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engine: move underwater fov effect handling to the engine

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This commit is contained in:
Alibek Omarov
2026-04-13 13:27:18 +05:00
parent 81bda52a79
commit 2da155708a
2 changed files with 31 additions and 9 deletions
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24
engine/client/cl_view.c
View File

@@ -360,6 +360,29 @@ qboolean V_PreRender( void )
//============================================================================
/*
====================
V_ApplyRefUnderwater
apply underwater fov effect
====================
*/
static void V_ApplyRefUnderwater( ref_viewpass_t *rvp )
{
if( !FBitSet( rvp->flags, RF_DRAW_CUBEMAP|RF_DRAW_OVERVIEW ))
return;
if( !FBitSet( host.features, ENGINE_QUAKE_COMPATIBLE ))
return;
if( cl.local.waterlevel < 3 )
return;
rvp->fov_x = atan( tan( DEG2RAD( rvp->fov_x ) / 2 ) * ( 0.97f + sin( cl.time * 1.5f ) * 0.03f )) * 2 / (M_PI_F / 180.0f);
rvp->fov_y = atan( tan( DEG2RAD( rvp->fov_y ) / 2 ) * ( 1.03f - sin( cl.time * 1.5f ) * 0.03f )) * 2 / (M_PI_F / 180.0f);
}
/*
==================
V_RenderView
@@ -389,6 +412,7 @@ void V_RenderView( void )
clgame.dllFuncs.pfnCalcRefdef( &rp );
V_GetRefParams( &rp, &rvp );
V_RefApplyOverview( &rvp );
V_ApplyRefUnderwater( &rvp );
if( viewnum == 0 && FBitSet( rvp.flags, RF_ONLY_CLIENTDRAW ))
{

16
ref/gl/gl_rmain.c
View File

@@ -352,14 +352,6 @@ R_SetupFrustum
*/
void R_SetupFrustum( void )
{
const ref_overview_t *ov = gEngfuncs.GetOverviewParms();
if( RP_NORMALPASS() && FBitSet( gp_host->features, ENGINE_QUAKE_COMPATIBLE ) && ( ENGINE_GET_PARM( PARM_WATER_LEVEL ) >= 3 ))
{
RI.fov_x = atan( tan( DEG2RAD( RI.fov_x ) / 2 ) * ( 0.97f + sin( gp_cl->time * 1.5f ) * 0.03f )) * 2 / (M_PI_F / 180.0f);
RI.fov_y = atan( tan( DEG2RAD( RI.fov_y ) / 2 ) * ( 1.03f - sin( gp_cl->time * 1.5f ) * 0.03f )) * 2 / (M_PI_F / 180.0f);
}
// build the transformation matrix for the given view angles
AngleVectors( RI.viewangles, RI.vforward, RI.vright, RI.vup );
@@ -372,8 +364,14 @@ void R_SetupFrustum( void )
}
if( RI.drawOrtho )
{
const ref_overview_t *ov = gEngfuncs.GetOverviewParms();
GL_FrustumInitOrtho( &RI.frustum, ov->xLeft, ov->xRight, ov->yTop, ov->yBottom, ov->zNear, ov->zFar );
else GL_FrustumInitProj( &RI.frustum, 0.0f, R_GetFarClip(), RI.fov_x, RI.fov_y ); // NOTE: we ignore nearplane here (mirrors only)
}
else
{
GL_FrustumInitProj( &RI.frustum, 0.0f, R_GetFarClip(), RI.fov_x, RI.fov_y ); // NOTE: we ignore nearplane here (mirrors only)
}
}
/*