// Recursively add danger to the 2D array
void addDangerToBlockAndNeighbors(int i, int j, WeaponType type, float probability, int ammo,
bool facingRight, BlockWorld blockWorld, bool isFalling = false)
{
// Base cases
if (probability < epsilon)
{
return;
}
if (ammo == 0)
{
return; // Master mode has negative ammo - do not return
}
// Blow out ground if there is any at the current position. If there is
if (blockWorld.CheckGroundByIndex(i, j))
{
// Another base case for immutable ground
bool immutable = blockWorld.CheckGroundImmutableByIndex(i, j);
if (immutable)
{
return; // End of the line
}
// Blow out ground otherwise
blockWorld.SetGroundByIndex(i, j, false);
addDangerToBlockAndNeighbors(i, j, type, probability * groundBlowoutFactor, ammo - 1,
facingRight, blockWorld);
return;
}
else
{
int normalized = facingRight ? -1 : 1;
switch (type)
{
case WeaponType.Rockets: {
addDanger(i, j, probability * RocketsDangerWeight);
addDangerToBlockAndNeighbors(i + normalized, j, type, probability, ammo,
facingRight, blockWorld);
break;
}
case WeaponType.Bombs: {
addDanger(i, j, probability * BombsDangerWeight);
addDangerToBlockAndNeighbors(i, j + 1, type, probability, ammo, facingRight, blockWorld);
break;
}
case WeaponType.Minions: {
addDanger(i, j, probability * MinionsDangerWeight);
bool groundDown = blockWorld.CheckGroundByIndex(i, j + 1);
bool groundRight = blockWorld.CheckGroundByIndex(i + normalized, j);
bool goRight = false;
bool goDown = false;
// Do natural motion - right first unless hasn't fallen
if (!groundRight && !groundDown)
{
if (isFalling && blockWorld.CheckGroundByIndex(i + normalized, j + 1))
{
goRight = true;
}
else
{
goDown = true;
}
}
else if (!groundRight && groundDown)
{
goRight = true;
}
else if (groundRight && !groundDown)
{
goDown = true;
}
else
{
// Block worlds diverge, so make a new one
BlockWorld newBlockWorld = blockWorld.Clone();
// Go both directions
addDangerToBlockAndNeighbors(i + normalized, j, type, probability / 2.0f,
ammo, facingRight, blockWorld, false);
addDangerToBlockAndNeighbors(i, j + 1, type, probability / 2.0f,
ammo, facingRight, newBlockWorld, true);
}
// Do sole motions
if (goRight)
{
addDangerToBlockAndNeighbors(i + normalized, j, type, probability,
ammo, facingRight, blockWorld, false);
return;
}
if (goDown)
{
addDangerToBlockAndNeighbors(i, j + 1, type, probability,
ammo, facingRight, blockWorld, true);
return;
}
break;
}
}
}
}