feat: add cvar to control camera smoothing in tas

Author: Krzyhau

docs/cvars.md

@@ -633,6 +633,7 @@
 |sar_tas_stop|cmd|sar_tas_stop - stop TAS playing|
 |sar_tas_tools_enabled|1|Enables tool processing for TAS script making.|
 |sar_tas_tools_force|0|Force tool playback for TAS scripts; primarily for debugging.|
+|sar_tas_use_raw_interpolation|0|Allows TAS controller to perform extra mouse samples to make camera movement more smooth. Can affect raw playback outcome!|
 |sar_teleport|cmd|sar_teleport [noportals] - teleports the player to the last saved location|
 |sar_teleport_setpos|cmd|sar_teleport_setpos - saves current location for teleportation|
 |sar_tick_debug|0|Output debugging information to the console related to ticks and frames.|

src/Features/Tas/TasController.cpp

@@ -19,6 +19,7 @@ const int g_TasControllerInGameButtons[] = {
 };
 
 Variable sar_tas_real_controller_debug("sar_tas_real_controller_debug", "0", 0, 4, "Debugs controller.\n");
+Variable sar_tas_use_raw_interpolation("sar_tas_use_raw_interpolation", "0", "Allows TAS controller to perform extra mouse samples to make camera movement more smooth. Can affect raw playback outcome!\n");
 
 TasController *tasControllers[2];
 
@@ -141,6 +142,14 @@ void TasController::ControllerMove(int nSlot, float flFrametime, CUserCmd *cmd)
 
 	//console->Print("TasController::ControllerMove (%d, ", cmd->tick_count);
 
+	if (!sar_tas_use_raw_interpolation.GetBool()) {
+		// without raw interpolation, treat is as if extra mouse samples never happened
+		wasInExtraMouseSamples = false;
+		if (inExtraMouseSamples) {
+			return;
+		}
+	}
+
 	if (inExtraMouseSamples && !tasPlayer->IsUsingTools()) {
 		if (!wasInExtraMouseSamples) {
 			viewanglesPreExtraMouseSamples = engine->GetAngles(nSlot);