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annotate cmake/MolkoBuildMaps.cmake @ 295:aec448037320

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rpg: add support for compressed tilesets/maps
author David Demelier <markand@malikania.fr>
date Wed, 10 Mar 2021 16:40:02 +0100
parents cd5bdb995052
children
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1 #
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2 # MolkoBuildMaps.cmake -- CMake build system for molko
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3 #
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4 # Copyright (c) 2020 David Demelier <markand@malikania.fr>
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5 #
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6 # Permission to use, copy, modify, and/or distribute this software for any
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7 # purpose with or without fee is hereby granted, provided that the above
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8 # copyright notice and this permission notice appear in all copies.
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9 #
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10 # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 #
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18
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19 #
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20 # # molko_build_maps
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21 #
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22 # Convert [Tiled][] maps and tilesets into textual representations that can be
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23 # loaded from Molko's Adventure API.
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24 #
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25 # ## Synopsis
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26 #
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27 # ```cmake
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28 # molko_build_maps(
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29 # OUTPUT_DIR output directory
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30 # OUTPUTS output variables
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31 # MAPS (Optional) List of maps
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32 # TILESETS (Optional) List of tilesets
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33 # )
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34 # ```
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35 #
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36 # Argument MAPS and TILESETS should contain list of .json files generated from
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37 # [Tiled][tiled] and store the result in OUTPUT_DIR
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38 #
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39 # Arguments OUTPUTS will be filled with genereted files from CMake and can be
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40 # used as executable and input.
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41 #
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42 # [Tiled]: http://mapeditor.org
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43 #
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44
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45 macro(molko_build_maps)
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46 set(options)
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47 set(oneValueArgs OUTPUTS OUTPUT_DIR)
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48 set(multiValueArgs MAPS TILESETS)
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49
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50 cmake_parse_arguments(CV "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
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51
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52 if (NOT CV_OUTPUT_DIR)
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53 message(FATAL_ERROR "Missing OUTPUT_DIR argument")
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54 endif ()
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55 if (NOT CV_OUTPUTS)
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56 message(FATAL_ERROR "Missing OUTPUTS argument")
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57 endif ()
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58
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59 set(${CV_OUTPUTS})
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60
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61 foreach (i ${CV_MAPS} ${CV_TILESETS})
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62 if (NOT IS_ABSOLUTE ${CMAKE_INSTALL_DATADIR})
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63 set(outputdir ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/${CMAKE_INSTALL_DATADIR}/${CV_OUTPUT_DIR})
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64 else ()
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65 set(outputdir ${CMAKE_CURRENT_BINARY_DIR}/${CV_OUTPUT_DIR})
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66 endif ()
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67
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68 if (${i} IN_LIST CV_MAPS)
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69 set(tool mlk-map)
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70 set(ext .map)
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71 else ()
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72 set(tool mlk-tileset)
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73 set(ext .tileset)
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74 endif ()
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75
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76 string(REGEX REPLACE "\\.json$" ${ext} output ${i})
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77 get_filename_component(output ${output} NAME)
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78
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79 add_custom_command(
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80 OUTPUT ${outputdir}/${output}
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81 VERBATIM
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82 COMMAND
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83 ${CMAKE_COMMAND} -E make_directory ${outputdir}
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84 COMMAND
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85 $<TARGET_FILE:${tool}> < ${i} > ${outputdir}/${output}
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86 COMMENT
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87 "Generating object from ${i}"
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88 DEPENDS $<TARGET_FILE:${tool}> ${i}
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89 )
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90
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91 list(APPEND ${CV_OUTPUTS} ${outputdir}/${output})
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92
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93 install(
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94 FILES ${outputdir}/${output}
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95 DESTINATION ${CMAKE_INSTALL_DATADIR}/${CV_OUTPUT_DIR}
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96 )
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97 endforeach ()
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98 endmacro ()