#123 Add viewpoint renderer, fix crash on scene controller

Projects/Editor/Source/Editor/Space/Scene/CSpaceScene.cpp

@@ -25,6 +25,7 @@ This file is part of the "Skylicht Engine".
 #include "pch.h"
 #include "CSpaceScene.h"
 #include "GridPlane/CGridPlane.h"
+#include "EditorComponents/Viewpoint/CViewpoint.h"
 
 #include "Editor/SpaceController/CSceneController.h"
 
@@ -128,15 +129,18 @@ namespace Skylicht
 			camObj->addComponent<CCamera>();
 
 			m_viewpointCamera = camObj->getComponent<CCamera>();
-			m_viewpointCamera->setPosition(core::vector3df(1.5f, 1.5f, 1.5f));
-			m_viewpointCamera->lookAt(core::vector3df(0.0f, 0.0f, 0.0f), core::vector3df(0.0f, 1.0f, 0.0f));
 			m_viewpointCamera->setAspect(1.0f);
 
 			// grid
 			CGameObject* gridPlane = m_viewpointZone->createEmptyObject();
 			gridPlane->setName(L"Grid3D");
 			gridPlane->addComponent<CGridPlane>();
 
+			// viewpoint
+			CGameObject* viewpoint = m_viewpointZone->createEmptyObject();
+			viewpoint->setName(L"Viewpoint");
+			viewpoint->addComponent<CViewpoint>();
+
 			// set scene to controller
 			CSceneController::getInstance()->setScene(m_scene);
 		}
@@ -166,9 +170,32 @@ namespace Skylicht
 
 		void CSpaceScene::update()
 		{
+			updateViewpoint();
+
 			m_scene->update();
 		}
 
+		void CSpaceScene::updateViewpoint()
+		{
+			const core::matrix4& view = m_editorCamera->getViewMatrix();
+
+			core::matrix4 cameraWorld;
+			view.getInverse(cameraWorld);
+			f32* matData = cameraWorld.pointer();
+
+			core::vector3df dir(matData[8], matData[9], matData[10]);
+			dir.normalize();
+
+			core::vector3df up(matData[4], matData[5], matData[6]);
+			up.normalize();
+
+			float distance = 2.0f;
+			core::vector3df pos = -dir * distance;
+
+			m_viewpointCamera->setPosition(pos);
+			m_viewpointCamera->lookAt(core::vector3df(0.0f, 0.0f, 0.0f), up);
+		}
+
 		void CSpaceScene::onRender(GUI::CBase* base)
 		{
 			if (m_renderRP != NULL)

Projects/Editor/Source/Editor/Space/Scene/CSpaceScene.h

@@ -77,6 +77,8 @@ namespace Skylicht
 
 		protected:
 
+			void updateViewpoint();
+
 			void initRenderPipeline(float w, float h);
 
 			void postMouseEventToScene(EMOUSE_INPUT_EVENT eventType, float x, float y);

Projects/Editor/Source/Editor/SpaceController/CSceneController.cpp

@@ -65,7 +65,8 @@ namespace Skylicht
 
 			buildHierarchyNodes();
 
-			m_spaceHierarchy->setHierarchyNode(m_sceneNode);
+			if (m_spaceHierarchy != NULL)
+				m_spaceHierarchy->setHierarchyNode(m_sceneNode);
 		}
 
 		void CSceneController::buildHierarchyNodes()

Projects/Editor/Source/EditorComponents/Viewpoint/CViewpoint.cpp

@@ -0,0 +1,58 @@
+/*
+!@
+MIT License
+
+CopyRight (c) 2021 Skylicht Technology CO., LTD
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files
+(the "Software"), to deal in the Software without restriction, including without limitation the Rights to use, copy, modify,
+merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRight HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+This file is part of the "Skylicht Engine".
+https://github.com/skylicht-lab/skylicht-engine
+!#
+*/
+
+#include "pch.h"
+#include "CViewpoint.h"
+
+#include "GameObject/CGameObject.h"
+#include "Entity/CEntityManager.h"
+#include "CViewpointData.h"
+#include "CViewpointRenderer.h"
+
+namespace Skylicht
+{
+	namespace Editor
+	{
+		CViewpoint::CViewpoint()
+		{
+
+		}
+
+		CViewpoint::~CViewpoint()
+		{
+
+		}
+
+		void CViewpoint::initComponent()
+		{
+			m_gameObject->getEntity()->addData<CViewpointData>();
+			m_gameObject->getEntityManager()->addRenderSystem<CViewpointRenderer>();
+		}
+
+		void CViewpoint::updateComponent()
+		{
+
+		}
+	}
+}

Projects/Editor/Source/EditorComponents/Viewpoint/CViewpoint.h

@@ -0,0 +1,45 @@
+/*
+!@
+MIT License
+
+CopyRight (c) 2021 Skylicht Technology CO., LTD
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files
+(the "Software"), to deal in the Software without restriction, including without limitation the Rights to use, copy, modify,
+merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRight HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+This file is part of the "Skylicht Engine".
+https://github.com/skylicht-lab/skylicht-engine
+!#
+*/
+
+#pragma once
+
+#include "Components/CComponentSystem.h"
+
+namespace Skylicht
+{
+	namespace Editor
+	{
+		class CViewpoint : public CComponentSystem
+		{
+		public:
+			CViewpoint();
+
+			virtual ~CViewpoint();
+
+			virtual void initComponent();
+
+			virtual void updateComponent();
+		};
+	}
+}

Projects/Editor/Source/EditorComponents/Viewpoint/CViewpointData.cpp

@@ -0,0 +1,42 @@
+/*
+!@
+MIT License
+
+CopyRight (c) 2021 Skylicht Technology CO., LTD
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files
+(the "Software"), to deal in the Software without restriction, including without limitation the Rights to use, copy, modify,
+merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRight HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+This file is part of the "Skylicht Engine".
+https://github.com/skylicht-lab/skylicht-engine
+!#
+*/
+
+#include "pch.h"
+#include "CViewpointData.h"
+
+namespace Skylicht
+{
+	namespace Editor
+	{
+		CViewpointData::CViewpointData()
+		{
+
+		}
+
+		CViewpointData::~CViewpointData()
+		{
+
+		}
+	}
+}

Projects/Editor/Source/EditorComponents/Viewpoint/CViewpointData.h

@@ -0,0 +1,41 @@
+/*
+!@
+MIT License
+
+CopyRight (c) 2021 Skylicht Technology CO., LTD
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files
+(the "Software"), to deal in the Software without restriction, including without limitation the Rights to use, copy, modify,
+merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRight HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+This file is part of the "Skylicht Engine".
+https://github.com/skylicht-lab/skylicht-engine
+!#
+*/
+
+#pragma once
+
+#include "Entity/IEntityData.h"
+
+namespace Skylicht
+{
+	namespace Editor
+	{
+		class CViewpointData : public IEntityData
+		{
+		public:
+			CViewpointData();
+
+			virtual ~CViewpointData();
+		};
+	}
+}

Projects/Editor/Source/EditorComponents/Viewpoint/CViewpointRenderer.cpp

@@ -0,0 +1,91 @@
+/*
+!@
+MIT License
+
+CopyRight (c) 2021 Skylicht Technology CO., LTD
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files
+(the "Software"), to deal in the Software without restriction, including without limitation the Rights to use, copy, modify,
+merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRight HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+This file is part of the "Skylicht Engine".
+https://github.com/skylicht-lab/skylicht-engine
+!#
+*/
+
+#include "pch.h"
+#include "CViewpointRenderer.h"
+
+namespace Skylicht
+{
+	namespace Editor
+	{
+		CViewpointRenderer::CViewpointRenderer()
+		{
+		}
+
+		CViewpointRenderer::~CViewpointRenderer()
+		{
+
+		}
+
+		void CViewpointRenderer::beginQuery()
+		{
+			m_viewpoints.set_used(0);
+			m_transforms.set_used(0);
+		}
+
+		void CViewpointRenderer::onQuery(CEntityManager* entityManager, CEntity* entity)
+		{
+			CViewpointData* viewPointData = entity->getData<CViewpointData>();
+
+			if (viewPointData != NULL)
+			{
+				CVisibleData* visible = entity->getData<CVisibleData>();
+				CWorldTransformData* transformData = entity->getData<CWorldTransformData>();
+
+				if (transformData != NULL && visible->Visible)
+				{
+					m_viewpoints.push_back(viewPointData);
+					m_transforms.push_back(transformData);
+				}
+			}
+		}
+
+		void CViewpointRenderer::init(CEntityManager* entityManager)
+		{
+
+		}
+
+		void CViewpointRenderer::update(CEntityManager* entityManager)
+		{
+
+		}
+
+		void CViewpointRenderer::render(CEntityManager* entityManager)
+		{
+			IVideoDriver* driver = getVideoDriver();
+
+			CViewpointData** viewpoints = m_viewpoints.pointer();
+			CWorldTransformData** transforms = m_transforms.pointer();
+
+			for (u32 i = 0, n = m_viewpoints.size(); i < n; i++)
+			{
+				driver->setTransform(video::ETS_WORLD, transforms[i]->World);
+
+				// IMeshBuffer* buffer = viewpoints[i]->Buffer;
+				// driver->setMaterial(buffer->getMaterial());
+				// driver->drawMeshBuffer(buffer);
+			}
+		}
+	}
+}