4 files changed, 277 insertions, 0 deletions

diff --git a/src/objects/Stinger.cpp b/src/objects/Stinger.cpp
new file mode 100644
index 00000000..d0e6919f
--- /dev/null
+++ b/src/objects/Stinger.cpp
@@ -0,0 +1,232 @@
+#include "common.h"
+#include "Stinger.h"
+#include "CopPed.h"
+#include "ModelIndices.h"
+#include "RpAnimBlend.h"
+#include "World.h"
+#include "Automobile.h"
+#include "Bike.h"
+#include "Particle.h"
+#include "AnimBlendAssociation.h"
+#include "General.h"
+
+uint32 NumOfStingerSegments;
+
+/* --  CStingerSegment  -- */
+
+CStingerSegment::CStingerSegment()
+{
+	m_fMass = 1.0f;
+	m_fTurnMass = 1.0f;
+	m_fAirResistance = 0.99999f;
+	m_fElasticity = 0.75f;
+	m_fBuoyancy = GRAVITY * m_fMass * 0.1f;
+	bExplosionProof = true;
+	SetModelIndex(MI_PLC_STINGER);
+	ObjectCreatedBy = ESCALATOR_OBJECT;
+	NumOfStingerSegments++;
+}
+
+CStingerSegment::~CStingerSegment()
+{
+	NumOfStingerSegments--;
+}
+
+/* --  CStinger  -- */
+
+CStinger::CStinger()
+{
+	bIsDeployed = false;
+}
+
+void
+CStinger::Init(CPed *pPed)
+{
+	int32 i;
+
+	pOwner = pPed;
+	for (i = 0; i < NUM_STINGER_SEGMENTS; i++) {
+		pSpikes[i] = new CStingerSegment;
+		pSpikes[i]->bUsesCollision = false;
+	}
+	bIsDeployed = true;
+	m_vPos = pPed->GetPosition();
+	m_fMax_Z = Atan2(-pPed->GetForward().x, pPed->GetForward().y) + HALFPI;
+
+	for (i = 0; i < NUM_STINGER_SEGMENTS; i++) {
+		pSpikes[i]->SetOrientation(0.0f, 0.0f, Atan2(-pPed->GetForward().x, pPed->GetForward().y));
+		pSpikes[i]->SetPosition(m_vPos);
+	}
+
+	CVector2D fwd2d(pPed->GetForward().x, pPed->GetForward().y);
+
+	for (i = 0; i < ARRAY_SIZE(m_vPositions); i++)
+		m_vPositions[i] = fwd2d * Sin(DEGTORAD(i));
+
+	m_nSpikeState = STINGERSTATE_NONE;
+	m_nTimeOfDeploy = CTimer::GetTimeInMilliseconds();
+}
+
+void
+CStinger::Remove()
+{
+	if (!bIsDeployed) return;
+
+	for (int32 i = 0; i < NUM_STINGER_SEGMENTS; i++) {
+		CStingerSegment *spikeSegment = pSpikes[i];
+		if (spikeSegment->m_entryInfoList.first != nil)
+			spikeSegment->bRemoveFromWorld = true;
+		else
+			delete spikeSegment;
+	}
+	bIsDeployed = false;
+}
+
+void
+CStinger::Deploy(CPed *pPed)
+{
+	if (NumOfStingerSegments < NUM_STINGER_SEGMENTS*2 && !pPed->bInVehicle && pPed->IsPedInControl()) {
+		if (!bIsDeployed && RpAnimBlendClumpGetAssociation(pPed->GetClump(), ANIM_WEAPON_THROWU) == nil) {
+			Init(pPed);
+			pPed->SetPedState(PED_DEPLOY_STINGER);
+			CAnimManager::AddAnimation(pPed->GetClump(), ASSOCGRP_STD, ANIM_WEAPON_THROWU);
+		}
+	}
+}
+
+void
+CStinger::CheckForBurstTyres()
+{
+	const CVector firstPos = pSpikes[0]->GetPosition();
+	const CVector lastPos = pSpikes[NUM_STINGER_SEGMENTS - 1]->GetPosition();
+	float dist = (lastPos - firstPos).Magnitude();
+	if (dist > 0.1f) return;
+
+	CVehicle *vehsInRange[16];
+	int16 numObjects;
+	CEntity entity;
+
+	CWorld::FindObjectsInRange((lastPos + firstPos) / 2.0f,
+		dist, true, &numObjects, 15, (CEntity**)vehsInRange,
+		false, true, false, false, false);
+
+	for (int32 i = 0; i < numObjects; i++) {
+		CAutomobile *pAutomobile = nil;
+		CBike *pBike = nil;
+
+		if (vehsInRange[i]->IsCar())
+			pAutomobile = (CAutomobile*)vehsInRange[i];
+		else if (vehsInRange[i]->IsBike())
+			pBike = (CBike*)vehsInRange[i];
+
+		if (pAutomobile == nil && pBike == nil) continue;
+
+		int wheelId = 0;
+		float wheelScaleSq = sq(((CVehicleModelInfo*)CModelInfo::GetModelInfo(vehsInRange[i]->GetModelIndex()))->m_wheelScale);
+
+		for (; wheelId < 4; wheelId++) {
+			if ((pAutomobile != nil && pAutomobile->m_aSuspensionSpringRatioPrev[wheelId] < 1.0f) ||
+				(pBike != nil && pBike->m_aSuspensionSpringRatioPrev[wheelId] < 1.0f))
+				break;
+		}
+
+		if (wheelId >= 4) continue;
+
+		CVector vecWheelPos;
+		if (pAutomobile != nil)
+			vecWheelPos = pAutomobile->m_aWheelColPoints[wheelId].point;
+		else if (pBike != nil)
+			vecWheelPos = pBike->m_aWheelColPoints[wheelId].point;
+
+		for (int32 spike = 0; spike < NUM_STINGER_SEGMENTS; spike++) {
+			if ((pSpikes[spike]->GetPosition() - vecWheelPos).Magnitude() < wheelScaleSq) {
+				if (pBike) {
+					if (wheelId < 2)
+						vehsInRange[i]->BurstTyre(CAR_PIECE_WHEEL_LF, true);
+					else
+						vehsInRange[i]->BurstTyre(CAR_PIECE_WHEEL_LR, true);
+				} else {
+					switch (wheelId) {
+					case 0: vehsInRange[i]->BurstTyre(CAR_PIECE_WHEEL_LF, true); break;
+					case 1: vehsInRange[i]->BurstTyre(CAR_PIECE_WHEEL_LR, true); break;
+					case 2: vehsInRange[i]->BurstTyre(CAR_PIECE_WHEEL_RF, true); break;
+					case 3: vehsInRange[i]->BurstTyre(CAR_PIECE_WHEEL_RR, true); break;
+					}
+				}
+				vecWheelPos.z += 0.15f; // BUG? doesn't that break the burst of other tires?
+				for (int j = 0; j < 4; j++)
+					CParticle::AddParticle(PARTICLE_BULLETHIT_SMOKE, vecWheelPos, vehsInRange[i]->GetRight() * 0.1f);
+			}
+		}
+	}
+}
+
+void
+CStinger::Process()
+{
+	switch (m_nSpikeState)
+	{
+	case STINGERSTATE_NONE:
+		if (pOwner != nil
+			&& !pOwner->bInVehicle
+			&& pOwner->GetPedState() == PED_DEPLOY_STINGER
+			&& RpAnimBlendClumpGetAssociation(pOwner->GetClump(), ANIM_WEAPON_THROWU)->currentTime > 0.39f)
+		{
+			m_nSpikeState = STINGERSTATE_DEPLOYING;
+			for (int i = 0; i < NUM_STINGER_SEGMENTS; i++)
+				CWorld::Add(pSpikes[i]);
+			pOwner->SetIdle();
+		}
+		break;
+	case STINGERSTATE_DEPLOYED:
+		if (pOwner != nil && pOwner->m_nPedType == PEDTYPE_COP)
+			((CCopPed*)pOwner)->m_bThrowsSpikeTrap = false;
+		break;
+	case STINGERSTATE_UNDEPLOYING:
+		if (CTimer::GetTimeInMilliseconds() > m_nTimeOfDeploy + 2500)
+			m_nSpikeState = STINGERSTATE_REMOVE;
+		// no break
+	case STINGERSTATE_DEPLOYING:
+		if (m_nSpikeState == STINGERSTATE_DEPLOYING && CTimer::GetTimeInMilliseconds() > m_nTimeOfDeploy + 2500)
+			m_nSpikeState = STINGERSTATE_DEPLOYED;
+		else {
+			float progress = (CTimer::GetTimeInMilliseconds() - m_nTimeOfDeploy) / 2500.0f;
+			if (m_nSpikeState != STINGERSTATE_DEPLOYING)
+				progress = 1.0f - progress;
+
+			float degangle = progress * ARRAY_SIZE(m_vPositions);
+			float angle1 = m_fMax_Z + DEGTORAD(degangle);
+			float angle2 = m_fMax_Z - DEGTORAD(degangle);
+			int pos = clamp(degangle, 0, ARRAY_SIZE(m_vPositions)-1);
+
+			CVector2D pos2d = m_vPositions[pos];
+			CVector pos3d = m_vPos;
+			CColPoint colPoint;
+			CEntity *pEntity;
+			if (CWorld::ProcessVerticalLine(CVector(pos3d.x, pos3d.y, pos3d.z - 10.0f), pos3d.z, colPoint, pEntity, true, false, false, false, true, false, nil))
+				pos3d.z = colPoint.point.z + 0.15f;
+
+			angle1 = CGeneral::LimitRadianAngle(angle1);
+			angle2 = CGeneral::LimitRadianAngle(angle2);
+
+			for (int spike = 0; spike < NUM_STINGER_SEGMENTS; spike++) {
+				if (CWorld::TestSphereAgainstWorld(pos3d + CVector(pos2d.x, pos2d.y, 0.6f), 0.3f, nil, true, false, false, true, false, false))
+					pos2d = CVector2D(0.0f, 0.0f);
+
+				if (spike % 2 == 0) {
+					pSpikes[spike]->SetOrientation(0.0f, 0.0f, angle1);
+					pos3d.x += pos2d.x;
+					pos3d.y += pos2d.y;
+				} else {
+					pSpikes[spike]->SetOrientation(0.0f, 0.0f, angle2);
+				}
+				pSpikes[spike]->SetPosition(pos3d);
+			}
+		}
+		break;
+	case STINGERSTATE_REMOVE:
+		Remove();
+		break;
+	}
+	CheckForBurstTyres();
+}
\ No newline at end of file
diff --git a/src/objects/Stinger.h b/src/objects/Stinger.h
new file mode 100644
index 00000000..d1b57ce7
--- /dev/null
+++ b/src/objects/Stinger.h
@@ -0,0 +1,40 @@
+#pragma once
+
+#include "Object.h"
+
+class CStingerSegment : public CObject
+{
+public:
+	CStingerSegment();
+	~CStingerSegment();
+};
+
+#define NUM_STINGER_SEGMENTS (12)
+
+class CStinger
+{
+	enum {
+		STINGERSTATE_NONE = 0,
+		STINGERSTATE_DEPLOYING,
+		STINGERSTATE_DEPLOYED,
+		STINGERSTATE_UNDEPLOYING,
+		STINGERSTATE_REMOVE,
+	};
+
+	bool bIsDeployed;
+	uint32 m_nTimeOfDeploy;
+	CVector m_vPos;
+	float m_fMax_Z;
+	float m_fMin_Z;
+	CVector2D m_vPositions[60];
+	CStingerSegment *pSpikes[NUM_STINGER_SEGMENTS];
+	class CPed *pOwner;
+	uint8 m_nSpikeState;
+public:
+	CStinger();
+	void Init(CPed *pPed);
+	void Remove();
+	void Deploy(CPed *pPed);
+	void CheckForBurstTyres();
+	void Process();
+};
\ No newline at end of file
diff --git a/src/peds/CopPed.cpp b/src/peds/CopPed.cpp
index 6c9eb276..8dd517a2 100644
--- a/src/peds/CopPed.cpp
+++ b/src/peds/CopPed.cpp
@@ -18,6 +18,7 @@
 #include "Camera.h"
 #include "PedPlacement.h"
 #include "Ropes.h"
+#include "Stinger.h"
 
 CCopPed::CCopPed(eCopType copType, int32 modifier) : CPed(PEDTYPE_COP)
 {
@@ -92,6 +93,7 @@ CCopPed::CCopPed(eCopType copType, int32 modifier) : CPed(PEDTYPE_COP)
 	m_nHassleTimer = 0;
 	field_61C = 0;
 	field_624 = 0;
+	m_pStinger = new CStinger;
 	if (m_pPointGunAt)
 		m_pPointGunAt->CleanUpOldReference((CEntity**)&m_pPointGunAt);
 	m_pPointGunAt = nil;
@@ -100,6 +102,8 @@ CCopPed::CCopPed(eCopType copType, int32 modifier) : CPed(PEDTYPE_COP)
 CCopPed::~CCopPed()
 {
 	ClearPursuit();
+	m_pStinger->Remove();
+	delete m_pStinger;
 }
 
 // --MIAMI: Done
diff --git a/src/peds/CopPed.h b/src/peds/CopPed.h
index edec145e..35244bed 100644
--- a/src/peds/CopPed.h
+++ b/src/peds/CopPed.h
@@ -30,6 +30,7 @@ public:
 	uintptr m_nRopeID;
 	uint32 m_nHassleTimer;
 	uint32 field_61C;
+	class CStinger *m_pStinger;
 	int32 field_624;
 	int8 field_628;