feat: sar_trace_vphys_record option

in INFRA (120 tickrate) this can heavily lag the game when recording a trace, so here's an option to disable it. you may also want to disable bbox ent record.

and games without portals now don't try to record the portals

Author: ThisAMJ

docs/cvars.md

@@ -665,6 +665,7 @@
 |sar_trace_teleport_at|cmd|sar_trace_teleport_at \<tick> [player slot] [trace name] - teleports the player at the given trace tick on the given trace ID (defaults to hovered one or the first one ever made) in the given slot (defaults to 0).|
 |sar_trace_teleport_eye|cmd|sar_trace_teleport_eye \<tick> [player slot] [trace name] - teleports the player to the eye position at the given trace tick on the given trace (defaults to hovered one or the first one ever made) in the given slot (defaults to 0).|
 |sar_trace_use_shot_eyeoffset|1|Uses eye offset and angles accurate for portal shooting.|
+|sar_trace_vphys_record|1|Record vphysics locations of dynamic entities for analysis.|
 |sar_transition_timer|0|Output how slow your dialogue fade was.|
 |sar_twitch_chat_channel||The Twitch channel to connect to.|
 |sar_twitch_chat_color|255 255 255|The color of the Twitch chat messages.|

src/Features/PlayerTrace.cpp

@@ -37,6 +37,8 @@ Variable sar_trace_draw_time("sar_trace_draw_time", "3", 0, 3,
 );
 Variable sar_trace_font_size("sar_trace_font_size", "3.0", 0.1, "The size of text overlaid on recorded traces.\n");
 
+Variable sar_trace_vphys_record("sar_trace_vphys_record", "1", 0, 1, "Record vphysics locations of dynamic entities for analysis.\n");
+
 Variable sar_trace_bbox_at("sar_trace_bbox_at", "-1", -1, "Display a player-sized bbox at the given tick.\n");
 Variable sar_trace_bbox_use_hover("sar_trace_bbox_use_hover", "0", 0, 1, "Move trace bbox to hovered trace point tick on given trace.\n");
 Variable sar_trace_bbox_ent_record("sar_trace_bbox_ent_record", "1", "Record hitboxes of nearby entities in the trace. You may want to disable this if memory consumption gets too high.\n");
@@ -665,6 +667,7 @@ HitboxList PlayerTrace::ConstructHitboxList(Vector center) const {
 }
 
 VphysLocationList PlayerTrace::ConstructVphysLocationList() const {
+	if (!sar_trace_vphys_record.GetBool()) return VphysLocationList{};
 	VphysLocationList locationList;
 
 	for (int i = 0; i < Offsets::NUM_ENT_ENTRIES; ++i) {
@@ -709,6 +712,11 @@ VphysLocationList PlayerTrace::ConstructVphysLocationList() const {
 
 PortalLocations PlayerTrace::ConstructPortalLocations() const {
 	if (!sar_trace_portal_record.GetBool()) return PortalLocations{};
+	if (sar.game->Is(SourceGame_BeginnersGuide | SourceGame_StanleyParable | SourceGame_INFRA)) {
+		// Portals are not present in these games
+		// Let's not loop through every single entity every tick
+		return PortalLocations{};
+	}
 
 	PortalLocations portals;