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#if defined _memutils_included
#endinput
#endif
#define _memutils_included
#include "glib/assertutils"
#include "glib/addressutils"
/* Compile time settings for this include. Should be defined before including this file.
* #define MEMUTILS_PLUGINENDCALL //This should be defined if main plugin has OnPluginEnd() forward used.
*/
#define MEM_LEN_SAFE_THRESHOLD 2000
//-==PatchHandling methodmap
static StringMap gPatchStack;
methodmap PatchHandler < AddressBase
{
public PatchHandler(Address addr)
{
ASSERT(addr != Address_Null);
if(!gPatchStack)
gPatchStack = new StringMap();
return view_as<PatchHandler>(addr);
}
property any Any
{
public get() { return view_as<any>(this); }
}
public void Save(int len)
{
ASSERT(gPatchStack);
ASSERT(len > 0 && len < MEM_LEN_SAFE_THRESHOLD);
len++;
int[] arr = new int[len];
arr[0] = len;
for(int i = 0; i < len - 1; i++)
arr[i + 1] = LoadFromAddress(this.Address + i, NumberType_Int8);
char buff[32];
IntToString(this.Any, buff, sizeof(buff));
gPatchStack.SetArray(buff, arr, len);
}
public void PatchNSave(int len, char byte = 0x90)
{
ASSERT(gPatchStack);
ASSERT(len > 0 && len < MEM_LEN_SAFE_THRESHOLD);
len++;
int[] arr = new int[len];
arr[0] = len;
for(int i = 0; i < len - 1; i++)
{
arr[i + 1] = LoadFromAddress(this.Address + i, NumberType_Int8);
StoreToAddress(this.Address + i, byte, NumberType_Int8);
}
char buff[32];
IntToString(this.Any, buff, sizeof(buff));
gPatchStack.SetArray(buff, arr, len);
}
public void PatchNSaveSeq(const char[] data, int len)
{
ASSERT(gPatchStack);
ASSERT(len > 0 && len < MEM_LEN_SAFE_THRESHOLD);
len++;
int[] arr = new int[len];
arr[0] = len;
for(int i = 0; i < len - 1; i++)
{
arr[i + 1] = LoadFromAddress(this.Address + i, NumberType_Int8);
StoreToAddress(this.Address + i, data[i], NumberType_Int8);
}
char buff[32];
IntToString(this.Any, buff, sizeof(buff));
gPatchStack.SetArray(buff, arr, len);
}
public void Restore()
{
if(!gPatchStack)
return;
char buff[32];
IntToString(this.Any, buff, sizeof(buff));
int arrSize[1];
if(!gPatchStack.GetArray(buff, arrSize, sizeof(arrSize)))
return;
int[] arr = new int[arrSize[0]];
gPatchStack.GetArray(buff, arr, arrSize[0]);
gPatchStack.Remove(buff);
for(int i = 0; i < arrSize[0] - 1; i++)
StoreToAddress(this.Address + i, arr[i + 1], NumberType_Int8);
if(gPatchStack.Size == 0)
delete gPatchStack;
}
}
public void OnPluginEnd()
{
if(gPatchStack)
{
StringMapSnapshot sms = gPatchStack.Snapshot();
char buff[32];
Address addr;
for(int i = 0; i < sms.Length; i++)
{
sms.GetKey(i, buff, sizeof(buff));
addr = view_as<Address>(StringToInt(buff));
view_as<PatchHandler>(addr).Restore();
}
}
#if defined MEMUTILS_PLUGINENDCALL
OnPluginEnd_MemUtilsRedefined();
#endif
}
#undef OnPluginEnd
#if defined MEMUTILS_PLUGINENDCALL
#define OnPluginEnd OnPluginEnd_MemUtilsRedefined
#else
#define OnPluginEnd OnPluginEnd_Redifined(){}\
void MEMUTILS_INCLUDE_WARNING_OnPluginEnd_REDIFINITION
#endif
//PatchHandling methodmap==-
//-==Other util functions
stock int LoadStringFromAddress(Address addr, char[] buff, int length)
{
int i;
for(i = 0; i < length && (buff[i] = LoadFromAddress(addr + i, NumberType_Int8)) != '\0'; i++) { }
buff[i == length ? i - 1 : i] = '\0';
return i;
}
stock void DumpOnAddress(Address addr, int len, int columns = 10)
{
char buff[128], buff2[128];
ASSERT(addr != Address_Null);
ASSERT(len > 0 && len < MEM_LEN_SAFE_THRESHOLD);
Format(buff, sizeof(buff), "[0x%08X]", addr);
char chr;
for(int i = 0; i < len; i++)
{
chr = LoadFromAddress(addr + i, NumberType_Int8);
Format(buff, sizeof(buff), "%s %02X", buff, chr);
Format(buff2, sizeof(buff2), "%s%c", buff2, (chr > ' ' && chr != 0x7F && chr != 0xFF ? chr : '.'));
if(i % columns == columns - 1)
{
PrintToServer(__SNAME..."%s %s", buff, buff2);
Format(buff, sizeof(buff), "[0x%08X]", addr + i);
buff2[0] = '\0';
}
}
if((len - 1) % columns != columns - 1)
PrintToServer(__SNAME..."%s %s", buff, buff2);
}
//NO OVERLAPPING!!
stock void MoveBytes(Address from, Address to, int len, char replace_with = 0x90)
{
ASSERT(from != Address_Null);
ASSERT(to != Address_Null);
ASSERT(len > 0 && len < MEM_LEN_SAFE_THRESHOLD);
ASSERT(to < from || to > from + len);
if(from == to)
return;
for(int i = 0; i < len; i++)
{
StoreToAddress(to + i, LoadFromAddress(from + i, NumberType_Int8), NumberType_Int8);
StoreToAddress(from + i, replace_with, NumberType_Int8);
}
}
stock void CutNCopyBytes(Address from, Address to, int len, char replace_with = 0x90)
{
ASSERT(from != Address_Null);
ASSERT(to != Address_Null);
ASSERT(len > 0 && len < MEM_LEN_SAFE_THRESHOLD);
if(from == to)
return;
int[] arr = new int[len];
for(int i = 0; i < len; i++)
{
arr[i] = LoadFromAddress(from + i, NumberType_Int8);
StoreToAddress(from + i, replace_with, NumberType_Int8);
}
for(int i = 0; i < len; i++)
StoreToAddress(to + i, arr[i], NumberType_Int8);
}
stock void PatchArea(Address addr, int len, char byte = 0x90)
{
ASSERT(addr != Address_Null);
ASSERT(len > 0 && len < MEM_LEN_SAFE_THRESHOLD);
for(int i = 0; i < len; i++)
StoreToAddress(addr + i, byte, NumberType_Int8);
}
//Other util functions==-
#undef MEM_LEN_SAFE_THRESHOLD
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