Moved Object, Scene and Light to separate SceneGraph library.

CMakeLists.txt

@@ -11,6 +11,7 @@ option(WITH_EVERYTHING "Build everything (doesn't include contexts)" ON)
 option(WITH_MESHTOOLS "Build MeshTools library" OFF)
 option(WITH_PHYSICS "Build Physics library" OFF)
 option(WITH_PRIMITIVES "Builf Primitives library" OFF)
+option(WITH_SCENEGRAPH "Build SceneGraph library" OFF)
 option(WITH_SHADERS "Build Shaders library" OFF)
 
 cmake_dependent_option(WITH_EGLCONTEXT "Build EglContext library" OFF "TARGET_GLES" OFF)
@@ -23,6 +24,7 @@ if(WITH_EVERYTHING)
     set(WITH_MESHTOOLS ON)
     set(WITH_PHYSICS ON)
     set(WITH_PRIMITIVES ON)
+    set(WITH_SCENEGRAPH ON)
     set(WITH_SHADERS ON)
 endif()
 

doc/mainpage.dox

@@ -6,8 +6,8 @@ Features:
 
 - Easy-to-use templated @ref Math "mathematical library" for matrix/vector
   calculations and @ref Math::Geometry "geometry".
-- Hierarchical @ref Object "scene graph" which supports transformation caching
-  for better performance, classes for convenient usage of
+- Hierarchical @ref SceneGraph "scene graph" which supports transformation
+  caching for better performance, classes for convenient usage of
   @ref AbstractShaderProgram "shaders", @ref Buffer "buffers" and
   @ref AbstractTexture "textures". Access to @ref Framebuffer "framebuffer"
   and @ref AbstractQuery "occlusion queries".

doc/namespaces.dox

@@ -7,8 +7,7 @@
 /** @namespace Magnum
 @brief Root namespace
 
-Contains classes needed for building meshes, setting up and rendering the
-scene.
+Contains classes for interacting with OpenGL.
 */
 
 /** @dir Contexts
@@ -58,6 +57,16 @@ Tools for generating, optimizing and cleaning meshes.
 Basic primitives for testing purposes.
 */
 
+/** @dir SceneGraph
+ * @brief Namespace Magnum::SceneGraph
+ */
+/**
+@namespace Magnum::SceneGraph
+@brief %Scene graph library
+
+Setting up and rendering the scene.
+*/
+
 /** @dir Shaders
  * @brief Namespace Magnum::Shaders
  */

modules/FindMagnum.cmake

@@ -18,6 +18,7 @@
 #  MeshTools     - MeshTools library
 #  Physics       - Physics library
 #  Primitives    - Library with stock geometric primitives (static)
+#  SceneGraph    - Scene graph library
 #  Shaders       - Library with stock shaders
 #  EglContext    - EGL context (depends on EGL and X11 libraries)
 #  GlutContext   - GLUT context (depends on GLUT library)
@@ -137,6 +138,11 @@ foreach(component ${Magnum_FIND_COMPONENTS})
         set(_MAGNUM_${_COMPONENT}_INCLUDE_PATH_NAMES Cube.h)
     endif()
 
+    # Scene graph library
+    if(${component} STREQUAL SceneGraph)
+        set(_MAGNUM_${_COMPONENT}_INCLUDE_PATH_NAMES Scene.h)
+    endif()
+
     # Shaders library
     if(${component} STREQUAL Shaders)
         set(_MAGNUM_${_COMPONENT}_INCLUDE_PATH_NAMES PhongShader.h)

src/CMakeLists.txt

@@ -19,10 +19,8 @@ set(Magnum_SRCS
     AbstractTexture.cpp
     AbstractShaderProgram.cpp
     BufferedTexture.cpp
-    Camera.cpp
     Framebuffer.cpp
     IndexedMesh.cpp
-    Light.cpp
     Mesh.cpp
     Query.cpp
     Renderbuffer.cpp
@@ -39,7 +37,6 @@ set(Magnum_HEADERS
     BufferedImage.h
     BufferedTexture.h
     Buffer.h
-    Camera.h
     Color.h
     CubeMapTextureArray.h
     CubeMapTexture.h
@@ -47,13 +44,10 @@ set(Magnum_HEADERS
     Image.h
     ImageWrapper.h
     IndexedMesh.h
-    Light.h
     Magnum.h
     Mesh.h
-    Object.h
     Query.h
     Renderbuffer.h
-    Scene.h
     Shader.h
     SizeTraits.h
     Swizzle.h
@@ -68,10 +62,6 @@ set(MagnumMath_SRCS
     Math/Math.cpp)
 add_library(MagnumMathObjects OBJECT ${MagnumMath_SRCS})
 
-# Files compiled with different flags for main library and unit test library
-set(Magnum_GracefulAssert_SRCS
-    Object.cpp)
-
 # Set shared library flags for the objects, as they will be part of shared lib
 # TODO: fix when CMake sets target_EXPORTS for OBJECT targets as well
 set_target_properties(MagnumObjects MagnumMathObjects PROPERTIES COMPILE_FLAGS "-DMagnumObjects_EXPORTS ${CMAKE_SHARED_LIBRARY_CXX_FLAGS}")
@@ -79,8 +69,7 @@ set_target_properties(MagnumObjects MagnumMathObjects PROPERTIES COMPILE_FLAGS "
 # Main library
 add_library(Magnum SHARED
     $<TARGET_OBJECTS:MagnumObjects>
-    $<TARGET_OBJECTS:MagnumMathObjects>
-    ${Magnum_GracefulAssert_SRCS})
+    $<TARGET_OBJECTS:MagnumMathObjects>)
 target_link_libraries(Magnum ${CORRADE_UTILITY_LIBRARY} ${CORRADE_PLUGINMANAGER_LIBRARY})
 if(NOT TARGET_GLES)
     target_link_libraries(Magnum ${OPENGL_gl_LIBRARY} ${GLEW_LIBRARY})
@@ -110,6 +99,10 @@ if(WITH_PRIMITIVES)
     add_subdirectory(Primitives)
 endif()
 
+if(WITH_SCENEGRAPH)
+    add_subdirectory(SceneGraph)
+endif()
+
 if(WITH_SHADERS)
     add_subdirectory(Shaders)
 endif()
@@ -119,8 +112,7 @@ if(BUILD_TESTS)
 
     # Library with graceful assert for testing
     add_library(MagnumTestLib SHARED
-        $<TARGET_OBJECTS:MagnumObjects>
-        ${Magnum_GracefulAssert_SRCS})
+        $<TARGET_OBJECTS:MagnumObjects>)
     set_target_properties(MagnumTestLib PROPERTIES COMPILE_FLAGS -DCORRADE_GRACEFUL_ASSERT)
     target_link_libraries(MagnumTestLib ${CORRADE_UTILITY_LIBRARY} ${CORRADE_PLUGINMANAGER_LIBRARY})
     if(NOT TARGET_GLES)

src/SceneGraph/CMakeLists.txt

@@ -0,0 +1,42 @@
+# Files shared between main library and unit test library
+set(MagnumSceneGraph_SRCS
+    Camera.cpp
+    Light.cpp)
+set(MagnumSceneGraph_HEADERS
+    Camera.h
+    Light.h
+    Object.h
+    Scene.h
+
+    magnumSceneGraphVisibility.h)
+add_library(MagnumSceneGraphObjects OBJECT ${MagnumSceneGraph_SRCS})
+
+# Files compiled with different flags for main library and unit test library
+set(MagnumSceneGraph_GracefulAssert_SRCS
+    Object.cpp)
+
+# Set shared library flags for the objects, as they will be part of shared lib
+# TODO: fix when CMake sets target_EXPORTS for OBJECT targets as well
+set_target_properties(MagnumSceneGraphObjects PROPERTIES COMPILE_FLAGS "-DMagnumSceneGraphObjects_EXPORTS ${CMAKE_SHARED_LIBRARY_CXX_FLAGS}")
+
+# SceneGraph library
+add_library(MagnumSceneGraph SHARED
+    $<TARGET_OBJECTS:MagnumSceneGraphObjects>
+    ${MagnumSceneGraph_GracefulAssert_SRCS})
+target_link_libraries(MagnumSceneGraph Magnum)
+
+install(TARGETS MagnumSceneGraph DESTINATION ${MAGNUM_LIBRARY_INSTALL_DIR})
+install(FILES ${MagnumSceneGraph_HEADERS} DESTINATION ${MAGNUM_INCLUDE_INSTALL_DIR}/SceneGraph)
+
+if(BUILD_TESTS)
+    enable_testing()
+
+    # Library with graceful assert for testing
+    add_library(MagnumSceneGraphTestLib SHARED
+        $<TARGET_OBJECTS:MagnumSceneGraphObjects>
+        ${MagnumSceneGraph_GracefulAssert_SRCS})
+    set_target_properties(MagnumSceneGraphTestLib PROPERTIES COMPILE_FLAGS -DCORRADE_GRACEFUL_ASSERT)
+    target_link_libraries(MagnumSceneGraphTestLib Magnum)
+
+    add_subdirectory(Test)
+endif()

src/SceneGraph/Camera.cpp

@@ -19,7 +19,7 @@
 
 using namespace std;
 
-namespace Magnum {
+namespace Magnum { namespace SceneGraph {
 
 Camera::Camera(Object* parent): Object(parent), _aspectRatioPolicy(AspectRatioPolicy::Extend) {}
 
@@ -122,4 +122,4 @@ void Camera::drawChildren(Object* object, const Matrix4& transformationMatrix) {
     }
 }
 
-}
+}}

src/SceneGraph/Camera.h

@@ -1,5 +1,5 @@
-#ifndef Magnum_Camera_h
-#define Magnum_Camera_h
+#ifndef Magnum_SceneGraph_Camera_h
+#define Magnum_SceneGraph_Camera_h
 /*
     Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
 
@@ -16,7 +16,7 @@
 */
 
 /** @file
- * @brief Class Magnum::Camera
+ * @brief Class Magnum::SceneGraph::Camera
  */
 
 #include "Object.h"
@@ -26,12 +26,12 @@
 #undef far
 #endif
 
-namespace Magnum {
+namespace Magnum { namespace SceneGraph {
 
 /** @ingroup scene
 @brief %Camera object
  */
-class MAGNUM_EXPORT Camera: public Object {
+class SCENEGRAPH_EXPORT Camera: public Object {
     public:
         /**
          * @brief Aspect ratio policy
@@ -148,9 +148,9 @@ class MAGNUM_EXPORT Camera: public Object {
         Math::Vector2<GLsizei> _viewport;
         AspectRatioPolicy _aspectRatioPolicy;
 
-        MAGNUM_LOCAL void fixAspectRatio();
+        SCENEGRAPH_LOCAL void fixAspectRatio();
 };
 
-}
+}}
 
 #endif

src/SceneGraph/Light.cpp

@@ -15,7 +15,7 @@
 
 #include "Light.h"
 
-namespace Magnum {
+namespace Magnum { namespace SceneGraph {
 
 void Light::clean(const Matrix4& absoluteTransformation) {
     Object::clean(absoluteTransformation);
@@ -23,4 +23,4 @@ void Light::clean(const Matrix4& absoluteTransformation) {
     _position = absoluteTransformation[3];
 }
 
-}
+}}

src/SceneGraph/Light.h

@@ -1,5 +1,5 @@
-#ifndef Magnum_Light_h
-#define Magnum_Light_h
+#ifndef Magnum_SceneGraph_Light_h
+#define Magnum_SceneGraph_Light_h
 /*
     Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
 
@@ -16,19 +16,19 @@
 */
 
 /** @file
- * @brief Class Magnum::Light
+ * @brief Class Magnum::SceneGraph::Light
  */
 
 #include "Object.h"
 
-namespace Magnum {
+namespace Magnum { namespace SceneGraph {
 
 /** @ingroup scene
  * @brief Basic light object
  *
  * Provides cached light position.
  */
-class MAGNUM_EXPORT Light: public Object {
+class SCENEGRAPH_EXPORT Light: public Object {
     public:
         /**
          * @brief Constructor
@@ -54,6 +54,6 @@ class MAGNUM_EXPORT Light: public Object {
         Vector4 _position;
 };
 
-}
+}}
 
 #endif

src/SceneGraph/Object.cpp

@@ -16,12 +16,13 @@
 #include "Object.h"
 
 #include <stack>
+
 #include "Scene.h"
 #include "Camera.h"
 
 using namespace std;
 
-namespace Magnum {
+namespace Magnum { namespace SceneGraph {
 
 Object* Object::setParent(Object* parent) {
     /* Skip if nothing to do or this is scene */
@@ -149,4 +150,4 @@ void Object::setClean() {
     }
 }
 
-}
+}}

src/SceneGraph/Object.h

@@ -1,5 +1,5 @@
-#ifndef Magnum_Object_h
-#define Magnum_Object_h
+#ifndef Magnum_SceneGraph_Object_h
+#define Magnum_SceneGraph_Object_h
 /*
     Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
 
@@ -16,14 +16,16 @@
 */
 
 /** @file
- * @brief Class Magnum::Object
+ * @brief Class Magnum::SceneGraph::Object
  */
 
 #include <set>
 
 #include "Magnum.h"
 
-namespace Magnum {
+#include "magnumSceneGraphVisibility.h"
+
+namespace Magnum { namespace SceneGraph {
 
 class Scene;
 class Camera;
@@ -44,7 +46,7 @@ class Camera;
  * @todo Transform transformation when changing parent, so the object stays in
  * place.
  */
-class MAGNUM_EXPORT Object {
+class SCENEGRAPH_EXPORT Object {
     Object(const Object& other) = delete;
     Object(Object&& other) = delete;
     Object& operator=(const Object& other) = delete;
@@ -268,7 +270,6 @@ class MAGNUM_EXPORT Object {
 inline void Object::draw(const Matrix4&, Camera*) {}
 inline void Object::clean(const Matrix4&) { dirty = false; }
 
-
-}
+}}
 
 #endif

src/SceneGraph/Scene.h

@@ -1,5 +1,5 @@
-#ifndef Magnum_Scene_h
-#define Magnum_Scene_h
+#ifndef Magnum_SceneGraph_Scene_h
+#define Magnum_SceneGraph_Scene_h
 /*
     Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
 
@@ -16,17 +16,17 @@
 */
 
 /** @file
- * @brief Class Magnum::Scene
+ * @brief Class Magnum::SceneGraph::Scene
  */
 
 #include "Object.h"
 
-namespace Magnum {
+namespace Magnum { namespace SceneGraph {
 
 /** @ingroup scene
 @brief %Scene
 */
-class MAGNUM_EXPORT Scene: public Object {
+class SCENEGRAPH_EXPORT Scene: public Object {
     public:
         /** @brief Constructor */
         inline Scene() { _parent = this; }
@@ -42,6 +42,6 @@ class MAGNUM_EXPORT Scene: public Object {
         inline void draw(const Magnum::Matrix4&, Camera*) {}
 };
 
-}
+}}
 
 #endif

src/SceneGraph/Test/CMakeLists.txt

@@ -0,0 +1,3 @@
+corrade_add_test2(SceneGraphObjectTest ObjectTest.cpp LIBRARIES MagnumSceneGraphTestLib)
+corrade_add_test2(SceneGraphCameraTest CameraTest.cpp LIBRARIES MagnumSceneGraph)
+corrade_add_test2(SceneGraphSceneTest SceneTest.cpp LIBRARIES MagnumSceneGraph)

src/SceneGraph/Test/CameraTest.cpp

@@ -15,12 +15,11 @@
 
 #include "CameraTest.h"
 
-#include "Camera.h"
-#include "Scene.h"
+#include "SceneGraph/Camera.h"
 
-CORRADE_TEST_MAIN(Magnum::Test::CameraTest)
+CORRADE_TEST_MAIN(Magnum::SceneGraph::Test::CameraTest)
 
-namespace Magnum { namespace Test {
+namespace Magnum { namespace SceneGraph { namespace Test {
 
 CameraTest::CameraTest() {
     addTests(&CameraTest::orthographic,
@@ -51,4 +50,4 @@ void CameraTest::perspective() {
     CORRADE_COMPARE(camera.projectionMatrix(), a);
 }
 
-}}
+}}}

src/SceneGraph/Test/CameraTest.h

@@ -1,5 +1,5 @@
-#ifndef Magnum_Test_CameraTest_h
-#define Magnum_Test_CameraTest_h
+#ifndef Magnum_SceneGraph_Test_CameraTest_h
+#define Magnum_SceneGraph_Test_CameraTest_h
 /*
     Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
 
@@ -17,7 +17,7 @@
 
 #include <TestSuite/Tester.h>
 
-namespace Magnum { namespace Test {
+namespace Magnum { namespace SceneGraph { namespace Test {
 
 class CameraTest: public Corrade::TestSuite::Tester<CameraTest> {
     public:
@@ -27,6 +27,6 @@ class CameraTest: public Corrade::TestSuite::Tester<CameraTest> {
         void perspective();
 };
 
-}}
+}}}
 
 #endif

src/SceneGraph/Test/ObjectTest.cpp

@@ -14,16 +14,16 @@
 */
 
 #include "ObjectTest.h"
-#include "Scene.h"
-#include "Camera.h"
+#include "SceneGraph/Camera.h"
+#include "SceneGraph/Scene.h"
 
 #include <sstream>
 
 using namespace std;
 
-CORRADE_TEST_MAIN(Magnum::Test::ObjectTest)
+CORRADE_TEST_MAIN(Magnum::SceneGraph::Test::ObjectTest)
 
-namespace Magnum { namespace Test {
+namespace Magnum { namespace SceneGraph { namespace Test {
 
 ObjectTest::ObjectTest() {
     addTests(&ObjectTest::parenting,
@@ -195,4 +195,4 @@ void ObjectTest::dirty() {
     CORRADE_VERIFY(childThree->isDirty());
 }
 
-}}
+}}}

src/SceneGraph/Test/ObjectTest.h

@@ -1,5 +1,5 @@
-#ifndef Magnum_Test_ObjectTest_h
-#define Magnum_Test_ObjectTest_h
+#ifndef Magnum_SceneGraph_Test_ObjectTest_h
+#define Magnum_SceneGraph_Test_ObjectTest_h
 /*
     Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
 
@@ -17,9 +17,9 @@
 
 #include <TestSuite/Tester.h>
 
-#include "Object.h"
+#include "SceneGraph/Object.h"
 
-namespace Magnum { namespace Test {
+namespace Magnum { namespace SceneGraph { namespace Test {
 
 class ObjectTest: public Corrade::TestSuite::Tester<ObjectTest> {
     public:
@@ -46,6 +46,6 @@ class ObjectTest: public Corrade::TestSuite::Tester<ObjectTest> {
         };
 };
 
-}}
+}}}
 
 #endif

src/SceneGraph/Test/SceneTest.cpp

@@ -15,11 +15,11 @@
 
 #include "SceneTest.h"
 
-#include "Scene.h"
+#include "SceneGraph/Scene.h"
 
-CORRADE_TEST_MAIN(Magnum::Test::SceneTest)
+CORRADE_TEST_MAIN(Magnum::SceneGraph::Test::SceneTest)
 
-namespace Magnum { namespace Test {
+namespace Magnum { namespace SceneGraph { namespace Test {
 
 SceneTest::SceneTest() {
     addTests(&SceneTest::transformation,
@@ -48,4 +48,4 @@ void SceneTest::parent() {
     CORRADE_VERIFY(object.children().empty());
 }
 
-}}
+}}}

src/SceneGraph/Test/SceneTest.h

@@ -1,5 +1,5 @@
-#ifndef Magnum_Test_SceneTest_h
-#define Magnum_Test_SceneTest_h
+#ifndef Magnum_SceneGraph_Test_SceneTest_h
+#define Magnum_SceneGraph_Test_SceneTest_h
 /*
     Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
 
@@ -17,7 +17,7 @@
 
 #include <TestSuite/Tester.h>
 
-namespace Magnum { namespace Test {
+namespace Magnum { namespace SceneGraph { namespace Test {
 
 class SceneTest: public Corrade::TestSuite::Tester<SceneTest> {
     public:
@@ -27,6 +27,6 @@ class SceneTest: public Corrade::TestSuite::Tester<SceneTest> {
         void parent();
 };
 
-}}
+}}}
 
 #endif

src/SceneGraph/magnumSceneGraphVisibility.h

@@ -0,0 +1,30 @@
+#ifndef Magnum_SceneGraph_magnumSceneGraphVisibility_h
+#define Magnum_SceneGraph_magnumSceneGraphVisibility_h
+/*
+    Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
+
+    This file is part of Magnum.
+
+    Magnum is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License version 3
+    only, as published by the Free Software Foundation.
+
+    Magnum is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Lesser General Public License version 3 for more details.
+*/
+
+#ifdef _WIN32
+    #if defined(MagnumSceneGraph_EXPORTS) || defined(MagnumSceneGraphObjects_EXPORTS)
+        #define SCENEGRAPH_EXPORT __declspec(dllexport)
+    #else
+        #define SCENEGRAPH_EXPORT __declspec(dllimport)
+    #endif
+    #define SCENEGRAPH_LOCAL
+#else
+    #define SCENEGRAPH_EXPORT __attribute__ ((visibility ("default")))
+    #define SCENEGRAPH_LOCAL __attribute__ ((visibility ("hidden")))
+#endif
+
+#endif

src/Test/CMakeLists.txt

@@ -1,6 +1,2 @@
-corrade_add_test2(ObjectTest ObjectTest.cpp LIBRARIES MagnumTestLib)
-corrade_add_test2(CameraTest CameraTest.cpp LIBRARIES Magnum)
-corrade_add_test2(SceneTest SceneTest.cpp LIBRARIES Magnum)
-
 corrade_add_test2(ColorTest ColorTest.cpp)
 corrade_add_test2(SwizzleTest SwizzleTest.cpp)