#
# CMakeLists.txt -- CMake build system for Molko's Engine
#
# Copyright (c) 2020-2022 David Demelier <markand@malikania.fr>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#

function(mlk_tileset input output)
	set(cmd COMMAND $<TARGET_FILE:mlk-tileset> < ${input} > ${output})

	add_custom_command(
		OUTPUT ${output}
		COMMAND ${cmd}
		DEPENDS $<TARGET_FILE:mlk-tileset>
		COMMENT "Generating tileset ${output}"
	)
endfunction()

macro(mlk_tilesets inputs output_directory output_var)
	file(MAKE_DIRECTORY ${output_directory})

	foreach (i ${inputs})
		get_filename_component(filename ${i} NAME_WE)
		mlk_tileset(${i} ${output_directory}/${filename}.tileset)
		list(APPEND ${output_var} ${output_directory}/${filename}.tileset)
	endforeach ()
endmacro()