CPed, CVehicle, mostly entering/exiting car

Signed-off-by: eray orçunus <erayorcunus@gmail.com>

src/control/CarCtrl.cpp

@@ -2,5 +2,7 @@
 #include "patcher.h"
 #include "CarCtrl.h"
 
+int &CCarCtrl::NumLawEnforcerCars = *(int*)0x8F1B38;
+
 WRAPPER void CCarCtrl::SwitchVehicleToRealPhysics(CVehicle*) { EAXJMP(0x41F7F0); }
 WRAPPER void CCarCtrl::AddToCarArray(int id, int vehclass) { EAXJMP(0x4182F0); }

src/control/CarCtrl.h

@@ -7,4 +7,6 @@ class CCarCtrl
 public:
 	static void SwitchVehicleToRealPhysics(CVehicle*);
 	static void AddToCarArray(int id, int vehclass);
+
+	static int32 &NumLawEnforcerCars;
 };

src/control/PedPlacement.cpp

@@ -0,0 +1,40 @@
+#include "common.h"
+#include "patcher.h"
+#include "PedPlacement.h"
+#include "World.h"
+
+void
+CPedPlacement::FindZCoorForPed(CVector* pos)
+{
+	float zForPed;
+	float startZ = pos->z - 100.0f;
+	float foundColZ = -100.0f;
+	float foundColZ2 = -100.0f;
+	CColPoint foundCol;
+	CEntity* foundEnt;
+
+	CVector vec(
+		pos->x,
+		pos->y,
+		pos->z + 1.0f
+	);
+
+	if (CWorld::ProcessVerticalLine(vec, startZ, foundCol, foundEnt, true, false, false, false, true, false, false))
+		foundColZ = foundCol.point.z;
+
+	// Adjust coords and do a second test
+	vec.x += 0.1f;
+	vec.y += 0.1f;
+
+	if (CWorld::ProcessVerticalLine(vec, startZ, foundCol, foundEnt, true, false, false, false, true, false, false))
+		foundColZ2 = foundCol.point.z;
+
+	zForPed = max(foundColZ, foundColZ2);
+
+	if (zForPed > -99.0f)
+		pos->z = 1.04f + zForPed;
+}
+
+STARTPATCHES
+	InjectHook(0x4EE340, &CPedPlacement::FindZCoorForPed, PATCH_JUMP);
+ENDPATCHES

src/control/PedPlacement.h

@@ -0,0 +1,8 @@
+#pragma once
+
+class CVector;
+
+class CPedPlacement {
+public:
+	static void FindZCoorForPed(CVector* pos);
+};