a_dinosaur/tmx2gba
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first pass at splitting writer logic

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a dinosaur
2024-03-21 06:54:24 +11:00
parent db1de4ba8e
commit 17de8ac3ec
5 changed files with 256 additions and 107 deletions
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137
src/tmx2gba.cpp
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@@ -4,10 +4,10 @@
#include "tmxreader.hpp"
#include "tmxlayer.hpp"
#include "tmxobject.hpp"
#include "headerwriter.hpp"
#include "swriter.hpp"
#include <iostream>
#include <fstream>
#include <map>
#include <cstdint>
#include <algorithm>
@@ -118,44 +118,6 @@ bool ParseArgs(int argc, char** argv, Arguments& params)
}
template <typename T> constexpr const char* DatType();
template <> constexpr const char* DatType<uint8_t>() { return ".byte"; }
template <> constexpr const char* DatType<uint16_t>() { return ".hword"; }
template <> constexpr const char* DatType<uint32_t>() { return ".word"; }
template <typename T>
void WriteArray(std::ofstream& aOut, const std::vector<T>& aDat, int aPerCol = 16)
{
int col = 0;
aOut.setf(std::ios::hex, std::ios::basefield);
aOut.setf(std::ios::showbase);
size_t i = 0;
for (T element : aDat)
{
if (col == 0)
aOut << "\t" << DatType<T>() << " ";
aOut << std::hex << (int)element;
if (i < aDat.size() - 1)
{
if (++col < aPerCol)
{
aOut << ",";
}
else
{
aOut << "" << std::endl;
col = 0;
}
}
++i;
}
}
int main(int argc, char** argv)
{
Arguments p;
@@ -182,7 +144,7 @@ int main(int argc, char** argv)
if (splitter == std::string::npos)
{
std::cerr << "Malformed mapping (missing a splitter)." << std::endl;
return -1;
return 1;
}
try
@@ -205,7 +167,7 @@ int main(int argc, char** argv)
if (!fin.is_open())
{
std::cerr << "Failed to open input file." << std::endl;
return -1;
return 1;
}
tmx.Open(fin);
@@ -213,7 +175,7 @@ int main(int argc, char** argv)
if (tmx.GetLayerCount() == 0)
{
std::cerr << "No layers found." << std::endl;
return -1;
return 1;
}
const TmxLayer* layerGfx = p.layer.empty()
? tmx.GetLayer(0)
@@ -228,33 +190,28 @@ int main(int argc, char** argv)
if (layerGfx == nullptr)
{
std::cerr << "Input layer not found." << std::endl;
return -1;
}
// Open output files
std::ofstream foutS(p.outPath + ".s");
std::ofstream foutH(p.outPath + ".h");
if (!foutS.is_open() || !foutH.is_open())
{
std::cerr << "Failed to create output file(s).";
return -1;
return 1;
}
// Get name from file
//TODO: properly sanitise
int slashPos = std::max((int)p.outPath.find_last_of('/'), (int)p.outPath.find_last_of('\\'));
std::string name = p.outPath;
if (slashPos != -1)
name = name.substr(slashPos + 1);
// Write header guards
std::string guard = "TMX2GBA_" + name;
for (auto& c: guard)
c = static_cast<char>(toupper(c));
foutH << "#ifndef " << guard << std::endl;
foutH << "#define " << guard << std::endl;
foutH << std::endl;
foutH << "#define " << name << "Width " << tmx.GetWidth() << std::endl;
foutH << "#define " << name << "Height " << tmx.GetHeight() << std::endl;
foutH << std::endl;
// Open output files
SWriter outS; HeaderWriter outH;
if (!outS.Open(p.outPath + ".s"))
{
std::cerr << "Failed to create output file \"" << p.outPath << ".s\".";
return 1;
}
if (!outH.Open(p.outPath + ".h", name))
{
std::cerr << "Failed to create output file \"" << p.outPath << ".h\".";
return 1;
}
// Convert to GBA-friendly charmap data
const uint32_t* gfxTiles = layerGfx->GetData();
@@ -285,29 +242,21 @@ int main(int argc, char** argv)
}
// Write out charmap
foutH << "#define " << name << "TilesLen " << charDat.size() * 2 << std::endl;
foutH << "extern const unsigned short " << name << "Tiles[" << charDat.size() << "];" << std::endl;
foutH << std::endl;
foutS << "\t.section .rodata" << std::endl;
foutS << "\t.align 2" << std::endl;
foutS << "\t.global " << name << "Tiles" << std::endl;
foutS << "\t.hidden " << name << "Tiles" << std::endl;
foutS << name << "Tiles" << ":" << std::endl;
WriteArray<uint16_t>(foutS, charDat);
foutS << std::endl;
outH.WriteSize(tmx.GetWidth(), tmx.GetHeight());
outH.WriteCharacterMap(charDat);
outS.WriteArray("Tiles", charDat);
// Convert collision map & write it out
if (layerCls != nullptr)
{
std::vector<uint8_t> vucCollisionDat;
vucCollisionDat.reserve(layerCls->GetWidth() * layerCls->GetHeight());
std::vector<uint8_t> collisionDat;
collisionDat.reserve(layerCls->GetWidth() * layerCls->GetHeight());
gfxTiles = layerCls->GetData();
for (int i = 0; i < layerCls->GetWidth() * layerCls->GetHeight(); ++i)
{
uint8_t ucTile = (uint8_t)tmx.LidFromGid((*gfxTiles++) & ~TmxLayer::FLIP_MASK);
vucCollisionDat.push_back(ucTile);
collisionDat.push_back(ucTile);
}
// Try to nicely append "_collision" to the output name
@@ -319,18 +268,8 @@ int main(int argc, char** argv)
path = p.outPath + "_collision";
// Write collision
foutH << "#define " << name << "CollisionLen " << vucCollisionDat.size() << std::endl;
foutH << "extern const unsigned char " << name << "Collision[" << vucCollisionDat.size() << "];" << std::endl;
foutH << std::endl;
foutS << std::endl;
foutS << "\t.section .rodata" << std::endl;
foutS << "\t.align 2" << std::endl;
foutS << "\t.global " << name << "Collision" << std::endl;
foutS << "\t.hidden " << name << "Collision" << std::endl;
foutS << name << "Collision" << ":" << std::endl;
WriteArray<uint8_t>(foutS, vucCollisionDat);
foutS << std::endl;
outH.WriteCollision(collisionDat);
outS.WriteArray("Collision", collisionDat);
}
if (!p.objMappings.empty())
@@ -351,25 +290,9 @@ int main(int argc, char** argv)
}
// Write objects
foutH << "#define " << name << "ObjCount " << objDat.size() / 3 << std::endl;
foutH << "#define " << name << "ObjdatLen " << objDat.size() * sizeof(int) << std::endl;
foutH << "extern const unsigned int " << name << "Objdat[" << objDat.size() << "];" << std::endl;
foutH << std::endl;
foutS << std::endl;
foutS << "\t.section .rodata" << std::endl;
foutS << "\t.align 2" << std::endl;
foutS << "\t.global " << name << "Objdat" << std::endl;
foutS << "\t.hidden " << name << "Objdat" << std::endl;
foutS << name << "Objdat" << ":" << std::endl;
WriteArray<uint32_t>(foutS, objDat);
foutS << std::endl;
outH.WriteObjects(objDat);
outS.WriteArray("Objdat", objDat);
}
foutH << "#endif//" << guard << std::endl;
foutH.close();
foutS.close();
return 0;
}