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69 lines
2.7 KiB
C++
69 lines
2.7 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#ifndef CRYINCLUDE_EDITOR_INCLUDE_IDISPLAYVIEWPORT_H
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#define CRYINCLUDE_EDITOR_INCLUDE_IDISPLAYVIEWPORT_H
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#pragma once
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struct DisplayContext;
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class CBaseObjectsCache;
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class QPoint;
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class CCamera;
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struct AABB;
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class CViewport;
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// Viewport functionality required for DisplayContext
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struct IDisplayViewport
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{
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virtual void Update() = 0;
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virtual float GetScreenScaleFactor(const Vec3& position) const = 0;
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virtual float GetScreenScaleFactor(const CCamera& camera, const Vec3& object_position) = 0;
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virtual bool HitTestLine(const Vec3& lineP1, const Vec3& lineP2, const QPoint& hitpoint, int pixelRadius, float* pToCameraDistance = 0) const = 0;
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/**
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* Gets the distance of the point on screen to the line defined by the two points, converted to screenspace.
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* @param lineP1 The first point of the line, in world space.
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* @param lineP2 The second point of the line, in world space.
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* @param point The point to check the distance from the line. This point is in screen space.
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* @return The distance of the point to the line.
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*/
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virtual float GetDistanceToLine(const Vec3& lineP1, const Vec3& lineP2, const QPoint& point) const = 0;
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enum EAxis
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{
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AXIS_NONE,
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AXIS_X,
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AXIS_Y,
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AXIS_Z
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};
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virtual void GetPerpendicularAxis(EAxis* axis, bool* is2D) const = 0;
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virtual const Matrix34& GetViewTM() const = 0;
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virtual const Matrix34& GetScreenTM() const = 0;
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virtual QPoint WorldToView(const Vec3& worldPoint) const = 0;
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virtual Vec3 WorldToView3D(const Vec3& worldPoint, int flags = 0) const = 0;
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virtual Vec3 ViewToWorld(const QPoint& vp, bool* collideWithTerrain = nullptr, bool onlyTerrain = false, bool bSkipVegetation = false, bool bTestRenderMesh = false, bool* collideWithObject = nullptr) const = 0;
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virtual void ViewToWorldRay(const QPoint& vp, Vec3& raySrc, Vec3& rayDir) const = 0;
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virtual float GetGridStep() const = 0;
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virtual void setRay(QPoint& vp, Vec3& raySrc, Vec3& rayDir) = 0;
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virtual void setHitcontext(QPoint& vp, Vec3& raySrc, Vec3& rayDir) = 0;
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virtual float GetAspectRatio() const = 0;
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virtual const ::Plane* GetConstructionPlane() const = 0;
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virtual bool IsBoundsVisible(const AABB& box) const = 0;
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virtual void ScreenToClient(QPoint& pt) const = 0;
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virtual void GetDimensions(int* width, int* height) const = 0;
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virtual CViewport *asCViewport() { return nullptr; }
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};
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#endif // CRYINCLUDE_EDITOR_INCLUDE_IDISPLAYVIEWPORT_H
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