// i(t) = sigmoid(W(i)*x(t) + U(i)*h(t-1)) input gate
// f(t) = sigmoid(W(f)*x(t) + U(f)*h(t-1)) forget gate
// o(t) = sigmoid(W(o)*x(t) + U(o)*h(t-1)) output exposure gate
// c tilde(t) = tanh(W(c)*x(t) + U(c)*h(t-1)) new memory cell
// c(t) = f(t).*c tilde(t-1) + i(t).*c tilde(t) final memory cell
// h(t) = o(t).*tanh(c(t))
public Tensor Step(Graph.Graph f, Tensor x, Tensor h)
{
// input gate
var inputGate = f.Sigmoid(f.AddBias(f.Add(f.Multiply(x, _wix), f.Multiply(h, _wih)), _bi));
// forget gate
var forgetGate = f.Sigmoid(f.AddBias(f.Add(f.Multiply(x, _wfx), f.Multiply(h, _wfh)), _bf));
var newInput = f.Tanh(f.Multiply(x, _wcx));
return(f.Add(f.ElementwiseMultiply(inputGate, newInput), f.ElementwiseMultiply(forgetGate, f.Tanh(h))));
}
// i(t) = sigmoid(W(i)*x(t) + U(i)*h(t-1)) input gate
// f(t) = sigmoid(W(f)*x(t) + U(f)*h(t-1)) forget gate
// o(t) = sigmoid(W(o)*x(t) + U(o)*h(t-1)) output exposure gate
// c tilde(t) = tanh(W(c)*x(t) + U(c)*h(t-1)) new memory cell
// c(t) = f(t).*c tilde(t-1) + i(t).*c tilde(t) final memory cell
// h(t) = o(t).*tanh(c(t))
public Tensor Step(Graph.Graph f, Tensor x, Tensor c, Tensor h, out Tensor nc)
{
// input gate
var inputGate = f.Sigmoid(f.AddBias(f.Add(f.Multiply(x, _wix), f.Multiply(h, _wih)), _bi));
// forget gate
var forgetGate = f.Sigmoid(f.AddBias(f.Add(f.Multiply(x, _wfx), f.Multiply(h, _wfh)), _bf));
// output gate
var outputGate = f.Sigmoid(f.AddBias(f.Add(f.Multiply(x, _wox), f.Multiply(h, _woh)), _bo));
// new cell
var newInfo = f.Tanh(f.AddBias(f.Add(f.Multiply(x, _wcx), f.Multiply(h, _wch)), _bc));
// final cell
var retainCell = f.ElementwiseMultiply(forgetGate, c);
var writeCell = f.ElementwiseMultiply(inputGate, newInfo);
var finalCell = f.Add(retainCell, writeCell);
// hidden unit
nc = finalCell;
return(f.ElementwiseMultiply(outputGate, f.Tanh(finalCell)));
}
/// <summary>
/// Takes a Room and creates everything that is not a floor tile
/// </summary>
/// <param name="enemyTexture">Texture of enemies in this room</param>
/// <param name="wallTexture">Texture of walls in this room</param>
public void initRoom(Texture2D wallTextures, Texture2D floorTextures, Graph.Graph graph)
{
//Init room's textures
this.wallTextures = wallTextures;
this.floorTextures = floorTextures;
//Should change this later
int tileSize = 64;
int roomSize = 10;
int enemySpriteWidth = 39;
int enemySpriteHeight = 38;
Pod pod = new Pod();
for (int i = 0; i < roomSize; i++)
{
for (int j = 0; j < roomSize; j++)
{
Vector2 currPos =
new Vector2(
position.X + tileSize * i,
position.Y + tileSize * j);
Vector2 midPos =
new Vector2(
currPos.X + (tileSize / 4),
currPos.Y + (tileSize / 4));
switch (tileLayout[i, j])
{
//Create walls
case TileType.WALL:
ChunkManager.Instance.Add(
new Wall(
floorTextures,
currPos,
new Rectangle(
(int)currPos.X,
(int)currPos.Y,
tileSize,
tileSize)));
break;
//Move player
case TileType.PLAYER:
Player.Instance.Position = currPos;
Player.Instance.ResetPlayerNewMap();
Player.Instance.CurrWeapon.ResetWeapon();
Weapons.Weapon temp = Player.Instance.CurrWeapon;
temp.X = currPos.X + Player.Instance.BoundingBox.Width / 2;
temp.Y = currPos.Y + Player.Instance.BoundingBox.Height / 2;
Camera.Instance.resetPosition(Player.Instance.Position);
//Add this position to the graph
graph.Add(new Graph.GraphNode(midPos));
spawnroom = true;
break;
//Create Melee Enemies
case TileType.MELEEENEMY:
graph.Add(new Graph.GraphNode(midPos));
//Create new enemy
MeleeEnemy newEnemy =
new MeleeEnemy(
TextureManager.Instance.GetEnemyTexture("EnemyTexture"),
midPos,
new Rectangle(
(int)midPos.X,
(int)midPos.Y,
enemySpriteWidth,
enemySpriteHeight));
//Add Enemy to game
EntityManager.Instance.Add(newEnemy);
ChunkManager.Instance.Add(newEnemy);
pod.Add(newEnemy);
break;
//Create Turret Enemies
case TileType.TURRET:
//Create new enemy
TurretEnemy turret =
new TurretEnemy(
TextureManager.Instance.GetEnemyTexture("EnemyTexture"),
midPos,
new Rectangle(
(int)midPos.X,
(int)midPos.Y,
enemySpriteWidth,
enemySpriteHeight));
//Add Enemy to game
EntityManager.Instance.Add(turret);
ChunkManager.Instance.Add(turret);
pod.Add(turret);
break;
case TileType.DASHENEMY:
graph.Add(new Graph.GraphNode(midPos));
//Create new enemy
DashEnemy dash =
new DashEnemy(
TextureManager.Instance.GetEnemyTexture("EnemyTexture"),
midPos,
new Rectangle(
(int)midPos.X,
(int)midPos.Y,
enemySpriteWidth,
enemySpriteHeight));
//Add Enemy to game
EntityManager.Instance.Add(dash);
ChunkManager.Instance.Add(dash);
pod.Add(dash);
break;
default:
//Add this position to the graph
graph.Add(new Graph.GraphNode(midPos));
break;
}
}
}
PodManager.Instance.Add(pod);
InitTextureMap();
}
public Tensor Step(Graph.Graph f, Tensor x, Tensor h)
{
return(f.AddBias(f.Add(f.Multiply(x, _wxh), f.Multiply(h, _whh)), _bh));
}
