GuiHelper.java 文件源码

/**
 * Draws a transparent item in the slot
 *
 * @param itemStack  item to draw
 * @param x          slot x
 * @param y          slot y
 * @param renderItem Item Render
 */
public void drawItemStack(ItemStack itemStack, int x, int y, RenderItem renderItem, boolean transparent) {
    this.zLevel = 50.0f;
    renderItem.zLevel = 50.0f;

    GL11.glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
    int colorOverlay = new Color(139, 139, 139, 160).hashCode();

    RenderHelper.enableGUIStandardItemLighting();
    renderItem.renderItemAndEffectIntoGUI(itemStack, x, y);

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

    GlStateManager.disableDepth();
    GlStateManager.colorMask(true, true, true, false);
    if (transparent) {
        this.zLevel = 100.0f;
        renderItem.zLevel = 100.0f;
        this.drawGradientRect(x, y, x + 16, y + 16, colorOverlay, colorOverlay);
    }
    GlStateManager.colorMask(true, true, true, true);
    GlStateManager.enableDepth();

    GL11.glColor4f(1.0f, 1.0f, 1.0f, 1.0f);

    this.zLevel = 0.0f;
    renderItem.zLevel = 0.0f;
}