.register_alias("mapgen_dirt_with_snow", "main:dirt_with_snow")
-minetest.register_alias("mapgen_snowblock", "main:snowblock")
-minetest.register_alias("mapgen_snow", "main:snow")
-minetest.register_alias("mapgen_ice", "main:ice")
-minetest.register_alias("mapgen_sandstone", "main:sandstone")
 
 --------
 --Biomes
@@ -175,8 +167,29 @@ minetest.register_biome(
       y_max = 0,
 
       heat_point = 80,
-      humidity_point = 20,
+      humidity_point = 30,
 })
+
+--Wasteland
+minetest.register_biome(
+   {
+      name = "Snow Plains",
+
+      node_top = "main:snow",
+	  depth_top = 6,
+	  
+	  node_filler = "main:dirt_frozen",
+	  depth_filler = 8,
+	  
+	  node_water = "main:dirt",
+
+      y_min = 1,
+      y_max = 50,
+
+      heat_point = 0,
+      humidity_point = 10,
+})
+
 --------------
 --Scatter ores
 --------------
diff --git a/mods/main/nodes.lua b/mods/main/nodes.lua
index 0521441..2814665 100644
--- a/mods/main/nodes.lua
+++ b/mods/main/nodes.lua
@@ -20,12 +20,35 @@ minetest.register_node("main:dirt", {
 	groups = {crumbly = 3, soil = 1},
 })
 
+minetest.register_node("main:dirt_frozen", {
+	description = "Frozen Dirt",
+	tiles = {"main_dirt_frozen.png"},
+	groups = {cracky = 1},
+})
+
 minetest.register_node("main:snow", {
 	description = "Snow",
 	tiles = {"main_snow.png"},
 	groups = {crumbly = 3},
 })
 
+minetest.register_node("main:ice_thin", {
+	drawtype = "allfaces",
+	paramtype = "light",
+	light_propagates = true,
+	sunlight_propagates = true,
+	alpha = 10,
+	description = "Thin Ice",
+	tiles = {"main_ice_thin.png"},
+	groups = {cracky = 3},
+})
+
+minetest.register_node("main:ice_thick", {
+	description = "Thick Ice",
+	tiles = {"main_ice_thick.png"},
+	groups = {cracky = 1},
+})
+
 minetest.register_node("main:dirt_with_grass", {
 	description = "Dirt with Grass",
 	tiles = {"main_grass.png", "main_dirt.png",
diff --git a/mods/main/textures/main_dirt_frozen.png b/mods/main/textures/main_dirt_frozen.png
new file mode 100644
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diff --git a/mods/main/textures/main_ice_thick.png b/mods/main/textures/main_ice_thick.png
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