cmake_modules/FindSDL_Extras.cmake
author nemo
Thu, 28 Feb 2013 23:15:33 -0500
changeset 8617 e7bea88096d2
parent 8347 716c05f19401
permissions -rw-r--r--
So. A while ago, while trying to prevent hogs blowtorching getting turned around, unc0rr altered the old range of blowtorch from 1/8th of 180° up or down, to a 4° gain in upwards and a -4° loss in downwards. He also made it so that starting tunnels could fail to erase sufficient terrain, trapping hogs. Here are a couple of workarounds to more closely approximate old behaviour (do some initial erasure, adjust min/max angles)
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#if the headers are not installed, the newer apis won't be activated
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#find which version of SDL_mixer we have (for Mix_Init)
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find_file(sdlmixer_h SDL_mixer.h ${SDLMIXER_INCLUDE_DIR})
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if(sdlmixer_h)
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    file(STRINGS ${sdlmixer_h} sdlmixer_majorversion_tmp REGEX "SDL_MIXER_MAJOR_VERSION[\t' ']+[0-9]+")
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    file(STRINGS ${sdlmixer_h} sdlmixer_minorversion_tmp REGEX "SDL_MIXER_MINOR_VERSION[\t' ']+[0-9]+")
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    file(STRINGS ${sdlmixer_h} sdlmixer_patchversion_tmp REGEX "SDL_MIXER_PATCHLEVEL[\t' ']+[0-9]+")
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    string(REGEX MATCH ".([0-9]+)" sdlmixer_majorversion "${sdlmixer_majorversion_tmp}")
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    string(REGEX MATCH ".([0-9]+)" sdlmixer_minorversion "${sdlmixer_minorversion_tmp}")
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    string(REGEX MATCH ".([0-9]+)" sdlmixer_patchversion "${sdlmixer_patchversion_tmp}")
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    math(EXPR sdlmixer_version "${sdlmixer_majorversion}*10000 + ${sdlmixer_minorversion}*100 + ${sdlmixer_patchversion}")
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    if(sdlmixer_version GREATER "10209")
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        message(STATUS "Mix_Init() is present")
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        list(APPEND pascal_flags "-dSDL_MIXER_NEWER")
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    endif()
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endif()
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#find which version of SDL_image we have (for IMG_Init)
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find_file(sdlimage_h SDL_image.h ${SDLIMAGE_INCLUDE_DIR})
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if(sdlimage_h)
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    file(STRINGS ${sdlimage_h} sdlimage_majorversion_tmp REGEX "SDL_IMAGE_MAJOR_VERSION[\t' ']+[0-9]+")
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    file(STRINGS ${sdlimage_h} sdlimage_minorversion_tmp REGEX "SDL_IMAGE_MINOR_VERSION[\t' ']+[0-9]+")
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    file(STRINGS ${sdlimage_h} sdlimage_patchversion_tmp REGEX "SDL_IMAGE_PATCHLEVEL[\t' ']+[0-9]+")
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    string(REGEX MATCH ".([0-9]+)" sdlimage_majorversion "${sdlimage_majorversion_tmp}")
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    string(REGEX MATCH ".([0-9]+)" sdlimage_minorversion "${sdlimage_minorversion_tmp}")
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    string(REGEX MATCH ".([0-9]+)" sdlimage_patchversion "${sdlimage_patchversion_tmp}")
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    math(EXPR sdlimage_version "${sdlimage_majorversion}*10000 + ${sdlimage_minorversion}*100 + ${sdlimage_patchversion}")
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    if(sdlimage_version GREATER "010207")
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        message(STATUS "IMG_Init() is present")
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        list(APPEND pascal_flags "-dSDL_IMAGE_NEWER")
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    endif()
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endif()
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