Rendering Entity Paths - Snazzy

private static void renderPath(EntityLiving entity) {
    PathEntity path = entity.getNavigator().getPath();
    if (path == null || path.getCurrentPathLength() == 0)
        return;
    double boxHalfSize = 0.2D;
    // int color = entity.name.hashCode() & 0xFFFFFF;
    int color = 0x0066FF;
    glPushMatrix();
    glDisable(GL_LIGHTING);
    glDisable(GL_TEXTURE_2D);
    glEnable(GL_BLEND);
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    double x1, y1, z1, x2, y2, z2;
    for (int i = 1; i < path.getCurrentPathLength(); i++) {
        PathPoint pp1 = path.getPathPointFromIndex(i);
        PathPoint pp2 = path.getPathPointFromIndex(i - 1);
        x1 = entity.posX - RenderManager.renderPosX + (pp1.xCoord - entity.posX + 0.5D);
        y1 = entity.posY - RenderManager.renderPosY + (pp1.yCoord - entity.posY + 0.02D);
        z1 = entity.posZ - RenderManager.renderPosZ + (pp1.zCoord - entity.posZ + 0.5D);
        x2 = entity.posX - RenderManager.renderPosX + (pp2.xCoord - entity.posX + 0.5D);
        y2 = entity.posY - RenderManager.renderPosY + (pp2.yCoord - entity.posY + 0.02D);
        z2 = entity.posZ - RenderManager.renderPosZ + (pp2.zCoord - entity.posZ + 0.5D);
        glColor4d(1D, 1D, 0D, 1D);
        glLineWidth(0.1F);
        glBegin(GL_LINES);
        glVertex3d(z1 != z2 ? x1 : x1 - x2 > 0 ? x1 - boxHalfSize : x1 + boxHalfSize, y1, x1 != x2 ? z1 : z1 - z2 > 0 ? z1 - boxHalfSize : z1 + boxHalfSize);
        glVertex3d(z1 != z2 ? x2 : x1 - x2 > 0 ? x2 + boxHalfSize : x2 - boxHalfSize, y2, x1 != x2 ? z2 : z1 - z2 > 0 ? z2 + boxHalfSize : z2 - boxHalfSize);
        glEnd();
        glColor4d((color >> 16 & 0xFF) / (float) 255, (color >> 8 & 0xFF) / (float) 255, (color & 0xFF) / (float) 255, 1D);
        glBegin(GL_QUADS);
        glVertex3d(x1 + boxHalfSize, y1, z1 + boxHalfSize);
        glVertex3d(x1 + boxHalfSize, y1, z1 - boxHalfSize);
        glVertex3d(x1 - boxHalfSize, y1, z1 - boxHalfSize);
        glVertex3d(x1 - boxHalfSize, y1, z1 + boxHalfSize);
        glEnd();
    }
    PathPoint pp1 = path.getPathPointFromIndex(0);
    x1 = entity.posX - RenderManager.renderPosX + (pp1.xCoord - entity.posX + 0.5D);
    y1 = entity.posY - RenderManager.renderPosY + (pp1.yCoord - entity.posY + 0.02D);
    z1 = entity.posZ - RenderManager.renderPosZ + (pp1.zCoord - entity.posZ + 0.5D);
    glLineWidth(1.1F);
    glBegin(GL_LINES);
    glVertex3d(x1 + boxHalfSize, y1, z1 + boxHalfSize);
    glVertex3d(x1 + boxHalfSize, y1, z1 - boxHalfSize);
    glVertex3d(x1 + boxHalfSize, y1, z1 + boxHalfSize);
    glVertex3d(x1 - boxHalfSize, y1, z1 + boxHalfSize);
    glVertex3d(x1 - boxHalfSize, y1, z1 - boxHalfSize);
    glVertex3d(x1 + boxHalfSize, y1, z1 - boxHalfSize);
    glVertex3d(x1 - boxHalfSize, y1, z1 - boxHalfSize);
    glVertex3d(x1 - boxHalfSize, y1, z1 + boxHalfSize);
    glEnd();
    glColor4d(1D, 1D, 1D, 1D);
    // End Draw
    glDisable(GL_BLEND);
    glEnable(GL_LIGHTING);
    glEnable(GL_TEXTURE_2D);
    glPopMatrix();
}