private void AnalyseCell(GridCellMembership me, int x, int y, ref int totalNeighbourCount, ref int newSourceDistance, ref GridCellMembership support, ref int occupyCount, ref GridCellMembership attack)
{
if (wrapMode == GameWrapMode.Donut)
{
x = (x + tileCountX) % tileCountX;
y = (y + tileCountY) % tileCountY;
}
totalNeighbourCount++;
if (me.Fraction != null && _grid[x, y].Fraction == me.Fraction && _grid[x, y].SourceDistance + 1 < newSourceDistance)
{
newSourceDistance = _grid[x, y].SourceDistance + 1;
}
if (_grid[x, y].Fraction != null && me.Fraction == _grid[x, y].Fraction && _grid[x, y].SourceDistance <SRC_DIST_INF && _grid[x, y].PowerCurr> MIN_TRANSFER_POWER && (support == null || support.SourceDistance > _grid[x, y].SourceDistance))
{
support = _grid[x, y];
}
if (_grid[x, y].Fraction != null && !_grid[x, y].Fraction.IsNeutral)
{
occupyCount++;
}
if (_grid[x, y].Fraction != null && me.Fraction != _grid[x, y].Fraction && _grid[x, y].SourceDistance <SRC_DIST_INF && _grid[x, y].PowerCurr> MIN_TRANSFER_POWER && (attack == null || attack.SourceDistance > _grid[x, y].SourceDistance))
{
attack = _grid[x, y];
}
}
private void Initialize()
{
for (int x = 0; x < tileCountX; x++)
{
for (int y = 0; y < tileCountY; y++)
{
_grid[x, y] = new GridCellMembership();
_grid[x, y].DifficultyMod = 1 + FloatMath.Sin(FloatMath.GetRandom() * FloatMath.RAD_POS_360) * RANDOM_MOD_FACTOR;
if (wrapMode != GameWrapMode.Donut)
{
if (x == 0)
{
_grid[x, y].BlockWest = true;
}
if (y == 0)
{
_grid[x, y].BlockNorth = true;
}
if (x == tileCountX - 1)
{
_grid[x, y].BlockEast = true;
}
if (y == tileCountY - 1)
{
_grid[x, y].BlockSouth = true;
}
}
}
}
}
private void UpdateCell(int x, int y, SAMTime gameTime)
{
GridCellMembership me = _grid[x, y];
int totalNeighbourCount = 0;
int newSourceDistance = SRC_DIST_INF;
int occupyCount = 0;
GridCellMembership support = null;
GridCellMembership attack = null;
if (!_grid[x, y].BlockNorth)
{
AnalyseCell(me, x + 0, y - 1, ref totalNeighbourCount, ref newSourceDistance, ref support, ref occupyCount, ref attack);
}
if (!_grid[x, y].BlockEast)
{
AnalyseCell(me, x + 1, y + 0, ref totalNeighbourCount, ref newSourceDistance, ref support, ref occupyCount, ref attack);
}
if (!_grid[x, y].BlockSouth)
{
AnalyseCell(me, x + 0, y + 1, ref totalNeighbourCount, ref newSourceDistance, ref support, ref occupyCount, ref attack);
}
if (!_grid[x, y].BlockWest)
{
AnalyseCell(me, x - 1, y + 0, ref totalNeighbourCount, ref newSourceDistance, ref support, ref occupyCount, ref attack);
}
if (totalNeighbourCount == 0)
{
// pathological Case
me.SourceDistance = SRC_DIST_INF;
me.Fraction = null;
me.PowerNext = 0f;
return;
}
// [1] update SourceDistance
if (newSourceDistance <= _grid[x, y].SourceDistance)
{
_grid[x, y].SourceDistance = newSourceDistance;
}
else
{
_grid[x, y].SourceDistance = SRC_DIST_INF;
}
// [2] update Power
if (support == null && attack == null)
{
if (occupyCount < totalNeighbourCount)
{
// border of unsupported island
DrainPower(x, y, gameTime.ElapsedSeconds * CELL_DECAY_SPEED);
}
else
{
// center of unsupported island
}
}
else if (support != null && attack == null)
{
//improv agains none
GainPower(support.Fraction, x, y, gameTime.ElapsedSeconds * CELL_OCCUPY_SPEED);
}
else if (support != null && attack != null && attack.SourceDistance > support.SourceDistance)
{
//improv against enemy
GainPower(support.Fraction, x, y, gameTime.ElapsedSeconds * CELL_ATTACK_SPEED);
}
else if (support == null && attack != null)
{
//loose with no support
GainPower(attack.Fraction, x, y, gameTime.ElapsedSeconds * CELL_DECAY_SPEED);
}
else if (support != null && attack != null && attack.SourceDistance < support.SourceDistance)
{
//loose with against enemy
GainPower(attack.Fraction, x, y, gameTime.ElapsedSeconds * CELL_ATTACK_SPEED);
}
else if (support != null && attack != null && attack.SourceDistance == support.SourceDistance)
{
//contested cell
if (_grid[x, y].PowerCurr > MIN_NEUTRALIZE_POWER || _grid[x, y].IsNeutralDraining)
{
// drain
_grid[x, y].IsNeutralDraining = true;
GainPower(attack.Fraction, x, y, gameTime.ElapsedSeconds * CELL_NEUTRALIZE_SPEED);
}
else
{
//gain
GainPower(support.Fraction, x, y, gameTime.ElapsedSeconds * CELL_NEUTRALIZE_SPEED);
}
}
}