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Code along with Auberon during class #2

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Code along with Auberon during class
TiaMarieG May 6, 2025
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TiaMarieG May 6, 2025
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136 changes: 72 additions & 64 deletions src/main/java/io/github/auberonedu/equalsLivecode/App.java
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Original file line number Diff line number Diff line change
Expand Up @@ -11,78 +11,86 @@ public static void main(String[] args) {
// To start, look at Centroid.java
// BEFORE running the code, make a prediction of what the following will print:

Centroid locA = new Centroid(4, 9, "Salamander");
Centroid locB = new Centroid(4, 9, "Salamander");
// Centroid locA = new Centroid(4, 9, "Salamander");
// Centroid locB = new Centroid(4, 9, "Salamander");
// Centroid locC = locA;

System.out.println("Result of locA == locB " + (locA == locB));
System.out.println("Result of locA.equals(locB) " + locA.equals(locB));
// System.out.println("Result of locA == locB" + (locA == locB));
// System.out.println("Result of locA.equals(locB) " + locA.equals(locB));

videoDemo();
// Set<Centroid> centroids = new HashSet<>();
// centroids.add(locA);
// System.out.println(centroids.contains(locB));

Location a = new Location(5, 1, "food");
Location b = new Location(5, 1, "food");

System.out.println(a.equals(b));

// videoDemo();
}

// We will look at this a bit later in the livecode, please ignore for first part
// We will look at this a bit later in the livecode, please ignore for first
// part
public static void videoDemo() {
List<char[][]> video = List.of(
// Frame 0: Salamander is at [2, 3] (all locations in [row, column] format)
// Food is at [4, 5]
new char[][]{{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','s','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','f','.',},
{'.','.','.','.','.','.','.',}},

// Frame 2: Salamander is at [2, 4]
// Food is at [4, 5]
new char[][]{{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','s','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','f','.',},
{'.','.','.','.','.','.','.',}},

// Frame 3: Salamander is at [2, 4] (it didn't move)
// Food is at [4, 5]
new char[][]{{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','s','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','f','.',},
{'.','.','.','.','.','.','.',}},


// Frame 4: Salamander is at [3, 4]
// Food is at [4, 5]
new char[][]{{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','s','.','.',},
{'.','.','.','.','.','f','.',},
{'.','.','.','.','.','.','.',}},

// Frame 5: Salamander is at [4, 4]
// Food is at [4, 5]
new char[][]{{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','s','f','.',},
{'.','.','.','.','.','.','.',}},

// Frame 6: Salamander is at [4, 5]
// No food present (the salamander ate it!)
new char[][]{{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','.','.',},
{'.','.','.','.','.','s','.',},
{'.','.','.','.','.','.','.',}}
);
// Frame 0: Salamander is at [2, 3] (all locations in [row, column] format)
// Food is at [4, 5]
new char[][] { { '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', 's', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', 'f', '.', },
{ '.', '.', '.', '.', '.', '.', '.', } },

// Frame 2: Salamander is at [2, 4]
// Food is at [4, 5]
new char[][] { { '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', 's', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', 'f', '.', },
{ '.', '.', '.', '.', '.', '.', '.', } },

// Frame 3: Salamander is at [2, 4] (it didn't move)
// Food is at [4, 5]
new char[][] { { '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', 's', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', 'f', '.', },
{ '.', '.', '.', '.', '.', '.', '.', } },

// Frame 4: Salamander is at [3, 4]
// Food is at [4, 5]
new char[][] { { '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', 's', '.', '.', },
{ '.', '.', '.', '.', '.', 'f', '.', },
{ '.', '.', '.', '.', '.', '.', '.', } },

// Frame 5: Salamander is at [4, 4]
// Food is at [4, 5]
new char[][] { { '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', 's', 'f', '.', },
{ '.', '.', '.', '.', '.', '.', '.', } },

// Frame 6: Salamander is at [4, 5]
// No food present (the salamander ate it!)
new char[][] { { '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', '.', '.', },
{ '.', '.', '.', '.', '.', 's', '.', },
{ '.', '.', '.', '.', '.', '.', '.', } });

Map<String, Character> legend = Map.of(
"Salamander", 's',
"Food", 'f'
);
"Salamander", 's',
"Food", 'f');

Finder finder = new Finder(legend);
Set<Centroid> salamanderLocations = finder.allLocations(video, "Salamander");
Expand Down
55 changes: 55 additions & 0 deletions src/main/java/io/github/auberonedu/equalsLivecode/Centroid.java
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Original file line number Diff line number Diff line change
Expand Up @@ -22,4 +22,59 @@ public int getC() {
public String getName() {
return name;
}

@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + r;
result = prime * result + c;
result = prime * result + ((name == null) ? 0 : name.hashCode());
return result;
}

@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Centroid other = (Centroid) obj;
if (r != other.r)
return false;
if (c != other.c)
return false;
if (name == null) {
if (other.name != null)
return false;
} else if (!name.equals(other.name))
return false;
return true;
}

// @Override
// public boolean equals(Object o) {
// if(o == null) return false;
// if(getClass() != o.getClass()) return false;

// // If we've gotten to this point then we know that o is a Centroid so we can cast it to a Centroid
// // and start treating it as a Centroid
// Centroid other = (Centroid) o;

// // If we don't have the same row
// if (r != other.r) return false;
// // If we don't have the same col
// if(c != other.c) return false;

// if(name == null) {
// // We add this return true because by this point we have determined that everything matches so we can return
// if(other.name == null) return true;
// if(other.name != null) return false;
// }
// if(!name.equals(other.name)) return false;

// return true;
// }
}
5 changes: 5 additions & 0 deletions src/main/java/io/github/auberonedu/equalsLivecode/Location.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
package io.github.auberonedu.equalsLivecode;

public record Location(int x, int y, String label) {

}