public InvaderRenderSettings(InvaderRenderSettings o)
{
minFrames = o.minFrames; maxFrames = o.maxFrames;
minLayers = o.minLayers; maxLayers = o.maxLayers;
minSize = o.minSize; maxSize = o.maxSize;
hueChange = o.hueChange;
minSatChange = o.minSatChange; maxSatChange = o.maxSatChange;
minValChange = o.minValChange; maxValChange = o.maxValChange;
minDeco = o.minDeco; maxDeco = o.maxDeco;
minAnim = o.minAnim; maxAnim = o.maxAnim;
}
public Invader(int seed, InvaderRenderSettings sets = null)
{
this.seed = seed;
poses = RenderInvaderPoses(seed, sets);
sprite = poses[0];
speed = Randoms.RandomInt(1, 3);
if (Randoms.RandomFloat() < .5f)
{
speed *= -1;
}
framesPerTick = Randoms.RandomInt(5, 10);
framesSinceTick = 0;
position = default;
}
/// <summary> Create an invader from a <paramref name="seed"/>, rendering a set of sprites for all of its 'poses' </summary>
static ISprite[] RenderInvaderPoses(int seed, InvaderRenderSettings sets = null)
{
if (sets == null)
{
sets = InvaderRenderSettings.DEFAULT;
}
Randoms.Seed = seed;
int numFrames = sets.nextFrames;
ISprite[] poses = new ISprite[numFrames];
// Sprite spr = new Sprite();
int numLayers = sets.nextLayers;
long[] baseFrame = new long[numLayers];
Pixel[] colors = new Pixel[numLayers + 1];
int width = sets.nextSize;
int height = sets.nextSize;
int fill = (int)Mathf.Sqrt(width * height);
int maxBits = height * width - (height * (width / 2));
long bitMask = (1L << (1 + maxBits)) - 1L;
Console.WriteLine($"Invader {width:D2}x{height:D2} has {maxBits:D2} bits and mask 0x{bitMask:X16}");
Vector4 baseColor = Pixel.Random().ToHSVA();
baseColor.w = 1.0f;
baseFrame[0] = PickBits(bitMask, fill);
colors[1] = Pixel.HSVA(baseColor);
for (int i = 1; i < numLayers; i++)
{
int numDeco = sets.nextDeco;
baseFrame[i] = PickBits(bitMask, numDeco);
Vector4 colorMod = sets.nextHsvChange;
colors[i + 1] = Pixel.HSVA(baseColor + colorMod);
}
for (int k = 0; k < numFrames; k++)
{
PalettedSprite spr = new PalettedSprite(width, height, colors);
for (int i = 0; i < numLayers; i++)
{
long bits = baseFrame[i];
if (k != 0)
{
int numFlips = sets.nextAnim;
long mask = PickBits(bitMask, numFlips);
bits ^= mask;
}
RenderInvaderSprite(spr, bits, i + 1);
}
poses[k] = spr;
}
return(poses);
}
private void Reset()
{
entities.Clear();
// Create some extra settings.
// These end up being very colurful.
InvaderRenderSettings vibrant = new InvaderRenderSettings();
vibrant.minFrames = 2; vibrant.maxFrames = 5;
vibrant.minLayers = 2; vibrant.maxLayers = 10;
vibrant.hueChange = .3f;
vibrant.minSatChange = 0; vibrant.maxSatChange = 1f;
vibrant.minValChange = 0; vibrant.maxSatChange = .5f;
vibrant.minDeco = 1; vibrant.maxDeco = 1;
vibrant.minAnim = 1; vibrant.maxAnim = 1;
// These are 'simple' designs with short animations
InvaderRenderSettings simple = new InvaderRenderSettings();
simple.minFrames = 2; simple.maxFrames = 4;
simple.minLayers = 1; simple.maxLayers = 2;
simple.minDeco = 1; simple.maxDeco = 2;
simple.minAnim = 1; simple.maxAnim = 4;
// These are default designs with long, not repeating animations.
InvaderRenderSettings spaz = new InvaderRenderSettings();
spaz.minFrames = 20; spaz.maxFrames = 40;
InvaderRenderSettings vibrantSpaz = new InvaderRenderSettings(vibrant);
vibrantSpaz.minFrames = 20; vibrantSpaz.maxFrames = 40;
InvaderRenderSettings simpleSpaz = new InvaderRenderSettings(simple);
simpleSpaz.minFrames = 20; simpleSpaz.maxFrames = 40;
InvaderRenderSettings[] setArr = new InvaderRenderSettings[] {
vibrant,
simple,
spaz,
simpleSpaz,
vibrantSpaz,
// Default settings generate decent 'invaders' with a few decoration layers
InvaderRenderSettings.DEFAULT
};
Randoms.Seed = (int)DateTime.UtcNow.Ticks;
int numInvaders = Randoms.RandomInt(40, 60);
int[] seeds = new int[numInvaders];
int[] whichSets = new int[numInvaders];
int playerSeed = Randoms.RandomInt(int.MinValue, int.MaxValue);
for (int i = 0; i < numInvaders; i++)
{
seeds[i] = Randoms.RandomInt(int.MinValue, int.MaxValue);
whichSets[i] = Randoms.RandomInt(0, setArr.Length);
}
for (int i = 0; i < numInvaders; i++)
{
int seed = seeds[i];
InvaderRenderSettings sets = setArr[whichSets[i]];
Invader invader = new Invader(seed, sets);
invader.position.x = Random(0, ScreenWidth);
invader.position.y = Random(0, ScreenHeight / 2);
entities.Add(invader);
}
player = new Player(playerSeed);
player.position = new Vector2(ScreenWidth / 2 - 7, ScreenHeight * 3 / 4);
entities.Add(player);
}
