static cell AMX_NATIVE_CALL RegisterHam(AMX *amx, cell *params)
{
// Make sure the function we're requesting is within bounds
int func=params[1];
int post=params[4];
CHECK_FUNCTION(func);
char *function=MF_GetAmxString(amx, params[3], 0, NULL);
char *classname=MF_GetAmxString(amx, params[2], 1, NULL);
// Check the entity
// create an entity, assign it the gamedll's class, hook it and destroy it
edict_t *Entity=CREATE_ENTITY();
CALL_GAME_ENTITY(PLID,classname,&Entity->v);
if (Entity->pvPrivateData == NULL)
{
REMOVE_ENTITY(Entity);
MF_LogError(amx, AMX_ERR_NATIVE,"Failed to retrieve classtype for \"%s\", hook for \"%s\" not active.",classname,function);
return 0;
}
void **vtable=GetVTable(Entity->pvPrivateData, Offsets.GetBase());
REMOVE_ENTITY(Entity);
if (vtable == NULL)
{
MF_LogError(amx, AMX_ERR_NATIVE,"Failed to retrieve vtable for \"%s\", hook for \"%s\" not active.",classname,function);
return 0;
}
// Verify that the function is valid
// Don't fail the plugin if this fails, just emit a normal error
int fwd=hooklist[func].makefunc(amx, function);
if (fwd == -1)
{
MF_LogError(amx, AMX_ERR_NATIVE, "Function %s not found.", function);
return 0;
}
// We've passed all tests...
int **ivtable=(int **)vtable;
void *vfunction=(void *)ivtable[hooklist[func].vtid];
// Check the list of this function's hooks, see if the function we have is a hook
CVector<Hook *>::iterator end=hooks[func].end();
for (CVector<Hook *>::iterator i=hooks[func].begin();
i!=end;
++i)
{
if ((*i)->tramp == vfunction)
{
// Yes, this function is hooked
Forward *pfwd=new Forward(fwd);
if (post)
{
(*i)->post.push_back(pfwd);
}
else
{
(*i)->pre.push_back(pfwd);
}
return reinterpret_cast<cell>(pfwd);
}
}
// If we got here, the function is not hooked
Hook *hook=new Hook(vtable, hooklist[func].vtid, hooklist[func].targetfunc, hooklist[func].isvoid, hooklist[func].paramcount, classname);
hooks[func].push_back(hook);
Forward *pfwd=new Forward(fwd);
if (post)
{
hook->post.push_back(pfwd);
}
else
{
hook->pre.push_back(pfwd);
}
return reinterpret_cast<cell>(pfwd);
}
// RegisterHamFromEntity(Ham:function, EntityId, const Callback[], Post=0);
static cell AMX_NATIVE_CALL RegisterHamFromEntity(AMX *amx, cell *params)
{
// Make sure the function we're requesting is within bounds
int func=params[1];
int post=params[4];
CHECK_FUNCTION(func);
char *function=MF_GetAmxString(amx, params[3], 0, NULL);
int entid=params[2];
char classname[64];
// Check the entity
edict_t *Entity=INDEXENT_NEW(entid);
if (Entity->pvPrivateData == NULL)
{
MF_LogError(amx, AMX_ERR_NATIVE,"Failed to retrieve classtype for entity id \"%d\", hook for \"%s\" not active.",entid,function);
return 0;
}
void **vtable=GetVTable(Entity->pvPrivateData, Offsets.GetBase());
if (vtable == NULL)
{
MF_LogError(amx, AMX_ERR_NATIVE,"Failed to retrieve vtable for entity id \"%d\", hook for \"%s\" not active.",entid,function);
return 0;
}
// Verify that the function is valid
// Don't fail the plugin if this fails, just emit a normal error
int fwd=hooklist[func].makefunc(amx, function);
if (fwd == -1)
{
MF_LogError(amx, AMX_ERR_NATIVE, "Function %s not found.", function);
return 0;
}
// We've passed all tests...
int **ivtable=(int **)vtable;
void *vfunction=(void *)ivtable[hooklist[func].vtid];
// Check the list of this function's hooks, see if the function we have is a hook
CVector<Hook *>::iterator end=hooks[func].end();
for (CVector<Hook *>::iterator i=hooks[func].begin();
i!=end;
++i)
{
if ((*i)->tramp == vfunction)
{
// Yes, this function is hooked
Forward *pfwd=new Forward(fwd);
if (post)
{
(*i)->post.push_back(pfwd);
}
else
{
(*i)->pre.push_back(pfwd);
}
return reinterpret_cast<cell>(pfwd);
}
}
// Note down the classname for the given class
// It may very well be wrong (such as lots of TS weapons have the same classname)
// but it's the best we can do, and better than nothing.
// (only used for display)
snprintf(classname, sizeof(classname) - 1, "%s", STRING(Entity->v.classname));
// If we got here, the function is not hooked
Hook *hook=new Hook(vtable, hooklist[func].vtid, hooklist[func].targetfunc, hooklist[func].isvoid, hooklist[func].paramcount, classname);
hooks[func].push_back(hook);
Forward *pfwd=new Forward(fwd);
if (post)
{
hook->post.push_back(pfwd);
}
else
{
hook->pre.push_back(pfwd);
}
return reinterpret_cast<cell>(pfwd);
}
static cell AMX_NATIVE_CALL RegisterHam(AMX *amx, cell *params)
{
// Make sure the function we're requesting is within bounds
int func=params[1];
int post=params[4];
CHECK_FUNCTION(func);
char *function=MF_GetAmxString(amx, params[3], 0, NULL);
char *classname=MF_GetAmxString(amx, params[2], 1, NULL);
// Check the entity
// create an entity, assign it the gamedll's class, hook it and destroy it
edict_t *Entity=CREATE_ENTITY();
CALL_GAME_ENTITY(PLID,classname,&Entity->v);
if (Entity->pvPrivateData == NULL)
{
REMOVE_ENTITY(Entity);
MF_LogError(amx, AMX_ERR_NATIVE,"Failed to retrieve classtype for \"%s\", hook for \"%s\" not active.",classname,function);
return 0;
}
void **vtable=GetVTable(Entity->pvPrivateData, Offsets.GetBase());
REMOVE_ENTITY(Entity);
if (vtable == NULL)
{
MF_LogError(amx, AMX_ERR_NATIVE,"Failed to retrieve vtable for \"%s\", hook for \"%s\" not active.",classname,function);
return 0;
}
// Verify that the function is valid
// Don't fail the plugin if this fails, just emit a normal error
int fwd=hooklist[func].makefunc(amx, function);
if (fwd == -1)
{
MF_LogError(amx, AMX_ERR_NATIVE, "Function %s not found.", function);
return 0;
}
bool enableSpecialBot = false;
// Old plugin doesn't have this param.
if (*params / sizeof(cell) == 5)
{
enableSpecialBot = params[5] > 0;
}
Forward *pfwd = new Forward(fwd);
// We've passed all tests...
if (strcmp(classname, "player") == 0 && enableSpecialBot)
{
SpecialbotHandler.RegisterHamSpecialBot(amx, func, function, post, pfwd);
}
int **ivtable=(int **)vtable;
void *vfunction=(void *)ivtable[hooklist[func].vtid];
// Check the list of this function's hooks, see if the function we have is a hook
for (size_t i = 0; i < hooks[func].length(); ++i)
{
if (hooks[func].at(i)->tramp == vfunction)
{
// Yes, this function is hooked
if (post)
{
hooks[func].at(i)->post.append(pfwd);
}
else
{
hooks[func].at(i)->pre.append(pfwd);
}
return reinterpret_cast<cell>(pfwd);
}
}
// If we got here, the function is not hooked
Hook *hook = new Hook(vtable, hooklist[func].vtid, hooklist[func].targetfunc, hooklist[func].isvoid, hooklist[func].needsretbuf, hooklist[func].paramcount, classname);
hooks[func].append(hook);
if (post)
{
hook->post.append(pfwd);
}
else
{
hook->pre.append(pfwd);
}
return reinterpret_cast<cell>(pfwd);
}