Alright. I have my code which was built for 1.8. When I updated to 1.8.9 I was left with two errors. The lines that caused the errors were:
WorldRenderer renderer = tessellator.getWorldRenderer();
renderer.putNormal(faceNormal.x, faceNormal.y, faceNormal.z);
VertexBuffer buffer = new VertexBuffer(renderer.getVertexFormat());
renderer.addVertexWithUV(vertices[i].x, vertices[i].y, vertices[i].z, textureCoordinates[i].u + offsetU, textureCoordinates[i].v + offsetV);
I've noticed that 'addVertexWithUV' doesn't exist anymore. How can I replace that line and ensure my renderer works? I'm trying to render OBJ models.