mirror of
https://github.com/dhewm/dhewm3.git
synced 2024-11-30 16:11:11 +00:00
2043 lines
52 KiB
C++
2043 lines
52 KiB
C++
/*
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===========================================================================
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Doom 3 GPL Source Code
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Copyright (C) 1999-2011 id Software LLC, a ZeniMax Media company.
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This file is part of the Doom 3 GPL Source Code ("Doom 3 Source Code").
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Doom 3 Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Doom 3 Source Code 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
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along with Doom 3 Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the Doom 3 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 Source Code. If not, please request a copy in writing from id Software at the address below.
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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.
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===========================================================================
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*/
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#include "../../idlib/precompiled.h"
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#pragma hdrstop
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#include "../Game_local.h"
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CLASS_DECLARATION( idPhysics_Actor, idPhysics_Player )
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END_CLASS
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// movement parameters
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const float PM_STOPSPEED = 100.0f;
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const float PM_SWIMSCALE = 0.5f;
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const float PM_LADDERSPEED = 100.0f;
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const float PM_STEPSCALE = 1.0f;
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const float PM_ACCELERATE = 10.0f;
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const float PM_AIRACCELERATE = 1.0f;
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const float PM_WATERACCELERATE = 4.0f;
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const float PM_FLYACCELERATE = 8.0f;
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const float PM_FRICTION = 6.0f;
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const float PM_AIRFRICTION = 0.0f;
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const float PM_WATERFRICTION = 1.0f;
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const float PM_FLYFRICTION = 3.0f;
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const float PM_NOCLIPFRICTION = 12.0f;
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const float MIN_WALK_NORMAL = 0.7f; // can't walk on very steep slopes
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const float OVERCLIP = 1.001f;
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// movementFlags
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const int PMF_DUCKED = 1; // set when ducking
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const int PMF_JUMPED = 2; // set when the player jumped this frame
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const int PMF_STEPPED_UP = 4; // set when the player stepped up this frame
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const int PMF_STEPPED_DOWN = 8; // set when the player stepped down this frame
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const int PMF_JUMP_HELD = 16; // set when jump button is held down
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const int PMF_TIME_LAND = 32; // movementTime is time before rejump
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const int PMF_TIME_KNOCKBACK = 64; // movementTime is an air-accelerate only time
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const int PMF_TIME_WATERJUMP = 128; // movementTime is waterjump
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const int PMF_ALL_TIMES = (PMF_TIME_WATERJUMP|PMF_TIME_LAND|PMF_TIME_KNOCKBACK);
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int c_pmove = 0;
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/*
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============
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idPhysics_Player::CmdScale
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Returns the scale factor to apply to cmd movements
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This allows the clients to use axial -127 to 127 values for all directions
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without getting a sqrt(2) distortion in speed.
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============
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*/
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float idPhysics_Player::CmdScale( const usercmd_t &cmd ) const {
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int max;
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float total;
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float scale;
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int forwardmove;
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int rightmove;
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int upmove;
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forwardmove = cmd.forwardmove;
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rightmove = cmd.rightmove;
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// since the crouch key doubles as downward movement, ignore downward movement when we're on the ground
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// otherwise crouch speed will be lower than specified
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if ( walking ) {
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upmove = 0;
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} else {
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upmove = cmd.upmove;
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}
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max = abs( forwardmove );
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if ( abs( rightmove ) > max ) {
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max = abs( rightmove );
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}
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if ( abs( upmove ) > max ) {
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max = abs( upmove );
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}
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if ( !max ) {
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return 0.0f;
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}
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total = idMath::Sqrt( (float) forwardmove * forwardmove + rightmove * rightmove + upmove * upmove );
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scale = (float) playerSpeed * max / ( 127.0f * total );
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return scale;
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}
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/*
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==============
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idPhysics_Player::Accelerate
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Handles user intended acceleration
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==============
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*/
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void idPhysics_Player::Accelerate( const idVec3 &wishdir, const float wishspeed, const float accel ) {
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#if 1
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// q2 style
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float addspeed, accelspeed, currentspeed;
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currentspeed = current.velocity * wishdir;
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addspeed = wishspeed - currentspeed;
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if (addspeed <= 0) {
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return;
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}
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accelspeed = accel * frametime * wishspeed;
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if (accelspeed > addspeed) {
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accelspeed = addspeed;
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}
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current.velocity += accelspeed * wishdir;
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#else
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// proper way (avoids strafe jump maxspeed bug), but feels bad
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idVec3 wishVelocity;
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idVec3 pushDir;
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float pushLen;
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float canPush;
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wishVelocity = wishdir * wishspeed;
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pushDir = wishVelocity - current.velocity;
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pushLen = pushDir.Normalize();
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canPush = accel * frametime * wishspeed;
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if (canPush > pushLen) {
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canPush = pushLen;
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}
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current.velocity += canPush * pushDir;
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#endif
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}
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/*
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==================
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idPhysics_Player::SlideMove
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Returns true if the velocity was clipped in some way
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==================
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*/
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#define MAX_CLIP_PLANES 5
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bool idPhysics_Player::SlideMove( bool gravity, bool stepUp, bool stepDown, bool push ) {
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int i, j, k, pushFlags;
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int bumpcount, numbumps, numplanes;
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float d, time_left, into, totalMass;
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idVec3 dir, planes[MAX_CLIP_PLANES];
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idVec3 end, stepEnd, primal_velocity, endVelocity, endClipVelocity, clipVelocity;
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trace_t trace, stepTrace, downTrace;
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bool nearGround, stepped, pushed;
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numbumps = 4;
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primal_velocity = current.velocity;
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if ( gravity ) {
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endVelocity = current.velocity + gravityVector * frametime;
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current.velocity = ( current.velocity + endVelocity ) * 0.5f;
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primal_velocity = endVelocity;
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if ( groundPlane ) {
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// slide along the ground plane
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current.velocity.ProjectOntoPlane( groundTrace.c.normal, OVERCLIP );
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}
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}
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else {
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endVelocity = current.velocity;
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}
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time_left = frametime;
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// never turn against the ground plane
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if ( groundPlane ) {
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numplanes = 1;
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planes[0] = groundTrace.c.normal;
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} else {
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numplanes = 0;
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}
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// never turn against original velocity
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planes[numplanes] = current.velocity;
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planes[numplanes].Normalize();
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numplanes++;
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for ( bumpcount = 0; bumpcount < numbumps; bumpcount++ ) {
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// calculate position we are trying to move to
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end = current.origin + time_left * current.velocity;
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// see if we can make it there
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gameLocal.clip.Translation( trace, current.origin, end, clipModel, clipModel->GetAxis(), clipMask, self );
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time_left -= time_left * trace.fraction;
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current.origin = trace.endpos;
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// if moved the entire distance
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if ( trace.fraction >= 1.0f ) {
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break;
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}
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stepped = pushed = false;
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// if we are allowed to step up
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if ( stepUp ) {
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nearGround = groundPlane | ladder;
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if ( !nearGround ) {
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// trace down to see if the player is near the ground
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// step checking when near the ground allows the player to move up stairs smoothly while jumping
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stepEnd = current.origin + maxStepHeight * gravityNormal;
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gameLocal.clip.Translation( downTrace, current.origin, stepEnd, clipModel, clipModel->GetAxis(), clipMask, self );
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nearGround = ( downTrace.fraction < 1.0f && (downTrace.c.normal * -gravityNormal) > MIN_WALK_NORMAL );
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}
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// may only step up if near the ground or on a ladder
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if ( nearGround ) {
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// step up
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stepEnd = current.origin - maxStepHeight * gravityNormal;
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gameLocal.clip.Translation( downTrace, current.origin, stepEnd, clipModel, clipModel->GetAxis(), clipMask, self );
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// trace along velocity
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stepEnd = downTrace.endpos + time_left * current.velocity;
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gameLocal.clip.Translation( stepTrace, downTrace.endpos, stepEnd, clipModel, clipModel->GetAxis(), clipMask, self );
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// step down
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stepEnd = stepTrace.endpos + maxStepHeight * gravityNormal;
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gameLocal.clip.Translation( downTrace, stepTrace.endpos, stepEnd, clipModel, clipModel->GetAxis(), clipMask, self );
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if ( downTrace.fraction >= 1.0f || (downTrace.c.normal * -gravityNormal) > MIN_WALK_NORMAL ) {
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// if moved the entire distance
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if ( stepTrace.fraction >= 1.0f ) {
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time_left = 0;
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current.stepUp -= ( downTrace.endpos - current.origin ) * gravityNormal;
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current.origin = downTrace.endpos;
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current.movementFlags |= PMF_STEPPED_UP;
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current.velocity *= PM_STEPSCALE;
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break;
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}
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// if the move is further when stepping up
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if ( stepTrace.fraction > trace.fraction ) {
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time_left -= time_left * stepTrace.fraction;
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current.stepUp -= ( downTrace.endpos - current.origin ) * gravityNormal;
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current.origin = downTrace.endpos;
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current.movementFlags |= PMF_STEPPED_UP;
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current.velocity *= PM_STEPSCALE;
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trace = stepTrace;
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stepped = true;
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}
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}
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}
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}
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// if we can push other entities and not blocked by the world
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if ( push && trace.c.entityNum != ENTITYNUM_WORLD ) {
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clipModel->SetPosition( current.origin, clipModel->GetAxis() );
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// clip movement, only push idMoveables, don't push entities the player is standing on
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// apply impact to pushed objects
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pushFlags = PUSHFL_CLIP|PUSHFL_ONLYMOVEABLE|PUSHFL_NOGROUNDENTITIES|PUSHFL_APPLYIMPULSE;
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// clip & push
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totalMass = gameLocal.push.ClipTranslationalPush( trace, self, pushFlags, end, end - current.origin );
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if ( totalMass > 0.0f ) {
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// decrease velocity based on the total mass of the objects being pushed ?
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current.velocity *= 1.0f - idMath::ClampFloat( 0.0f, 1000.0f, totalMass - 20.0f ) * ( 1.0f / 950.0f );
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pushed = true;
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}
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current.origin = trace.endpos;
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time_left -= time_left * trace.fraction;
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// if moved the entire distance
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if ( trace.fraction >= 1.0f ) {
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break;
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}
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}
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if ( !stepped ) {
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// let the entity know about the collision
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self->Collide( trace, current.velocity );
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}
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if ( numplanes >= MAX_CLIP_PLANES ) {
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// MrElusive: I think we have some relatively high poly LWO models with a lot of slanted tris
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// where it may hit the max clip planes
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current.velocity = vec3_origin;
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return true;
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}
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//
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// if this is the same plane we hit before, nudge velocity
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// out along it, which fixes some epsilon issues with
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// non-axial planes
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//
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for ( i = 0; i < numplanes; i++ ) {
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if ( ( trace.c.normal * planes[i] ) > 0.999f ) {
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current.velocity += trace.c.normal;
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break;
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}
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}
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if ( i < numplanes ) {
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continue;
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}
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planes[numplanes] = trace.c.normal;
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numplanes++;
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//
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// modify velocity so it parallels all of the clip planes
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//
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// find a plane that it enters
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for ( i = 0; i < numplanes; i++ ) {
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into = current.velocity * planes[i];
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if ( into >= 0.1f ) {
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continue; // move doesn't interact with the plane
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}
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// slide along the plane
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clipVelocity = current.velocity;
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clipVelocity.ProjectOntoPlane( planes[i], OVERCLIP );
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// slide along the plane
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endClipVelocity = endVelocity;
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endClipVelocity.ProjectOntoPlane( planes[i], OVERCLIP );
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// see if there is a second plane that the new move enters
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for ( j = 0; j < numplanes; j++ ) {
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if ( j == i ) {
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continue;
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}
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if ( ( clipVelocity * planes[j] ) >= 0.1f ) {
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continue; // move doesn't interact with the plane
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}
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// try clipping the move to the plane
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clipVelocity.ProjectOntoPlane( planes[j], OVERCLIP );
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endClipVelocity.ProjectOntoPlane( planes[j], OVERCLIP );
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// see if it goes back into the first clip plane
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if ( ( clipVelocity * planes[i] ) >= 0 ) {
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continue;
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}
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// slide the original velocity along the crease
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dir = planes[i].Cross( planes[j] );
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dir.Normalize();
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d = dir * current.velocity;
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clipVelocity = d * dir;
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dir = planes[i].Cross( planes[j] );
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dir.Normalize();
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d = dir * endVelocity;
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endClipVelocity = d * dir;
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// see if there is a third plane the the new move enters
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for ( k = 0; k < numplanes; k++ ) {
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if ( k == i || k == j ) {
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continue;
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}
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if ( ( clipVelocity * planes[k] ) >= 0.1f ) {
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continue; // move doesn't interact with the plane
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}
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// stop dead at a tripple plane interaction
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current.velocity = vec3_origin;
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return true;
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}
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}
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// if we have fixed all interactions, try another move
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current.velocity = clipVelocity;
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endVelocity = endClipVelocity;
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break;
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}
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}
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// step down
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if ( stepDown && groundPlane ) {
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stepEnd = current.origin + gravityNormal * maxStepHeight;
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gameLocal.clip.Translation( downTrace, current.origin, stepEnd, clipModel, clipModel->GetAxis(), clipMask, self );
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if ( downTrace.fraction > 1e-4f && downTrace.fraction < 1.0f ) {
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current.stepUp -= ( downTrace.endpos - current.origin ) * gravityNormal;
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current.origin = downTrace.endpos;
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current.movementFlags |= PMF_STEPPED_DOWN;
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current.velocity *= PM_STEPSCALE;
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}
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}
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if ( gravity ) {
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current.velocity = endVelocity;
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}
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// come to a dead stop when the velocity orthogonal to the gravity flipped
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clipVelocity = current.velocity - gravityNormal * current.velocity * gravityNormal;
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endClipVelocity = endVelocity - gravityNormal * endVelocity * gravityNormal;
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if ( clipVelocity * endClipVelocity < 0.0f ) {
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current.velocity = gravityNormal * current.velocity * gravityNormal;
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}
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return (bool)( bumpcount == 0 );
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}
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/*
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==================
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idPhysics_Player::Friction
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Handles both ground friction and water friction
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==================
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*/
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void idPhysics_Player::Friction( void ) {
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idVec3 vel;
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float speed, newspeed, control;
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float drop;
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vel = current.velocity;
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if ( walking ) {
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// ignore slope movement, remove all velocity in gravity direction
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vel += (vel * gravityNormal) * gravityNormal;
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}
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speed = vel.Length();
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if ( speed < 1.0f ) {
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// remove all movement orthogonal to gravity, allows for sinking underwater
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if ( fabs( current.velocity * gravityNormal ) < 1e-5f ) {
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current.velocity.Zero();
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} else {
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current.velocity = (current.velocity * gravityNormal) * gravityNormal;
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}
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// FIXME: still have z friction underwater?
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return;
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}
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drop = 0;
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// spectator friction
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if ( current.movementType == PM_SPECTATOR ) {
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drop += speed * PM_FLYFRICTION * frametime;
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}
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// apply ground friction
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else if ( walking && waterLevel <= WATERLEVEL_FEET ) {
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// no friction on slick surfaces
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if ( !(groundMaterial && groundMaterial->GetSurfaceFlags() & SURF_SLICK) ) {
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// if getting knocked back, no friction
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if ( !(current.movementFlags & PMF_TIME_KNOCKBACK) ) {
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control = speed < PM_STOPSPEED ? PM_STOPSPEED : speed;
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drop += control * PM_FRICTION * frametime;
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}
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}
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}
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// apply water friction even if just wading
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else if ( waterLevel ) {
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drop += speed * PM_WATERFRICTION * waterLevel * frametime;
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}
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// apply air friction
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else {
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drop += speed * PM_AIRFRICTION * frametime;
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}
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// scale the velocity
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newspeed = speed - drop;
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if (newspeed < 0) {
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newspeed = 0;
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}
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current.velocity *= ( newspeed / speed );
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}
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/*
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===================
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idPhysics_Player::WaterJumpMove
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Flying out of the water
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===================
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*/
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void idPhysics_Player::WaterJumpMove( void ) {
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// waterjump has no control, but falls
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idPhysics_Player::SlideMove( true, true, false, false );
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// add gravity
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current.velocity += gravityNormal * frametime;
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// if falling down
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if ( current.velocity * gravityNormal > 0.0f ) {
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// cancel as soon as we are falling down again
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current.movementFlags &= ~PMF_ALL_TIMES;
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current.movementTime = 0;
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}
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}
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/*
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===================
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idPhysics_Player::WaterMove
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===================
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*/
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void idPhysics_Player::WaterMove( void ) {
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idVec3 wishvel;
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float wishspeed;
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idVec3 wishdir;
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float scale;
|
|
float vel;
|
|
|
|
if ( idPhysics_Player::CheckWaterJump() ) {
|
|
idPhysics_Player::WaterJumpMove();
|
|
return;
|
|
}
|
|
|
|
idPhysics_Player::Friction();
|
|
|
|
scale = idPhysics_Player::CmdScale( command );
|
|
|
|
// user intentions
|
|
if ( !scale ) {
|
|
wishvel = gravityNormal * 60; // sink towards bottom
|
|
} else {
|
|
wishvel = scale * (viewForward * command.forwardmove + viewRight * command.rightmove);
|
|
wishvel -= scale * gravityNormal * command.upmove;
|
|
}
|
|
|
|
wishdir = wishvel;
|
|
wishspeed = wishdir.Normalize();
|
|
|
|
if ( wishspeed > playerSpeed * PM_SWIMSCALE ) {
|
|
wishspeed = playerSpeed * PM_SWIMSCALE;
|
|
}
|
|
|
|
idPhysics_Player::Accelerate( wishdir, wishspeed, PM_WATERACCELERATE );
|
|
|
|
// make sure we can go up slopes easily under water
|
|
if ( groundPlane && ( current.velocity * groundTrace.c.normal ) < 0.0f ) {
|
|
vel = current.velocity.Length();
|
|
// slide along the ground plane
|
|
current.velocity.ProjectOntoPlane( groundTrace.c.normal, OVERCLIP );
|
|
|
|
current.velocity.Normalize();
|
|
current.velocity *= vel;
|
|
}
|
|
|
|
idPhysics_Player::SlideMove( false, true, false, false );
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idPhysics_Player::FlyMove
|
|
===================
|
|
*/
|
|
void idPhysics_Player::FlyMove( void ) {
|
|
idVec3 wishvel;
|
|
float wishspeed;
|
|
idVec3 wishdir;
|
|
float scale;
|
|
|
|
// normal slowdown
|
|
idPhysics_Player::Friction();
|
|
|
|
scale = idPhysics_Player::CmdScale( command );
|
|
|
|
if ( !scale ) {
|
|
wishvel = vec3_origin;
|
|
} else {
|
|
wishvel = scale * (viewForward * command.forwardmove + viewRight * command.rightmove);
|
|
wishvel -= scale * gravityNormal * command.upmove;
|
|
}
|
|
|
|
wishdir = wishvel;
|
|
wishspeed = wishdir.Normalize();
|
|
|
|
idPhysics_Player::Accelerate( wishdir, wishspeed, PM_FLYACCELERATE );
|
|
|
|
idPhysics_Player::SlideMove( false, false, false, false );
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idPhysics_Player::AirMove
|
|
===================
|
|
*/
|
|
void idPhysics_Player::AirMove( void ) {
|
|
idVec3 wishvel;
|
|
idVec3 wishdir;
|
|
float wishspeed;
|
|
float scale;
|
|
|
|
idPhysics_Player::Friction();
|
|
|
|
scale = idPhysics_Player::CmdScale( command );
|
|
|
|
// project moves down to flat plane
|
|
viewForward -= (viewForward * gravityNormal) * gravityNormal;
|
|
viewRight -= (viewRight * gravityNormal) * gravityNormal;
|
|
viewForward.Normalize();
|
|
viewRight.Normalize();
|
|
|
|
wishvel = viewForward * command.forwardmove + viewRight * command.rightmove;
|
|
wishvel -= (wishvel * gravityNormal) * gravityNormal;
|
|
wishdir = wishvel;
|
|
wishspeed = wishdir.Normalize();
|
|
wishspeed *= scale;
|
|
|
|
// not on ground, so little effect on velocity
|
|
idPhysics_Player::Accelerate( wishdir, wishspeed, PM_AIRACCELERATE );
|
|
|
|
// we may have a ground plane that is very steep, even
|
|
// though we don't have a groundentity
|
|
// slide along the steep plane
|
|
if ( groundPlane ) {
|
|
current.velocity.ProjectOntoPlane( groundTrace.c.normal, OVERCLIP );
|
|
}
|
|
|
|
idPhysics_Player::SlideMove( true, false, false, false );
|
|
}
|
|
|
|
/*
|
|
===================
|
|
idPhysics_Player::WalkMove
|
|
===================
|
|
*/
|
|
void idPhysics_Player::WalkMove( void ) {
|
|
idVec3 wishvel;
|
|
idVec3 wishdir;
|
|
float wishspeed;
|
|
float scale;
|
|
float accelerate;
|
|
idVec3 oldVelocity, vel;
|
|
float oldVel, newVel;
|
|
|
|
if ( waterLevel > WATERLEVEL_WAIST && ( viewForward * groundTrace.c.normal ) > 0.0f ) {
|
|
// begin swimming
|
|
idPhysics_Player::WaterMove();
|
|
return;
|
|
}
|
|
|
|
if ( idPhysics_Player::CheckJump() ) {
|
|
// jumped away
|
|
if ( waterLevel > WATERLEVEL_FEET ) {
|
|
idPhysics_Player::WaterMove();
|
|
}
|
|
else {
|
|
idPhysics_Player::AirMove();
|
|
}
|
|
return;
|
|
}
|
|
|
|
idPhysics_Player::Friction();
|
|
|
|
scale = idPhysics_Player::CmdScale( command );
|
|
|
|
// project moves down to flat plane
|
|
viewForward -= (viewForward * gravityNormal) * gravityNormal;
|
|
viewRight -= (viewRight * gravityNormal) * gravityNormal;
|
|
|
|
// project the forward and right directions onto the ground plane
|
|
viewForward.ProjectOntoPlane( groundTrace.c.normal, OVERCLIP );
|
|
viewRight.ProjectOntoPlane( groundTrace.c.normal, OVERCLIP );
|
|
//
|
|
viewForward.Normalize();
|
|
viewRight.Normalize();
|
|
|
|
wishvel = viewForward * command.forwardmove + viewRight * command.rightmove;
|
|
wishdir = wishvel;
|
|
wishspeed = wishdir.Normalize();
|
|
wishspeed *= scale;
|
|
|
|
// clamp the speed lower if wading or walking on the bottom
|
|
if ( waterLevel ) {
|
|
float waterScale;
|
|
|
|
waterScale = waterLevel / 3.0f;
|
|
waterScale = 1.0f - ( 1.0f - PM_SWIMSCALE ) * waterScale;
|
|
if ( wishspeed > playerSpeed * waterScale ) {
|
|
wishspeed = playerSpeed * waterScale;
|
|
}
|
|
}
|
|
|
|
// when a player gets hit, they temporarily lose full control, which allows them to be moved a bit
|
|
if ( ( groundMaterial && groundMaterial->GetSurfaceFlags() & SURF_SLICK ) || current.movementFlags & PMF_TIME_KNOCKBACK ) {
|
|
accelerate = PM_AIRACCELERATE;
|
|
}
|
|
else {
|
|
accelerate = PM_ACCELERATE;
|
|
}
|
|
|
|
idPhysics_Player::Accelerate( wishdir, wishspeed, accelerate );
|
|
|
|
if ( ( groundMaterial && groundMaterial->GetSurfaceFlags() & SURF_SLICK ) || current.movementFlags & PMF_TIME_KNOCKBACK ) {
|
|
current.velocity += gravityVector * frametime;
|
|
}
|
|
|
|
oldVelocity = current.velocity;
|
|
|
|
// slide along the ground plane
|
|
current.velocity.ProjectOntoPlane( groundTrace.c.normal, OVERCLIP );
|
|
|
|
// if not clipped into the opposite direction
|
|
if ( oldVelocity * current.velocity > 0.0f ) {
|
|
newVel = current.velocity.LengthSqr();
|
|
if ( newVel > 1.0f ) {
|
|
oldVel = oldVelocity.LengthSqr();
|
|
if ( oldVel > 1.0f ) {
|
|
// don't decrease velocity when going up or down a slope
|
|
current.velocity *= idMath::Sqrt( oldVel / newVel );
|
|
}
|
|
}
|
|
}
|
|
|
|
// don't do anything if standing still
|
|
vel = current.velocity - (current.velocity * gravityNormal) * gravityNormal;
|
|
if ( !vel.LengthSqr() ) {
|
|
return;
|
|
}
|
|
|
|
gameLocal.push.InitSavingPushedEntityPositions();
|
|
|
|
idPhysics_Player::SlideMove( false, true, true, true );
|
|
}
|
|
|
|
/*
|
|
==============
|
|
idPhysics_Player::DeadMove
|
|
==============
|
|
*/
|
|
void idPhysics_Player::DeadMove( void ) {
|
|
float forward;
|
|
|
|
if ( !walking ) {
|
|
return;
|
|
}
|
|
|
|
// extra friction
|
|
forward = current.velocity.Length();
|
|
forward -= 20;
|
|
if ( forward <= 0 ) {
|
|
current.velocity = vec3_origin;
|
|
}
|
|
else {
|
|
current.velocity.Normalize();
|
|
current.velocity *= forward;
|
|
}
|
|
}
|
|
|
|
/*
|
|
===============
|
|
idPhysics_Player::NoclipMove
|
|
===============
|
|
*/
|
|
void idPhysics_Player::NoclipMove( void ) {
|
|
float speed, drop, friction, newspeed, stopspeed;
|
|
float scale, wishspeed;
|
|
idVec3 wishdir;
|
|
|
|
// friction
|
|
speed = current.velocity.Length();
|
|
if ( speed < 20.0f ) {
|
|
current.velocity = vec3_origin;
|
|
}
|
|
else {
|
|
stopspeed = playerSpeed * 0.3f;
|
|
if ( speed < stopspeed ) {
|
|
speed = stopspeed;
|
|
}
|
|
friction = PM_NOCLIPFRICTION;
|
|
drop = speed * friction * frametime;
|
|
|
|
// scale the velocity
|
|
newspeed = speed - drop;
|
|
if (newspeed < 0) {
|
|
newspeed = 0;
|
|
}
|
|
|
|
current.velocity *= newspeed / speed;
|
|
}
|
|
|
|
// accelerate
|
|
scale = idPhysics_Player::CmdScale( command );
|
|
|
|
wishdir = scale * (viewForward * command.forwardmove + viewRight * command.rightmove);
|
|
wishdir -= scale * gravityNormal * command.upmove;
|
|
wishspeed = wishdir.Normalize();
|
|
wishspeed *= scale;
|
|
|
|
idPhysics_Player::Accelerate( wishdir, wishspeed, PM_ACCELERATE );
|
|
|
|
// move
|
|
current.origin += frametime * current.velocity;
|
|
}
|
|
|
|
/*
|
|
===============
|
|
idPhysics_Player::SpectatorMove
|
|
===============
|
|
*/
|
|
void idPhysics_Player::SpectatorMove( void ) {
|
|
idVec3 wishvel;
|
|
float wishspeed;
|
|
idVec3 wishdir;
|
|
float scale;
|
|
|
|
idVec3 end;
|
|
|
|
// fly movement
|
|
|
|
idPhysics_Player::Friction();
|
|
|
|
scale = idPhysics_Player::CmdScale( command );
|
|
|
|
if ( !scale ) {
|
|
wishvel = vec3_origin;
|
|
} else {
|
|
wishvel = scale * (viewForward * command.forwardmove + viewRight * command.rightmove);
|
|
}
|
|
|
|
wishdir = wishvel;
|
|
wishspeed = wishdir.Normalize();
|
|
|
|
idPhysics_Player::Accelerate( wishdir, wishspeed, PM_FLYACCELERATE );
|
|
|
|
idPhysics_Player::SlideMove( false, false, false, false );
|
|
}
|
|
|
|
/*
|
|
============
|
|
idPhysics_Player::LadderMove
|
|
============
|
|
*/
|
|
void idPhysics_Player::LadderMove( void ) {
|
|
idVec3 wishdir, wishvel, right;
|
|
float wishspeed, scale;
|
|
float upscale;
|
|
|
|
// stick to the ladder
|
|
wishvel = -100.0f * ladderNormal;
|
|
current.velocity = (gravityNormal * current.velocity) * gravityNormal + wishvel;
|
|
|
|
upscale = (-gravityNormal * viewForward + 0.5f) * 2.5f;
|
|
if ( upscale > 1.0f ) {
|
|
upscale = 1.0f;
|
|
}
|
|
else if ( upscale < -1.0f ) {
|
|
upscale = -1.0f;
|
|
}
|
|
|
|
scale = idPhysics_Player::CmdScale( command );
|
|
wishvel = -0.9f * gravityNormal * upscale * scale * (float)command.forwardmove;
|
|
|
|
// strafe
|
|
if ( command.rightmove ) {
|
|
// right vector orthogonal to gravity
|
|
right = viewRight - (gravityNormal * viewRight) * gravityNormal;
|
|
// project right vector into ladder plane
|
|
right = right - (ladderNormal * right) * ladderNormal;
|
|
right.Normalize();
|
|
|
|
// if we are looking away from the ladder, reverse the right vector
|
|
if ( ladderNormal * viewForward > 0.0f ) {
|
|
right = -right;
|
|
}
|
|
wishvel += 2.0f * right * scale * (float) command.rightmove;
|
|
}
|
|
|
|
// up down movement
|
|
if ( command.upmove ) {
|
|
wishvel += -0.5f * gravityNormal * scale * (float) command.upmove;
|
|
}
|
|
|
|
// do strafe friction
|
|
idPhysics_Player::Friction();
|
|
|
|
// accelerate
|
|
wishspeed = wishvel.Normalize();
|
|
idPhysics_Player::Accelerate( wishvel, wishspeed, PM_ACCELERATE );
|
|
|
|
// cap the vertical velocity
|
|
upscale = current.velocity * -gravityNormal;
|
|
if ( upscale < -PM_LADDERSPEED ) {
|
|
current.velocity += gravityNormal * (upscale + PM_LADDERSPEED);
|
|
}
|
|
else if ( upscale > PM_LADDERSPEED ) {
|
|
current.velocity += gravityNormal * (upscale - PM_LADDERSPEED);
|
|
}
|
|
|
|
if ( (wishvel * gravityNormal) == 0.0f ) {
|
|
if ( current.velocity * gravityNormal < 0.0f ) {
|
|
current.velocity += gravityVector * frametime;
|
|
if ( current.velocity * gravityNormal > 0.0f ) {
|
|
current.velocity -= (gravityNormal * current.velocity) * gravityNormal;
|
|
}
|
|
}
|
|
else {
|
|
current.velocity -= gravityVector * frametime;
|
|
if ( current.velocity * gravityNormal < 0.0f ) {
|
|
current.velocity -= (gravityNormal * current.velocity) * gravityNormal;
|
|
}
|
|
}
|
|
}
|
|
|
|
idPhysics_Player::SlideMove( false, ( command.forwardmove > 0 ), false, false );
|
|
}
|
|
|
|
/*
|
|
=============
|
|
idPhysics_Player::CorrectAllSolid
|
|
=============
|
|
*/
|
|
void idPhysics_Player::CorrectAllSolid( trace_t &trace, int contents ) {
|
|
if ( debugLevel ) {
|
|
gameLocal.Printf( "%i:allsolid\n", c_pmove );
|
|
}
|
|
|
|
// FIXME: jitter around to find a free spot ?
|
|
|
|
if ( trace.fraction >= 1.0f ) {
|
|
memset( &trace, 0, sizeof( trace ) );
|
|
trace.endpos = current.origin;
|
|
trace.endAxis = clipModelAxis;
|
|
trace.fraction = 0.0f;
|
|
trace.c.dist = current.origin.z;
|
|
trace.c.normal.Set( 0, 0, 1 );
|
|
trace.c.point = current.origin;
|
|
trace.c.entityNum = ENTITYNUM_WORLD;
|
|
trace.c.id = 0;
|
|
trace.c.type = CONTACT_TRMVERTEX;
|
|
trace.c.material = NULL;
|
|
trace.c.contents = contents;
|
|
}
|
|
}
|
|
|
|
/*
|
|
=============
|
|
idPhysics_Player::CheckGround
|
|
=============
|
|
*/
|
|
void idPhysics_Player::CheckGround( void ) {
|
|
int i, contents;
|
|
idVec3 point;
|
|
bool hadGroundContacts;
|
|
|
|
hadGroundContacts = HasGroundContacts();
|
|
|
|
// set the clip model origin before getting the contacts
|
|
clipModel->SetPosition( current.origin, clipModel->GetAxis() );
|
|
|
|
EvaluateContacts();
|
|
|
|
// setup a ground trace from the contacts
|
|
groundTrace.endpos = current.origin;
|
|
groundTrace.endAxis = clipModel->GetAxis();
|
|
if ( contacts.Num() ) {
|
|
groundTrace.fraction = 0.0f;
|
|
groundTrace.c = contacts[0];
|
|
for ( i = 1; i < contacts.Num(); i++ ) {
|
|
groundTrace.c.normal += contacts[i].normal;
|
|
}
|
|
groundTrace.c.normal.Normalize();
|
|
} else {
|
|
groundTrace.fraction = 1.0f;
|
|
}
|
|
|
|
contents = gameLocal.clip.Contents( current.origin, clipModel, clipModel->GetAxis(), -1, self );
|
|
if ( contents & MASK_SOLID ) {
|
|
// do something corrective if stuck in solid
|
|
idPhysics_Player::CorrectAllSolid( groundTrace, contents );
|
|
}
|
|
|
|
// if the trace didn't hit anything, we are in free fall
|
|
if ( groundTrace.fraction == 1.0f ) {
|
|
groundPlane = false;
|
|
walking = false;
|
|
groundEntityPtr = NULL;
|
|
return;
|
|
}
|
|
|
|
groundMaterial = groundTrace.c.material;
|
|
groundEntityPtr = gameLocal.entities[ groundTrace.c.entityNum ];
|
|
|
|
// check if getting thrown off the ground
|
|
if ( (current.velocity * -gravityNormal) > 0.0f && ( current.velocity * groundTrace.c.normal ) > 10.0f ) {
|
|
if ( debugLevel ) {
|
|
gameLocal.Printf( "%i:kickoff\n", c_pmove );
|
|
}
|
|
|
|
groundPlane = false;
|
|
walking = false;
|
|
return;
|
|
}
|
|
|
|
// slopes that are too steep will not be considered onground
|
|
if ( ( groundTrace.c.normal * -gravityNormal ) < MIN_WALK_NORMAL ) {
|
|
if ( debugLevel ) {
|
|
gameLocal.Printf( "%i:steep\n", c_pmove );
|
|
}
|
|
|
|
// FIXME: if they can't slide down the slope, let them walk (sharp crevices)
|
|
|
|
// make sure we don't die from sliding down a steep slope
|
|
if ( current.velocity * gravityNormal > 150.0f ) {
|
|
current.velocity -= ( current.velocity * gravityNormal - 150.0f ) * gravityNormal;
|
|
}
|
|
|
|
groundPlane = true;
|
|
walking = false;
|
|
return;
|
|
}
|
|
|
|
groundPlane = true;
|
|
walking = true;
|
|
|
|
// hitting solid ground will end a waterjump
|
|
if ( current.movementFlags & PMF_TIME_WATERJUMP ) {
|
|
current.movementFlags &= ~( PMF_TIME_WATERJUMP | PMF_TIME_LAND );
|
|
current.movementTime = 0;
|
|
}
|
|
|
|
// if the player didn't have ground contacts the previous frame
|
|
if ( !hadGroundContacts ) {
|
|
|
|
// don't do landing time if we were just going down a slope
|
|
if ( (current.velocity * -gravityNormal) < -200.0f ) {
|
|
// don't allow another jump for a little while
|
|
current.movementFlags |= PMF_TIME_LAND;
|
|
current.movementTime = 250;
|
|
}
|
|
}
|
|
|
|
// let the entity know about the collision
|
|
self->Collide( groundTrace, current.velocity );
|
|
|
|
if ( groundEntityPtr.GetEntity() ) {
|
|
impactInfo_t info;
|
|
groundEntityPtr.GetEntity()->GetImpactInfo( self, groundTrace.c.id, groundTrace.c.point, &info );
|
|
if ( info.invMass != 0.0f ) {
|
|
groundEntityPtr.GetEntity()->ApplyImpulse( self, groundTrace.c.id, groundTrace.c.point, current.velocity / ( info.invMass * 10.0f ) );
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
==============
|
|
idPhysics_Player::CheckDuck
|
|
|
|
Sets clip model size
|
|
==============
|
|
*/
|
|
void idPhysics_Player::CheckDuck( void ) {
|
|
trace_t trace;
|
|
idVec3 end;
|
|
idBounds bounds;
|
|
float maxZ;
|
|
|
|
if ( current.movementType == PM_DEAD ) {
|
|
maxZ = pm_deadheight.GetFloat();
|
|
} else {
|
|
// stand up when up against a ladder
|
|
if ( command.upmove < 0 && !ladder ) {
|
|
// duck
|
|
current.movementFlags |= PMF_DUCKED;
|
|
} else {
|
|
// stand up if possible
|
|
if ( current.movementFlags & PMF_DUCKED ) {
|
|
// try to stand up
|
|
end = current.origin - ( pm_normalheight.GetFloat() - pm_crouchheight.GetFloat() ) * gravityNormal;
|
|
gameLocal.clip.Translation( trace, current.origin, end, clipModel, clipModel->GetAxis(), clipMask, self );
|
|
if ( trace.fraction >= 1.0f ) {
|
|
current.movementFlags &= ~PMF_DUCKED;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( current.movementFlags & PMF_DUCKED ) {
|
|
playerSpeed = crouchSpeed;
|
|
maxZ = pm_crouchheight.GetFloat();
|
|
} else {
|
|
maxZ = pm_normalheight.GetFloat();
|
|
}
|
|
}
|
|
// if the clipModel height should change
|
|
if ( clipModel->GetBounds()[1][2] != maxZ ) {
|
|
|
|
bounds = clipModel->GetBounds();
|
|
bounds[1][2] = maxZ;
|
|
if ( pm_usecylinder.GetBool() ) {
|
|
clipModel->LoadModel( idTraceModel( bounds, 8 ) );
|
|
} else {
|
|
clipModel->LoadModel( idTraceModel( bounds ) );
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::CheckLadder
|
|
================
|
|
*/
|
|
void idPhysics_Player::CheckLadder( void ) {
|
|
idVec3 forward, start, end;
|
|
trace_t trace;
|
|
float tracedist;
|
|
|
|
if ( current.movementTime ) {
|
|
return;
|
|
}
|
|
|
|
// if on the ground moving backwards
|
|
if ( walking && command.forwardmove <= 0 ) {
|
|
return;
|
|
}
|
|
|
|
// forward vector orthogonal to gravity
|
|
forward = viewForward - (gravityNormal * viewForward) * gravityNormal;
|
|
forward.Normalize();
|
|
|
|
if ( walking ) {
|
|
// don't want to get sucked towards the ladder when still walking
|
|
tracedist = 1.0f;
|
|
} else {
|
|
tracedist = 48.0f;
|
|
}
|
|
|
|
end = current.origin + tracedist * forward;
|
|
gameLocal.clip.Translation( trace, current.origin, end, clipModel, clipModel->GetAxis(), clipMask, self );
|
|
|
|
// if near a surface
|
|
if ( trace.fraction < 1.0f ) {
|
|
|
|
// if a ladder surface
|
|
if ( trace.c.material && ( trace.c.material->GetSurfaceFlags() & SURF_LADDER ) ) {
|
|
|
|
// check a step height higher
|
|
end = current.origin - gravityNormal * ( maxStepHeight * 0.75f );
|
|
gameLocal.clip.Translation( trace, current.origin, end, clipModel, clipModel->GetAxis(), clipMask, self );
|
|
start = trace.endpos;
|
|
end = start + tracedist * forward;
|
|
gameLocal.clip.Translation( trace, start, end, clipModel, clipModel->GetAxis(), clipMask, self );
|
|
|
|
// if also near a surface a step height higher
|
|
if ( trace.fraction < 1.0f ) {
|
|
|
|
// if it also is a ladder surface
|
|
if ( trace.c.material && trace.c.material->GetSurfaceFlags() & SURF_LADDER ) {
|
|
ladder = true;
|
|
ladderNormal = trace.c.normal;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
=============
|
|
idPhysics_Player::CheckJump
|
|
=============
|
|
*/
|
|
bool idPhysics_Player::CheckJump( void ) {
|
|
idVec3 addVelocity;
|
|
|
|
if ( command.upmove < 10 ) {
|
|
// not holding jump
|
|
return false;
|
|
}
|
|
|
|
// must wait for jump to be released
|
|
if ( current.movementFlags & PMF_JUMP_HELD ) {
|
|
return false;
|
|
}
|
|
|
|
// don't jump if we can't stand up
|
|
if ( current.movementFlags & PMF_DUCKED ) {
|
|
return false;
|
|
}
|
|
|
|
groundPlane = false; // jumping away
|
|
walking = false;
|
|
current.movementFlags |= PMF_JUMP_HELD | PMF_JUMPED;
|
|
|
|
addVelocity = 2.0f * maxJumpHeight * -gravityVector;
|
|
addVelocity *= idMath::Sqrt( addVelocity.Normalize() );
|
|
current.velocity += addVelocity;
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
=============
|
|
idPhysics_Player::CheckWaterJump
|
|
=============
|
|
*/
|
|
bool idPhysics_Player::CheckWaterJump( void ) {
|
|
idVec3 spot;
|
|
int cont;
|
|
idVec3 flatforward;
|
|
|
|
if ( current.movementTime ) {
|
|
return false;
|
|
}
|
|
|
|
// check for water jump
|
|
if ( waterLevel != WATERLEVEL_WAIST ) {
|
|
return false;
|
|
}
|
|
|
|
flatforward = viewForward - (viewForward * gravityNormal) * gravityNormal;
|
|
flatforward.Normalize();
|
|
|
|
spot = current.origin + 30.0f * flatforward;
|
|
spot -= 4.0f * gravityNormal;
|
|
cont = gameLocal.clip.Contents( spot, NULL, mat3_identity, -1, self );
|
|
if ( !(cont & CONTENTS_SOLID) ) {
|
|
return false;
|
|
}
|
|
|
|
spot -= 16.0f * gravityNormal;
|
|
cont = gameLocal.clip.Contents( spot, NULL, mat3_identity, -1, self );
|
|
if ( cont ) {
|
|
return false;
|
|
}
|
|
|
|
// jump out of water
|
|
current.velocity = 200.0f * viewForward - 350.0f * gravityNormal;
|
|
current.movementFlags |= PMF_TIME_WATERJUMP;
|
|
current.movementTime = 2000;
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
=============
|
|
idPhysics_Player::SetWaterLevel
|
|
=============
|
|
*/
|
|
void idPhysics_Player::SetWaterLevel( void ) {
|
|
idVec3 point;
|
|
idBounds bounds;
|
|
int contents;
|
|
|
|
//
|
|
// get waterlevel, accounting for ducking
|
|
//
|
|
waterLevel = WATERLEVEL_NONE;
|
|
waterType = 0;
|
|
|
|
bounds = clipModel->GetBounds();
|
|
|
|
// check at feet level
|
|
point = current.origin - ( bounds[0][2] + 1.0f ) * gravityNormal;
|
|
contents = gameLocal.clip.Contents( point, NULL, mat3_identity, -1, self );
|
|
if ( contents & MASK_WATER ) {
|
|
|
|
waterType = contents;
|
|
waterLevel = WATERLEVEL_FEET;
|
|
|
|
// check at waist level
|
|
point = current.origin - ( bounds[1][2] - bounds[0][2] ) * 0.5f * gravityNormal;
|
|
contents = gameLocal.clip.Contents( point, NULL, mat3_identity, -1, self );
|
|
if ( contents & MASK_WATER ) {
|
|
|
|
waterLevel = WATERLEVEL_WAIST;
|
|
|
|
// check at head level
|
|
point = current.origin - ( bounds[1][2] - 1.0f ) * gravityNormal;
|
|
contents = gameLocal.clip.Contents( point, NULL, mat3_identity, -1, self );
|
|
if ( contents & MASK_WATER ) {
|
|
waterLevel = WATERLEVEL_HEAD;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::DropTimers
|
|
================
|
|
*/
|
|
void idPhysics_Player::DropTimers( void ) {
|
|
// drop misc timing counter
|
|
if ( current.movementTime ) {
|
|
if ( framemsec >= current.movementTime ) {
|
|
current.movementFlags &= ~PMF_ALL_TIMES;
|
|
current.movementTime = 0;
|
|
}
|
|
else {
|
|
current.movementTime -= framemsec;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::MovePlayer
|
|
================
|
|
*/
|
|
void idPhysics_Player::MovePlayer( int msec ) {
|
|
|
|
// this counter lets us debug movement problems with a journal
|
|
// by setting a conditional breakpoint for the previous frame
|
|
c_pmove++;
|
|
|
|
walking = false;
|
|
groundPlane = false;
|
|
ladder = false;
|
|
|
|
// determine the time
|
|
framemsec = msec;
|
|
frametime = framemsec * 0.001f;
|
|
|
|
// default speed
|
|
playerSpeed = walkSpeed;
|
|
|
|
// remove jumped and stepped up flag
|
|
current.movementFlags &= ~(PMF_JUMPED|PMF_STEPPED_UP|PMF_STEPPED_DOWN);
|
|
current.stepUp = 0.0f;
|
|
|
|
if ( command.upmove < 10 ) {
|
|
// not holding jump
|
|
current.movementFlags &= ~PMF_JUMP_HELD;
|
|
}
|
|
|
|
// if no movement at all
|
|
if ( current.movementType == PM_FREEZE ) {
|
|
return;
|
|
}
|
|
|
|
// move the player velocity into the frame of a pusher
|
|
current.velocity -= current.pushVelocity;
|
|
|
|
// view vectors
|
|
viewAngles.ToVectors( &viewForward, NULL, NULL );
|
|
viewForward *= clipModelAxis;
|
|
viewRight = gravityNormal.Cross( viewForward );
|
|
viewRight.Normalize();
|
|
|
|
// fly in spectator mode
|
|
if ( current.movementType == PM_SPECTATOR ) {
|
|
SpectatorMove();
|
|
idPhysics_Player::DropTimers();
|
|
return;
|
|
}
|
|
|
|
// special no clip mode
|
|
if ( current.movementType == PM_NOCLIP ) {
|
|
idPhysics_Player::NoclipMove();
|
|
idPhysics_Player::DropTimers();
|
|
return;
|
|
}
|
|
|
|
// no control when dead
|
|
if ( current.movementType == PM_DEAD ) {
|
|
command.forwardmove = 0;
|
|
command.rightmove = 0;
|
|
command.upmove = 0;
|
|
}
|
|
|
|
// set watertype and waterlevel
|
|
idPhysics_Player::SetWaterLevel();
|
|
|
|
// check for ground
|
|
idPhysics_Player::CheckGround();
|
|
|
|
// check if up against a ladder
|
|
idPhysics_Player::CheckLadder();
|
|
|
|
// set clip model size
|
|
idPhysics_Player::CheckDuck();
|
|
|
|
// handle timers
|
|
idPhysics_Player::DropTimers();
|
|
|
|
// move
|
|
if ( current.movementType == PM_DEAD ) {
|
|
// dead
|
|
idPhysics_Player::DeadMove();
|
|
}
|
|
else if ( ladder ) {
|
|
// going up or down a ladder
|
|
idPhysics_Player::LadderMove();
|
|
}
|
|
else if ( current.movementFlags & PMF_TIME_WATERJUMP ) {
|
|
// jumping out of water
|
|
idPhysics_Player::WaterJumpMove();
|
|
}
|
|
else if ( waterLevel > 1 ) {
|
|
// swimming
|
|
idPhysics_Player::WaterMove();
|
|
}
|
|
else if ( walking ) {
|
|
// walking on ground
|
|
idPhysics_Player::WalkMove();
|
|
}
|
|
else {
|
|
// airborne
|
|
idPhysics_Player::AirMove();
|
|
}
|
|
|
|
// set watertype, waterlevel and groundentity
|
|
idPhysics_Player::SetWaterLevel();
|
|
idPhysics_Player::CheckGround();
|
|
|
|
// move the player velocity back into the world frame
|
|
current.velocity += current.pushVelocity;
|
|
current.pushVelocity.Zero();
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::GetWaterLevel
|
|
================
|
|
*/
|
|
waterLevel_t idPhysics_Player::GetWaterLevel( void ) const {
|
|
return waterLevel;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::GetWaterType
|
|
================
|
|
*/
|
|
int idPhysics_Player::GetWaterType( void ) const {
|
|
return waterType;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::HasJumped
|
|
================
|
|
*/
|
|
bool idPhysics_Player::HasJumped( void ) const {
|
|
return ( ( current.movementFlags & PMF_JUMPED ) != 0 );
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::HasSteppedUp
|
|
================
|
|
*/
|
|
bool idPhysics_Player::HasSteppedUp( void ) const {
|
|
return ( ( current.movementFlags & ( PMF_STEPPED_UP | PMF_STEPPED_DOWN ) ) != 0 );
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::GetStepUp
|
|
================
|
|
*/
|
|
float idPhysics_Player::GetStepUp( void ) const {
|
|
return current.stepUp;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::IsCrouching
|
|
================
|
|
*/
|
|
bool idPhysics_Player::IsCrouching( void ) const {
|
|
return ( ( current.movementFlags & PMF_DUCKED ) != 0 );
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::OnLadder
|
|
================
|
|
*/
|
|
bool idPhysics_Player::OnLadder( void ) const {
|
|
return ladder;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::idPhysics_Player
|
|
================
|
|
*/
|
|
idPhysics_Player::idPhysics_Player( void ) {
|
|
debugLevel = false;
|
|
clipModel = NULL;
|
|
clipMask = 0;
|
|
memset( ¤t, 0, sizeof( current ) );
|
|
saved = current;
|
|
walkSpeed = 0;
|
|
crouchSpeed = 0;
|
|
maxStepHeight = 0;
|
|
maxJumpHeight = 0;
|
|
memset( &command, 0, sizeof( command ) );
|
|
viewAngles.Zero();
|
|
framemsec = 0;
|
|
frametime = 0;
|
|
playerSpeed = 0;
|
|
viewForward.Zero();
|
|
viewRight.Zero();
|
|
walking = false;
|
|
groundPlane = false;
|
|
memset( &groundTrace, 0, sizeof( groundTrace ) );
|
|
groundMaterial = NULL;
|
|
ladder = false;
|
|
ladderNormal.Zero();
|
|
waterLevel = WATERLEVEL_NONE;
|
|
waterType = 0;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player_SavePState
|
|
================
|
|
*/
|
|
void idPhysics_Player_SavePState( idSaveGame *savefile, const playerPState_t &state ) {
|
|
savefile->WriteVec3( state.origin );
|
|
savefile->WriteVec3( state.velocity );
|
|
savefile->WriteVec3( state.localOrigin );
|
|
savefile->WriteVec3( state.pushVelocity );
|
|
savefile->WriteFloat( state.stepUp );
|
|
savefile->WriteInt( state.movementType );
|
|
savefile->WriteInt( state.movementFlags );
|
|
savefile->WriteInt( state.movementTime );
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player_RestorePState
|
|
================
|
|
*/
|
|
void idPhysics_Player_RestorePState( idRestoreGame *savefile, playerPState_t &state ) {
|
|
savefile->ReadVec3( state.origin );
|
|
savefile->ReadVec3( state.velocity );
|
|
savefile->ReadVec3( state.localOrigin );
|
|
savefile->ReadVec3( state.pushVelocity );
|
|
savefile->ReadFloat( state.stepUp );
|
|
savefile->ReadInt( state.movementType );
|
|
savefile->ReadInt( state.movementFlags );
|
|
savefile->ReadInt( state.movementTime );
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::Save
|
|
================
|
|
*/
|
|
void idPhysics_Player::Save( idSaveGame *savefile ) const {
|
|
|
|
idPhysics_Player_SavePState( savefile, current );
|
|
idPhysics_Player_SavePState( savefile, saved );
|
|
|
|
savefile->WriteFloat( walkSpeed );
|
|
savefile->WriteFloat( crouchSpeed );
|
|
savefile->WriteFloat( maxStepHeight );
|
|
savefile->WriteFloat( maxJumpHeight );
|
|
savefile->WriteInt( debugLevel );
|
|
|
|
savefile->WriteUsercmd( command );
|
|
savefile->WriteAngles( viewAngles );
|
|
|
|
savefile->WriteInt( framemsec );
|
|
savefile->WriteFloat( frametime );
|
|
savefile->WriteFloat( playerSpeed );
|
|
savefile->WriteVec3( viewForward );
|
|
savefile->WriteVec3( viewRight );
|
|
|
|
savefile->WriteBool( walking );
|
|
savefile->WriteBool( groundPlane );
|
|
savefile->WriteTrace( groundTrace );
|
|
savefile->WriteMaterial( groundMaterial );
|
|
|
|
savefile->WriteBool( ladder );
|
|
savefile->WriteVec3( ladderNormal );
|
|
|
|
savefile->WriteInt( (int)waterLevel );
|
|
savefile->WriteInt( waterType );
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::Restore
|
|
================
|
|
*/
|
|
void idPhysics_Player::Restore( idRestoreGame *savefile ) {
|
|
|
|
idPhysics_Player_RestorePState( savefile, current );
|
|
idPhysics_Player_RestorePState( savefile, saved );
|
|
|
|
savefile->ReadFloat( walkSpeed );
|
|
savefile->ReadFloat( crouchSpeed );
|
|
savefile->ReadFloat( maxStepHeight );
|
|
savefile->ReadFloat( maxJumpHeight );
|
|
savefile->ReadInt( debugLevel );
|
|
|
|
savefile->ReadUsercmd( command );
|
|
savefile->ReadAngles( viewAngles );
|
|
|
|
savefile->ReadInt( framemsec );
|
|
savefile->ReadFloat( frametime );
|
|
savefile->ReadFloat( playerSpeed );
|
|
savefile->ReadVec3( viewForward );
|
|
savefile->ReadVec3( viewRight );
|
|
|
|
savefile->ReadBool( walking );
|
|
savefile->ReadBool( groundPlane );
|
|
savefile->ReadTrace( groundTrace );
|
|
savefile->ReadMaterial( groundMaterial );
|
|
|
|
savefile->ReadBool( ladder );
|
|
savefile->ReadVec3( ladderNormal );
|
|
|
|
savefile->ReadInt( (int &)waterLevel );
|
|
savefile->ReadInt( waterType );
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::SetPlayerInput
|
|
================
|
|
*/
|
|
void idPhysics_Player::SetPlayerInput( const usercmd_t &cmd, const idAngles &newViewAngles ) {
|
|
command = cmd;
|
|
viewAngles = newViewAngles; // can't use cmd.angles cause of the delta_angles
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::SetSpeed
|
|
================
|
|
*/
|
|
void idPhysics_Player::SetSpeed( const float newWalkSpeed, const float newCrouchSpeed ) {
|
|
walkSpeed = newWalkSpeed;
|
|
crouchSpeed = newCrouchSpeed;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::SetMaxStepHeight
|
|
================
|
|
*/
|
|
void idPhysics_Player::SetMaxStepHeight( const float newMaxStepHeight ) {
|
|
maxStepHeight = newMaxStepHeight;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::GetMaxStepHeight
|
|
================
|
|
*/
|
|
float idPhysics_Player::GetMaxStepHeight( void ) const {
|
|
return maxStepHeight;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::SetMaxJumpHeight
|
|
================
|
|
*/
|
|
void idPhysics_Player::SetMaxJumpHeight( const float newMaxJumpHeight ) {
|
|
maxJumpHeight = newMaxJumpHeight;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::SetMovementType
|
|
================
|
|
*/
|
|
void idPhysics_Player::SetMovementType( const pmtype_t type ) {
|
|
current.movementType = type;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::SetKnockBack
|
|
================
|
|
*/
|
|
void idPhysics_Player::SetKnockBack( const int knockBackTime ) {
|
|
if ( current.movementTime ) {
|
|
return;
|
|
}
|
|
current.movementFlags |= PMF_TIME_KNOCKBACK;
|
|
current.movementTime = knockBackTime;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::SetDebugLevel
|
|
================
|
|
*/
|
|
void idPhysics_Player::SetDebugLevel( bool set ) {
|
|
debugLevel = set;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::Evaluate
|
|
================
|
|
*/
|
|
bool idPhysics_Player::Evaluate( int timeStepMSec, int endTimeMSec ) {
|
|
idVec3 masterOrigin, oldOrigin;
|
|
idMat3 masterAxis;
|
|
|
|
waterLevel = WATERLEVEL_NONE;
|
|
waterType = 0;
|
|
oldOrigin = current.origin;
|
|
|
|
clipModel->Unlink();
|
|
|
|
// if bound to a master
|
|
if ( masterEntity ) {
|
|
self->GetMasterPosition( masterOrigin, masterAxis );
|
|
current.origin = masterOrigin + current.localOrigin * masterAxis;
|
|
clipModel->Link( gameLocal.clip, self, 0, current.origin, clipModel->GetAxis() );
|
|
current.velocity = ( current.origin - oldOrigin ) / ( timeStepMSec * 0.001f );
|
|
masterDeltaYaw = masterYaw;
|
|
masterYaw = masterAxis[0].ToYaw();
|
|
masterDeltaYaw = masterYaw - masterDeltaYaw;
|
|
return true;
|
|
}
|
|
|
|
ActivateContactEntities();
|
|
|
|
idPhysics_Player::MovePlayer( timeStepMSec );
|
|
|
|
clipModel->Link( gameLocal.clip, self, 0, current.origin, clipModel->GetAxis() );
|
|
|
|
if ( IsOutsideWorld() ) {
|
|
gameLocal.Warning( "clip model outside world bounds for entity '%s' at (%s)", self->name.c_str(), current.origin.ToString(0) );
|
|
}
|
|
|
|
return true; //( current.origin != oldOrigin );
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::UpdateTime
|
|
================
|
|
*/
|
|
void idPhysics_Player::UpdateTime( int endTimeMSec ) {
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::GetTime
|
|
================
|
|
*/
|
|
int idPhysics_Player::GetTime( void ) const {
|
|
return gameLocal.time;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::GetImpactInfo
|
|
================
|
|
*/
|
|
void idPhysics_Player::GetImpactInfo( const int id, const idVec3 &point, impactInfo_t *info ) const {
|
|
info->invMass = invMass;
|
|
info->invInertiaTensor.Zero();
|
|
info->position.Zero();
|
|
info->velocity = current.velocity;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::ApplyImpulse
|
|
================
|
|
*/
|
|
void idPhysics_Player::ApplyImpulse( const int id, const idVec3 &point, const idVec3 &impulse ) {
|
|
if ( current.movementType != PM_NOCLIP ) {
|
|
current.velocity += impulse * invMass;
|
|
}
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::IsAtRest
|
|
================
|
|
*/
|
|
bool idPhysics_Player::IsAtRest( void ) const {
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::GetRestStartTime
|
|
================
|
|
*/
|
|
int idPhysics_Player::GetRestStartTime( void ) const {
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::SaveState
|
|
================
|
|
*/
|
|
void idPhysics_Player::SaveState( void ) {
|
|
saved = current;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::RestoreState
|
|
================
|
|
*/
|
|
void idPhysics_Player::RestoreState( void ) {
|
|
current = saved;
|
|
|
|
clipModel->Link( gameLocal.clip, self, 0, current.origin, clipModel->GetAxis() );
|
|
|
|
EvaluateContacts();
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::SetOrigin
|
|
================
|
|
*/
|
|
void idPhysics_Player::SetOrigin( const idVec3 &newOrigin, int id ) {
|
|
idVec3 masterOrigin;
|
|
idMat3 masterAxis;
|
|
|
|
current.localOrigin = newOrigin;
|
|
if ( masterEntity ) {
|
|
self->GetMasterPosition( masterOrigin, masterAxis );
|
|
current.origin = masterOrigin + newOrigin * masterAxis;
|
|
}
|
|
else {
|
|
current.origin = newOrigin;
|
|
}
|
|
|
|
clipModel->Link( gameLocal.clip, self, 0, newOrigin, clipModel->GetAxis() );
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::GetOrigin
|
|
================
|
|
*/
|
|
const idVec3 & idPhysics_Player::PlayerGetOrigin( void ) const {
|
|
return current.origin;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::SetAxis
|
|
================
|
|
*/
|
|
void idPhysics_Player::SetAxis( const idMat3 &newAxis, int id ) {
|
|
clipModel->Link( gameLocal.clip, self, 0, clipModel->GetOrigin(), newAxis );
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::Translate
|
|
================
|
|
*/
|
|
void idPhysics_Player::Translate( const idVec3 &translation, int id ) {
|
|
|
|
current.localOrigin += translation;
|
|
current.origin += translation;
|
|
|
|
clipModel->Link( gameLocal.clip, self, 0, current.origin, clipModel->GetAxis() );
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::Rotate
|
|
================
|
|
*/
|
|
void idPhysics_Player::Rotate( const idRotation &rotation, int id ) {
|
|
idVec3 masterOrigin;
|
|
idMat3 masterAxis;
|
|
|
|
current.origin *= rotation;
|
|
if ( masterEntity ) {
|
|
self->GetMasterPosition( masterOrigin, masterAxis );
|
|
current.localOrigin = ( current.origin - masterOrigin ) * masterAxis.Transpose();
|
|
}
|
|
else {
|
|
current.localOrigin = current.origin;
|
|
}
|
|
|
|
clipModel->Link( gameLocal.clip, self, 0, current.origin, clipModel->GetAxis() * rotation.ToMat3() );
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::SetLinearVelocity
|
|
================
|
|
*/
|
|
void idPhysics_Player::SetLinearVelocity( const idVec3 &newLinearVelocity, int id ) {
|
|
current.velocity = newLinearVelocity;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::GetLinearVelocity
|
|
================
|
|
*/
|
|
const idVec3 &idPhysics_Player::GetLinearVelocity( int id ) const {
|
|
return current.velocity;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::SetPushed
|
|
================
|
|
*/
|
|
void idPhysics_Player::SetPushed( int deltaTime ) {
|
|
idVec3 velocity;
|
|
float d;
|
|
|
|
// velocity with which the player is pushed
|
|
velocity = ( current.origin - saved.origin ) / ( deltaTime * idMath::M_MS2SEC );
|
|
|
|
// remove any downward push velocity
|
|
d = velocity * gravityNormal;
|
|
if ( d > 0.0f ) {
|
|
velocity -= d * gravityNormal;
|
|
}
|
|
|
|
current.pushVelocity += velocity;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::GetPushedLinearVelocity
|
|
================
|
|
*/
|
|
const idVec3 &idPhysics_Player::GetPushedLinearVelocity( const int id ) const {
|
|
return current.pushVelocity;
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::ClearPushedVelocity
|
|
================
|
|
*/
|
|
void idPhysics_Player::ClearPushedVelocity( void ) {
|
|
current.pushVelocity.Zero();
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::SetMaster
|
|
|
|
the binding is never orientated
|
|
================
|
|
*/
|
|
void idPhysics_Player::SetMaster( idEntity *master, const bool orientated ) {
|
|
idVec3 masterOrigin;
|
|
idMat3 masterAxis;
|
|
|
|
if ( master ) {
|
|
if ( !masterEntity ) {
|
|
// transform from world space to master space
|
|
self->GetMasterPosition( masterOrigin, masterAxis );
|
|
current.localOrigin = ( current.origin - masterOrigin ) * masterAxis.Transpose();
|
|
masterEntity = master;
|
|
masterYaw = masterAxis[0].ToYaw();
|
|
}
|
|
ClearContacts();
|
|
}
|
|
else {
|
|
if ( masterEntity ) {
|
|
masterEntity = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
const float PLAYER_VELOCITY_MAX = 4000;
|
|
const int PLAYER_VELOCITY_TOTAL_BITS = 16;
|
|
const int PLAYER_VELOCITY_EXPONENT_BITS = idMath::BitsForInteger( idMath::BitsForFloat( PLAYER_VELOCITY_MAX ) ) + 1;
|
|
const int PLAYER_VELOCITY_MANTISSA_BITS = PLAYER_VELOCITY_TOTAL_BITS - 1 - PLAYER_VELOCITY_EXPONENT_BITS;
|
|
const int PLAYER_MOVEMENT_TYPE_BITS = 3;
|
|
const int PLAYER_MOVEMENT_FLAGS_BITS = 8;
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::WriteToSnapshot
|
|
================
|
|
*/
|
|
void idPhysics_Player::WriteToSnapshot( idBitMsgDelta &msg ) const {
|
|
msg.WriteFloat( current.origin[0] );
|
|
msg.WriteFloat( current.origin[1] );
|
|
msg.WriteFloat( current.origin[2] );
|
|
msg.WriteFloat( current.velocity[0], PLAYER_VELOCITY_EXPONENT_BITS, PLAYER_VELOCITY_MANTISSA_BITS );
|
|
msg.WriteFloat( current.velocity[1], PLAYER_VELOCITY_EXPONENT_BITS, PLAYER_VELOCITY_MANTISSA_BITS );
|
|
msg.WriteFloat( current.velocity[2], PLAYER_VELOCITY_EXPONENT_BITS, PLAYER_VELOCITY_MANTISSA_BITS );
|
|
msg.WriteDeltaFloat( current.origin[0], current.localOrigin[0] );
|
|
msg.WriteDeltaFloat( current.origin[1], current.localOrigin[1] );
|
|
msg.WriteDeltaFloat( current.origin[2], current.localOrigin[2] );
|
|
msg.WriteDeltaFloat( 0.0f, current.pushVelocity[0], PLAYER_VELOCITY_EXPONENT_BITS, PLAYER_VELOCITY_MANTISSA_BITS );
|
|
msg.WriteDeltaFloat( 0.0f, current.pushVelocity[1], PLAYER_VELOCITY_EXPONENT_BITS, PLAYER_VELOCITY_MANTISSA_BITS );
|
|
msg.WriteDeltaFloat( 0.0f, current.pushVelocity[2], PLAYER_VELOCITY_EXPONENT_BITS, PLAYER_VELOCITY_MANTISSA_BITS );
|
|
msg.WriteDeltaFloat( 0.0f, current.stepUp );
|
|
msg.WriteBits( current.movementType, PLAYER_MOVEMENT_TYPE_BITS );
|
|
msg.WriteBits( current.movementFlags, PLAYER_MOVEMENT_FLAGS_BITS );
|
|
msg.WriteDeltaLong( 0, current.movementTime );
|
|
}
|
|
|
|
/*
|
|
================
|
|
idPhysics_Player::ReadFromSnapshot
|
|
================
|
|
*/
|
|
void idPhysics_Player::ReadFromSnapshot( const idBitMsgDelta &msg ) {
|
|
current.origin[0] = msg.ReadFloat();
|
|
current.origin[1] = msg.ReadFloat();
|
|
current.origin[2] = msg.ReadFloat();
|
|
current.velocity[0] = msg.ReadFloat( PLAYER_VELOCITY_EXPONENT_BITS, PLAYER_VELOCITY_MANTISSA_BITS );
|
|
current.velocity[1] = msg.ReadFloat( PLAYER_VELOCITY_EXPONENT_BITS, PLAYER_VELOCITY_MANTISSA_BITS );
|
|
current.velocity[2] = msg.ReadFloat( PLAYER_VELOCITY_EXPONENT_BITS, PLAYER_VELOCITY_MANTISSA_BITS );
|
|
current.localOrigin[0] = msg.ReadDeltaFloat( current.origin[0] );
|
|
current.localOrigin[1] = msg.ReadDeltaFloat( current.origin[1] );
|
|
current.localOrigin[2] = msg.ReadDeltaFloat( current.origin[2] );
|
|
current.pushVelocity[0] = msg.ReadDeltaFloat( 0.0f, PLAYER_VELOCITY_EXPONENT_BITS, PLAYER_VELOCITY_MANTISSA_BITS );
|
|
current.pushVelocity[1] = msg.ReadDeltaFloat( 0.0f, PLAYER_VELOCITY_EXPONENT_BITS, PLAYER_VELOCITY_MANTISSA_BITS );
|
|
current.pushVelocity[2] = msg.ReadDeltaFloat( 0.0f, PLAYER_VELOCITY_EXPONENT_BITS, PLAYER_VELOCITY_MANTISSA_BITS );
|
|
current.stepUp = msg.ReadDeltaFloat( 0.0f );
|
|
current.movementType = msg.ReadBits( PLAYER_MOVEMENT_TYPE_BITS );
|
|
current.movementFlags = msg.ReadBits( PLAYER_MOVEMENT_FLAGS_BITS );
|
|
current.movementTime = msg.ReadDeltaLong( 0 );
|
|
|
|
if ( clipModel ) {
|
|
clipModel->Link( gameLocal.clip, self, 0, current.origin, clipModel->GetAxis() );
|
|
}
|
|
}
|