/**
* @brief
* Called when a scene node was found
*/
void EngineApplication::OnSceneNode(SceneQuery &cQuery, SceneNode &cSceneNode)
{
// Is this a camera?
if (cSceneNode.IsCamera()) {
if (!m_pFirstFoundCamera)
m_pFirstFoundCamera = &cSceneNode;
// Deactivate all camera's by default
cSceneNode.SetActive(false);
// Key/value data scene node?
} else if (cSceneNode.IsInstanceOf("PLScene::SNKeyValue")) {
const SNKeyValue &cKeyValue = static_cast<const SNKeyValue&>(cSceneNode);
// SceneRenderer
if (cKeyValue.Key.GetString() == "SceneRenderer") {
// Use the first found key
if (!m_sDefaultSceneRenderer.GetLength())
m_sDefaultSceneRenderer = cKeyValue.Value.GetString();
// SceneRendererVariables
} else if (cKeyValue.Key.GetString() == "SceneRendererVariables") {
// Use the first found key
if (!m_sSceneRendererVariables.GetLength())
m_sSceneRendererVariables = cKeyValue.Value.GetString();
// ClearColor
} else if (cKeyValue.Key.GetString() == "ClearColor") {
// Use the first found key
if (!m_sClearColor.GetLength())
m_sClearColor = cKeyValue.Value.GetString();
// StartCamera
} else if (cKeyValue.Key.GetString() == "StartCamera") {
// Use the first found key
if (!m_sStartCamera.GetLength())
m_sStartCamera = cKeyValue.Value.GetString();
}
// Load screen scene node?
} else if (cSceneNode.IsInstanceOf("PLEngine::SNLoadScreenBase")) {
m_bHasLoadScreen = true;
}
}
bool EngineApplication::LoadScene(const String &sFilename)
{
// Get the scene container holding our scene
SceneContainer *pContainer = GetScene();
if (!pContainer)
return false; // Error! (should NEVER happen...)
// Disable the ingame GUI
SceneNode *pGui = pContainer->GetContainer()->GetByName("GUI");
if (pGui)
pGui->SetActive(false);
// Clear the scene, after calling this method the scene is empty
ClearScene();
// Load the scene
bool bResult = pContainer->LoadByFilename(sFilename);
if (bResult) {
// Set a null pointer camera and default scene renderer
m_sDefaultSceneRenderer = "";
m_sSceneRendererVariables = "";
m_sClearColor = "";
m_sStartCamera = "";
m_pFirstFoundCamera = nullptr;
m_bHasLoadScreen = false;
// Get scene surface painter
SurfacePainter *pPainter = GetPainter();
if (pPainter && pPainter->IsInstanceOf("PLScene::SPScene")) {
// Assign the first found camera scene node to your surface listener and look for
// known key/value data scene nodes
SceneQuery *pSceneQuery = pContainer->CreateQuery("PLScene::SQEnumerate");
if (pSceneQuery) {
// Connect event handler
pSceneQuery->SignalSceneNode.Connect(EventHandlerSceneNode);
// Perform the query
pSceneQuery->PerformQuery();
// Destroy the query
pContainer->DestroyQuery(*pSceneQuery);
}
// Set to default scene renderer?
if (!m_sDefaultSceneRenderer.GetLength())
m_sDefaultSceneRenderer = DefaultSceneRenderer;
// Sets all scene renderer pass attribute values to their default value
GetSceneRendererTool().SetDefaultValues();
// Set the used scene renderer
GetSceneRendererTool().SetSceneRenderer(pContainer, m_sDefaultSceneRenderer, DefaultSceneRenderer);
// Set clear color
GetSceneRendererTool().SetPassAttribute("Begin", "ColorClear", m_sClearColor);
// Set scene renderer variables
if (m_sSceneRendererVariables.GetLength())
GetSceneRendererTool().SetValues(m_sSceneRendererVariables);
// Is there a given start camera?
SceneNode *pCamera = nullptr;
if (m_sStartCamera.GetLength()) {
SceneNode *pStartCamera = pContainer->GetByName(m_sStartCamera);
if (pStartCamera && pStartCamera->IsCamera())
pCamera = pStartCamera;
}
// Use the first found camera?
if (!pCamera)
pCamera = m_pFirstFoundCamera;
// Activate the current used camera by default
if (pCamera)
pCamera->SetActive(true);
// Assign this camera to the scene renderer and to the application
SetCamera(reinterpret_cast<SNCamera*>(pCamera));
}
// Emit the scene loading has been finished successfully event
SignalSceneLoadingFinished();
}
// Enable the ingame GUI
if (pGui)
pGui->SetActive(true);
// Done
return bResult;
}
//[-------------------------------------------------------]
//[ Public virtual SceneNode functions ]
//[-------------------------------------------------------]
void SCRenderToTexture::DrawPre(Renderer &cRenderer, const VisNode *pVisNode)
{
if (IsActive() && m_pSurfaceTextureBuffer) {
// Call base implementation
SceneContainer::DrawPre(cRenderer, pVisNode);
// Check FPS limitation
if (FPSLimit) {
const uint64 nCurrentTime = System::GetInstance()->GetMilliseconds();
if (m_nFPSLimitLastTime && nCurrentTime-m_nFPSLimitLastTime < static_cast<uint64>(1000.0f/FPSLimit))
return; // Do not update
m_nFPSLimitLastTime = nCurrentTime;
}
// Get the surface scene painter
SurfacePainter *pSurfacePainter = m_pSurfaceTextureBuffer->GetPainter();
if (pSurfacePainter && pSurfacePainter->IsInstanceOf("PLScene::SPScene")) {
SPScene *pPainter = static_cast<SPScene*>(pSurfacePainter);
// Deactivate THIS node to avoid recursion
SetActive(false);
// Get current camera
SNCamera *pCameraBackup = SNCamera::GetCamera();
// Set camera
SceneNode *pSceneNode = GetByName(CameraName.Get());
if (pSceneNode && pSceneNode->IsCamera()) {
// If the camera is not active, we do not need to do anything in here...
if (!pSceneNode->IsActive())
return;
pPainter->SetCamera(static_cast<SNCamera*>(pSceneNode));
static_cast<SNCamera*>(pSceneNode)->SetCamera(cRenderer);
} else
pPainter->SetCamera(nullptr);
// Get current render target
Surface *pSurfaceBackup = cRenderer.GetRenderTarget();
// [HACK] If the painter has no scene container, check if the scene container exists now...
if (!pPainter->GetSceneContainer()) {
pSceneNode = GetByName(m_sSceneName);
if (pSceneNode && pSceneNode->IsContainer())
pPainter->SetSceneContainer(static_cast<SceneContainer*>(pSceneNode));
}
// Check the render target type
if (m_bCube) { // Render to cube texture
// Setup the camera
SNCamera *pCamera = pPainter->GetCamera();
if (pCamera) {
// Set field of view and aspect
pCamera->SetFOV(90.0f);
pCamera->SetAspect(1.0f);
// For each of the 6 cube faces...
for (uint8 nFace=0; nFace<6; nFace++) {
// Set rotation
switch (nFace) {
// x-positive
case 0:
pCamera->SetRotation(Vector3( 0.0f, -90.0f, 180.0f));
break;
// x-negative
case 1:
pCamera->SetRotation(Vector3( 0.0f, 90.0f, 180.0f));
break;
// y-positive
case 2:
pCamera->SetRotation(Vector3( 90.0f, 0.0f, 180.0f));
break;
// y-negative
case 3:
pCamera->SetRotation(Vector3(-90.0f, 0.0f, 180.0f));
break;
// z-positive
case 4:
pCamera->SetRotation(Vector3( 0.0f, 0.0f, 180.0f));
break;
// z-negative
case 5:
pCamera->SetRotation(Vector3( 0.0f, 180.0f, 180.0f));
break;
}
// Set the new render target
if (cRenderer.SetRenderTarget(m_pSurfaceTextureBuffer, nFace)) {
// Draw a nice and colorful picture :)
pPainter->OnPaint(*m_pSurfaceTextureBuffer);
}
}
} else {
// For each of the 6 cube faces...
for (uint8 nFace=0; nFace<6; nFace++) {
// Set the new render target
if (cRenderer.SetRenderTarget(m_pSurfaceTextureBuffer, nFace)) {
// Draw a nice and colorful picture :)
pPainter->OnPaint(*m_pSurfaceTextureBuffer);
}
}
}
} else { // Render to 2D/rectangle texture
// Set the new render target
if (cRenderer.SetRenderTarget(m_pSurfaceTextureBuffer)) {
// Draw a nice and colorful picture :)
pPainter->OnPaint(*m_pSurfaceTextureBuffer);
}
}
// Reset renderer target
cRenderer.SetRenderTarget(pSurfaceBackup);
if (pCameraBackup) {
pPainter->SetCamera(pCameraBackup);
pCameraBackup->SetCamera(cRenderer);
}
// Reactivate THIS node to avoid recursion
SetActive(true);
}
}
}
