~ fixed segmentation fault when creating a scene

+ added check for texture rendering on startup
~ fixed possibly wrong texture size for passes
~ changed camera position

Signed-off-by: Alexis Maiquez <almamu@almamu.com>

main.cpp

@@ -132,6 +132,12 @@ int init_irrlicht()
         IrrlichtContext->getDevice ()->getLogger ()->log ("WARNING: Vertex shaders disabled because of missing driver/hardware support");
     }
 
+    if (IrrlichtContext->getDevice ()->getVideoDriver ()->queryFeature (irr::video::EVDF_RENDER_TO_TARGET) == false)
+    {
+        IrrlichtContext->getDevice ()->getLogger ()->log ("ERROR: Your hardware or this renderer do not support rendering to texture");
+        return 1;
+    }
+
     return 0;
 }
 
@@ -299,6 +305,7 @@ int main (int argc, char* argv[])
     irr::u32 startTime = 0;
     irr::u32 endTime = 0;
 
+    IrrlichtContext->getDevice ()->getSceneManager ()->setAmbientLight (sceneRender->getScene ()->getAmbientColor ().toSColor ());
     while (IrrlichtContext && IrrlichtContext->getDevice () && IrrlichtContext->getDevice ()->run ())
     {
         if (IrrlichtContext->getDevice ()->getVideoDriver () == nullptr)

src/WallpaperEngine/Core/Scenes/CCamera.cpp

@@ -47,8 +47,8 @@ CCamera* CCamera::fromJSON (json data)
     }
 
     return new CCamera (
-            WallpaperEngine::Core::ato3vf (*center_it),
-            WallpaperEngine::Core::ato3vf (*eye_it),
-            WallpaperEngine::Core::ato3vf (*up_it)
+        WallpaperEngine::Core::ato3vf (*center_it),
+        WallpaperEngine::Core::ato3vf (*eye_it),
+        WallpaperEngine::Core::ato3vf (*up_it)
     );
 }

src/WallpaperEngine/Render/CCamera.cpp

@@ -8,7 +8,7 @@ CCamera::CCamera (CScene* scene, Core::Scenes::CCamera* camera) :
     m_scene (scene)
 {
     this->m_sceneCamera = scene->getContext ()->getDevice ()->getSceneManager ()->addCameraSceneNode (
-        scene, *this->getCenter (), *this->getEye (), scene->nextId ()
+        scene, *this->getEye (), *this->getCenter (), scene->nextId ()
     );
 }
 
@@ -37,8 +37,8 @@ void CCamera::setOrthogonalProjection (irr::f32 width, irr::f32 height)
     irr::core::matrix4 identity; identity.makeIdentity ();
     irr::core::matrix4 orthogonalProjection; orthogonalProjection.buildProjectionMatrixOrthoLH (
             width, height,
-            this->getEye ()->Z,
-            this->getCenter ()->Z
+            this->getCenter ()->Z,
+            this->getEye ()->Z
     );
 
     this->m_sceneCamera->setProjectionMatrix (orthogonalProjection);

src/WallpaperEngine/Render/CScene.cpp

@@ -18,6 +18,12 @@ CScene::CScene (Core::CProject* project, Irrlicht::CContext* context) :
     m_scene (project->getScene ()),
     m_context (context)
 {
+    this->m_camera = new CCamera (this, this->m_project->getScene ()->getCamera ());
+    this->m_camera->setOrthogonalProjection (
+            this->m_scene->getOrthogonalProjection ()->getWidth (),
+            this->m_scene->getOrthogonalProjection ()->getHeight ()
+    );
+
     std::vector<Core::CObject*>::const_iterator cur = this->m_scene->getObjects ()->begin ();
     std::vector<Core::CObject*>::const_iterator end = this->m_scene->getObjects ()->end ();
 
@@ -41,12 +47,6 @@ CScene::CScene (Core::CProject* project, Irrlicht::CContext* context) :
     this->m_nextId = ++highestId;
     this->setAutomaticCulling (irr::scene::EAC_OFF);
     this->m_boundingBox = irr::core::aabbox3d<irr::f32>(0, 0, 0, 0, 0, 0);
-
-    this->m_camera = new CCamera (this, this->m_project->getScene ()->getCamera ());
-    this->m_camera->setOrthogonalProjection (
-        this->m_scene->getOrthogonalProjection ()->getWidth (),
-        this->m_scene->getOrthogonalProjection ()->getHeight ()
-    );
 }
 
 CScene::~CScene ()
@@ -77,7 +77,7 @@ void CScene::render ()
 {
 }
 
-const irr::core::aabbox3d<irr::f32>& CScene::getBoundingBox() const
+const irr::core::aabbox3d<irr::f32>& CScene::getBoundingBox () const
 {
     return this->m_boundingBox;
 }

src/WallpaperEngine/Render/Objects/CImage.cpp

@@ -54,7 +54,7 @@ void CImage::render()
 {
     uint16_t indices [] =
     {
-            0, 1, 2, 3
+            3, 2, 1, 0
     };
 
     irr::video::IVideoDriver* driver = SceneManager->getVideoDriver ();
@@ -69,7 +69,7 @@ void CImage::render()
     {
         if (textureCur == textureEnd)
         {
-            driver->setRenderTarget (0, false, false);
+            driver->setRenderTarget (irr::video::ERT_FRAME_BUFFER, false, false);
         }
         else
         {
@@ -87,9 +87,6 @@ void CImage::render()
 
 void CImage::generateMaterial ()
 {
-    if (this->m_image->getMaterial ()->getPasses ()->empty () == true)
-        return;
-
     std::vector<Core::Objects::Images::Materials::CPassess*>::const_iterator cur = this->m_image->getMaterial ()->getPasses ()->begin ();
     std::vector<Core::Objects::Images::Materials::CPassess*>::const_iterator end = this->m_image->getMaterial ()->getPasses ()->end ();
 
@@ -135,13 +132,17 @@ void CImage::generatePass (Core::Objects::Images::Materials::CPassess* pass)
 
         if (textureNumber == 0 && this->m_passes > 0)
         {
+            irr::video::ITexture* originalTexture = this->getScene ()->getContext ()->getDevice ()->getVideoDriver ()->getTexture (texturepath);
+
             texture = this->getScene ()->getContext ()->getDevice ()->getVideoDriver ()->addRenderTargetTexture (
                 irr::core::dimension2d<irr::u32> (
-                    this->getScene ()->getScene ()->getOrthogonalProjection()->getWidth (),
-                    this->getScene ()->getScene ()->getOrthogonalProjection()->getHeight ()
+                    originalTexture->getSize ().Width,
+                    originalTexture->getSize ().Height
                 ), ("_RT_" + this->m_image->getName () + std::to_string (textureNumber) + "_" + std::to_string (this->m_passes)).c_str ()
             );
 
+            //originalTexture->drop ();
+
             this->m_renderTextures.push_back (texture);
         }
         else
@@ -149,6 +150,8 @@ void CImage::generatePass (Core::Objects::Images::Materials::CPassess* pass)
             texture = this->getScene ()->getContext ()->getDevice ()->getVideoDriver ()->getTexture (texturepath);
         }
 
+        //texture->grab ();
+
         material.setTexture (textureNumber, texture);
     }
 
@@ -165,6 +168,7 @@ void CImage::generatePass (Core::Objects::Images::Materials::CPassess* pass)
             this, irr::video::EMT_TRANSPARENT_ALPHA_CHANNEL, this->m_passes, irr::video::EGSL_DEFAULT
         );
 
+    // TODO: TAKE INTO ACCOUNT BLENDING AND CULLING METHODS FROM THE JSON
     material.setFlag (irr::video::EMF_LIGHTING, false);
     material.setFlag (irr::video::EMF_BLEND_OPERATION, true);
     material.Wireframe = false;
@@ -192,30 +196,30 @@ void CImage::OnSetConstants (irr::video::IMaterialRendererServices *services, in
     irr::f32 g_Texture6 = 6;
     irr::f32 g_Texture7 = 7;
 
-    irr::f32 g_Texture0Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z};
-    irr::f32 g_Texture1Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z};
-    irr::f32 g_Texture2Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z};
-    irr::f32 g_Texture3Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z};
-    irr::f32 g_Texture4Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z};
-    irr::f32 g_Texture5Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z};
-    irr::f32 g_Texture6Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z};
-    irr::f32 g_Texture7Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z};
+    irr::f32 g_Texture0Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z };
+    irr::f32 g_Texture1Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z };
+    irr::f32 g_Texture2Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z };
+    irr::f32 g_Texture3Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z };
+    irr::f32 g_Texture4Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z };
+    irr::f32 g_Texture5Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z };
+    irr::f32 g_Texture6Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z };
+    irr::f32 g_Texture7Rotation [4] = { this->m_image->getAngles ()->X, this->m_image->getAngles ()->Y, this->m_image->getAngles ()->Z, this->m_image->getAngles ()->Z };
 
-    irr::f32 g_Texture0Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y};
-    irr::f32 g_Texture1Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y};
-    irr::f32 g_Texture2Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y};
-    irr::f32 g_Texture3Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y};
-    irr::f32 g_Texture4Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y};
-    irr::f32 g_Texture5Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y};
-    irr::f32 g_Texture6Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y};
-    irr::f32 g_Texture7Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y};
+    irr::f32 g_Texture0Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y };
+    irr::f32 g_Texture1Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y };
+    irr::f32 g_Texture2Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y };
+    irr::f32 g_Texture3Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y };
+    irr::f32 g_Texture4Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y };
+    irr::f32 g_Texture5Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y };
+    irr::f32 g_Texture6Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y };
+    irr::f32 g_Texture7Resolution [4] = { this->m_image->getSize ()->X, this->m_image->getSize ()->Y, this->m_image->getSize ()->X, this->m_image->getSize ()->Y };
 
     irr::video::IVideoDriver* driver = services->getVideoDriver ();
 
-    irr::core::matrix4 worldViewProj;worldViewProj.makeIdentity();
-    worldViewProj = driver->getTransform(irr::video::ETS_PROJECTION);
-    worldViewProj *= driver->getTransform(irr::video::ETS_VIEW);
-    worldViewProj *= driver->getTransform(irr::video::ETS_WORLD);
+    irr::core::matrix4 worldViewProj;
+    worldViewProj = driver->getTransform (irr::video::ETS_PROJECTION);
+    worldViewProj *= driver->getTransform (irr::video::ETS_VIEW);
+    worldViewProj *= driver->getTransform (irr::video::ETS_WORLD);
 
     Render::Shaders::Compiler* vertexShader = this->m_vertexShaders.at (userData);
     Render::Shaders::Compiler* pixelShader = this->m_pixelShaders.at (userData);