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