// Writes Ghidra's pseudo-C for every function to <outdir>/<addr>.c (a starting point for decompiling).
// Usage: analyzeHeadless <proj> <name> -import eqgame.exe -postScript ExportDecomp.java <outdir>
import ghidra.app.decompiler.*;
import ghidra.app.script.GhidraScript;
import ghidra.program.model.listing.*;
import java.io.*;

public class ExportDecomp extends GhidraScript {
    @Override
    public void run() throws Exception {
        File dir = new File(getScriptArgs()[0]);
        dir.mkdirs();
        DecompInterface di = new DecompInterface();
        di.openProgram(currentProgram);
        int n = 0;
        for (Function f : currentProgram.getFunctionManager().getFunctions(true)) {
            if (monitor.isCancelled()) break;
            if (f.isExternal() || f.isThunk()) continue;
            File out = new File(dir, String.format("%08x.c", f.getEntryPoint().getOffset()));
            if (out.exists()) continue;
            DecompileResults r = di.decompileFunction(f, 60, monitor);
            String c = r.decompileCompleted() ? r.getDecompiledFunction().getC() : "// decompile failed: " + r.getErrorMessage() + "\n";
            try (PrintWriter w = new PrintWriter(new FileWriter(out))) { w.print(c); }
            if (++n % 500 == 0) println("decompiled " + n);
        }
        di.dispose();
    }
}