Fix inconsistencies in guest nick name generation When the setting net/nick is empty, HW generates a guest name. But there were several problems: - Team name did not match guest name - Random guest number was re-rolled multiple times, causing inconsistencies - Guest number was often too large (now capped at 99999)

#ifdef GL_ES
precision mediump float;
#endif

attribute vec2 vertex;
attribute vec2 texcoord;
attribute vec4 colors;

varying vec2 tex;

uniform mat4 mvp;

void main()
{
    vec4 p = mvp * vec4(vertex, 0.0, 1.0);
    gl_Position = p;
    tex = texcoord;
}