219 lines
6.5 KiB
C++
219 lines
6.5 KiB
C++
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#include "vhook.h"
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#include "vhook_macros.h"
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SourceHook::IHookManagerAutoGen *g_pHookManager = NULL;
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bool SetupHookManager(ISmmAPI *ismm)
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{
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g_pHookManager = static_cast<SourceHook::IHookManagerAutoGen *>(ismm->MetaFactory(MMIFACE_SH_HOOKMANAUTOGEN, NULL, NULL));
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return g_pHookManager != NULL;
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}
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void CallFunction_Void(DHooksCallback<void> *info, unsigned long stack, void *iface)
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{
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PassInfo *paramInfo = NULL;
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ICallWrapper *call;
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size_t size = 0;
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if(info->paramcount > 0)
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{
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paramInfo = (PassInfo *)malloc(sizeof(PassInfo) * info->paramcount);
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for(int i = 0; i < info->paramcount; i++)
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{
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switch(info->params[i].type)
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{
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PARAMINFO_SWITCH_CASE(int, HookParamType_Int ,PassType_Basic);
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PARAMINFO_SWITCH_CASE(bool, HookParamType_Bool ,PassType_Basic);
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PARAMINFO_SWITCH_CASE(float, HookParamType_Float ,PassType_Float);
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PARAMINFO_SWITCH_CASE(string_t, HookParamType_String ,PassType_Object);
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PARAMINFO_SWITCH_CASE(string_t *, HookParamType_StringPtr ,PassType_Basic);
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PARAMINFO_SWITCH_CASE(char *, HookParamType_CharPtr ,PassType_Basic);
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PARAMINFO_SWITCH_CASE(Vector *, HookParamType_VectorPtr ,PassType_Basic);
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PARAMINFO_SWITCH_CASE(CBaseEntity *, HookParamType_CBaseEntity ,PassType_Basic);
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PARAMINFO_SWITCH_CASE(edict_t *, HookParamType_Edict ,PassType_Basic);
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default:
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paramInfo[i].flags = info->params[i].flag;
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paramInfo[i].size = sizeof(void *);
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paramInfo[i].type = PassType_Basic;
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size += sizeof(void *);
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break;
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}
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}
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call = g_pBinTools->CreateVCall(info->offset, 0, 0, NULL, paramInfo, info->paramcount);
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}
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else
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{
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call = g_pBinTools->CreateVCall(info->offset, 0, 0, NULL, NULL, 0);
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}
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unsigned char *vstk = (unsigned char *)malloc(sizeof(void *) + size);
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unsigned char *vptr = vstk;
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*(void **)vptr = iface;
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vptr += sizeof(void *);
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size_t offset = STACK_OFFSET;
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if(info->paramcount > 0)
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{
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for(int i = 0; i < info->paramcount; i++)
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{
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switch(info->params[i].type)
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{
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VSTK_PARAM_SWITCH(int, HookParamType_Int);
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VSTK_PARAM_SWITCH(bool, HookParamType_Bool);
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VSTK_PARAM_SWITCH(float, HookParamType_Float);
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VSTK_PARAM_SWITCH(string_t, HookParamType_String);
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VSTK_PARAM_SWITCH(string_t *, HookParamType_StringPtr);
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VSTK_PARAM_SWITCH(char *, HookParamType_CharPtr);
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VSTK_PARAM_SWITCH(Vector *, HookParamType_VectorPtr);
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VSTK_PARAM_SWITCH(CBaseEntity *, HookParamType_CBaseEntity);
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VSTK_PARAM_SWITCH(edict_t *, HookParamType_Edict);
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default:
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*(void **)vptr = *(void **)(stack+offset);
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if(i + 1 != info->paramcount)
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{
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vptr += sizeof(void *);
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}
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offset += sizeof(void *);
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break;
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}
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}
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}
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call->Execute(vstk, NULL);
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call->Destroy();
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free(vstk);
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if(paramInfo)
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free(paramInfo);
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}
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template<class T>
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T CallFunction(DHooksCallback<T> *info, unsigned long stack, void *iface)
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{
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PassInfo *paramInfo = NULL;
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ICallWrapper *call;
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size_t size = 0;
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PassInfo returnInfo;
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returnInfo.flags = PASSFLAG_BYVAL;
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returnInfo.size = sizeof(T);
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returnInfo.type = PassType_Basic;
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if(info->paramcount > 0)
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{
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paramInfo = (PassInfo *)malloc(sizeof(PassInfo) * info->paramcount);
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for(int i = 0; i < info->paramcount; i++)
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{
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switch(info->params[i].type)
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{
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PARAMINFO_SWITCH_CASE(int, HookParamType_Int ,PassType_Basic);
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PARAMINFO_SWITCH_CASE(bool, HookParamType_Bool ,PassType_Basic);
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PARAMINFO_SWITCH_CASE(float, HookParamType_Float ,PassType_Float);
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PARAMINFO_SWITCH_CASE(string_t, HookParamType_String ,PassType_Object);
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PARAMINFO_SWITCH_CASE(string_t *, HookParamType_StringPtr ,PassType_Basic);
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PARAMINFO_SWITCH_CASE(char *, HookParamType_CharPtr ,PassType_Basic);
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PARAMINFO_SWITCH_CASE(Vector *, HookParamType_VectorPtr ,PassType_Basic);
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PARAMINFO_SWITCH_CASE(CBaseEntity *, HookParamType_CBaseEntity ,PassType_Basic);
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PARAMINFO_SWITCH_CASE(edict_t *, HookParamType_Edict ,PassType_Basic);
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default:
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paramInfo[i].flags = info->params[i].flag;
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paramInfo[i].size = sizeof(void *);
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paramInfo[i].type = PassType_Basic;
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size += sizeof(void *);
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break;
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}
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}
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call = g_pBinTools->CreateVCall(info->offset, 0, 0, &returnInfo, paramInfo, info->paramcount);
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}
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else
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{
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call = g_pBinTools->CreateVCall(info->offset, 0, 0, &returnInfo, NULL, 0);
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}
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unsigned char *vstk = (unsigned char *)malloc(sizeof(void *) + size);
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unsigned char *vptr = vstk;
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*(void **)vptr = iface;
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vptr += sizeof(void *);
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size_t offset = STACK_OFFSET;
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if(info->paramcount > 0)
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{
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for(int i = 0; i < info->paramcount; i++)
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{
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switch(info->params[i].type)
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{
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VSTK_PARAM_SWITCH(int, HookParamType_Int);
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VSTK_PARAM_SWITCH(bool, HookParamType_Bool);
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VSTK_PARAM_SWITCH(float, HookParamType_Float);
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VSTK_PARAM_SWITCH(string_t, HookParamType_String);
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VSTK_PARAM_SWITCH(string_t *, HookParamType_StringPtr);
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VSTK_PARAM_SWITCH(char *, HookParamType_CharPtr);
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VSTK_PARAM_SWITCH(Vector *, HookParamType_VectorPtr);
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VSTK_PARAM_SWITCH(CBaseEntity *, HookParamType_CBaseEntity);
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VSTK_PARAM_SWITCH(edict_t *, HookParamType_Edict);
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default:
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*(void **)vptr = *(void **)(stack+offset);
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if(i + 1 != info->paramcount)
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{
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vptr += sizeof(void *);
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}
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offset += sizeof(void *);
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break;
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}
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}
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}
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T ret;
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call->Execute(vstk, &ret);
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call->Destroy();
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free(vstk);
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if(paramInfo)
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free(paramInfo);
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return ret;
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}
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template <>
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void DHooksCallback<void>::Call()
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{
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GET_STACK;
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META_CONPRINTF("String %s\n", *(char **)(stack+STACK_OFFSET));
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strcpy(*(char **)(stack+STACK_OFFSET), "models/player/t_phoenix.mdl");
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SH_GLOB_SHPTR->DoRecall();
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CallFunction_Void(this, stack, g_SHPtr->GetIfacePtr());
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RETURN_META(MRES_IGNORED);
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}
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template <>
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bool DHooksCallback<bool>::Call()
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{
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GET_STACK;
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META_CONPRINTF("Entity %i\n", gamehelpers->ReferenceToIndex(gamehelpers->EntityToBCompatRef(*(CBaseEntity **)(stack+STACK_OFFSET))));
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/*__asm
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{
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mov ebp, stack
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};*/
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META_RES result = MRES_IGNORED;
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RETURN_META_VALUE(MRES_IGNORED, true);
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/*do
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{
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SH_GLOB_SHPTR->DoRecall();
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if ((result) >= MRES_OVERRIDE)
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{
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void *pOverride = g_SHPtr->GetOverrideRetPtr();
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pOverride = (void *)false;
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}
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if(result != MRES_SUPERCEDE)
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{
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RETURN_META_VALUE(MRES_SUPERCEDE, CallFunction<bool>(this, stack, g_SHPtr->GetIfacePtr()));
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}
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else
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{
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RETURN_META_VALUE(MRES_SUPERCEDE, true);
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}
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} while (0);*/
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}
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