From de3633e7422f1aa54fde74e91e824c277a47f3e7 Mon Sep 17 00:00:00 2001
From: Thomas Krijnen <t.krijnen@gmail.com>
Date: Fri, 10 May 2019 14:35:00 +0200
Subject: [PATCH] Cmake find voxels

---
 cmake/CMakeLists.txt | 13 +++++++++++--
 win/run-cmake.bat    |  6 +++++-
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 17f4a1e173..a68764ff46 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -43,6 +43,7 @@ OPTION(BUILD_GEOMSERVER "Build IfcGeomServer executable." ON)
 OPTION(BUILD_CONVERT "Build IfcConvert executable." ON)
 OPTION(USE_VLD "Use Visual Leak Detector for debugging memory leaks, MSVC-only." OFF)
 OPTION(USE_MMAP "Adds a command line options to parse IFC files from memory mapped files using Boost.Iostreams" OFF)
+OPTION(USE_VOXELS "Use voxelized geometries as a fallback mechanism to calculate quantities in IfcGeomServer" OFF)
 if (${HAS_MAX})
 OPTION(BUILD_IFCMAX "Build IfcMax, a 3ds Max plug-in, Windows-only." ON)
 endif()
@@ -115,6 +116,8 @@ UNIFY_ENVVARS_AND_CACHE(GMP_INCLUDE_DIR)
 UNIFY_ENVVARS_AND_CACHE(GMP_LIBRARY_DIR)
 UNIFY_ENVVARS_AND_CACHE(MPFR_INCLUDE_DIR)
 UNIFY_ENVVARS_AND_CACHE(MPFR_LIBRARY_DIR)
+UNIFY_ENVVARS_AND_CACHE(VOXEL_INCLUDE_DIR)
+UNIFY_ENVVARS_AND_CACHE(VOXEL_LIBRARY_DIR)
 
 if (GLTF_SUPPORT)
 UNIFY_ENVVARS_AND_CACHE(JSON_INCLUDE_DIR)
@@ -172,6 +175,12 @@ if (IFCXML_SUPPORT)
     add_definitions(-DWITH_IFCXML)
 endif()
 
+if (USE_VOXELS)
+    FIND_LIBRARY(libvoxel NAMES voxel libvoxel PATHS ${VOXEL_LIBRARY_DIR} NO_DEFAULT_PATH)
+    FIND_LIBRARY(libvoxec NAMES voxec libvoxec PATHS ${VOXEL_LIBRARY_DIR} NO_DEFAULT_PATH)
+    set(VOXEL_LIBRARIES ${libvoxel} ${libvoxec})
+endif()
+
 FIND_PACKAGE(Boost REQUIRED COMPONENTS ${BOOST_COMPONENTS})
 MESSAGE(STATUS "Boost include files found in ${Boost_INCLUDE_DIRS}")
 MESSAGE(STATUS "Boost libraries found in ${Boost_LIBRARY_DIRS}")
@@ -497,7 +506,7 @@ endif()
 
 INCLUDE_DIRECTORIES(${INCLUDE_DIRECTORIES} ${OCC_INCLUDE_DIR} ${OPENCOLLADA_INCLUDE_DIRS}
 	${Boost_INCLUDE_DIRS} ${LIBXML2_INCLUDE_DIR} ${JSON_INCLUDE_DIR}
-	${CGAL_INCLUDE_DIR} ${GMP_INCLUDE_DIR} ${MPFR_INCLUDE_DIR}
+	${CGAL_INCLUDE_DIR} ${GMP_INCLUDE_DIR} ${MPFR_INCLUDE_DIR} ${VOXEL_INCLUDE_DIR}
 )
 
 function(files_for_ifc_version IFC_VERSION RESULT_NAME)
@@ -688,7 +697,7 @@ file(GLOB CPP_FILES ../src/ifcgeomserver/*.cpp)
 file(GLOB H_FILES ../src/ifcgeomserver/*.h)
 set(SOURCE_FILES ${CPP_FILES} ${H_FILES})
 ADD_EXECUTABLE(IfcGeomServer ${SOURCE_FILES})
-TARGET_LINK_LIBRARIES(IfcGeomServer ${IFCOPENSHELL_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${Boost_LIBRARIES})
+TARGET_LINK_LIBRARIES(IfcGeomServer ${IFCOPENSHELL_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${Boost_LIBRARIES} ${VOXEL_LIBRARIES})
 
 if ((NOT WIN32) AND BUILD_SHARED_LIBS)
     SET_INSTALL_RPATHS(IfcGeomServer "${IFCOPENSHELL_LIBARY_DIR};${OCC_LIBRARY_DIR};${Boost_LIBRARY_DIRS}")
diff --git a/win/run-cmake.bat b/win/run-cmake.bat
index 48a2dec6fe..058aa3498a 100755
--- a/win/run-cmake.bat
+++ b/win/run-cmake.bat
@@ -84,6 +84,8 @@ set GMP_INCLUDE_DIR=%INSTALL_DIR%\mpir
 set GMP_LIBRARY_DIR=%INSTALL_DIR%\mpir
 set MPFR_INCLUDE_DIR=%INSTALL_DIR%\mpfr
 set MPFR_LIBRARY_DIR=%INSTALL_DIR%\mpfr
+set VOXEL_INCLUDE_DIR=%INSTALL_DIR%\voxel\include
+set VOXEL_LIBRARY_DIR=%INSTALL_DIR%\voxel\lib
 
 echo.
 call cecho.cmd 0 10 "Script configuration:"
@@ -111,6 +113,8 @@ echo    GMP_INCLUDE_DIR         = %GMP_INCLUDE_DIR%
 echo    GMP_LIBRARY_DIR         = %GMP_LIBRARY_DIR%
 echo    MPFR_INCLUDE_DIR        = %MPFR_INCLUDE_DIR%
 echo    MPFR_LIBRARY_DIR        = %MPFR_LIBRARY_DIR%
+echo    VOXEL_INCLUDE_DIR       = %VOXEL_INCLUDE_DIR%
+echo    VOXEL_LIBRARY_DIR       = %VOXEL_LIBRARY_DIR%
 echo.
 echo    CMAKE_INSTALL_PREFIX    = %CMAKE_INSTALL_PREFIX%
 echo.
@@ -119,7 +123,7 @@ set CMAKELISTS_DIR=..\cmake
 :: Delete CMakeCache.txt if command-line options were provided for this batch script.
 if not (%1)==() if exist CMakeCache.txt. del /Q CMakeCache.txt
 call cecho.cmd 0 13 "Running CMake for %PROJECT_NAME%."
-cmake.exe %CMAKELISTS_DIR% -G %GENERATOR% -DCMAKE_INSTALL_PREFIX="%CMAKE_INSTALL_PREFIX%" %ARGUMENTS%
+cmake.exe %CMAKELISTS_DIR% -G %GENERATOR% -DCMAKE_INSTALL_PREFIX="%CMAKE_INSTALL_PREFIX%" -DUSE_VOXELS=On %ARGUMENTS%
 IF NOT %ERRORLEVEL%==0 GOTO :Error
 
 echo.