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#pragma once
void InitialiseClientSquirrel(HMODULE baseAddress);
void InitialiseServerSquirrel(HMODULE baseAddress);
// stolen from ttf2sdk: sqvm types
typedef float SQFloat;
typedef long SQInteger;
typedef unsigned long SQUnsignedInteger;
typedef char SQChar;
typedef SQUnsignedInteger SQBool;
typedef SQInteger SQRESULT;
typedef SQInteger(*SQFunction)(void* sqvm);
struct CompileBufferState
{
const SQChar* buffer;
const SQChar* bufferPlusLength;
const SQChar* bufferAgain;
CompileBufferState(const std::string& code)
{
buffer = code.c_str();
bufferPlusLength = code.c_str() + code.size();
bufferAgain = code.c_str();
}
};
struct SQFuncRegistration
{
const char* squirrelFuncName;
const char* cppFuncName;
const char* helpText;
const char* returnValueType;
const char* argTypes;
int16_t somethingThatsZero;
int16_t padding1;
int32_t unknown1;
int64_t unknown2;
int32_t unknown3;
int32_t padding2;
int64_t unknown4;
int64_t unknown5;
int64_t unknown6;
int32_t unknown7;
int32_t padding3;
void* funcPtr;
SQFuncRegistration()
{
memset(this, 0, sizeof(SQFuncRegistration));
this->padding2 = 32;
}
};
// core sqvm funcs
typedef SQRESULT(*sq_compilebufferType)(void* sqvm, CompileBufferState* compileBuffer, const char* file, int a1, int a2);
extern sq_compilebufferType ClientSq_compilebuffer;
extern sq_compilebufferType ServerSq_compilebuffer;
typedef void(*sq_pushroottableType)(void* sqvm);
extern sq_pushroottableType ClientSq_pushroottable;
extern sq_pushroottableType ServerSq_pushroottable;
typedef SQRESULT(*sq_callType)(void* sqvm, SQInteger s1, SQBool a2, SQBool a3);
extern sq_callType ClientSq_call;
extern sq_callType ServerSq_call;
typedef int64_t(*RegisterSquirrelFuncType)(void* sqvm, SQFuncRegistration* funcReg, char unknown);
extern RegisterSquirrelFuncType ClientRegisterSquirrelFunc;
extern RegisterSquirrelFuncType ServerRegisterSquirrelFunc;
// sq stack array funcs
typedef void(*sq_newarrayType)(void* sqvm, SQInteger stackpos);
extern sq_newarrayType ClientSq_newarray;
extern sq_newarrayType ServerSq_newarray;
typedef SQRESULT(*sq_arrayappendType)(void* sqvm, SQInteger stackpos);
extern sq_arrayappendType ClientSq_arrayappend;
extern sq_arrayappendType ServerSq_arrayappend;
// sq stack push funcs
typedef void(*sq_pushstringType)(void* sqvm, const SQChar* str, SQInteger stackpos);
extern sq_pushstringType ClientSq_pushstring;
extern sq_pushstringType ServerSq_pushstring;
// weird how these don't take a stackpos arg?
typedef void(*sq_pushintegerType)(void* sqvm, SQInteger i);
extern sq_pushintegerType ClientSq_pushinteger;
extern sq_pushintegerType ServerSq_pushinteger;
typedef void(*sq_pushfloatType)(void* sqvm, SQFloat f);
extern sq_pushfloatType ClientSq_pushfloat;
extern sq_pushfloatType ServerSq_pushfloat;
typedef void(*sq_pushboolType)(void* sqvm, SQBool b);
extern sq_pushboolType ClientSq_pushbool;
extern sq_pushboolType ServerSq_pushbool;
// sq stack get funcs
typedef const SQChar*(*sq_getstringType)(void* sqvm, SQInteger stackpos);
extern sq_getstringType ClientSq_getstring;
extern sq_getstringType ServerSq_getstring;
typedef SQInteger(*sq_getintegerType)(void* sqvm, SQInteger stackpos);
extern sq_getintegerType ClientSq_getinteger;
extern sq_getintegerType ServerSq_getinteger;
typedef SQFloat(*sq_getfloatType)(void*, SQInteger stackpos);
extern sq_getfloatType ClientSq_getfloat;
extern sq_getfloatType ServerSq_getfloat;
template<Context context> class SquirrelManager
{
private:
std::vector<SQFuncRegistration*> m_funcRegistrations;
public:
void* sqvm;
void* sqvm2;
public:
SquirrelManager() : sqvm(nullptr)
{}
void VMCreated(void* newSqvm)
{
sqvm = newSqvm;
sqvm2 = *((void**)((char*)sqvm + 8)); // honestly not 100% sure on what this is, but alot of functions take it
for (SQFuncRegistration* funcReg : m_funcRegistrations)
{
spdlog::info("Registering {} function {}", GetContextName(context), funcReg->squirrelFuncName);
if (context == CLIENT || context == UI)
ClientRegisterSquirrelFunc(sqvm, funcReg, 1);
else
ServerRegisterSquirrelFunc(sqvm, funcReg, 1);
}
}
void VMDestroyed()
{
sqvm = nullptr;
}
void ExecuteCode(const char* code)
{
// ttf2sdk checks ThreadIsInMainThread here, might be good to do that? doesn't seem like an issue rn tho
if (!sqvm)
{
spdlog::error("Cannot execute code, {} squirrel vm is not initialised", GetContextName(context));
return;
}
spdlog::info("Executing {} script code {} ", GetContextName(context), code);
std::string strCode(code);
CompileBufferState bufferState = CompileBufferState(strCode);
SQRESULT compileResult;
if (context == CLIENT || context == UI)
compileResult = ClientSq_compilebuffer(sqvm2, &bufferState, "console", -1, context);
else if (context == SERVER)
compileResult = ServerSq_compilebuffer(sqvm2, &bufferState, "console", -1, context);
spdlog::info("sq_compilebuffer returned {}", compileResult);
if (compileResult >= 0)
{
if (context == CLIENT || context == UI)
{
ClientSq_pushroottable(sqvm2);
SQRESULT callResult = ClientSq_call(sqvm2, 1, false, false);
spdlog::info("sq_call returned {}", callResult);
}
else if (context == SERVER)
{
ServerSq_pushroottable(sqvm2);
SQRESULT callResult = ServerSq_call(sqvm2, 1, false, false);
spdlog::info("sq_call returned {}", callResult);
}
}
}
void AddFuncRegistration(std::string returnType, std::string name, std::string argTypes, std::string helpText, SQFunction func)
{
SQFuncRegistration* reg = new SQFuncRegistration;
reg->squirrelFuncName = new char[name.size() + 1];
strcpy((char*)reg->squirrelFuncName, name.c_str());
reg->cppFuncName = reg->squirrelFuncName;
reg->helpText = new char[helpText.size() + 1];
strcpy((char*)reg->helpText, helpText.c_str());
reg->returnValueType = new char[returnType.size() + 1];
strcpy((char*)reg->returnValueType, returnType.c_str());
reg->argTypes = new char[argTypes.size() + 1];
strcpy((char*)reg->argTypes, argTypes.c_str());
reg->funcPtr = func;
m_funcRegistrations.push_back(reg);
}
};
extern std::unique_ptr<SquirrelManager<CLIENT>> g_ClientSquirrelManager;
extern std::unique_ptr<SquirrelManager<SERVER>> g_ServerSquirrelManager;
extern std::unique_ptr<SquirrelManager<UI>> g_UISquirrelManager;
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