mirror of
https://github.com/coding-horror/basic-computer-games.git
synced 2025-12-31 23:17:38 -08:00
Simplify some logic
This commit is contained in:
drewjcooper
@@ -4,6 +4,10 @@ namespace Salvo;
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internal class Game
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{
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private static readonly float[] _shipValue = new[] { 0.5F, 1, 2, 3 };
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private static readonly int[] _shipFirstIndex = new[] { 11, 9, 6, 1 };
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private static readonly int[] _shipSize = new[] { 2, 2, 3, 5 };
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private readonly IReadWrite _io;
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private readonly IRandom _random;
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@@ -17,7 +21,8 @@ internal class Game
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{
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_io.Write(Streams.Title);
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L1040: var computerGrid = new float[11,11];
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L1040:
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var humanGrid = new float[11,11];
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var shotsX = new int[8];
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var shotsY = new int[8];
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@@ -25,54 +30,27 @@ L1040: var computerGrid = new float[11,11];
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var tempX = new int[13];
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var tempY = new int[13];
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var hitShipValue = new float[13];
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var temp = new int[11,11];
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L1060: for (var W = 1; W <= 12; W++)
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L1060: for (var i = 1; i <= 12; i++)
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{
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L1070: hitTurnRecord[W] = -1;
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L1080: hitShipValue[W] = -1;
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L1070: hitTurnRecord[i] = -1;
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L1080: hitShipValue[i] = -1;
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}
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L1100: for (var X = 1; X <= 10; X++)
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{
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L1110: for (var Y = 1; Y <= 10; Y++)
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{
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L1120: humanGrid[X,Y] = 0;
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}
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}
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L1150: for (var X = 1; X <= 12; X++)
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{
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L1160: tempX[X]=0;
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L1170: tempY[X]=0;
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}
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L1190: for (var X = 1; X <= 10; X++)
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{
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L1200: for (var Y = 1; Y <= 10; Y++)
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{
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L1210: computerGrid[X,Y]=0;
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}
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}
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L1240: for (var K = 4; K >= 1; K--)
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L1190: var computerGrid = new float[11,11];
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L1240: for (var K = 3; K >= 0; K--)
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{
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L1250: var shipGenerationAttempts=0;
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L1260: var (startX, startY, deltaY, deltaX) = L2910();
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L1270: int GetFirstIndex(int shipNumber) => (5-shipNumber)*3-2*(shipNumber/4)+Math.Sign(shipNumber-1)-1;
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L1280: int GetShipSizeLessOne(int shipNumber) => shipNumber + shipNumber/4 - Math.Sign(shipNumber-1);
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L1290: if (deltaY+deltaX+deltaY*deltaX == 0) { goto L1260; }
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L1300: if (startY+deltaY*GetShipSizeLessOne(K)>10) { goto L1260; }
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L1310: if (startY+deltaY*GetShipSizeLessOne(K)<1) { goto L1260; }
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L1320: if (startX+deltaX*GetShipSizeLessOne(K)>10) { goto L1260; }
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L1330: if (startX+deltaX*GetShipSizeLessOne(K)<1) { goto L1260; }
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L1340: shipGenerationAttempts=shipGenerationAttempts+1;
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L1260: var (startX, startY, deltaY, deltaX) = GetRandomShipCoordinatesInRange(K);
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L1340: shipGenerationAttempts++;
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L1350: if (shipGenerationAttempts>25) { goto L1190; }
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// determine ship coordinates
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L1360: for (var i = 0; i <= GetShipSizeLessOne(K); i++)
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L1360: for (var i = 0; i <= _shipSize[K] - 1; i++)
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{
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tempX[i+GetFirstIndex(K)]=startX+deltaX*i;
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L1380: tempY[i+GetFirstIndex(K)]=startY+deltaY*i;
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tempX[i+_shipFirstIndex[K]]=startX+deltaX*i;
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L1380: tempY[i+_shipFirstIndex[K]]=startY+deltaY*i;
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}
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L1400: var firstIndex=GetFirstIndex(K);
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L1405: if (firstIndex>firstIndex+GetShipSizeLessOne(K)) { goto L1460; } // Can't be true
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L1400: var firstIndex=_shipFirstIndex[K];
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// detect proximity to previous ships
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for (var i = firstIndex; i <= firstIndex+GetShipSizeLessOne(K); i++)
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for (var i = firstIndex; i <= firstIndex+_shipSize[K] - 1; i++)
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{
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L1415: if (firstIndex<2) { continue; } // Only true for the Battleship
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L1420: for (var j = 1; j <= firstIndex-1; j++)
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@@ -81,60 +59,63 @@ L1430: if (Math.Sqrt((tempX[j]-tempX[i])*(tempX[j]-tempX[i]) + (tem
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}
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}
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// put ship on board
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L1460: for (var i = 0; i <= GetShipSizeLessOne(K); i++)
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L1460: for (var i = firstIndex; i <= firstIndex + _shipSize[K] - 1; i++)
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{
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L1470: computerGrid[tempX[i+firstIndex],tempY[i+firstIndex]]=.5F+Math.Sign(K-1)*(K-1.5F);
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computerGrid[tempX[i], tempY[i]] = _shipValue[K];
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}
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}
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L1500: _io.WriteLine("ENTER COORDINATES FOR...");
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L1510: _io.WriteLine("BATTLESHIP");
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L1520: for (var i = 1; i <= 5; i++)
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{
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var (x, y) = _io.Read2Numbers("");
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L1540: humanGrid[(int)x, (int)y] = 3;
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var (x, y) = _io.ReadCoordinates();
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L1540: humanGrid[x, y] = 3;
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}
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L1560: _io.WriteLine("CRUISER");
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L1570: for (var i = 1; i <= 3; i++)
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{
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var (x, y) = _io.Read2Numbers("");
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L1590: humanGrid[(int)x, (int)y]=2;
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var (x, y) = _io.ReadCoordinates();
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L1590: humanGrid[x, y] = 2;
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}
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L1610: _io.WriteLine("DESTROYER<A>");
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L1620: for (var i = 1; i <= 2; i++)
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{
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var (x, y) = _io.Read2Numbers("");
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L1640: humanGrid[(int)x, (int)y]=1;
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var (x, y) = _io.ReadCoordinates();
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L1640: humanGrid[x, y] = 1;
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}
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L1660: _io.WriteLine("DESTROYER<B>");
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L1670: for (var i = 1; i <= 2; i++)
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{
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var (x, y) = _io.Read2Numbers("");
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L1690: humanGrid[(int)x, (int)y]=.5F;
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var (x, y) = _io.ReadCoordinates();
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L1690: humanGrid[x, y] = 0.5F;
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}
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L1710: var startResponse = _io.ReadString("DO YOU WANT TO START");
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L1730: if (startResponse != "WHERE ARE YOUR SHIPS?") { goto L1890; }
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L1740: _io.WriteLine("BATTLESHIP");
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L1750: for (var i = 1; i <= 5; i++)
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L1730: while (startResponse == "WHERE ARE YOUR SHIPS?")
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{
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L1760: _io.WriteLine($" {tempX[i]} {tempY[i]} ");
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_io.WriteLine("BATTLESHIP");
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for (var i = 1; i <= 5; i++)
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{
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_io.WriteLine($" {tempX[i]} {tempY[i]} ");
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}
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_io.WriteLine("CRUISER");
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_io.WriteLine($" {tempX[6]} {tempY[6]} ");
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_io.WriteLine($" {tempX[7]} {tempY[7]} ");
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_io.WriteLine($" {tempX[8]} {tempY[8]} ");
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_io.WriteLine("DESTROYER<A>");
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_io.WriteLine($" {tempX[9]} {tempY[9]} ");
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_io.WriteLine($" {tempX[10]} {tempY[10]} ");
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_io.WriteLine("DESTROYER<B>");
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_io.WriteLine($" {tempX[11]} {tempY[11]} ");
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_io.WriteLine($" {tempX[12]} {tempY[12]} ");
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startResponse = _io.ReadString("DO YOU WANT TO START");
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}
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L1780: _io.WriteLine("CRUISER");
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L1790: _io.WriteLine($" {tempX[6]} {tempY[6]} ");
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L1800: _io.WriteLine($" {tempX[7]} {tempY[7]} ");
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L1810: _io.WriteLine($" {tempX[8]} {tempY[8]} ");
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L1820: _io.WriteLine("DESTROYER<A>");
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L1830: _io.WriteLine($" {tempX[9]} {tempY[9]} ");
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L1840: _io.WriteLine($" {tempX[10]} {tempY[10]} ");
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L1850: _io.WriteLine("DESTROYER<B>");
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L1860: _io.WriteLine($" {tempX[11]} {tempY[11]} ");
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L1870: _io.WriteLine($" {tempX[12]} {tempY[12]} ");
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L1880: goto L1710;
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L1890: var turnNumber=0;
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L1900: var seeShotsResponse = _io.ReadString("DO YOU WANT TO SEE MY SHOTS");
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L1920: _io.WriteLine();
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L1930: if (startResponse != "YES") { goto L2620; }
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L1950: if (startResponse != "YES") { goto L1990; }
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L1960: turnNumber=turnNumber+1;
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L1960: turnNumber++;
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L1970: _io.WriteLine();
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L1980: _io.WriteLine($"TURN {turnNumber}");
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L1990: var maxShotCount=0;
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@@ -148,78 +129,56 @@ L2030: if (humanGrid[x,y] == shipValue) { goto L2070; }
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}
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}
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L2060: continue;
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L2070: maxShotCount=maxShotCount+(int)(shipValue+.5F);
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L2070: maxShotCount+=(int)(shipValue+.5F);
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}
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L2090: for (var i = 1; i <= 7; i++)
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{
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L2100: shotsX[i] = 0;
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L2110: shotsY[i] = 0;
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L2120: tempX[i] = 0;
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L2130: tempY[i] = 0;
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L2100: shotsX[i] = shotsY[i] = tempX[i] = tempY[i] = 0;
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}
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L2150: var untriedSquareCount=0;
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L2160: for (var x = 1; x <= 10; x++)
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{
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L2170: for (var y = 1; y <= 10; y++)
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{
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L2180: if (computerGrid[x,y]>10) { continue; }
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L2190: untriedSquareCount=untriedSquareCount+1;
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L2180: if (computerGrid[x,y] <= 10) { untriedSquareCount++; }
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}
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}
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L2220: _io.WriteLine($"YOU HAVE {maxShotCount} SHOTS.");
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L2230: if (untriedSquareCount >= maxShotCount) { goto L2260; }
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L2240: _io.WriteLine("YOU HAVE MORE SHOTS THAN THERE ARE BLANK SQUARES.");
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L2250: goto L2890;
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L2260: if (maxShotCount != 0) { goto L2290; }
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L2270: _io.WriteLine("I HAVE WON.");
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L2280: return;
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if (maxShotCount == 0) { goto L2270; }
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L2230: if (maxShotCount > untriedSquareCount)
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{
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_io.WriteLine("YOU HAVE MORE SHOTS THAN THERE ARE BLANK SQUARES.");
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L2250: goto L2890;
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}
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L2290: for (var i = 1; i <= maxShotCount; i++)
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{
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L2300: var (x, y) = _io.Read2Numbers("");
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L2310: if (x != (int)x) { goto L2370; }
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L2320: if (x > 10) { goto L2370; }
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L2330: if (x < 1) { goto L2370; }
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L2340: if (y != (int)y) { goto L2370; }
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L2350: if (y > 10) { goto L2370; }
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L2360: if (y >= 1) { goto L2390; }
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L2370: _io.WriteLine("ILLEGAL, ENTER AGAIN.");
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L2380: goto L2300;
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L2390: if (computerGrid[(int)x,(int)y]>10)
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{
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_io.WriteLine($"YOU SHOT THERE BEFORE ON TURN {computerGrid[(int)x,(int)y]-10}");
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goto L2300;
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while (true)
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{
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var (x, y) = _io.ReadValidCoordinates();
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L2390: if (computerGrid[x,y]>10)
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{
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_io.WriteLine($"YOU SHOT THERE BEFORE ON TURN {computerGrid[x,y]-10}");
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continue;
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}
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shotsX[i]=x;
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shotsY[i]=y;
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break;
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}
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L2400: shotsX[i]=(int)x;
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L2410: shotsY[i]=(int)y;
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}
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L2460: for (var W = 1; W <= maxShotCount; W++)
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{
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L2470: if (computerGrid[shotsX[W],shotsY[W]] == 3)
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{
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_io.WriteLine("YOU HIT MY BATTLESHIP.");
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goto L2510;
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}
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L2480: if (computerGrid[shotsX[W],shotsY[W]] == 2)
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{
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_io.WriteLine("YOU HIT MY CRUISER.");
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goto L2510;
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}
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L2490: if (computerGrid[shotsX[W],shotsY[W]] == 1)
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{
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_io.WriteLine("YOU HIT MY DESTROYER<A>.");
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goto L2510;
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}
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L2500: if (computerGrid[shotsX[W],shotsY[W]] == .5F)
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{
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_io.WriteLine("YOU HIT MY DESTROYER<B>.");
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goto L2510;
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}
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_io.WriteLine(computerGrid[shotsX[W],shotsY[W]] switch
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{
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3 => "YOU HIT MY BATTLESHIP.",
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2 => "YOU HIT MY CRUISER.",
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1 => "YOU HIT MY DESTROYER<A>.",
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.5F => "YOU HIT MY DESTROYER<B>.",
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_ => throw new InvalidOperationException($"Unexpected value {computerGrid[shotsX[W],shotsY[W]]}")
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});
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L2510: computerGrid[shotsX[W],shotsY[W]] = 10+turnNumber;
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}
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L2620: maxShotCount = 0;
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L2630: if (startResponse == "YES") { goto L2670; }
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L2640: turnNumber = turnNumber + 1;
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L2620: if (startResponse == "YES") { goto L2670; }
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L2640: turnNumber++;
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L2650: _io.WriteLine();
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L2660: _io.WriteLine($"TURN {turnNumber}");
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L2670: maxShotCount = 0;
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@@ -233,7 +192,7 @@ L2710: if (computerGrid[x,y] == shipValue) { goto L2750; }
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}
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}
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L2740: continue;
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L2750: maxShotCount = maxShotCount + (int)(shipValue+.5F);
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L2750: maxShotCount += (int)(shipValue+.5F);
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}
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L2770: untriedSquareCount=0;
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L2780: for (var x = 1; x <= 10; x++)
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@@ -241,7 +200,7 @@ L2780: for (var x = 1; x <= 10; x++)
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L2790: for (var y = 1; y <= 10; y++)
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{
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L2800: if (computerGrid[x,y]>10) { continue; }
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L2810: untriedSquareCount=untriedSquareCount+1;
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L2810: untriedSquareCount++;
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}
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}
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L2840: _io.WriteLine($"I HAVE {maxShotCount} SHOTS.");
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@@ -251,16 +210,9 @@ L2870: goto L2270;
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L2880: if (maxShotCount != 0) { goto L2960; }
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L2890: _io.WriteLine("YOU HAVE WON.");
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L2900: return;
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L2270: _io.WriteLine("I HAVE WON.");
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return;
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(int, int, int, int) L2910()
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{
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var startX = _random.Next(1, 11);
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var startY = _random.Next(1, 11);
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var deltaY = _random.Next(-1, 2);
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var deltaX = _random.Next(-1, 2);
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return (startX, startY, deltaY, deltaX);
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}
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L2960: for (var i = 1; i <= 12; i++)
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{
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@@ -269,11 +221,11 @@ L2970: if (hitShipValue[i]>0) { goto L3800; }
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}
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L3000: var shotCount=0;
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L3010: var shotAttempts=0;
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L3020: var (shotX, shotY, _, _) = L2910();
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L3020: var (shotX, shotY, _, _) = GetRandomShipCoordinates();
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L3030: //RESTORE
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var index = 0;
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L3040: var strategyNumber=0;
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L3050: shotAttempts=shotAttempts+1;
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L3050: shotAttempts++;
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L3060: if (shotAttempts>100) { goto L3010; }
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// ensure shot is in range
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L3070: if (shotX>10) { goto L3110; }
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@@ -296,9 +248,9 @@ L3240: //DATA 1,1,-1,1,1,-3,1,1,0,2,-1,1
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var data = new[] { 1,1,-1,1,1,-3,1,1,0,2,-1,1 };
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L3220: //READ X1,Y1
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var (xOffset, yOffset) = (data[index++], data[index++]);
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L3230: strategyNumber=strategyNumber+1;
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L3250: shotX=shotX+xOffset;
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L3260: shotY=shotY+yOffset;
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L3230: strategyNumber++;
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L3250: shotX+=xOffset;
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L3260: shotY+=yOffset;
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// is the shot in range?
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L3270: if (shotX>10) { goto L3210; }
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L3280: if (shotX<1) { goto L3210; }
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@@ -309,10 +261,9 @@ L3310: if (humanGrid[shotX,shotY]>10) { goto L3210; }
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// have we already selected this shot?
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L3320: for (var i = 1; i <= shotCount; i++)
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{
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L3330: if (tempX[i] != shotX) { continue; }
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L3340: if (tempY[i] == shotY) { goto L3210; }
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L3330: if (tempX[i] == shotX && tempY[i] == shotY) { goto L3210; }
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}
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L3360: shotCount=shotCount+1;
|
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L3360: shotCount++;
|
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L3370: goto L3180;
|
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// display shots
|
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L3380: if (seeShotsResponse != "YES") { goto L3420; }
|
||||
@@ -354,16 +305,17 @@ L3610: var shipHits=0;
|
||||
L3620: for (var k = 1; k <= 12; k++)
|
||||
{
|
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L3630: if (hitShipValue[k] != hitShipValue[j]) { continue; }
|
||||
L3640: shipHits=shipHits+1;
|
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L3640: shipHits++;
|
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}
|
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// if ship is not sunk
|
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L3660: if (shipHits != (int)(hitShipValue[j]+.5F)+1+(int)(hitShipValue[j]+.5F)/3) { goto L3470; }
|
||||
// otherwise, remove ship hit records
|
||||
L3670: for (var k = 1; k <= 12; k++)
|
||||
{
|
||||
L3680: if (hitShipValue[k] != hitShipValue[j]) { continue; }
|
||||
L3690: hitTurnRecord[k] = -1;
|
||||
L3700: hitShipValue[k] = -1;
|
||||
L3680: if (hitShipValue[k] == hitShipValue[j])
|
||||
{
|
||||
L3700: hitShipValue[k] = hitTurnRecord[k] = -1;
|
||||
}
|
||||
}
|
||||
L3720: goto L3470;
|
||||
}
|
||||
@@ -379,13 +331,7 @@ L3470: humanGrid[tempX[i],tempY[i]]=10+turnNumber;
|
||||
}
|
||||
L3490: goto L1950;
|
||||
L3800: //REM************************USINGEARRAY
|
||||
L3810: for (var x = 1; x <= 10; x++)
|
||||
{
|
||||
L3820: for (var y = 1; y <= 10; y++)
|
||||
{
|
||||
temp[x,y]=0;
|
||||
}
|
||||
}
|
||||
var temp = new int[11,11];
|
||||
L3860: for (var i = 1; i <= 12; i++)
|
||||
{
|
||||
L3870: if (hitTurnRecord[i]<10) { continue; }
|
||||
@@ -393,18 +339,24 @@ L3880: for (var x = 1; x <= 10; x++)
|
||||
{
|
||||
L3890: for (var y = 1; y <= 10; y++)
|
||||
{
|
||||
L3900: if (humanGrid[x,y]<10) { goto L3930; }
|
||||
L3910: temp[x,y]=-10000000;
|
||||
L3920: continue;
|
||||
L3930: for (var dX = Math.Sign(1-x); dX <= Math.Sign(10-x); dX++)
|
||||
{
|
||||
L3940: for (var dY = Math.Sign(1-y); dY <= Math.Sign(10-y); dY++)
|
||||
L3900: if (humanGrid[x,y]>=10)
|
||||
{
|
||||
L3930: for (var dX = Math.Sign(1-x); dX <= Math.Sign(10-x); dX++)
|
||||
{
|
||||
L3950: if (dY+dX+dY*dX==0) { continue; }
|
||||
L3960: if (humanGrid[x+dX,y+dY] != hitTurnRecord[i]) { continue; }
|
||||
L3970: temp[x,y]=temp[x,y]+hitTurnRecord[i]-y*(int)(hitShipValue[i]+.5F);
|
||||
L3940: for (var dY = Math.Sign(1-y); dY <= Math.Sign(10-y); dY++)
|
||||
{
|
||||
L3950: if (dX == 0 && dY ==0) { continue; }
|
||||
L3960: if (humanGrid[x+dX,y+dY] == hitTurnRecord[i])
|
||||
{
|
||||
L3970: temp[x,y]=temp[x,y]+hitTurnRecord[i]-y*(int)(hitShipValue[i]+.5F);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
L3910: temp[x,y]=-10000000;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -426,10 +378,10 @@ L4120: Q9=i;
|
||||
L4131: if (x>maxShotCount) { goto L4140; }
|
||||
L4132: if (x==y) { goto L4210; }
|
||||
L4140: if (temp[x,y]<temp[tempX[Q9],tempY[Q9]]) { goto L4210; }
|
||||
L4150: for (var M = 1; M <= maxShotCount; M++)
|
||||
L4150: for (var i = 1; i <= maxShotCount; i++)
|
||||
{
|
||||
L4160: if (tempX[M] != x) { break; }
|
||||
L4170: if (tempY[M] == y) { goto L4210; }
|
||||
L4160: if (tempX[i] != x) { break; }
|
||||
L4170: if (tempY[i] == y) { goto L4210; }
|
||||
}
|
||||
L4190: tempX[Q9]=x;
|
||||
L4200: tempY[Q9]=y;
|
||||
@@ -439,4 +391,50 @@ L4210: x=x;// NoOp - NEXT S
|
||||
L4230: goto L3380;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
private (int, int, int, int) GetRandomShipCoordinates()
|
||||
{
|
||||
var startX = _random.Next(1, 11);
|
||||
var startY = _random.Next(1, 11);
|
||||
var deltaY = _random.Next(-1, 2);
|
||||
var deltaX = _random.Next(-1, 2);
|
||||
return (startX, startY, deltaY, deltaX);
|
||||
}
|
||||
|
||||
private (int, int, int, int) GetRandomShipCoordinatesInRange(int shipNumber)
|
||||
{
|
||||
while (true)
|
||||
{
|
||||
var (startX, startY, deltaY, deltaX) = GetRandomShipCoordinates();
|
||||
var shipSizeLessOne = _shipSize[shipNumber] - 1;
|
||||
var endX = startX + deltaX * shipSizeLessOne;
|
||||
var endY = startY + deltaY * shipSizeLessOne;
|
||||
if ((deltaX != 0 || deltaY != 0) && endX>=1 && endX<=10 && endY>=1 && endY<=10)
|
||||
{
|
||||
return (startX, startY, deltaX, deltaY);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
internal static class IOExtensions
|
||||
{
|
||||
internal static (int X, int Y) ReadCoordinates(this IReadWrite io)
|
||||
{
|
||||
var (x, y) = io.Read2Numbers("");
|
||||
return ((int)x, (int)y);
|
||||
}
|
||||
|
||||
internal static (int X, int Y) ReadValidCoordinates(this IReadWrite io)
|
||||
{
|
||||
while (true)
|
||||
{
|
||||
var (x, y) = io.Read2Numbers("");
|
||||
if (x == (int)x && x is >= 1 and <= 10 && y == (int)y && y is >= 1 and <= 10)
|
||||
{
|
||||
return ((int)x, (int)y);
|
||||
}
|
||||
io.WriteLine("ILLEGAL, ENTER AGAIN.");
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user