# Aliens vs Predator Linux - http://icculus.org/avp/
# CMake 2.8 project
CMAKE_MINIMUM_REQUIRED(VERSION 2.8)

# default to Release
IF(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
    MESSAGE(STATUS "No build type specified, defaulting to Release")
    SET(CMAKE_BUILD_TYPE Release CACHE STRING "Build type; one of: Debug Release RelWithDebInfo MinSizeRel" FORCE)
    SET_PROPERTY(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
ENDIF(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)

PROJECT(avp)

# required dependencies
INCLUDE(FindOpenGLES.cmake)
INCLUDE(FindOpenGLES2.cmake)
INCLUDE(FindSDL2.cmake)
INCLUDE(FindSDL)
INCLUDE(FindOpenGL)
INCLUDE(FindOpenAL)

# Use SDL 1.2 if it is installed, else use SDL 2.0.
IF(NOT SDL_TYPE)
    SET(SDL_TYPE AUTO CACHE STRING "SDL Version; one of: AUTO SDL SDL2")
    SET_PROPERTY(CACHE SDL_TYPE PROPERTY STRINGS "AUTO" "SDL" "SDL2")
ENDIF(NOT SDL_TYPE)

IF(NOT SDL_TYPE STREQUAL "AUTO" AND NOT SDL_TYPE STREQUAL "SDL" AND NOT SDL_TYPE STREQUAL "SDL2")
    MESSAGE(FATAL_ERROR "Invalid SDL_TYPE setting ${SDL_TYPE}; must be one of AUTO SDL SDL2")
ENDIF(NOT SDL_TYPE STREQUAL "AUTO" AND NOT SDL_TYPE STREQUAL "SDL" AND NOT SDL_TYPE STREQUAL "SDL2")

IF(SDL_FOUND)
    IF(SDL_VERSION_STRING VERSION_LESS "1.2.0")
        MESSAGE(WARNING "SDL 1.2 was claimed to be found with version ${SDL_VERSION_STRING}, ignoring...")
        UNSET(SDL_FOUND)
    ENDIF(SDL_VERSION_STRING VERSION_LESS "1.2.0")

    IF(SDL_VERSION_STRING VERSION_GREATER "1.2.99")
        MESSAGE(WARNING "SDL 1.2 was claimed to be found with version ${SDL_VERSION_STRING}, ignoring...")
        UNSET(SDL_FOUND)
    ENDIF(SDL_VERSION_STRING VERSION_GREATER "1.2.99")
ENDIF(SDL_FOUND)

IF(SDL_TYPE STREQUAL "AUTO")
    IF(SDL_FOUND)
	MESSAGE(STATUS "SDL 1.2 found; using that.")
        SET(SDL_TYPE "SDL")
    ENDIF(SDL_FOUND)
ENDIF(SDL_TYPE STREQUAL "AUTO")

IF(SDL_TYPE STREQUAL "AUTO")
    IF(SDL2_FOUND)
        MESSAGE(STATUS "SDL 2.0 found; using that.")
        SET(SDL_TYPE "SDL2")
    ENDIF(SDL2_FOUND)
ENDIF(SDL_TYPE STREQUAL "AUTO")

IF(SDL_TYPE STREQUAL "AUTO")
  MESSAGE(FATAL_ERROR "SDL 1.2 or SDL 2.0 is required but CMake couldn't find it.")
ENDIF(SDL_TYPE STREQUAL "AUTO")

IF(SDL_TYPE STREQUAL "SDL")
    IF(NOT SDL_FOUND)
        MESSAGE(FATAL_ERROR "SDL 1.2 was requested but CMake couldn't find it.")
    ENDIF(NOT SDL_FOUND)
ENDIF(SDL_TYPE STREQUAL "SDL")

IF(SDL_TYPE STREQUAL "SDL2")
    IF(NOT SDL2_FOUND)
        MESSAGE(FATAL_ERROR "SDL 2.0 was requested but CMake couldn't find it.")
    ENDIF(NOT SDL2_FOUND)
    MESSAGE(WARNING "SDL 2.0 support is EXPERIMENTAL and INCOMPLETE.")
ENDIF(SDL_TYPE STREQUAL "SDL2")

# Use Desktop OpenGL if it is available, else try OpenGL ES.
IF(NOT OPENGL_TYPE)
    SET(OPENGL_TYPE AUTO CACHE STRING "OpenGL Version; one of: AUTO OPENGL OPENGLES")
    SET_PROPERTY(CACHE OPENGL_TYPE PROPERTY STRINGS "AUTO" "OPENGL" "OPENGLES")
ENDIF(NOT OPENGL_TYPE)

IF(NOT OPENGL_TYPE STREQUAL "AUTO" AND NOT OPENGL_TYPE STREQUAL "OPENGL" AND NOT OPENGL_TYPE STREQUAL "OPENGLES")
    MESSAGE(FATAL_ERROR "Invalid OPENGL_TYPE setting ${OPENGL_TYPE}; must be one of AUTO OPENGL OPENGLES")
ENDIF(NOT OPENGL_TYPE STREQUAL "AUTO" AND NOT OPENGL_TYPE STREQUAL "OPENGL" AND NOT OPENGL_TYPE STREQUAL "OPENGLES")

IF(OPENGL_TYPE STREQUAL "AUTO")
  IF(OPENGL_FOUND)
    MESSAGE(STATUS "OpenGL found; using that.")
    SET(OPENGL_TYPE "OPENGL")
  ENDIF(OPENGL_FOUND)
ENDIF(OPENGL_TYPE STREQUAL "AUTO")

IF(OPENGL_TYPE STREQUAL "AUTO")
  IF(OPENGLES_FOUND)
    MESSAGE(STATUS "OpenGL ES found; using that.")
    SET(OPENGL_TYPE "OPENGLES")
  ENDIF(OPENGLES_FOUND)
ENDIF(OPENGL_TYPE STREQUAL "AUTO")

IF(OPENGL_TYPE STREQUAL "AUTO")
  MESSAGE(FATAL_ERROR "OpenGL is required but CMake couldn't find it.")
ENDIF(OPENGL_TYPE STREQUAL "AUTO")

IF(OPENGL_TYPE STREQUAL "OPENGL")
  IF(NOT OPENGL_FOUND)
    MESAGE(FATAL_ERROR "OpenGL was requested but CMake couldn't find it.")
  ENDIF(NOT OPENGL_FOUND)
ENDIF(OPENGL_TYPE STREQUAL "OPENGL")

IF(OPENGL_TYPE STREQUAL "OPENGLES")
  IF(NOT OPENGLES_FOUND)
    MESSAGE(FATAL_ERROR "OpenGL ES was requested but CMake couldn't find it.")
  ENDIF(NOT OPENGLES_FOUND)
ENDIF(OPENGL_TYPE STREQUAL "OPENGLES")

# OpenAL
IF(NOT OPENAL_FOUND)
    MESSAGE(FATAL_ERROR "OpenAL is required but CMake couldn't find it.")
ENDIF(NOT OPENAL_FOUND)

# required source files
LIST(APPEND source src/files.c)
LIST(APPEND source src/winapi.c)
LIST(APPEND source src/stubs.c)
LIST(APPEND source src/version.c)
LIST(APPEND source src/mathline.c)
LIST(APPEND source src/net.c)
LIST(APPEND source src/frustum.c)
LIST(APPEND source src/kshape.c)
LIST(APPEND source src/map.c)
LIST(APPEND source src/maths.c)
LIST(APPEND source src/md5.c)
LIST(APPEND source src/mem3dc.c)
LIST(APPEND source src/mem3dcpp.cpp)
LIST(APPEND source src/module.c)
LIST(APPEND source src/morph.c)
LIST(APPEND source src/object.c)
LIST(APPEND source src/shpanim.c)
LIST(APPEND source src/sphere.c)
LIST(APPEND source src/tables.c)
LIST(APPEND source src/vdb.c)
LIST(APPEND source src/avp/ai_sight.c)
LIST(APPEND source src/avp/avpview.c)
LIST(APPEND source src/avp/bh_agun.c)
LIST(APPEND source src/avp/bh_ais.c)
LIST(APPEND source src/avp/bh_alien.c)
LIST(APPEND source src/avp/bh_binsw.c)
LIST(APPEND source src/avp/bh_cable.c)
LIST(APPEND source src/avp/bh_corpse.c)
LIST(APPEND source src/avp/bh_deathvol.c)
LIST(APPEND source src/avp/bh_debri.c)
LIST(APPEND source src/avp/bh_dummy.c)
LIST(APPEND source src/avp/bh_fan.c)
LIST(APPEND source src/avp/bh_far.c)
LIST(APPEND source src/avp/bh_fhug.c)
LIST(APPEND source src/avp/bh_gener.c)
LIST(APPEND source src/avp/bh_ldoor.c)
LIST(APPEND source src/avp/bh_lift.c)
LIST(APPEND source src/avp/bh_light.c)
LIST(APPEND source src/avp/bh_lnksw.c)
LIST(APPEND source src/avp/bh_ltfx.c)
LIST(APPEND source src/avp/bh_marin.c)
LIST(APPEND source src/avp/bh_mission.c)
LIST(APPEND source src/avp/bh_near.c)
LIST(APPEND source src/avp/bh_pargen.c)
LIST(APPEND source src/avp/bh_plachier.c)
LIST(APPEND source src/avp/bh_plift.c)
LIST(APPEND source src/avp/bh_pred.c)
LIST(APPEND source src/avp/bh_queen.c)
LIST(APPEND source src/avp/bh_rubberduck.c)
LIST(APPEND source src/avp/bh_selfdest.c)
LIST(APPEND source src/avp/bh_snds.c)
LIST(APPEND source src/avp/bh_spcl.c)
LIST(APPEND source src/avp/bh_swdor.c)
LIST(APPEND source src/avp/bh_track.c)
LIST(APPEND source src/avp/bh_types.c)
LIST(APPEND source src/avp/bh_videoscreen.c)
LIST(APPEND source src/avp/bh_waypt.c)
LIST(APPEND source src/avp/bh_weap.c)
LIST(APPEND source src/avp/bh_xeno.c)
LIST(APPEND source src/avp/bonusabilities.c)
LIST(APPEND source src/avp/cconvars.cpp)
LIST(APPEND source src/avp/cdtrackselection.cpp)
LIST(APPEND source src/avp/cheatmodes.c)
LIST(APPEND source src/avp/comp_map.c)
LIST(APPEND source src/avp/comp_shp.c)
LIST(APPEND source src/avp/consolelog.cpp)
LIST(APPEND source src/avp/davehook.cpp)
LIST(APPEND source src/avp/deaths.c)
LIST(APPEND source src/avp/decal.c)
LIST(APPEND source src/avp/detaillevels.c)
LIST(APPEND source src/avp/dynamics.c)
LIST(APPEND source src/avp/dynblock.c)
LIST(APPEND source src/avp/equipmnt.c)
LIST(APPEND source src/avp/extents.c)
LIST(APPEND source src/avp/game.c)
LIST(APPEND source src/avp/game_statistics.c)
LIST(APPEND source src/avp/gamecmds.cpp)
LIST(APPEND source src/avp/gamevars.cpp)
LIST(APPEND source src/avp/hmodel.c)
LIST(APPEND source src/avp/hud.c)
LIST(APPEND source src/avp/inventry.c)
LIST(APPEND source src/avp/language.c)
LIST(APPEND source src/avp/lighting.c)
LIST(APPEND source src/avp/load_shp.c)
LIST(APPEND source src/avp/los.c)
LIST(APPEND source src/avp/mempool.c)
LIST(APPEND source src/avp/messagehistory.c)
LIST(APPEND source src/avp/missions.cpp)
LIST(APPEND source src/avp/movement.c)
LIST(APPEND source src/avp/paintball.c)
LIST(APPEND source src/avp/particle.c)
LIST(APPEND source src/avp/pfarlocs.c)
LIST(APPEND source src/avp/pheromon.c)
LIST(APPEND source src/avp/player.c)
LIST(APPEND source src/avp/pmove.c)
LIST(APPEND source src/avp/psnd.c)
LIST(APPEND source src/avp/psndproj.c)
LIST(APPEND source src/avp/pvisible.c)
LIST(APPEND source src/avp/savegame.c)
LIST(APPEND source src/avp/scream.cpp)
LIST(APPEND source src/avp/secstats.c)
LIST(APPEND source src/avp/sfx.c)
LIST(APPEND source src/avp/stratdef.c)
LIST(APPEND source src/avp/targeting.c)
LIST(APPEND source src/avp/track.c)
LIST(APPEND source src/avp/triggers.c)
LIST(APPEND source src/avp/weapons.c)
LIST(APPEND source src/avp/shapes/cube.c)
LIST(APPEND source src/avp/support/consbind.cpp)
LIST(APPEND source src/avp/support/consbtch.cpp)
LIST(APPEND source src/avp/support/coordstr.cpp)
LIST(APPEND source src/avp/support/daemon.cpp)
LIST(APPEND source src/avp/support/indexfnt.cpp)
LIST(APPEND source src/avp/support/r2base.cpp)
LIST(APPEND source src/avp/support/r2pos666.cpp)
LIST(APPEND source src/avp/support/reflist.cpp)
LIST(APPEND source src/avp/support/refobj.cpp)
LIST(APPEND source src/avp/support/rentrntq.cpp)
LIST(APPEND source src/avp/support/scstring.cpp)
LIST(APPEND source src/avp/support/strtab.cpp)
LIST(APPEND source src/avp/support/strutil.c)
LIST(APPEND source src/avp/support/trig666.cpp)
LIST(APPEND source src/avp/support/wrapstr.cpp)
LIST(APPEND source src/avp/win95/avpchunk.cpp)
LIST(APPEND source src/avp/win95/cheat.c)
LIST(APPEND source src/avp/win95/chtcodes.cpp)
LIST(APPEND source src/avp/win95/d3d_hud.cpp)
LIST(APPEND source src/avp/win95/ddplat.cpp)
LIST(APPEND source src/avp/win95/endianio.c)
LIST(APPEND source src/avp/win95/ffread.cpp)
LIST(APPEND source src/avp/win95/ffstdio.cpp)
LIST(APPEND source src/avp/win95/gammacontrol.cpp)
LIST(APPEND source src/avp/win95/hierplace.cpp)
LIST(APPEND source src/avp/win95/iofocus.cpp)
LIST(APPEND source src/avp/win95/jsndsup.cpp)
LIST(APPEND source src/avp/win95/kzsort.c)
LIST(APPEND source src/avp/win95/langplat.c)
LIST(APPEND source src/avp/win95/modcmds.cpp)
LIST(APPEND source src/avp/win95/npcsetup.cpp)
LIST(APPEND source src/avp/win95/objsetup.cpp)
LIST(APPEND source src/avp/win95/pathchnk.cpp)
LIST(APPEND source src/avp/win95/platsup.c)
LIST(APPEND source src/avp/win95/pldghost.c)
LIST(APPEND source src/avp/win95/pldnet.c)
LIST(APPEND source src/avp/win95/progress_bar.cpp)
LIST(APPEND source src/avp/win95/projload.cpp)
LIST(APPEND source src/avp/win95/scrshot.cpp)
LIST(APPEND source src/avp/win95/strachnk.cpp)
LIST(APPEND source src/avp/win95/system.c)
LIST(APPEND source src/avp/win95/usr_io.c)
LIST(APPEND source src/avp/win95/vision.c)
LIST(APPEND source src/avp/win95/frontend/avp_envinfo.c)
LIST(APPEND source src/avp/win95/frontend/avp_intro.cpp)
LIST(APPEND source src/avp/win95/frontend/avp_menudata.c)
LIST(APPEND source src/avp/win95/frontend/avp_menus.c)
LIST(APPEND source src/avp/win95/frontend/avp_mp_config.cpp)
LIST(APPEND source src/avp/win95/frontend/avp_userprofile.cpp)
LIST(APPEND source src/avp/win95/gadgets/ahudgadg.cpp)
LIST(APPEND source src/avp/win95/gadgets/conscmnd.cpp)
LIST(APPEND source src/avp/win95/gadgets/conssym.cpp)
LIST(APPEND source src/avp/win95/gadgets/consvar.cpp)
LIST(APPEND source src/avp/win95/gadgets/gadget.cpp)
LIST(APPEND source src/avp/win95/gadgets/hudgadg.cpp)
LIST(APPEND source src/avp/win95/gadgets/rootgadg.cpp)
LIST(APPEND source src/avp/win95/gadgets/t_ingadg.cpp)
LIST(APPEND source src/avp/win95/gadgets/teletype.cpp)
LIST(APPEND source src/avp/win95/gadgets/textexp.cpp)
LIST(APPEND source src/avp/win95/gadgets/textin.cpp)
LIST(APPEND source src/avp/win95/gadgets/trepgadg.cpp)
LIST(APPEND source src/win95/animchnk.cpp)
LIST(APPEND source src/win95/animobs.cpp)
LIST(APPEND source src/win95/awtexld.cpp)
LIST(APPEND source src/win95/awbmpld.cpp)
LIST(APPEND source src/win95/awiffld.cpp)
LIST(APPEND source src/win95/awpnmld.cpp)
LIST(APPEND source src/win95/bmpnames.cpp)
LIST(APPEND source src/win95/chnkload.cpp)
LIST(APPEND source src/win95/chnktexi.cpp)
LIST(APPEND source src/win95/chnktype.cpp)
LIST(APPEND source src/win95/chunk.cpp)
LIST(APPEND source src/win95/chunkpal.cpp)
LIST(APPEND source src/win95/db.c)
LIST(APPEND source src/win95/debuglog.cpp)
LIST(APPEND source src/win95/dummyobjectchunk.cpp)
LIST(APPEND source src/win95/enumchnk.cpp)
LIST(APPEND source src/win95/enumsch.cpp)
LIST(APPEND source src/win95/envchunk.cpp)
LIST(APPEND source src/win95/fail.c)
LIST(APPEND source src/win95/fragchnk.cpp)
LIST(APPEND source src/win95/gsprchnk.cpp)
LIST(APPEND source src/win95/hierchnk.cpp)
LIST(APPEND source src/win95/huffman.cpp)
LIST(APPEND source src/win95/iff.cpp)
LIST(APPEND source src/win95/iff_ilbm.cpp)
LIST(APPEND source src/win95/ilbm_ext.cpp)
LIST(APPEND source src/win95/io.c)
LIST(APPEND source src/win95/list_tem.cpp)
LIST(APPEND source src/win95/ltchunk.cpp)
LIST(APPEND source src/win95/media.cpp)
LIST(APPEND source src/win95/mishchnk.cpp)
LIST(APPEND source src/win95/obchunk.cpp)
LIST(APPEND source src/win95/oechunk.cpp)
LIST(APPEND source src/win95/our_mem.c)
LIST(APPEND source src/win95/plat_shp.c)
LIST(APPEND source src/win95/plspecfn.c)
LIST(APPEND source src/win95/shpchunk.cpp)
LIST(APPEND source src/win95/sndchunk.cpp)
LIST(APPEND source src/win95/sprchunk.cpp)
LIST(APPEND source src/win95/string.cpp)
LIST(APPEND source src/win95/texio.c)
LIST(APPEND source src/win95/toolchnk.cpp)
LIST(APPEND source src/win95/txioctrl.cpp)
LIST(APPEND source src/win95/wpchunk.cpp)
LIST(APPEND source src/win95/zsp.cpp)
LIST(APPEND source src/opengl.c)
LIST(APPEND source src/oglfunc.c)
LIST(APPEND source src/fmv.c)
LIST(APPEND source src/openal.c)
LIST(APPEND source src/cdplayer.c)
LIST(APPEND source src/menus.c)

IF(SDL_TYPE STREQUAL "SDL")
    LIST(APPEND source src/main.c)

    # SDL 1.2 on OS X requires this support file
    IF(APPLE AND ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
        LIST(APPEND source src/sdl12/sdlmain.m)
    ENDIF(APPLE AND ${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
ENDIF(SDL_TYPE STREQUAL "SDL")

IF(SDL_TYPE STREQUAL "SDL2")
    LIST(APPEND source src/main2.c)
ENDIF(SDL_TYPE STREQUAL "SDL2")

### build all source as C++
### (not normally used)
##SET_SOURCE_FILES_PROPERTIES(${source} PROPERTIES LANGUAGE CXX)

# auto-include directories with source files
FOREACH(sourcefile IN LISTS source)
    GET_FILENAME_COMPONENT(includedir ${sourcefile} PATH) # newer CMake uses DIRECTORY
    LIST(APPEND include ${includedir})
ENDFOREACH(sourcefile)
INCLUDE_DIRECTORIES(${include})

# manually include src/include
INCLUDE_DIRECTORIES(src/include)

ADD_EXECUTABLE(avp ${source})

# required dependencies
IF(SDL_TYPE STREQUAL "SDL")
    INCLUDE_DIRECTORIES(${SDL_INCLUDE_DIR})
ENDIF(SDL_TYPE STREQUAL "SDL")

IF(SDL_TYPE STREQUAL "SDL2")
    INCLUDE_DIRECTORIES(${SDL2_INCLUDE_DIR})
ENDIF(SDL_TYPE STREQUAL "SDL2")

IF(OPENGL_TYPE STREQUAL "OPENGL")
  INCLUDE_DIRECTORIES(${OPENGL_INCLUDE_DIR})
ENDIF(OPENGL_TYPE STREQUAL "OPENGL")

IF(OPENGL_TYPE STREQUAL "OPENGLES")
  ADD_DEFINITIONS(-DUSE_OPENGL_ES=1)
  INCLUDE_DIRECTORIES(${OPENGLES_INCLUDE_DIR})
  INCLUDE_DIRECTORIES(${EGL_INCLUDE_DIR})
ENDIF(OPENGL_TYPE STREQUAL "OPENGLES")

INCLUDE_DIRECTORIES(${OPENAL_INCLUDE_DIR})

IF(SDL_TYPE STREQUAL "SDL")
    TARGET_LINK_LIBRARIES(avp ${SDL_LIBRARY})
ENDIF(SDL_TYPE STREQUAL "SDL")

IF(SDL_TYPE STREQUAL "SDL2")
    TARGET_LINK_LIBRARIES(avp ${SDL2_LIBRARY})
ENDIF(SDL_TYPE STREQUAL "SDL2")

IF(OPENGL_TYPE STREQUAL "OPENGL")
  TARGET_LINK_LIBRARIES(avp ${OPENGL_gl_LIBRARY})
ENDIF(OPENGL_TYPE STREQUAL "OPENGL")

IF(OPENGL_TYPE STREQUAL "OPENGLES")
  TARGET_LINK_LIBRARIES(avp ${OPENGLES_gl_LIBRARY})
  TARGET_LINK_LIBRARIES(avp ${EGL_LIBRARIES})
ENDIF(OPENGL_TYPE STREQUAL "OPENGLES")

TARGET_LINK_LIBRARIES(avp ${OPENAL_LIBRARY})