mirror of
https://github.com/OpenRCT2/OpenRCT2
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534 lines
16 KiB
C++
534 lines
16 KiB
C++
#pragma region Copyright (c) 2014-2016 OpenRCT2 Developers
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/*****************************************************************************
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* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
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*
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* OpenRCT2 is the work of many authors, a full list can be found in contributors.md
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* For more information, visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 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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* A full copy of the GNU General Public License can be found in licence.txt
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*****************************************************************************/
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#pragma endregion
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#include <vector>
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#include <SDL.h>
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#include "../common.h"
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#include "../core/Collections.hpp"
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#include "../core/Console.hpp"
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#include "../core/File.h"
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#include "../core/FileScanner.h"
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#include "../core/FileStream.hpp"
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#include "../core/Guard.hpp"
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#include "../core/Math.hpp"
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#include "../core/Memory.hpp"
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#include "../core/Path.hpp"
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#include "../core/String.hpp"
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#include "../core/StringBuilder.hpp"
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#include "../core/Zip.h"
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#include "TitleSequence.h"
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extern "C"
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{
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#include "../platform/platform.h"
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}
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static std::vector<utf8 *> GetSaves(const utf8 * path);
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static std::vector<utf8 *> GetSaves(IZipArchive * zip);
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static std::vector<TitleCommand> LegacyScriptRead(utf8 * script, size_t scriptLength, std::vector<utf8 *> saves);
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static void LegacyScriptGetLine(SDL_RWops * file, char * parts);
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static void * ReadScriptFile(const utf8 * path, size_t * outSize);
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static utf8 * LegacyScriptWrite(TitleSequence * seq);
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extern "C"
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{
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TitleSequence * CreateTitleSequence()
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{
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TitleSequence * seq = Memory::Allocate<TitleSequence>();
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Memory::Set(seq, 0, sizeof(TitleSequence));
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return seq;
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}
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TitleSequence * LoadTitleSequence(const utf8 * path)
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{
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size_t scriptLength;
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char * script;
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std::vector<utf8 *> saves;
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bool isZip;
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const utf8 * ext = Path::GetExtension(path);
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if (String::Equals(ext, TITLE_SEQUENCE_EXTENSION))
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{
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IZipArchive * zip = Zip::TryOpen(path, ZIP_ACCESS_READ);
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if (zip == nullptr)
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{
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Console::Error::WriteLine("Unable to open '%s'", path);
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return nullptr;
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}
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script = (char *)zip->GetFileData("script.txt", &scriptLength);
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if (script == nullptr)
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{
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Console::Error::WriteLine("Unable to open script.txt in '%s'", path);
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delete zip;
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return nullptr;
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}
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saves = GetSaves(zip);
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isZip = true;
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delete zip;
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}
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else
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{
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utf8 scriptPath[260];
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String::Set(scriptPath, sizeof(scriptPath), path);
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Path::Append(scriptPath, sizeof(scriptPath), "script.txt");
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script = (char *)ReadScriptFile(scriptPath, &scriptLength);
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if (script == nullptr)
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{
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Console::Error::WriteLine("Unable to open '%s'", scriptPath);
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return nullptr;
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}
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saves = GetSaves(path);
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isZip = false;
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}
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std::vector<TitleCommand> commands = LegacyScriptRead(script, scriptLength, saves);
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TitleSequence * seq = CreateTitleSequence();
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seq->Name = Path::GetFileNameWithoutExtension(path);
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seq->Path = String::Duplicate(path);
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seq->NumSaves = saves.size();
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seq->Saves = Collections::ToArray(saves);
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seq->NumCommands = commands.size();
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seq->Commands = Collections::ToArray(commands);
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seq->IsZip = isZip;
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return seq;
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}
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void FreeTitleSequence(TitleSequence * seq)
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{
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if (seq != nullptr)
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{
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Memory::Free(seq->Name);
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Memory::Free(seq->Path);
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Memory::Free(seq->Commands);
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for (size_t i = 0; i < seq->NumSaves; i++)
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{
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Memory::Free(seq->Saves[i]);
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}
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Memory::Free(seq->Saves);
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}
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}
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TitleSequenceParkHandle * TitleSequenceGetParkHandle(TitleSequence * seq, size_t index)
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{
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TitleSequenceParkHandle * handle = nullptr;
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if (index <= seq->NumSaves)
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{
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const utf8 * filename = seq->Saves[index];
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if (seq->IsZip)
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{
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IZipArchive * zip = Zip::TryOpen(seq->Path, ZIP_ACCESS_READ);
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if (zip != nullptr)
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{
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handle = Memory::Allocate<TitleSequenceParkHandle>();
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handle->Data = zip->GetFileData(filename, &handle->DataSize);
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handle->RWOps = SDL_RWFromMem(handle->Data, (int)handle->DataSize);
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handle->IsScenario = String::Equals(Path::GetExtension(filename), ".sc6", true);
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delete zip;
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}
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}
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else
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{
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utf8 absolutePath[260];
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String::Set(absolutePath, sizeof(absolutePath), seq->Path);
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Path::Append(absolutePath, sizeof(absolutePath), filename);
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handle = Memory::Allocate<TitleSequenceParkHandle>();
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handle->Data = nullptr;
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handle->RWOps = SDL_RWFromFile(absolutePath, "rb");
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handle->IsScenario = String::Equals(Path::GetExtension(filename), ".sc6", true);
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}
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}
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return handle;
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}
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void TitleSequenceCloseParkHandle(TitleSequenceParkHandle * handle)
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{
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if (handle != nullptr)
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{
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SDL_RWclose(handle->RWOps);
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Memory::Free(handle->Data);
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Memory::Free(handle);
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}
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}
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bool TileSequenceSave(TitleSequence * seq)
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{
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bool success = false;
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utf8 * script = LegacyScriptWrite(seq);
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if (seq->IsZip)
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{
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IZipArchive * zip = Zip::TryOpen(seq->Path, ZIP_ACCESS_WRITE);
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zip->SetFileData("script.txt", script, String::SizeOf(script));
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delete zip;
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success = true;
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}
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else
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{
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utf8 scriptPath[260];
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String::Set(scriptPath, sizeof(scriptPath), seq->Path);
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Path::Append(scriptPath, sizeof(scriptPath), "script.txt");
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try
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{
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auto fs = FileStream(scriptPath, FILE_MODE_WRITE);
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fs.Write(script, String::SizeOf(script));
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success = true;
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}
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catch (Exception)
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{
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}
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}
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Memory::Free(script);
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return success;
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}
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bool TileSequenceAddPark(TitleSequence * seq, const utf8 * path, const utf8 * name)
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{
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// Determine new path (relative for zip)
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utf8 dstPath[260];
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if (seq->IsZip)
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{
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String::Set(dstPath, sizeof(dstPath), name);
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}
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else
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{
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String::Set(dstPath, sizeof(dstPath), seq->Path);
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Path::Append(dstPath, sizeof(dstPath), name);
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}
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// Get new save index
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size_t index = SIZE_MAX;
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for (size_t i = 0; i < seq->NumSaves; i++)
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{
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if (String::Equals(seq->Saves[i], path, true))
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{
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index = i;
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break;
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}
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}
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if (index == SIZE_MAX)
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{
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seq->Saves = Memory::ReallocateArray(seq->Saves, seq->NumSaves + 1);
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Guard::Assert(seq->Saves != nullptr, GUARD_LINE);
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index = seq->NumSaves;
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seq->NumSaves++;
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}
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seq->Saves[index] = String::Duplicate(dstPath);
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if (seq->IsZip)
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{
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try
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{
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size_t fsize;
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void * fdata = File::ReadAllBytes(path, &fsize);
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IZipArchive * zip = Zip::TryOpen(seq->Path, ZIP_ACCESS_WRITE);
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if (zip == nullptr)
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{
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Console::Error::WriteLine("Unable to open '%s'", seq->Path);
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return false;
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}
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zip->SetFileData(dstPath, fdata, fsize);
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delete zip;
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Memory::Free(fdata);
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}
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catch (Exception ex)
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{
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Console::Error::WriteLine(ex.GetMessage());
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}
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}
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else
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{
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if (!platform_file_copy(path, dstPath, true))
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{
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Console::Error::WriteLine("Unable to copy '%s' to '%s'", path, dstPath);
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return false;
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}
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}
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return true;
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}
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}
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static std::vector<utf8 *> GetSaves(const utf8 * directory)
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{
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std::vector<utf8 *> saves;
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utf8 pattern[260];
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String::Set(pattern, sizeof(pattern), directory);
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Path::Append(pattern, sizeof(pattern), "*.sc6;*.sv6");
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IFileScanner * scanner = Path::ScanDirectory(pattern, true);
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while (scanner->Next())
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{
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const utf8 * path = scanner->GetPathRelative();
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saves.push_back(String::Duplicate(path));
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}
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return saves;
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}
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static std::vector<utf8 *> GetSaves(IZipArchive * zip)
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{
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std::vector<utf8 *> saves;
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size_t numFiles = zip->GetNumFiles();
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for (size_t i = 0; i < numFiles; i++)
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{
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const utf8 * name = zip->GetFileName(i);
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const utf8 * ext = Path::GetExtension(name);
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if (String::Equals(ext, ".sv6", true) ||
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String::Equals(ext, ".sc6", true))
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{
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saves.push_back(String::Duplicate(name));
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}
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}
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return saves;
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}
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static std::vector<TitleCommand> LegacyScriptRead(utf8 * script, size_t scriptLength, std::vector<utf8 *> saves)
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{
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std::vector<TitleCommand> commands;
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SDL_RWops * file = SDL_RWFromMem(script, (int)scriptLength);
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do {
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char parts[3 * 128], *token, *part1, *part2;
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LegacyScriptGetLine(file, parts);
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token = &parts[0 * 128];
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part1 = &parts[1 * 128];
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part2 = &parts[2 * 128];
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TitleCommand command = { 0 };
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command.Type = TITLE_SCRIPT_UNDEFINED;
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if (token[0] != 0)
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{
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if (_stricmp(token, "LOAD") == 0)
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{
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command.Type = TITLE_SCRIPT_LOAD;
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command.SaveIndex = UINT8_MAX;
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for (size_t i = 0; i < saves.size(); i++)
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{
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if (String::Equals(part1, saves[i], true))
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{
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command.SaveIndex = (uint8)i;
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break;
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}
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}
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}
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else if (_stricmp(token, "LOCATION") == 0)
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{
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command.Type = TITLE_SCRIPT_LOCATION;
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command.X = atoi(part1) & 0xFF;
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command.Y = atoi(part2) & 0xFF;
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}
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else if (_stricmp(token, "ROTATE") == 0)
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{
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command.Type = TITLE_SCRIPT_ROTATE;
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command.Rotations = atoi(part1) & 0xFF;
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}
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else if (_stricmp(token, "ZOOM") == 0)
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{
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command.Type = TITLE_SCRIPT_ZOOM;
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command.Zoom = atoi(part1) & 0xFF;
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}
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else if (_stricmp(token, "SPEED") == 0)
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{
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command.Type = TITLE_SCRIPT_SPEED;
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command.Speed = Math::Max(1, Math::Min(4, atoi(part1) & 0xFF));
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}
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else if (_stricmp(token, "WAIT") == 0)
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{
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command.Type = TITLE_SCRIPT_WAIT;
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command.Seconds = atoi(part1) & 0xFF;
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}
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else if (_stricmp(token, "RESTART") == 0)
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{
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command.Type = TITLE_SCRIPT_RESTART;
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}
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else if (_stricmp(token, "END") == 0)
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{
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command.Type = TITLE_SCRIPT_END;
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}
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else if (_stricmp(token, "LOADMM") == 0)
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{
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command.Type = TITLE_SCRIPT_LOADMM;
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}
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else if (_stricmp(token, "LOADRCT1") == 0)
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{
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command.Type = TITLE_SCRIPT_LOADRCT1;
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command.SaveIndex = atoi(part1) & 0xFF;
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}
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}
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if (command.Type != TITLE_SCRIPT_UNDEFINED)
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{
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commands.push_back(command);
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}
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} while (SDL_RWtell(file) < (int)scriptLength);
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SDL_RWclose(file);
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return commands;
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}
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static void LegacyScriptGetLine(SDL_RWops * file, char * parts)
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{
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for (int i = 0; i < 3; i++)
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{
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parts[i * 128] = 0;
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}
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int part = 0;
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int cindex = 0;
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int whitespace = 1;
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int comment = 0;
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int load = 0;
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for (; part < 3;)
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{
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int c = 0;
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if (SDL_RWread(file, &c, 1, 1) != 1)
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{
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c = EOF;
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}
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if (c == '\n' || c == '\r' || c == EOF)
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{
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parts[part * 128 + cindex] = 0;
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return;
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}
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else if (c == '#')
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{
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parts[part * 128 + cindex] = 0;
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comment = 1;
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}
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else if (c == ' ' && !comment && !load)
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{
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if (!whitespace)
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{
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if (part == 0 && cindex == 4 && _strnicmp(parts, "LOAD", 4) == 0)
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{
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load = true;
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}
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parts[part * 128 + cindex] = 0;
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part++;
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cindex = 0;
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}
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}
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else if (!comment)
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{
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whitespace = 0;
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if (cindex < 127)
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{
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parts[part * 128 + cindex] = c;
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cindex++;
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}
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else
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{
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parts[part * 128 + cindex] = 0;
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part++;
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cindex = 0;
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}
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}
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}
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}
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static void * ReadScriptFile(const utf8 * path, size_t * outSize)
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{
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void * buffer = nullptr;
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size_t size = 0;
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try
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{
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auto fs = FileStream(path, FILE_MODE_OPEN);
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size = (size_t)fs.GetLength();
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buffer = Memory::Allocate<void>(size);
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fs.Read(buffer, size);
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}
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catch (Exception)
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{
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Memory::Free(buffer);
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buffer = nullptr;
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size = 0;
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}
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*outSize = size;
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return buffer;
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}
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static utf8 * LegacyScriptWrite(TitleSequence * seq)
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{
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utf8 buffer[128];
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auto sb = StringBuilder(128);
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sb.Append("# SCRIPT FOR ");
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sb.Append(seq->Name);
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sb.Append("\n");
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for (size_t i = 0; i < seq->NumCommands; i++)
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{
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const TitleCommand * command = &seq->Commands[i];
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switch (command->Type) {
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case TITLE_SCRIPT_LOAD:
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if (command->SaveIndex == 0xFF)
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{
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sb.Append("LOAD <No save file>");
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} else
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{
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sb.Append("LOAD ");
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sb.Append(seq->Saves[command->SaveIndex]);
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}
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break;
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case TITLE_SCRIPT_LOCATION:
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String::Format(buffer, sizeof(buffer), "LOCATION %u %u", command->X, command->Y);
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sb.Append(buffer);
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break;
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case TITLE_SCRIPT_ROTATE:
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String::Format(buffer, sizeof(buffer), "ROTATE %u", command->Rotations);
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sb.Append(buffer);
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break;
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case TITLE_SCRIPT_ZOOM:
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String::Format(buffer, sizeof(buffer), "ZOOM %u", command->Zoom);
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sb.Append(buffer);
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break;
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case TITLE_SCRIPT_SPEED:
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String::Format(buffer, sizeof(buffer), "SPEED %u", command->Speed);
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sb.Append(buffer);
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break;
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case TITLE_SCRIPT_WAIT:
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String::Format(buffer, sizeof(buffer), "WAIT %u", command->Seconds);
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sb.Append(buffer);
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case TITLE_SCRIPT_RESTART:
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sb.Append("RESTART");
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break;
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case TITLE_SCRIPT_END:
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sb.Append("END");
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}
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sb.Append("\n");
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}
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utf8 * result = sb.StealString();
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return result;
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}
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bool TitleSequenceIsLoadCommand(const TitleCommand * command)
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{
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switch (command->Type) {
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case TITLE_SCRIPT_LOADMM:
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case TITLE_SCRIPT_LOAD:
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case TITLE_SCRIPT_LOADRCT1:
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return true;
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default:
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return false;
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}
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}
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