26 files changed, 127 insertions, 70 deletions

diff --git a/src/audio/oal/aldlist.cpp b/src/audio/oal/aldlist.cpp
index 3e86b1d7..881418c1 100644
--- a/src/audio/oal/aldlist.cpp
+++ b/src/audio/oal/aldlist.cpp
@@ -27,6 +27,7 @@
 #ifndef _WIN32
 #define _stricmp strcasecmp
 #define _strnicmp strncasecmp
+#define _strdup strdup
 #endif
 
 #ifdef AUDIO_OAL
@@ -71,7 +72,7 @@ ALDeviceList::ALDeviceList()
 					if ((bNewName) && (actualDeviceName != NULL) && (strlen(actualDeviceName) > 0)) {
 						ALDEVICEINFO ALDeviceInfo;
 						ALDeviceInfo.bSelected = true;
-						ALDeviceInfo.strDeviceName = actualDeviceName;
+						ALDeviceInfo.strDeviceName = _strdup(actualDeviceName);
 						alcGetIntegerv(device, ALC_MAJOR_VERSION, sizeof(int), &ALDeviceInfo.iMajorVersion);
 						alcGetIntegerv(device, ALC_MINOR_VERSION, sizeof(int), &ALDeviceInfo.iMinorVersion);
 
diff --git a/src/audio/oal/stream.cpp b/src/audio/oal/stream.cpp
index 34518f54..5639bd12 100644
--- a/src/audio/oal/stream.cpp
+++ b/src/audio/oal/stream.cpp
@@ -5,7 +5,11 @@
 #include "sampman.h"
 
 #ifdef _WIN32
+
+// TODO: This is due to version difference of 32-bit libmpg123 and 64-bit libmpg123, fix it
+#ifndef _WIN64
 typedef long ssize_t;
+#endif
 #pragma comment( lib, "libsndfile-1.lib" )
 #pragma comment( lib, "libmpg123.lib" )
 #else
@@ -166,8 +170,11 @@ public:
 		
 		size_t size;
 		int err = mpg123_read(m_pMH, (unsigned char *)buffer, GetBufferSize(), &size);
+#if defined(__LP64__) || defined(_WIN64)
+		assert("We can't handle audio files more then 2 GB yet :shrug:" && (size < UINT32_MAX));
+#endif
 		if (err != MPG123_OK && err != MPG123_DONE) return 0;
-		return size;
+		return (uint32)size;
 	}
 };
 
diff --git a/src/control/Replay.cpp b/src/control/Replay.cpp
index cb9df508..8276f94a 100644
--- a/src/control/Replay.cpp
+++ b/src/control/Replay.cpp
@@ -1454,7 +1454,7 @@ void CReplay::StreamAllNecessaryCarsAndPeds(void)
 	for (int slot = 0; slot < NUM_REPLAYBUFFERS; slot++) {
 		if (BufferStatus[slot] == REPLAYBUFFER_UNUSED)
 			continue;
-		for (int offset = 0; Buffers[slot][offset] != REPLAYPACKET_END; offset += FindSizeOfPacket(Buffers[slot][offset])) {
+		for (size_t offset = 0; Buffers[slot][offset] != REPLAYPACKET_END; offset += FindSizeOfPacket(Buffers[slot][offset])) {
 			switch (Buffers[slot][offset]) {
 			case REPLAYPACKET_VEHICLE:
 				CStreaming::RequestModel(((tVehicleUpdatePacket*)&Buffers[slot][offset])->mi, 0);
@@ -1476,7 +1476,7 @@ void CReplay::FindFirstFocusCoordinate(CVector *coord)
 	for (int slot = 0; slot < NUM_REPLAYBUFFERS; slot++) {
 		if (BufferStatus[slot] == REPLAYBUFFER_UNUSED)
 			continue;
-		for (int offset = 0; Buffers[slot][offset] != REPLAYPACKET_END; offset += FindSizeOfPacket(Buffers[slot][offset])) {
+		for (size_t offset = 0; Buffers[slot][offset] != REPLAYPACKET_END; offset += FindSizeOfPacket(Buffers[slot][offset])) {
 			if (Buffers[slot][offset] == REPLAYPACKET_GENERAL) {
 				*coord = ((tGeneralPacket*)&Buffers[slot][offset])->player_pos;
 				return;
diff --git a/src/core/Camera.cpp b/src/core/Camera.cpp
index 44749fd7..c253d00f 100644
--- a/src/core/Camera.cpp
+++ b/src/core/Camera.cpp
@@ -2978,15 +2978,15 @@ CCamera::LoadTrainCamNodes(char const *name)
 	char token[16] = { 0 };
 	char filename[16] = { 0 };
 	uint8 *buf;
-	int bufpos = 0;
+	size_t bufpos = 0;
 	int field = 0;
 	int tokpos = 0;
 	char c;
 	int i;
-	int len;
+	size_t len;
 
 	strcpy(filename, name);
-	len = strlen(filename);
+	len = (int)strlen(filename);
 	filename[len] = '.';
 	filename[len+1] = 'd';
 	filename[len+2] = 'a';
diff --git a/src/core/Directory.cpp b/src/core/Directory.cpp
index cc4d65d8..05344065 100644
--- a/src/core/Directory.cpp
+++ b/src/core/Directory.cpp
@@ -30,7 +30,8 @@ CDirectory::ReadDirFile(const char *filename)
 bool
 CDirectory::WriteDirFile(const char *filename)
 {
-	int fd, n;
+	int fd;
+	size_t n;
 	fd = CFileMgr::OpenFileForWriting(filename);
 	n = CFileMgr::Write(fd, (char*)entries, numEntries*sizeof(DirectoryInfo));
 	CFileMgr::CloseFile(fd);
diff --git a/src/core/FileMgr.cpp b/src/core/FileMgr.cpp
index 1939c861..8dbc6894 100644
--- a/src/core/FileMgr.cpp
+++ b/src/core/FileMgr.cpp
@@ -163,7 +163,7 @@ myfgets(char *buf, int len, int fd)
 	return buf;
 }
 
-static int
+static size_t
 myfread(void *buf, size_t elt, size_t n, int fd)
 {
 	if(myfiles[fd].isText){
@@ -184,7 +184,7 @@ myfread(void *buf, size_t elt, size_t n, int fd)
 	return fread(buf, elt, n, myfiles[fd].file);
 }
 
-static int
+static size_t
 myfwrite(void *buf, size_t elt, size_t n, int fd)
 {
 	if(myfiles[fd].isText){
@@ -265,11 +265,11 @@ CFileMgr::SetDirMyDocuments(void)
 	mychdir(_psGetUserFilesFolder());
 }
 
-int
+size_t
 CFileMgr::LoadFile(const char *file, uint8 *buf, int unused, const char *mode)
 {
 	int fd;
-	int n, len;
+	size_t n, len;
 
 	fd = myfopen(file, mode);
 	if(fd == 0)
@@ -298,13 +298,13 @@ CFileMgr::OpenFileForWriting(const char *file)
 	return OpenFile(file, "wb");
 }
 
-int
+size_t
 CFileMgr::Read(int fd, const char *buf, int len)
 {
 	return myfread((void*)buf, 1, len, fd);
 }
 
-int
+size_t
 CFileMgr::Write(int fd, const char *buf, int len)
 {
 	return myfwrite((void*)buf, 1, len, fd);
diff --git a/src/core/FileMgr.h b/src/core/FileMgr.h
index 1d0faf50..0ad9daa7 100644
--- a/src/core/FileMgr.h
+++ b/src/core/FileMgr.h
@@ -9,12 +9,12 @@ public:
 	static void ChangeDir(const char *dir);
 	static void SetDir(const char *dir);
 	static void SetDirMyDocuments(void);
-	static int LoadFile(const char *file, uint8 *buf, int unused, const char *mode);
+	static size_t LoadFile(const char *file, uint8 *buf, int unused, const char *mode);
 	static int OpenFile(const char *file, const char *mode);
 	static int OpenFile(const char *file) { return OpenFile(file, "rb"); }
 	static int OpenFileForWriting(const char *file);
-	static int Read(int fd, const char *buf, int len);
-	static int Write(int fd, const char *buf, int len);
+	static size_t Read(int fd, const char *buf, int len);
+	static size_t Write(int fd, const char *buf, int len);
 	static bool Seek(int fd, int offset, int whence);
 	static bool ReadLine(int fd, char *buf, int len);
 	static int CloseFile(int fd);
diff --git a/src/core/Frontend.cpp b/src/core/Frontend.cpp
index 6e4e8917..95d5f6e6 100644
--- a/src/core/Frontend.cpp
+++ b/src/core/Frontend.cpp
@@ -2604,7 +2604,7 @@ CMenuManager::DrawPlayerSetupScreen()
 		char nameTemp[256];
 		for (m_pSelectedSkin = m_pSkinListHead.nextSkin; m_pSelectedSkin; m_pSelectedSkin = m_pSelectedSkin->nextSkin) {
 			// Drop extension
-			int oldLength = strlen(m_pSelectedSkin->skinNameDisplayed);
+			int oldLength = (int)strlen(m_pSelectedSkin->skinNameDisplayed);
 			m_pSelectedSkin->skinNameDisplayed[oldLength - 4] = '\0';
 			m_pSelectedSkin->skinNameOriginal[oldLength - 4] = '\0';
 
diff --git a/src/core/Pad.cpp b/src/core/Pad.cpp
index 851625d2..944d7b2c 100644
--- a/src/core/Pad.cpp
+++ b/src/core/Pad.cpp
@@ -2634,7 +2634,7 @@ void CPad::ResetCheats(void)
 
 char *CPad::EditString(char *pStr, int32 nSize)
 {
-	int32 pos = strlen(pStr);
+	int32 pos = (int32)strlen(pStr);
 
 	// letters
 	for ( int32 i = 0; i < ('Z' - 'A' + 1); i++ )
diff --git a/src/core/Streaming.cpp b/src/core/Streaming.cpp
index b701f43f..6b652a6a 100644
--- a/src/core/Streaming.cpp
+++ b/src/core/Streaming.cpp
@@ -45,7 +45,7 @@ int32 CStreaming::ms_oldSectorX;
 int32 CStreaming::ms_oldSectorY;
 int32 CStreaming::ms_streamingBufferSize;
 int8 *CStreaming::ms_pStreamingBuffer[2];
-int32 CStreaming::ms_memoryUsed;
+size_t CStreaming::ms_memoryUsed;
 CStreamingChannel CStreaming::ms_channel[2];
 int32 CStreaming::ms_channelError;
 int32 CStreaming::ms_numVehiclesLoaded;
@@ -62,7 +62,7 @@ uint16 CStreaming::ms_loadedGangCars;
 int32 CStreaming::ms_imageOffsets[NUMCDIMAGES];
 int32 CStreaming::ms_lastImageRead;
 int32 CStreaming::ms_imageSize;
-uint32 CStreaming::ms_memoryAvailable;
+size_t CStreaming::ms_memoryAvailable;
 
 int32 desiredNumVehiclesLoaded = 12;
 
@@ -202,14 +202,19 @@ CStreaming::Init2(void)
 	// PC only, figure out how much memory we got
 #ifdef GTA_PC
 #define MB (1024*1024)
-	extern unsigned long _dwMemAvailPhys;
+
+	extern size_t _dwMemAvailPhys;
 	ms_memoryAvailable = (_dwMemAvailPhys - 10*MB)/2;
 	if(ms_memoryAvailable < 50*MB)
 		ms_memoryAvailable = 50*MB;
-	desiredNumVehiclesLoaded = (ms_memoryAvailable/MB - 50)/3 + 12;
+	desiredNumVehiclesLoaded = (int32)((ms_memoryAvailable / MB - 50) / 3 + 12);
 	if(desiredNumVehiclesLoaded > MAXVEHICLESLOADED)
 		desiredNumVehiclesLoaded = MAXVEHICLESLOADED;
+#if defined(__LP64__) || defined(_WIN64)
+	debug("Memory allocated to Streaming is %lluMB", ms_memoryAvailable/MB);
+#else
 	debug("Memory allocated to Streaming is %dMB", ms_memoryAvailable/MB);
+#endif
 #undef MB
 #endif
 
@@ -1085,7 +1090,7 @@ CStreaming::RemoveAllUnusedModels(void)
 }
 
 bool
-CStreaming::RemoveReferencedTxds(int32 mem)
+CStreaming::RemoveReferencedTxds(size_t mem)
 {
 	CStreamingInfo *si;
 	int streamId;
@@ -2201,7 +2206,7 @@ CStreaming::DeleteRwObjectsAfterDeath(const CVector &pos)
 }
 
 void
-CStreaming::DeleteRwObjectsBehindCamera(int32 mem)
+CStreaming::DeleteRwObjectsBehindCamera(size_t mem)
 {
 	int ix, iy;
 	int x, y;
@@ -2382,7 +2387,7 @@ CStreaming::DeleteRwObjectsInOverlapSectorList(CPtrList &list, int32 x, int32 y)
 }
 
 bool
-CStreaming::DeleteRwObjectsBehindCameraInSectorList(CPtrList &list, int32 mem)
+CStreaming::DeleteRwObjectsBehindCameraInSectorList(CPtrList &list, size_t mem)
 {
 	CPtrNode *node;
 	CEntity *e;
@@ -2403,7 +2408,7 @@ CStreaming::DeleteRwObjectsBehindCameraInSectorList(CPtrList &list, int32 mem)
 }
 
 bool
-CStreaming::DeleteRwObjectsNotInFrustumInSectorList(CPtrList &list, int32 mem)
+CStreaming::DeleteRwObjectsNotInFrustumInSectorList(CPtrList &list, size_t mem)
 {
 	CPtrNode *node;
 	CEntity *e;
@@ -2430,7 +2435,7 @@ CStreaming::MakeSpaceFor(int32 size)
 	// the code still happens to work in that case because ms_memoryAvailable is unsigned
 	// but it's not nice....
 
-	while((uint32)ms_memoryUsed >= ms_memoryAvailable - size)
+	while(ms_memoryUsed >= ms_memoryAvailable - size)
 		if(!RemoveLeastUsedModel()){
 			DeleteRwObjectsBehindCamera(ms_memoryAvailable - size);
 			return;
@@ -2492,7 +2497,11 @@ CStreaming::UpdateForAnimViewer(void)
 	if (CStreaming::ms_channelError == -1) {
 		CStreaming::AddModelsToRequestList(CVector(0.0f, 0.0f, 0.0f));
 		CStreaming::LoadRequestedModels();
+#if defined(__LP64__) || defined(_WIN64)
+		sprintf(gString, "Requested %d, memory size %lluK\n", CStreaming::ms_numModelsRequested, 2 * CStreaming::ms_memoryUsed);
+#else
 		sprintf(gString, "Requested %d, memory size %dK\n", CStreaming::ms_numModelsRequested, 2 * CStreaming::ms_memoryUsed);
+#endif
 	}
 	else {
 		CStreaming::RetryLoadFile(CStreaming::ms_channelError);
diff --git a/src/core/Streaming.h b/src/core/Streaming.h
index 84434769..0b2ff124 100644
--- a/src/core/Streaming.h
+++ b/src/core/Streaming.h
@@ -86,7 +86,7 @@ public:
 	static int32 ms_oldSectorY;
 	static int32 ms_streamingBufferSize;
 	static int8 *ms_pStreamingBuffer[2];
-	static int32 ms_memoryUsed;
+	static size_t ms_memoryUsed;
 	static CStreamingChannel ms_channel[2];
 	static int32 ms_channelError;
 	static int32 ms_numVehiclesLoaded;
@@ -103,7 +103,7 @@ public:
 	static int32 ms_imageOffsets[NUMCDIMAGES];
 	static int32 ms_lastImageRead;
 	static int32 ms_imageSize;
-	static uint32 ms_memoryAvailable;
+	static size_t ms_memoryAvailable;
 
 	static void Init(void);
 	static void Init2(void);
@@ -140,7 +140,7 @@ public:
 	static bool RemoveLeastUsedModel(void);
 	static void RemoveAllUnusedModels(void);
 	static void RemoveUnusedModelsInLoadedList(void);
-	static bool RemoveReferencedTxds(int32 mem);
+	static bool RemoveReferencedTxds(size_t mem);
 	static int32 GetAvailableVehicleSlot(void);
 	static bool IsTxdUsedByRequestedModels(int32 txdId);
 	static bool AddToLoadedVehiclesList(int32 modelId);
@@ -176,11 +176,11 @@ public:
 	static void DeleteFarAwayRwObjects(const CVector &pos);
 	static void DeleteAllRwObjects(void);
 	static void DeleteRwObjectsAfterDeath(const CVector &pos);
-	static void DeleteRwObjectsBehindCamera(int32 mem);
+	static void DeleteRwObjectsBehindCamera(size_t mem);
 	static void DeleteRwObjectsInSectorList(CPtrList &list);
 	static void DeleteRwObjectsInOverlapSectorList(CPtrList &list, int32 x, int32 y);
-	static bool DeleteRwObjectsBehindCameraInSectorList(CPtrList &list, int32 mem);
-	static bool DeleteRwObjectsNotInFrustumInSectorList(CPtrList &list, int32 mem);
+	static bool DeleteRwObjectsBehindCameraInSectorList(CPtrList &list, size_t mem);
+	static bool DeleteRwObjectsNotInFrustumInSectorList(CPtrList &list, size_t mem);
 
 	static void LoadScene(const CVector &pos);
 
diff --git a/src/core/common.h b/src/core/common.h
index 4bf1aebd..17a186d0 100644
--- a/src/core/common.h
+++ b/src/core/common.h
@@ -17,7 +17,11 @@
 
 #if defined _WIN32 && defined WITHD3D
 #include <windows.h>
+#ifndef USE_D3D9
 #include <d3d8types.h>
+#else
+#include <d3d9types.h>
+#endif
 #endif
 
 #include <rwcore.h>
diff --git a/src/peds/Ped.cpp b/src/peds/Ped.cpp
index e134ac5d..4d83f5aa 100644
--- a/src/peds/Ped.cpp
+++ b/src/peds/Ped.cpp
@@ -4839,7 +4839,7 @@ CPed::LoadFightData(void)
 
 	CAnimBlendAssociation *animAssoc;
 
-	int bp, buflen;
+	size_t bp, buflen;
 	int lp, linelen;
 
 	buflen = CFileMgr::LoadFile("DATA\\fistfite.dat", work_buff, sizeof(work_buff), "r");
diff --git a/src/peds/PedStats.cpp b/src/peds/PedStats.cpp
index 06e39039..1f7a95b4 100644
--- a/src/peds/PedStats.cpp
+++ b/src/peds/PedStats.cpp
@@ -47,7 +47,7 @@ CPedStats::LoadPedStats(void)
 	char *buf;
 	char line[256];
 	char name[32];
-	int bp, buflen;
+	size_t bp, buflen;
 	int lp, linelen;
 	int type;
 	float fleeDist, headingChangeRate, attackStrength, defendWeakness;
diff --git a/src/peds/PedType.cpp b/src/peds/PedType.cpp
index 8bf4c6e1..397cd71d 100644
--- a/src/peds/PedType.cpp
+++ b/src/peds/PedType.cpp
@@ -43,7 +43,7 @@ CPedType::LoadPedData(void)
 	char *buf;
 	char line[256];
 	char word[32];
-	int bp, buflen;
+	size_t bp, buflen;
 	int lp, linelen;
 	int type;
 	uint32 flags;
diff --git a/src/render/Fluff.cpp b/src/render/Fluff.cpp
index da29daec..f86801bf 100644
--- a/src/render/Fluff.cpp
+++ b/src/render/Fluff.cpp
@@ -614,7 +614,7 @@ void CScrollBar::Update()
 			break;
 		}
 
-		m_MessageLength = strlen(m_pMessage);
+		m_MessageLength = (uint32)strlen(m_pMessage);
 		m_MessageCurrentChar = 0;
 	}
 
diff --git a/src/rw/NodeName.cpp b/src/rw/NodeName.cpp
index d62884f7..ad4acffb 100644
--- a/src/rw/NodeName.cpp
+++ b/src/rw/NodeName.cpp
@@ -51,7 +51,7 @@ RwInt32
 NodeNameStreamGetSize(const void *object, RwInt32 offsetInObject, RwInt32 sizeInObject)
 {
 	// game checks for null pointer on node name extension but that really happen
-	return rwstrlen(NODENAMEEXT(object));
+	return (RwInt32)rwstrlen(NODENAMEEXT(object));
 }
 
 bool
diff --git a/src/rw/VisibilityPlugins.cpp b/src/rw/VisibilityPlugins.cpp
index 22edcb68..f6a9c3b5 100644
--- a/src/rw/VisibilityPlugins.cpp
+++ b/src/rw/VisibilityPlugins.cpp
@@ -797,12 +797,12 @@ CVisibilityPlugins::FrameCopyConstructor(void *dst, const void *src, int32, int3
 }
 
 void
-CVisibilityPlugins::SetFrameHierarchyId(RwFrame *frame, int32 id)
+CVisibilityPlugins::SetFrameHierarchyId(RwFrame *frame, uintptr id)
 {
 	FRAMEEXT(frame)->id = id;
 }
 
-int32
+uintptr
 CVisibilityPlugins::GetFrameHierarchyId(RwFrame *frame)
 {
 	return FRAMEEXT(frame)->id;
diff --git a/src/rw/VisibilityPlugins.h b/src/rw/VisibilityPlugins.h
index b367d7ee..dd02f2e1 100644
--- a/src/rw/VisibilityPlugins.h
+++ b/src/rw/VisibilityPlugins.h
@@ -103,10 +103,10 @@ public:
 	struct FrameExt
 	{
 		// BUG: this is abused to hold a pointer by SetClumpModelInfo
-		int32 id;
+		uintptr id;
 	};
-	static void SetFrameHierarchyId(RwFrame *frame, int32 id);
-	static int32 GetFrameHierarchyId(RwFrame *frame);
+	static void SetFrameHierarchyId(RwFrame *frame, uintptr id);
+	static uintptr GetFrameHierarchyId(RwFrame *frame);
 
 	static void *FrameConstructor(void *object, int32 offset, int32 len);
 	static void *FrameDestructor(void *object, int32 offset, int32 len);
diff --git a/src/skel/crossplatform.h b/src/skel/crossplatform.h
index a21877c1..678d3ec4 100644
--- a/src/skel/crossplatform.h
+++ b/src/skel/crossplatform.h
@@ -4,7 +4,7 @@
 // Functions that's different on glfw and win but have same signature, should be located on platform.h.
 
 #ifdef _WIN32
-// This only has <windef.h> as Win header.
+// This only has <windef.h> as Windows header, which is lighter (as long as WITHWINDOWS isn't defined / <Windows.h> isn't included).
 #include "win.h"
 extern DWORD _dwOperatingSystemVersion;
 #else
diff --git a/src/skel/glfw/glfw.cpp b/src/skel/glfw/glfw.cpp
index 630b3345..47dc9e4c 100644
--- a/src/skel/glfw/glfw.cpp
+++ b/src/skel/glfw/glfw.cpp
@@ -63,7 +63,7 @@ static psGlobalType PsGlobal;
 #undef MAKEPOINTS
 #define MAKEPOINTS(l)		(*((POINTS /*FAR*/ *)&(l)))
 
-unsigned long _dwMemAvailPhys;
+size_t _dwMemAvailPhys;
 RwUInt32 gGameState;
 
 #ifdef _WIN32
diff --git a/src/skel/win/win.cpp b/src/skel/win/win.cpp
index 9795bde9..9fde9d32 100644
--- a/src/skel/win/win.cpp
+++ b/src/skel/win/win.cpp
@@ -19,7 +19,12 @@
 
 #pragma warning( push )
 #pragma warning( disable : 4005)
+
+#ifdef USE_D3D9
+#include <d3d9.h>
+#else
 #include <d3d8.h>
+#endif
 #include <ddraw.h>
 #include <dinput.h>
 #include <DShow.h>
@@ -27,7 +32,9 @@
 
 #define WM_GRAPHNOTIFY	WM_USER+13
 
+#ifndef USE_D3D9
 #pragma comment( lib, "d3d8.lib" )
+#endif
 #pragma comment( lib, "ddraw.lib" )
 #pragma comment( lib, "Winmm.lib" )
 #pragma comment( lib, "dxguid.lib" )
@@ -102,7 +109,7 @@ IMediaSeeking *pMS = nil;
 
 DWORD dwDXVersion;
 SIZE_T _dwMemTotalPhys;
-SIZE_T _dwMemAvailPhys;
+size_t _dwMemAvailPhys;
 SIZE_T _dwMemTotalVirtual;
 SIZE_T _dwMemAvailVirtual;
 DWORD _dwMemTotalVideo;
@@ -449,6 +456,16 @@ DWORD GetDXVersion()
 	dwDXVersion = 0x700;
 	pDD7->Release();
 
+#ifdef USE_D3D9
+	HINSTANCE hD3D9DLL = LoadLibrary("D3D9.DLL");
+	if (hD3D9DLL != nil) {
+		FreeLibrary(hDDrawDLL);
+		FreeLibrary(hD3D9DLL);
+
+		dwDXVersion = 0x900;
+		return dwDXVersion;
+	}
+#endif
 
 	//-------------------------------------------------------------------------
 	// DirectX 8.0 Checks
@@ -498,6 +515,7 @@ DWORD GetDXVersion()
 /*
  *****************************************************************************
  */
+#ifndef _WIN64
 static char cpuvendor[16] = "UnknownVendr";
 __declspec(naked)  const char * _psGetCpuVendr()
 {
@@ -571,6 +589,7 @@ void _psPrintCpuInfo()
 	if ( FeaturesEx & 0x80000000 )
 		debug("with 3DNow");
 }
+#endif
 
 /*
  *****************************************************************************
@@ -646,9 +665,9 @@ psInitialize(void)
 	
 	gGameState = GS_START_UP;
 	TRACE("gGameState = GS_START_UP");
-	
+#ifndef _WIN64
 	_psPrintCpuInfo();
-	
+#endif
 	OSVERSIONINFO verInfo;
 	verInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 	
@@ -1284,8 +1303,11 @@ RwBool IsForegroundApp()
 
 UINT GetBestRefreshRate(UINT width, UINT height, UINT depth)
 {
+#ifdef USE_D3D9
+	LPDIRECT3D9 d3d = Direct3DCreate9(D3D_SDK_VERSION);
+#else
 	LPDIRECT3D8 d3d = Direct3DCreate8(D3D_SDK_VERSION);
-	
+#endif
 	ASSERT(d3d != nil);
 	
 	UINT refreshRate = INT_MAX;
@@ -1298,14 +1320,21 @@ UINT GetBestRefreshRate(UINT width, UINT height, UINT depth)
 	else
 		format = D3DFMT_R5G6B5;
 	
+#ifdef USE_D3D9
+	UINT modeCount = d3d->GetAdapterModeCount(GcurSel, format);
+#else
 	UINT modeCount = d3d->GetAdapterModeCount(GcurSel);
-	
+#endif
+
 	for ( UINT i = 0; i < modeCount; i++ )
 	{
 		D3DDISPLAYMODE mode;
 		
+#ifdef USE_D3D9
+		d3d->EnumAdapterModes(GcurSel, format, i, &mode);
+#else
 		d3d->EnumAdapterModes(GcurSel, i, &mode);
-		
+#endif	
 		if ( mode.Width == width && mode.Height == height && mode.Format == format )
 		{
 			if ( mode.RefreshRate == 0 )
@@ -1599,7 +1628,7 @@ CommandLineToArgv(RwChar *cmdLine, RwInt32 *argCount)
 	RwInt32 i, len;
 	RwChar *res, *str, **aptr;
 
-	len = strlen(cmdLine);
+	len = (int)strlen(cmdLine);
 
 	/* 
 	 * Count the number of arguments...
@@ -1687,11 +1716,11 @@ void InitialiseLanguage()
 {
 	WORD primUserLCID	= PRIMARYLANGID(GetSystemDefaultLCID());
 	WORD primSystemLCID = PRIMARYLANGID(GetUserDefaultLCID());
-	WORD primLayout		= PRIMARYLANGID((DWORD)GetKeyboardLayout(0));
+	WORD primLayout		= PRIMARYLANGID((DWORD_PTR)GetKeyboardLayout(0));
 	
 	WORD subUserLCID	= SUBLANGID(GetSystemDefaultLCID());
 	WORD subSystemLCID	= SUBLANGID(GetUserDefaultLCID());
-	WORD subLayout		= SUBLANGID((DWORD)GetKeyboardLayout(0));
+	WORD subLayout		= SUBLANGID((DWORD_PTR)GetKeyboardLayout(0));
 	
 	if (   primUserLCID	  == LANG_GERMAN
 		|| primSystemLCID == LANG_GERMAN
diff --git a/src/skel/win/win.h b/src/skel/win/win.h
index 444e0760..d19c4e0e 100644
--- a/src/skel/win/win.h
+++ b/src/skel/win/win.h
@@ -9,8 +9,12 @@
 #endif /* (!defined(RSREGSETBREAKALLOC)) */
 
 #ifndef _INC_WINDOWS
-#define _X86_
-#include <windef.h>
+	#ifdef _WIN64
+		#define _AMD64_
+	#else
+		#define _X86_
+	#endif
+	#include <windef.h>
 #endif
 
 enum eWinVersion
diff --git a/src/text/Text.cpp b/src/text/Text.cpp
index c9e22a84..1f6cda89 100644
--- a/src/text/Text.cpp
+++ b/src/text/Text.cpp
@@ -23,8 +23,8 @@ CText::Load(void)
 {
 	uint8 *filedata;
 	char filename[32], type[4];
-	int length;
-	int offset, sectlen;
+	intptr_t offset, length;
+	size_t sectlen;
 
 	Unload();
 	filedata = new uint8[0x40000];
@@ -176,12 +176,13 @@ CText::UpperCase(wchar *s)
 
 
 void
-CKeyArray::Load(uint32 length, uint8 *data, int *offset)
+CKeyArray::Load(size_t length, uint8 *data, intptr_t *offset)
 {
-	uint32 i;
+	size_t i;
 	uint8 *rawbytes;
 
-	numEntries = length / sizeof(CKeyEntry);
+	// You can make numEntries size_t if you want to exceed 32-bit boundaries, everything else should be ready.
+	numEntries = (int)(length / sizeof(CKeyEntry));
 	entries = new CKeyEntry[numEntries];
 	rawbytes = (uint8*)entries;
 
@@ -255,12 +256,13 @@ CKeyArray::Search(const char *key)
 
 
 void
-CData::Load(uint32 length, uint8 *data, int *offset)
+CData::Load(size_t length, uint8 *data, intptr_t *offset)
 {
-	uint32 i;
+	size_t i;
 	uint8 *rawbytes;
 
-	numChars = length / sizeof(wchar);
+	// You can make numChars size_t if you want to exceed 32-bit boundaries, everything else should be ready.
+	numChars = (int)(length / sizeof(wchar));
 	chars = new wchar[numChars];
 	rawbytes = (uint8*)chars;
 
diff --git a/src/text/Text.h b/src/text/Text.h
index bd6544d2..4be9b6e6 100644
--- a/src/text/Text.h
+++ b/src/text/Text.h
@@ -26,11 +26,11 @@ class CKeyArray
 {
 public:
 	CKeyEntry *entries;
-	int numEntries;
+	int numEntries;	// You can make this size_t if you want to exceed 32-bit boundaries, everything else should be ready.
 
 	CKeyArray(void) : entries(nil), numEntries(0) {}
 	~CKeyArray(void) { Unload(); }
-	void Load(uint32 length, uint8 *data, int *offset);
+	void Load(size_t length, uint8 *data, intptr_t *offset);
 	void Unload(void);
 	void Update(wchar *chars);
 	CKeyEntry *BinarySearch(const char *key, CKeyEntry *entries, int16 low, int16 high);
@@ -45,11 +45,11 @@ class CData
 {
 public:
 	wchar *chars;
-	int numChars;
+	int numChars; // You can make this size_t if you want to exceed 32-bit boundaries, everything else should be ready.
 
 	CData(void) : chars(nil), numChars(0) {}
 	~CData(void) { Unload(); }
-	void Load(uint32 length, uint8 *data, int *offset);
+	void Load(size_t length, uint8 *data, intptr_t *offset);
 	void Unload(void);
 };
 
diff --git a/src/weapons/WeaponInfo.cpp b/src/weapons/WeaponInfo.cpp
index c4ab75d2..93370a18 100644
--- a/src/weapons/WeaponInfo.cpp
+++ b/src/weapons/WeaponInfo.cpp
@@ -64,7 +64,7 @@ CWeaponInfo::LoadWeaponData(void)
 	CAnimBlendAssociation *animAssoc;
 	AnimationId animId;
 
-	int bp, buflen;
+	size_t bp, buflen;
 	int lp, linelen;
 		
 	CFileMgr::SetDir("DATA");