public List <IVector2> GetNeighborCoordsOf(int _x, int _y, bool _useDiag = false)
{
var neighbors = new List <IVector2>();
for (var x = _x - 1; x <= _x + 1; ++x)
{
for (var y = _y - 1; y <= _y + 1; ++y)
{
var p = new IVector2(x, y);
if (CoordInRange(new IVector2(p.x, p.y)))
{
if (!p.Equals(new IVector2(_x, _y)))
{
if (!_useDiag)
{
if (Math.Abs(_x - x) + Math.Abs(_y - y) == 1)
{
neighbors.Add(p);
}
}
else
{
neighbors.Add(p);
}
}
}
}
}
return(neighbors);
}
public static G2Dir VecToDir(IVector2 _from, IVector2 _to)
{
IVector2 result = _from - _to;
if (result.Equals(IVector2.XnYp))
{
return(G2Dir.UL);
}
if (result.Equals(IVector2.Yp))
{
return(G2Dir.U);
}
if (result.Equals(IVector2.XpYp))
{
return(G2Dir.UR);
}
if (result.Equals(IVector2.Xp))
{
return(G2Dir.R);
}
if (result.Equals(IVector2.XpYn))
{
return(G2Dir.DR);
}
if (result.Equals(IVector2.Yn))
{
return(G2Dir.D);
}
if (result.Equals(IVector2.XnYn))
{
return(G2Dir.DL);
}
if (result.Equals(IVector2.Xn))
{
return(G2Dir.L);
}
throw new ArgumentOutOfRangeException("Vector " + _from + " is not a neighbor of Vector " + _to);
}
void UpdateTiles()
{
// determine offset point on tilemap where to retreive the tiles
IVector2 tilemapOffset = new IVector2(Mathf.FloorToInt(pHor),Mathf.FloorToInt(pVer));
// determine scolling position tilesprite to get a smooth scrolling effect
Vector2 scrollPosition = new Vector2(
-((pHor - tilemapOffset.x) * (float)tilesSprite.tileSize.x),
(pVer - tilemapOffset.y) * (float)tilesSprite.tileSize.y);
// check if offset has changed and we need to refill the sprite
if (!tilemapOffset.Equals(lastOffset))
{
tilesSprite.FillFromTileMap(tilemap, tilemapOffset, new Rect(1,0,11,11));
lastOffset = tilemapOffset;
}
// set position of sprite to achieve a smooth scrolling effect
tilesSprite.position = scrollPosition;
}
// ------------------------------------------------------------------------------------------------------------------------------
// public methods
// ------------------------------------------------------------------------------------------------------------------------------
/// <summary>
/// Scroll the tiles with a certain delta (d)
/// </summary>
public void Scroll(IVector2 d, bool keepTiles)
{
if (d.Equals(IVector2.zero))
return;
if (mesh == null)
return;
Color[] colors = mesh.colors;
if (d.y!=0)
{
// scrolling up or down
int dy = Mathf.Abs(d.y);
int[] tmpTiles = new int[dy * tileMatrix.x];
object[] tmpObjects = new object[dy * tileMatrix.x];
float[] tmpAlpha = new float[dy * tileMatrix.x];
Color[] tmpColors = new Color[dy * tileMatrix.x * 4];
int idx = 0;
int cidx = 0;
int yv,yt,yd;
if (keepTiles)
{
// scroll up
yv = tileMatrix.y-1; yt = tileMatrix.y-dy; yd = -1;
if (d.y<0)
{
// scroll down
yv = 0; yt = dy; yd = 1;
}
for (int y=yv; (d.y<0)?(y<yt):(y>=yt); y+=yd)
for (int x=0; x<tileMatrix.x; x++)
{
tmpTiles[idx] = tiles[x][y];
tmpAlpha[idx] = alphas[x][y];
tmpObjects[idx++] = objects[x][y];
int vidx = ((x * tileMatrix.y) + y) * 4;
tmpColors[cidx++] = colors[vidx];
tmpColors[cidx++] = colors[vidx+1];
tmpColors[cidx++] = colors[vidx+2];
tmpColors[cidx++] = colors[vidx+3];
}
}
// scroll up
yv = tileMatrix.y-1-dy; yt = 0; yd = -1;
if (d.y<0)
{
// scroll down
yv = dy; yt = tileMatrix.y; yd = 1;
}
for (int y=yv; (d.y<0)?(y<yt):(y>=yt); y+=yd)
for (int x=0; x<tileMatrix.x; x++)
{
tiles[x][y+d.y] = tiles[x][y];
objects[x][y+d.y] = objects[x][y];
alphas[x][y+d.y] = alphas[x][y];
int vidxt = ((x * tileMatrix.y) + y + d.y) * 4;
int vidxf = ((x * tileMatrix.y) + y ) * 4;
colors[vidxt] = colors[vidxf];
colors[vidxt+1] = colors[vidxf+1];
colors[vidxt+2] = colors[vidxf+2];
colors[vidxt+3] = colors[vidxf+3];
}
if (keepTiles)
{
idx = 0;
cidx = 0;
// scroll up
yv = dy-1; yt = 0; yd = -1;
if (d.y<0)
{
// scroll down
yv = tileMatrix.y-dy; yt = tileMatrix.y; yd = 1;
}
for (int y=yv; (d.y<0)?(y<yt):(y>=yt); y+=yd)
for (int x=0; x<tileMatrix.x; x++)
{
tiles[x][y] = tmpTiles[idx];
alphas[x][y] = tmpAlpha[idx];
objects[x][y] = tmpObjects[idx++];
int vidx = ((x * tileMatrix.y) + y) * 4;
colors[vidx] = tmpColors[cidx++];
colors[vidx+1] = tmpColors[cidx++];
colors[vidx+2] = tmpColors[cidx++];
colors[vidx+3] = tmpColors[cidx++];
}
}
else
{
if (d.y<0)
Clear(TilesBlock(new Rect(1,tileMatrix.y-(dy-1),tileMatrix.x,dy)));
else
Clear(TilesBlock(new Rect(1,1,tileMatrix.x,dy)));
}
}
if (d.x!=0)
{
// scrolling up or down
int dx = Mathf.Abs(d.x);
int[] tmpTiles = new int[dx * tileMatrix.y];
object[] tmpObjects = new object[dx * tileMatrix.y];
float[] tmpAlpha = new float[dx * tileMatrix.y];
Color[] tmpColors = new Color[dx * tileMatrix.y * 4];
int idx = 0;
int cidx = 0;
int xv,xt,xd;
if (keepTiles)
{
// scroll right
xv = tileMatrix.x-1; xt = tileMatrix.x-dx; xd = -1;
if (d.x<0)
{
// scroll down
xv = 0; xt = dx; xd = 1;
}
for (int y=0; y<tileMatrix.y; y++)
for (int x=xv; (d.x<0)?(x<xt):(x>=xt); x+=xd)
{
tmpTiles[idx] = tiles[x][y];
tmpAlpha[idx] = alphas[x][y];
tmpObjects[idx++] = objects[x][y];
int vidx = ((x * tileMatrix.y) + y) * 4;
tmpColors[cidx++] = colors[vidx];
tmpColors[cidx++] = colors[vidx+1];
tmpColors[cidx++] = colors[vidx+2];
tmpColors[cidx++] = colors[vidx+3];
}
}
// scroll up
xv = tileMatrix.x-1-dx; xt = 0; xd = -1;
if (d.x<0)
{
// scroll down
xv = dx; xt = tileMatrix.x; xd = 1;
}
for (int y=0; y<tileMatrix.y; y++)
for (int x=xv; (d.x<0)?(x<xt):(x>=xt); x+=xd)
{
tiles[x+d.x][y] = tiles[x][y];
alphas[x+d.x][y] = alphas[x][y];
objects[x+d.x][y] = objects[x][y];
int vidxt = (((x + d.x) * tileMatrix.y) + y) * 4;
int vidxf = ((x * tileMatrix.y) + y ) * 4;
colors[vidxt] = colors[vidxf];
colors[vidxt+1] = colors[vidxf+1];
colors[vidxt+2] = colors[vidxf+2];
colors[vidxt+3] = colors[vidxf+3];
}
if (keepTiles)
{
idx = 0;
cidx = 0;
// scroll up
xv = dx-1; xt = 0; xd = -1;
if (d.x<0)
{
// scroll down
xv = tileMatrix.x-dx; xt = tileMatrix.x; xd = 1;
}
for (int y=0; y<tileMatrix.y; y++)
for (int x=xv; (d.x<0)?(x<xt):(x>=xt); x+=xd)
{
tiles[x][y] = tmpTiles[idx];
alphas[x][y] = tmpAlpha[idx];
objects[x][y] = tmpObjects[idx++];
int vidx = ((x * tileMatrix.y) + y) * 4;
colors[vidx] = tmpColors[cidx++];
colors[vidx+1] = tmpColors[cidx++];
colors[vidx+2] = tmpColors[cidx++];
colors[vidx+3] = tmpColors[cidx++];
}
}
else
{
if (d.x<0)
Clear(TilesBlock(new Rect(tileMatrix.x-(dx-1),1,dx,tileMatrix.y)));
else
Clear(TilesBlock(new Rect(1,1,dx,tileMatrix.y)));
}
}
mesh.colors = colors;
Repaint();
}
/// <summary>
/// 處理移動(檢查都通過時的處理）
/// </summary>
/// <param name="start">玩家決定的移動起點</para>
/// <param name="end">玩家決定的移動終點</param>
/// <param name="realEnd">實際的移動終點</param>
/// <param name="infectPositions">感染的座標範圍</param>
public MoveType Move(IVector2 start, IVector2 end, out IVector2 realEnd, out List <IVector2> infectPositions)
{
MoveType moveType = MoveType.Move;
realEnd = end.Clone();
infectPositions = new List <IVector2>();
Creature creature = map.GetCreature(start); // 取得要移動的生物
if (creature == Creature.None)
{
return(MoveType.None);
}
if (creature == Creature.People)
{
map.SetCreature(realEnd, creature);
// 由於是合法移動,不是差一就二
if (Mathf.Abs(realEnd.x - start.x) == 1 || Mathf.Abs(realEnd.y - start.y) == 1)
{
moveType = MoveType.Clone;
}
else
{
map.SetCreature(start, Creature.None); // 跳耀,所以要刪除原本的
}
//感染
foreach (IVector2 neiDir in neighborDir)
{
IVector2 neighbor = new IVector2(realEnd.x + neiDir.x, realEnd.y + neiDir.y);
if (!neighbor.Equals(start)) // 起點不受影響
{
bool infectSuccess = map.Infect(neighbor, creature);
if (infectSuccess)
{
infectPositions.Add(neighbor);
}
}
}
}
else if (creature == Creature.Scarab)
{
IVector2 transportPos;
bool isTransPort = map.CanTransport(creature, end, out transportPos);
if (isTransPort) // 瞬間移動,原本的必定砍掉
{
map.SetCreature(start, Creature.None);
realEnd = transportPos.Clone();
}
else
{
// 由於是合法移動,不是差一就二
if (Mathf.Abs(realEnd.x - start.x) == 1 || Mathf.Abs(realEnd.y - start.y) == 1)
{
moveType = MoveType.Clone;
}
else
{
map.SetCreature(start, Creature.None); // 跳耀,所以要刪除原本的
}
}
map.SetCreature(realEnd, creature);
//感染
foreach (IVector2 neiDir in neighborDir)
{
IVector2 neighbor = new IVector2(realEnd.x + neiDir.x, realEnd.y + neiDir.y);
if (!neighbor.Equals(start)) // 起點不受影響
{
bool infectSuccess = map.Infect(neighbor, creature);
if (infectSuccess)
{
infectPositions.Add(neighbor);
}
}
}
}
// TODO: 優化能夠移動到的地點相關的處理
map.RecheckAllCanMove();
return(moveType);
}