Ndk: Added CameraComponent (WIP)

Former-commit-id: ae7be5448a1150b7beba10e03916e94df51ea3a0
2015-05-05 18:39:47 +02:00
parent a494ce5cca
commit e55b4edd0c
4 changed files with 405 additions and 0 deletions
--- a/SDK/include/NDK/Components/CameraComponent.hpp
+++ b/SDK/include/NDK/Components/CameraComponent.hpp
@@ -0,0 +1,93 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Development Kit"
+// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
+
+#pragma once
+
+#ifndef NDK_COMPONENTS_CAMERACOMPONENT_HPP
+#define NDK_COMPONENTS_CAMERACOMPONENT_HPP
+
+#include <Nazara/Math/Frustum.hpp>
+#include <Nazara/Math/Matrix4.hpp>
+#include <Nazara/Math/Vector3.hpp>
+#include <Nazara/Renderer/RenderTarget.hpp>
+#include <NDK/Component.hpp>
+
+namespace Ndk
+{
+	class Entity;
+
+	class NDK_API CameraComponent : public Component<CameraComponent>, NzRenderTarget::Listener
+	{
+		public:
+			CameraComponent();
+			~CameraComponent();
+
+			void EnsureFrustumUpdate() const;
+			void EnsureProjectionMatrixUpdate() const;
+			void EnsureViewMatrixUpdate() const;
+			void EnsureViewportUpdate() const;
+
+			float GetAspectRatio() const;
+			NzVector3f GetEyePosition() const;
+			NzVector3f GetForward() const;
+			float GetFOV() const;
+			const NzFrustumf& GetFrustum() const;
+			unsigned int GetLayer() const;
+			const NzMatrix4f& GetProjectionMatrix() const;
+			const NzRenderTarget* GetTarget() const;
+			const NzRectf& GetTargetRegion() const;
+			const NzMatrix4f& GetViewMatrix() const;
+			const NzRecti& GetViewport() const;
+			float GetZFar() const;
+			float GetZNear() const;
+
+			void SetFOV(float fov);
+			void SetLayer(unsigned int layer);
+			void SetTarget(const NzRenderTarget* renderTarget);
+			void SetTargetRegion(const NzRectf& region);
+			void SetViewport(const NzRecti& viewport);
+			void SetZFar(float zFar);
+			void SetZNear(float zNear);
+
+			static ComponentIndex componentIndex;
+
+		private:
+			void InvalidateFrustum() const;
+			void InvalidateProjectionMatrix() const;
+			void InvalidateViewMatrix() const;
+			void InvalidateViewport() const;
+
+			void OnAttached() override;
+			void OnComponentAttached(BaseComponent& component) override;
+			void OnComponentDetached(BaseComponent& component) override;
+			void OnDetached() override;
+			void OnRenderTargetReleased(const NzRenderTarget* renderTarget, void* userdata) override;
+			bool OnRenderTargetSizeChange(const NzRenderTarget* renderTarget, void* userdata) override;
+
+			void UpdateFrustum() const;
+			void UpdateProjectionMatrix() const;
+			void UpdateViewMatrix() const;
+			void UpdateViewport() const;
+
+			mutable NzFrustumf m_frustum;
+			mutable NzMatrix4f m_projectionMatrix;
+			mutable NzMatrix4f m_viewMatrix;
+			NzRectf m_targetRegion;
+			mutable NzRecti m_viewport;
+			const NzRenderTarget* m_target;
+			mutable bool m_frustumUpdated;
+			mutable bool m_projectionMatrixUpdated;
+			mutable bool m_viewMatrixUpdated;
+			mutable bool m_viewportUpdated;
+			mutable float m_aspectRatio;
+			float m_fov;
+			float m_zFar;
+			float m_zNear;
+			unsigned int m_layer;
+	};
+}
+
+#include <NDK/Components/CameraComponent.inl>
+
+#endif // NDK_COMPONENTS_CAMERACOMPONENT_HPP