--[[

k_smallblocks is a Minetest mod that adds smaller blocks to minetest aswell as 
its own node placement prediction/system

Copyright (C) 2019 Kurtzmusch

This file is part of k_smallblocks

k_smallblocks is free software; you can redistribute it and/or modify it under 
the terms of the GNU Lesser General Public License as published by the Free 
Software Foundation; either version 2.1 of the License, or (at your option) any
later version.

k_smallblocks is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along
with k_smallblocks. If not, see <https://www.gnu.org/licenses/>.

--]]
for key_int, val_bitmap_as_int in pairs( smallblocks.origin_bitmaps ) do
	local bitmap_as_int = val_bitmap_as_int
		
	local bitmap = util.integer_to_bitmap( bitmap_as_int )
	local rotated_bitmap = bitmap
	local facedir = 0

	-- rotations around +y
	smallblocks.int_facedir_map[util.bitmap_to_integer( rotated_bitmap )] = facedir
	smallblocks.int_name_map[util.bitmap_to_integer( rotated_bitmap )] = ""..bitmap_as_int
	facedir = facedir + 1
	for i = 1, 3, 1 do
		rotated_bitmap = util.rotate_bitmap_around_plus_y( rotated_bitmap )
		smallblocks.int_facedir_map[util.bitmap_to_integer( rotated_bitmap )] = facedir
		smallblocks.int_name_map[util.bitmap_to_integer( rotated_bitmap )] = ""..bitmap_as_int	
		facedir = facedir + 1
	end

	rotated_bitmap = util.orient_bitmap_towards_plus_z( bitmap )
	smallblocks.int_facedir_map[util.bitmap_to_integer( rotated_bitmap )] = facedir
	smallblocks.int_name_map[util.bitmap_to_integer( rotated_bitmap )] = ""..bitmap_as_int
	facedir = facedir + 1
	for i = 1, 3, 1 do
		rotated_bitmap = util.rotate_bitmap_around_plus_z( rotated_bitmap )
		smallblocks.int_facedir_map[util.bitmap_to_integer( rotated_bitmap )] = facedir
		smallblocks.int_name_map[util.bitmap_to_integer( rotated_bitmap )] = ""..bitmap_as_int
		facedir = facedir + 1
	end

	rotated_bitmap = util.orient_bitmap_towards_minus_z( bitmap )
	smallblocks.int_facedir_map[util.bitmap_to_integer( rotated_bitmap )] = facedir
	smallblocks.int_name_map[util.bitmap_to_integer( rotated_bitmap )] = ""..bitmap_as_int
	facedir = facedir + 1
	for i = 1, 3, 1 do
		rotated_bitmap = util.rotate_bitmap_around_minus_z( rotated_bitmap )
		smallblocks.int_facedir_map[util.bitmap_to_integer( rotated_bitmap )] = facedir
		smallblocks.int_name_map[util.bitmap_to_integer( rotated_bitmap )] = ""..bitmap_as_int
		facedir = facedir + 1
	end

	rotated_bitmap = util.orient_bitmap_towards_plus_x( bitmap )
	smallblocks.int_facedir_map[util.bitmap_to_integer( rotated_bitmap )] = facedir
	smallblocks.int_name_map[util.bitmap_to_integer( rotated_bitmap )] = ""..bitmap_as_int
	facedir = facedir + 1
	for i = 1, 3, 1 do
		rotated_bitmap = util.rotate_bitmap_around_plus_x( rotated_bitmap )
		smallblocks.int_facedir_map[util.bitmap_to_integer( rotated_bitmap )] = facedir
		smallblocks.int_name_map[util.bitmap_to_integer( rotated_bitmap )] = ""..bitmap_as_int
		facedir = facedir + 1
	end

	rotated_bitmap = util.orient_bitmap_towards_minus_x( bitmap )
	smallblocks.int_facedir_map[util.bitmap_to_integer( rotated_bitmap )] = facedir
	smallblocks.int_name_map[util.bitmap_to_integer( rotated_bitmap )] = ""..bitmap_as_int
	facedir = facedir + 1
	for i = 1, 3, 1 do
		rotated_bitmap = util.rotate_bitmap_around_minus_x( rotated_bitmap )
		smallblocks.int_facedir_map[util.bitmap_to_integer( rotated_bitmap )] = facedir
		smallblocks.int_name_map[util.bitmap_to_integer( rotated_bitmap )] = ""..bitmap_as_int
		facedir = facedir + 1
	end

	rotated_bitmap = util.orient_bitmap_towards_minus_y( bitmap )
	smallblocks.int_facedir_map[util.bitmap_to_integer( rotated_bitmap )] = facedir
	smallblocks.int_name_map[util.bitmap_to_integer( rotated_bitmap )] = ""..bitmap_as_int
	facedir = facedir + 1
	for i = 1, 3, 1 do
		rotated_bitmap = util.rotate_bitmap_around_minus_y( rotated_bitmap )
		smallblocks.int_facedir_map[util.bitmap_to_integer( rotated_bitmap )] = facedir
		smallblocks.int_name_map[util.bitmap_to_integer( rotated_bitmap )] = ""..bitmap_as_int
		facedir = facedir + 1
	end

end

for i = 1, 255, 1 do
	minetest.log( "none", i.." maps to " .. smallblocks.int_name_map[i] .. " facedir:" .. smallblocks.int_facedir_map[i] )
end


local test_bitmap_plus_y = util.integer_to_bitmap( 1 )
local test_bitmap = test_bitmap_plus_y
test_bitmap = util.orient_bitmap_towards_minus_x( test_bitmap_plus_y )

minetest.log( "error", "tb-x" .. util.bitmap_to_integer( test_bitmap ) )

test_bitmap = util.orient_bitmap_towards_plus_x( test_bitmap_plus_y )

minetest.log( "error", "tb+x" .. util.bitmap_to_integer( test_bitmap ) )

test_bitmap = util.orient_bitmap_towards_minus_z( test_bitmap_plus_y )

minetest.log( "error", "tb-z" .. util.bitmap_to_integer( test_bitmap ) )
test_bitmap = util.orient_bitmap_towards_plus_z( test_bitmap_plus_y )

minetest.log( "error", "tb+z" .. util.bitmap_to_integer( test_bitmap ) )