Separate rendering into its own module

src/main/java/com/replaymod/render/capturer/StereoscopicOpenGlFrameCapturer.java

@@ -0,0 +1,29 @@
+package com.replaymod.render.capturer;
+
+import com.replaymod.render.frame.OpenGlFrame;
+import com.replaymod.render.frame.StereoscopicOpenGlFrame;
+
+public class StereoscopicOpenGlFrameCapturer
+        extends OpenGlFrameCapturer<StereoscopicOpenGlFrame, StereoscopicOpenGlFrameCapturer.Data> {
+    public enum Data implements CaptureData {
+        LEFT_EYE, RIGHT_EYE
+    }
+
+    public StereoscopicOpenGlFrameCapturer(WorldRenderer worldRenderer, RenderInfo renderInfo) {
+        super(worldRenderer, renderInfo);
+    }
+
+    @Override
+    protected int getFrameWidth() {
+        return super.getFrameWidth() / 2;
+    }
+
+    @Override
+    public StereoscopicOpenGlFrame process() {
+        float partialTicks = renderInfo.updateForNextFrame();
+        int frameId = framesDone++;
+        OpenGlFrame left = renderFrame(frameId, partialTicks, Data.LEFT_EYE);
+        OpenGlFrame right = renderFrame(frameId, partialTicks, Data.RIGHT_EYE);
+        return new StereoscopicOpenGlFrame(left, right);
+    }
+}