/// <summary>
/// Constructor.
/// </summary>
public GameScreen(ScreenManager screenManager) : base(screenManager)
{
if (!(Game.Machine.Rasterizer is MathboxRenderer mathboxRenderer))
{
throw new Exception();
}
MathboxRenderer = mathboxRenderer;
Alphanumerics = new AlphanumericsRenderer(this);
TransitionOnTime = TimeSpan.FromSeconds(1.5);
TransitionOffTime = TimeSpan.FromSeconds(0.5);
PauseAction = new InputAction(
new Buttons[] { Buttons.Start, Buttons.Back },
new Keys[] { Keys.Escape },
true);
}
public ObjectRenderer(MathboxRenderer mathboxRenderer)
{
Parent = mathboxRenderer;
DisplayListManager = Parent.DisplayListManager;
Memory = Parent.Memory;
#if WIDESCREEN_STARS
// load 123 stars from ROM starfield
byte[] table = Parent.Machine.Mathbox.ROM[2];
for (int n = 0; n < 123; n++)
{
int addr = 0x3140 + n * 8;
Int16 x = (Int16)(table[addr & 0x1FFF] * 256 + table[(addr + 1) & 0x1FFF]); addr += 2;
Int16 y = (Int16)(table[addr & 0x1FFF] * 256 + table[(addr + 1) & 0x1FFF]); addr += 2;
Int16 z = (Int16)(table[addr & 0x1FFF] * 256 + table[(addr + 1) & 0x1FFF]); addr += 2;
Stars[n] = new Vector3(x, y, z);
}
// fill in the blanks with some more random stars
PRNG r = new PRNG(0xDEAD);
for (int n = 123; n < Stars.Length;)
{
const int size = 10000;
double theta = 2 * Math.PI * r.NextDouble;
double phi = Math.Acos(1 - 2 * r.NextDouble);
double x = size * Math.Sin(phi) * Math.Cos(theta);
double y = size * Math.Sin(phi) * Math.Sin(theta);
double z = size * Math.Abs(Math.Cos(phi));
if (x < -3000 || x > 3500)
{
Vector3 v = new Vector3((float)x, (float)y, (float)z);
v.Normalize();
v *= 10000;
Stars[n++] = v;
}
}
#endif
}
public DisplayList(MathboxRenderer mathboxRenderer)
{
Primitives = new Primitive(mathboxRenderer);
}
public Manager(MathboxRenderer mathboxRenderer)
{
MathboxRenderer = mathboxRenderer;
Pool = new ResourcePool(mathboxRenderer);
WIP = Pool.Get();
}
public ResourcePool(MathboxRenderer mathboxRenderer)
{
MathboxRenderer = mathboxRenderer;
}
public Primitive(MathboxRenderer mathboxRenderer)
{
MathboxRenderer = mathboxRenderer;
VertexBuffer = new VertexBuffer(mathboxRenderer.Game.GraphicsDevice, typeof(VertexPositionColor), MaxVertices, BufferUsage.WriteOnly);
}
public TerrainRenderer(MathboxRenderer mathboxRenderer)
{
Parent = mathboxRenderer;
Memory = Parent.Memory;
DisplayListManager = Parent.DisplayListManager;
}
