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Apply nullability

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This commit is contained in:
Valeriano A.R.
2024-12-02 01:37:52 +01:00
parent dafd2526d1
commit e440e7aae1
27 changed files with 125 additions and 101 deletions
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22
AdventOfCode2018/Day15.cs
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@@ -444,9 +444,9 @@ public class Day15 : IDay
private int _width;
private int _height;
private char[,] _map;
private List<Entity> _entities;
private BreadthFirstSearchGrid _search;
private char[,] _map = new char[0, 0];
private readonly List<Entity> _entities = [];
private BreadthFirstSearchGrid? _search;
private int _rounds;
private void Init(string[] inputs)
@@ -454,7 +454,7 @@ public class Day15 : IDay
_height = inputs.Length;
_width = inputs.Max(input => input.Length);
_map = new char[_width, _height];
_entities = new List<Entity>();
_entities.Clear();
for (int j = 0; j < _height; j++)
{
for (int i = 0; i < _width; i++)
@@ -509,7 +509,7 @@ public class Day15 : IDay
.ThenBy(e => e.X);
}
private Entity GetBestInRangeTarget(Entity entity, IEnumerable<Entity> targets)
private Entity? GetBestInRangeTarget(Entity entity, IEnumerable<Entity> targets)
{
return targets
.Where(entity.InRangeOf)
@@ -521,6 +521,7 @@ public class Day15 : IDay
private void AddTarget(List<Target> targets, int targetX, int targetY, int priority)
{
if (_search == null) { return;}
if (targetX >= 0 && targetX < _width && targetY >= 0 && targetY < _height && _map[targetX, targetY] == '.')
{
int distance = _search.QueryDistance(targetX, targetY);
@@ -538,6 +539,7 @@ public class Day15 : IDay
private void RunBattle()
{
if (_search == null) { return;}
_rounds = 0;
bool running = true;
do
@@ -554,7 +556,7 @@ public class Day15 : IDay
}
// Attack
Entity targetInRange = GetBestInRangeTarget(entity, entitiesTargets);
Entity? targetInRange = GetBestInRangeTarget(entity, entitiesTargets);
if (targetInRange != null)
{
entity.Attack(_map, targetInRange);
@@ -572,7 +574,7 @@ public class Day15 : IDay
AddTarget(targets, entityTarget.X + 1, entityTarget.Y, priority++);
AddTarget(targets, entityTarget.X, entityTarget.Y + 1, priority++);
}
Target bestTarget = targets.OrderBy(t => t.Distance).ThenBy(t => t.Priority).FirstOrDefault();
Target? bestTarget = targets.OrderBy(t => t.Distance).ThenBy(t => t.Priority).FirstOrDefault();
if (bestTarget != null)
{
_search.SearchCharGrid(_map, '.', bestTarget.X, bestTarget.Y);
@@ -594,7 +596,7 @@ public class Day15 : IDay
dirTarget.Distance = _search.QueryDistance(dirTarget.X, dirTarget.Y);
if (dirTarget.Distance >= 0) targets.Add(dirTarget);
Target finalTarget = targets
Target? finalTarget = targets
.OrderBy(t => t.Distance)
.ThenBy(t => t.Priority)
.FirstOrDefault();
@@ -606,7 +608,7 @@ public class Day15 : IDay
entity.MoveTo(_map, finalTarget.X, finalTarget.Y);
// Attack
Entity targetInRangeAfterMove = GetBestInRangeTarget(entity, entitiesTargets);
Entity? targetInRangeAfterMove = GetBestInRangeTarget(entity, entitiesTargets);
if (targetInRangeAfterMove != null)
{
entity.Attack(_map, targetInRangeAfterMove);
@@ -713,7 +715,7 @@ public class Day15 : IDay
}
}
private void ProcessCell(char[,] grid, char empty, Queue<BFSCell> frontier, BFSCell current, int nextX, int nextY)
private void ProcessCell(char[,] grid, char empty, Queue<BFSCell> frontier, BFSCell? current, int nextX, int nextY)
{
if (nextX < 0 || nextX >= _width || nextY < 0 || nextY >= _height) { return; }
if (grid[nextX, nextY] == empty || current == null)