diff options
Diffstat (limited to 'src/Text.cpp')
| -rw-r--r-- | src/Text.cpp | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/src/Text.cpp b/src/Text.cpp new file mode 100644 index 00000000..0281043d --- /dev/null +++ b/src/Text.cpp @@ -0,0 +1,201 @@ +#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 |