Improve exception safety with smart pointers

[elfring]

Would you like to wrap any pointers with the class template “std::unique_ptr”?

Update candidates:

• JoltPhysics/Jolt/Renderer/DebugRendererPlayback.cpp

  Lines 49 to 61 in cb2cbee

  	DebugRenderer::Vertex *vertices = new DebugRenderer::Vertex [vertex_count];
  	inStream.ReadBytes(vertices, vertex_count * sizeof(DebugRenderer::Vertex));
  	uint32 index_count;
  	inStream.Read(index_count);
  	uint32 *indices = new uint32 [index_count];
  	inStream.ReadBytes(indices, index_count * sizeof(uint32));
  	mBatches.insert({ id, mRenderer.CreateTriangleBatch(vertices, vertex_count, indices, index_count) });
  	delete [] indices;
  	delete [] vertices;

• JoltPhysics/TestFramework/Image/LoadTGA.cpp

  Lines 79 to 103 in cb2cbee

  	uint8 *palette = new uint8 [pal_bytes];
  	inStream.read((char *)palette, pal_bytes);
  	loaded = loaded && !inStream.fail();
  	// Convert pixel data to a surface
  	surface = new SoftwareSurface(header.mWidth, header.mHeight, format);
  	surface->Lock(ESurfaceLockMode::Write);
  	uint8 *scan_line = new uint8 [scan_width];
  	for (int y = header.mHeight - 1; y >= 0; --y)
  	{
  	// Load one scan line
  	inStream.read((char *)scan_line, scan_width);
  	loaded = loaded && !inStream.fail();
  	// Copy one scan line
  	uint8 *in_pixel = scan_line;
  	uint8 *out_pixel = (uint8 *)surface->GetScanLine(y);
  	for (int x = 0; x < header.mWidth; ++x, ++in_pixel, out_pixel += pixel_size)
  	memcpy(out_pixel, palette + (*in_pixel - header.mColorMapFirstEntryIndex) * pixel_size, pixel_size);
  	}
  	surface->UnLock();
  	// Release temporaries
  	delete [] palette;
  	delete [] scan_line;