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-rw-r--r--src/peds/Population.cpp393
1 files changed, 393 insertions, 0 deletions
diff --git a/src/peds/Population.cpp b/src/peds/Population.cpp
new file mode 100644
index 00000000..e9fbbde1
--- /dev/null
+++ b/src/peds/Population.cpp
@@ -0,0 +1,393 @@
+#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 \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 14:09:18 +0100