Peds

src/core/EventList.h

@@ -22,13 +22,12 @@ enum eEventType
 	EVENT_PED_SET_ON_FIRE,
 	EVENT_COP_SET_ON_FIRE,
 	EVENT_CAR_SET_ON_FIRE,
-	EVENT_ASSAULT_NASTYWEAPON,
+	EVENT_ASSAULT_NASTYWEAPON, // not sure
-	EVENT_ASSAULT_NASTYWEAPON_POLICE,
 	EVENT_ICECREAM,
 	EVENT_ATM,
-	EVENT_SHOPSTALL,
+	EVENT_SHOPSTALL, // used on graffitis
 	EVENT_SHOPWINDOW,
-	EVENT_LAST_EVENT
+	EVENT_LAST_EVENT // may be above one
 };
 
 enum eEventEntity

src/math/Matrix.h

@@ -212,6 +212,7 @@ public:
 	}
 	void SetRotate(float xAngle, float yAngle, float zAngle);
 	void Rotate(float x, float y, float z);
+	void RotateX(float x);
 
 	void Reorthogonalise(void);
 	void CopyOnlyMatrix(CMatrix *other){

src/math/math.cpp

@@ -40,6 +40,12 @@ CMatrix::Rotate(float x, float y, float z)
 	*this = rot * *this;
 }
 
+void
+CMatrix::RotateX(float x)
+{
+	Rotate(x, 0.0f, 0.0f);
+}
+
 void
 CMatrix::Reorthogonalise(void)
 {

src/peds/Ped.h

@@ -11,6 +11,7 @@
 #include "WeaponInfo.h"
 #include "Fire.h"
 #include "DMAudio.h"
+#include "EventList.h"
 
 struct CPathNode;
 
@@ -258,7 +259,7 @@ public:
 	uint8 bIsAttacking : 1;		// doesn't reset after fist fight, also stores (CTimer::GetTimeInMilliseconds() < m_lastHitTime)
 	uint8 bIsPointingGunAt : 1;
 	uint8 bIsLooking : 1;
-	uint8 m_ped_flagA20 : 1;	// "look" method? - probably missing in SA
+	uint8 bKeepTryingToLook : 1; // if we can't look somewhere due to unreachable angles
 	uint8 bIsRestoringLook : 1;
 	uint8 bIsAimingGun : 1;
 
@@ -278,10 +279,10 @@ public:
 	uint8 bUpdateAnimHeading : 1;
 	uint8 bBodyPartJustCameOff : 1;
 	uint8 m_ped_flagC40 : 1;
-	uint8 m_ped_flagC80 : 1;
+	uint8 bFindNewNodeAfterStateRestore : 1;
 
-	uint8 m_ped_flagD1 : 1;
+	uint8 m_ped_flagD1 : 1;	// so far only used for reaction type to fire/explosion
-	uint8 m_ped_flagD2 : 1; // seen an event
+	uint8 m_ped_flagD2 : 1; // set when event has been seen
 	uint8 m_ped_flagD4 : 1;
 	uint8 m_ped_flagD8 : 1;
 	uint8 bIsPedDieAnimPlaying : 1;
@@ -303,7 +304,7 @@ public:
 	uint8 m_ped_flagF4 : 1;
 	uint8 m_ped_flagF8 : 1;
 	uint8 bWillBeQuickJacked : 1;
-	uint8 m_ped_flagF20 : 1;
+	uint8 m_ped_flagF20 : 1; // set when couldn't open locked car door
 	uint8 m_ped_flagF40 : 1;
 	uint8 bDuckAndCover : 1;
 
@@ -329,7 +330,7 @@ public:
 	uint8 bNoCriticalHits : 1; // if set, limbs won't came off
 	uint8 m_ped_flagI4 : 1;
 	uint8 bHasAlreadyBeenRecorded : 1;
-	uint8 bIsFell : 1;
+	uint8 bFallenDown : 1;
 	uint8 m_ped_flagI20 : 1;
 	uint8 m_ped_flagI40 : 1;
 	uint8 m_ped_flagI80 : 1;
@@ -367,7 +368,7 @@ public:
 	int32 m_nPrevMoveState;
 	eWaitState m_nWaitState;
 	uint32 m_nWaitTimer;
-	void *m_pPathNodesStates[8]; // seems unused
+	void *m_pPathNodesStates[8]; // seems unused, probably leftover from VC
 	CVector2D m_stPathNodeStates[10];
 	uint16 m_nPathNodes;
 	int16 m_nCurPathNode;
@@ -601,7 +602,7 @@ public:
 	void LineUpPedWithTrain(void);
 	void ExitCar(void);
 	void Fight(void);
-	bool FindBestCoordsFromNodes(CVector unused, CVector* a6);
+	bool FindBestCoordsFromNodes(CVector, CVector*);
 	void Wait(void);
 	void ProcessObjective(void);
 	bool SeekFollowingPath(CVector*);
@@ -614,13 +615,20 @@ public:
 	uint8 GetPedRadioCategory(uint32);
 	int GetWeaponSlot(eWeaponType);
 	void GoToNearestDoor(CVehicle*);
-	bool HaveReachedNextPointOnRoute(float a2);
+	bool HaveReachedNextPointOnRoute(float);
 	void Idle(void);
 	void InTheAir(void);
 	void SetLanding(void);
 	void InvestigateEvent(void);
 	bool IsPedDoingDriveByShooting(void);
 	bool IsRoomToBeCarJacked(void);
+	void SetInvestigateEvent(eEventType, CVector2D, float, uint16, float);
+	bool LookForInterestingNodes(void);
+	void LookForSexyCars(void);
+	void LookForSexyPeds(void);
+	void Mug(void);
+	void MoveHeadToLook(void);
+	void Pause(void);
 
 	// Static methods
 	static CVector GetLocalPositionToOpenCarDoor(CVehicle *veh, uint32 component, float offset);

src/peds/PedIK.cpp

@@ -2,14 +2,16 @@
 #include "patcher.h"
 #include "PedIK.h"
 #include "Ped.h"
+#include "General.h"
 
 WRAPPER bool CPedIK::PointGunInDirection(float phi, float theta) { EAXJMP(0x4ED9B0); }
 WRAPPER bool CPedIK::PointGunAtPosition(CVector *position) { EAXJMP(0x4ED920); }
 WRAPPER void CPedIK::ExtractYawAndPitchLocal(RwMatrixTag*, float*, float*) { EAXJMP(0x4ED2C0); }
 WRAPPER void CPedIK::ExtractYawAndPitchWorld(RwMatrixTag*, float*, float*) { EAXJMP(0x4ED140); }
 
-// TODO: Hardcoded into exe, reverse it.
+// TODO: These are hardcoded into exe, reverse it.
 LimbMovementInfo &CPedIK::ms_torsoInfo = *(LimbMovementInfo*)0x5F9F8C;
+LimbMovementInfo &CPedIK::ms_headInfo = *(LimbMovementInfo*)0x5F9F5C;
 
 CPedIK::CPedIK(CPed *ped)
 {
@@ -105,10 +107,10 @@ CPedIK::GetWorldMatrix(RwFrame *source, RwMatrix *destination)
 	return destination;
 }
 
-uint32
+LimbMoveStatus
 CPedIK::MoveLimb(LimbOrientation &limb, float approxPhi, float approxTheta, LimbMovementInfo &moveInfo)
 {
-	int result = 1;
+	LimbMoveStatus result = ONE_ANGLE_COULDNT_BE_SET_EXACTLY;
 
 	// phi
 
@@ -120,11 +122,12 @@ CPedIK::MoveLimb(LimbOrientation &limb, float approxPhi, float approxTheta, Limb
 
 	if (Abs(limb.phi - approxPhi) < moveInfo.yawD) {
 		limb.phi = approxPhi;
-		result = 2;
+		result = ANGLES_SET_EXACTLY;
 	}
+
 	if (limb.phi > moveInfo.maxYaw || limb.phi < moveInfo.minYaw) {
 		limb.phi = clamp(limb.phi, moveInfo.minYaw, moveInfo.maxYaw);
-		result = 0;
+		result = ANGLES_SET_TO_MAX;
 	}
 
 	// theta
@@ -138,11 +141,11 @@ CPedIK::MoveLimb(LimbOrientation &limb, float approxPhi, float approxTheta, Limb
 	if (Abs(limb.theta - approxTheta) < moveInfo.pitchD)
 		limb.theta = approxTheta;
 	else
-		result = 1;
+		result = ONE_ANGLE_COULDNT_BE_SET_EXACTLY;
 
 	if (limb.theta > moveInfo.maxPitch || limb.theta < moveInfo.minPitch) {
 		limb.theta = clamp(limb.theta, moveInfo.minPitch, moveInfo.maxPitch);
-		result = 0;
+		result = ANGLES_SET_TO_MAX;
 	}
 	return result;
 }
@@ -150,9 +153,71 @@ CPedIK::MoveLimb(LimbOrientation &limb, float approxPhi, float approxTheta, Limb
 bool
 CPedIK::RestoreGunPosn(void)
 {
-	int limbStatus = MoveLimb(m_torsoOrient, 0.0f, 0.0f, ms_torsoInfo);
+	LimbMoveStatus limbStatus = MoveLimb(m_torsoOrient, 0.0f, 0.0f, ms_torsoInfo);
 	RotateTorso(m_ped->m_pFrames[PED_MID], &m_torsoOrient, false);
-	return limbStatus == 2;
+	return limbStatus == ANGLES_SET_EXACTLY;
+}
+
+bool
+CPedIK::LookInDirection(float phi, float theta)
+{
+	bool success = true;
+	AnimBlendFrameData *frameData = m_ped->m_pFrames[PED_HEAD];
+	RwFrame *frame = frameData->frame;
+	RwMatrix *frameMat = RwFrameGetMatrix(frame);
+
+	if (!(frameData->flag & AnimBlendFrameData::IGNORE_ROTATION)) {
+		frameData->flag |= AnimBlendFrameData::IGNORE_ROTATION;
+		CPedIK::ExtractYawAndPitchLocal(frameMat, &m_headOrient.phi, &m_headOrient.theta);
+	}
+
+	RwMatrix *worldMat = RwMatrixCreate();
+	worldMat = CPedIK::GetWorldMatrix(RwFrameGetParent(frame), worldMat);
+
+	float alpha, beta;
+	CPedIK::ExtractYawAndPitchWorld(worldMat, &alpha, &beta);
+	RwMatrixDestroy(worldMat);
+
+	alpha += m_torsoOrient.phi;
+	float neededPhiTurn = CGeneral::LimitRadianAngle(phi - alpha);
+	beta *= cos(neededPhiTurn);
+
+	float neededThetaTurn = CGeneral::LimitRadianAngle(theta - beta);
+	LimbMoveStatus headStatus = CPedIK::MoveLimb(m_headOrient, neededPhiTurn, neededThetaTurn, ms_headInfo);
+	if (headStatus == ANGLES_SET_TO_MAX)
+		success = false;
+
+	if (headStatus != ANGLES_SET_EXACTLY && !(m_flags & LOOKING)) {
+		float remainingTurn = CGeneral::LimitRadianAngle(phi - m_ped->m_fRotationCur);
+		if (CPedIK::MoveLimb(m_torsoOrient, remainingTurn, theta, ms_torsoInfo))
+			success = true;
+	}
+	CMatrix nextFrame = CMatrix(frameMat);
+	CVector framePos = nextFrame.GetPosition();
+
+	nextFrame.SetRotateZ(m_headOrient.theta);
+	nextFrame.RotateX(m_headOrient.phi);
+	nextFrame.GetPosition() += framePos;
+	nextFrame.UpdateRW();
+
+	if (!(m_flags & LOOKING))
+		RotateTorso(m_ped->m_pFrames[PED_MID], &m_torsoOrient, false);
+
+	return success;
+}
+
+bool
+CPedIK::LookAtPosition(CVector const &pos)
+{
+	float phiToFace = CGeneral::GetRadianAngleBetweenPoints(
+		pos.x, pos.y,
+		m_ped->GetPosition().x, m_ped->GetPosition().y);
+
+	float thetaToFace = CGeneral::GetRadianAngleBetweenPoints(
+		pos.z, (m_ped->GetPosition() - pos).Magnitude2D(),
+		m_ped->GetPosition().z, 0.0f);
+
+	return LookInDirection(phiToFace, thetaToFace);
 }
 
 STARTPATCHES
@@ -161,4 +226,6 @@ STARTPATCHES
 	InjectHook(0x4EDDB0, &CPedIK::RotateTorso, PATCH_JUMP);
 	InjectHook(0x4ED440, &CPedIK::MoveLimb, PATCH_JUMP);
 	InjectHook(0x4EDD70, &CPedIK::RestoreGunPosn, PATCH_JUMP);
+	InjectHook(0x4ED620, &CPedIK::LookInDirection, PATCH_JUMP);
+	InjectHook(0x4ED590, &CPedIK::LookAtPosition, PATCH_JUMP);
 ENDPATCHES

src/peds/PedIK.h

@@ -18,16 +18,21 @@ struct LimbMovementInfo {
 	float pitchD;
 };
 
+enum LimbMoveStatus {
+	ANGLES_SET_TO_MAX, // because given angles were unreachable
+	ONE_ANGLE_COULDNT_BE_SET_EXACTLY, // because it can't be reached in a jiffy
+	ANGLES_SET_EXACTLY
+};
+
 class CPed;
 
 class CPedIK
 {
 public:
-	// TODO
 	enum {
 		FLAG_1 = 1,
-		FLAG_2 = 2,	// related to looking somewhere
+		LOOKING = 2,
-		FLAG_4 = 4,	// aims with arm
+		AIMS_WITH_ARM = 4,
 	};
 
 	CPed *m_ped;
@@ -38,6 +43,7 @@ public:
 	int32 m_flags;
 
 	static LimbMovementInfo &ms_torsoInfo;
+	static LimbMovementInfo &ms_headInfo;
 
 	CPedIK(CPed *ped);
 	bool PointGunInDirection(float phi, float theta);
@@ -47,7 +53,9 @@ public:
 	void RotateTorso(AnimBlendFrameData* animBlend, LimbOrientation* limb, bool changeRoll);
 	void ExtractYawAndPitchLocal(RwMatrixTag*, float*, float*);
 	void ExtractYawAndPitchWorld(RwMatrixTag*, float*, float*);
-	uint32 MoveLimb(LimbOrientation &a1, float a2, float a3, LimbMovementInfo &a4);
+	LimbMoveStatus MoveLimb(LimbOrientation &a1, float a2, float a3, LimbMovementInfo &a4);
 	bool RestoreGunPosn(void);
+	bool LookInDirection(float phi, float theta);
+	bool LookAtPosition(CVector const& pos);
 };
 static_assert(sizeof(CPedIK) == 0x28, "CPedIK: error");

src/peds/PlayerPed.cpp

@@ -57,8 +57,8 @@ CPlayerPed::CPlayerPed(void) : CPed(PEDTYPE_PLAYER1)
 
 void CPlayerPed::ClearWeaponTarget()
 {
-	if (!m_nPedType) {
+	if (m_nPedType == PEDTYPE_PLAYER1) {
-		m_pPointGunAt = 0;
+		m_pPointGunAt = nil;
 		TheCamera.ClearPlayerWeaponMode();
 		CWeaponEffects::ClearCrosshair();
 	}
@@ -79,12 +79,12 @@ CPlayerPed::SetWantedLevelNoDrop(int32 level)
 
 // I don't know the actual purpose of parameter
 void
-CPlayerPed::AnnoyPlayerPed(bool itsPolice)
+CPlayerPed::AnnoyPlayerPed(bool annoyedByPassingEntity)
 {
 	if (m_pedStats->m_temper < 52) {
 		m_pedStats->m_temper++;
 	} else {
-		if (itsPolice) {
+		if (annoyedByPassingEntity) {
 			if (m_pedStats->m_temper < 55) {
 				m_pedStats->m_temper++;
 			} else {