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merge.cpp
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merge.cpp
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/* merge.cpp
Copyright (C) 2008 by Gregory Smith
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 2 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.
This license is contained in the file "COPYING", which is included
with this source code; it is available online at
http://www.gnu.org/licenses/gpl.html
*/
/*
Merges files to create a scenario wadfile
*/
#include "merge.h"
#include "ferro/cstypes.h"
#include "ferro/macroman.h"
#include "ferro/Wad.h"
#include "ferro/ScriptChunk.h"
#include "ferro/TerminalChunk.h"
#include "ferro/Unimap.h"
#include "filesystem.h"
#include "CLUTResource.h"
#include "PICTResource.h"
#include "SndResource.h"
#include <iostream>
#include <map>
#include <sstream>
#include <string>
#include <boost/assign/list_of.hpp>
#include <boost/algorithm/string/case_conv.hpp>
using namespace atque;
namespace algo = boost::algorithm;
const std::vector<uint32> physics_chunks = boost::assign::list_of
(FOUR_CHARS_TO_INT('M','N','p','x'))
(FOUR_CHARS_TO_INT('F','X','p','x'))
(FOUR_CHARS_TO_INT('P','R','p','x'))
(FOUR_CHARS_TO_INT('P','X','p','x'))
(FOUR_CHARS_TO_INT('W','P','p','x'))
;
static std::vector<uint8> ReadFile(const std::string& path)
{
std::ifstream infile;
infile.open(path.c_str(), std::ios::binary);
infile.seekg(0, std::ios::end);
int length = infile.tellg();
infile.seekg(0, std::ios::beg);
std::vector<uint8> data(length);
infile.read(reinterpret_cast<char *>(&data[0]), data.size());
return data;
}
void MergePhysics(const fs::path& path, marathon::Wad& wad, std::ostream& log)
{
marathon::Unimap wadfile;
if (wadfile.Open(path.string()))
{
// check to make sure all physics are present
marathon::Wad physics = wadfile.GetWad(0);
for (std::vector<uint32>::const_iterator it = physics_chunks.begin(); it != physics_chunks.end(); ++it)
{
if (!physics.HasChunk(*it))
{
fs::path file = path.parent() / path.filename();
log << file.string() << " is not a valid physics model; skipping" << std::endl;
return;
}
}
for (std::vector<uint32>::const_iterator it = physics_chunks.begin(); it != physics_chunks.end(); ++it)
{
wad.AddChunk(*it, physics.GetChunk(*it));
}
}
}
void MergeShapes(const fs::path& path, marathon::Wad& wad, std::ostream& log)
{
const uint32 shapes_tag = FOUR_CHARS_TO_INT('S','h','P','a');
std::ifstream shapes(path.string().c_str(), std::ios::in | std::ios::binary);
shapes.seekg(0, std::ios::end);
uint32 length = shapes.tellg();
if (length <= 384 * 1024)
{
std::vector<uint8> shapes_buffer(length);
shapes.seekg(0);
shapes.read(reinterpret_cast<char*>(&shapes_buffer[0]), shapes_buffer.size());
wad.AddChunk(shapes_tag, shapes_buffer);
}
else
{
fs::path file = path.parent() / path.filename();
log << file.string() << " is larger than 384K; skipping" << std::endl;
}
}
void MergeTerminal(const fs::path& path, marathon::Wad& wad, std::ostream& log)
{
try
{
marathon::TerminalChunk chunk;
chunk.Compile(path.string());
wad.AddChunk(marathon::TerminalChunk::kTag, chunk.Save());
}
catch (const marathon::TerminalChunk::ParseError& e)
{
fs::path file = path.parent() / path.filename();
log << file.string() << ": " << e.what() << "; skipping" << std::endl;
}
}
void MergeScripts(const std::vector<fs::path> paths, marathon::Wad& wad, uint32 tag)
{
marathon::ScriptChunk chunk;
for (std::vector<fs::path>::const_iterator it = paths.begin(); it != paths.end(); ++it)
{
marathon::ScriptChunk::Script script;
script.name = fs::basename(it->filename());
script.data = ReadFile(it->string());
chunk.AddScript(script);
}
wad.AddChunk(tag, chunk.Save());
}
struct SortScriptPaths
{
bool operator() (const fs::path& a, const fs::path& b) {
std::string as = a.string();
std::string bs = b.string();
algo::to_lower(as);
algo::to_lower(bs);
return as < bs;
}
};
marathon::Wad CreateWad(const fs::path& path, std::ostream& log)
{
marathon::Wad wad;
std::vector<fs::path> maps;
std::vector<fs::path> physics;
std::vector<fs::path> shapes;
std::vector<fs::path> terminals;
std::vector<fs::path> luas;
std::vector<fs::path> mmls;
std::vector<fs::path> dir = path.ls();
for (std::vector<fs::path>::iterator it = dir.begin(); it != dir.end(); ++it)
{
if (it->filename()[0] == '.')
{
continue;
}
std::string extension = fs::extension(it->filename());
if (extension == ".sceA")
maps.push_back(*it);
else if (extension == ".phyA")
physics.push_back(*it);
else if (extension == ".ShPa")
shapes.push_back(*it);
else if (extension == ".txt")
terminals.push_back(*it);
else if (extension == ".lua")
luas.push_back(*it);
else if (extension == ".mml")
mmls.push_back(*it);
}
if (maps.size())
{
if (maps.size() > 1)
log << path.string() << ": multiple maps found; using " << maps[0].string() << std::endl;
marathon::Unimap wadfile;
if (wadfile.Open(maps[0].string()) && wadfile.data_version() == 1)
{
wad = wadfile.GetWad(0);
if (physics.size())
{
if (physics.size() > 1)
log << path.string() << ": multiple physics models found; using " << physics[0].string() << std::endl;
MergePhysics(physics[0], wad, log);
}
if (shapes.size())
{
if (shapes.size() > 1)
log << path.string() << ": multiple shapes patches found; using " << shapes[0].string() << std::endl;
MergeShapes(shapes[0], wad, log);
}
if (terminals.size())
{
if (terminals.size() > 1)
log << path.string() << ": multiple terminal texts files found; using " << terminals[0].string() << std::endl;
MergeTerminal(terminals[0], wad, log);
}
if (luas.size())
{
std::sort(luas.begin(), luas.end(), SortScriptPaths());
MergeScripts(luas, wad, marathon::ScriptChunk::kLuaTag);
}
if (mmls.size())
{
std::sort(mmls.begin(), mmls.end(), SortScriptPaths());
MergeScripts(mmls, wad, marathon::ScriptChunk::kMMLTag);
}
}
}
else
{
throw merge_error(path.string() + " does not contain a map");
}
return wad;
}
void MergeCLUTs(marathon::Unimap& wadfile, const fs::path& path)
{
std::vector<fs::path> dir = path.ls();
for (std::vector<fs::path>::iterator it = dir.begin(); it != dir.end(); ++it)
{
if (!it->is_directory())
{
std::istringstream s(it->filename());
int16 index;
s >> index;
if (!s.fail() && index >= 128)
{
CLUTResource clut;
if (clut.Import(it->string()))
{
wadfile.SetResource(FOUR_CHARS_TO_INT('c','l','u','t'), index, clut.Save());
}
}
}
}
}
void MergePICTs(marathon::Unimap& wadfile, const fs::path& path)
{
std::vector<fs::path> dir = path.ls();
for (std::vector<fs::path>::iterator it = dir.begin(); it != dir.end(); ++it)
{
if (!it->is_directory())
{
std::istringstream s(it->filename());
int16 index;
s >> index;
if (!s.fail() && index >= 128)
{
PICTResource pict;
if (pict.Import(it->string()))
{
wadfile.SetResource(FOUR_CHARS_TO_INT('P','I','C','T'), index, pict.Save());
}
}
}
}
}
void MergeSnds(marathon::Unimap& wadfile, const fs::path& path)
{
std::vector<fs::path> dir = path.ls();
for (std::vector<fs::path>::iterator it = dir.begin(); it != dir.end(); ++it)
{
if (!it->is_directory())
{
std::istringstream s(it->filename());
int16 index;
s >> index;
if (!s.fail() && index >= 128)
{
SndResource snd;
if (snd.Import(it->string()))
{
wadfile.SetResource(FOUR_CHARS_TO_INT('s','n','d',' '), index, snd.Save());
}
}
}
}
}
void MergeTEXTs(marathon::Unimap& wadfile, const fs::path& path)
{
std::vector<fs::path> dir = path.ls();
for (std::vector<fs::path>::iterator it = dir.begin(); it != dir.end(); ++it)
{
if (!it->is_directory())
{
std::istringstream s(it->filename());
int16 index;
s >> index;
if (!s.fail() && index >= 128)
{
wadfile.SetResource(FOUR_CHARS_TO_INT('t','e','x','t'), index, ReadFile(it->string()));
}
}
}
}
void MergeResources(marathon::Unimap& wadfile, const fs::path& path)
{
std::vector<fs::path> dir = path.ls();
for (std::vector<fs::path>::iterator it = dir.begin(); it != dir.end(); ++it)
{
if (it->is_directory())
{
if (it->filename() == "TEXT")
{
MergeTEXTs(wadfile, *it);
}
else if (it->filename() == "CLUT")
{
MergeCLUTs(wadfile, *it);
}
else if (it->filename() == "PICT")
{
MergePICTs(wadfile, *it);
}
else if (it->filename() == "snd")
{
MergeSnds(wadfile, *it);
}
}
}
}
static std::string get_line(std::istream& stream)
{
std::string line;
char c;
stream.get(c);
while (!stream.eof() && c != '\n' && c != '\r')
{
if (c == '\r')
{
if (!stream.eof() && stream.peek() == '\n')
{
stream.ignore(1);
}
}
else if (c != '\n' && c != '\0')
{
line += c;
}
stream.get(c);
};
return line;
}
void atque::merge(const std::string& src, const std::string& dest, std::ostream& log)
{
if (!fs::exists(src))
{
throw merge_error(src + " does not exist");
}
else if (!fs::is_directory(src))
{
throw merge_error("source must be a directory");
}
marathon::Unimap wadfile;
fs::path level_select_path(src);
level_select_path = level_select_path / "Level Select Names.txt";
std::map<int16, std::string> level_select_names;
if (level_select_path.exists())
{
std::ifstream s(level_select_path.string().c_str());
while (!s.eof() && !s.fail())
{
int16 index;
s >> index;
if (!s.fail())
{
s.ignore();
level_select_names[index] = get_line(s);
}
}
}
std::vector<fs::path> dir = fs::path(src).ls();
for (std::vector<fs::path>::iterator it = dir.begin(); it != dir.end(); ++it)
{
if (it->is_directory())
{
if (it->filename() == "Resources")
{
MergeResources(wadfile, *it);
}
else
{
std::istringstream s(it->filename());
int16 index;
s >> index;
if (!s.fail())
{
while (!s.fail() && s.peek() == ' ')
s.get();
if (!s.fail())
{
std::string level_name;
std::getline(s, level_name);
wadfile.SetWad(index, CreateWad(*it, log));
}
}
}
}
}
for (std::map<int16, std::string>::iterator it = level_select_names.begin(); it != level_select_names.end(); ++it)
{
if (wadfile.HasWad(it->first))
{
wadfile.SetLevelName(it->first, utf8_to_mac_roman(it->second));
}
}
wadfile.file_name(fs::basename(fs::path(dest).filename()));
wadfile.Save(dest);
}