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Be more explicit with cell values

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This commit is contained in:
Topher Lamey
2021-02-27 22:07:45 -07:00
parent 59369f93ed
commit 7c28a2216b
1 changed files with 46 additions and 40 deletions
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86
02 Amazing/java/Amazing.java
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@@ -20,6 +20,13 @@ public class Amazing {
GO_DOWN,
}
final static int FIRST_COL = 0;
final static int FIRST_ROW = 0;
final static int EXIT_UNSET = 0;
final static int EXIT_DOWN = 1;
final static int EXIT_RIGHT = 2;
public void play() {
out.println(tab(28) + "AMAZING PROGRAM");
out.println(tab(15) + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY");
@@ -37,29 +44,11 @@ public class Amazing {
} while (width < 1 || length < 1);
Integer[][] used = new Integer[length][width];
for (int i=0; i < length; i++) {
used[i] = new Integer[width];
for (int j = 0; j < width; j++) {
used[i][j] = 0;
}
}
Integer[][] walls = buildGrid(width, length);
Integer[][] used = buildGrid(width, length);
Integer[][] walls = new Integer[length][width];
for (int i=0; i < length; i++) {
walls[i] = new Integer[width];
for (int j = 0; j < width; j++) {
walls[i][j] = 0;
}
}
int EXIT_DOWN = 1;
int EXIT_RIGHT = 2;
int FIRST_COL = 0;
int LAST_COL = width - 1;
int FIRST_ROW = 0;
int LAST_ROW = length - 1;
int lastCol = width - 1;
int lastRow = length - 1;
int enterCol = random(0, width);
int col = enterCol;
@@ -72,20 +61,7 @@ public class Amazing {
count++;
while (count != totalWalls) {
ArrayList<Direction> possibleDirs = new ArrayList<>(Arrays.asList(Direction.values()));
if (col == FIRST_COL || 0 != used[row][col - 1]) {
possibleDirs.remove(Direction.GO_LEFT);
}
if (row == FIRST_ROW || 0 != used[row - 1][col]) {
possibleDirs.remove(Direction.GO_UP);
}
if (col == LAST_COL || 0 != used[row][col + 1]) {
possibleDirs.remove(Direction.GO_RIGHT);
}
if (row == LAST_ROW || 0 != used[row + 1][col]) {
possibleDirs.remove(Direction.GO_DOWN);
}
ArrayList<Direction> possibleDirs = getPossibleDirs(used, lastCol, lastRow, col, row);
if (possibleDirs.size() != 0) {
Direction direction = possibleDirs.get(random(0, possibleDirs.size()));
@@ -106,9 +82,9 @@ public class Amazing {
count++;
} else {
do {
if (col != width - 1) {
if (col != lastCol) {
col++;
} else if (row != length - 1) {
} else if (row != lastRow) {
row++;
col = 0;
} else {
@@ -123,6 +99,7 @@ public class Amazing {
row = length - 1;
walls[row][col] = walls[row][col] + 1;
// top line
for (int i=0; i < width; i++) {
if (i == enterCol) {
out.print(". ");
@@ -135,7 +112,7 @@ public class Amazing {
for (int i=0; i < length; i++) {
out.print("I");
for (int j = 0; j < width; j++) {
if (walls[i][j] < 2) {
if (walls[i][j] == EXIT_UNSET || walls[i][j] == EXIT_DOWN) {
out.print(" I");
} else {
out.print(" ");
@@ -143,7 +120,7 @@ public class Amazing {
}
out.println();
for (int j = 0; j < width; j++) {
if (walls[i][j] == 0 || walls[i][j] == 2) {
if (walls[i][j] == EXIT_UNSET || walls[i][j] == EXIT_RIGHT) {
out.print(":--");
} else {
out.print(": ");
@@ -153,6 +130,35 @@ public class Amazing {
}
}
private Integer[][] buildGrid(int width, int length) {
Integer[][] grid = new Integer[length][width];
for (int i=0; i < length; i++) {
grid[i] = new Integer[width];
for (int j = 0; j < width; j++) {
grid[i][j] = EXIT_UNSET;
}
}
return grid;
}
private ArrayList<Direction> getPossibleDirs(Integer[][] used, int lastCol, int lastRow, int col, int row) {
ArrayList<Direction> possibleDirs = new ArrayList<>(Arrays.asList(Direction.values()));
if (col == FIRST_COL || 0 != used[row][col - 1]) {
possibleDirs.remove(Direction.GO_LEFT);
}
if (row == FIRST_ROW || 0 != used[row - 1][col]) {
possibleDirs.remove(Direction.GO_UP);
}
if (col == lastCol || 0 != used[row][col + 1]) {
possibleDirs.remove(Direction.GO_RIGHT);
}
if (row == lastRow || 0 != used[row + 1][col]) {
possibleDirs.remove(Direction.GO_DOWN);
}
return possibleDirs;
}
private String displayTextAndGetInput(String text) {
out.print(text);
return kbScanner.next();