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Add SDKCall_VirtualAddress

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Kenzzer 2025-10-30 22:03:58 +00:00
parent 7b89db285b
commit 29aa1ff3ca
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GPG Key ID: 64C3FD4332686DC1
3 changed files with 41 additions and 2 deletions
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37
extensions/sdktools/vcaller.cpp
View File

@ -86,6 +86,13 @@ inline void DecodePassMethod(ValveType vtype, SDKPassMethod method, PassType &ty
static cell_t StartPrepSDKCall(IPluginContext *pContext, const cell_t *params) static cell_t StartPrepSDKCall(IPluginContext *pContext, const cell_t *params)
{ {
auto call_type = (ValveCallType)params[1];
if (call_type == ValveCall_Raw && pContext->GetRuntime()->FindPubvarByName("__Virtual_Address__", nullptr) == SP_ERROR_NONE) {
return pContext->ThrowNativeError("SDKCall_Raw is unavailable for plugins that have enabled virtual address.");
}
if (call_type == ValveCall_VirtualAddress && pContext->GetRuntime()->FindPubvarByName("__Virtual_Address__", nullptr) != SP_ERROR_NONE) {
return pContext->ThrowNativeError("SDKCall_VirtualAddress is unavailable for plugins that haven't enabled virtual address.");
}
s_numparams = 0; s_numparams = 0;
s_vtbl_index = -1; s_vtbl_index = -1;
s_call_addr = NULL; s_call_addr = NULL;
@ -412,6 +419,36 @@ static cell_t SDKCall(IPluginContext *pContext, const cell_t *params)
startparam++; startparam++;
} }
break; break;
case ValveCall_VirtualAddress:
{
//params[startparam] is an address to a pointer to THIS
//params following this are params to the method we will invoke later
if (startparam > numparams)
{
vc->stk_put(ptr);
return pContext->ThrowNativeError("Expected a ThisPtr address, it wasn't found");
}
//note: varargs pawn args are passed by-ref
cell_t *cell;
pContext->LocalToPhysAddr(params[startparam], &cell);
void* thisptr = reinterpret_cast<void*>(g_pSM->FromPseudoAddress(*cell));
if (thisptr == nullptr)
{
vc->stk_put(ptr);
return pContext->ThrowNativeError("ThisPtr address cannot be null");
}
else if (reinterpret_cast<uintptr_t>(thisptr) < VALID_MINIMUM_MEMORY_ADDRESS)
{
vc->stk_put(ptr);
return pContext->ThrowNativeError("Invalid ThisPtr address %p is pointing to reserved memory.", thisptr);
}
*(void **)ptr = thisptr;
startparam++;
}
break;
default: default:
{ {
vc->stk_put(ptr); vc->stk_put(ptr);

1
extensions/sdktools/vdecoder.h
View File

@ -85,6 +85,7 @@ enum ValveCallType
ValveCall_Raw, /**< Thiscall (address explicit first parameter) */ ValveCall_Raw, /**< Thiscall (address explicit first parameter) */
ValveCall_Server, /**< Thiscall (CBaseServer implicit first parameter) */ ValveCall_Server, /**< Thiscall (CBaseServer implicit first parameter) */
ValveCall_Engine, /**< Thiscall (CVEngineServer implicit first parameter) */ ValveCall_Engine, /**< Thiscall (CVEngineServer implicit first parameter) */
ValveCall_VirtualAddress /**< Thiscall (address explicit first parameter) */
}; };
/** /**

5
plugins/include/sdktools.inc
View File

@ -60,9 +60,10 @@ enum SDKCallType
SDKCall_Player, /**< CBasePlayer call */ SDKCall_Player, /**< CBasePlayer call */
SDKCall_GameRules, /**< CGameRules call */ SDKCall_GameRules, /**< CGameRules call */
SDKCall_EntityList, /**< CGlobalEntityList call */ SDKCall_EntityList, /**< CGlobalEntityList call */
SDKCall_Raw, /**< |this| pointer with an arbitrary address */ SDKCall_Raw, /**< |this| pointer with an arbitrary address. This is not available if SM's virtual addresses are enabled */
SDKCall_Server, /**< CBaseServer call */ SDKCall_Server, /**< CBaseServer call */
SDKCall_Engine /**< CVEngineServer call */ SDKCall_Engine, /**< CVEngineServer call */
SDKCall_VirtualAddress /**< |this| pointer with an arbitrary SM virtual address */
}; };
enum SDKLibrary enum SDKLibrary