CPed::Avoid and needed changes

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

src/PedType.cpp

@@ -0,0 +1,31 @@
+#include "common.h"
+#include "patcher.h"
+#include "PedType.h"
+
+CPedType* (&CPedType::ms_apPedType)[23] = *(CPedType * (*)[23]) * (int*)0x941594;
+
+WRAPPER void CPedType::LoadPedData(void) { EAXJMP(0x4EE8D0); }
+
+void
+CPedType::Initialise()
+{
+	debug("Initialising CPedType...\n");
+	for(int i = 0; i < 23; i++) {
+		ms_apPedType[i] = new CPedType;
+		ms_apPedType[i]->m_Type.IntValue = 1;
+		ms_apPedType[i]->field_4 = 0;
+		ms_apPedType[i]->field_8 = 0;
+		// Why field_C not initialized?
+		ms_apPedType[i]->field_10 = 0;
+		ms_apPedType[i]->field_14 = 0;
+		ms_apPedType[i]->m_Threat.IntValue = 0;
+		ms_apPedType[i]->m_Avoid.IntValue = 0;
+	}
+	debug("Loading ped data...\n");
+	LoadPedData();
+	debug("CPedType ready\n");
+}
+
+STARTPATCHES
+	InjectHook(0x4EE7E0, &CPedType::Initialise, PATCH_JUMP);
+ENDPATCHES

src/PedType.h

@@ -0,0 +1,61 @@
+#pragma once
+
+#include "common.h"
+#include "templates.h"
+#include "Lists.h"
+
+class CPedType {
+public:
+	union tPedTypeFlags
+	{
+		uint32 IntValue;
+		struct
+		{
+			uint8 bPlayer1 : 1;
+			uint8 bPlayer2 : 1;
+			uint8 bPlayer3 : 1;
+			uint8 bPlayer4 : 1;
+			uint8 bCivmale : 1;
+			uint8 bCivfemale : 1;
+			uint8 bCop : 1;
+			uint8 bGang1 : 1;
+
+			uint8 bGang2 : 1;
+			uint8 bGang3 : 1;
+			uint8 bGang4 : 1;
+			uint8 bGang5 : 1;
+			uint8 bGang6 : 1;
+			uint8 bGang7 : 1;
+			uint8 bGang8 : 1;
+			uint8 bGang9 : 1;
+
+			uint8 bEmergency : 1;
+			uint8 bProstitute : 1;
+			uint8 bCriminal : 1;
+			uint8 bSpecial : 1;
+			uint8 bGun : 1;
+			uint8 bCop_car : 1;
+			uint8 bFast_car : 1;
+			uint8 bExplosion : 1;
+
+			uint8 bFireman : 1;
+			uint8 bDeadpeds : 1;
+		};
+	};
+
+	tPedTypeFlags m_Type;
+	float field_4;
+	float field_8;
+	float field_C;
+	float field_10;
+	float field_14;
+	tPedTypeFlags m_Threat;
+	tPedTypeFlags m_Avoid;
+
+	static CPedType* (&ms_apPedType)[23];
+
+	static void Initialise();
+	static void LoadPedData();
+};
+
+static_assert(sizeof(CPedType) == 0x20, "CPedType: error");

src/entities/Ped.cpp

@@ -7,6 +7,8 @@
 #include "PedStat.h"
 #include "DMaudio.h"
 #include "Ped.h"
+#include "PedType.h"
+#include "General.h"
 
 bool &CPed::bNastyLimbsCheat = *(bool*)0x95CD44;
 bool &CPed::bPedCheat2 = *(bool*)0x95CD5A;
@@ -229,8 +231,6 @@ CPed::AimGun()
 	}
 }
 
-
-// After I finished this I realized it's only for SCM opcode...
 void
 CPed::ApplyHeadShot(eWeaponType weaponType, CVector pos, bool evenOnPlayer)
 {
@@ -397,6 +397,65 @@ CPed::OurPedCanSeeThisOne(CEntity* who)
 	return !CWorld::ProcessLineOfSight(ourPos, itsPos, colpoint, ent, 1, 0, 0, 0, 0, 0, 0);
 }
 
+void
+CPed::Avoid(void) {
+	int8 temper;
+	int moveState;
+	CPed* nearestPed;
+	float sinValue;
+	float cosValue;
+	float someRate;
+	float someY;
+	float someX;
+	float someDistance;
+	float simplifiedAngle;
+
+	temper = m_pedStats->m_temper;
+	if ((temper <= m_pedStats->m_fear || temper <= 50) && CTimer::GetTimeInMilliseconds() > m_nPedStateTimer) {
+		moveState = m_nMoveState;
+
+		if (moveState != PEDMOVE_NONE && moveState != PEDMOVE_STILL) {
+			nearestPed = m_nearPeds[0];
+
+			if (nearestPed) {
+				if (nearestPed->m_nPedState != PED_DEAD && nearestPed != m_pSeekTarget && nearestPed != m_field_16C
+					&& (CPedType::ms_apPedType[nearestPed->m_nPedType]->m_Type.IntValue
+						& CPedType::ms_apPedType[this->m_nPedType]->m_Avoid.IntValue)) {
+
+					simplifiedAngle = RADTODEG(m_fRotationCur) / RADTODEG(1);
+					sinValue = -sin(simplifiedAngle);
+					cosValue = cos(simplifiedAngle);
+
+					// sin^2 + cos^2 must always return 1, and it does return... so what's the point?
+					someRate = 1.0f / sqrt(cosValue * cosValue + sinValue * sinValue);
+
+					// Further codes checks whether the distance between us and ped will be equal or below 1.0, if we walk up to him by 1.25 meters.
+					// If so, we want to avoid it, so we turn our body 45 degree and look to somewhere else.
+					someY = nearestPed->GetPosition().y
+						- (1.25 * (cosValue * someRate)
+							+ GetPosition().y);
+					someX = nearestPed->GetPosition().x
+						- (1.25 * (sinValue * someRate)
+							+ GetPosition().x);
+					someDistance = sqrt(someY * someY + someX * someX);
+
+					if (someDistance <= 1.0f && CPed::OurPedCanSeeThisOne((CEntity*)nearestPed)) {
+						m_nPedStateTimer = CTimer::GetTimeInMilliseconds()
+							+ 500 + (m_randomSeed + 3 * CTimer::GetFrameCounter())
+							% 1000 / 5;
+
+						m_fRotationDest += DEGTORAD(45.0f);
+						if (!m_ped_flagA10) {
+							CPed::SetLookFlag(nearestPed, 0);
+							CPed::SetLookTimer(CGeneral::GetRandomNumberInRange(0, 300) + 500);
+						}
+					}
+				}
+			}
+		}
+	}
+}
+
 STARTPATCHES
 	InjectHook(0x4CF8F0, &CPed::AddWeaponModel, PATCH_JUMP);
 	InjectHook(0x4C6AA0, &CPed::AimGun, PATCH_JUMP);
@@ -406,4 +465,5 @@ STARTPATCHES
 	InjectHook(0x4C63E0, (void (CPed::*)(float, bool)) &CPed::SetLookFlag, PATCH_JUMP);
 	InjectHook(0x4D12E0, &CPed::SetLookTimer, PATCH_JUMP);
 	InjectHook(0x4C5700, &CPed::OurPedCanSeeThisOne, PATCH_JUMP);
+	InjectHook(0x4D2BB0, &CPed::Avoid, PATCH_JUMP);
 ENDPATCHES

src/entities/Ped.h

@@ -97,7 +97,7 @@ public:
 	uint8 m_ped_flagA2 : 1;
 	uint8 m_ped_flagA4 : 1;
 	uint8 m_ped_flagA8 : 1;
-	uint8 m_ped_flagA10 : 1;
+	uint8 m_ped_flagA10 : 1;	// set when A20 just changed?
 	uint8 m_ped_flagA20_look : 1;
 	uint8 m_ped_flagA40 : 1;
 	uint8 m_ped_flagA80 : 1;
@@ -114,7 +114,7 @@ public:
 	uint8 m_ped_flagC4 : 1;
 	uint8 m_ped_flagC8 : 1;
 	uint8 m_ped_flagC10 : 1;
-	uint8 m_ped_flagC20 : 1;
+	uint8 m_ped_flagC20 : 1;	// just left some body part?
 	uint8 m_ped_flagC40 : 1;
 	uint8 m_ped_flagC80 : 1;
 	uint8 m_ped_flagD1 : 1;
@@ -166,7 +166,7 @@ public:
 	uint8 m_ped_flagI40 : 1;
 	uint8 m_ped_flagI80 : 1;
 	uint8 stuff10[15];
-	int32 m_field_16C;
+	CPed *m_field_16C;
 	uint8 stuff12[44];
 	int32 m_pEventEntity;
 	float m_fAngleToEvent;
@@ -198,7 +198,10 @@ public:
 	CPathNode *m_pLastPathNode;
 	float m_fHealth;
 	float m_fArmour;
-	uint8 stuff2[34];
+	uint8 stuff2[20];
+	float m_fRotationCur;
+	float m_fRotationDest;
+	uint8 stuff13[6];
 	CEntity *m_pCurrentPhysSurface;
 	CVector m_vecOffsetFromPhysSurface;
 	CEntity *m_pCurSurface;
@@ -249,6 +252,7 @@ public:
 	void RemoveBodyPart(PedNode nodeId, int8 unknown);
 	void SpawnFlyingComponent(int, int8 unknown);
 	bool OurPedCanSeeThisOne(CEntity* who);
+	void Avoid(void);
 	static RwObject *SetPedAtomicVisibilityCB(RwObject *object, void *data);
 	static RwFrame *RecurseFrameChildrenVisibilityCB(RwFrame *frame, void *data);