From a073dda5ecdbf3342378384648453108ad793d87 Mon Sep 17 00:00:00 2001
From: aap <aap@papnet.eu>
Date: Sun, 3 May 2020 17:44:10 +0200
Subject: GTA_ZONECULL define

---
 src/core/Game.cpp     |  6 ++++++
 src/core/ZoneCull.cpp | 19 ++++++++++++++++---
 src/core/config.h     |  1 +
 3 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/src/core/Game.cpp b/src/core/Game.cpp
index 3053c761..0e618c84 100644
--- a/src/core/Game.cpp
+++ b/src/core/Game.cpp
@@ -387,7 +387,9 @@ bool CGame::Initialise(const char* datFile)
 	LoadingScreen("Loading the Game", "Position dynamic objects", nil);
 	CWorld::RepositionCertainDynamicObjects();
 	LoadingScreen("Loading the Game", "Initialise vehicle paths", nil);
+#ifdef GTA_ZONECULL
 	CCullZones::ResolveVisibilities();
+#endif
 	CTrain::InitTrains();
 	CPlane::InitPlanes();
 	CCredits::Init();
@@ -504,7 +506,9 @@ void CGame::ReInitGameObjectVariables(void)
 	CSpecialFX::Init();
 	CWaterCannons::Init();
 	CParticle::ReloadConfig();
+#ifdef GTA_ZONECULL
 	CCullZones::ResolveVisibilities();
+#endif
 
 	if ( !FrontEndMenuManager.m_bWantToLoad )
 	{
@@ -537,7 +541,9 @@ void CGame::ReloadIPLs(void)
 	CCranes::InitCranes();
 	CGarages::Init();
 	CWorld::RepositionCertainDynamicObjects();
+#ifdef GTA_ZONECULL
 	CCullZones::ResolveVisibilities();
+#endif
 	CRenderer::SortBIGBuildings();
 	CTimer::Update();
 }
diff --git a/src/core/ZoneCull.cpp b/src/core/ZoneCull.cpp
index 5ce18a4d..1e9c00f0 100644
--- a/src/core/ZoneCull.cpp
+++ b/src/core/ZoneCull.cpp
@@ -34,20 +34,23 @@ CCullZones::Init(void)
 	int i;
 
 	NumAttributeZones = 0;
-	NumCullZones = 0;
 	CurrentWantedLevelDrop_Player = 0;
 	CurrentFlags_Camera = 0;
 	CurrentFlags_Player = 0;
+	bCurrentSubwayIsInvisible = false;
+#ifdef GTA_ZONECULL
+	NumCullZones = 0;
 	OldCullZone = -1;
 	EntityIndicesUsed = 0;
-	bCurrentSubwayIsInvisible = false;
 
 	for(i = 0; i < NUMBUILDINGS; i++)
 		aPointersToBigBuildingsForBuildings[i] = -1;
 	for(i = 0; i < NUMTREADABLES; i++)
 		aPointersToBigBuildingsForTreadables[i] = -1;
+#endif
 }
 
+#ifdef GTA_ZONECULL
 bool CCullZone::TestLine(CVector vec1, CVector vec2)
 {
 	CColPoint colPoint;
@@ -213,6 +216,7 @@ CCullZones::DoVisibilityTestCullZone(int zoneId, bool doIt)
 		}
 	}
 }
+#endif
 
 void
 CCullZones::Update(void)
@@ -225,8 +229,10 @@ CCullZones::Update(void)
 	switch(CTimer::GetFrameCounter() & 7){
 	case 0:
 	case 4:
+#ifdef GTA_ZONECULL
 		/* Update Cull zone */
 		ForceCullZoneCoors(TheCamera.GetGameCamPosition());
+#endif
 		break;
 
 	case 2:
@@ -250,6 +256,7 @@ CCullZones::Update(void)
 void
 CCullZones::ForceCullZoneCoors(CVector coors)
 {
+#ifdef GTA_ZONECULL
 	int32 z;
 	z = FindCullZoneForCoors(coors);
 	if(z != OldCullZone){
@@ -259,8 +266,10 @@ CCullZones::ForceCullZoneCoors(CVector coors)
 			aZones[z].DoStuffEnteringZone();
 		OldCullZone = z;
 	}
+#endif
 }
 
+#ifdef GTA_ZONECULL
 int32
 CCullZones::FindCullZoneForCoors(CVector coors)
 {
@@ -273,6 +282,7 @@ CCullZones::FindCullZoneForCoors(CVector coors)
 			return i;
 	return -1;
 }
+#endif
 
 int32
 CCullZones::FindAttributesForCoors(CVector coors, int32 *wantedLevel)
@@ -350,6 +360,7 @@ CCullZones::AddCullZone(CVector const &position,
 	CAttributeZone *attrib;
 
 	CVector v;
+#ifdef GTA_ZONECULL
 	if((flag & ATTRZONE_NOTCULLZONE) == 0){
 		cull = &aZones[NumCullZones++];
 		v = position;
@@ -372,6 +383,7 @@ CCullZones::AddCullZone(CVector const &position,
 		cull->m_groupIndexCount[2] = 0;
 		cull->m_indexStart = 0;
 	}
+#endif
 	if(flag & ~ATTRZONE_NOTCULLZONE){
 		attrib = &aAttributeZones[NumAttributeZones++];
 		attrib->minx = minx;
@@ -386,7 +398,7 @@ CCullZones::AddCullZone(CVector const &position,
 }
 
 
-
+#ifdef GTA_ZONECULL
 void
 CCullZone::DoStuffLeavingZone(void)
 {
@@ -562,3 +574,4 @@ CCullZones::DoWeHaveMoreThanXOccurencesOfSet(int32 count, uint16 *set)
 	}
 	return false;
 }
+#endif
\ No newline at end of file
diff --git a/src/core/config.h b/src/core/config.h
index 1fc78eb8..f4f7205b 100644
--- a/src/core/config.h
+++ b/src/core/config.h
@@ -157,6 +157,7 @@ enum Config {
 #ifndef MIAMI
 #define GTA_TRAIN	// This game has trains
 #define GTA_BRIDGE	// This game has the bridge
+#define GTA_ZONECULL	// This game culls by zones
 #endif
 
 // This enables things from the PS2 version on PC
-- 
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