GuiSlot.java 文件源码

/**
 * Draws the selection box around the selected slot element.
 */
protected void drawSelectionBox(int p_148120_1_, int p_148120_2_, int mouseXIn, int mouseYIn)
{
    int i = this.getSize();
    Tessellator tessellator = Tessellator.getInstance();
    WorldRenderer worldrenderer = tessellator.getWorldRenderer();

    for (int j = 0; j < i; ++j)
    {
        int k = p_148120_2_ + j * this.slotHeight + this.headerPadding;
        int l = this.slotHeight - 4;

        if (k > this.bottom || k + l < this.top)
        {
            this.func_178040_a(j, p_148120_1_, k);
        }

        if (this.showSelectionBox && this.isSelected(j))
        {
            int i1 = this.left + (this.width / 2 - this.getListWidth() / 2);
            int j1 = this.left + this.width / 2 + this.getListWidth() / 2;
            GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
            GlStateManager.disableTexture2D();
            worldrenderer.begin(7, DefaultVertexFormats.POSITION_TEX_COLOR);
            worldrenderer.pos((double)i1, (double)(k + l + 2), 0.0D).tex(0.0D, 1.0D).color(128, 128, 128, 255).endVertex();
            worldrenderer.pos((double)j1, (double)(k + l + 2), 0.0D).tex(1.0D, 1.0D).color(128, 128, 128, 255).endVertex();
            worldrenderer.pos((double)j1, (double)(k - 2), 0.0D).tex(1.0D, 0.0D).color(128, 128, 128, 255).endVertex();
            worldrenderer.pos((double)i1, (double)(k - 2), 0.0D).tex(0.0D, 0.0D).color(128, 128, 128, 255).endVertex();
            worldrenderer.pos((double)(i1 + 1), (double)(k + l + 1), 0.0D).tex(0.0D, 1.0D).color(0, 0, 0, 255).endVertex();
            worldrenderer.pos((double)(j1 - 1), (double)(k + l + 1), 0.0D).tex(1.0D, 1.0D).color(0, 0, 0, 255).endVertex();
            worldrenderer.pos((double)(j1 - 1), (double)(k - 1), 0.0D).tex(1.0D, 0.0D).color(0, 0, 0, 255).endVertex();
            worldrenderer.pos((double)(i1 + 1), (double)(k - 1), 0.0D).tex(0.0D, 0.0D).color(0, 0, 0, 255).endVertex();
            tessellator.draw();
            GlStateManager.enableTexture2D();
        }

        this.drawSlot(j, p_148120_1_, k, l, mouseXIn, mouseYIn);
    }
}