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| 1 | pmbaty | 1 | /* |
| 2 | * Portions of this file are copyright Rebirth contributors and licensed as |
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| 3 | * described in COPYING.txt. |
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| 4 | * Portions of this file are copyright Parallax Software and licensed |
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| 5 | * according to the Parallax license below. |
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| 6 | * See COPYING.txt for license details. |
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| 7 | |||
| 8 | THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX |
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| 9 | SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO |
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| 10 | END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A |
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| 11 | ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS |
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| 12 | IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS |
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| 13 | SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE |
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| 14 | FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE |
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| 15 | CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS |
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| 16 | AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE. |
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| 17 | COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED. |
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| 18 | */ |
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| 19 | |||
| 20 | /* |
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| 21 | * |
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| 22 | * Headers for physics functions and data |
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| 23 | * |
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| 24 | */ |
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| 25 | |||
| 26 | |||
| 27 | #ifndef _PHYSICS_H |
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| 28 | #define _PHYSICS_H |
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| 29 | |||
| 30 | #include "vecmat.h" |
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| 31 | #include "fvi.h" |
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| 32 | #include "fwd-window.h" |
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| 33 | |||
| 34 | #ifdef __cplusplus |
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| 35 | |||
| 36 | //#define FL_NORMAL 0 |
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| 37 | //#define FL_TURBO 1 |
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| 38 | //#define FL_HOVER 2 |
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| 39 | //#define FL_REVERSE 3 |
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| 40 | |||
| 41 | // Simulate a physics object for this frame |
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| 42 | #if defined(DXX_BUILD_DESCENT_I) || defined(DXX_BUILD_DESCENT_II) |
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| 43 | struct phys_visited_seglist |
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| 44 | { |
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| 45 | unsigned nsegs; |
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| 46 | std::array<segnum_t, MAX_FVI_SEGS> seglist; |
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| 47 | }; |
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| 48 | |||
| 49 | #ifdef dsx |
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| 50 | namespace dsx { |
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| 51 | window_event_result do_physics_sim(vmobjptridx_t obj, const vms_vector &obj_previous_position, phys_visited_seglist *phys_segs); |
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| 52 | |||
| 53 | } |
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| 54 | #endif |
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| 55 | namespace dcx { |
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| 56 | |||
| 57 | // Applies an instantaneous force on an object, resulting in an instantaneous |
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| 58 | // change in velocity. |
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| 59 | void phys_apply_force(object_base &obj, const vms_vector &force_vec); |
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| 60 | |||
| 61 | } |
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| 62 | namespace dsx { |
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| 63 | void phys_apply_rot(object &obj, const vms_vector &force_vec); |
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| 64 | } |
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| 65 | |||
| 66 | // this routine will set the thrust for an object to a value that will |
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| 67 | // (hopefully) maintain the object's current velocity |
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| 68 | namespace dcx { |
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| 69 | void set_thrust_from_velocity(object_base &obj); |
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| 70 | } |
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| 71 | void check_and_fix_matrix(vms_matrix &m); |
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| 72 | namespace dcx { |
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| 73 | void physics_turn_towards_vector(const vms_vector &goal_vector, object_base &obj, fix rate); |
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| 74 | } |
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| 75 | #endif |
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| 76 | |||
| 77 | #endif |
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| 78 | |||
| 79 | #endif /* _PHYSICS_H */ |