client: render: disabled purging dynamic lights that used for video projecting

Author: SNMetamorph

client/render/cl_dlight.h

@@ -33,6 +33,7 @@ GNU General Public License for more details.
 #define DLF_ASPECT4X3				BIT( 5 )
 #define DLF_FLIPTEXTURE				BIT( 6 )
 #define DLF_PARENTENTITY_NOSHADOW	BIT( 7 )
+#define DLF_MOVIE					BIT( 8 )
 
 class CDynLight
 {

client/render/gl_dlight.cpp

@@ -96,15 +96,19 @@ void CL_DecayLights( void )
 	float time = GET_CLIENT_TIME();
 	CDynLight *pl = tr.dlights;
 
-	for( int i = 0; i < MAX_DLIGHTS; i++, pl++ )
+	for (int i = 0; i < MAX_DLIGHTS; i++, pl++)
 	{
-		if( !pl->radius ) continue;
+		if (!pl->radius)
+			continue;
+
+		if (FBitSet(pl->flags, DLF_MOVIE))
+			continue; // don't clean up dlights that used for video projecting
 
 		pl->radius -= tr.frametime * pl->decay;
-		if( pl->radius < 0.0f ) pl->radius = 0.0f;
+		if (pl->radius < 0.0f) pl->radius = 0.0f;
 
-		if( pl->Expired( )) 
-			memset( pl, 0, sizeof( *pl ));
+		if (pl->Expired())
+			memset(pl, 0, sizeof(*pl));
 	}
 }
 

client/render/gl_scene.cpp

@@ -479,7 +479,7 @@ static bool R_HandleLightEntity(cl_entity_t *ent)
 		if (dlight->spotlightTexture == tr.spotlightTexture[1])
 			return true; // invalid texture?
 
-		flags = DLF_ASPECT3X4;	// fit to film01.avi aspect
+		flags = DLF_ASPECT3X4 | DLF_MOVIE;	// fit to film01.avi aspect
 		type = LIGHT_SPOT;
 
 		if (!R_UpdateCinematicDynLight(entity.GetVideoFileIndex(), dlight))