From b4ef14a7e010c1b468928d29a981fdf6ba700563 Mon Sep 17 00:00:00 2001
From: Charles Cabergs <me@cacharle.xyz>
Date: Sat, 31 Oct 2020 17:25:22 +0100
Subject: Added minesweeper logic, style, settings

---
 utils/minesweeper/script.js | 130 +++++++++++++++++++++++++++++++++++++-------
 1 file changed, 109 insertions(+), 21 deletions(-)

(limited to 'utils/minesweeper/script.js')

diff --git a/utils/minesweeper/script.js b/utils/minesweeper/script.js
index 5679d75..059efdf 100644
--- a/utils/minesweeper/script.js
+++ b/utils/minesweeper/script.js
@@ -1,31 +1,119 @@
-const height = 10
-const width = 10
-const mine_rate = 0.30
+let height    = 10
+let width     = 10
+let mine_rate = 0.10
+let timer     = undefined
 
 let mines = []
 let visited = []
 
-for (i = 0; i < height; i++) {
-  mines.push(new Array(width))
-  visited.push(new Array(width))
-  for (j = 0; j < width; j++) {
-    mines[i][j] = Math.random() < mine_rate ? -1 : 0;
-    visited[i][j] = false;
-  }
+let running = false
+
+function isValidPos(y, x) {
+    return y >= 0 && y < height && x >= 0 && x < width
+}
+
+function* neighboursGenerator(y, x) {
+    for (let i = -1; i <= 1; i++) {
+        for (let j = -1; j <= 1; j++) {
+            if (i === 0 && j === 0)
+                continue
+            let ret = [y + i, x + j]
+            if (!isValidPos(...ret))
+                continue
+            yield ret
+        }
+    }
 }
 
-canvas = document.getElementById("minesweeper-canvas")
-context = canvas.getContext("2d")
-console.log(context)
+let cells = []
+
+function floodFill(y, x) {
+    visited[y][x] = true
+    let cell = cells[y][x]
+    cell.classList.add("visited")
+    if (mines[y][x] !== 0)
+        cell.textContent = mines[y][x]
+    switch (mines[y][x]) {
+        case 1: cell.style.color = "blue";     break
+        case 2: cell.style.color = "green";    break
+        case 3: cell.style.color = "red";      break
+        case 4: cell.style.color = "darkblue"; break
+        case 5: cell.style.color = "brown";    break
+        case 6: cell.style.color = "cyan";     break
+        case 7: cell.style.color = "black";    break
+        case 8: cell.style.color = "grey";     break
+    }
+    if (mines[y][x] !== 0)
+        return
+    for (let [ny, nx] of neighboursGenerator(y, x))
+        if (!visited[ny][nx])
+            floodFill(ny, nx)
+}
+
+function initGrid() {
+    let table = document.getElementById("minesweeper-table")
+    table.innerHTML = ""
+
+    width     = document.getElementById("minesweeper-width").value
+    height    = document.getElementById("minesweeper-height").value
+    mine_rate = document.getElementById("minesweeper-mine-rate").value / 100
 
-const cell_width  = canvas.width  / width
-const cell_height = canvas.height / height
-const cell_size   = Math.min(cell_width, cell_height)
+    mines   = []
+    visited = []
+    cells   = []
 
-for (i = 0; i < height; i++) {
-  for (j = 0; j < width; j++) {
-    context.strokeRect(cell_size * j, cell_size * i, cell_size, cell_size);
-  }
+    for (let i = 0; i < height; i++) {
+        mines.push(new Array(width))
+        visited.push(new Array(width))
+        for (let j = 0; j < width; j++) {
+            mines[i][j] = Math.random() < mine_rate ? -1 : 0;
+            visited[i][j] = false;
+        }
+    }
+
+    // count neighbour mines
+    for (let i = 0; i < height; i++) {
+        for (let j = 0; j < width; j++) {
+            if (mines[i][j] === -1)
+                continue
+            mines[i][j] =
+                [...neighboursGenerator(i, j)]
+                .filter(([y, x]) => mines[y][x] === -1)
+                .length
+        }
+    }
+
+    for (let i = 0; i < height; i++) {
+        cells.push([])
+        let table_row = document.createElement("tr")
+        for (let j = 0; j < width; j++) {
+            let table_cell = document.createElement("td")
+            let cell = document.createElement("button")
+            cell.textContent = ""
+            cell.addEventListener("click", () => floodFill(i, j))
+            cells[i].push(cell)
+            table_cell.appendChild(cell)
+            table_row.appendChild(table_cell)
+        }
+        table.appendChild(table_row)
+    }
+}
+
+for (input of document.querySelectorAll("#minesweeper-settings input")) {
+    input.addEventListener("input", () => initGrid())
 }
 
-// canvas.addEventListener("click", () => {})
+function toggleRunning() {
+    running         = !running
+    settings        = document.getElementById("minesweeper-settings")
+    info            = document.getElementById("minesweeper-game-info")
+    settings.hidden = !settings.hidden
+    info.hidden     = !info.hidden
+    // if (timer === undefined) {
+    // }
+}
+
+document.getElementById("minesweeper-start").addEventListener("click", toggleRunning)
+document.getElementById("minesweeper-stop") .addEventListener("click", toggleRunning)
+
+initGrid()
-- 
cgit