FUCK FUCK FUCK

RenderPortal

WorldServer worldServer = DimensionManager.getWorld(dim);
if (worldServer == null) {
    DimensionManager.initDimension(dim);
    worldServer = DimensionManager.getWorld(dim);
}
if (dim != dimRendering) {
    dimRendering = dim;
    privRG.setWorldAndLoadRenderers(Minecraft.getMinecraft().theWorld);
}
System.out.println("render " + MinecraftForgeClient.getRenderPass());
Minecraft mc = Minecraft.getMinecraft();
GL11.glStencilMask(~0);
GL11.glDisable(GL11.GL_SCISSOR_TEST);
GL11.glClearStencil(0);
GL11.glClear(GL11.GL_STENCIL_BUFFER_BIT);
GL11.glColorMask(false, false, false, false);
GL11.glDepthMask(false);
GL11.glDisable(GL11.GL_DEPTH_TEST);
GL11.glEnable(GL11.GL_STENCIL_TEST);
GL11.glStencilFunc(GL11.GL_NEVER, 0, 0xFF);
GL11.glStencilOp(GL11.GL_INCR, GL11.GL_KEEP, GL11.GL_KEEP);
GL11.glStencilMask(0xFF);
this.drawPortal(portal);
GL11.glColorMask(true, true, true, true);
GL11.glDepthMask(true);
//GL11.glClear(GL11.GL_DEPTH_BUFFER_BIT);
GL11.glEnable(GL11.GL_DEPTH_TEST);
GL11.glEnable(GL11.GL_STENCIL_TEST);
GL11.glStencilMask(0);
GL11.glStencilFunc(GL11.GL_EQUAL, 1, 0xFF);
EntityLiving fakeEntity = new FakePlayer(mc.theWorld, "ModName-Camera");
fakeEntity.setLocationAndAngles(x, y, z, (float) 180, (float) mc.thePlayer.rotationPitch);
fakeEntity.prevRotationYaw = 180;
fakeEntity.prevRotationPitch = mc.thePlayer.prevRotationPitch;
EntityLiving oldView = mc.renderViewEntity;
mc.renderViewEntity = fakeEntity;
RenderGlobal oldRG = mc.renderGlobal;
mc.renderGlobal = privRG;
mc.entityRenderer.renderWorld(partial, 0L);
mc.renderGlobal = oldRG;
mc.renderViewEntity = oldView;
GL11.glStencilFunc(GL11.GL_ALWAYS, 0, 0xFF);