DebugRenderer.java 文件源码

public static void renderDebugText(String str, double x, double y, double z, float partialTicks, int color)
{
    Minecraft minecraft = Minecraft.getMinecraft();

    if (minecraft.thePlayer != null && minecraft.getRenderManager() != null && minecraft.getRenderManager().options != null)
    {
        FontRenderer fontrenderer = minecraft.fontRendererObj;
        EntityPlayer entityplayer = minecraft.thePlayer;
        double d0 = entityplayer.lastTickPosX + (entityplayer.posX - entityplayer.lastTickPosX) * (double)partialTicks;
        double d1 = entityplayer.lastTickPosY + (entityplayer.posY - entityplayer.lastTickPosY) * (double)partialTicks;
        double d2 = entityplayer.lastTickPosZ + (entityplayer.posZ - entityplayer.lastTickPosZ) * (double)partialTicks;
        GlStateManager.pushMatrix();
        GlStateManager.translate((float)(x - d0), (float)(y - d1) + 0.07F, (float)(z - d2));
        GlStateManager.glNormal3f(0.0F, 1.0F, 0.0F);
        GlStateManager.scale(0.02F, -0.02F, 0.02F);
        RenderManager rendermanager = minecraft.getRenderManager();
        GlStateManager.rotate(-rendermanager.playerViewY, 0.0F, 1.0F, 0.0F);
        GlStateManager.rotate((float)(rendermanager.options.thirdPersonView == 2 ? 1 : -1) * rendermanager.playerViewX, 1.0F, 0.0F, 0.0F);
        GlStateManager.disableLighting();
        GlStateManager.enableTexture2D();
        GlStateManager.enableDepth();
        GlStateManager.depthMask(true);
        GlStateManager.scale(-1.0F, 1.0F, 1.0F);
        fontrenderer.drawString(str, -fontrenderer.getStringWidth(str) / 2, 0, color);
        GlStateManager.enableLighting();
        GlStateManager.color(1.0F, 1.0F, 1.0F, 1.0F);
        GlStateManager.popMatrix();
    }
}