* First person weapon animation

7 files changed, 175 insertions, 165 deletions

diff --git a/src/cgame/cg_animation.c b/src/cgame/cg_animation.c
index c370c534..693cf6a7 100644
--- a/src/cgame/cg_animation.c
+++ b/src/cgame/cg_animation.c
@@ -31,7 +31,7 @@ Sets cg.snap, cg.oldFrame, and cg.backlerp
 cg.time should be between oldFrameTime and frameTime after exit
 ===============
 */
-void CG_RunLerpFrame( lerpFrame_t *lf )
+void CG_RunLerpFrame( lerpFrame_t *lf, float scale )
 {
   int     f, numFrames;
   animation_t *anim;
@@ -61,7 +61,9 @@ void CG_RunLerpFrame( lerpFrame_t *lf )
       lf->frameTime = lf->oldFrameTime + anim->frameLerp;
 
     f = ( lf->frameTime - lf->animationTime ) / anim->frameLerp;
+    f *= scale;
     numFrames = anim->numFrames;
+
     if( anim->flipflop )
       numFrames *= 2;
 
diff --git a/src/cgame/cg_animmapobj.c b/src/cgame/cg_animmapobj.c
index 12253149..ae2309dd 100644
--- a/src/cgame/cg_animmapobj.c
+++ b/src/cgame/cg_animmapobj.c
@@ -31,7 +31,7 @@ CG_DoorAnimation
 */
 static void CG_DoorAnimation( centity_t *cent, int *old, int *now, float *backLerp )
 {
-  CG_RunLerpFrame( &cent->lerpFrame );
+  CG_RunLerpFrame( &cent->lerpFrame, 1.0f );
 
   *old      = cent->lerpFrame.oldFrame;
   *now      = cent->lerpFrame.frame;
@@ -117,7 +117,7 @@ static void CG_AMOAnimation( centity_t *cent, int *old, int *now, float *backLer
       cent->lerpFrame.frameTime     += delta;
     }
 
-    CG_RunLerpFrame( &cent->lerpFrame );
+    CG_RunLerpFrame( &cent->lerpFrame, 1.0f );
     cent->miscTime = cg.time;
   }
 
diff --git a/src/cgame/cg_buildable.c b/src/cgame/cg_buildable.c
index 45f1e8dd..7b20b8b8 100644
--- a/src/cgame/cg_buildable.c
+++ b/src/cgame/cg_buildable.c
@@ -427,19 +427,10 @@ cg.time should be between oldFrameTime and frameTime after exit
 */
 static void CG_RunBuildableLerpFrame( centity_t *cent )
 {
-  int                   f, numFrames;
   buildable_t           buildable = cent->currentState.modelindex;
   lerpFrame_t           *lf = &cent->lerpFrame;
-  animation_t           *anim;
   buildableAnimNumber_t newAnimation = cent->buildableAnim & ~( ANIM_TOGGLEBIT|ANIM_FORCEBIT );
 
-  // debugging tool to get no animations
-  if( cg_animSpeed.integer == 0 )
-  {
-    lf->oldFrame = lf->frame = lf->backlerp = 0;
-    return;
-  }
-
   // see if the animation sequence is switching
   if( newAnimation != lf->animationNumber || !lf->animation )
   {
@@ -466,72 +457,11 @@ static void CG_RunBuildableLerpFrame( centity_t *cent )
     trap_S_AddLoopingSound( cent->currentState.number, cent->lerpOrigin, vec3_origin,
       cg_buildables[ buildable ].sounds[ lf->animationNumber ].sound );
 
-  // if we have passed the current frame, move it to
-  // oldFrame and calculate a new frame
-  if( cg.time >= lf->frameTime )
-  {
-    lf->oldFrame = lf->frame;
-    lf->oldFrameTime = lf->frameTime;
-
-    // get the next frame based on the animation
-    anim = lf->animation;
-    if( !anim->frameLerp )
-      return;   // shouldn't happen
-
-    if ( cg.time < lf->animationTime )
-      lf->frameTime = lf->animationTime;    // initial lerp
-    else
-      lf->frameTime = lf->oldFrameTime + anim->frameLerp;
-
-    f = ( lf->frameTime - lf->animationTime ) / anim->frameLerp;
-    numFrames = anim->numFrames;
-    if(anim->flipflop)
-      numFrames *= 2;
+  CG_RunLerpFrame( lf, 1.0f );
 
-    if( f >= numFrames )
-    {
-      f -= numFrames;
-      if( anim->loopFrames )
-      {
-        f %= anim->loopFrames;
-        f += anim->numFrames - anim->loopFrames;
-      }
-      else
-      {
-        f = numFrames - 1;
-        // the animation is stuck at the end, so it
-        // can immediately transition to another sequence
-        lf->frameTime = cg.time;
-        cent->buildableAnim = cent->currentState.torsoAnim;
-      }
-    }
-
-    if( anim->reversed )
-      lf->frame = anim->firstFrame + anim->numFrames - 1 - f;
-    else if( anim->flipflop && f >= anim->numFrames )
-      lf->frame = anim->firstFrame + anim->numFrames - 1 - ( f % anim->numFrames );
-    else
-      lf->frame = anim->firstFrame + f;
-
-    if( cg.time > lf->frameTime )
-    {
-      lf->frameTime = cg.time;
-      if( cg_debugAnim.integer )
-        CG_Printf( "Clamp lf->frameTime\n");
-    }
-  }
-
-  if( lf->frameTime > cg.time + 200 )
-    lf->frameTime = cg.time;
-
-  if( lf->oldFrameTime > cg.time )
-    lf->oldFrameTime = cg.time;
-
-  // calculate current lerp value
-  if( lf->frameTime == lf->oldFrameTime )
-    lf->backlerp = 0;
-  else
-    lf->backlerp = 1.0 - (float)( cg.time - lf->oldFrameTime ) / ( lf->frameTime - lf->oldFrameTime );
+  // animation ended
+  if( lf->frameTime == cg.time )
+    cent->buildableAnim = cent->currentState.torsoAnim;
 }
 
 /*
diff --git a/src/cgame/cg_local.h b/src/cgame/cg_local.h
index 4b375d43..470069c1 100644
--- a/src/cgame/cg_local.h
+++ b/src/cgame/cg_local.h
@@ -569,7 +569,7 @@ typedef struct
 
 typedef struct
 {
-  lerpFrame_t legs, torso, flag, nonseg;
+  lerpFrame_t legs, torso, nonseg, weapon;
   int         painTime;
   int         painDirection;  // flip from 0 to 1
   
@@ -825,6 +825,9 @@ typedef struct weaponInfo_s
   qhandle_t         barrelModel;
   qhandle_t         flashModel;
 
+  animation_t       animations[ MAX_WEAPON_ANIMATIONS ];
+  qboolean          noDrift;
+
   vec3_t            weaponMidpoint;   // so it will rotate centered instead of by tag
 
   qhandle_t         weaponIcon;
@@ -1669,7 +1672,7 @@ void        CG_AlienBuildableExplosion( vec3_t origin, vec3_t dir );
 //
 // cg_animation.c
 //
-void        CG_RunLerpFrame( lerpFrame_t *lf );
+void        CG_RunLerpFrame( lerpFrame_t *lf, float scale );
 
 //
 // cg_animmapobj.c
diff --git a/src/cgame/cg_particles.c b/src/cgame/cg_particles.c
index 195c5ff3..c7023dbf 100644
--- a/src/cgame/cg_particles.c
+++ b/src/cgame/cg_particles.c
@@ -2416,7 +2416,7 @@ static void CG_RenderParticle( particle_t *p )
     p->lf.animation = &bp->modelAnimation;
 
     //run animation
-    CG_RunLerpFrame( &p->lf );
+    CG_RunLerpFrame( &p->lf, 1.0f );
 
     re.oldframe = p->lf.oldFrame;
     re.frame    = p->lf.frame;
diff --git a/src/cgame/cg_players.c b/src/cgame/cg_players.c
index 78cbe8d8..f729164a 100644
--- a/src/cgame/cg_players.c
+++ b/src/cgame/cg_players.c
@@ -841,90 +841,11 @@ cg.time should be between oldFrameTime and frameTime after exit
 */
 static void CG_RunPlayerLerpFrame( clientInfo_t *ci, lerpFrame_t *lf, int newAnimation, float speedScale )
 {
-  int         f, numFrames;
-  animation_t *anim;
-
-  // debugging tool to get no animations
-  if( cg_animSpeed.integer == 0 )
-  {
-    lf->oldFrame = lf->frame = lf->backlerp = 0;
-    return;
-  }
-
   // see if the animation sequence is switching
   if( newAnimation != lf->animationNumber || !lf->animation )
-  {
     CG_SetLerpFrameAnimation( ci, lf, newAnimation );
-  }
 
-  // if we have passed the current frame, move it to
-  // oldFrame and calculate a new frame
-  if( cg.time >= lf->frameTime )
-  {
-    lf->oldFrame = lf->frame;
-    lf->oldFrameTime = lf->frameTime;
-
-    // get the next frame based on the animation
-    anim = lf->animation;
-    if( !anim->frameLerp )
-      return;   // shouldn't happen
-
-    if( cg.time < lf->animationTime )
-      lf->frameTime = lf->animationTime;    // initial lerp
-    else
-      lf->frameTime = lf->oldFrameTime + anim->frameLerp;
-
-    f = ( lf->frameTime - lf->animationTime ) / anim->frameLerp;
-    f *= speedScale;    // adjust for haste, etc
-    numFrames = anim->numFrames;
-
-    if( anim->flipflop )
-      numFrames *= 2;
-
-    if( f >= numFrames )
-    {
-      f -= numFrames;
-      if( anim->loopFrames )
-      {
-        f %= anim->loopFrames;
-        f += anim->numFrames - anim->loopFrames;
-      }
-      else
-      {
-        f = numFrames - 1;
-        // the animation is stuck at the end, so it
-        // can immediately transition to another sequence
-        lf->frameTime = cg.time;
-      }
-    }
-
-    if( anim->reversed )
-      lf->frame = anim->firstFrame + anim->numFrames - 1 - f;
-    else if( anim->flipflop && f>=anim->numFrames )
-      lf->frame = anim->firstFrame + anim->numFrames - 1 - ( f % anim->numFrames );
-    else
-      lf->frame = anim->firstFrame + f;
-
-    if( cg.time > lf->frameTime )
-    {
-      lf->frameTime = cg.time;
-
-      if( cg_debugAnim.integer )
-        CG_Printf( "Clamp lf->frameTime\n" );
-    }
-  }
-
-  if( lf->frameTime > cg.time + 200 )
-    lf->frameTime = cg.time;
-
-  if( lf->oldFrameTime > cg.time )
-    lf->oldFrameTime = cg.time;
-
-  // calculate current lerp value
-  if( lf->frameTime == lf->oldFrameTime )
-    lf->backlerp = 0;
-  else
-    lf->backlerp = 1.0 - (float)( cg.time - lf->oldFrameTime ) / ( lf->frameTime - lf->oldFrameTime );
+  CG_RunLerpFrame( lf, speedScale );
 }
 
 
diff --git a/src/cgame/cg_weapons.c b/src/cgame/cg_weapons.c
index e3776779..f9ea2985 100644
--- a/src/cgame/cg_weapons.c
+++ b/src/cgame/cg_weapons.c
@@ -80,6 +80,104 @@ void CG_InitUpgrades( void )
 
 
 /*
+======================
+CG_ParseWeaponAnimationFile
+
+Read a configuration file containing animation counts and rates
+models/weapons/rifle/animation.cfg, etc
+======================
+*/
+static qboolean CG_ParseWeaponAnimationFile( const char *filename, weaponInfo_t *weapon )
+{
+  char          *text_p;
+  int           len;
+  int           i;
+  char          *token;
+  float         fps;
+  char          text[ 20000 ];
+  fileHandle_t  f;
+  animation_t   *animations;
+
+  animations = weapon->animations;
+
+  // load the file
+  len = trap_FS_FOpenFile( filename, &f, FS_READ );
+  if( len <= 0 )
+    return qfalse;
+
+  if( len >= sizeof( text ) - 1 )
+  {
+    CG_Printf( "File %s too long\n", filename );
+    return qfalse;
+  }
+
+  trap_FS_Read( text, len, f );
+  text[ len ] = 0;
+  trap_FS_FCloseFile( f );
+
+  // parse the text
+  text_p = text;
+
+  // read information for each frame
+  for( i = WANIM_NONE + 1; i < MAX_WEAPON_ANIMATIONS; i++ )
+  {
+
+    token = COM_Parse( &text_p );
+    if( !*token )
+      break;
+
+    if( !Q_stricmp( token, "noDrift" ) )
+    {
+      weapon->noDrift = qtrue;
+      continue;
+    }
+
+    animations[ i ].firstFrame = atoi( token );
+
+    token = COM_Parse( &text_p );
+    if( !*token )
+      break;
+
+    animations[ i ].numFrames = atoi( token );
+    animations[ i ].reversed = qfalse;
+    animations[ i ].flipflop = qfalse;
+
+    // if numFrames is negative the animation is reversed
+    if( animations[ i ].numFrames < 0 )
+    {
+      animations[ i ].numFrames = -animations[ i ].numFrames;
+      animations[ i ].reversed = qtrue;
+    }
+
+    token = COM_Parse( &text_p );
+    if ( !*token )
+      break;
+
+    animations[i].loopFrames = atoi( token );
+
+    token = COM_Parse( &text_p );
+    if( !*token )
+      break;
+
+    fps = atof( token );
+    if( fps == 0 )
+      fps = 1;
+
+    animations[ i ].frameLerp = 1000 / fps;
+    animations[ i ].initialLerp = 1000 / fps;
+  }
+
+  if( i != MAX_WEAPON_ANIMATIONS )
+  {
+    CG_Printf( "Error parsing animation file: %s\n", filename );
+    return qfalse;
+  }
+
+  return qtrue;
+}
+
+
+/*
 ===============
 CG_ParseWeaponModeSection
 
@@ -627,6 +725,11 @@ void CG_RegisterWeapon( int weaponNum )
   if( !CG_ParseWeaponFile( path, weaponInfo ) )
     Com_Printf( S_COLOR_RED "ERROR: failed to parse %s\n", path );
 
+  Com_sprintf( path, MAX_QPATH, "models/weapons/%s/animation.cfg", BG_FindNameForWeapon( weaponNum ) );
+
+  if( !CG_ParseWeaponAnimationFile( path, weaponInfo ) )
+    Com_Printf( S_COLOR_RED "ERROR: failed to parse %s\n", path );
+
   // calc midpoint for rotation
   trap_R_ModelBounds( weaponInfo->weaponModel, mins, maxs );
   for( i = 0 ; i < 3 ; i++ )
@@ -666,6 +769,53 @@ VIEW WEAPON
 */
 
 /*
+===============
+CG_SetWeaponLerpFrameAnimation
+
+may include ANIM_TOGGLEBIT
+===============
+*/
+static void CG_SetWeaponLerpFrameAnimation( weapon_t weapon, lerpFrame_t *lf, int newAnimation )
+{
+  animation_t *anim;
+
+  lf->animationNumber = newAnimation;
+  newAnimation &= ~ANIM_TOGGLEBIT;
+
+  if( newAnimation < 0 || newAnimation >= MAX_WEAPON_ANIMATIONS )
+    CG_Error( "Bad animation number: %i", newAnimation );
+
+  anim = &cg_weapons[ weapon ].animations[ newAnimation ];
+
+  lf->animation = anim;
+  lf->animationTime = lf->frameTime + anim->initialLerp;
+
+  if( cg_debugAnim.integer )
+    CG_Printf( "Anim: %i\n", newAnimation );
+}
+
+/*
+===============
+CG_WeaponAnimation
+===============
+*/
+static void CG_WeaponAnimation( centity_t *cent, int *old, int *now, float *backLerp )
+{
+  lerpFrame_t   *lf = &cent->pe.weapon;
+  entityState_t *es = &cent->currentState;
+
+  // see if the animation sequence is switching
+  if( es->weaponAnim != lf->animationNumber || !lf->animation )
+    CG_SetWeaponLerpFrameAnimation( es->weapon, lf, es->weaponAnim );
+
+  CG_RunLerpFrame( lf, 1.0f );
+
+  *old      = lf->oldFrame;
+  *now      = lf->frame;
+  *backLerp = lf->backlerp;
+}
+
+/*
 =================
 CG_MapTorsoToWeaponFrame
 
@@ -700,10 +850,13 @@ CG_CalculateWeaponPosition
 */
 static void CG_CalculateWeaponPosition( vec3_t origin, vec3_t angles )
 {
-  float scale;
-  int   delta;
-  float fracsin;
-  float bob;
+  float         scale;
+  int           delta;
+  float         fracsin;
+  float         bob;
+  weaponInfo_t  *weapon;
+
+  weapon = &cg_weapons[ cg.predictedPlayerState.weapon ];
 
   VectorCopy( cg.refdef.vieworg, origin );
   VectorCopy( cg.refdefViewAngles, angles );
@@ -726,7 +879,7 @@ static void CG_CalculateWeaponPosition( vec3_t origin, vec3_t angles )
   }
 
   // drop the weapon when landing
-  if( !BG_ClassHasAbility( cg.predictedPlayerState.stats[ STAT_PCLASS ], SCA_NOWEAPONDRIFT ) )
+  if( weapon->noDrift )
   {
     delta = cg.time - cg.landTime;
     if( delta < LAND_DEFLECT_TIME )
@@ -880,6 +1033,7 @@ void CG_AddPlayerWeapon( refEntity_t *parent, playerState_t *ps, centity_t *cent
 
   if( !noGunModel )
   {
+    CG_WeaponAnimation( cent, &gun.oldframe, &gun.frame, &gun.backlerp );
     CG_PositionEntityOnTag( &gun, parent, parent->hModel, "tag_weapon" );
 
     trap_R_AddRefEntityToScene( &gun );