Initial import.

1 files changed, 324 insertions, 0 deletions

diff --git a/src/cgame/cg_playerstate.c b/src/cgame/cg_playerstate.c
new file mode 100644
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+++ b/src/cgame/cg_playerstate.c
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+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+Copyright (C) 2000-2009 Darklegion Development
+
+This file is part of Tremulous.
+
+Tremulous is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Tremulous is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Tremulous; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+
+// cg_playerstate.c -- this file acts on changes in a new playerState_t
+// With normal play, this will be done after local prediction, but when
+// following another player or playing back a demo, it will be checked
+// when the snapshot transitions like all the other entities
+
+
+#include "cg_local.h"
+
+/*
+==============
+CG_DamageFeedback
+==============
+*/
+void CG_DamageFeedback( int yawByte, int pitchByte, int damage )
+{
+  float   left, front, up;
+  float   kick;
+  int     health;
+  float   scale;
+  vec3_t  dir;
+  vec3_t  angles;
+  float   dist;
+  float   yaw, pitch;
+
+  // show the attacking player's head and name in corner
+  cg.attackerTime = cg.time;
+
+  // the lower on health you are, the greater the view kick will be
+  health = cg.snap->ps.stats[STAT_HEALTH];
+
+  if( health < 40 )
+    scale = 1;
+  else
+    scale = 40.0 / health;
+
+  kick = damage * scale;
+
+  if( kick < 5 )
+    kick = 5;
+
+  if( kick > 10 )
+    kick = 10;
+
+  // if yaw and pitch are both 255, make the damage always centered (falling, etc)
+  if( yawByte == 255 && pitchByte == 255 )
+  {
+    cg.damageX = 0;
+    cg.damageY = 0;
+    cg.v_dmg_roll = 0;
+    cg.v_dmg_pitch = -kick;
+  }
+  else
+  {
+    // positional
+    pitch = pitchByte / 255.0 * 360;
+    yaw = yawByte / 255.0 * 360;
+
+    angles[ PITCH ] = pitch;
+    angles[ YAW ] = yaw;
+    angles[ ROLL ] = 0;
+
+    AngleVectors( angles, dir, NULL, NULL );
+    VectorSubtract( vec3_origin, dir, dir );
+
+    front = DotProduct( dir, cg.refdef.viewaxis[ 0 ] );
+    left = DotProduct( dir, cg.refdef.viewaxis[ 1 ] );
+    up = DotProduct( dir, cg.refdef.viewaxis[ 2 ] );
+
+    dir[ 0 ] = front;
+    dir[ 1 ] = left;
+    dir[ 2 ] = 0;
+    dist = VectorLength( dir );
+
+    if( dist < 0.1f )
+      dist = 0.1f;
+
+    cg.v_dmg_roll = kick * left;
+
+    cg.v_dmg_pitch = -kick * front;
+
+    if( front <= 0.1 )
+      front = 0.1f;
+
+    cg.damageX = -left / front;
+    cg.damageY = up / dist;
+  }
+
+  // clamp the position
+  if( cg.damageX > 1.0 )
+    cg.damageX = 1.0;
+
+  if( cg.damageX < - 1.0 )
+    cg.damageX = -1.0;
+
+  if( cg.damageY > 1.0 )
+    cg.damageY = 1.0;
+
+  if( cg.damageY < - 1.0 )
+    cg.damageY = -1.0;
+
+  // don't let the screen flashes vary as much
+  if( kick > 10 )
+    kick = 10;
+
+  cg.damageValue = kick;
+  cg.v_dmg_time = cg.time + DAMAGE_TIME;
+  cg.damageTime = cg.snap->serverTime;
+}
+
+
+
+
+/*
+================
+CG_Respawn
+
+A respawn happened this snapshot
+================
+*/
+void CG_Respawn( void )
+{
+  // no error decay on player movement
+  cg.thisFrameTeleport = qtrue;
+
+  // display weapons available
+  cg.weaponSelectTime = cg.time;
+
+  // select the weapon the server says we are using
+  cg.weaponSelect = cg.snap->ps.weapon;
+
+  CG_ResetPainBlend( );
+}
+
+/*
+==============
+CG_CheckPlayerstateEvents
+
+==============
+*/
+void CG_CheckPlayerstateEvents( playerState_t *ps, playerState_t *ops )
+{
+  int       i;
+  int       event;
+  centity_t *cent;
+
+  if( ps->externalEvent && ps->externalEvent != ops->externalEvent )
+  {
+    cent = &cg_entities[ ps->clientNum ];
+    cent->currentState.event = ps->externalEvent;
+    cent->currentState.eventParm = ps->externalEventParm;
+    CG_EntityEvent( cent, cent->lerpOrigin );
+  }
+
+  cent = &cg.predictedPlayerEntity; // cg_entities[ ps->clientNum ];
+
+  // go through the predictable events buffer
+  for( i = ps->eventSequence - MAX_PS_EVENTS; i < ps->eventSequence; i++ )
+  {
+    // if we have a new predictable event
+    if( i >= ops->eventSequence ||
+      // or the server told us to play another event instead of a predicted event we already issued
+      // or something the server told us changed our prediction causing a different event
+      ( i > ops->eventSequence - MAX_PS_EVENTS && ps->events[ i & ( MAX_PS_EVENTS - 1 ) ] !=
+        ops->events[ i & ( MAX_PS_EVENTS - 1 ) ] ) )
+    {
+      event = ps->events[ i & ( MAX_PS_EVENTS - 1 ) ];
+
+      cent->currentState.event = event;
+      cent->currentState.eventParm = ps->eventParms[ i & ( MAX_PS_EVENTS - 1 ) ];
+      CG_EntityEvent( cent, cent->lerpOrigin );
+      cg.predictableEvents[ i & ( MAX_PREDICTED_EVENTS - 1 ) ] = event;
+
+      cg.eventSequence++;
+    }
+  }
+}
+
+
+/*
+==================
+CG_CheckChangedPredictableEvents
+==================
+*/
+void CG_CheckChangedPredictableEvents( playerState_t *ps )
+{
+  int       i;
+  int       event;
+  centity_t *cent;
+
+  cent = &cg.predictedPlayerEntity;
+
+  for( i = ps->eventSequence - MAX_PS_EVENTS; i < ps->eventSequence; i++ )
+  {
+    //
+    if( i >= cg.eventSequence )
+      continue;
+
+    // if this event is not further back in than the maximum predictable events we remember
+    if( i > cg.eventSequence - MAX_PREDICTED_EVENTS )
+    {
+      // if the new playerstate event is different from a previously predicted one
+      if( ps->events[ i & ( MAX_PS_EVENTS - 1 ) ] != cg.predictableEvents[ i & ( MAX_PREDICTED_EVENTS - 1 ) ] )
+      {
+        event = ps->events[ i & ( MAX_PS_EVENTS - 1 ) ];
+        cent->currentState.event = event;
+        cent->currentState.eventParm = ps->eventParms[ i & ( MAX_PS_EVENTS - 1 ) ];
+        CG_EntityEvent( cent, cent->lerpOrigin );
+
+        cg.predictableEvents[ i & ( MAX_PREDICTED_EVENTS - 1 ) ] = event;
+
+        if( cg_showmiss.integer )
+          CG_Printf( "WARNING: changed predicted event\n" );
+      }
+    }
+  }
+}
+
+/*
+==================
+CG_CheckLocalSounds
+==================
+*/
+void CG_CheckLocalSounds( playerState_t *ps, playerState_t *ops )
+{
+  int reward;
+
+  // don't play the sounds if the player just spawned
+  if( ps->persistant[ PERS_SPECSTATE ] != ops->persistant[ PERS_SPECSTATE ] )
+    return;
+
+  // health changes of more than -1 should make pain sounds
+  if( ps->stats[ STAT_HEALTH ] < ops->stats[ STAT_HEALTH ] - 1 )
+  {
+    if( ps->stats[ STAT_HEALTH ] > 0 )
+      CG_PainEvent( &cg.predictedPlayerEntity, ps->stats[ STAT_HEALTH ] );
+  }
+
+
+  // if we are going into the intermission, don't start any voices
+  if( cg.intermissionStarted )
+    return;
+
+  // reward sounds
+  reward = qfalse;
+}
+
+
+/*
+===============
+CG_TransitionPlayerState
+
+===============
+*/
+void CG_TransitionPlayerState( playerState_t *ps, playerState_t *ops )
+{
+  // check for changing follow mode
+  if( ps->clientNum != ops->clientNum )
+  {
+    cg.thisFrameTeleport = qtrue;
+    // make sure we don't get any unwanted transition effects
+    *ops = *ps;
+
+    CG_ResetPainBlend( );
+  }
+
+  // damage events (player is getting wounded)
+  if( ps->damageEvent != ops->damageEvent && ps->damageCount )
+    CG_DamageFeedback( ps->damageYaw, ps->damagePitch, ps->damageCount );
+
+  // respawning
+  if( ps->persistant[ PERS_SPAWN_COUNT ] != ops->persistant[ PERS_SPAWN_COUNT ] )
+    CG_Respawn( );
+
+  if( cg.mapRestart )
+  {
+    CG_Respawn( );
+    cg.mapRestart = qfalse;
+  }
+
+  if( cg.snap->ps.pm_type != PM_INTERMISSION &&
+      ps->persistant[ PERS_SPECSTATE ] == SPECTATOR_NOT )
+    CG_CheckLocalSounds( ps, ops );
+
+  // run events
+  CG_CheckPlayerstateEvents( ps, ops );
+
+  // smooth the ducking viewheight change
+  if( ps->viewheight != ops->viewheight )
+  {
+    cg.duckChange = ps->viewheight - ops->viewheight;
+    cg.duckTime = cg.time;
+  }
+  
+  // changed team
+  if( ps->stats[ STAT_TEAM ] != ops->stats[ STAT_TEAM ] )
+  {
+    cg.lastHealthCross = 0;
+    cg.chargeMeterAlpha = 0.0f;
+  }
+}
+