Add file structure to code

- Rename project to CopiumEngine

CopiumEngine/src/copium/buffer/IndexBuffer.cpp

@@ -0,0 +1,23 @@
+#include "copium/buffer/IndexBuffer.h"
+
+#include "copium/buffer/CommandBuffer.h"
+
+#include <vulkan/vulkan.hpp>
+
+namespace Copium
+{
+  IndexBuffer::IndexBuffer(Instance& instance, int indexCount)
+    : Buffer{instance, VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_INDEX_BUFFER_BIT, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT, indexCount * sizeof(uint16_t), 1}, 
+      indexCount{indexCount}
+  {}
+
+  void IndexBuffer::Bind(const CommandBuffer& commandBuffer)
+  {
+    vkCmdBindIndexBuffer(commandBuffer, handle, 0, VK_INDEX_TYPE_UINT16);
+  }
+
+  void IndexBuffer::Draw(const CommandBuffer& commandBuffer)
+  {
+    vkCmdDrawIndexed(commandBuffer, indexCount, 1, 0, 0, 0);
+  }
+}