3 files changed, 167 insertions, 1 deletions

diff --git a/src/core/Accident.cpp b/src/core/Accident.cpp
new file mode 100644
index 00000000..d8313ddc
--- /dev/null
+++ b/src/core/Accident.cpp
@@ -0,0 +1,134 @@
+#include "common.h"
+#include "patcher.h"
+#include "Accident.h"
+
+#include "Ped.h"
+#include "Pools.h"
+#include "World.h"
+
+CAccidentManager& gAccidentManager = *(CAccidentManager*)0x87FD10;
+
+CAccident*
+CAccidentManager::GetNextFreeAccident()
+{
+	for (int i = 0; i < NUM_ACCIDENTS; i++) {
+		if (m_aAccidents[i].m_pVictim == nil)
+			return &m_aAccidents[i];
+	}
+
+	return nil;
+}
+
+void
+CAccidentManager::ReportAccident(CPed *ped)
+{
+	if (!ped->IsPlayer() && ped->CharCreatedBy != MISSION_CHAR && !ped->bRenderScorched && !ped->bBodyPartJustCameOff && ped->bAllowMedicsToReviveMe && !ped->bIsInWater) {
+		for (int i = 0; i < NUM_ACCIDENTS; i++) {
+			if (m_aAccidents[i].m_pVictim != nil && m_aAccidents[i].m_pVictim == ped)
+				return;
+		}
+
+		if (ped->m_pCurrentPhysSurface == nil) {
+			CVector point = ped->GetPosition();
+			point.z -= 2.0f;
+
+			CColPoint colPoint;
+			CEntity *pEntity; 
+
+			if (!CWorld::ProcessVerticalLine(point, -100.0f, colPoint, pEntity, true, false, false, false, false, false, nil)) {
+				CAccident *accident = GetNextFreeAccident();
+				if (accident != nil) {
+					accident->m_pVictim = ped;
+					ped->RegisterReference((CEntity**)&accident->m_pVictim);
+					accident->m_nMedicsPerformingCPR = 0;
+					accident->m_nMedicsAttending = 0;
+					ped->m_lastAccident = accident;
+					WorkToDoForMedics();
+				}
+			}
+		}
+	}
+}
+
+void
+CAccidentManager::Update()
+{
+	int32 e;
+	if (CEventList::GetEvent(EVENT_INJURED_PED, &e)) {
+		CPed *ped = CPools::GetPed(gaEvent[e].entityRef);
+		if (ped) {
+			ReportAccident(ped);
+			CEventList::ClearEvent(e);
+		}
+	}
+}
+
+CAccident*
+CAccidentManager::FindNearestAccident(CVector vecPos, float *pDistance)
+{
+	for (int i = 0; i < MAX_MEDICS_TO_ATTEND_ACCIDENT; i++){
+		int accidentId = -1;
+		float minDistance = 999999;
+		for (int j = 0; j < NUM_ACCIDENTS; j++){
+			CPed* pVictim = m_aAccidents[j].m_pVictim;
+			if (!pVictim)
+				continue;
+			if (pVictim->CharCreatedBy == MISSION_CHAR)
+				continue;
+			if (pVictim->m_fHealth != 0.0f)
+				continue;
+			if (m_aAccidents[j].m_nMedicsPerformingCPR != i)
+				continue;
+			float distance = (pVictim->GetPosition() - vecPos).Magnitude2D();
+			if (distance / 2 > pVictim->GetPosition().z - vecPos.z && distance < minDistance){
+				minDistance = distance;
+				accidentId = j;
+			}
+		}
+		*pDistance = minDistance;
+		if (accidentId != -1)
+			return &m_aAccidents[accidentId];
+	}
+	return nil;
+}
+
+uint16
+CAccidentManager::CountActiveAccidents()
+{
+	uint16 accidents = 0;
+	for (int i = 0; i < NUM_ACCIDENTS; i++) {
+		if (m_aAccidents[i].m_pVictim)
+			accidents++;
+	}
+	return accidents;
+}
+
+bool
+CAccidentManager::WorkToDoForMedics()
+{
+	for (int i = 0; i < NUM_ACCIDENTS; i++) {
+		if (m_aAccidents[i].m_pVictim != nil && m_aAccidents[i].m_nMedicsAttending < MAX_MEDICS_TO_ATTEND_ACCIDENT)
+			return true;
+	}
+	return false;
+}
+
+bool
+CAccidentManager::UnattendedAccidents()
+{
+	for (int i = 0; i < NUM_ACCIDENTS; i++) {
+		if (m_aAccidents[i].m_pVictim != nil && m_aAccidents[i].m_nMedicsAttending == 0)
+			return true;
+	}
+	return false;
+}
+
+STARTPATCHES
+	InjectHook(0x4565A0, &CAccidentManager::GetNextFreeAccident, PATCH_JUMP);
+	InjectHook(0x4565D0, &CAccidentManager::ReportAccident, PATCH_JUMP);
+	InjectHook(0x456710, &CAccidentManager::Update, PATCH_JUMP);
+	InjectHook(0x456760, &CAccidentManager::FindNearestAccident, PATCH_JUMP);
+	InjectHook(0x456880, &CAccidentManager::CountActiveAccidents, PATCH_JUMP);
+	InjectHook(0x4568A0, &CAccidentManager::WorkToDoForMedics, PATCH_JUMP);
+	InjectHook(0x4568D0, &CAccidentManager::UnattendedAccidents, PATCH_JUMP);
+ENDPATCHES
diff --git a/src/core/Accident.h b/src/core/Accident.h
new file mode 100644
index 00000000..69889645
--- /dev/null
+++ b/src/core/Accident.h
@@ -0,0 +1,32 @@
+#pragma once
+#include "common.h"
+#include "config.h"
+
+class CPed;
+
+class CAccident
+{
+public:
+	CPed *m_pVictim;
+	uint32 m_nMedicsAttending;
+	uint32 m_nMedicsPerformingCPR;
+	CAccident() : m_pVictim(nil), m_nMedicsAttending(0), m_nMedicsPerformingCPR(0) {}
+};
+
+class CAccidentManager
+{
+	CAccident m_aAccidents[NUM_ACCIDENTS];
+	enum {
+		MAX_MEDICS_TO_ATTEND_ACCIDENT = 2
+	};
+public:
+	CAccident *GetNextFreeAccident();
+	void ReportAccident(CPed *ped);
+	void Update();
+	CAccident *FindNearestAccident(CVector vecPos, float *pDistance);
+	uint16 CountActiveAccidents();
+	bool UnattendedAccidents();
+	bool WorkToDoForMedics();
+};
+
+extern CAccidentManager& gAccidentManager;
\ No newline at end of file
diff --git a/src/core/Game.cpp b/src/core/Game.cpp
index b2bac8dd..08751cf9 100644
--- a/src/core/Game.cpp
+++ b/src/core/Game.cpp
@@ -2,7 +2,7 @@
 #include "patcher.h"
 #include "Game.h"
 #include "main.h"
-#include "AccidentManager.h"
+#include "Accident.h"
 #include "Antennas.h"
 #include "Bridge.h"
 #include "Camera.h"