From 3b702b9d9a87fd1eb167823943cfd5b1089ddb18 Mon Sep 17 00:00:00 2001
From: momo5502 <mauriceheumann@gmail.com>
Date: Thu, 16 Mar 2017 20:40:32 +0100
Subject: [PATCH] [IclipMap_t] Use existing clipmap as base

---
 .../Modules/AssetInterfaces/IclipMap_t.cpp       | 16 ++++++++++++++++
 src/Game/Structs.hpp                             |  1 -
 src/Utils/Stream.cpp                             |  4 ++--
 3 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/src/Components/Modules/AssetInterfaces/IclipMap_t.cpp b/src/Components/Modules/AssetInterfaces/IclipMap_t.cpp
index 06e85c78..b63f1d7e 100644
--- a/src/Components/Modules/AssetInterfaces/IclipMap_t.cpp
+++ b/src/Components/Modules/AssetInterfaces/IclipMap_t.cpp
@@ -586,6 +586,17 @@ namespace Assets
 			return;
 		}
 
+		Game::clipMap_t* orgClipMap = nullptr;
+		Game::DB_EnumXAssets(Game::XAssetType::ASSET_TYPE_MAP_ENTS, [](Game::XAssetHeader header, void* clipMap)
+		{
+			if (!*reinterpret_cast<void**>(clipMap))
+			{
+				*reinterpret_cast<Game::clipMap_t**>(clipMap) = header.clipMap;
+			}
+		}, &orgClipMap, false);
+
+		if (orgClipMap) std::memcpy(clipMap, orgClipMap, sizeof Game::clipMap_t);
+
 		Utils::Stream::Reader reader(builder->getAllocator(), clipFile.getBuffer());
 
 		__int64 magic = reader.read<__int64>();
@@ -880,6 +891,11 @@ namespace Assets
 			Utils::Stream::ClearPointer(&clipMap->dynEntCollList[i]);
 		}
 
+		if(!reader.end())
+		{
+			Components::Logger::Error("Clipmap data left!");
+		}
+
 		header->clipMap = clipMap;
 	}
 }
diff --git a/src/Game/Structs.hpp b/src/Game/Structs.hpp
index b5f07ed8..8c219da1 100644
--- a/src/Game/Structs.hpp
+++ b/src/Game/Structs.hpp
@@ -2476,7 +2476,6 @@ namespace Game
 		char edgeCount[2][3];
 	};
 
-
 	struct cLeaf_t
 	{
 		unsigned __int16 firstCollAabbIndex;
diff --git a/src/Utils/Stream.cpp b/src/Utils/Stream.cpp
index 0cb9b2f0..08446e64 100644
--- a/src/Utils/Stream.cpp
+++ b/src/Utils/Stream.cpp
@@ -26,7 +26,7 @@ namespace Utils
 			return this->buffer[this->position++];
 		}
 
-		return 0;
+		throw std::runtime_error("Reading past the buffer");
 	}
 
 	void* Stream::Reader::read(size_t size, size_t count)
@@ -43,7 +43,7 @@ namespace Utils
 			return _buffer;
 		}
 
-		return nullptr;
+		throw std::runtime_error("Reading past the buffer");
 	}
 
 	bool Stream::Reader::end()