Dump a few iw4 assets

src/ObjWriting/Game/IW4/AssetDumpers/AssetDumperRawFile.cpp

@@ -0,0 +1,63 @@
+#include "AssetDumperRawFile.h"
+
+#include <zlib.h>
+
+using namespace IW4;
+
+bool AssetDumperRawFile::ShouldDump(RawFile* asset)
+{
+    return true;
+}
+
+std::string AssetDumperRawFile::GetFileNameForAsset(Zone* zone, RawFile* asset)
+{
+    return std::string(asset->name);
+}
+
+void AssetDumperRawFile::DumpAsset(Zone* zone, RawFile* asset, FileAPI::File* out)
+{
+    if (asset->compressedLen > 0)
+    {
+        z_stream_s zs{};
+
+        zs.zalloc = Z_NULL;
+        zs.zfree = Z_NULL;
+        zs.opaque = Z_NULL;
+        zs.avail_in = 0;
+        zs.next_in = Z_NULL;
+
+        int ret = inflateInit(&zs);
+
+        if (ret != Z_OK)
+        {
+            throw std::exception("Initializing inflate failed");
+        }
+
+        zs.next_in = reinterpret_cast<const Bytef*>(asset->data.compressedBuffer);
+        zs.avail_in = asset->compressedLen;
+
+        Bytef buffer[0x1000];
+
+        while(zs.avail_in > 0)
+        {
+            zs.next_out = buffer;
+            zs.avail_out = sizeof buffer;
+            ret = inflate(&zs, Z_SYNC_FLUSH);
+
+            if (ret < 0)
+            {
+                printf("Inflate failed for dumping rawfile '%s'\n", asset->name);
+                inflateEnd(&zs);
+                return;
+            }
+
+            out->Write(buffer, 1, sizeof buffer - zs.avail_out);
+        }
+
+        inflateEnd(&zs);
+    }
+    else if (asset->len > 0)
+    {
+        out->Write(asset->data.buffer, 1, asset->len);
+    }
+}