105 lines
3.7 KiB
C
105 lines
3.7 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 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Code for controlling player movement
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*
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*/
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#include <stdlib.h>
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#include "key.h"
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#include "joy.h"
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#include "timer.h"
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#include "error.h"
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#include "inferno.h"
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#include "game.h"
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#include "object.h"
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#include "player.h"
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#include "controls.h"
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#include "render.h"
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#include "args.h"
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#include "palette.h"
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#include "mouse.h"
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#include "kconfig.h"
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//look at keyboard, mouse, joystick, CyberMan, whatever, and set
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//physics vars rotvel, velocity
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void read_flying_controls( object * obj )
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{
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fix afterburner_thrust;
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Assert(FrameTime > 0); //Get MATT if hit this!
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// Couldn't the "50" in the next three lines be changed to "64" with no ill effect?
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obj->mtype.phys_info.rotthrust.x = Controls.pitch_time;
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obj->mtype.phys_info.rotthrust.y = Controls.heading_time;
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obj->mtype.phys_info.rotthrust.z = Controls.bank_time;
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afterburner_thrust = 0;
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if (Players[Player_num].flags & PLAYER_FLAGS_AFTERBURNER)
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afterburner_thrust = FrameTime;
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// Set object's thrust vector for forward/backward
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vm_vec_copy_scale(&obj->mtype.phys_info.thrust,&obj->orient.fvec, Controls.forward_thrust_time + afterburner_thrust );
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// slide left/right
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vm_vec_scale_add2(&obj->mtype.phys_info.thrust,&obj->orient.rvec, Controls.sideways_thrust_time );
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// slide up/down
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vm_vec_scale_add2(&obj->mtype.phys_info.thrust,&obj->orient.uvec, Controls.vertical_thrust_time );
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if (obj->mtype.phys_info.flags & PF_WIGGLE) {
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fix swiggle;
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fix_fastsincos(GameTime, &swiggle, NULL);
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if (FrameTime < F1_0) // Only scale wiggle if getting at least 1 FPS, to avoid causing the opposite problem.
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swiggle = fixmul(swiggle*20, FrameTime); //make wiggle fps-independant (based on pre-scaled amount of wiggle at 20 FPS)
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vm_vec_scale_add2(&obj->mtype.phys_info.velocity,&obj->orient.uvec,fixmul(swiggle,Player_ship->wiggle));
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}
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// As of now, obj->mtype.phys_info.thrust & obj->mtype.phys_info.rotthrust are
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// in units of time... In other words, if thrust==FrameTime, that
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// means that the user was holding down the Max_thrust key for the
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// whole frame. So we just scale them up by the max, and divide by
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// FrameTime to make them independant of framerate
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// Prevent divide overflows on high frame rates.
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// In a signed divide, you get an overflow if num >= div<<15
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{
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fix ft = FrameTime;
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// Note, you must check for ft < F1_0/2, else you can get an overflow on the << 15.
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if ((ft < F1_0/2) && (ft << 15 <= Player_ship->max_thrust)) {
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ft = (Player_ship->max_thrust >> 15) + 1;
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}
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vm_vec_scale( &obj->mtype.phys_info.thrust, fixdiv(Player_ship->max_thrust,ft) );
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if ((ft < F1_0/2) && (ft << 15 <= Player_ship->max_rotthrust)) {
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ft = (Player_ship->max_thrust >> 15) + 1;
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}
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vm_vec_scale( &obj->mtype.phys_info.rotthrust, fixdiv(Player_ship->max_rotthrust,ft) );
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}
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//moved here by WraithX
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if (Player_is_dead) {
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//vm_vec_zero(&obj->mtype.phys_info.rotthrust); //let dead players rotate, changed by WraithX
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vm_vec_zero(&obj->mtype.phys_info.thrust); //don't let dead players move, changed by WraithX
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return;
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}//end if
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}
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