GuiScreen.java 文件源码

/**
 * Draws the background (i is always 0 as of 1.2.2)
 */
public void drawBackground(int tint)
{
    GlStateManager.disableLighting();
    GlStateManager.disableFog();
    Tessellator tessellator = Tessellator.getInstance();
    VertexBuffer vertexbuffer = tessellator.getBuffer();
    this.mc.getTextureManager().bindTexture(OPTIONS_BACKGROUND);
    GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
    float f = 32.0F;
    vertexbuffer.begin(7, DefaultVertexFormats.POSITION_TEX_COLOR);
    vertexbuffer.pos(0.0D, (double)this.height, 0.0D).tex(0.0D, (double)((float)this.height / 32.0F + (float)tint)).color(64, 64, 64, 255).endVertex();
    vertexbuffer.pos((double)this.width, (double)this.height, 0.0D).tex((double)((float)this.width / 32.0F), (double)((float)this.height / 32.0F + (float)tint)).color(64, 64, 64, 255).endVertex();
    vertexbuffer.pos((double)this.width, 0.0D, 0.0D).tex((double)((float)this.width / 32.0F), (double)tint).color(64, 64, 64, 255).endVertex();
    vertexbuffer.pos(0.0D, 0.0D, 0.0D).tex(0.0D, (double)tint).color(64, 64, 64, 255).endVertex();
    tessellator.draw();
}