Re3/src/peds/Population.cpp

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2020-02-15 21:15:58 -05:00
#include "common.h"
#include "patcher.h"
#include "Game.h"
#include "General.h"
#include "World.h"
#include "Population.h"
#include "FileMgr.h"
#include "Gangs.h"
#include "ModelIndices.h"
#include "Zones.h"
#include "Ped.h"
// TO-DO: These are hard-coded, reverse them.
// More clearly they're transition areas between zones.
RegenerationPoint (&aSafeZones)[8] = *(RegenerationPoint(*)[8]) * (uintptr*)0x5FA578;
PedGroup (&CPopulation::ms_pPedGroups)[NUMPEDGROUPS] = *(PedGroup(*)[NUMPEDGROUPS]) * (uintptr*)0x6E9248;
bool &CPopulation::ms_bGivePedsWeapons = *(bool*)0x95CCF6;
int32 &CPopulation::m_AllRandomPedsThisType = *(int32*)0x5FA570;
float &CPopulation::PedDensityMultiplier = *(float*)0x5FA56C;
uint32 &CPopulation::ms_nTotalMissionPeds = *(uint32*)0x8F5F70;
int32 &CPopulation::MaxNumberOfPedsInUse = *(int32*)0x5FA574;
uint32& CPopulation::ms_nNumCivMale = *(uint32*)0x8F2548;
uint32& CPopulation::ms_nNumCivFemale = *(uint32*)0x8F5F44;
uint32& CPopulation::ms_nNumCop = *(uint32*)0x885AFC;
bool& CPopulation::bZoneChangeHasHappened = *(bool*)0x95CD79;
uint32& CPopulation::ms_nNumEmergency = *(uint32*)0x94071C;
uint32& CPopulation::m_CountDownToPedsAtStart = *(uint32*)0x95CD4F;
uint32& CPopulation::ms_nNumGang1 = *(uint32*)0x8F1B1C;
uint32& CPopulation::ms_nNumGang2 = *(uint32*)0x8F1B14;
uint32& CPopulation::ms_nTotalPeds = *(uint32*)0x95CB50;
uint32& CPopulation::ms_nNumGang3 = *(uint32*)0x8F2548;
uint32& CPopulation::ms_nTotalGangPeds = *(uint32*)0x885AF0;
uint32& CPopulation::ms_nNumGang4 = *(uint32*)0x8F1B2C;
uint32& CPopulation::ms_nTotalCivPeds = *(uint32*)0x8F2C3C;
uint32& CPopulation::ms_nNumGang5 = *(uint32*)0x8F1B30;
uint32& CPopulation::ms_nNumDummy = *(uint32*)0x8F1A98;
uint32& CPopulation::ms_nNumGang6 = *(uint32*)0x8F1B20;
uint32& CPopulation::ms_nNumGang9 = *(uint32*)0x8F1B10;
uint32& CPopulation::ms_nNumGang7 = *(uint32*)0x8F1B28;
uint32& CPopulation::ms_nNumGang8 = *(uint32*)0x8F1B0C;
CVector &CPopulation::RegenerationPoint_a = *(CVector*)0x8E2AA4;
CVector &CPopulation::RegenerationPoint_b = *(CVector*)0x8E2A98;
CVector &CPopulation::RegenerationForward = *(CVector*)0x8F1AD4;
WRAPPER void CPopulation::Update(void) { EAXJMP(0x4F39A0); }
WRAPPER CPed *CPopulation::AddPedInCar(CVehicle *vehicle) { EAXJMP(0x4F5800); }
WRAPPER bool CPopulation::IsPointInSafeZone(CVector *coors) { EAXJMP(0x4F60C0); }
void
CPopulation::Initialise()
{
debug("Initialising CPopulation...\n");
ms_nNumCivMale = 0;
ms_nNumCivFemale = 0;
ms_nNumCop = 0;
ms_nNumEmergency = 0;
ms_nNumGang1 = 0;
ms_nNumGang2 = 0;
ms_nNumGang3 = 0;
ms_nNumGang4 = 0;
ms_nNumGang5 = 0;
ms_nNumGang6 = 0;
ms_nNumGang7 = 0;
ms_nNumGang8 = 0;
ms_nNumGang9 = 0;
ms_nNumDummy = 0;
m_AllRandomPedsThisType = -1;
PedDensityMultiplier = 1.0;
bZoneChangeHasHappened = false;
m_CountDownToPedsAtStart = 2;
ms_nTotalMissionPeds = 0;
ms_nTotalPeds = 0;
ms_nTotalGangPeds = 0;
ms_nTotalCivPeds = 0;
LoadPedGroups();
DealWithZoneChange(LEVEL_COMMERCIAL, LEVEL_INDUSTRIAL, true);
debug("CPopulation ready\n");
}
void
CPopulation::RemovePed(CPed *ent)
{
// CPed dtor already does that
// CWorld::Remove((CEntity*)ent);
delete ent;
}
int32
CPopulation::ChooseCivilianOccupation(int32 group)
{
return ms_pPedGroups[group].models[CGeneral::GetRandomNumberInRange(0, NUMMODELSPERPEDGROUP)];
}
int32
CPopulation::ChoosePolicePedOccupation()
{
CGeneral::GetRandomNumber();
return 0;
}
void
CPopulation::LoadPedGroups()
{
int fd;
char line[1024];
int nextPedGroup = 0;
// char unused[16]; // non-existence of that in mobile kinda verifies that
char modelName[256];
CFileMgr::ChangeDir("\\DATA\\");
fd = CFileMgr::OpenFile("PEDGRP.DAT", "r");
CFileMgr::ChangeDir("\\");
while (CFileMgr::ReadLine(fd, line, sizeof(line))) {
int end;
// find end of line
for (end = 0; ; end++) {
if (line[end] == '\n')
break;
if (line[end] == ',' || line[end] == '\r')
line[end] = ' ';
}
line[end] = '\0';
int cursor = 0;
int i;
for (i = 0; i < NUMMODELSPERPEDGROUP; i++) {
while (line[cursor] <= ' ' && line[cursor] != '\0')
++cursor;
if (line[cursor] == '#')
break;
// find next whitespace
int nextWhitespace;
for (nextWhitespace = cursor; line[nextWhitespace] > ' '; ++nextWhitespace)
;
if (cursor == nextWhitespace)
break;
// read until next whitespace
strncpy(modelName, &line[cursor], nextWhitespace - cursor);
modelName[nextWhitespace - cursor] = '\0';
CModelInfo::GetModelInfo(modelName, &ms_pPedGroups[nextPedGroup].models[i]);
cursor = nextWhitespace;
}
if (i == NUMMODELSPERPEDGROUP)
nextPedGroup++;
}
CFileMgr::CloseFile(fd);
}
void
CPopulation::UpdatePedCount(ePedType pedType, bool decrease)
{
if (decrease) {
switch (pedType) {
case PEDTYPE_PLAYER1:
case PEDTYPE_PLAYER2:
case PEDTYPE_PLAYER3:
case PEDTYPE_PLAYER4:
case PEDTYPE_UNUSED1:
case PEDTYPE_SPECIAL:
return;
case PEDTYPE_CIVMALE:
--ms_nNumCivMale;
break;
case PEDTYPE_CIVFEMALE:
--ms_nNumCivFemale;
break;
case PEDTYPE_COP:
--ms_nNumCop;
break;
case PEDTYPE_GANG1:
--ms_nNumGang1;
break;
case PEDTYPE_GANG2:
--ms_nNumGang2;
break;
case PEDTYPE_GANG3:
--ms_nNumGang3;
break;
case PEDTYPE_GANG4:
--ms_nNumGang4;
break;
case PEDTYPE_GANG5:
--ms_nNumGang5;
break;
case PEDTYPE_GANG6:
--ms_nNumGang6;
break;
case PEDTYPE_GANG7:
--ms_nNumGang7;
break;
case PEDTYPE_GANG8:
--ms_nNumGang8;
break;
case PEDTYPE_GANG9:
--ms_nNumGang9;
break;
case PEDTYPE_EMERGENCY:
case PEDTYPE_FIREMAN:
--ms_nNumEmergency;
break;
case PEDTYPE_CRIMINAL:
--ms_nNumCivMale;
break;
case PEDTYPE_PROSTITUTE:
--ms_nNumCivFemale;
break;
case PEDTYPE_UNUSED2:
--ms_nNumDummy;
break;
default:
Error("Unknown ped type, UpdatePedCount, Population.cpp");
break;
}
} else {
switch (pedType) {
case PEDTYPE_PLAYER1:
case PEDTYPE_PLAYER2:
case PEDTYPE_PLAYER3:
case PEDTYPE_PLAYER4:
case PEDTYPE_UNUSED1:
case PEDTYPE_SPECIAL:
return;
case PEDTYPE_CIVMALE:
++ms_nNumCivMale;
break;
case PEDTYPE_CIVFEMALE:
++ms_nNumCivFemale;
break;
case PEDTYPE_COP:
++ms_nNumCop;
break;
case PEDTYPE_GANG1:
++ms_nNumGang1;
break;
case PEDTYPE_GANG2:
++ms_nNumGang2;
break;
case PEDTYPE_GANG3:
++ms_nNumGang3;
break;
case PEDTYPE_GANG4:
++ms_nNumGang4;
break;
case PEDTYPE_GANG5:
++ms_nNumGang5;
break;
case PEDTYPE_GANG6:
++ms_nNumGang6;
break;
case PEDTYPE_GANG7:
++ms_nNumGang7;
break;
case PEDTYPE_GANG8:
++ms_nNumGang8;
break;
case PEDTYPE_GANG9:
++ms_nNumGang9;
break;
case PEDTYPE_EMERGENCY:
case PEDTYPE_FIREMAN:
++ms_nNumEmergency;
break;
case PEDTYPE_CRIMINAL:
++ms_nNumCivMale;
break;
case PEDTYPE_PROSTITUTE:
++ms_nNumCivFemale;
break;
case PEDTYPE_UNUSED2:
++ms_nNumDummy;
break;
default:
Error("Unknown ped type, UpdatePedCount, Population.cpp");
break;
}
}
}
int
CPopulation::ChooseGangOccupation(int gangId)
{
int8 modelOverride = CGangs::GetGangPedModelOverride(gangId);
// All gangs have 2 models
int firstGangModel = 2 * gangId + MI_GANG01;
// GetRandomNumberInRange never returns max. value
if (modelOverride == -1)
return CGeneral::GetRandomNumberInRange(firstGangModel, firstGangModel + 2);
if (modelOverride != 0)
return firstGangModel + 1;
else
return firstGangModel;
}
void
CPopulation::DealWithZoneChange(eLevelName oldLevel, eLevelName newLevel, bool forceIndustrialZone)
{
bZoneChangeHasHappened = true;
CVector findSafeZoneAround;
int safeZone;
if (forceIndustrialZone) {
// Commercial to industrial transition area on Callahan Bridge
findSafeZoneAround.x = 690.0f;
findSafeZoneAround.y = -920.0f;
findSafeZoneAround.z = 42.0f;
} else {
findSafeZoneAround = FindPlayerCoors();
}
eLevelName level;
FindCollisionZoneForCoors(&findSafeZoneAround, &safeZone, &level);
// We aren't in a "safe zone", find closest one
if (safeZone < 0)
FindClosestZoneForCoors(&findSafeZoneAround, &safeZone, oldLevel, newLevel);
// No, there should be one!
if (safeZone < 0) {
if (newLevel == LEVEL_INDUSTRIAL) {
safeZone = 0;
} else if (newLevel == LEVEL_SUBURBAN) {
safeZone = 4;
}
}
if (aSafeZones[safeZone].srcLevel == newLevel) {
CPopulation::RegenerationPoint_a = aSafeZones[safeZone].srcPosA;
CPopulation::RegenerationPoint_b = aSafeZones[safeZone].srcPosB;
CPopulation::RegenerationForward = aSafeZones[safeZone].destPosA - aSafeZones[safeZone].srcPosA;
RegenerationForward.Normalise();
} else if (aSafeZones[safeZone].destLevel == newLevel) {
CPopulation::RegenerationPoint_a = aSafeZones[safeZone].destPosA;
CPopulation::RegenerationPoint_b = aSafeZones[safeZone].destPosB;
CPopulation::RegenerationForward = aSafeZones[safeZone].srcPosA - aSafeZones[safeZone].destPosA;
RegenerationForward.Normalise();
}
}
void
CPopulation::FindCollisionZoneForCoors(CVector *coors, int *safeZoneOut, eLevelName *levelOut)
{
*safeZoneOut = -1;
for (int i = 0; i < ARRAY_SIZE(aSafeZones); i++) {
if (coors->x > aSafeZones[i].x1 && coors->x < aSafeZones[i].x2) {
if (coors->y > aSafeZones[i].y1 && coors->y < aSafeZones[i].y2) {
if (coors->z > aSafeZones[i].z1 && coors->z < aSafeZones[i].z2)
*safeZoneOut = i;
}
}
}
// Then it's transition area
if (*safeZoneOut >= 0)
*levelOut = LEVEL_NONE;
else
*levelOut = CTheZones::GetLevelFromPosition(*coors);
}
void
CPopulation::FindClosestZoneForCoors(CVector *coors, int *safeZoneOut, eLevelName level1, eLevelName level2)
{
float minDist = 10000000.0f;
int closestSafeZone = -1;
for (int i = 0; i < ARRAY_SIZE(aSafeZones); i++) {
if ((level1 == aSafeZones[i].srcLevel || level1 == aSafeZones[i].destLevel) && (level2 == aSafeZones[i].srcLevel || level2 == aSafeZones[i].destLevel)) {
CVector2D safeZoneDistVec(coors->x - (aSafeZones[i].x1 + aSafeZones[i].x2) * 0.5f, coors->y - (aSafeZones[i].y1 + aSafeZones[i].y2) * 0.5f);
float safeZoneDist = safeZoneDistVec.Magnitude();
if (safeZoneDist < minDist) {
minDist = safeZoneDist;
closestSafeZone = i;
}
}
}
*safeZoneOut = closestSafeZone;
}
STARTPATCHES
InjectHook(0x4F3770, &CPopulation::Initialise, PATCH_JUMP);
InjectHook(0x4F5780, &CPopulation::ChooseGangOccupation, PATCH_JUMP);
InjectHook(0x4F6200, &CPopulation::DealWithZoneChange, PATCH_JUMP);
InjectHook(0x4F6010, &CPopulation::FindCollisionZoneForCoors, PATCH_JUMP);
ENDPATCHES