PlatinumSkink
86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
//
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// Created by Administrator on 2015-09-16.
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//
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#ifndef DAYDREAM_VIEWPORT_H
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#define DAYDREAM_VIEWPORT_H
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#include <memory>
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#include "GUI/Frame.h"
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#include "Core/World.h"
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#include "Transform/TransformSystem.h"
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#include "Core/CTransform.h"
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#include "Rendering/CCamera.h"
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#include "Core/RenderQueue.h"
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#include "Core/Camera.h"
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namespace GUI
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{
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class Viewport : public Frame
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{
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public:
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Viewport(Frame* parent, std::string name, std::shared_ptr<World> world)
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: Frame(parent, name)
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, m_World(world)
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{ }
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EntityID CameraEntity() const { return m_CameraEntity; }
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void SetCameraEntity(EntityID cameraEntity)
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{
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m_CameraEntity = cameraEntity;
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auto transformComponent = m_World->GetComponent<Components::Transform>(cameraEntity);
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if (!transformComponent)
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return;
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auto cameraComponent = m_World->GetComponent<Components::Camera>(cameraEntity);
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if (!cameraComponent)
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return;
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m_Camera = std::make_shared<Camera>(cameraComponent->FOV, cameraComponent->NearClip, cameraComponent->FarClip);
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}
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void Update(double dt) override
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{
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if (!m_TransformSystem)
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m_TransformSystem = m_World->GetSystem<Systems::TransformSystem>();
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auto transformComponent = m_World->GetComponent<Components::Transform>(m_CameraEntity);
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if (!transformComponent)
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return;
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auto cameraComponent = m_World->GetComponent<Components::Camera>(m_CameraEntity);
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if (!cameraComponent)
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return;
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Components::Transform absoluteTransform = m_TransformSystem->AbsoluteTransform(m_CameraEntity);
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m_Camera->SetFOV(cameraComponent->FOV);
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m_Camera->SetNearClip(cameraComponent->NearClip);
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m_Camera->SetFarClip(cameraComponent->FarClip);
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m_Camera->SetPosition(absoluteTransform.Position);
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m_Camera->SetOrientation(absoluteTransform.Orientation);
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}
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void Draw(std::shared_ptr<Renderer> renderer) override
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{
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if (!m_Camera)
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return;
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renderer->SetCamera(m_Camera);
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renderer->SetViewport(AbsoluteRectangle());
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renderer->DrawWorld(m_Parent->RenderQueue);
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}
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private:
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std::shared_ptr<World> m_World;
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std::shared_ptr<Systems::TransformSystem> m_TransformSystem;
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std::shared_ptr<Camera> m_Camera;
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EntityID m_CameraEntity;
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};
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}
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#endif //DAYDREAM_VIEWPORT_H
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