diff --git a/amxmodx/CLang.cpp b/amxmodx/CLang.cpp
index 2a7263fb..0c0cba49 100755
--- a/amxmodx/CLang.cpp
+++ b/amxmodx/CLang.cpp
@@ -33,6 +33,7 @@
 #include "amxmodx.h"
 #include "CLang.h"
 #include "format.h"
+#include "amxmod_compat.h"
 
 #ifdef __linux__
 #define _snprintf snprintf
@@ -287,7 +288,23 @@ char * CLangMngr::FormatAmxString(AMX *amx, cell *params, int parm, int &len)
 	static char outbuf[4096];
 	cell *addr = get_amxaddr(amx, params[parm++]);
 
-	len = atcprintf(outbuf, sizeof(outbuf)-1, addr, amx, params, &parm);
+	if (amx->flags & AMX_FLAG_OLDFILE)
+	{
+		if (*addr & BCOMPAT_TRANSLATE_BITS)
+		{
+			const char *key, *def;
+			if (!translate_bcompat(amx, addr, &key, &def))
+			{
+				goto normal_string;
+			}
+			len = atcprintf(outbuf, sizeof(outbuf)-1, def, amx, params, &parm);
+		} else {
+			goto normal_string;
+		}
+	} else {
+normal_string:
+		len = atcprintf(outbuf, sizeof(outbuf)-1, addr, amx, params, &parm);
+	}
 
 	return outbuf;
 }
diff --git a/amxmodx/CModule.cpp b/amxmodx/CModule.cpp
index 59b824b2..803f1ff7 100755
--- a/amxmodx/CModule.cpp
+++ b/amxmodx/CModule.cpp
@@ -89,6 +89,7 @@ void CModule::clear(bool clearFilename)
 
 	m_DestroyableIndexes.clear();
 	m_Natives.clear();
+	m_NewNatives.clear();
 }
 
 bool CModule::attachMetamod(const char *mmfile, PLUG_LOADTIME now)
diff --git a/amxmodx/CModule.h b/amxmodx/CModule.h
index 842a503c..5f7c2030 100755
--- a/amxmodx/CModule.h
+++ b/amxmodx/CModule.h
@@ -117,6 +117,7 @@ public:
 	void CallPluginsUnloading();
 
 	CVector<AMX_NATIVE_INFO*> m_Natives;
+	CVector<AMX_NATIVE_INFO*> m_NewNatives; // Natives for new (AMXX, not AMX) plugins only
 	CVector<size_t> m_DestroyableIndexes;
 };
 
diff --git a/amxmodx/CPlugin.cpp b/amxmodx/CPlugin.cpp
index 96048268..6ad511f6 100755
--- a/amxmodx/CPlugin.cpp
+++ b/amxmodx/CPlugin.cpp
@@ -447,7 +447,8 @@ char *CPluginMngr::ReadIntoOrFromCache(const char *file, size_t &bufsize)
 
 	pl->file = new CAmxxReader(file, sizeof(cell));
 	pl->buffer = NULL;
-	if (pl->file->GetStatus() != CAmxxReader::Err_None)
+	if (pl->file->GetStatus() != CAmxxReader::Err_None ||
+		pl->file->IsOldFile())
 	{
 		delete pl->file;
 		delete pl;
diff --git a/amxmodx/Makefile b/amxmodx/Makefile
index c22b9325..934edaf5 100755
--- a/amxmodx/Makefile
+++ b/amxmodx/Makefile
@@ -19,7 +19,8 @@ OBJECTS = meta_api.cpp CFile.cpp CVault.cpp vault.cpp float.cpp file.cpp modules
 	srvcmd.cpp strptime.cpp amxcore.cpp amxtime.cpp power.cpp amxxlog.cpp fakemeta.cpp \
 	amxxfile.cpp CLang.cpp md5.cpp emsg.cpp CForward.cpp CPlugin.cpp CModule.cpp \
 	CMenu.cpp util.cpp amx.cpp amxdbg.cpp natives.cpp newmenus.cpp debugger.cpp \
-	optimizer.cpp format.cpp messages.cpp libraries.cpp vector.cpp sorting.cpp
+	optimizer.cpp format.cpp messages.cpp libraries.cpp vector.cpp sorting.cpp \
+	amxmod_compat.cpp
 
 LINK = -lgcc -static-libgcc
 
diff --git a/amxmodx/amxmod_compat.cpp b/amxmodx/amxmod_compat.cpp
new file mode 100644
index 00000000..2d2f6fd1
--- /dev/null
+++ b/amxmodx/amxmod_compat.cpp
@@ -0,0 +1,136 @@
+#include "amxmodx.h"
+#include "amxmod_compat.h"
+#include "format.h"
+
+struct translate_result
+{
+	int suki;
+	int dest;
+	int lang;
+};
+
+CVector<translate_result *> g_tr_results;
+CStack<size_t> g_old_ids;
+
+bool GetTranslation(int id, int &key, int &dest, int &lang)
+{
+	if (id < 0 || (unsigned int)id > g_tr_results.size())
+	{
+		return false;
+	}
+
+	translate_result *pRes = g_tr_results[id];
+
+	key = pRes->suki;
+	dest = pRes->dest;
+	lang = pRes->lang;
+
+	g_old_ids.push((size_t)id);
+
+	return true;
+}
+
+void ClearTransCache()
+{
+	for (size_t i=0; i<g_tr_results.size(); i++)
+	{
+		delete g_tr_results[i];
+	}
+	g_tr_results.clear();
+
+	while (!g_old_ids.empty())
+	{
+		g_old_ids.pop();
+	}
+}
+
+bool translate_bcompat(AMX *amx, cell *source, const char **_key, const char **_def)
+{
+	unsigned int trans = static_cast<unsigned int>(*source);
+	trans &= ~BCOMPAT_TRANSLATE_BITS;
+	int key, _dest, lang;
+	if (!GetTranslation(trans, key, _dest, lang))
+	{
+		return false;
+	}
+
+	cell amx_addr, *phys_addr;
+	if (amx_Allot(amx, 3, &amx_addr, &phys_addr) != AMX_ERR_NONE)
+	{
+		return false;
+	}
+
+	if (_dest == -1)
+	{
+		*phys_addr = LANG_PLAYER;
+	} else if (_dest == 0) {
+		*phys_addr = LANG_SERVER;
+	} else if (lang >= 0 && lang < g_langMngr.GetLangsNum()) {
+		const char *name = g_langMngr.GetLangName(lang);
+		phys_addr[0] = static_cast<cell>(name[0]);
+		phys_addr[1] = static_cast<cell>(name[1]);
+		phys_addr[2] = static_cast<cell>('\0');
+	} else {
+		*phys_addr = LANG_SERVER;
+	}
+
+	//not optimized but it works, eh
+	//if someone cares they can make a translate() wrapper that takes the key # in directly
+	const char *r_key = g_langMngr.GetKey(key);
+	const char *def = translate(amx, amx_addr, r_key);
+	if (!def)
+	{
+		def = r_key;
+	}
+	amx_Release(amx, amx_addr);
+
+	*_key = g_langMngr.GetKey(key);
+	*_def = def;
+
+	return true;
+}
+
+static cell AMX_NATIVE_CALL amx_translate(AMX *amx, cell *params)
+{
+	int len;
+	char *key = get_amxstring(amx, params[1], 0, len);
+
+	translate_result *pRes;
+	size_t id;
+	if (g_old_ids.empty())
+	{
+		pRes = new translate_result;
+		id = g_tr_results.size();
+		g_tr_results.push_back(pRes);
+	} else {
+		if (g_tr_results.size() >= BCOMPAT_TRANSLATE_MAX)
+		{
+			LogError(amx, AMX_ERR_NATIVE, "Exceeded bcompat translation limit of %d!", BCOMPAT_TRANSLATE_MAX);
+			return 0;
+		}
+		id = g_old_ids.front();
+		g_old_ids.pop();
+		pRes = g_tr_results[id];
+	}
+
+	pRes->suki = g_langMngr.GetKeyEntry(key);
+
+	//Some AMX Mod plugins do not register everything they need.  Prevent a crash.
+	if (pRes->suki == -1)
+	{
+		pRes->suki = g_langMngr.AddKeyEntry(key);
+	}
+
+	pRes->dest = params[2];
+	pRes->lang = params[3];
+
+	return (cell)((unsigned int)BCOMPAT_TRANSLATE_BITS | (unsigned int)id);
+}
+
+AMX_NATIVE_INFO g_BcompatNatives[] = 
+{
+	{"translate",				amx_translate},
+
+	{NULL,						NULL},
+};
+
diff --git a/amxmodx/amxmod_compat.h b/amxmodx/amxmod_compat.h
new file mode 100644
index 00000000..cd2bd779
--- /dev/null
+++ b/amxmodx/amxmod_compat.h
@@ -0,0 +1,12 @@
+#ifndef _INCLUDE_AMXMOD_CORE_COMPAT_H
+#define _INCLUDE_AMXMOD_CORE_COMPAT_H
+
+#define BCOMPAT_TRANSLATE_BITS		0xFFFFF400
+#define BCOMPAT_TRANSLATE_MAX		0x400
+
+bool GetTranslation(int id, int &key, int &dest, int &lang);
+void ClearTransCache();
+
+extern AMX_NATIVE_INFO g_BcompatNatives[];
+
+#endif //_INCLUDE_AMXMOD_CORE_COMPAT_H
diff --git a/amxmodx/debugger.cpp b/amxmodx/debugger.cpp
index e9b9050d..c7c275b5 100755
--- a/amxmodx/debugger.cpp
+++ b/amxmodx/debugger.cpp
@@ -608,6 +608,7 @@ const char *Debugger::_GetFilename()
 void Debugger::FmtGenericMsg(AMX *amx, int error, char buffer[], size_t maxLength)
 {
 	const char *filename = "";
+	char native[sNAMEMAX+1];
 
 	CList<CScript,AMX*>::iterator a = g_loadedscripts.find(amx);
 	if (a)
@@ -625,6 +626,9 @@ void Debugger::FmtGenericMsg(AMX *amx, int error, char buffer[], size_t maxLengt
 	if (error == AMX_ERR_EXIT)
 	{
 		_snprintf(buffer, maxLength, "Run time error %d (plugin \"%s\") - %s", error, filename, GenericError(AMX_ERR_EXIT));
+	} else if (error == AMX_ERR_NATIVE) {
+		amx_GetNative(amx, (int)amx->usertags[UT_NATIVE], native);
+		_snprintf(buffer, maxLength, "Run time error %d (plugin \"%s\") (native \"%s\") - debug not enabled!", error, filename, native);
 	} else {
 		_snprintf(buffer, maxLength, "Run time error %d (plugin \"%s\") - debug not enabled!", error, filename);
 	}
diff --git a/amxmodx/float.cpp b/amxmodx/float.cpp
index 64fae73d..f21d94fb 100755
--- a/amxmodx/float.cpp
+++ b/amxmodx/float.cpp
@@ -424,6 +424,54 @@ static cell AMX_NATIVE_CALL n_floatatan2(AMX *amx, cell *params)
 	return amx_ftoc(fC);
 }
 
+#if defined __BORLANDC__ || defined __WATCOMC__
+  #pragma argsused
+#endif
+/* Added by DS */
+static cell AMX_NATIVE_CALL n_floatsinh(AMX *amx, cell *params)
+{
+	/*
+	 * params[1] = angle
+	 * params[2] = radix
+	 */
+	REAL fA = amx_ctof(params[1]);
+	fA = ToRadians(fA, params[2]);
+	fA = sinh(fA);
+	return amx_ftoc(fA);
+}
+
+#if defined __BORLANDC__ || defined __WATCOMC__
+  #pragma argsused
+#endif
+/* Added by DS */
+static cell AMX_NATIVE_CALL n_floatcosh(AMX *amx, cell *params)
+{
+	/*
+	 * params[1] = angle
+	 * params[2] = radix
+	 */
+	REAL fA = amx_ctof(params[1]);
+	fA = ToRadians(fA, params[2]);
+	fA = cosh(fA);
+	return amx_ftoc(fA);
+}
+
+#if defined __BORLANDC__ || defined __WATCOMC__
+  #pragma argsused
+#endif
+/* Added by DS */
+static cell AMX_NATIVE_CALL n_floattanh(AMX *amx, cell *params)
+{
+	/*
+	 * params[1] = angle
+	 * params[2] = radix
+	 */
+	REAL fA = amx_ctof(params[1]);
+	fA = ToRadians(fA, params[2]);
+	fA = tanh(fA);
+	return amx_ftoc(fA);
+}
+
 #if defined __BORLANDC__ || defined __WATCOMC__
   #pragma argsused
 #endif
@@ -456,6 +504,9 @@ AMX_NATIVE_INFO float_Natives[] = {
   { "floatacos",   n_floatacos  },
   { "floatatan",   n_floatatan  },
   { "floatatan2",  n_floatatan2 },
+  { "floatsinh",   n_floatsinh  },
+  { "floatcosh",   n_floatcosh  },
+  { "floattanh",   n_floattanh  },
   { NULL, NULL }        /* terminator */
 };
 
diff --git a/amxmodx/format.cpp b/amxmodx/format.cpp
index b2e788db..441ab2c8 100644
--- a/amxmodx/format.cpp
+++ b/amxmodx/format.cpp
@@ -1,5 +1,6 @@
 #include "amxmodx.h"
 #include "format.h"
+#include "amxmod_compat.h"
 
 //Adapted from Quake3's vsprintf
 // thanks to cybermind for linking me to this :)
@@ -422,6 +423,24 @@ reswitch:
 			break;
 		case 's':
 			CHECK_ARGS(0);
+			if (amx->flags & AMX_FLAG_OLDFILE)
+			{
+				cell *addr = get_amxaddr(amx, params[arg]);
+				if (*addr & BCOMPAT_TRANSLATE_BITS)
+				{
+					const char *key, *def;
+					if (!translate_bcompat(amx, addr, &key, &def))
+					{
+						goto break_to_normal_string;
+					}
+					arg++;
+					size_t written = atcprintf(buf_p, llen, def, amx, params, &arg);
+					buf_p += written;
+					llen -= written;
+					break;
+				}
+			}
+break_to_normal_string:
 			AddString(&buf_p, llen, get_amxaddr(amx, params[arg]), width, prec);
 			arg++;
 			break;
diff --git a/amxmodx/format.h b/amxmodx/format.h
index a1441a64..a9c6f630 100644
--- a/amxmodx/format.h
+++ b/amxmodx/format.h
@@ -5,4 +5,7 @@
 template <typename D, typename S>
 size_t atcprintf(D *buffer, size_t maxlen, const S *format, AMX *amx, cell *params, int *param);
 
+const char *translate(AMX *amx, cell amxaddr, const char *key);
+bool translate_bcompat(AMX *amx, cell *source, const char **_key, const char **_def);
+
 #endif //_INCLUDE_FORMATTING_H
diff --git a/amxmodx/meta_api.cpp b/amxmodx/meta_api.cpp
index 6763d433..9f859503 100755
--- a/amxmodx/meta_api.cpp
+++ b/amxmodx/meta_api.cpp
@@ -45,6 +45,7 @@
 #include "optimizer.h"
 #include "libraries.h"
 #include "messages.h"
+#include "amxmod_compat.h"
 
 plugin_info_t Plugin_info = 
 {
@@ -357,6 +358,14 @@ int	C_Spawn(edict_t *pent)
 	get_localinfo("amxx_configsdir", "addons/amxmodx/configs");
 	get_localinfo("amxx_customdir", "addons/amxmodx/custom");
 
+	// make sure bcompat localinfos are set
+	get_localinfo("amx_basedir", "addons/amxmodx");
+	get_localinfo("amx_configdir", "addons/amxmodx/configs");
+	get_localinfo("amx_langdir", "addons/amxmodx/data/amxmod-lang");
+	get_localinfo("amx_modulesdir", "addons/amxmodx/modules");
+	get_localinfo("amx_pluginsdir", "addons/amxmodx/plugins");
+	get_localinfo("amx_logdir", "addons/amxmodx/logs");
+
 	char map_pluginsfile_path[256];
 
 	// ###### Load modules
@@ -619,6 +628,7 @@ void C_ServerDeactivate_Post()
 	g_xvars.clear();
 	g_plugins.clear();
 	ClearPluginLibraries();
+	ClearTransCache();
 	modules_callPluginsUnloaded();
 
 	ClearMessages();
diff --git a/amxmodx/modules.cpp b/amxmodx/modules.cpp
index e220ecf2..a0b638ac 100755
--- a/amxmodx/modules.cpp
+++ b/amxmodx/modules.cpp
@@ -48,6 +48,7 @@
 #include "binlog.h"
 #include "libraries.h"
 #include "messages.h"
+#include "amxmod_compat.h"
 
 CList<CModule, const char*> g_modules;
 CList<CScript, AMX*> g_loadedscripts;
@@ -165,6 +166,7 @@ int load_amxscript(AMX *amx, void **program, const char *filename, char error[64
 	*error = 0;
 	size_t bufSize;
 	*program = (void *)g_plugins.ReadIntoOrFromCache(filename, bufSize);
+	bool oldfile = false;
 	if (!*program)
 	{
 		CAmxxReader reader(filename, PAWN_CELL_SIZE / 8);
@@ -218,6 +220,8 @@ int load_amxscript(AMX *amx, void **program, const char *filename, char error[64
 				strcpy(error, "Unknown error");
 				return (amx->error = AMX_ERR_NOTFOUND);
 		}
+
+		oldfile = reader.IsOldFile();
 	} else {
 		g_plugins.InvalidateFileInCache(filename, false);
 	}
@@ -369,6 +373,17 @@ int load_amxscript(AMX *amx, void **program, const char *filename, char error[64
 	}
 #endif
 
+	if (oldfile)
+	{
+		amx->flags |= AMX_FLAG_OLDFILE;
+	} else {
+		cell addr;
+		if (amx_FindPubVar(amx, "__b_old_plugin", &addr) == AMX_ERR_NONE)
+		{
+			amx->flags |= AMX_FLAG_OLDFILE;
+		}
+	}
+
 	CScript* aa = new CScript(amx, *program, filename);
 
 	g_loadedscripts.put(aa);
@@ -542,6 +557,12 @@ int set_amxnatives(AMX* amx, char error[128])
 		{
 			amx_Register(amx, cm->m_Natives[i], -1);
 		}
+
+		for (size_t i = 0; i < cm->m_NewNatives.size(); i++)
+		{
+			if (!(amx->flags & AMX_FLAG_OLDFILE))
+				amx_Register(amx, cm->m_NewNatives[i], -1);
+		}
 	}
 
 	amx_Register(amx, string_Natives, -1);
@@ -557,6 +578,11 @@ int set_amxnatives(AMX* amx, char error[128])
 	amx_Register(amx, msg_Natives, -1);
 	amx_Register(amx, vector_Natives, -1);
 	amx_Register(amx, g_SortNatives, -1);
+	
+	if (amx->flags & AMX_FLAG_OLDFILE)
+	{
+		amx_Register(amx, g_BcompatNatives, -1);
+	}
 
 	//we're not actually gonna check these here anymore
 	amx->flags |= AMX_FLAG_PRENIT;
@@ -1178,6 +1204,18 @@ int MNF_AddNatives(AMX_NATIVE_INFO* natives)
 	return TRUE;
 }
 
+int MNF_AddNewNatives(AMX_NATIVE_INFO *natives)
+{
+	CList<CModule, const char *>::iterator a = g_modules.begin();
+
+	if (!g_CurrentlyCalledModule || g_ModuleCallReason != ModuleCall_Attach)
+		return FALSE;				// may only be called from attach
+
+	g_CurrentlyCalledModule->m_NewNatives.push_back(natives);
+
+	return TRUE;
+}
+
 const char *MNF_GetModname(void)
 {
 	// :TODO: Do we have to do this?? 
@@ -1870,6 +1908,7 @@ void Module_CacheFunctions()
 
 	// Natives / Forwards
 	REGISTER_FUNC("AddNatives", MNF_AddNatives)
+	REGISTER_FUNC("AddNewNatives", MNF_AddNewNatives)
 	REGISTER_FUNC("RaiseAmxError", amx_RaiseError)
 	REGISTER_FUNC("RegisterForward", registerForward)
 	REGISTER_FUNC("RegisterSPForward", registerSPForward)
diff --git a/amxmodx/string.cpp b/amxmodx/string.cpp
index 68ed9035..5fbaad38 100755
--- a/amxmodx/string.cpp
+++ b/amxmodx/string.cpp
@@ -33,6 +33,7 @@
 #include "amxmodx.h"
 #include "format.h"
 #include "binlog.h"
+#include "amxmod_compat.h"
 
 const char* stristr(const char* str, const char* substr)
 {
@@ -115,8 +116,21 @@ extern "C" size_t get_amxstring_r(AMX *amx, cell amx_addr, char *destination, in
 	register char *dest = destination;
 	char *start = dest;
 
-	while (maxlen-- && *source)
-		*dest++=(char)(*source++);
+	if ( (amx->flags & AMX_FLAG_OLDFILE) &&
+		(*source & BCOMPAT_TRANSLATE_BITS) )
+	{
+		const char *def, *key;
+		if (!translate_bcompat(amx, source, &key, &def))
+		{
+			goto normal_string;
+		}
+		while (maxlen-- && *def)
+			*dest++=(*source++);
+	} else {
+normal_string:
+		while (maxlen-- && *source)
+			*dest++=(char)(*source++);
+	}
 
 	*dest = '\0';
 
@@ -132,16 +146,29 @@ extern "C" size_t get_amxstring_r(AMX *amx, cell amx_addr, char *destination, in
 	return dest - start;
 }
 
-char* get_amxstring(AMX *amx, cell amx_addr, int id, int& len)
+char *get_amxstring(AMX *amx, cell amx_addr, int id, int& len)
 {
 	static char buffor[4][3072];
 	register cell* source = (cell *)(amx->base + (int)(((AMX_HEADER *)amx->base)->dat + amx_addr));
 	register char* dest = buffor[id];
 	char* start = dest;
-	
-	while ((*dest++=(char)(*source++)));
 
-	len = --dest - start;
+	if ( (amx->flags & AMX_FLAG_OLDFILE) &&
+		 (*source & BCOMPAT_TRANSLATE_BITS) )
+	{
+		const char *def, *key;
+		if (!translate_bcompat(amx, source, &key, &def))
+		{
+			goto normal_string;
+		}
+		while ( (*dest++ = (*def++)) );
+		len = --dest - start;
+	} else {
+normal_string:
+		while ((*dest++=(char)(*source++)));
+
+		len = --dest - start;
+	}
 
 #if defined BINLOG_ENABLED
 	if (g_binlog_level & 2)
diff --git a/dlls/engine/Makefile b/dlls/engine/Makefile
index 049bbae8..51f60c55 100755
--- a/dlls/engine/Makefile
+++ b/dlls/engine/Makefile
@@ -14,7 +14,8 @@ NAME = engine
 BIN_SUFFIX_32 = amxx_i386.so
 BIN_SUFFIX_64 = amxx_amd64.so
 
-OBJECTS = amxxmodule.cpp amxxapi.cpp engine.cpp entity.cpp globals.cpp forwards.cpp 
+OBJECTS = amxxmodule.cpp amxxapi.cpp engine.cpp entity.cpp globals.cpp forwards.cpp \
+	amxmod_compat.cpp
 
 LINK = 
 
diff --git a/dlls/engine/amxmod_compat.cpp b/dlls/engine/amxmod_compat.cpp
new file mode 100644
index 00000000..d3ca40dc
--- /dev/null
+++ b/dlls/engine/amxmod_compat.cpp
@@ -0,0 +1,453 @@
+#include "engine.h"
+#include <cbase.h>
+
+static cvar_t *sv_knockback1 = NULL;
+static cvar_t *sv_knockback2 = NULL;
+static cvar_t *sv_friendlyfire = NULL;
+static bool g_ff_check = false;
+static bool g_kb1_check = false;
+static bool g_kb2_check = false;
+static int gmsgDamage = 0;
+static int gmsgDeathMsg = 0;
+static int gmsgScoreInfo = 0;
+
+//From VexdUM (AMX Mod 2006.2)
+//This is not exposed, and is only provided as a compatibility helper.
+BOOL is_breakable(edict_t* pBreak)
+{
+	if (FStrEq("func_breakable", STRING(pBreak->v.classname))
+		|| FStrEq("func_pushable", STRING(pBreak->v.classname))
+		&& pBreak->v.spawnflags & SF_PUSH_BREAKABLE)
+	{
+		return true;
+	}
+
+	return false;
+}
+
+//From VexdUM (AMX Mod 2006.2)
+//This is not exposed, and is only provided as a compatibility helper.
+BOOL is_monster(edict_t* pMonster)
+{
+	if(pMonster->v.flags & FL_MONSTER)
+	{
+		return true;
+	}
+
+	return false;
+}
+
+//From VexdUM (AMX Mod 2006.2)
+// Damage Monsters
+void hurt_monster(edict_t* pMonster, float dmg, int bit, const float *origin)
+{
+	int mdmg = (int)pMonster->v.health;
+	pMonster->v.health -= dmg;
+
+	// No need to create a trigger_hurt unless we are going to kill the monster ;)
+	if((int)pMonster->v.health < 1)
+	{
+		int hurt = MAKE_STRING("trigger_hurt");
+		char hbit[16];
+		char horigin[16];
+		snprintf(hbit, 15, "%i", bit);
+		snprintf(horigin, 15, "%f %f %f", origin[0], origin[1], origin[2]);
+
+		edict_t* pEntity = CREATE_NAMED_ENTITY(hurt);
+		KeyValueData pkvd1;
+		pkvd1.szClassName = "trigger_hurt";
+		pkvd1.szKeyName = "dmg";
+		pkvd1.szValue = "1.0";
+		pkvd1.fHandled = FALSE;
+		MDLL_KeyValue(pEntity, &pkvd1);
+
+		KeyValueData pkvd2;
+		pkvd2.szClassName = "trigger_hurt";
+		pkvd2.szKeyName = "damagetype";
+		pkvd2.szValue = hbit;
+		pkvd2.fHandled = FALSE;
+		MDLL_KeyValue(pEntity, &pkvd2);
+
+		KeyValueData pkvd3;
+		pkvd3.szClassName = "trigger_hurt";
+		pkvd3.szKeyName = "origin";
+		pkvd3.szValue = horigin;
+		pkvd3.fHandled = FALSE;
+		MDLL_KeyValue(pEntity, &pkvd3);
+
+		MDLL_Spawn(pEntity);
+		MDLL_Touch(pEntity, pMonster);
+		REMOVE_ENTITY(pEntity);
+	}
+	mdmg -= (int)pMonster->v.health;
+	//~dvander - Note, not porting the forward until this function is known to be truly wrapped
+	//g_forwards.executeForward(FF_MonsterHurt, ENTINDEX(pMonster), ENTINDEX(pMonster->v.dmg_inflictor), mdmg);
+}
+
+//From VexdUM (AMX Mod 2006.2)
+//This appears to be from the HLSDK CBasePlayer::TakeDamage() function.
+//This is not exposed, and is only provided as a compatibility helper.
+float ArmorDamage(edict_t* pVictim, float dmg, int bit)
+{
+	float flRatio = 0.2;
+	float flBonus = 0.5;
+	if(bit & DMG_BLAST)
+	{
+		// blasts damage armor more.
+		flBonus *= 2;
+	}
+	if(pVictim->v.armorvalue && !(bit & (DMG_FALL | DMG_DROWN)))
+	{
+		// armor doesn't protect against fall or drown damage!
+		float flNew = dmg * flRatio;
+		float flArmor = (dmg - flNew) * flBonus;
+
+		// Does this use more armor than we have?
+		if(flArmor > pVictim->v.armorvalue)
+		{
+			flArmor = pVictim->v.armorvalue;
+			flArmor *= (1/flBonus);
+			flNew = dmg - flArmor;
+			pVictim->v.armorvalue = 0;
+		} else {
+			pVictim->v.armorvalue -= flArmor;
+		}
+		dmg = flNew;
+	}
+	// Lets knock the view about abit
+	pVictim->v.punchangle.x = -4;
+	return dmg;
+}
+
+// Death emulation
+//This is not exposed, and is only provided as a compatibility helper.
+void Death(edict_t* pVictim, edict_t* pKiller, const char* weapon, int hs)
+{
+
+	if (!gmsgDeathMsg)
+	{
+		gmsgDeathMsg = GET_USER_MSG_ID(PLID, "DeathMsg", NULL);
+	}
+
+	if (!gmsgScoreInfo)
+	{
+		gmsgScoreInfo = GET_USER_MSG_ID(PLID, "ScoreInfo", NULL);
+	}
+
+	// Make sure an entity is allowed to take damage
+	if(pVictim->v.takedamage > DAMAGE_NO)
+	{
+		// Breakable Check
+		if(is_breakable(pVictim))
+		{
+			MDLL_Use(pVictim, pKiller);
+		}
+		// Monster Check
+		if (is_monster(pVictim))
+		{
+			pVictim->v.dmg_inflictor = pKiller;
+			float dmg = pVictim->v.health;
+			int bit = DMG_BULLET;
+			const float *origin = pVictim->v.origin;
+			hurt_monster(pVictim, dmg, bit, origin);
+		}
+		// Player Check
+		if (pVictim->v.flags & (FL_CLIENT | FL_FAKECLIENT))
+		{
+			pVictim->v.dmg_inflictor = pKiller;
+			edict_t* inflictor = pKiller->v.owner;
+			int inflictorId = FNullEnt(inflictor) ? ENTINDEX(inflictor) : 0;
+
+			// See if it is a player attacking with a default weapon
+			if (pKiller->v.flags & (FL_CLIENT | FL_FAKECLIENT))
+			{
+				// We only modify the weapon if it = 0, otherwise its been specified
+				if(strcmp(weapon, "") == 0)
+				{
+					char view_weapon[64];
+					// Get the name from the view model
+					weapon = STRING(pKiller->v.viewmodel);
+
+					// Strip out the beginning of the viewmodel (models/v_)
+					if(strncmp(weapon, "models/v_", 9) == 0)
+					{
+						strcpy(view_weapon, weapon + 9);
+					}
+
+					// Strip out the end of viewmodel (.mdl)
+					view_weapon[strlen(view_weapon) - 4] = '\0';
+					weapon = view_weapon;
+				}
+				// See if its an entity attacking, if so lets find its owner
+			} else if (inflictorId >= 1 && inflictorId <= gpGlobals->maxClients) {
+				// We only modify the weapon if it = 0, otherwise its been specified
+				if(strcmp(weapon, "") == 0)
+				{
+					weapon = STRING(pKiller->v.classname);
+					// Strip out the default part of weapon name (HLSDK)
+					if(strncmp(weapon, "weapon_", 7) == 0)
+					{
+						weapon += 7;
+					} else if(strncmp(weapon, "monster_", 8) == 0) {
+						weapon += 8;
+					} else if(strncmp(weapon, "func_", 5) == 0) {
+						weapon += 5;
+					}
+				}
+				// Check to see if the victim is the owner
+				if(inflictor == pVictim)
+				{
+					pKiller = pVictim;
+				} else {
+					pKiller = inflictor;
+				}
+			}
+			// Send the Death Event
+			int killerId = ENTINDEX(pKiller);
+			int victimId = ENTINDEX(pVictim);
+			MESSAGE_BEGIN( MSG_ALL, gmsgDeathMsg );
+			WRITE_BYTE( killerId > gpGlobals->maxClients ? 0 : killerId );
+			WRITE_BYTE( victimId );
+			WRITE_BYTE( hs );
+			WRITE_STRING( weapon );
+			MESSAGE_END();
+			// Log this kill
+			if(pVictim == pKiller)
+			{
+				// killed self
+				UTIL_LogPrintf("\"%s<%i><%s><%s>\" killed self with \"%s\"\n",
+					STRING( pVictim->v.netname ),
+					GETPLAYERUSERID( pVictim ),
+					GETPLAYERAUTHID( pVictim ),
+					MF_GetPlayerTeam(victimId),
+					weapon );
+				// Killed by another player
+			} else if(pKiller->v.flags & (FL_CLIENT | FL_FAKECLIENT)) {
+				UTIL_LogPrintf("\"%s<%i><%s><%s>\" killed \"%s<%i><%s><%s>\" with \"%s\"\n",
+					STRING( pKiller->v.netname ),
+					GETPLAYERUSERID( pKiller ),
+					GETPLAYERAUTHID( pKiller ),
+					MF_GetPlayerTeam(killerId),
+					STRING( pVictim->v.netname ),
+					GETPLAYERUSERID( pVictim ),
+					GETPLAYERAUTHID( pVictim ),
+					MF_GetPlayerTeam(victimId),
+					weapon);
+
+				int killerTeam = MF_GetPlayerTeamID(killerId);
+				int victimTeam = MF_GetPlayerTeamID(victimId);
+				if (killerTeam != victimTeam)
+				{
+					// Give Killer credit for this kill
+					pKiller->v.frags += 1;
+				} else {
+					pKiller->v.frags -= 1;
+				}
+				// Update the scoreboard for the killer
+				if (gmsgScoreInfo)
+				{
+					MESSAGE_BEGIN(MSG_ALL, gmsgScoreInfo);
+					WRITE_BYTE( killerId );
+					WRITE_SHORT( (int)pKiller->v.frags );
+					WRITE_SHORT( MF_GetPlayerDeaths(killerId) );
+					WRITE_SHORT( 0 );
+					WRITE_SHORT( MF_GetPlayerTeamID(killerId) );
+					MESSAGE_END();
+				}
+				// Give Victim back 1 point since they didn't kill themselves
+				pVictim->v.frags += 1;
+			}
+			// Killed by something else?
+			else {
+				UTIL_LogPrintf( "\"%s<%i><%s><%s>\" killed by \"%s\"\n",
+					STRING( pVictim->v.netname ),
+					GETPLAYERUSERID( pVictim ),
+					GETPLAYERAUTHID( pVictim ),
+					MF_GetPlayerTeam(victimId),
+					weapon );
+				// Give Victim back 1 point since they didn't commit suicide
+				pVictim->v.frags += 1;
+			}
+#if 0
+			//still a todo on this one
+			gInfo.logBlock = true;
+#endif
+			int opt = BLOCK_ONCE;
+			MF_MessageBlock(MSGBLOCK_SET, gmsgDeathMsg, &opt);
+			// Kill the client, since the relevent logging blocks are in place
+			MDLL_ClientKill(pVictim);
+			// Restore the old message type
+			MF_MessageBlock(MSGBLOCK_SET, gmsgDeathMsg, &opt);
+			// Show the Victim the killing location
+			pVictim->v.iuser3 = (killerId > gpGlobals->maxClients) ? 0 : killerId;
+		}
+	}
+}
+
+// Damage emulation
+// From VexdUM (AMX Mod 2006.2)
+//This is not exposed, and is only provided as a compatibility helper.
+void Damage(edict_t *pVictim, 
+			edict_t *pAttacker, 
+			const float *origin, 
+			float dmg, 
+			int bit, 
+			const char *weapon, 
+			int hs)
+{
+	if (!g_ff_check && !sv_friendlyfire)
+	{
+		sv_friendlyfire = CVAR_GET_POINTER("sv_friendlyfire");
+		g_ff_check = true;
+	}
+
+	if (!gmsgDamage)
+	{
+		gmsgDamage = GET_USER_MSG_ID(PLID, "Damage", NULL);
+	}
+
+	// Make sure an entity is allowed to take damage
+	if(pVictim->v.takedamage > DAMAGE_NO)
+	{
+		// Breakable Check
+		if(is_breakable(pVictim) && (int)dmg > 0)
+		{
+			MDLL_Use(pVictim, pAttacker);
+		}
+		// Monster Check
+		if(is_monster(pVictim) && (int)dmg > 0)
+		{
+			pVictim->v.dmg_inflictor = pAttacker;
+			hurt_monster(pVictim, dmg, bit, origin);
+		}
+		// Player Check
+		if(pVictim->v.flags & (FL_CLIENT | FL_FAKECLIENT))
+		{
+			int AttackerId = ENTINDEX(pAttacker);
+			int AttackerOwnerId = ENTINDEX(pAttacker->v.owner);
+			int VictimId = ENTINDEX(pVictim);
+			int vTeam = MF_GetPlayerTeamID(VictimId);
+			int aTeam = 0;
+			if (AttackerId >= 1 && AttackerId <= gpGlobals->maxClients)
+			{
+				aTeam = MF_GetPlayerTeamID(AttackerId);
+			} else if (AttackerOwnerId >= 1 && AttackerOwnerId <= gpGlobals->maxClients) {
+				aTeam = MF_GetPlayerTeamID(AttackerOwnerId);
+			}
+			if((sv_friendlyfire && (int)sv_friendlyfire->value) || (vTeam != aTeam))
+			{
+				// Recalculate the damage since we might have armor
+				dmg = ArmorDamage(pVictim, dmg, bit);
+				// Only allow damage to process if more than 0.5
+				if((int)dmg > 0)
+				{
+					// Setting to externally flag who last attacked the Victim, pretty neat huh?
+					pVictim->v.dmg_inflictor = pAttacker;
+					pVictim->v.dmg_take += dmg;
+					// Register the Damage Event
+					MESSAGE_BEGIN( MSG_ONE, gmsgDamage, NULL, pVictim );
+					WRITE_BYTE( (int)pVictim->v.dmg_save );
+					WRITE_BYTE( (int)pVictim->v.dmg_take );
+					WRITE_LONG( bit );
+					WRITE_COORD( origin[0] );
+					WRITE_COORD( origin[1] );
+					WRITE_COORD( origin[2] );
+					MESSAGE_END();
+
+					if((int)dmg >= (int)pVictim->v.health)
+					{
+						// Kill the victim
+						pVictim->v.health = 0.0;
+						// Send info to Death system
+						Death(pVictim, pAttacker, weapon, hs);
+					}else {
+						// Take health away from victim
+						pVictim->v.health -= dmg;
+					}
+				}
+			}
+		}
+	}
+}
+
+// Radius Damage emulation - 
+// From VexdUM (AMX Mod 2006.2)
+//This is not exposed, and is only provided as a compatibility helper.
+void RadiusDamage_AMXMod_Base(edict_t *pAttacker, 
+							  float dmg, 
+							  Vector vecSrc, 
+							  float rad, 
+							  int bit, 
+							  const char *weapon, 
+							  int hs)
+{
+	edict_t *pTarget = NULL;
+	TraceResult tr;
+	float falloff;
+	Vector vecSpot;
+	Vector vecSee;
+
+	if (!g_kb1_check && !sv_knockback1)
+	{
+		sv_knockback1 = CVAR_GET_POINTER("sv_knockback1");
+		g_kb1_check = true;
+	}
+	if (!g_kb2_check && !sv_knockback2)
+	{
+		sv_knockback2 = CVAR_GET_POINTER("sv_knockback2");
+		g_kb2_check = true;
+	}
+
+	if(rad > 0.0)
+	{
+		falloff = dmg / rad;
+	} else {
+		falloff = 1.0;
+	}
+	vecSrc.z += 1; // In case grenade is lying on the ground
+
+	int hitId;
+	int targetId;
+
+	while ((pTarget = UTIL_FindEntityInSphere(pTarget, vecSrc, rad)) != NULL)
+	{
+		// Make sure an entity is allowed to take damage
+		if (pTarget->v.takedamage > DAMAGE_NO)
+		{
+			//none of this code was working so I simplified it
+			//damage doesn't check for visibility now (it probably shouldn't anyway)
+			//for this to work it seems like an exception needs to be made for world OR
+			// the spot/see things aren't being calculated right.
+#if 0
+			vecSpot = (pTarget->v.absmin + pTarget->v.absmax) * 0.5;
+			vecSee = (pAttacker->v.absmin + pAttacker->v.absmax) * 0.5;
+			TRACE_LINE(vecSee, vecSpot, FALSE, pAttacker, &tr);
+			// Explosion can 'see' this entity, so hurt them!
+#endif
+			TRACE_LINE(vecSrc, pTarget->v.origin, FALSE, pAttacker, &tr);
+			hitId = ENTINDEX(tr.pHit);
+			targetId = ENTINDEX(pTarget);
+			if(tr.flFraction < 1.0 || (hitId == targetId))
+			{
+				// Work out the distance between impact and entity
+				float dist = (tr.vecEndPos - vecSrc).Length() * falloff;
+				// Damage algorithm, its just that easy :)
+				dmg -= dist;
+				// Knockback Effect
+				if(pTarget->v.flags & (FL_CLIENT | FL_FAKECLIENT) && (bit & (DMG_BLAST | DMG_CLUB | DMG_SHOCK | DMG_SONIC | DMG_ENERGYBEAM | DMG_MORTAR)))
+				{
+					Vector vecPush = (pTarget->v.origin - (pAttacker->v.absmin + pAttacker->v.absmax) * 0.5).Normalize();
+					if(dmg < 60.0)
+					{
+						pTarget->v.velocity = pTarget->v.velocity + vecPush * dmg * (sv_knockback1 ? sv_knockback1->value : 1.0f);
+					} else {
+						pTarget->v.velocity = pTarget->v.velocity + vecPush * dmg * (sv_knockback2 ? sv_knockback2->value : 1.0f);
+					}
+				}
+				// Send info to Damage system
+				Damage(pTarget, pAttacker, vecSrc, dmg, bit, weapon, hs);
+			}
+		}
+	}
+	pTarget = NULL;
+}
diff --git a/dlls/engine/amxmod_compat.h b/dlls/engine/amxmod_compat.h
new file mode 100644
index 00000000..5ae98424
--- /dev/null
+++ b/dlls/engine/amxmod_compat.h
@@ -0,0 +1,25 @@
+#ifndef _INCLUDE_ENGINE_AMXMOD_BCOMPAT_H_
+#define _INCLUDE_ENGINE_AMXMOD_BCOMPAT_H_
+
+BOOL is_breakable(edict_t* pBreak);
+BOOL is_monster(edict_t* pMonster);
+void hurt_monster(edict_t* pMonster, float dmg, int bit, const float *origin);
+float ArmorDamage(edict_t* pVictim, float dmg, int bit);
+void Death(edict_t* pVictim, edict_t* pKiller, const char* weapon, int hs);
+void Damage(edict_t *pVictim, 
+			edict_t *pAttacker, 
+			const float *origin, 
+			float dmg, 
+			int bit, 
+			const char *weapon, 
+			int hs);
+void RadiusDamage_AMXMod_Base(edict_t *pAttacker, 
+							  float dmg, 
+							  Vector vecSrc, 
+							  float rad, 
+							  int bit, 
+							  const char *weapon, 
+							  int hs);
+
+#endif //_INCLUDE_ENGINE_AMXMOD_BCOMPAT_H_
+
diff --git a/dlls/engine/amxxapi.cpp b/dlls/engine/amxxapi.cpp
index 750b73c8..5cf1a9ab 100755
--- a/dlls/engine/amxxapi.cpp
+++ b/dlls/engine/amxxapi.cpp
@@ -37,7 +37,9 @@ void OnAmxxAttach()
 	CmdStartForward = 0;
 	StartFrameForward = 0;
 	MF_AddNatives(ent_Natives);
+	MF_AddNewNatives(ent_NewNatives);
 	MF_AddNatives(engine_Natives);
+	MF_AddNewNatives(engine_NewNatives);
 	MF_AddNatives(global_Natives);
 	memset(glinfo.szLastLights, 0x0, 128);
 	memset(glinfo.szRealLights, 0x0, 128);
diff --git a/dlls/engine/amxxmodule.cpp b/dlls/engine/amxxmodule.cpp
index d8c8c56c..ab2cbdb6 100755
--- a/dlls/engine/amxxmodule.cpp
+++ b/dlls/engine/amxxmodule.cpp
@@ -2437,6 +2437,7 @@ static amxx_module_info_s g_ModuleInfo =
 
 // Storage for the requested functions
 PFN_ADD_NATIVES				g_fn_AddNatives;
+PFN_ADD_NEW_NATIVES			g_fn_AddNewNatives;
 PFN_BUILD_PATHNAME			g_fn_BuildPathname;
 PFN_BUILD_PATHNAME_R		g_fn_BuildPathnameR;
 PFN_GET_AMXADDR				g_fn_GetAmxAddr;
@@ -2513,6 +2514,9 @@ PFN_ADDLIBRARIES			g_fn_AddLibraries;
 PFN_REMOVELIBRARIES			g_fn_RemoveLibraries;
 PFN_OVERRIDENATIVES			g_fn_OverrideNatives;
 PFN_GETLOCALINFO			g_fn_GetLocalInfo;
+PFN_AMX_REREGISTER			g_fn_AmxReRegister;
+PFN_REGISTERFUNCTIONEX		g_fn_RegisterFunctionEx;
+PFN_MESSAGE_BLOCK			g_fn_MessageBlock;
 
 // *** Exports ***
 C_DLLEXPORT int AMXX_Query(int *interfaceVersion, amxx_module_info_s *moduleInfo)
@@ -2563,6 +2567,7 @@ C_DLLEXPORT int AMXX_Attach(PFN_REQ_FNPTR reqFnptrFunc)
 	REQFUNC("MergeDefinitionFile", g_fn_MergeDefinition_File, PFN_MERGEDEFINITION_FILE);
 	REQFUNC("Format", g_fn_Format, PFN_FORMAT);
 	REQFUNC("RegisterFunction", g_fn_RegisterFunction, PFN_REGISTERFUNCTION);
+	REQFUNC("RegisterFunctionEx", g_fn_RegisterFunctionEx, PFN_REGISTERFUNCTIONEX);
 
 	// Amx scripts
 	REQFUNC("GetAmxScript", g_fn_GetAmxScript, PFN_GET_AMXSCRIPT);
@@ -2588,6 +2593,7 @@ C_DLLEXPORT int AMXX_Attach(PFN_REQ_FNPTR reqFnptrFunc)
 
 	// Natives / Forwards
 	REQFUNC("AddNatives", g_fn_AddNatives, PFN_ADD_NATIVES);
+	REQFUNC("AddNewNatives", g_fn_AddNewNatives, PFN_ADD_NEW_NATIVES);
 	REQFUNC("RaiseAmxError", g_fn_RaiseAmxError, PFN_RAISE_AMXERROR);
 	REQFUNC("RegisterForward", g_fn_RegisterForward, PFN_REGISTER_FORWARD);
 	REQFUNC("RegisterSPForward", g_fn_RegisterSPForward, PFN_REGISTER_SPFORWARD);
@@ -2627,11 +2633,15 @@ C_DLLEXPORT int AMXX_Attach(PFN_REQ_FNPTR reqFnptrFunc)
 	REQFUNC("RegAuthFunc", g_fn_RegAuthFunc, PFN_REG_AUTH_FUNC);
 	REQFUNC("UnregAuthFunc", g_fn_UnregAuthFunc, PFN_UNREG_AUTH_FUNC);
 
+	//Added in 1.75 
 	REQFUNC("FindLibrary", g_fn_FindLibrary, PFN_FINDLIBRARY);
 	REQFUNC("AddLibraries", g_fn_AddLibraries, PFN_ADDLIBRARIES);
 	REQFUNC("RemoveLibraries", g_fn_RemoveLibraries, PFN_REMOVELIBRARIES);
 	REQFUNC("OverrideNatives", g_fn_OverrideNatives, PFN_OVERRIDENATIVES);
 	REQFUNC("GetLocalInfo", g_fn_GetLocalInfo, PFN_GETLOCALINFO);
+	REQFUNC("AmxReregister", g_fn_AmxReRegister, PFN_AMX_REREGISTER);
+
+	REQFUNC("MessageBlock", g_fn_MessageBlock, PFN_MESSAGE_BLOCK);
 
 #ifdef MEMORY_TEST
 	// Memory
@@ -2766,6 +2776,7 @@ void ValidateMacros_DontCallThis_Smiley()
 	MF_GetPlayerEdict(0);
 	MF_Format("", 4, "str");
 	MF_RegisterFunction(NULL, "");
+	MF_RegisterFunctionEx(NULL, "");
 	MF_SetPlayerTeamInfo(0, 0, "");
 	MF_PlayerPropAddr(0, 0);
 	MF_RegAuthFunc(NULL);
@@ -2773,7 +2784,8 @@ void ValidateMacros_DontCallThis_Smiley()
 	MF_FindLibrary(NULL, LibType_Class);
 	MF_AddLibraries(NULL, LibType_Class, NULL);
 	MF_RemoveLibraries(NULL);
-	MF_OverrideNatives(NULL, "");
+	MF_OverrideNatives(NULL, NULL);
+	MF_MessageBlock(0, 0, NULL);
 }
 #endif
 
diff --git a/dlls/engine/amxxmodule.h b/dlls/engine/amxxmodule.h
index 1136e594..964ad53b 100755
--- a/dlls/engine/amxxmodule.h
+++ b/dlls/engine/amxxmodule.h
@@ -2095,9 +2095,16 @@ enum LibType
 	LibType_Class
 };
 
+#define MSGBLOCK_SET	0
+#define MSGBLOCK_GET	1
+#define BLOCK_NOT 0
+#define BLOCK_ONCE 1
+#define BLOCK_SET 2
+
 typedef void (*AUTHORIZEFUNC)(int player, const char *authstring);
 
 typedef int				(*PFN_ADD_NATIVES)				(const AMX_NATIVE_INFO * /*list*/);
+typedef int				(*PFN_ADD_NEW_NATIVES)			(const AMX_NATIVE_INFO * /*list*/);
 typedef char *			(*PFN_BUILD_PATHNAME)			(const char * /*format*/, ...);
 typedef char *			(*PFN_BUILD_PATHNAME_R)			(char * /*buffer*/, size_t /* maxlen */, const char * /* format */, ...);
 typedef cell *			(*PFN_GET_AMXADDR)				(AMX * /*amx*/, cell /*offset*/);
@@ -2183,8 +2190,10 @@ typedef void			(*PFN_OVERRIDENATIVES)			(AMX_NATIVE_INFO * /*natives*/, const ch
 typedef const char *	(*PFN_GETLOCALINFO)				(const char * /*name*/, const char * /*def*/);
 typedef int				(*PFN_AMX_REREGISTER)			(AMX * /*amx*/, AMX_NATIVE_INFO * /*list*/, int /*list*/);
 typedef void *			(*PFN_REGISTERFUNCTIONEX)		(void * /*pfn*/, const char * /*desc*/);
+typedef void			(*PFN_MESSAGE_BLOCK)			(int /* mode */, int /* message */, int * /* opt */);
 
 extern PFN_ADD_NATIVES				g_fn_AddNatives;
+extern PFN_ADD_NEW_NATIVES			g_fn_AddNewNatives;
 extern PFN_BUILD_PATHNAME			g_fn_BuildPathname;
 extern PFN_BUILD_PATHNAME_R			g_fn_BuildPathnameR;
 extern PFN_GET_AMXADDR				g_fn_GetAmxAddr;
@@ -2257,11 +2266,13 @@ extern PFN_OVERRIDENATIVES			g_fn_OverrideNatives;
 extern PFN_GETLOCALINFO				g_fn_GetLocalInfo;
 extern PFN_AMX_REREGISTER			g_fn_AmxReRegister;
 extern PFN_REGISTERFUNCTIONEX		g_fn_RegisterFunctionEx;
+extern PFN_MESSAGE_BLOCK			g_fn_MessageBlock;
 
 #ifdef MAY_NEVER_BE_DEFINED
 // Function prototypes for intellisense and similar systems
 // They understand #if 0 so we use #ifdef MAY_NEVER_BE_DEFINED
 int				MF_AddNatives				(const AMX_NATIVE_INFO *list) { }
+int				MF_AddNewNatives			(const AMX_NATIVE_INFO *list) { }
 char *			MF_BuildPathname			(const char * format, ...) { }
 char *			MF_BuildPathnameR			(char *buffer, size_t maxlen, const char *fmt, ...) { }
 cell *			MF_GetAmxAddr				(AMX * amx, cell offset) { }
@@ -2328,9 +2339,11 @@ void			MF_OverrideNatives			(AMX_NATIVE_INFO *natives, const char *myname) { }
 const char *	MF_GetLocalInfo				(const char *name, const char *def) { }
 int				MF_AmxReRegister			(AMX *amx, AMX_NATIVE_INFO *list, int number) { return 0; }
 void *			MF_RegisterFunctionEx		(void *pfn, const char *description) { }
+void *			MF_MessageBlock				(int mode, int msg, int *opt) { }
 #endif	// MAY_NEVER_BE_DEFINED
 
 #define MF_AddNatives g_fn_AddNatives
+#define MF_AddNewNatives g_fn_AddNewNatives
 #define MF_BuildPathname g_fn_BuildPathname
 #define MF_BuildPathnameR g_fn_BuildPathnameR
 #define MF_FormatAmxString g_fn_FormatAmxString
@@ -2404,6 +2417,7 @@ void MF_LogError(AMX *amx, int err, const char *fmt, ...);
 #define MF_GetLocalInfo g_fn_GetLocalInfo
 #define MF_AmxReRegister g_fn_AmxReRegister
 #define MF_RegisterFunctionEx g_fn_RegisterFunctionEx
+#define MF_MessageBlock g_fn_MessageBlock
 
 #ifdef MEMORY_TEST
 /*** Memory ***/
diff --git a/dlls/engine/engine.cpp b/dlls/engine/engine.cpp
index 199ed464..0e2fa601 100755
--- a/dlls/engine/engine.cpp
+++ b/dlls/engine/engine.cpp
@@ -1,4 +1,5 @@
 #include "engine.h"
+#include "amxmod_compat.h"
 
 struct usercmd_s *g_cmd;
 struct PlayerInfo plinfo[33];
@@ -97,11 +98,33 @@ static cell AMX_NATIVE_CALL halflife_time(AMX *amx, cell *params)
 	return amx_ftoc(fVal);
 }
 
-// RadiusDamage. Damages players within a certain radius. ToDo: add the
-// damage messaging so players know where the damage is coming from
-// (the red arrow-like things on the screen).
-//(vexd)
-static cell AMX_NATIVE_CALL RadiusDamage(AMX *amx, cell *params) {
+//This is not exposed, and is only provided as a compatibility helper.
+static cell AMX_NATIVE_CALL RadiusDamage_AMXMod(AMX *amx, cell *params)
+{
+	int ent = params[1];
+	CHECK_ENTITY_SIMPLE(ent);
+	edict_t* pEntity = INDEXENT(ent);
+	float dmg = amx_ctof(params[2]);
+	cell *vInput = MF_GetAmxAddr(amx, params[3]);
+	float vOrig[3];
+
+	vOrig[0] = amx_ctof(vInput[0]);
+	vOrig[1] = amx_ctof(vInput[1]);
+	vOrig[2] = amx_ctof(vInput[2]);
+
+	float rad = amx_ctof(params[4]);
+	int bit = params[5];
+	int iLen;
+	char *vxWeapon = MF_GetAmxString(amx, params[6], 0, &iLen);
+	int hs = params[7];
+
+	RadiusDamage_AMXMod_Base(pEntity, dmg, vOrig, rad, bit, vxWeapon, hs);
+
+	return 1;
+}
+
+static cell AMX_NATIVE_CALL RadiusDamage_AMXModX(AMX *amx, cell *params)
+{
 	cell *cAddr = MF_GetAmxAddr(amx,params[1]);
 
 	REAL fCurrentX = amx_ctof(cAddr[0]);
@@ -164,6 +187,24 @@ static cell AMX_NATIVE_CALL RadiusDamage(AMX *amx, cell *params) {
 	return 1;
 }
 
+// RadiusDamage. Damages players within a certain radius. ToDo: add the
+// damage messaging so players know where the damage is coming from
+// (the red arrow-like things on the screen).
+//(vexd)
+static cell AMX_NATIVE_CALL RadiusDamage(AMX *amx, cell *params)
+{
+	cell numParams = params[0] / sizeof(cell);
+
+	if (numParams == 3)
+	{
+		return RadiusDamage_AMXModX(amx, params);
+	} else if (numParams == 7) {
+		return RadiusDamage_AMXMod(amx, params);
+	}
+
+	return 0;
+}
+
 static cell AMX_NATIVE_CALL PointContents(AMX *amx, cell *params)
 {
 	cell *cAddr = MF_GetAmxAddr(amx, params[1]);
@@ -926,6 +967,12 @@ static cell AMX_NATIVE_CALL trace_forward(AMX *amx, cell *params)
    return 1;
 }
 
+AMX_NATIVE_INFO engine_NewNatives[] = 
+{
+	{"trace_line",			trace_line},
+	{NULL,					NULL}
+};
+
 AMX_NATIVE_INFO engine_Natives[] = {
 	{"halflife_time",		halflife_time},
 
@@ -934,7 +981,6 @@ AMX_NATIVE_INFO engine_Natives[] = {
 	{"radius_damage",		RadiusDamage},
 	{"point_contents",		PointContents},
 	{"trace_normal",		trace_normal},
-	{"trace_line",			trace_line},
 	{"trace_hull",			trace_hull},
 	{"traceresult",			traceresult},
 
@@ -965,6 +1011,6 @@ AMX_NATIVE_INFO engine_Natives[] = {
 	{"is_visible",			is_visible},
 	{"trace_forward",		trace_forward},
 
-	{NULL,					NULL},
+	{NULL,					NULL}
 	 ///////////////////
 };
diff --git a/dlls/engine/engine.h b/dlls/engine/engine.h
index 94a601b8..f2b3aa64 100755
--- a/dlls/engine/engine.h
+++ b/dlls/engine/engine.h
@@ -210,6 +210,7 @@ extern struct usercmd_s *g_cmd;
 extern struct PlayerInfo plinfo[33];
 extern struct GlobalInfo glinfo;
 extern AMX_NATIVE_INFO engine_Natives[];
+extern AMX_NATIVE_INFO engine_NewNatives[];
 extern CVector<Impulse *> Impulses;
 extern CVector<EntClass *> Thinks;
 extern CVector<Touch *> Touches;
diff --git a/dlls/engine/engine.vcproj b/dlls/engine/engine.vcproj
index 59d4be87..0e906593 100755
--- a/dlls/engine/engine.vcproj
+++ b/dlls/engine/engine.vcproj
@@ -117,6 +117,9 @@
 			Name="Source Files"
 			Filter="cpp;c;cxx;def;odl;idl;hpj;bat;asm;asmx"
 			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}">
+			<File
+				RelativePath=".\amxmod_compat.cpp">
+			</File>
 			<File
 				RelativePath=".\amxxapi.cpp">
 			</File>
@@ -137,6 +140,9 @@
 			Name="Header Files"
 			Filter="h;hpp;hxx;hm;inl;inc;xsd"
 			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}">
+			<File
+				RelativePath=".\amxmod_compat.h">
+			</File>
 			<File
 				RelativePath=".\CString.h">
 			</File>
diff --git a/dlls/engine/entity.cpp b/dlls/engine/entity.cpp
index 9c1c6aa8..21103862 100755
--- a/dlls/engine/entity.cpp
+++ b/dlls/engine/entity.cpp
@@ -1509,6 +1509,12 @@ static cell AMX_NATIVE_CALL get_grenade_id(AMX *amx, cell *params)  /* 4 param *
 	return 0;
 }
 
+AMX_NATIVE_INFO ent_NewNatives[] =
+{
+	{"DispatchKeyValue",	DispatchKeyValue},
+	{NULL,					NULL}
+};
+
 AMX_NATIVE_INFO ent_Natives[] = {
 	{"create_entity",		create_entity},
 	{"remove_entity",		remove_entity},
@@ -1532,7 +1538,6 @@ AMX_NATIVE_INFO ent_Natives[] = {
 	{"entity_set_origin",	entity_set_origin},
 	{"entity_set_model",	entity_set_model},
 	{"entity_set_size",		entity_set_size},
-	{"DispatchKeyValue",	DispatchKeyValue},
 	{"DispatchSpawn",		DispatchSpawn},
 
 	{"call_think",			call_think},
@@ -1554,7 +1559,7 @@ AMX_NATIVE_INFO ent_Natives[] = {
 
 	{"copy_keyvalue",		copy_keyvalue},
 
-	{NULL,					NULL},
+	{NULL,					NULL}
 	 ///////////////////
 };
 
diff --git a/dlls/engine/entity.h b/dlls/engine/entity.h
index 8d5c1097..cc7169a1 100755
--- a/dlls/engine/entity.h
+++ b/dlls/engine/entity.h
@@ -151,6 +151,7 @@ enum {
 void UTIL_SetSize(edict_t *pev, const Vector &vecMin, const Vector &vecMax);
 
 extern AMX_NATIVE_INFO ent_Natives[];
+extern AMX_NATIVE_INFO ent_NewNatives[];
 
 #endif //_INCLUDE_ENGINE_ENTSTUFF
 
diff --git a/plugins/include/Vexd_Utilities.inc b/plugins/include/Vexd_Utilities.inc
deleted file mode 100755
index 24236589..00000000
--- a/plugins/include/Vexd_Utilities.inc
+++ /dev/null
@@ -1,104 +0,0 @@
-/* Vexd Utility backwards compatibility
-*
-* by the AMX Mod X Development Team
-*
-* This file is provided as is (no warranties).
-*/
-
-#if defined _Vexd_Utilities_included
-  #endinput
-#endif
-#define _Vexd_Utilities_included
-
-#include <engine>
-
-stock Entvars_Get_Int(iIndex, iVariable)
-	return entity_get_int(iIndex, iVariable)
-
-stock Entvars_Set_Int(iIndex, iVariable, iNewValue)
-	return entity_set_int(iIndex, iVariable, iNewValue)
-
-stock Float:Entvars_Get_Float(iIndex, iVariable)
-	return entity_get_float(iIndex, iVariable)
-
-stock Entvars_Set_Float(iIndex, iVariable, Float:fNewValue)
-	return entity_set_float(iIndex, iVariable, fNewValue)
-
-stock Entvars_Get_Vector(iIndex, iVariable, Float:vRetVector[3])
-	return entity_get_vector(iIndex, iVariable, vRetVector)
-
-stock Entvars_Set_Vector(iIndex, iVariable, Float:vNewVector[3])
-	return entity_set_vector(iIndex, iVariable, vNewVector)
-
-stock Entvars_Get_Edict(iIndex, iVariable)
-	return entity_get_edict(iIndex, iVariable)
-
-stock Entvars_Set_Edict(iIndex, iVariable, iNewIndex)
-	return entity_set_edict(iIndex, iVariable, iNewIndex)
-
-stock Entvars_Get_String(iIndex, iVariable, szReturnValue[], iReturnLen)
-	return entity_get_string(iIndex, iVariable, szReturnValue, iReturnLen)
-
-stock Entvars_Set_String(iIndex, iVariable, szNewValue[])
-	return entity_set_string(iIndex, iVariable, szNewValue)
-
-stock Entvars_Get_Byte(iIndex, iVariable)
-	return entity_get_byte(iIndex, iVariable)
-
-stock Entvars_Set_Byte(iIndex, iVariable, iNewValue)
-	return entity_set_byte(iIndex, iVariable, iNewValue)
-
-stock CreateEntity(szClassname[])
-	return create_entity(szClassname)
-
-stock ENT_SetModel(iIndex, szModel[])
-	return entity_set_model(iIndex, szModel)
-
-stock ENT_SetOrigin(iIndex, Float:fNewOrigin[3])
-	return entity_set_origin(iIndex, fNewOrigin)
-
-stock FindEntity(iIndex, szValue[])
-	return find_ent_by_class(iIndex, szValue)
-
-stock RemoveEntity(iIndex)
-	return remove_entity(iIndex)
-
-stock TraceLn(iIgnoreEnt, Float:fStart[3], Float:fEnd[3], Float:vReturn[3])
-	return trace_line(iIgnoreEnt, fStart, fEnd, vReturn)
-
-stock TraceNormal(iIgnoreEnt, Float:fStart[3], Float:fEnd[3], Float:vReturn[3])
-	return trace_normal(iIgnoreEnt, fStart, fEnd, vReturn)
-
-stock VecToAngles(Float:fVector[3], Float:vReturn[3])
-	return vector_to_angle(fVector, vReturn)
-
-stock Float:VecLength(Float:vVector[3])
-	return vector_length(vVector)
-
-stock Float:VecDist(Float:vVector[3], Float:vVector2[3])
-	return vector_distance(vVector, vVector2)
-
-stock MessageBlock(iMessage, iMessageFlags)
-	return set_msg_block(iMessage, iMessageFlags)
-
-stock GetMessageBlock(iMessage)
-	return get_msg_block(iMessage)
-
-stock Float:HLTime()
-	return halflife_time()
-
-stock FakeTouch(iToucher, iTouched)
-	return fake_touch(iToucher, iTouched)
-
-stock AttachView(iIndex, iTargetIndex)
-	return attach_view(iIndex, iTargetIndex)
-
-stock SetView(iIndex, ViewType)
-	return set_view(iIndex, ViewType)
-
-stock SetSpeak(iIndex, iSpeakFlags)
-	return set_speak(iIndex, iSpeakFlags)
-
-forward vexd_pfntouch(pToucher, pTouched)
-
-forward ServerFrame()
\ No newline at end of file
diff --git a/plugins/include/amxmisc.inc b/plugins/include/amxmisc.inc
index f4d47d16..1f2e544b 100755
--- a/plugins/include/amxmisc.inc
+++ b/plugins/include/amxmisc.inc
@@ -11,6 +11,14 @@
 #endif
 #define _amxmisc_included
 
+#if defined AMXMOD_BCOMPAT
+#if defined _translator_included
+#define SIMPLE_T(%1)	_T(%1)
+#else
+#define SIMPLE_T(%1)	%1
+#endif
+#endif
+
 stock is_user_admin(id)
 {
   return ( get_user_flags(id)>0 && !(get_user_flags(id)&ADMIN_USER) )
@@ -30,13 +38,21 @@ stock cmd_access(id,level,cid,num) {
   }
 
   if ( has_access==0 ) {
+#if defined AMXMOD_BCOMPAT
+    console_print(id, SIMPLE_T("You have no access to that command."))
+#else
     console_print(id,"%L",id,"NO_ACC_COM")
+#endif
     return 0
   }
   if (read_argc() < num) {
     new hcmd[32], hinfo[128], hflag
     get_concmd(cid,hcmd,31,hflag,hinfo,127,level)
+#if defined AMXMOD_BCOMPAT
+    console_print(id, SIMPLE_T("Usage:  %s %s"), hcmd, SIMPLE_T(hinfo))
+#else
     console_print(id,"%L:  %s %s",id,"USAGE",hcmd,hinfo)
+#endif
     return 0
   }
   return 1
@@ -58,21 +74,33 @@ stock cmd_target(id,const arg[],flags = 1) {
   new player = find_player("bl",arg)
   if (player) {
     if ( player != find_player("blj",arg) ) {
+#if defined AMXMOD_BCOMPAT
+      console_print(id, SIMPLE_T("There are more clients matching to your argument"))
+#else
       console_print(id,"%L",id,"MORE_CL_MATCHT")
+#endif
       return 0
     }
   }
   else if ( ( player = find_player("c",arg) )==0 && arg[0]=='#' && arg[1] )
     player = find_player("k",str_to_num(arg[1]))
   if (!player) {
+#if defined AMXMOD_BCOMPAT
+    console_print(id, SIMPLE_T("Client with that name or userid not found"))
+#else
     console_print(id,"%L",id,"CL_NOT_FOUND")
+#endif
     return 0
   }
   if (flags & 1) {
     if ((get_user_flags(player)&ADMIN_IMMUNITY) && ((flags&2)?(id!=player):true) ) {
       new imname[32]
       get_user_name(player,imname,31)
+#if defined AMXMOD_BCOMPAT
+      console_print(id, SIMPLE_T("Client ^"%s^" has immunity"), imname)
+#else
       console_print(id,"%L",id,"CLIENT_IMM",imname)
+#endif
       return 0
     }
   }
@@ -80,7 +108,11 @@ stock cmd_target(id,const arg[],flags = 1) {
     if (!is_user_alive(player)) {
       new imname[32]
       get_user_name(player,imname,31)
+#if defined AMXMOD_BCOMPAT
+      console_print(id, SIMPLE_T("That action can't be performed on dead client ^"%s^""), imname)
+#else
       console_print(id,"%L",id,"CANT_PERF_DEAD",imname)
+#endif
       return 0
     }
   }
@@ -88,7 +120,11 @@ stock cmd_target(id,const arg[],flags = 1) {
     if (is_user_bot(player)) {
       new imname[32]
       get_user_name(player,imname,31)
+#if defined AMXMOD_BCOMPAT
+      console_print(id, SIMPLE_T("That action can't be performed on bot ^"%s^""), imname)
+#else
       console_print(id,"%L",id,"CANT_PERF_BOT",imname)
+#endif
       return 0
     }
   }
@@ -98,11 +134,20 @@ stock cmd_target(id,const arg[],flags = 1) {
 stock show_activity( id, const name[], {Float,_}: ... ) {
   new buffer[128]
   format_args( buffer , 127 , 2 )
-  switch(get_cvar_num("amx_show_activity")) {
-    case 2: client_print(0,print_chat,"%L %s: %s",
-      id, is_user_admin(id) ? "ADMIN" : "PLAYER" , name , buffer )
-    case 1: client_print(0,print_chat,"%L: %s",
-      id, is_user_admin(id) ? "ADMIN" : "PLAYER", buffer )
+  switch(get_cvar_num("amx_show_activity"))
+  {
+    case 2:
+#if defined AMXMOD_BCOMPAT
+       client_print(0, print_chat, "%s %s: %s", is_user_admin(id) ? SIMPLE_T("ADMIN") : SIMPLE_T("PLAYER"), name, buffer)
+#else
+       client_print(0, print_chat, "%L %s: %s", id, is_user_admin(id) ? "ADMIN" : "PLAYER" , name , buffer )
+#endif
+    case 1: 
+#if defined AMXMOD_BCOMPAT
+       client_print(0, print_chat, "%s: %s", is_user_admin(id) ? SIMPLE_T("ADMIN") : SIMPLE_T("PLAYER"), buffer)
+#else
+       client_print(0, print_chat, "%L: %s", id, is_user_admin(id) ? "ADMIN" : "PLAYER", buffer )
+#endif
   }
 }
 
diff --git a/plugins/include/amxmod.inc b/plugins/include/amxmod.inc
deleted file mode 100755
index d77894d7..00000000
--- a/plugins/include/amxmod.inc
+++ /dev/null
@@ -1,42 +0,0 @@
-/* AMX Mod X Backwards Compatibility
-*
-* by the AMX Mod X Development Team
-*
-* This file is provided as is (no warranties).
-*/
-
-#if defined _amxmod_included
-  #endinput
-#endif
-#define _amxmod_included
-
-#include <amxmodx>
-#include <cstrike>
-#include <engine>
-#include <fun>
-
-stock user_spawn(index)
-  return spawn(index)
-
-stock get_logfile( name[], len )
-  return get_time("admin%m%d.log",name,len)
-
-stock get_user_money(index)
-  return cs_get_user_money(index)
-
-stock set_user_money(index,money,flash=1)
-  return cs_set_user_money(index,money,flash)
-
-stock numtostr(num,string[],len)
-  return num_to_str(num,string,len)
-
-stock strtonum(const string[])
-  return str_to_num(string)
-
-stock build_path( path[] , len , {Float,_}:... )
-{
-  new basedir[32]
-  get_localinfo("amxx_basedir",basedir,31)
-  format_args(path,len,2)
-  return replace(path,len,"$basedir",basedir)
-}
\ No newline at end of file
diff --git a/plugins/include/engine.inc b/plugins/include/engine.inc
index a0c570db..935c860e 100755
--- a/plugins/include/engine.inc
+++ b/plugins/include/engine.inc
@@ -121,7 +121,9 @@ native fake_touch(entTouched, entToucher);
 /* 2 formats.
    Format: DispatchKeyValue("KeyName","Value") - sets keyvalues for the entity specified in the keyvalue() forward.
    Format: DispatchKeyValue(index,"KeyName","Value") - Sets keyvalue for entity not specified in keyvalue() forward. */
+#if !defined AMXMOD_BCOMPAT
 native DispatchKeyValue(...);
+#endif
 
 native get_keyvalue(entity, szKey[], value[], maxLength);
 
@@ -131,14 +133,18 @@ native copy_keyvalue(szClassName[],sizea,szKeyName[],sizeb,szValue[],sizec);
 native DispatchSpawn(iIndex);
 
 /* Hurts/Kills players in a sphere, like an explosion, Multiplier determines damage. */
+#if !defined AMXMOD_BCOMPAT
 native radius_damage(Float:fExplodeAt[3], iDamageMultiplier, iRadiusMultiplier);
+#endif
 
 /* Will return the contents of a point (inside map? in sky? outside map? etc.). */
 native point_contents(Float:fCheckAt[3]);
 
 /* Trace a line from Start(X, Y, Z) to End(X, Y, Z), will return the point hit in vReturn[3]
  * and an entity index if an entity is hit. */
+#if !defined AMXMOD_BCOMPAT
 native trace_line(iIgnoreEnt, Float:fStart[3], Float:fEnd[3], Float:vReturn[3]);
+#endif
 
 /* Traces a hull. */
 native trace_hull(Float:origin[3],hull,ignoredent=0,ignoremonsters=0);
diff --git a/plugins/include/float.inc b/plugins/include/float.inc
index c158e4a6..ba037059 100755
--- a/plugins/include/float.inc
+++ b/plugins/include/float.inc
@@ -66,14 +66,22 @@ native Float:floatpower(Float:value, Float:exponent);
 native Float:floatlog(Float:value, Float:base=10.0);
 
 /* Return the sine, cosine or tangent.
-* The input angle may be in radian, degrees or grades. */
+ * The input angle may be in radians, degrees or grades. */
 native Float:floatsin(Float:value, anglemode:mode=radian);
 native Float:floatcos(Float:value, anglemode:mode=radian);
 native Float:floattan(Float:value, anglemode:mode=radian);
 
+/* Return the hyperbolic sine, cosine or tangent.
+ * The input angle may be in radians, degrees or grades. */
+native Float:floatsinh(Float:angle, anglemode:mode=radian);
+native Float:floatcosh(Float:angle, anglemode:mode=radian);
+native Float:floattanh(Float:angle, anglemode:mode=radian);
+
 /* Return the absolute value */
 native Float:floatabs(Float:value);
 
+/* Return the angle of a sine, cosine or tangent.
+ * The output angle may be in radians, degrees, or grades. */
 native Float:floatatan(Float:angle, radix);
 native Float:floatacos(Float:angle, radix);
 native Float:floatasin(Float:angle, radix);
diff --git a/plugins/include/hlsdk_const.inc b/plugins/include/hlsdk_const.inc
index dcba23d7..112773a8 100644
--- a/plugins/include/hlsdk_const.inc
+++ b/plugins/include/hlsdk_const.inc
@@ -159,6 +159,12 @@
 #define DMG_MORTAR                      (1<<23)     // Hit by air raid (done to distinguish grenade from mortar)
 #define DMG_TIMEBASED                   (~(0x3fff)) // Mask for time-based damage
 
+// The fNoMonsters parameter of EngFunc_TraceLine, EngFunc_TraceMonsterHull, EngFunc_TraceHull, and EngFunc_TraceSphere
+#define DONT_IGNORE_MONSTERS            0
+#define IGNORE_MONSTERS                 1
+#define IGNORE_MISSILE                  2
+#define IGNORE_GLASS                    0x100
+
 // The hullnumber paramater of EngFunc_TraceHull, EngFunc_TraceModel and DLLFunc_GetHullBounds
 #define HULL_POINT                      0
 #define HULL_HUMAN                      1
diff --git a/plugins/include/xtrafun.inc b/plugins/include/xtrafun.inc
deleted file mode 100755
index 0342b75f..00000000
--- a/plugins/include/xtrafun.inc
+++ /dev/null
@@ -1,95 +0,0 @@
-/* Xtrafun backwards compatibility
-*
-* by the AMX Mod X Development Team
-* These natives were originally made by SpaceDude, EJ, and JustinHoMi.
-*
-* This file is provided as is (no warranties).
-*/
-
-#if !defined _xtrafun_included
-	#define _xtrafun_included
-
-#if !defined _engine_included
-	#include <engine.inc>
-#endif
-
-/* Gets the velocity of an entity */
-stock get_entity_velocity(index, velocity[3]) {
-	new Float:vector[3]
-	entity_get_vector(index, EV_VEC_velocity, vector)
-	FVecIVec(vector, velocity)
-}
-
-/* Sets the velocity of an entity */
-stock set_entity_velocity(index, velocity[3]) {
-	new Float:vector[3]
-	IVecFVec(velocity, vector)
-	entity_set_vector(index, EV_VEC_velocity, vector)
-}
-
-/* Gets the origin of an entity */
-stock get_entity_origin(index, origin[3]) {
-	new Float:vector[3]
-	entity_get_vector(index, EV_VEC_origin, vector)
-	FVecIVec(vector, origin)
-}
-
-/* Sets the origin of an entity */
-stock set_entity_origin(index, origin[3]) {
-	new Float:vector[3]
-	IVecFVec(origin, vector)
-	entity_set_vector(index, EV_VEC_origin, vector)
-}
-
-/* Get the index of the grenade belonging to index.
- * Model of grenade is returned in model[].
- * Specify the grenadeindex to start searching from,
- * or leave it at 0 to search from the start.
- * Returns grenade index.
- * Paths + models of grenades in Counter-Strike:
- * HEGRENADE = "models/w_hegrenade.mdl"
- * FLASHBANG = "models/w_flashbang.mdl"
- * SMOKEGRENADE = "models/w_smokegrenade.mdl" */
-stock get_grenade_index(index, model[], len, grenadeindex = 0) {
-	new entfind = grenadeindex
-	new entowner = index
-
-	for (;;) {
-		entfind = find_ent_by_class(entfind, "grenade")
-
-		if (entfind && is_valid_ent(entfind)) {
-			if (entity_get_edict(entFind, EV_ENT_owner) == entowner) {
-				entity_get_string(entfind, EV_SZ_model, model)
-				return entfind
-			}
-		}
-		else {
-			// Eventually comes here if loop fails to find a grenade with specified owner.
-			return 0;
-		}
-	}
-}
-
-/* Find the number of entities in the game */
-stock current_num_ents() {
-	return entity_count();
-}
-
-enum {
-   classname = 0,
-   target,
-   targetname
-}
-
-/* Find an entity ID from start_from_ent id (use 0 to start from
- * the beginning, category is either "classname", "target" or
- * "targetname", value is the name you are searching for */
-stock find_entity(start_from_ent, category, value[]) {
-	switch (category) {
-		case target: return find_ent_by_target(start_from_ent, value)
-		case targetname: return find_ent_by_tname(start_from_ent, value)
-	}
-	return find_ent_by_class(start_from_ent, value)
-}
-
-#endif // _xtrafun_included
\ No newline at end of file