Fixes

2025-10-10 13:30:29 +05:30
parent 96bad30f15
commit 8afe023901
471 changed files with 137902 additions and 210 deletions
--- a/Engine/Src/Imp/CPP/Utils.cpp
+++ b/Engine/Src/Imp/CPP/Utils.cpp
@ -0,0 +1,61 @@
+// IAEngine: 2D Game Engine by IA
+// Copyright (C) 2025 IASoft (PVT) LTD (oss@iasoft.dev)
+//
+// 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 3 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.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+#include <IAEngine/Utils.hpp>
+
+#include <zlib.h>
+
+namespace ia::iae
+{
+    Vector<UINT8> Utils::Inflate(IN PCUINT8 data, IN SIZE_T dataSize)
+    {
+        STATIC UINT8 TMP_BUFFER[16384];
+        Vector<UINT8> result;
+        result.reserve(ia_min((SIZE_T)(dataSize * 3), sizeof(TMP_BUFFER)));
+        z_stream stream;
+        stream.zalloc = Z_NULL;
+        stream.zfree = Z_NULL;
+        stream.opaque = Z_NULL;
+        stream.avail_in = 0;
+        stream.next_in = Z_NULL;
+        if (inflateInit(&stream) != Z_OK)
+            THROW_UNKNOWN("Inflate failed: init zlib inflate");
+        stream.avail_in = dataSize;
+        stream.next_in = (Bytef *) data;
+        while (true) {
+            stream.avail_out = sizeof(TMP_BUFFER);
+            stream.next_out = TMP_BUFFER;
+            const auto r = inflate(&stream, Z_SYNC_FLUSH);
+            result.insert(result.end(), sizeof(TMP_BUFFER) - stream.avail_out, TMP_BUFFER);
+            if (r == Z_STREAM_END)
+                break;
+            else if (r != Z_OK)
+                THROW_INVALID_DATA("Inflate failed: zlib inflation");
+        }
+        inflateEnd(&stream);
+        return result;
+    }
+
+    Vector<UINT8> Utils::Deflate(IN PCUINT8 data, IN SIZE_T dataSize)
+    {
+        Vector<UINT8> result;
+        auto deflateBound = compressBound(dataSize);
+        result.resize(deflateBound);
+        compress(result.data(), &deflateBound, data, dataSize);
+        result.resize(deflateBound);
+        return result;
+    }
+} // namespace ia::iae