From 980dd1b5a17440e9a272b7b47ad3553cd1ce11ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?eray=20or=C3=A7unus?= <erayorcunus@gmail.com>
Date: Sun, 16 Aug 2020 17:10:59 +0300
Subject: 2 new opcodes

---
 src/core/Pad.cpp | 27 ++++++++++++++++++++++-----
 src/core/Pad.h   |  4 ++++
 2 files changed, 26 insertions(+), 5 deletions(-)

(limited to 'src/core')

diff --git a/src/core/Pad.cpp b/src/core/Pad.cpp
index 6d6c30e4..222fe349 100644
--- a/src/core/Pad.cpp
+++ b/src/core/Pad.cpp
@@ -631,6 +631,11 @@ void CPad::Clear(bool bResetPlayerControls)
 	ShakeFreq = 0;
 	ShakeDur = 0;
 
+	for (int32 i = 0; i < DRUNK_STEERING_BUFFER_SIZE; i++)
+		SteeringLeftRightBuffer[i] = 0;
+
+	DrunkDrivingBufferUsed = 0;
+
 	if ( bResetPlayerControls )
 		DisablePlayerControls = PLAYERCONTROL_ENABLED;
 
@@ -1806,6 +1811,9 @@ void CPad::Update(int16 pad)
 
 	bHornHistory[iCurrHornHistory] = GetHorn();
 
+	for (int32 i = DRUNK_STEERING_BUFFER_SIZE - 2; i >= 0; i--) {
+		SteeringLeftRightBuffer[i + 1] = SteeringLeftRightBuffer[i];
+	}
 
 	if ( !bDisplayNoControllerMessage )
 		CGame::bDemoMode = false;
@@ -1899,6 +1907,7 @@ int16 CPad::GetSteeringLeftRight(void)
 	if ( ArePlayerControlsDisabled() )
 		return 0;
 
+	int16 value;
 	switch (CURMODE)
 	{
 		case 0:
@@ -1908,9 +1917,12 @@ int16 CPad::GetSteeringLeftRight(void)
 			int16 dpad = (NewState.DPadRight - NewState.DPadLeft) / 2;
 
 			if ( Abs(axis) > Abs(dpad) )
-				return axis;
+				value = axis;
 			else
-				return dpad;
+				value = dpad;
+
+			SteeringLeftRightBuffer[0] = value;
+			value = SteeringLeftRightBuffer[DrunkDrivingBufferUsed];
 
 			break;
 		}
@@ -1918,13 +1930,18 @@ int16 CPad::GetSteeringLeftRight(void)
 		case 1:
 		case 3:
 		{
-			return NewState.LeftStickX;
-
+			SteeringLeftRightBuffer[0] = NewState.LeftStickX;
+			value = SteeringLeftRightBuffer[DrunkDrivingBufferUsed];
+			break;
+		}
+		default:
+		{
+			value = 0;
 			break;
 		}
 	}
 
-	return 0;
+	return value;
 }
 
 int16 CPad::GetSteeringUpDown(void)
diff --git a/src/core/Pad.h b/src/core/Pad.h
index 4374bc1a..72851317 100644
--- a/src/core/Pad.h
+++ b/src/core/Pad.h
@@ -141,9 +141,12 @@ public:
 	enum
 	{
 		HORNHISTORY_SIZE = 5,
+		DRUNK_STEERING_BUFFER_SIZE = 10,
 	};
 	CControllerState NewState;
 	CControllerState OldState;
+	int16 SteeringLeftRightBuffer[DRUNK_STEERING_BUFFER_SIZE];
+	int32 DrunkDrivingBufferUsed;
 	CControllerState PCTempKeyState;
 	CControllerState PCTempJoyState;
 	CControllerState PCTempMouseState;
@@ -263,6 +266,7 @@ public:
 	static char *EditString(char *pStr, int32 nSize);
 	static int32 *EditCodesForControls(int32 *pRsKeys, int32 nSize);
 	uint32 InputHowLongAgo(void);
+	void SetDrunkInputDelay(int32 delay) { DrunkDrivingBufferUsed = delay; }
 
 #ifdef XINPUT
 	void AffectFromXinput(uint32 pad);
-- 
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