PowerOverlayRender.java 文件源码

private void drawIconVectors(double x, double y, double z, TextureManager tm, PowerOverlayData overlay) {
  if (overlay == null || overlay.pos == null || overlay.power < 1) {
    return;
  }
  VertexBuffer vb;
  tm.bindTexture(ICONS_TEXTURE);
  vb = Tessellator.getInstance().getBuffer();
  vb.begin(GL11.GL_QUADS, DefaultVertexFormats.POSITION_TEX_COLOR);
  vb.setTranslation(-x, -y, -z);

  if (overlay.power > 0) {
    renderVectors(vb, overlay.pos, TEXTURE_OFFSETS[0],
        overlay.strongPowered ? TEXTURE_OFFSETS[0] : TEXTURE_OFFSETS[1]);
  }
  vb.setTranslation(0, 0, 0);
  Tessellator.getInstance().draw();
}