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2026-02-02 04:50:13 +01:00

148 lines
4.6 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*
* Copyright (C) 2006-2010 - Frictional Games
*
* This file is part of HPL1 Engine.
*/
#include "hpl1/engine/impl/SqScript.h"
#include "common/file.h"
#include "hpl1/debug.h"
#include "hpl1/engine/libraries/angelscript/add-ons/scripthelper.h"
#include "hpl1/engine/libraries/angelscript/angelscript.h"
#include "hpl1/engine/math/Math.h"
#include "hpl1/engine/system/String.h"
#include "hpl1/engine/system/low_level_system.h"
namespace hpl {
//////////////////////////////////////////////////////////////////////////
// CONSTRUCTORS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
cSqScript::cSqScript(const tString &asName, asIScriptEngine *apScriptEngine, int alHandle)
: iScript(asName) {
mpScriptEngine = apScriptEngine;
mlHandle = alHandle;
mpContext = mpScriptEngine->CreateContext();
// Create a unique module name
msModuleName = "Module_" + cString::ToString(cMath::RandRectl(0, 1000000)) +
"_" + cString::ToString(mlHandle);
}
cSqScript::~cSqScript() {
_module->Discard();
mpContext->Release();
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// PUBLIC METHODS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
bool cSqScript::CreateFromFile(const tString &asFileName) {
int lLength;
char *pCharBuffer = LoadCharBuffer(asFileName, lLength);
if (pCharBuffer == nullptr) {
Error("Couldn't load script '%s'!\n", asFileName.c_str());
return false;
}
_module = mpScriptEngine->GetModule(msModuleName.c_str(), asGM_ALWAYS_CREATE);
if (_module->AddScriptSection(msModuleName.c_str(), pCharBuffer, lLength) < 0) {
Error("Couldn't add script '%s'!\n", asFileName.c_str());
hplDeleteArray(pCharBuffer);
return false;
}
if (_module->Build() < 0) {
Hpl1::logError(Hpl1::kDebugSaves, "Couldn't build script '%s'!\n", asFileName.c_str());
hplDeleteArray(pCharBuffer);
return false;
}
hplDeleteArray(pCharBuffer);
return true;
}
//-----------------------------------------------------------------------
int cSqScript::GetFuncHandle(const tString &asFunc) {
return _module->GetFunctionByName(asFunc.c_str())->GetId();
}
//-----------------------------------------------------------------------
void cSqScript::AddArg(const tString &asArg) {
}
//-----------------------------------------------------------------------
bool cSqScript::Run(const tString &asFuncLine) {
ExecuteString(mpScriptEngine, asFuncLine.c_str(), _module);
return true;
}
//-----------------------------------------------------------------------
bool cSqScript::Run(int alHandle) {
error("call to unimplemented function cSqScript::run(int)");
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// PRIVATE METHODS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
char *cSqScript::LoadCharBuffer(const tString &asFileName, int &alLength) {
Common::File file;
file.open(Common::Path(asFileName));
if (!file.isOpen()) {
debugCN(Hpl1::kDebugLevelError, Hpl1::kDebugFilePath,
"script file at %s could not be opened", asFileName.c_str());
return nullptr;
}
alLength = file.size();
char *pBuffer = hplNewArray(char, alLength);
file.read(pBuffer, alLength);
if (file.err()) {
debugCN(Hpl1::kDebugLevelError, Hpl1::kDebugResourceLoading,
"error in reading script file %s", asFileName.c_str());
return nullptr;
}
return pBuffer;
}
} // namespace hpl