Initial Commit
Edward Peterson
3 years ago
commit
51c110bda5
@ -0,0 +1 @@
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node_modules
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@ -0,0 +1,286 @@
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const chalk = require('chalk')
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var cursorX = 0;
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var cursorY = 0;
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var placing = getRandomBlock(false);
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var board = [];
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var score = 0;
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for (var y = 0; y < 7; y++) {
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board.push([]);
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for (var x = 0; x < 7; x++) {
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board[y].push(0);
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}
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}
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const blocksToPlace = 25;
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const solidRows = 3;
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for (var i = 0;i < solidRows;i++){
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for (var x = 0; x < 7; x++) {
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dropBlock(-2, x);
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}
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}
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for (var i = 0; i < blocksToPlace; i++) {
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dropBlock(getRandomBlock(true), Math.floor(Math.random() * 7));
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}
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const readline = require('readline');
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readline.emitKeypressEvents(process.stdin);
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process.stdin.setRawMode(true);
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process.stdin.on('keypress', (str, key) => {
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if (key.ctrl && key.name === 'c') {
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process.exit();
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} else {
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switch (key.name) {
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case 'left':
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cursorX = Math.max(0, cursorX - 1);
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break;
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case 'right':
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cursorX = Math.min(6, cursorX + 1);
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break;
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case 'up':
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cursorY = Math.max(0, cursorY - 1);
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break;
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case 'down':
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cursorY = Math.min(6, cursorY + 1);
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break;
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case 'enter':
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case 'return':
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const successfullyDropped = dropBlock(placing, cursorX);
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if(successfullyDropped)
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placing = getRandomBlock(false);
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}
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paintBoard();
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}
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});
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console.log('Press any key...');
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function getRandomBlock(canBeSolid) {
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var value = Math.floor(Math.random() * (canBeSolid ? 10 : 8)) - (canBeSolid ? 2 : 0);
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if(value === 0) return getRandomBlock(canBeSolid); //value cannot be 0, try again.
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return value;
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}
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function dropBlock(value, column) {
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//find the lowest point it can sit.
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var yPos = -1;
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for (var y = 6; y >= 0; y--) {
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if (board[y][column] === 0) {
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yPos = y;
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break;
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}
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}
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if (yPos === -1) {
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//cannot place block, column full
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return false;
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}
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board[yPos][column] = value;
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var comboMultiplier = 1;
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var pointsEarned = 0;
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do {
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pointsEarned = detectScoring();
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score += pointsEarned * comboMultiplier;
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shakedownBoard();
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comboMultiplier *= 2;
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} while (pointsEarned > 0);
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return true;
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}
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function detectScoring() {
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//check vertical
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//how tall is each stack?
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var toPop = [];
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for (var x = 0; x < 7; x++) {
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var stackHeight = 7;
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for (var y = 6; y >= 0; y--) {
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if (board[y][x] === 0) {
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stackHeight = 6 - y;
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break;
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}
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}
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if (stackHeight <= 0) continue;
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//are there any in the stack that match the stack height
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var poppingWillOccur = false;
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for (var y = 0; y < 7; y++) {
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if (board[y][x] === stackHeight) {
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toPop.push({ x: x, y: y });
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poppingWillOccur = true;
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}
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}
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if (poppingWillOccur) {
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//break blank blocks by one level
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for (var y = 0; y < 7; y++) {
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if (board[y][x] < 0) {
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toPop.push({ x: x, y: y });
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}
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}
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}
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}
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//check horizontal groups
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for (var y = 6; y >= 0; y--) { //start from the bottom up
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const groups = [[]]
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var buildingGroupIndex = 0;
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for (var x = 0; x < 7; x++) {
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if (groups[buildingGroupIndex].length === 0) {
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//if current group is empty
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if (board[y][x] === 0) continue;
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groups[buildingGroupIndex].push({
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x: x,
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y: y,
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v: board[y][x]
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});
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} else {
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//current group has at least one element in it
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if (board[y][x] === 0) {
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if (x < 6) {
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//if we're not in the last column, create a new group for the next stuff
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buildingGroupIndex++;
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groups.push([]);
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}
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continue;
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} else {
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groups[buildingGroupIndex].push({
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x: x,
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y: y,
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v: board[y][x]
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});
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}
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}
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}
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for (var g = 0; g < groups.length; g++) {
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var popWillOccurrInGroup = false;
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for (var j = 0; j < groups[g].length; j++) {
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if (groups[g].length === groups[g][j].v) {
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popWillOccurrInGroup = true;
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toPop.push({
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x: groups[g][j].x,
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y: groups[g][j].y
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})
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}
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}
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if (popWillOccurrInGroup) {
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for (var j = 0; j < groups[g].length; j++) {
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if (groups[g][j].v < 0) {
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toPop.push({
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x: groups[g][j].x,
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y: groups[g][j].y
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})
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}
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}
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}
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}
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}
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var points = 0;
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for (var j = 0; j < toPop.length; j++) {
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const value = board[toPop[j].y][toPop[j].x]
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if (value < 0) {
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var newValue = value + 1;
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if (newValue === 0) {
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newValue = Math.floor(Math.random() * 7) + 1
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}
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board[toPop[j].y][toPop[j].x] = newValue;
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} else {
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points += board[toPop[j].y][toPop[j].x];
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board[toPop[j].y][toPop[j].x] = 0;
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}
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}
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return points;
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}
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function shakedownBoard() {
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for (var x = 0; x < 7; x++) { //loop through each column
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for (var y = 6; y >= 0; y--) {
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//check to see if we can push this element down
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if (y === 6) continue; // can't push any further than bottom
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const below = board[y + 1][x];
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if (below === 0) {
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//airspace directly below
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//get top of stack index and swap it with current.
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var newPos = -1;
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for (var a = 6; a >= 0; a--) {
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if (board[a][x] === 0) {
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newPos = a;
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break;
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}
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}
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if (newPos === -1) {
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//cannot place block, column full
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system.exit(); // shouldn't ever happen in a shakedown.
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}
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//do the swap
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board[newPos][x] = board[y][x];
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board[y][x] = 0;
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}
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}
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}
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}
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function getBlockColor(value){
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switch(value){
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case 7: return chalk.blue;
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case 6: return chalk.cyanBright;
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case 5: return chalk.magenta;
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case 4: return chalk.red;
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case 3: return chalk.yellow;
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case 2: return chalk.yellowBright;
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case 1: return chalk.greenBright;
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case 0: return chalk.black;
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case -1: return chalk.white;
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case -2: return chalk.white;
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}
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}
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function paintBoard() {
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console.clear();
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//paint the placing row;
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for(var x = 0;x < 7;x++)
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if(x === cursorX)
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process.stdout.write(`${placing} `);
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else
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process.stdout.write(' '); //semi solid
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process.stdout.write('\n');
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for (var y = 0; y < 7; y++) {
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for (var x = 0; x < 7; x++) {
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var charToPrint = ' ';
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switch (board[y][x]) {
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case 0:
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charToPrint = ' ';
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break;
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case -1:
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charToPrint = '\u2591'; //semi solid
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break;
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case -2:
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charToPrint = '\u2593'; // dark block
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break;
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default:
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charToPrint = `${board[y][x]}`
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}
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process.stdout.write(`${getBlockColor(board[y][x])(charToPrint)} `)
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}
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process.stdout.write('\n');
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}
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process.stdout.write('-------------\n\nScore: ' + score + '\n');
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}
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paintBoard();
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@ -0,0 +1,51 @@
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{
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"name": "drop7",
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"version": "1.0.0",
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"lockfileVersion": 1,
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"requires": true,
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"dependencies": {
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"ansi-styles": {
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"version": "4.3.0",
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"resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
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"integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
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"requires": {
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"color-convert": "^2.0.1"
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}
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},
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"chalk": {
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"version": "4.1.2",
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"resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
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"integrity": "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==",
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"requires": {
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"ansi-styles": "^4.1.0",
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"supports-color": "^7.1.0"
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}
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},
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"color-convert": {
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"version": "2.0.1",
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"resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
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"integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
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"requires": {
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"color-name": "~1.1.4"
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}
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},
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"color-name": {
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"version": "1.1.4",
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"resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
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"integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
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},
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"has-flag": {
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"version": "4.0.0",
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"resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
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"integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ=="
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},
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"supports-color": {
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"version": "7.2.0",
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"resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
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"integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
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"requires": {
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"has-flag": "^4.0.0"
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}
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}
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}
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}
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@ -0,0 +1,14 @@
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{
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"name": "drop7",
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"version": "1.0.0",
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"description": "Drop 7 Game",
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"main": "index.js",
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"scripts": {
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"test": "echo \"Error: no test specified\" && exit 1"
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},
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"author": "Edward Peterson",
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"license": "ISC",
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"dependencies": {
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"chalk": "^4.1.2"
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}
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}
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