diff -r 5ee88a5a8bb5 -r a116c415c73e extensions/cstrike/forwards.cpp
--- a/extensions/cstrike/forwards.cpp	Sun May 27 16:51:29 2012 -0400
+++ b/extensions/cstrike/forwards.cpp	Sat May 26 18:31:23 2012 -0400
@@ -1,5 +1,6 @@
 #include "extension.h"
 #include "forwards.h"
+#include "util_cstrike.h"
 
 bool g_pTerminateRoundDetoured = false;
 bool g_pCSWeaponDropDetoured = false;
@@ -37,11 +38,27 @@
 		lastclient = -1;
 		return 0;
 	}
+
+#if SOURCE_ENGINE == SE_CSGO
+	int defaultprice = -1;
+	if (g_iPriceOffset != -1 && g_PriceDetoured)
+	{
+		defaultprice = CallPriceForwardCSGO(client, weapon);
+	}
+#endif
+
 	int val = DETOUR_MEMBER_CALL(DetourHandleBuy)(weapon);
+
+#if SOURCE_ENGINE == SE_CSGO
+	if (defaultprice != -1)
+		SetWeaponPrice(weapon, defaultprice);
+#endif
+
 	lastclient = -1;
 	return val;
 }
 
+#if SOURCE_ENGINE != SE_CSGO
 DETOUR_DECL_MEMBER0(DetourWeaponPrice, int)
 {
 	int price = DETOUR_MEMBER_CALL(DetourWeaponPrice)();
@@ -53,6 +70,7 @@
 
 	return CallPriceForward(lastclient, weapon_name, price);
 }
+#endif
 
 DETOUR_DECL_MEMBER2(DetourTerminateRound, void, float, delay, int, reason)
 {
@@ -79,6 +97,7 @@
 
 	return DETOUR_MEMBER_CALL(DetourTerminateRound)(orgdelay, orgreason);
 }
+
 DETOUR_DECL_MEMBER3(DetourCSWeaponDrop, void, CBaseEntity *, weapon, bool, something, bool, toss)
 {
 	if (g_pIgnoreCSWeaponDropDetour)
@@ -102,6 +121,7 @@
 
 	return;
 }
+
 bool CreateWeaponPriceDetour()
 {
 	if (weaponNameOffset == -1)
@@ -112,6 +132,29 @@
 			return false;
 		}
 	}
+
+#if SOURCE_ENGINE == SE_CSGO
+	if (g_iPriceOffset == -1)
+	{
+		if (!g_pGameConf->GetOffset("WeaponPrice", &g_iPriceOffset))
+		{
+			g_iPriceOffset = -1;
+			g_pSM->LogError(myself, "Failed to get WeaponPrice offset - Disabled OnGetWeaponPrice forward");
+			return false;
+		}
+	}
+	if (!CreateHandleBuyDetour())
+	{
+		g_pSM->LogError(myself, "HandleCommand_Buy_Internal failed to detour, disabled OnGetWeaponPrice forward.");
+		return false;
+	}
+	else
+	{
+		g_PriceDetoured = true;
+		return true;
+	}
+#else
+
 	DWeaponPrice = DETOUR_CREATE_MEMBER(DetourWeaponPrice, "GetWeaponPrice");
 
 	if (DWeaponPrice != NULL)
@@ -129,6 +172,7 @@
 	g_pSM->LogError(myself, "GetWeaponPrice detour could not be initialized - Disabled OnGetWeaponPrice forward.");
 
 	return false;
+#endif
 }
 
 bool CreateTerminateRoundDetour()
@@ -179,13 +223,14 @@
 
 void RemoveWeaponPriceDetour()	
 {
+#if SOURCE_ENGINE != SE_CSGO
 	if (DWeaponPrice != NULL)
 	{
 		DWeaponPrice->Destroy();
 		DWeaponPrice = NULL;
 	}
 	g_PriceDetoured = false;
-
+#endif
 }
 
 void RemoveHandleBuyDetour()	
@@ -220,6 +265,85 @@
 	}
 	g_pCSWeaponDropDetoured = false;
 }
+
+#if SOURCE_ENGINE == SE_CSGO
+bool SetWeaponPrice(int weaponID, int price)
+{
+	void *info = GetWeaponInfo(weaponID);
+	if (!info)
+	{
+		return false;
+	}
+	*(int *)((intptr_t)info+g_iPriceOffset) = price;
+	return true;
+}
+
+bool SetWeaponPrice(const char *weapon, int price)
+{
+	const char *weaponalias = GetTranslatedWeaponAlias(weapon);
+	int weaponID = AliasToWeaponID(weaponalias);
+	if (weaponID <= 0)
+	{
+		return false;
+	}
+	void *info = GetWeaponInfo(weaponID);
+	if (!info)
+	{
+		return false;
+	}
+	*(int *)((intptr_t)info+g_iPriceOffset) = price;
+	return true;
+
+}
+
+int CallPriceForwardCSGO(int client, const char *weapon, int price)
+{
+	int changedprice = price;
+	cell_t result = Pl_Continue;
+
+	g_pPriceForward->PushCell(client);
+	g_pPriceForward->PushString(weapon);
+	g_pPriceForward->PushCellByRef(&changedprice);
+	g_pPriceForward->Execute(&result);
+	
+	if (result == Pl_Continue)
+		return price;
+
+	return changedprice;
+}
+
+int CallPriceForwardCSGO(int client, const char *weapon)
+{
+	const char *weaponalias = GetTranslatedWeaponAlias(weapon);
+	int weaponID = AliasToWeaponID(weaponalias);
+	if (weaponID <= 0)
+	{
+		return -1;
+	}
+	void *info = GetWeaponInfo(weaponID);
+	if (!info)
+	{
+		return -1;
+	}
+	const char *weapon_name = (const char *)((intptr_t)info + weaponNameOffset);
+	int price = *(int *)((intptr_t)info + g_iPriceOffset);
+	int changedprice = price;
+	cell_t result = Pl_Continue;
+
+	g_pPriceForward->PushCell(client);
+	g_pPriceForward->PushString(weapon_name);
+	g_pPriceForward->PushCellByRef(&changedprice);
+	g_pPriceForward->Execute(&result);
+		
+	if (result == Pl_Continue)
+		return -1;
+	if (SetWeaponPrice(weaponID, changedprice))
+		return price;
+	else
+		return -1;
+}
+#else
+
 int CallPriceForward(int client, const char *weapon_name, int price)
 {
 	int changedprice = price;
@@ -236,3 +360,4 @@
 
 	return changedprice;
 }
+#endif