From e5faeea2e51da5e6ea9ef18b3358c82d69d1ca4b Mon Sep 17 00:00:00 2001
From: Nikolay Korolev <nickvnuk@gmail.com>
Date: Fri, 11 Sep 2020 18:46:16 +0300
Subject: [PATCH] wall climb cheat from LCS

---
 src/core/Pad.cpp          | 26 ++++++++++++++++++++++++++
 src/core/config.h         |  1 +
 src/entities/Physical.cpp | 30 ++++++++++++++++++++++++++++--
 3 files changed, 55 insertions(+), 2 deletions(-)

diff --git a/src/core/Pad.cpp b/src/core/Pad.cpp
index 193ca1c5..03d209cd 100644
--- a/src/core/Pad.cpp
+++ b/src/core/Pad.cpp
@@ -89,6 +89,10 @@ bool CPad::IsAffectedByController = false;
 _TODO("gbFastTime");
 extern bool gbFastTime;
 
+#ifdef WALLCLIMB_CHEAT
+extern bool gGravityCheat;
+#endif
+
 void WeaponCheat1()
 {
 	CHud::SetHelpMessage(TheText.Get("CHEAT2"), true);
@@ -554,6 +558,22 @@ void AltDodoCheat(void)
 }
 #endif
 
+#ifdef WALLCLIMB_CHEAT
+void WallClimbingCheat(void)
+{
+	wchar* string;
+	if (gGravityCheat) {
+		string = TheText.Get("CHEATOF");
+		gGravityCheat = false;
+	}
+	else {
+		string = TheText.Get("CHEAT1");
+		gGravityCheat = true;
+	}
+	CHud::SetHelpMessage(string, true);
+}
+#endif
+
 void FlyingFishCheat(void)
 {
 	CHud::SetHelpMessage(TheText.Get("CHEAT1"), true);
@@ -1430,6 +1450,12 @@ void CPad::AddToPCCheatString(char c)
 		AltDodoCheat();
 #endif
 
+#ifdef WALLCLIMB_CHEAT
+	// "SPIDERCAR"
+	if (!_CHEATCMP("RACREDIPS"))
+		WallClimbingCheat();
+#endif
+
 #if !defined(PC_WATER) && defined(WATER_CHEATS)
 	// SEABEDCHEAT
 	if (!_CHEATCMP("TAEHCDEBAESON"))
diff --git a/src/core/config.h b/src/core/config.h
index 276ddefd..82044f75 100644
--- a/src/core/config.h
+++ b/src/core/config.h
@@ -252,6 +252,7 @@ enum Config {
 #define KANGAROO_CHEAT
 #define ALLCARSHELI_CHEAT
 #define ALT_DODO_CHEAT
+#define WALLCLIMB_CHEAT
 #define REGISTER_START_BUTTON
 //#define BIND_VEHICLE_FIREWEAPON // Adds ability to rebind fire key for 'in vehicle' controls
 
diff --git a/src/entities/Physical.cpp b/src/entities/Physical.cpp
index 5fe29a79..b190d03a 100644
--- a/src/entities/Physical.cpp
+++ b/src/entities/Physical.cpp
@@ -23,6 +23,11 @@
 
 //--MIAMI: file done
 
+#ifdef WALLCLIMB_CHEAT
+bool gGravityCheat;
+#endif
+
+
 CPhysical::CPhysical(void)
 {
 	int i;
@@ -521,8 +526,29 @@ CPhysical::ApplySpringDampening(float damping, CVector &springDir, CVector &poin
 void
 CPhysical::ApplyGravity(void)
 {
-	if(bAffectedByGravity)
-		m_vecMoveSpeed.z -= GRAVITY * CTimer::GetTimeStep();
+	if (!bAffectedByGravity)
+		return;
+#ifdef WALLCLIMB_CHEAT
+	if (gGravityCheat && this == FindPlayerVehicle()) {
+		static CVector v1(0.0f, 0.0f, 1.0f), v2(0.0f, 0.0f, 1.0f);
+		CVector prop = GetPosition() - (GetUp() + GetUp());
+		CColPoint point;
+		CEntity* entity;
+		if (CWorld::ProcessLineOfSight(GetPosition(), prop, point, entity, true, false, false, false, false, false))
+			v2 = point.normal;
+		else
+			v2 = CVector(0.0f, 0.0f, 1.0f);
+		float coef = clamp(CTimer::GetTimeStep() * 0.5f, 0.05f, 0.8f);
+		v1 = v1 * (1.0f - coef) + v2 * coef;
+		if (v1.MagnitudeSqr() < 0.1f)
+			v1 = CVector(0.0f, 0.0f, 1.0f);
+		else
+			v1.Normalise();
+		m_vecMoveSpeed -= GRAVITY * CTimer::GetTimeStep() * v1;
+		return;
+	}
+#endif
+	m_vecMoveSpeed.z -= GRAVITY * CTimer::GetTimeStep();
 }
 
 void