From 12f009e708b5969cd42ccf5bfb60be37b70f31d8 Mon Sep 17 00:00:00 2001
From: aap <aap@papnet.eu>
Date: Wed, 19 Jun 2019 23:41:43 +0200
Subject: implemented cHandlingDataMgr

---
 src/entities/Building.cpp | 21 ++++++++++++++++++++-
 src/entities/Building.h   |  3 ++-
 2 files changed, 22 insertions(+), 2 deletions(-)

(limited to 'src/entities')

diff --git a/src/entities/Building.cpp b/src/entities/Building.cpp
index e8f19b01..ef236e89 100644
--- a/src/entities/Building.cpp
+++ b/src/entities/Building.cpp
@@ -1,7 +1,26 @@
 #include "common.h"
-#include "rpworld.h"
+#include "patcher.h"
 #include "Building.h"
+#include "Streaming.h"
 #include "Pools.h"
 
 void *CBuilding::operator new(size_t sz) { return CPools::GetBuildingPool()->New();  }
 void CBuilding::operator delete(void *p, size_t sz) { CPools::GetBuildingPool()->Delete((CBuilding*)p); }
+
+void
+CBuilding::ReplaceWithNewModel(int32 id)
+{
+	DeleteRwObject();
+
+	if(CModelInfo::GetModelInfo(m_modelIndex)->m_refCount == 0)
+		CStreaming::RemoveModel(m_modelIndex);
+	m_modelIndex = id;
+
+	if(bIsBIGBuilding)
+		if(m_level == LEVEL_NONE || m_level == CGame::currLevel)
+			CStreaming::RequestModel(id, STREAM_DONT_REMOVE);
+}
+
+STARTPATCHES
+	InjectHook(0x405850, &CBuilding::ReplaceWithNewModel, PATCH_JUMP);
+ENDPATCHES
diff --git a/src/entities/Building.h b/src/entities/Building.h
index 612e0fb3..7b837f46 100644
--- a/src/entities/Building.h
+++ b/src/entities/Building.h
@@ -5,7 +5,6 @@
 class CBuilding : public CEntity
 {
 public:
-	// TODO: ReplaceWithNewModel
 	CBuilding(void) {
 		m_type = ENTITY_TYPE_BUILDING;
 		bUsesCollision = true;
@@ -13,6 +12,8 @@ public:
 	static void *operator new(size_t);
 	static void operator delete(void*, size_t);
 
+	void ReplaceWithNewModel(int32 id);
+
 	virtual bool GetIsATreadable(void) { return false; }
 };
 static_assert(sizeof(CBuilding) == 0x64, "CBuilding: error");
-- 
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