Merge branch 'master' into master

CMakeLists.txt

@@ -563,9 +563,9 @@ SET ( ASSIMP_BUILD_NONFREE_C4D_IMPORTER OFF CACHE BOOL
 )
 
 IF (ASSIMP_BUILD_NONFREE_C4D_IMPORTER)
-  IF ( MSVC )
+  SET(C4D_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}/contrib/Cineware/includes")
-    SET(C4D_INCLUDES "${CMAKE_CURRENT_SOURCE_DIR}/contrib/Cineware/includes")
 
+  IF (WIN32)
     # pick the correct prebuilt library
     IF(MSVC143)
       SET(C4D_LIB_POSTFIX "_2022")
@@ -583,7 +583,7 @@ IF (ASSIMP_BUILD_NONFREE_C4D_IMPORTER)
       SET(C4D_LIB_POSTFIX "_2010")
     ELSE()
       MESSAGE( FATAL_ERROR
-        "C4D is currently only supported with MSVC 10, 11, 12, 14, 14.2, 14.3"
+        "C4D for Windows is currently only supported with MSVC 10, 11, 12, 14, 14.2, 14.3"
       )
     ENDIF()
 
@@ -601,9 +601,20 @@ IF (ASSIMP_BUILD_NONFREE_C4D_IMPORTER)
     # winsock and winmm are necessary (and undocumented) dependencies of Cineware SDK because
     # it can be used to communicate with a running Cinema 4D instance
     SET(C4D_EXTRA_LIBRARIES WSock32.lib Winmm.lib)
+  ELSEIF (APPLE)
+    SET(C4D_LIB_BASE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/contrib/Cineware/libraries/osx")
+
+    SET(C4D_DEBUG_LIBRARIES
+      "${C4D_LIB_BASE_PATH}/debug/libcinewarelib.a"
+      "${C4D_LIB_BASE_PATH}/debug/libjpeglib.a"
+    )
+    SET(C4D_RELEASE_LIBRARIES
+      "${C4D_LIB_BASE_PATH}/release/libcinewarelib.a"
+      "${C4D_LIB_BASE_PATH}/release/libjpeglib.a"
+    )
   ELSE ()
     MESSAGE( FATAL_ERROR
-      "C4D is currently only available on Windows with Cineware SDK installed in contrib/Cineware"
+      "C4D is currently only available on Windows and macOS with Cineware SDK installed in contrib/Cineware"
     )
   ENDIF ()
 ELSE ()

code/AssetLib/C4D/C4DImporter.cpp

@@ -46,10 +46,6 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 // no #ifdefing here, Cinema4D support is carried out in a branch of assimp
 // where it is turned on in the CMake settings.
 
-#ifndef _MSC_VER
-#   error C4D support is currently MSVC only
-#endif
-
 #include "C4DImporter.h"
 #include <memory>
 #include <assimp/IOSystem.hpp>
@@ -111,7 +107,7 @@ C4DImporter::C4DImporter() = default;
 C4DImporter::~C4DImporter() = default;
 
 // ------------------------------------------------------------------------------------------------
-bool C4DImporter::CanRead( const std::string& pFile, IOSystem* /*pIOHandler*/, bool /*checkSig*/) const {
+bool C4DImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const {
     const std::string& extension = GetExtension(pFile);
     if (extension == "c4d") {
         return true;
@@ -305,7 +301,7 @@ void C4DImporter::RecurseHierarchy(BaseObject* object, aiNode* parent) {
 
     // based on Cineware sample code
     while (object) {
-        const LONG type = object->GetType();
+        const Int32 type = object->GetType();
         const Matrix& ml = object->GetMl();
 
         aiNode* const nd = new aiNode();
@@ -368,8 +364,8 @@ aiMesh* C4DImporter::ReadMesh(BaseObject* object) {
     PolygonObject* const polyObject = dynamic_cast<PolygonObject*>(object);
     ai_assert(polyObject != nullptr);
 
-    const LONG pointCount = polyObject->GetPointCount();
+    const Int32 pointCount = polyObject->GetPointCount();
-    const LONG polyCount = polyObject->GetPolygonCount();
+    const Int32 polyCount = polyObject->GetPolygonCount();
     if(!polyObject || !pointCount) {
         LogWarn("ignoring mesh with zero vertices or faces");
         return nullptr;
@@ -391,7 +387,7 @@ aiMesh* C4DImporter::ReadMesh(BaseObject* object) {
     unsigned int vcount = 0;
 
     // first count vertices
-    for (LONG i = 0; i < polyCount; i++)
+    for (Int32 i = 0; i < polyCount; i++)
     {
         vcount += 3;
 
@@ -434,7 +430,7 @@ aiMesh* C4DImporter::ReadMesh(BaseObject* object) {
     }
 
     // copy vertices and extra channels over and populate faces
-    for (LONG i = 0; i < polyCount; ++i, ++face) {
+    for (Int32 i = 0; i < polyCount; ++i, ++face) {
         ai_assert(polys[i].a < pointCount && polys[i].a >= 0);
         const Vector& pointA = points[polys[i].a];
         verts->x = pointA.x;
@@ -511,7 +507,7 @@ aiMesh* C4DImporter::ReadMesh(BaseObject* object) {
         if (tangents_src) {
 
             for(unsigned int k = 0; k < face->mNumIndices; ++k) {
-                LONG l;
+                Int32 l;
                 switch(k) {
                 case 0:
                     l = polys[i].a;

code/AssetLib/C4D/C4DImporter.h

@@ -78,6 +78,8 @@ namespace Assimp  {
 // -------------------------------------------------------------------------------------------
 class C4DImporter : public BaseImporter, public LogFunctions<C4DImporter> {
 public:
+    C4DImporter();
+    ~C4DImporter() override;
     bool CanRead( const std::string& pFile, IOSystem*, bool checkSig) const override;
 
 protected: