1 files changed, 48 insertions, 0 deletions
diff --git a/Runtime/GUI/UILine.cpp b/Runtime/GUI/UILine.cpp
new file mode 100644
index 0000000..8db681e
--- /dev/null
+++ b/Runtime/GUI/UILine.cpp
@@ -0,0 +1,48 @@
+#include "UILine.h"
+
+struct UILineLayout
+{
+	Vector2 position;
+};
+
+static CustomVertexLayout layout;
+
+InitializeStaticVariables([]() {
+	VertexAttributeDescriptor POSITION = VertexAttributeDescriptor(0, 2, VertexAttrFormat_Float, sizeof(UILineLayout));
+
+	layout.attributes.push_back(POSITION);
+});
+
+void UILine::Draw()
+{
+	const int nVerts = 2;
+	const int nIndices = 2;
+
+	float pos[] = {
+		m_From.x, m_From.y,
+		m_To.x, m_To.y,
+	};
+
+	uint16 indices[] = {
+		0, 1
+	};
+
+
+	uint8* vb;
+	uint16* ib;
+
+	g_SharedVBO.GetChunk(sizeof(UILineLayout), sizeof(uint16), nVerts, nIndices, Primitive_Line, (void**)&vb, (void**)&ib);
+
+	UILineLayout* dst = (UILineLayout*)vb;
+
+	for (int i = 0; i < nVerts; ++i)
+	{
+		dst[i].position.Set(pos[2 * i], pos[2 * i + 1]);
+	}
+
+	for (int i = 0; i < nIndices; ++i)
+		ib[i] = indices[i];
+
+	g_SharedVBO.ReleaseChunk(nVerts, nIndices);
+	g_SharedVBO.DrawChunk(layout);
+}
+\ No newline at end of file