minetest.register_node('ground:stone', {
	description = 'Stone',
	tiles = {'ground_stone.png'},
	groups = {cracky=3, stone=1},
	drop = 'ground:cobble',
})

minetest.register_node('ground:cobble', {
	description = 'Cobblestone',
	tiles = {'ground_cobble.png'},
	groups = {cracky=3, stone=1},
})

minetest.register_node('ground:dirt', {
	description = 'Dirt',
	tiles = {'ground_dirt.png'},
	groups = {crumbly = 3},
})

minetest.register_node('ground:dirt_with_grass', {
	description = 'Dirt with Grass',
	tiles = {'ground_grass.png', 'ground_dirt.png',
		{name = 'ground_dirt.png^ground_grass_overlay.png',
			tileable_vertical = false}},
	groups = {crumbly = 3, soil = 1, spreading_dirt_type = 1},
	drop = 'ground:dirt',
})


minetest.register_node('ground:sand', {
	description = 'Sand',
	tiles = {'ground_sand.png'},
	groups = {crumbly = 3, falling_node = 1},
})


minetest.register_node('ground:water_source', {
	description = 'Water Source',
	drawtype = 'liquid',
	tiles = {
		{
			name = 'ground_water_source_animated.png',
			animation = {
				type = 'vertical_frames',
				aspect_w = 32,
				aspect_h = 32,
				length = 2.0,
			},
		},
	},
	alpha = 160,
	paramtype = 'light',
	walkable = false,
	pointable = false,
	diggable = false,
	buildable_to = true,
	is_ground_content = false,
	drop = '',
	drowning = 1,
	liquidtype = 'source',
	liquid_alternative_flowing = 'ground:water_flowing',
	liquid_alternative_source = 'ground:water_source',
	liquid_viscosity = 1,
	post_effect_color = {a = 103, r = 30, g = 60, b = 90},
	groups = {water = 3, liquid = 3, puts_out_fire = 1, cools_lava = 1},
})

minetest.register_node('ground:water_flowing', {
	description = 'Flowing Water',
	drawtype = 'flowingliquid',
	tiles = {'ground_water.png'},
	special_tiles = {
		{
			name = 'ground_water_source_animated.png',
			backface_culling = false,
			animation = {
				type = 'vertical_frames',
				aspect_w = 32,
				aspect_h = 32,
				length = 0.8,
			},
		},
		{
			name = 'ground_water_source_animated.png',
			backface_culling = true,
			animation = {
				type = 'vertical_frames',
				aspect_w = 32,
				aspect_h = 32,
				length = 0.8,
			},
		},
	},
	alpha = 160,
	paramtype = 'light',
	paramtype2 = 'flowingliquid',
	walkable = false,
	pointable = false,
	diggable = false,
	buildable_to = true,
	is_ground_content = false,
	drop = '',
	drowning = 1,
	liquidtype = 'flowing',
	liquid_alternative_flowing = 'ground:water_flowing',
	liquid_alternative_source = 'ground:water_source',
	liquid_viscosity = 1,
	post_effect_color = {a = 103, r = 30, g = 60, b = 90},
	groups = {water = 3, liquid = 3, puts_out_fire = 1,
		not_in_creative_inventory = 1, cools_lava = 1},
--	sounds = default.node_sound_water_defaults(),
})