mirror of
https://github.com/ptitSeb/Serious-Engine
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95 lines
3.6 KiB
C++
95 lines
3.6 KiB
C++
/* Copyright (c) 2002-2012 Croteam Ltd.
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as published by
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the Free Software Foundation
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
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#ifndef SE_INCL_PROJECTION_DOUBLE_H
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#define SE_INCL_PROJECTION_DOUBLE_H
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#ifdef PRAGMA_ONCE
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#pragma once
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#endif
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#include <Engine/Math/Vector.h>
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#include <Engine/Math/Matrix.h>
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#include <Engine/Math/Placement.h>
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#include <Engine/Math/TextureMapping.h>
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/*
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* Geometric projection of one 3D space onto another 3D space
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*/
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class ENGINE_API CSimpleProjection3D_DOUBLE {
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public:
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// factors set by user
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CPlacement3D pr_ObjectPlacement; // placement of the projected object
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CPlacement3D pr_ViewerPlacement; // placement of the viewer
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FLOAT3D pr_ObjectStretch; // stretching coeficients for target object space
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// internal variables
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BOOL pr_Prepared; // set if all precalculated variables are prepared
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DOUBLEmatrix3D pr_RotationMatrix; // matrix for rotating when projecting
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DOUBLEmatrix3D pr_ViewerRotationMatrix; // viewer part of rotation matrix
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DOUBLE3D pr_TranslationVector; // vector for translating when projecting
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public:
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// construction/destruction
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/* Default constructor. */
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CSimpleProjection3D_DOUBLE(void);
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// member referencing
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/* Reference viewer placement. */
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inline CPlacement3D &ViewerPlacementL(void) {
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IFDEBUG(pr_Prepared = FALSE); // invalidate precalculations on any non-const access
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return pr_ViewerPlacement;
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}
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inline const CPlacement3D &ViewerPlacementR(void) const {
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return pr_ViewerPlacement;
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}
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/* Reference object placement. */
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inline CPlacement3D &ObjectPlacementL(void) {
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IFDEBUG(pr_Prepared = FALSE); // invalidate precalculations on any non-const access
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return pr_ObjectPlacement;
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}
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inline const CPlacement3D &ObjectPlacementR(void) const {
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return pr_ObjectPlacement;
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}
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/* Reference target object stretching. */
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inline FLOAT3D &ObjectStretchL(void) {
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IFDEBUG(pr_Prepared = FALSE); // invalidate precalculations on any non-const access
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return pr_ObjectStretch;
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}
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inline const FLOAT3D &ObjectStretchR(void) const {
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return pr_ObjectStretch;
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}
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/* Prepare for projecting. */
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void Prepare(void);
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/* Project 3D object point into 3D view space. */
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void ProjectCoordinate(const DOUBLE3D &v3dObjectPoint, DOUBLE3D &v3dViewPoint) const;
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/* Project 3D object direction vector into 3D view space. */
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void ProjectDirection(const DOUBLE3D &v3dObjectPoint, DOUBLE3D &v3dViewPoint) const;
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/* Project 3D object placement into 3D view space. */
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void ProjectPlacement(const CPlacement3D &plObject, CPlacement3D &plView) const;
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/* Project 3D object mapping into 3D view space. */
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void ProjectMapping(const CMappingDefinition &mdObject, const DOUBLEplane3D &plObject,
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CMappingDefinition &mdView) const;
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/* Project 3D object axis aligned bounding box into 3D view space. */
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void ProjectAABBox(const DOUBLEaabbox3D &boxObject, DOUBLEaabbox3D &boxView) const;
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/* Project 3D object plane into 3D view space. */
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void Project(const DOUBLEplane3D &p3dObjectPlane, DOUBLEplane3D &v3dTransformedPlane) const;
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};
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#endif /* include-once check. */
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