Camera.h - DOOM-3-BFG - DOOM 3 BFG Edition

Camera.h (4036B)
      1 /*
      2 ===========================================================================
      3 
      4 Doom 3 BFG Edition GPL Source Code
      5 Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company. 
      6 
      7 This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").  
      8 
      9 Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
     10 it under the terms of the GNU General Public License as published by
     11 the Free Software Foundation, either version 3 of the License, or
     12 (at your option) any later version.
     13 
     14 Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
     15 but WITHOUT ANY WARRANTY; without even the implied warranty of
     16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     17 GNU General Public License for more details.
     18 
     19 You should have received a copy of the GNU General Public License
     20 along with Doom 3 BFG Edition Source Code.  If not, see <http://www.gnu.org/licenses/>.
     21 
     22 In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code.  If not, please request a copy in writing from id Software at the address below.
     23 
     24 If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
     25 
     26 ===========================================================================
     27 */
     28 
     29 #ifndef __GAME_CAMERA_H__
     30 #define __GAME_CAMERA_H__
     31 
     32 
     33 /*
     34 ===============================================================================
     35 
     36 Camera providing an alternative view of the level.
     37 
     38 ===============================================================================
     39 */
     40 
     41 class idCamera : public idEntity {
     42 public:
     43 	ABSTRACT_PROTOTYPE( idCamera );
     44 
     45 	void					Spawn();
     46 	virtual void			GetViewParms( renderView_t *view ) = 0;
     47 	virtual renderView_t *	GetRenderView();
     48 	virtual void			Stop(){} ;
     49 };
     50 
     51 /*
     52 ===============================================================================
     53 
     54 idCameraView
     55 
     56 ===============================================================================
     57 */
     58 
     59 class idCameraView : public idCamera {
     60 public:
     61 	CLASS_PROTOTYPE( idCameraView );
     62 							idCameraView();
     63 
     64 	// save games
     65 	void					Save( idSaveGame *savefile ) const;				// archives object for save game file
     66 	void					Restore( idRestoreGame *savefile );				// unarchives object from save game file
     67 
     68 	void					Spawn( );
     69 	virtual void			GetViewParms( renderView_t *view );
     70 	virtual void			Stop();
     71 
     72 protected:
     73 	void					Event_Activate( idEntity *activator );
     74 	void					Event_SetAttachments();
     75 	void					SetAttachment( idEntity **e, const char *p );
     76 	float					fov;
     77 	idEntity				*attachedTo;
     78 	idEntity				*attachedView;
     79 };
     80 
     81 
     82 
     83 /*
     84 ===============================================================================
     85 
     86 A camera which follows a path defined by an animation.
     87 
     88 ===============================================================================
     89 */
     90 
     91 typedef struct {
     92 	idCQuat				q;
     93 	idVec3				t;
     94 	float				fov;
     95 } cameraFrame_t;
     96 
     97 class idCameraAnim : public idCamera {
     98 public:
     99 	CLASS_PROTOTYPE( idCameraAnim );
    100 
    101 							idCameraAnim();
    102 							~idCameraAnim();
    103 
    104 	// save games
    105 	void					Save( idSaveGame *savefile ) const;				// archives object for save game file
    106 	void					Restore( idRestoreGame *savefile );				// unarchives object from save game file
    107 
    108 	void					Spawn();
    109 	virtual void			GetViewParms( renderView_t *view );
    110 
    111 private:
    112 	int						threadNum;
    113 	idVec3					offset;
    114 	int						frameRate;
    115 	int						starttime;
    116 	int						cycle;
    117 	idList<int>				cameraCuts;
    118 	idList<cameraFrame_t>	camera;
    119 	idEntityPtr<idEntity>	activator;
    120 
    121 	void					Start();
    122 	void					Stop();
    123 	void					Think();
    124 
    125 	void					LoadAnim();
    126 	void					Event_Start();
    127 	void					Event_Stop();
    128 	void					Event_SetCallback();
    129 	void					Event_Activate( idEntity *activator );
    130 };
    131 
    132 #endif /* !__GAME_CAMERA_H__ */