CMake: Detect and build support for Assimp

cmake/modules/FindAssimp.cmake

@@ -0,0 +1,28 @@
+# Filename: FindAssimp.cmake
+# Authors: CFSworks (9 Nov, 2018)
+#
+# Usage:
+#   find_package(Assimp [REQUIRED] [QUIET])
+#
+# Once done this will define:
+#   ASSIMP_FOUND        - system has Assimp
+#   ASSIMP_INCLUDE_DIR  - the path to the location of the assimp/ directory
+#   ASSIMP_LIBRARY      - the library to link against for Assimp
+#
+
+if(NOT ASSIMP_INCLUDE_DIR)
+  find_path(ASSIMP_INCLUDE_DIR
+    NAMES "assimp/Importer.hpp")
+
+  mark_as_advanced(ASSIMP_INCLUDE_DIR)
+endif()
+
+if(NOT ASSIMP_LIBRARY)
+  find_library(ASSIMP_LIBRARY
+    NAMES "assimp")
+
+  mark_as_advanced(ASSIMP_LIBRARY)
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Assimp DEFAULT_MSG ASSIMP_INCLUDE_DIR ASSIMP_LIBRARY)

dtool/Package.cmake

@@ -161,6 +161,17 @@ package_option(TAR
 package_status(TAR "libtar")
 
 
+#
+# ------------ Asset formats ------------
+#
+
+# Assimp
+find_package(Assimp QUIET)
+package_option(ASSIMP
+  "Build pandatool with support for loading 3D assets supported by Assimp.")
+package_status(ASSIMP "Assimp")
+
+
 #
 # ------------ Math libraries ------------
 #

pandatool/CMakeLists.txt

@@ -3,6 +3,7 @@ if(NOT BUILD_PANDA)
 endif()
 
 # Include pandatool source directories
+add_subdirectory(src/assimp)
 add_subdirectory(src/bam)
 add_subdirectory(src/converter)
 add_subdirectory(src/cvscopy)

pandatool/src/assimp/CMakeLists.txt

@@ -0,0 +1,29 @@
+if(NOT HAVE_ASSIMP)
+  return()
+endif()
+
+set(P3ASSIMP_HEADERS
+  assimpLoader.h assimpLoader.I
+  config_assimp.h
+  loaderFileTypeAssimp.h
+  pandaIOStream.h
+  pandaIOSystem.h
+  pandaLogger.h
+)
+
+set(P3ASSIMP_SOURCES
+  assimpLoader.cxx
+  config_assimp.cxx
+  loaderFileTypeAssimp.cxx
+  pandaIOStream.cxx
+  pandaIOSystem.cxx
+  pandaLogger.cxx
+)
+
+composite_sources(p3assimp P3ASSIMP_SOURCES)
+add_library(p3assimp ${MODULE_TYPE} ${P3ASSIMP_HEADERS} ${P3ASSIMP_SOURCES})
+set_target_properties(p3assimp PROPERTIES DEFINE_SYMBOL BUILDING_ASSIMP)
+target_link_libraries(p3assimp p3pandatoolbase
+  PKG::ASSIMP)
+
+install(TARGETS p3assimp DESTINATION ${MODULE_DESTINATION})