53 lines
2.1 KiB
C
53 lines
2.1 KiB
C
/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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#ifndef _PHYSICS_H
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#define _PHYSICS_H
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#include "vecmat.h"
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#include "fvi.h"
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//#define FL_NORMAL 0
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//#define FL_TURBO 1
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//#define FL_HOVER 2
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//#define FL_REVERSE 3
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//these global vars are set after a call to do_physics_sim(). Ugly, I know.
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//list of segments went through
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extern int phys_seglist[MAX_FVI_SEGS],n_phys_segs;
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// Read contrls and set physics vars
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void read_flying_controls( object * obj );
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//Simulate a physics object for this frame
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void do_physics_sim(object *obj);
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//tell us what the given object will do (as far as hiting walls) in
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//the given time (in seconds) t. Igores acceleration (sorry)
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//if check_objects is set, check with objects, else just with walls
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//returns fate, fills in hit time. If fate==HIT_NONE, hit_time undefined
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// Stuff hit_info with fvi data as set by find_vector_intersection.
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//for fvi_flags, refer to fvi.h for the fvi query flags
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int physics_lookahead(object *obj,fix t,int fvi_flags,fix *hit_time, fvi_info *hit_info);
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//Applies an instantaneous force on an object, resulting in an instantaneous
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//change in velocity.
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void phys_apply_force(object *obj,vms_vector *force_vec);
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void phys_apply_rot(object *obj,vms_vector *force_vec);
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//this routine will set the thrust for an object to a value that will
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//(hopefully) maintain the object's current velocity
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void set_thrust_from_velocity(object *obj);
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#endif
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