Re3/src/Text.cpp

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3.9 KiB
C++
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2019-05-30 17:00:00 -04:00
#include "common.h"
#include "patcher.h"
#include "FileMgr.h"
#include "Frontend.h"
#include "Messages.h"
#include "Text.h"
static wchar_t WideErrorString[25];
CText &TheText = *(CText*)0x941520;
CText::CText(void)
{
keyArray.entries = nil;
keyArray.numEntries = 0;
data.chars = nil;
data.numChars = 0;
unknown = 101; // What's this? version number?
memset(WideErrorString, 0, sizeof(WideErrorString));
}
CText::~CText(void)
{
data.Unload();
keyArray.Unload();
}
void
CText::Load(void)
{
uint8 *filedata;
char filename[32], type[4];
int length;
int offset, sectlen;
Unload();
filedata = new uint8[0x40000];
CFileMgr::SetDir("TEXT");
switch(CMenuManager::m_PrefsLanguage){
case LANGUAGE_AMERICAN:
sprintf(filename, "AMERICAN.GXT");
break;
case LANGUAGE_FRENCH:
sprintf(filename, "FRENCH.GXT");
break;
case LANGUAGE_GERMAN:
sprintf(filename, "GERMAN.GXT");
break;
case LANGUAGE_ITALIAN:
sprintf(filename, "ITALIAN.GXT");
break;
case LANGUAGE_SPANISH:
sprintf(filename, "SPANISH.GXT");
break;
}
length = CFileMgr::LoadFile(filename, filedata, 0x40000, "rb");
CFileMgr::SetDir("");
offset = 0;
while(offset < length){
type[0] = filedata[offset++];
type[1] = filedata[offset++];
type[2] = filedata[offset++];
type[3] = filedata[offset++];
sectlen = (int)filedata[offset+3]<<24 | (int)filedata[offset+2]<<16 |
(int)filedata[offset+1]<<8 | (int)filedata[offset+0];
offset += 4;
if(sectlen != 0){
if(strncmp(type, "TKEY", 4) == 0)
keyArray.Load(sectlen, filedata, &offset);
else if(strncmp(type, "TDAT", 4) == 0)
data.Load(sectlen, filedata, &offset);
else
offset += sectlen;
}
}
keyArray.Update(data.chars);
delete[] filedata;
}
void
CText::Unload(void)
{
CMessages::ClearAllMessagesDisplayedByGame();
data.Unload();
keyArray.Unload();
}
wchar_t*
CText::Get(const char *key)
{
return keyArray.Search(key);
}
void
CKeyArray::Load(uint32 length, uint8 *data, int *offset)
{
uint32 i;
uint8 *rawbytes;
numEntries = length / sizeof(CKeyEntry);
entries = new CKeyEntry[numEntries];
rawbytes = (uint8*)entries;
for(i = 0; i < length; i++)
rawbytes[i] = data[(*offset)++];
}
void
CKeyArray::Unload(void)
{
delete[] entries;
entries = nil;
numEntries = 0;
}
void
CKeyArray::Update(wchar_t *chars)
{
int i;
for(i = 0; i < numEntries; i++)
entries[i].value = (wchar_t*)((uint8*)chars + (uintptr)entries[i].value);
}
CKeyEntry*
CKeyArray::BinarySearch(const char *key, CKeyEntry *entries, int16 low, int16 high)
{
int mid;
int diff;
if(low > high)
return nil;
mid = (low + high)/2;
diff = strcmp(key, entries[mid].key);
if(diff == 0)
return &entries[mid];
if(diff < 0)
return BinarySearch(key, entries, low, mid-1);
if(diff > 0)
return BinarySearch(key, entries, mid+1, high);
return nil;
}
wchar_t*
CKeyArray::Search(const char *key)
{
CKeyEntry *found;
char errstr[25];
int i;
found = BinarySearch(key, entries, 0, numEntries-1);
if(found)
return found->value;
sprintf(errstr, "%s missing", key);
for(i = 0; i < 25; i++)
WideErrorString[i] = errstr[i];
return WideErrorString;
}
void
CData::Load(uint32 length, uint8 *data, int *offset)
{
uint32 i;
uint8 *rawbytes;
numChars = length / sizeof(wchar_t);
chars = new wchar_t[numChars];
rawbytes = (uint8*)chars;
for(i = 0; i < length; i++)
rawbytes[i] = data[(*offset)++];
}
void
CData::Unload(void)
{
delete[] chars;
chars = nil;
numChars = 0;
}
STARTPATCHES
InjectHook(0x52C3C0, &CText::Load, PATCH_JUMP);
InjectHook(0x52C580, &CText::Unload, PATCH_JUMP);
InjectHook(0x52C5A0, &CText::Get, PATCH_JUMP);
InjectHook(0x52BE70, &CKeyArray::Load, PATCH_JUMP);
InjectHook(0x52BF60, &CKeyArray::Unload, PATCH_JUMP);
InjectHook(0x52BF80, &CKeyArray::Update, PATCH_JUMP);
InjectHook(0x52C060, &CKeyArray::BinarySearch, PATCH_JUMP);
InjectHook(0x52BFB0, &CKeyArray::Search, PATCH_JUMP);
InjectHook(0x52C120, &CData::Load, PATCH_JUMP);
InjectHook(0x52C200, &CData::Unload, PATCH_JUMP);
ENDPATCHES