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CScriptEngine.cpp
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#include "stdafx.h"
#include "cleo.h"
namespace CLEO
{
DWORD FUNC_AddScriptToQueue;
DWORD FUNC_RemoveScriptFromQueue;
DWORD FUNC_StopScript;
DWORD FUNC_ScriptOpcodeHandler00;
DWORD FUNC_GetScriptParams;
DWORD FUNC_TransmitScriptParams;
DWORD FUNC_SetScriptParams;
DWORD FUNC_SetScriptCondResult;
DWORD FUNC_GetScriptParamPointer1;
DWORD FUNC_GetScriptStringParam;
DWORD FUNC_GetScriptParamPointer2;
void(__thiscall * AddScriptToQueue)(CRunningScript *, CRunningScript **queue);
void(__thiscall * RemoveScriptFromQueue)(CRunningScript *, CRunningScript **queue);
void(__thiscall * StopScript)(CRunningScript *);
char(__thiscall * ScriptOpcodeHandler00)(CRunningScript *, WORD opcode);
void(__thiscall * GetScriptParams)(CRunningScript *, int count);
void(__thiscall * TransmitScriptParams)(CRunningScript *, CRunningScript *);
void(__thiscall * SetScriptParams)(CRunningScript *, int count);
void(__thiscall * SetScriptCondResult)(CRunningScript *, bool);
SCRIPT_VAR * (__thiscall * GetScriptParamPointer1)(CRunningScript *);
void(__thiscall * GetScriptStringParam)(CRunningScript *, char* buf, BYTE len);
SCRIPT_VAR * (__thiscall * GetScriptParamPointer2)(CRunningScript *, int __unused__);
void RunScriptDeleteDelegate(CRunningScript *script);
void __fastcall _AddScriptToQueue(CRunningScript *pScript, int dummy, CRunningScript **queue)
{
_asm
{
push queue
mov ecx, pScript
call FUNC_AddScriptToQueue
}
}
void __fastcall _RemoveScriptFromQueue(CRunningScript *pScript, int dummy, CRunningScript **queue)
{
_asm
{
push queue
mov ecx, pScript
call FUNC_RemoveScriptFromQueue
}
}
void __fastcall _StopScript(CRunningScript *pScript)
{
_asm
{
mov ecx, pScript
call FUNC_StopScript
}
}
char __fastcall _ScriptOpcodeHandler00(CRunningScript *pScript, int dummy, WORD opcode)
{
int result;
_asm
{
push opcode
mov ecx, pScript
call FUNC_ScriptOpcodeHandler00
mov result, eax
}
return result;
}
void __fastcall _GetScriptParams(CRunningScript *pScript, int dummy, int count)
{
_asm
{
mov ecx, pScript
push count
call FUNC_GetScriptParams
}
}
void __fastcall _TransmitScriptParams(CRunningScript *pScript, int dummy, CRunningScript *pScriptB)
{
_asm
{
mov ecx, pScript
push pScriptB
call FUNC_TransmitScriptParams
}
}
void __fastcall _SetScriptParams(CRunningScript *pScript, int dummy, int count)
{
_asm
{
mov ecx, pScript
push count
call FUNC_SetScriptParams
}
}
void __fastcall _SetScriptCondResult(CRunningScript *pScript, int dummy, int val)
{
_asm
{
mov ecx, pScript
push val
call FUNC_SetScriptCondResult
}
}
SCRIPT_VAR * __fastcall _GetScriptParamPointer1(CRunningScript *pScript)
{
SCRIPT_VAR *result;
_asm
{
mov ecx, pScript
call FUNC_GetScriptParamPointer1
mov result, eax
}
return (SCRIPT_VAR*)((size_t)result + pScript->GetBasePointer());
}
void __fastcall _GetScriptStringParam(CRunningScript *pScript, int dummy, char *buf, int len)
{
_asm
{
mov ecx, pScript
push len
push buf
call FUNC_GetScriptStringParam
}
}
SCRIPT_VAR * __fastcall _GetScriptParamPointer2(CRunningScript *pScript, int dummy, int unused)
{
_asm
{
mov ecx, pScript
push unused
call FUNC_GetScriptParamPointer2
}
}
void(__cdecl * InitScm)();
void(__cdecl * SaveScmData)();
void(__cdecl * LoadScmData)();
void(__cdecl * DrawScriptStuff)(char bBeforeFade);
void(__cdecl * DrawScriptStuff_H)(char bBeforeFade);
DWORD* GameTimer;
extern "C" {
SCRIPT_VAR *opcodeParams;
SCRIPT_VAR *missionLocals;
CRunningScript *staticThreads;
}
BYTE *scmBlock;
BYTE *MissionLoaded;
BYTE *missionBlock;
BOOL *onMissionFlag;
CTexture *scriptSprites;
BYTE *scriptDraws;
WORD *numScriptDraws;
WORD *numScriptTexts;
BYTE *useTextCommands;
BYTE *scriptTexts;
CRunningScript **inactiveThreadQueue, **activeThreadQueue;
CCustomScript *lastScriptCreated = nullptr;
// called to initialise the scripts (after the main.scm has actually had a chance to set up)
void OnInitScm1(void)
{
TRACE("Scripts initialized");
GetInstance().ScriptEngine.RemoveAllCustomScripts();
InitScm();
GetInstance().TextManager.ClearDynamicFxts();
GetInstance().OpcodeSystem.FinalizeScriptObjects();
GetInstance().SoundSystem.UnloadAllStreams();
GetInstance().ScriptEngine.LoadCustomScripts(false);
}
// called on first load before the others
void OnInitScm2(void)
{
TRACE("Scripts exclusively initialized");
GetInstance().ScriptEngine.RemoveAllCustomScripts();
InitScm();
GetInstance().TextManager.ClearDynamicFxts();
GetInstance().OpcodeSystem.FinalizeScriptObjects();
GetInstance().SoundSystem.UnloadAllStreams();
GetInstance().ScriptEngine.LoadCustomScripts();
}
// called to load the scripts
void OnInitScm3(void)
{
TRACE("Scripts loaded");
GetInstance().ScriptEngine.RemoveAllCustomScripts();
InitScm();
GetInstance().TextManager.ClearDynamicFxts();
GetInstance().OpcodeSystem.FinalizeScriptObjects();
GetInstance().SoundSystem.UnloadAllStreams();
GetInstance().ScriptEngine.LoadCustomScripts(true);
}
extern "C" void __stdcall opcode_004E(CCustomScript *pScript)
{
if (pScript->IsCustom())
{
if (!pScript->IsMission())
{
TRACE("[004E] Incorrect usage of opcode in script '%s'.", pScript->GetName());
}
else *MissionLoaded = false;
GetInstance().ScriptEngine.RemoveCustomScript(pScript);
}
else
{
if (!pScript->IsMission()) *MissionLoaded = false;
RemoveScriptFromQueue(pScript, activeThreadQueue);
AddScriptToQueue(pScript, inactiveThreadQueue);
StopScript(pScript);
}
}
extern "C" void __declspec(naked) opcode_004E_hook(void)
{
__asm
{
push esi
call opcode_004E
pop edi
mov al, 1
pop esi
mov ecx, [esp + 0x14]
mov fs : 0, ecx
add esp, 32
ret 0x4
}
}
void OnNewGame(void)
{
static struct CGangWeapons {
BYTE _f0;
BYTE _f1; // -
DWORD weapon1;
DWORD weapon2;
DWORD weapon3;
} *gangWeapons((CGangWeapons *)0xC0B870); // 1.01 eu specific
TRACE("New game started");
gangWeapons[0].weapon1 = 22;
gangWeapons[0].weapon2 = 28;
gangWeapons[0].weapon3 = 0;
gangWeapons[1].weapon1 = 22;
gangWeapons[1].weapon2 = 0;
gangWeapons[1].weapon3 = 0;
gangWeapons[2].weapon1 = 22;
gangWeapons[2].weapon2 = 0;
gangWeapons[2].weapon3 = 0;
gangWeapons[4].weapon1 = 24;
gangWeapons[4].weapon2 = 28;
gangWeapons[4].weapon3 = 0;
gangWeapons[5].weapon1 = 24;
gangWeapons[5].weapon2 = 0;
gangWeapons[5].weapon3 = 0;
gangWeapons[6].weapon1 = 22;
gangWeapons[6].weapon2 = 30;
gangWeapons[6].weapon3 = 0;
gangWeapons[7].weapon1 = 22;
gangWeapons[7].weapon2 = 28;
gangWeapons[7].weapon3 = 0;
GetInstance().TextManager.ClearDynamicFxts();
GetInstance().OpcodeSystem.FinalizeScriptObjects();
GetInstance().ScriptEngine.RemoveAllCustomScripts();
GetInstance().SoundSystem.UnloadAllStreams();
GetInstance().ScriptEngine.LoadCustomScripts();
}
void OnLoadScmData(void)
{
TRACE(__FUNCSIG__);
LoadScmData();
}
void OnSaveScmData(void)
{
TRACE(__FUNCSIG__);
GetInstance().ScriptEngine.SaveState();
GetInstance().ScriptEngine.UnregisterAllScripts();
SaveScmData();
GetInstance().ScriptEngine.ReregisterAllScripts();
}
struct CleoSafeHeader
{
const static unsigned sign;
unsigned signature;
unsigned n_saved_threads;
unsigned n_stopped_threads;
};
const unsigned CleoSafeHeader::sign = 0x31345653;
struct ThreadSavingInfo
{
unsigned long hash;
SCRIPT_VAR tls[32];
unsigned timers[2];
bool condResult;
unsigned sleepTime;
eLogicalOperation logicalOp;
bool notFlag;
ptrdiff_t ip_diff;
char threadName[8];
ThreadSavingInfo(CCustomScript *cs) :
hash(cs->dwChecksum), condResult(cs->bCondResult),
logicalOp(cs->LogicalOp), notFlag(cs->NotFlag != false), ip_diff(cs->CurrentIP - reinterpret_cast<BYTE*>(cs->BaseIP))
{
sleepTime = cs->WakeTime >= *GameTimer ? 0 : cs->WakeTime - *GameTimer;
std::copy(cs->LocalVar, cs->LocalVar + 32, tls);
std::copy(cs->Timers, cs->Timers + 2, timers);
std::copy(cs->Name, cs->Name + 8, threadName);
}
void Apply(CCustomScript *cs)
{
cs->dwChecksum = hash;
std::copy(tls, tls + 32, cs->LocalVar);
std::copy(timers, timers + 2, cs->Timers);
cs->bCondResult = condResult;
cs->WakeTime = *GameTimer + sleepTime;
cs->LogicalOp = logicalOp;
cs->NotFlag = notFlag;
cs->CurrentIP = reinterpret_cast<BYTE*>(cs->BaseIP) + ip_diff;
std::copy(threadName, threadName + 8, cs->Name);
cs->bSaveEnabled = true;
}
ThreadSavingInfo() { }
};
SCRIPT_VAR CScriptEngine::CleoVariables[0x400];
template<typename T>
void inline ReadBinary(std::istream& s, T& buf)
{
s.read(reinterpret_cast<char *>(&buf), sizeof(T));
}
template<typename T>
void inline ReadBinary(std::istream& s, T *buf, size_t size)
{
s.read(reinterpret_cast<char *>(buf), sizeof(T) * size);
}
template<typename T>
void inline WriteBinary(std::ostream& s, const T& data)
{
s.write(reinterpret_cast<const char *>(&data), sizeof(T));
}
template<typename T>
void inline WriteBinary(std::ostream& s, const T*data, size_t size)
{
s.write(reinterpret_cast<const char *>(data), sizeof(T) * size);
}
void __fastcall HOOK_ProcessScript(CCustomScript * pScript, int)
{
if (pScript->IsCustom()) pScript->Process();
else ProcessScript(pScript);
}
void HOOK_DrawScriptStuff(char bBeforeFade)
{
GetInstance().ScriptEngine.DrawScriptStuff(bBeforeFade);
// restore SCM textures and return to the overwritten func (which may != DrawScriptSprites)
return bBeforeFade ? DrawScriptStuff_H(bBeforeFade) : DrawScriptStuff(bBeforeFade);
}
#define NUM_STORED_SPRITES 128
#define NUM_STORED_DRAWS 128
#define NUM_STORED_TEXTS 96
#define DRAW_DATA_SIZE 60
#define TEXT_DATA_SIZE 68
#define DRAW_ARRAY_SIZE NUM_STORED_DRAWS*DRAW_DATA_SIZE
#define TEXT_ARRAY_SIZE NUM_STORED_TEXTS*TEXT_DATA_SIZE
CTexture storedSprites[NUM_STORED_SPRITES];
BYTE storedDraws[DRAW_ARRAY_SIZE];
BYTE storedTexts[TEXT_ARRAY_SIZE];
BYTE storedUseTextCommands = 0;
WORD numStoredDraws = 0;
WORD numStoredTexts = 0;
static void RestoreTextDrawDefaults()
{
for (int i = 0; i<NUM_STORED_TEXTS; ++i)
{
CTextDrawer * pText = (CTextDrawer*)&scriptTexts[i*TEXT_DATA_SIZE];
pText->m_fScaleX = 0.48f;
pText->m_fScaleY = 1.12f;
pText->m_Colour = CRGBA(0xE1, 0xE1, 0xE1, 0xFF);
pText->m_bJustify = false;
pText->m_bAlignRight = false;
pText->m_bCenter = false;
pText->m_bBackground = false;
pText->m_bUnk1 = false;
pText->m_fLineHeight = 182.0f;
pText->m_fLineWidth = 640.0f;
pText->m_BackgroundColour = CRGBA(0x80, 0x80, 0x80, 0x80);
pText->m_bProportional = true;
pText->m_EffectColour = CRGBA(0, 0, 0, 0xFF);
strncpy(pText->m_szGXT, "", 8);
pText->m_ucShadow = 2;
pText->m_ucOutline = 0;
pText->m_bDrawBeforeFade = false;
pText->m_nFont = 1;
pText->m_fPosX = 0.0;
pText->m_fPosY = 0.0;
pText->m_nParam1 = -1;
pText->m_nParam2 = -1;
}
}
void CScriptEngine::DrawScriptStuff(char bBeforeFade)
{
for (auto i = CustomScripts.begin(); i != CustomScripts.end(); ++i)
{
auto script = *i;
script->Draw(bBeforeFade);
}
if (auto script = GetCustomMission())
script->Draw(bBeforeFade);
}
void CCustomScript::Process()
{
RestoreScriptSpecifics();
bool bNeedDefaults = false;
if (*useTextCommands)
{
RestoreTextDrawDefaults();
*numScriptTexts = 0;
std::fill(scriptDraws, scriptDraws + DRAW_ARRAY_SIZE, 0);
*numScriptDraws = 0;
if (*useTextCommands == 1)
*useTextCommands = 0;
}
ProcessScript(this);
StoreScriptSpecifics();
}
void CCustomScript::Draw(char bBeforeFade)
{
// no point if this script doesn't draw
if (script_draws.size() || script_texts.size())
{
static CCustomScript * last;
last = this;
RestoreScriptDraws();
RestoreScriptTextures();
if (bBeforeFade) DrawScriptStuff_H(bBeforeFade);
else DrawScriptStuff(bBeforeFade);
StoreScriptDraws();
StoreScriptTextures();
}
}
void CCustomScript::StoreScriptDraws()
{
// store this scripts draws + texts
if (*numScriptDraws)
script_draws.assign(scriptDraws, scriptDraws + (*numScriptDraws * DRAW_DATA_SIZE));
else if (script_draws.size())
script_draws.clear();
if (*numScriptTexts)
script_texts.assign(scriptTexts, scriptTexts + (*numScriptTexts * TEXT_DATA_SIZE));
else if (script_texts.size())
script_texts.clear();
UseTextCommands = *useTextCommands;
NumDraws = *numScriptDraws;
NumTexts = *numScriptTexts;
// restore SCM draws + texts
if (numStoredDraws) std::copy(storedDraws, storedDraws + (numStoredDraws * DRAW_DATA_SIZE), scriptDraws);
else std::fill(scriptDraws, scriptDraws + DRAW_ARRAY_SIZE, 0);
if (numStoredTexts) std::copy(storedTexts, storedTexts + (numStoredTexts * TEXT_DATA_SIZE), scriptTexts);
else RestoreTextDrawDefaults();
*numScriptDraws = numStoredDraws;
*numScriptTexts = numStoredTexts;
*useTextCommands = storedUseTextCommands;
}
void CCustomScript::RestoreScriptDraws()
{
// store SCM draws + texts
storedUseTextCommands = *useTextCommands;
numStoredDraws = *numScriptDraws;
numStoredTexts = *numScriptTexts;
if (numStoredDraws)
std::copy(scriptDraws, scriptDraws + (numStoredDraws * DRAW_DATA_SIZE), storedDraws);
if (numStoredTexts)
std::copy(scriptTexts, scriptTexts + (numStoredTexts * TEXT_DATA_SIZE), storedTexts);
// restore script draws + texts
if (!script_draws.size()) *numScriptDraws = 0;
else
{
std::copy(script_draws.begin(), script_draws.end(), scriptDraws);
*numScriptDraws = NumDraws;
}
if (!script_texts.size()) *numScriptTexts = 0;
else
{
std::copy(script_texts.begin(), script_texts.end(), scriptTexts);
*numScriptTexts = NumTexts;
}
*useTextCommands = UseTextCommands;
}
void CCustomScript::StoreScriptTextures()
{
// store this scripts textures + restore SCM textures + make sure this scripts textures arent cleared by another
if (script_textures.size())
script_textures.clear();
for (int i = 0; i<NUM_STORED_SPRITES; ++i)
{
script_textures.push_back(*(RwTexture**)&scriptSprites[i]);
scriptSprites[i] = storedSprites[i];
}
//std::copy(scriptSprites, scriptSprites + NUM_STORED_SPRITES, storedSprites);
}
void CCustomScript::RestoreScriptTextures()
{
int n = 0;
// store SCM textures
for (int i = 0; i<NUM_STORED_SPRITES; ++i)
{
storedSprites[i] = scriptSprites[i];
}
//std::copy(scriptSprites, scriptSprites + NUM_STORED_SPRITES, storedSprites);
// ensure SCM textures arent cleared - except by the SCM
if (!script_textures.size())
std::fill((RwTexture**)scriptSprites, (RwTexture**)scriptSprites + NUM_STORED_SPRITES, nullptr);
else
{
// restore textures for this script
for (auto i = script_textures.begin(); i != script_textures.end(); ++i, ++n)
{
if (n >= NUM_STORED_SPRITES) break;
*(RwTexture**)(&scriptSprites[n]) = *i;
}
}
}
void CCustomScript::StoreScriptSpecifics()
{
StoreScriptDraws();
StoreScriptTextures();
}
void CCustomScript::RestoreScriptSpecifics()
{
RestoreScriptDraws();
RestoreScriptTextures();
}
void CScriptEngine::Inject(CCodeInjector& inj)
{
TRACE("Injecting ScriptEngine...");
CGameVersionManager& gvm = GetInstance().VersionManager;
// Global Events crashfix
//inj.MemoryWrite(0xA9AF6C, 0, 4);
// Dirty hacks to keep compatibility with plugins + overcome VS thiscall restrictions
FUNC_AddScriptToQueue = gvm.TranslateMemoryAddress(MA_ADD_SCRIPT_TO_QUEUE_FUNCTION);
FUNC_RemoveScriptFromQueue = gvm.TranslateMemoryAddress(MA_REMOVE_SCRIPT_FROM_QUEUE_FUNCTION);
FUNC_StopScript = gvm.TranslateMemoryAddress(MA_STOP_SCRIPT_FUNCTION);
FUNC_ScriptOpcodeHandler00 = gvm.TranslateMemoryAddress(MA_SCRIPT_OPCODE_HANDLER0_FUNCTION);
FUNC_GetScriptParams = gvm.TranslateMemoryAddress(MA_GET_SCRIPT_PARAMS_FUNCTION);
FUNC_TransmitScriptParams = gvm.TranslateMemoryAddress(MA_TRANSMIT_SCRIPT_PARAMS_FUNCTION);
FUNC_SetScriptParams = gvm.TranslateMemoryAddress(MA_SET_SCRIPT_PARAMS_FUNCTION);
FUNC_SetScriptCondResult = gvm.TranslateMemoryAddress(MA_SET_SCRIPT_COND_RESULT_FUNCTION);
FUNC_GetScriptParamPointer1 = gvm.TranslateMemoryAddress(MA_GET_SCRIPT_PARAM_POINTER1_FUNCTION);
FUNC_GetScriptStringParam = gvm.TranslateMemoryAddress(MA_GET_SCRIPT_STRING_PARAM_FUNCTION);
FUNC_GetScriptParamPointer2 = gvm.TranslateMemoryAddress(MA_GET_SCRIPT_PARAM_POINTER2_FUNCTION);
AddScriptToQueue = reinterpret_cast<void(__thiscall*)(CRunningScript*, CRunningScript**)>(_AddScriptToQueue);
RemoveScriptFromQueue = reinterpret_cast<void(__thiscall*)(CRunningScript*, CRunningScript**)>(_RemoveScriptFromQueue);
StopScript = reinterpret_cast<void(__thiscall*)(CRunningScript*)>(_StopScript);
ScriptOpcodeHandler00 = reinterpret_cast<char(__thiscall*)(CRunningScript*, WORD)>(_ScriptOpcodeHandler00);
GetScriptParams = reinterpret_cast<void(__thiscall*)(CRunningScript*, int)>(_GetScriptParams);
TransmitScriptParams = reinterpret_cast<void(__thiscall*)(CRunningScript*, CRunningScript*)>(_TransmitScriptParams);
SetScriptParams = reinterpret_cast<void(__thiscall*)(CRunningScript*, int)>(_SetScriptParams);
SetScriptCondResult = reinterpret_cast<void(__thiscall*)(CRunningScript*, bool)>(_SetScriptCondResult);
GetScriptParamPointer1 = reinterpret_cast<SCRIPT_VAR * (__thiscall*)(CRunningScript*)>(_GetScriptParamPointer1);
GetScriptStringParam = reinterpret_cast<void(__thiscall*)(CRunningScript*, char*, BYTE)>(_GetScriptStringParam);
GetScriptParamPointer2 = reinterpret_cast<SCRIPT_VAR * (__thiscall*)(CRunningScript*, int)>(_GetScriptParamPointer2);
InitScm = gvm.TranslateMemoryAddress(MA_INIT_SCM_FUNCTION);
SaveScmData = gvm.TranslateMemoryAddress(MA_SAVE_SCM_DATA_FUNCTION);
LoadScmData = gvm.TranslateMemoryAddress(MA_LOAD_SCM_DATA_FUNCTION);
GameTimer = gvm.TranslateMemoryAddress(MA_GAME_TIMER);
opcodeParams = gvm.TranslateMemoryAddress(MA_OPCODE_PARAMS);
missionLocals = gvm.TranslateMemoryAddress(MA_MISSION_LOCALS);
scmBlock = gvm.TranslateMemoryAddress(MA_SCM_BLOCK);
MissionLoaded = gvm.TranslateMemoryAddress(MA_MISSION_LOADED);
missionBlock = gvm.TranslateMemoryAddress(MA_MISSION_BLOCK);
onMissionFlag = gvm.TranslateMemoryAddress(MA_ON_MISSION_FLAG);
// Protect script dependencies
auto addr = gvm.TranslateMemoryAddress(MA_CALL_PROCESS_SCRIPT);
inj.MemoryReadOffset(addr.address + 1, ProcessScript);
inj.ReplaceFunction(HOOK_ProcessScript, addr);
scriptSprites = gvm.TranslateMemoryAddress(MA_SCRIPT_SPRITE_ARRAY);
scriptDraws = gvm.TranslateMemoryAddress(MA_SCRIPT_DRAW_ARRAY);
scriptTexts = gvm.TranslateMemoryAddress(MA_SCRIPT_TEXT_ARRAY);
numScriptDraws = gvm.TranslateMemoryAddress(MA_NUM_SCRIPT_DRAWS);
numScriptTexts = gvm.TranslateMemoryAddress(MA_NUM_SCRIPT_TEXTS);
useTextCommands = gvm.TranslateMemoryAddress(MA_USE_TEXT_COMMANDS);
inj.MemoryReadOffset(gvm.TranslateMemoryAddress(MA_CALL_DRAW_SCRIPT_TEXTS_AFTER_FADE).address + 1, CLEO::DrawScriptStuff);
inj.MemoryReadOffset(gvm.TranslateMemoryAddress(MA_CALL_DRAW_SCRIPT_TEXTS_BEFORE_FADE).address + 1, DrawScriptStuff_H);
inj.ReplaceFunction(HOOK_DrawScriptStuff, gvm.TranslateMemoryAddress(MA_CALL_DRAW_SCRIPT_TEXTS_AFTER_FADE));
inj.ReplaceFunction(HOOK_DrawScriptStuff, gvm.TranslateMemoryAddress(MA_CALL_DRAW_SCRIPT_TEXTS_BEFORE_FADE));
inj.MemoryWrite(gvm.TranslateMemoryAddress(MA_CODE_JUMP_FOR_TXD_STORE), OP_RET);
inactiveThreadQueue = gvm.TranslateMemoryAddress(MA_INACTIVE_THREAD_QUEUE);
activeThreadQueue = gvm.TranslateMemoryAddress(MA_ACTIVE_THREAD_QUEUE);
staticThreads = gvm.TranslateMemoryAddress(MA_STATIC_THREADS);
if (gvm.GetGameVersion() == GV_EU11)
{
inj.ReplaceFunction(OnInitScm3, gvm.TranslateMemoryAddress(MA_CALL_INIT_SCM3));
inj.InjectFunction(OnNewGame, 0x5DEEA0); // GV_EU11 specific
}
else
{
inj.ReplaceFunction(OnInitScm1, gvm.TranslateMemoryAddress(MA_CALL_INIT_SCM1));
inj.ReplaceFunction(OnInitScm2, gvm.TranslateMemoryAddress(MA_CALL_INIT_SCM2));
inj.ReplaceFunction(OnInitScm3, gvm.TranslateMemoryAddress(MA_CALL_INIT_SCM3));
}
inj.ReplaceFunction(OnLoadScmData, gvm.TranslateMemoryAddress(MA_CALL_LOAD_SCM_DATA));
inj.ReplaceFunction(OnSaveScmData, gvm.TranslateMemoryAddress(MA_CALL_SAVE_SCM_DATA));
inj.InjectFunction(&opcode_004E_hook, gvm.TranslateMemoryAddress(MA_OPCODE_004E));
}
CleoSafeHeader safe_header;
ThreadSavingInfo *safe_info;
unsigned long *stopped_info;
std::unique_ptr<ThreadSavingInfo[]> safe_info_utilizer;
std::unique_ptr<unsigned long[]> stopped_info_utilizer;
void CScriptEngine::LoadCustomScripts(bool load_mode)
{
char safe_name[MAX_PATH];
// steam offset is different, so get it manually for now
CGameVersionManager& gvm = GetInstance().VersionManager;
int nSlot = gvm.GetGameVersion() != GV_STEAM ? *(BYTE*)&MenuManager->m_nSelectedSaveGame : *((BYTE*)MenuManager + 0x15B);
sprintf(safe_name, "./cleo/cleo_saves/cs%d.sav", nSlot);
safe_info = nullptr;
stopped_info = nullptr;
safe_header.n_saved_threads = safe_header.n_stopped_threads = 0;
if (load_mode)
{
// load cleo saving file
try
{
TRACE("Loading cleo safe %s", safe_name);
std::ifstream ss(safe_name, std::ios::binary);
if (ss.is_open())
{
ss.exceptions(std::ios::eofbit | std::ios::badbit | std::ios::failbit);
ReadBinary(ss, safe_header);
if (safe_header.signature != CleoSafeHeader::sign)
throw std::runtime_error("Invalid file format");
safe_info = new ThreadSavingInfo[safe_header.n_saved_threads];
safe_info_utilizer.reset(safe_info);
stopped_info = new unsigned long[safe_header.n_stopped_threads];
stopped_info_utilizer.reset(stopped_info);
ReadBinary(ss, CleoVariables, 0x400);
ReadBinary(ss, safe_info, safe_header.n_saved_threads);
ReadBinary(ss, stopped_info, safe_header.n_stopped_threads);
for (size_t i = 0; i < safe_header.n_stopped_threads; ++i)
InactiveScriptHashes.insert(stopped_info[i]);
TRACE("Finished. Loaded %u cleo variables, %u saved threads info, %u stopped threads info",
0x400, safe_header.n_saved_threads, safe_header.n_stopped_threads);
}
else
{
memset(CleoVariables, 0, sizeof(CleoVariables));
}
}
catch (std::exception& ex)
{
TRACE("Loading of cleo safe %s failed: %s", safe_name, ex.what());
safe_header.n_saved_threads = safe_header.n_stopped_threads = 0;
memset(CleoVariables, 0, sizeof(CleoVariables));
}
}
else
{
memset(CleoVariables, 0, sizeof(CleoVariables));
}
char cwd[MAX_PATH];
_getcwd(cwd, sizeof(cwd));
_chdir(cleo_dir);
TRACE("Searching for cleo scripts");
FilesWalk(cs_mask, [this](const char *filename) {
LoadScript(filename);
});
FilesWalk(cs4_mask, [this](const char *filename) {
auto cs = LoadScript(filename);
if (cs) cs->SetCompatibility(CLEO_VER_4);
});
FilesWalk(cs3_mask, [this](const char *filename) {
auto cs = LoadScript(filename);
if (cs) cs->SetCompatibility(CLEO_VER_3);
});
_chdir(cwd);
}
CCustomScript * CScriptEngine::LoadScript(const char * szFilePath)
{
auto cs = new CCustomScript(szFilePath);
if (!cs || !cs->bOK)
{
TRACE("Loading of custom script %s failed", szFilePath);
if (cs) delete cs;
return nullptr;
}
// check whether the script is in stop-list
if (stopped_info)
{
for (size_t i = 0; i < safe_header.n_stopped_threads; ++i)
{
if (stopped_info[i] == cs->dwChecksum)
{
TRACE("Custom script %s found in the stop-list", szFilePath);
InactiveScriptHashes.insert(stopped_info[i]);
delete cs;
return nullptr;
}
}
}
// check whether the script is in safe-list
if (safe_info)
{
for (size_t i = 0; i < safe_header.n_saved_threads; ++i)
{
if (safe_info[i].hash == cs->dwChecksum)
{
TRACE("Custom script %s found in the safe-list", szFilePath);
safe_info[i].Apply(cs);
break;
}
}
}
AddCustomScript(cs);
return cs;
}
void CScriptEngine::SaveState()
{
try
{
std::list<CCustomScript *> savedThreads;
std::for_each(CustomScripts.begin(), CustomScripts.end(), [this, &savedThreads](CCustomScript *cs) {
if (cs->bSaveEnabled)
savedThreads.push_back(cs);
});
CleoSafeHeader header = { CleoSafeHeader::sign, savedThreads.size(), InactiveScriptHashes.size() };
// steam offset is different, so get it manually for now
CGameVersionManager& gvm = GetInstance().VersionManager;
int nSlot = gvm.GetGameVersion() != GV_STEAM ? *(BYTE*)&MenuManager->m_nSelectedSaveGame : *((BYTE*)MenuManager + 0x15B);
char safe_name[MAX_PATH];
sprintf(safe_name, "./cleo/cleo_saves/cs%d.sav", nSlot);
TRACE("Saving script engine state to the file %s", safe_name);
CreateDirectory("cleo", NULL);
CreateDirectory("cleo/cleo_saves", NULL);
std::ofstream ss(safe_name, std::ios::binary);
if (ss.is_open())
{
ss.exceptions(std::ios::failbit | std::ios::badbit);
WriteBinary(ss, header);
WriteBinary(ss, CleoVariables, 0x400);
std::for_each(savedThreads.begin(), savedThreads.end(), [&savedThreads, &ss](CCustomScript *cs)
{
ThreadSavingInfo savingInfo(cs);
WriteBinary(ss, savingInfo);
});
std::for_each(InactiveScriptHashes.begin(), InactiveScriptHashes.end(), [&ss](unsigned long hash) {
WriteBinary(ss, hash);
});
TRACE("Done. Saved %u cleo variables, %u saved threads, %u stopped threads",
0x400, header.n_saved_threads, header.n_stopped_threads);
}
else
{
TRACE("Failed to write save file '%s'!", safe_name);
}
}
catch (std::exception& ex)
{
TRACE("Saving failed. %s", ex.what());
}
}
CRunningScript *CScriptEngine::FindScriptNamed(const char *name)
{
for (auto script = *activeThreadQueue; script; script = script->GetNext())
{
if (_stricmp(name, script->GetName()) == 0)
return script;
}
return nullptr;
}
CCustomScript *CScriptEngine::FindCustomScriptNamed(const char *name)
{
if (CustomMission)
{
if (_stricmp(name, CustomMission->Name) == 0) return CustomMission;
}
for (auto it = CustomScripts.begin(); it != CustomScripts.end(); ++it)
{
auto cs = *it;
if (_stricmp(name, cs->Name) == 0)
return cs;
}
return nullptr;
}
void CScriptEngine::AddCustomScript(CCustomScript *cs)
{
if (cs->IsMission())
{
TRACE("Registering custom mission named %s", cs->Name);
CustomMission = cs;
}
else
{
TRACE("Registering custom script named %s", cs->Name);
CustomScripts.push_back(cs);
}
AddScriptToQueue(cs, activeThreadQueue);
cs->SetActive(true);
}
void CScriptEngine::RemoveCustomScript(CCustomScript *cs)
{
if (cs->parentThread)
{
cs->BaseIP = 0; // don't delete BaseIP if child thread
}
for (auto childThread : cs->childThreads)
{
CScriptEngine::RemoveCustomScript(childThread);
}
if (cs == CustomMission)
{
TRACE("Unregistering custom mission named %s", cs->Name);
RemoveScriptFromQueue(CustomMission, activeThreadQueue);
ScriptsWaitingForDelete.push_back(cs);
CustomMission->SetActive(false);
CustomMission = nullptr;
*MissionLoaded = false;
}
else
{
if (cs->bSaveEnabled)
{
InactiveScriptHashes.insert(cs->dwChecksum);
TRACE("Stopping custom script named %s", cs->Name);
}
else
{
TRACE("Unregistering custom script named %s", cs->Name);
ScriptsWaitingForDelete.push_back(cs);
}
//TRACE("Psyke!");
CustomScripts.remove(cs);
RemoveScriptFromQueue(cs, activeThreadQueue);
cs->SetActive(false);
/*if(!pScript->IsMission()) *MissionLoaded = false;
RemoveScriptFromQueue(pScript, activeThreadQueue);
AddScriptToQueue(pScript, inactiveThreadQueue);
StopScript(pScript);*/
}
}
void CScriptEngine::RemoveAllCustomScripts(void)
{
InactiveScriptHashes.clear();
std::for_each(CustomScripts.begin(), CustomScripts.end(), [this](CCustomScript *cs) {
TRACE("Unregistering custom script named %s", cs->Name);
RemoveScriptFromQueue(cs, activeThreadQueue);
//AddScriptToQueue(cs, inactiveThreadQueue);
//if(cs->GetPrev()) cs->GetPrev()->SetNext(nullptr);
//if(cs->GetNext()) cs->GetNext()->SetPrev(nullptr);
//TRACE("Psyke!!");
cs->SetActive(false);
delete cs;
});
CustomScripts.clear();
std::for_each(ScriptsWaitingForDelete.begin(), ScriptsWaitingForDelete.end(), [this](CCustomScript *cs) {
TRACE("Deleting inactive script named %s", cs->Name);
delete cs;
});
ScriptsWaitingForDelete.clear();
if (CustomMission)
{
TRACE("Unregistering custom mission named %s", CustomMission->Name);
RemoveScriptFromQueue(CustomMission, activeThreadQueue);
CustomMission->SetActive(false);
delete CustomMission;
CustomMission = nullptr;
*MissionLoaded = false;
}
}
void CScriptEngine::UnregisterAllScripts()
{
TRACE("Unregistering all custom scripts");
std::for_each(CustomScripts.begin(), CustomScripts.end(), [this](CCustomScript *cs) {
RemoveScriptFromQueue(cs, activeThreadQueue);
cs->SetActive(false);
});
}
void CScriptEngine::ReregisterAllScripts()
{
TRACE("Reregistering all custom scripts");
std::for_each(CustomScripts.begin(), CustomScripts.end(), [this](CCustomScript *cs) {
AddScriptToQueue(cs, activeThreadQueue);
cs->SetActive(true);
});
}
// TODO: Consider split into 2 classes: CCustomExternalScript, CCustomChildScript
CCustomScript::CCustomScript(const char *szFileName, bool bIsMiss, CCustomScript *parent, int label)
: CRunningScript(), bSaveEnabled(false), bOK(false),
LastSearchPed(0), LastSearchCar(0), LastSearchObj(0),
CompatVer(CLEO_VERSION)
{
IsCustom(1);
bIsMission = bUseMissionCleanup = bIsMiss;
UseTextCommands = 0;
NumDraws = 0;
NumTexts = 0;
TRACE("Loading custom script %s...", szFileName);
try
{
std::ifstream is;
if (label != 0) // Create external from label.
{
if (!parent)