public static void AIMovement(StateSpaceComponents spaceComponents, DungeonTile[,] dungeonGrid, Vector2 dungeonDimensions, DijkstraMapTile[,] mapToPlayer)
{
if (spaceComponents.PlayerComponent.PlayerTookTurn)
{
// Handle Combat ready AI entities
foreach (Guid id in spaceComponents.Entities.Where(c => ((c.ComponentFlags & ComponentMasks.CombatReadyAI) == ComponentMasks.CombatReadyAI)).Select(c => c.Id))
{
AIAlignment alignment = spaceComponents.AIAlignmentComponents[id];
AIState state = spaceComponents.AIStateComponents[id];
PositionComponent position = spaceComponents.PositionComponents[id];
switch(state.State)
{
case AIStates.STATE_ROAMING:
position = AISystem.AIRoam(id, position, dungeonGrid, dungeonDimensions, spaceComponents.random);
break;
case AIStates.STATE_ATTACKING:
position = AISystem.AIAttack(id, position, dungeonDimensions, mapToPlayer, spaceComponents.random);
break;
case AIStates.STATE_FLEEING:
position = AISystem.AIFlee(id, position, dungeonDimensions, mapToPlayer, spaceComponents.random);
break;
}
CollisionSystem.TryToMove(spaceComponents, dungeonGrid, position, id);
}
}
}
public static void ShouldPlayerMapRecalc(StateSpaceComponents spaceComponents, DungeonTile[,] dungeonGrid, Vector2 dungeonDimensions, ref DijkstraMapTile[,] playerMap)
{
if(spaceComponents.PlayerComponent.PlayerTookTurn || spaceComponents.PlayerComponent.PlayerJustLoaded)
{
CreateDijkstraMapToPlayers(dungeonGrid, dungeonDimensions, spaceComponents, ref playerMap);
}
}
private static PositionComponent AIFlee(Guid entity, PositionComponent position, Vector2 dungeonDimensions, DijkstraMapTile[,] mapToPlayer, Random random)
{
int lowestGridTile = 1;
List<Vector2> validSpots = new List<Vector2>();
for (int i = (int)position.Position.X - 1; i <= (int)position.Position.X + 1; i++)
{
for (int j = (int)position.Position.Y - 1; j <= (int)position.Position.Y + 1; j++)
{
if (i >= 0 && j >= 0 && i < (int)dungeonDimensions.X && j < (int)dungeonDimensions.Y)
{
if (mapToPlayer[i, j].Weight < DevConstants.Grid.WallWeight)
{
lowestGridTile = (mapToPlayer[i, j].Weight * -1 < lowestGridTile * -1) ? mapToPlayer[i, j].Weight : lowestGridTile;
}
}
}
}
for (int i = (int)position.Position.X - 1; i <= (int)position.Position.X + 1; i++)
{
for (int j = (int)position.Position.Y - 1; j <= (int)position.Position.Y + 1; j++)
{
if (i >= 0 && j >= 0 && i < (int)dungeonDimensions.X && j < (int)dungeonDimensions.Y && mapToPlayer[i, j].Weight == lowestGridTile)
{
validSpots.Add(new Vector2(i, j));
}
}
}
return new PositionComponent() { Position = validSpots[random.Next(0, validSpots.Count)] };
}
public static void DrawTiles(Camera camera, SpriteBatch spriteBatch, DungeonTile[,] dungeonGrid, Vector2 dungeonDimensions, int cellSize, Texture2D spriteSheet, DungeonColorInfo colorInfo, DijkstraMapTile[,] mapToPlayer, SpriteFont font, StateSpaceComponents spaceComponents)
{
Entity player = spaceComponents.Entities.Where(c => (c.ComponentFlags & ComponentMasks.Player) == ComponentMasks.Player).FirstOrDefault();
bool inWater = false;
bool inFire = false;
if (player != null)
{
Vector2 playerPos = spaceComponents.PositionComponents[spaceComponents.Entities.Where(c => (c.ComponentFlags & ComponentMasks.Player) == ComponentMasks.Player).First().Id].Position;
inWater = dungeonGrid[(int)playerPos.X, (int)playerPos.Y].Type == TileType.TILE_WATER;
inFire = dungeonGrid[(int)playerPos.X, (int)playerPos.Y].Type == TileType.TILE_FIRE || (player.ComponentFlags & ComponentMasks.BurningStatus) == ComponentMasks.BurningStatus;
}
Matrix cameraMatrix = camera.GetMatrix();
Vector2 origin = new Vector2(DevConstants.Grid.TileBorderSize, DevConstants.Grid.TileBorderSize);
for (int i = 0; i < (int)dungeonDimensions.X; i++)
{
for (int j = 0; j < (int)dungeonDimensions.Y; j++)
{
bool tintFire = inFire || dungeonGrid[i, j].FireIllumination;
Vector2 tile = new Vector2((int)i * cellSize, (int)j * cellSize);
Rectangle floor = new Rectangle(0 * cellSize, 0 * cellSize, cellSize, cellSize); //Need to be moved eventually
Rectangle wall = new Rectangle(0 * cellSize, 0 * cellSize, cellSize, cellSize); //Need to be moved eventually
Vector2 bottomRight = Vector2.Transform(new Vector2((i * cellSize) + cellSize, (j * cellSize) + cellSize), cameraMatrix);
Vector2 topLeft = Vector2.Transform(new Vector2(i * cellSize, j * cellSize), cameraMatrix);
Rectangle cameraBounds = new Rectangle((int)topLeft.X, (int)topLeft.Y, (int)bottomRight.X - (int)topLeft.X, (int)bottomRight.Y - (int)topLeft.Y);
if (camera.IsInView(cameraMatrix, cameraBounds)) // check if in view
{
if (dungeonGrid[i, j].Found && !dungeonGrid[i, j].InRange)
{
Color colorToLerp = tintFire ? colorInfo.Fire : colorInfo.Water; //Default to water, if fire then change it.
switch (dungeonGrid[i, j].Type)
{
case TileType.TILE_FLATTENEDGRASS:
case TileType.TILE_FLOOR:
spriteBatch.Draw(spriteSheet, position: tile, color: (inWater || tintFire ? Color.Lerp(colorInfo.Floor, colorToLerp, .3f) : colorInfo.Floor) * .3f, origin: origin);
break;
case TileType.TILE_ROCK:
case TileType.TILE_WALL:
spriteBatch.Draw(spriteSheet, position: tile, color: (inWater || tintFire ? Color.Lerp(colorInfo.Wall, colorToLerp, .3f) : colorInfo.Wall) * .3f, origin: origin);
break;
case TileType.TILE_TALLGRASS:
spriteBatch.Draw(spriteSheet, position: tile, color: (inWater || tintFire ? Color.Lerp(colorInfo.TallGrass, colorToLerp, .3f) : colorInfo.TallGrass) * .3f, origin: origin);
break;
case TileType.TILE_ASH:
spriteBatch.Draw(spriteSheet, position: tile, color: (inWater || tintFire ? Color.Lerp(colorInfo.Ash, colorToLerp, .3f) : colorInfo.Ash) * .3f, origin: origin);
break;
case TileType.TILE_WATER:
spriteBatch.Draw(spriteSheet, position: tile, color: (tintFire ? Color.Lerp(colorInfo.Water, colorToLerp, .3f) : colorInfo.Water) * .3f, origin: origin);
break;
case TileType.TILE_FIRE:
spriteBatch.Draw(spriteSheet, position: tile, color: (inWater ? Color.Lerp(colorInfo.Fire, colorToLerp, .3f) : colorInfo.Fire) * .3f, origin: origin);
break;
}
if (!string.IsNullOrEmpty(dungeonGrid[i, j].Symbol))
{
Vector2 size = font.MeasureString(dungeonGrid[i, j].Symbol);
spriteBatch.DrawString(font, dungeonGrid[i, j].Symbol, new Vector2(i * DevConstants.Grid.CellSize + (int)(DevConstants.Grid.CellSize / 2),
(j * DevConstants.Grid.CellSize + (int)(DevConstants.Grid.CellSize / 2))),
dungeonGrid[i, j].SymbolColor * .5f, 0f, new Vector2((int)(size.X / 2), (int)(size.Y / 2)), 1f, SpriteEffects.None, 0f);
}
}
else if (dungeonGrid[i, j].InRange && !dungeonGrid[i, j].NewlyFound)
{
int weight = mapToPlayer[i, j].Weight;
double opacity = 1 - (.035 * weight);
opacity = (opacity < .4) ? .4 : opacity;
opacity = dungeonGrid[i, j].FireIllumination ? .85f : opacity;
bool isWall = false;
Color colorToLerp = tintFire ? colorInfo.FireInRange : colorInfo.WaterInRange; //Default to water, if fire then change it.
switch (dungeonGrid[i, j].Type)
{
case TileType.TILE_FLATTENEDGRASS:
case TileType.TILE_FLOOR:
spriteBatch.Draw(spriteSheet, position: tile, color: (inWater || tintFire ? Color.Lerp(colorInfo.FloorInRange, colorToLerp, .55f) : colorInfo.FloorInRange) * (float)opacity, origin: origin);
break;
case TileType.TILE_ROCK:
case TileType.TILE_WALL:
spriteBatch.Draw(spriteSheet, position: tile, color: (inWater || tintFire ? Color.Lerp(colorInfo.WallInRange, colorToLerp, .55f) : colorInfo.WallInRange) * .85f, origin: origin);
isWall = true;
break;
case TileType.TILE_TALLGRASS:
spriteBatch.Draw(spriteSheet, position: tile, color: (inWater || tintFire ? Color.Lerp(colorInfo.TallGrassInRange, colorToLerp, .55f) : colorInfo.TallGrassInRange) * (float)opacity, origin: origin);
break;
case TileType.TILE_WATER:
spriteBatch.Draw(spriteSheet, position: tile, color: (tintFire ? Color.Lerp(colorInfo.WaterInRange, colorToLerp, .55f) : colorInfo.WaterInRange) * (float)opacity, origin: origin);
break;
case TileType.TILE_ASH:
spriteBatch.Draw(spriteSheet, position: tile, color: (inWater || tintFire ? Color.Lerp(colorInfo.AshInRange, colorToLerp, .55f) : colorInfo.AshInRange) * (float)opacity, origin: origin);
break;
case TileType.TILE_FIRE:
opacity = 0f + (.1f * dungeonGrid[i, j].TurnsToBurn);
opacity = (opacity > 1f) ? 1f : opacity;
opacity = (opacity < .3f) ? .3f : opacity;
spriteBatch.Draw(spriteSheet, position: tile, color: (inWater ? Color.Lerp(colorInfo.FireInRange, colorToLerp, .55f) : colorInfo.FireInRange) * (float)opacity, origin: origin);
break;
}
if (!isWall)
{
if (!string.IsNullOrEmpty(dungeonGrid[i, j].Symbol))
{
Vector2 size = font.MeasureString(dungeonGrid[i, j].Symbol);
spriteBatch.DrawString(font, dungeonGrid[i, j].Symbol, new Vector2(i * DevConstants.Grid.CellSize + (int)(DevConstants.Grid.CellSize / 2),
(j * DevConstants.Grid.CellSize + (int)(DevConstants.Grid.CellSize / 2))),
dungeonGrid[i, j].SymbolColor * (float)opacity, 0f, new Vector2((int)(size.X / 2), (int)(size.Y / 2)), 1f, SpriteEffects.None, 0f);
}
}
else
{
if (!string.IsNullOrEmpty(dungeonGrid[i, j].Symbol))
{
Vector2 size = font.MeasureString(dungeonGrid[i, j].Symbol);
spriteBatch.DrawString(font, dungeonGrid[i, j].Symbol, new Vector2(i * DevConstants.Grid.CellSize + (int)(DevConstants.Grid.CellSize / 2),
(j * DevConstants.Grid.CellSize + (int)(DevConstants.Grid.CellSize / 2))),
dungeonGrid[i, j].SymbolColor * .85f, 0f, new Vector2((int)(size.X / 2), (int)(size.Y / 2)), 1f, SpriteEffects.None, 0f);
}
}
}
else if (dungeonGrid[i, j].NewlyFound)
{
float opacity = dungeonGrid[i, j].Opacity;
Color colorToLerp = tintFire ? colorInfo.FireInRange : colorInfo.WaterInRange; //Default to water, if fire then change it.
switch (dungeonGrid[i, j].Type)
{
case TileType.TILE_FLATTENEDGRASS:
case TileType.TILE_FLOOR:
spriteBatch.Draw(spriteSheet, position: tile, color: (inWater || tintFire ? Color.Lerp(colorInfo.FloorInRange, colorToLerp, .55f) : colorInfo.FloorInRange) * opacity, origin: origin);
break;
case TileType.TILE_ROCK:
case TileType.TILE_WALL:
spriteBatch.Draw(spriteSheet, position: tile, color: (inWater || tintFire ? Color.Lerp(colorInfo.WallInRange, colorToLerp, .55f) : colorInfo.WallInRange) * opacity, origin: origin);
break;
case TileType.TILE_TALLGRASS:
spriteBatch.Draw(spriteSheet, position: tile, color: (inWater || tintFire ? Color.Lerp(colorInfo.TallGrassInRange, colorToLerp, .55f) : colorInfo.TallGrassInRange) * opacity, origin: origin);
break;
case TileType.TILE_ASH:
spriteBatch.Draw(spriteSheet, position: tile, color: (inWater || tintFire ? Color.Lerp(colorInfo.AshInRange, colorToLerp, .55f) : colorInfo.AshInRange) * opacity, origin: origin);
break;
case TileType.TILE_WATER:
spriteBatch.Draw(spriteSheet, position: tile, color: (tintFire ? Color.Lerp(colorInfo.WaterInRange, colorToLerp, .55f) : colorInfo.WaterInRange) * opacity, origin: origin);
break;
case TileType.TILE_FIRE:
spriteBatch.Draw(spriteSheet, position: tile, color: (inWater ? Color.Lerp(colorInfo.FireInRange, colorToLerp, .55f) : colorInfo.FireInRange), origin: origin);
break;
}
if (!string.IsNullOrEmpty(dungeonGrid[i, j].Symbol))
{
Vector2 size = font.MeasureString(dungeonGrid[i, j].Symbol);
spriteBatch.DrawString(font, dungeonGrid[i, j].Symbol, new Vector2(i * DevConstants.Grid.CellSize + (int)(DevConstants.Grid.CellSize / 2),
(j * DevConstants.Grid.CellSize + (int)(DevConstants.Grid.CellSize / 2))),
dungeonGrid[i, j].SymbolColor * opacity, 0f, new Vector2((int)(size.X / 2), (int)(size.Y / 2)), 1f, SpriteEffects.None, 0f);
}
if (dungeonGrid[i, j].Opacity > .5)
{
dungeonGrid[i, j].NewlyFound = false;
dungeonGrid[i, j].Found = true;
}
}
}
}
}
}
private static void CreateDijkstraMapToPlayers(DungeonTile[,] dungeonGrid, Vector2 dungeonDimensions, StateSpaceComponents spaceComponents, ref DijkstraMapTile[,] dijkstraMap)
{
List<Vector2> targets = new List<Vector2>();
//targets are any entities with friendly AI and players
foreach(Guid id in spaceComponents.Entities.Where(x => (x.ComponentFlags & Component.COMPONENT_PLAYER) == Component.COMPONENT_PLAYER).Select(x => x.Id))
{
targets.Add(spaceComponents.PositionComponents[id].Position);
}
foreach (Guid id in spaceComponents.Entities.Where(x => (x.ComponentFlags & Component.COMPONENT_AI_ALIGNMENT) == Component.COMPONENT_AI_ALIGNMENT).Select(x => x.Id))
{
if(spaceComponents.AIAlignmentComponents[id].Alignment == AIAlignments.ALIGNMENT_FRIENDLY)
{
targets.Add(spaceComponents.PositionComponents[id].Position);
}
}
//Set up map
for (int i = 0; i < dungeonDimensions.X; i++)
{
for (int j = 0; j < dungeonDimensions.Y; j++)
{
if (dungeonGrid[i, j].Occupiable)
{
dijkstraMap[i, j].Weight = DevConstants.Grid.WallWeight -1;
}
else
{
dijkstraMap[i, j].Weight = DevConstants.Grid.WallWeight;
}
if (targets.Contains(new Vector2(i, j)))
{
dijkstraMap[i, j].Weight = 0;
}
dijkstraMap[i, j].Checked = false;
}
}
Queue<Vector2> floodQueue = new Queue<Vector2>();
foreach(Vector2 item in targets)
{
floodQueue.Enqueue(item);
}
while (floodQueue.Count > 0)
{
Vector2 pos = floodQueue.Dequeue();
int x = (int)pos.X;
int y = (int)pos.Y;
int lowestNeighbor = DevConstants.Grid.WallWeight;
HashSet<Vector2> toAdd = new HashSet<Vector2>();
for (int k = x - 1; k <= x + 1; k++)
{
for (int l = y - 1; l <= y + 1; l++)
{
if (l >= 0 && k >= 0 && l < (int)dungeonDimensions.Y && k < (int)dungeonDimensions.X && dijkstraMap[(int)pos.X, (int)pos.Y].Weight != DevConstants.Grid.WallWeight)
{
lowestNeighbor = (lowestNeighbor < dijkstraMap[k, l].Weight) ? lowestNeighbor : dijkstraMap[k, l].Weight;
if(!dijkstraMap[k,l].Checked)
{
dijkstraMap[k, l].Checked = true;
floodQueue.Enqueue(new Vector2(k, l));
}
}
}
}
if (dijkstraMap[x,y].Weight >= lowestNeighbor + 2)
{
dijkstraMap[x,y].Weight = lowestNeighbor + 1;
}
}
}
