soviet-matrix:0.2.1 (#3002)

Author: YouXam

packages/preview/soviet-matrix/0.2.1/LICENSE

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+MIT License
+
+Copyright (c) 2024 YouXam
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

packages/preview/soviet-matrix/0.2.1/README.md

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+# soviet-matrix
+
+This is a classic Tetris game implemented using Typst. The goal is to manipulate falling blocks to create and clear horizontal lines without letting the blocks stack up to the top of the playing field.
+
+![](./demo.gif)
+
+## How to Play
+
+You can play the game in two ways:
+
+1. **Online:**
+   - Visit [https://typst.app/app?template=soviet-matrix&version=latest](https://typst.app/app?template=soviet-matrix&version=latest).
+   - Enter any title of your choice and click **Create**.
+
+2. **Locally:**
+   - Open your command line interface.
+   - Run the following command:
+     ```bash
+     typst init @preview/soviet-matrix
+     ```
+   - Typst will create a new directory.
+   - Open `main.typ` in the created directory.
+   - Use the [Tinymist Typst VS Code extension](https://marketplace.visualstudio.com/items/?itemName=myriad-dreamin.tinymist) for live preview and gameplay.
+
+Enjoy the game!
+
+
+## Controls
+
+- Move Left: a
+- Move Right: d
+- Soft Drop: s
+- Hard Drop: f
+- Rotate Left: q
+- Rotate Right: e
+- 180-degree Rotate: w
+- Hold Piece: c
+
+## Changing the Game Seed
+
+If you want to play different game scenarios, you can change the game seed using the following method:
+
+```typst
+#import "@preview/soviet-matrix:0.2.1": game
+#show: game.with(seed: 123) // Change the game seed
+```
+
+Replace `123` with any number of your choice.
+
+## Changing Key Bindings
+
+Modify the `actions` parameter in the `game.with` method to change the key bindings. The default key bindings are as follows:
+
+
+```typst
+#show: game.with(seed: 0, actions: (
+  left: ("a", ),
+  right: ("d", ),
+  down: ("s", ),
+  left-rotate: ("q", ),
+  right-rotate: ("e", ),
+  half-turn: ("w", ),
+  fast-drop: ("f", ),
+  hold-mino: ("c", ),
+))
+```
+

packages/preview/soviet-matrix/0.2.1/demo.gif

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+#import "@preview/suiji:0.4.0": gen-rng, choice, shuffle
+#import "mino/tetris.typ": render-field
+
+#let parse-actions(body) = {
+  let extract(it) = {
+    ""
+    if it == [ ] {
+      " "
+    } else if it.func() == text {
+      it.text
+    } else if it.func() == [].func() {
+      it.children.map(extract).join()
+    }
+  }
+  extract(body).clusters().map(lower)
+}
+
+#let minoes = (("ZZ_", "_ZZ"), ("OO", "OO"), ("_SS", "SS_"), ("IIII",), ("__L", "LLL"), ("J__", "JJJ"), ("_T_", "TTT"))
+
+#let shuffle-minoes(rng) = {
+  let indices = range(minoes.len())
+  let (rng-after-shuffle, shuffled) = shuffle(rng, indices)
+  (rng-after-shuffle, shuffled.map(i => minoes.at(i)))
+}
+
+#let create-mino(mino, cols, rows) = {
+  let width = calc.max(..mino.map(it => it.len()))
+  (
+    mino: mino,
+    pos: (x: calc.floor(cols / 2) - calc.floor(width / 2) - 1, y: rows + 1),
+    height: mino.len(),
+    width: width,
+    index: minoes.position((value)=>{value==mino})
+  )
+}
+
+#let new-mino(rng, bag, cols, rows) = {
+  let mino-bag = bag
+  let rng-before-draw = rng
+  let mino = none
+  let bag-before-draw = mino-bag
+  let rng-after-bag = rng-before-draw
+  let bag-after-bag = bag-before-draw
+  if mino-bag.len() == 0 {
+    let (rng-after-shuffle, new-bag) = shuffle-minoes(rng-before-draw)
+    bag-after-bag = new-bag
+    rng-after-bag = rng-after-shuffle
+  }
+  mino = bag-after-bag.at(0)
+  let bag-after-draw = bag-after-bag.slice(1, bag-after-bag.len())
+  (rng-after-bag, bag-after-draw, create-mino(mino, cols, rows))
+}
+
+#let render-map(map, bg-color: rgb("#f3f3ed")) = {
+  let map = map.map(it => it.join(""))
+  render-field(map, rows: map.len(), cols: calc.max(..map.map(it => it.len())), bg-color: bg-color, radius: 0pt)
+}
+
+#let check-collision(state, cols: 10, rows: 20) = {
+  if state.current.pos.x < 0 or state.current.pos.y - state.current.height + 1 < 0 or state.current.pos.x + state.current.width > cols {
+    return true
+  }
+
+  for y in range(state.current.mino.len()) {
+    for x in range(state.current.mino.at(y).len()) {
+      if state.current.mino.at(y).at(x) != "_" and state.map.at(state.current.pos.y - y).at(state.current.pos.x + x) != "_" {
+        return true
+      }
+    }
+  }
+  false
+}
+
+#let try-move(state, cols: 10, rows: 20, dx: 0, dy: 0) = {
+  state.current.pos = (x: state.current.pos.x + dx, y: state.current.pos.y + dy)
+  not check-collision(state, cols: cols, rows: rows)
+}
+
+#let rotate-clockwise(mino) = {
+  let center = (x: mino.pos.x + calc.floor(mino.width / 2), y: mino.pos.y - calc.floor(mino.height / 2))
+
+  let new-mino = range(mino.width).map(_ => "")
+  for y in range(mino.mino.len() - 1, -1, step: -1) {
+    for x in range(mino.mino.at(y).len()) {
+      new-mino.at(x) += mino.mino.at(y).at(x)
+    }
+  }
+
+  (
+    mino: new-mino,
+    pos: (x: center.x - calc.floor(mino.height / 2), y: center.y + calc.floor(mino.width / 2)),
+    height: mino.width,
+    width: mino.height,
+    index: mino.index,
+  )
+}
+
+#let rotate(state, cols: 10, rows: 20, angle: 0) = {
+  let next-state = state
+  for _ in range(angle) {
+    next-state.current = rotate-clockwise(next-state.current)
+  }
+  if check-collision(next-state, cols: cols, rows: rows) {
+    state
+  } else {
+    next-state
+  }
+}
+
+#let move(state, cols: 10, rows: 20, dx: 0, dy: 0) = {
+  if try-move(state, cols: cols, rows: rows, dx: dx, dy: dy) {
+    state.current.pos.x += dx
+    state.current.pos.y += dy
+    (state, true)
+  } else {
+    (state, false)
+  }
+}
+
+#let hold(state, cols: 10, rows: 20) = {
+  if state.can-hold == false {
+    return state
+  }
+  state.can-hold = false
+  if state.hold == none {
+    state.hold = create-mino(minoes.at(state.current.index), cols, rows)
+    state.current = state.next
+    (state.rng, state.mino-bag, state.next) = new-mino(state.rng, state.mino-bag, cols, rows)
+  } else {
+    let hold-mino = state.hold
+    state.hold = create-mino(minoes.at(state.current.index), cols, rows)
+    state.current = hold-mino
+  }
+  return state
+}
+
+#let render(state, cols: 10, rows: 20) = {
+  let map = state.map
+
+  if not state.end {
+    let pos = state.current.pos
+
+    while true {
+      if try-move(state, cols: cols, rows: rows, dy: -1) {
+        state.current.pos.y -= 1
+      } else {
+        break
+      }
+    }
+
+    for y in range(state.current.mino.len()) {
+      for x in range(state.current.mino.at(y).len()) {
+        if state.current.mino.at(y).at(x) != "_" {
+          map.at(state.current.pos.y - y).at(state.current.pos.x + x) = lower(state.current.mino.at(y).at(x))
+        }
+      }
+    }
+
+    for y in range(state.current.mino.len()) {
+      for x in range(state.current.mino.at(y).len()) {
+        if state.current.mino.at(y).at(x) != "_" {
+          map.at(pos.y - y).at(pos.x + x) = state.current.mino.at(y).at(x)
+        }
+      }
+    }
+  }
+
+  let main = state.map.slice(0, state.map.len() - 2)
+
+  grid(columns: 2, gutter: 5pt, block(height: rows * 10pt, width: cols * 10pt, {
+    place(
+      top + left,
+      dy: 40pt,
+      dx: 2pt,
+      block(stroke: luma(80%) + 0.5pt, radius: 2pt, inset: 0pt, fill: tiling(size: (10pt, 10pt))[
+        #box(stroke: 0.1pt + luma(50%), width: 100%, height: 100%, fill: rgb("#f3f3ed")),
+      ], height: rows * 10pt, width: cols * 10pt),
+    )
+    place(top + left, render-map(map, bg-color: white.transparentize(100%)))
+  }), pad(top: 40pt, [
+    #set block(spacing: 3pt)
+    #block(height: 6em, width: 6em, stroke: luma(80%) + 0.5pt, radius: 2pt, [
+      #set block(spacing: 0pt)
+      #if state.end [
+        #align(center + horizon)[
+          *Game Over*
+        ]
+      ] else [
+        #pad(top: 2pt, left: 3pt, bottom: 0pt, [*Next*])
+        #align(center + horizon)[
+          #render-map(state.next.mino.map(it => it.split("")).rev(), bg-color: white.transparentize(100%))
+        ]
+      ]
+    ])
+    #block(height: 4em, width: 6em, stroke: luma(80%) + 0.5pt, radius: 2pt, [
+      #set block(spacing: 0pt)
+      #pad(top: 2pt, left: 3pt, bottom: 0pt, [*Hold*])
+      #if state.hold != none [
+        #align(center + horizon)[
+          #render-map(state.hold.mino.map(it => it.split("")).rev(), bg-color: white.transparentize(100%))
+        ]
+      ] else [
+        #align(center + horizon)[
+          None
+        ]
+      ]
+    ])
+    #block(height: 4em, width: 6em, stroke: luma(80%) + 0.5pt, radius: 2pt, [
+      #set block(spacing: 0pt)
+      #pad(top: 2pt, left: 3pt, bottom: 0pt, [*Score*])
+      #align(center + horizon)[
+        #state.score
+      ]
+    ])
+  ]))
+}
+
+#let next-tick(state, cols: 10, rows: 10) = {
+  if try-move(state, dy: -1, cols: cols, rows: rows) {
+    state.current.pos.y -= 1
+  } else {
+    for y in range(state.current.mino.len()) {
+      for x in range(state.current.mino.at(y).len()) {
+        if state.current.mino.at(y).at(x) != "_" {
+          state.map.at(state.current.pos.y - y).at(state.current.pos.x + x) = state.current.mino.at(y).at(x)
+        }
+      }
+    }
+    state.can-hold = true
+    state.current = state.next
+    (state.rng, state.mino-bag, state.next) = new-mino(state.rng, state.mino-bag, cols, rows)
+  }
+  state
+}
+
+#let eliminate(state, cols: 10, rows: 20) = {
+  let new-map = state.map.filter(row => row.filter(it => it != "_").len() != row.len())
+  let eliminated = state.map.len() - new-map.len()
+  state.map = new-map + range(eliminated).map(_ => range(cols).map(it => "_"))
+  let level = (-2, 40, 100, 300, 1200)
+  state.score += level.at(eliminated)
+  state
+}
+
+#let game(body, seed: 2, cols: 10, rows: 20, actions: (
+  left: ("a", ),
+  right: ("d", ),
+  down: ("s", ),
+  left-rotate: ("q", ),
+  right-rotate: ("e", ),
+  half-turn: ("w", ),
+  fast-drop: ("f", ),
+  hold-mino: ("c", ),
+)) = {
+  set page(height: auto, width: auto, margin: (top: 0.5in - 30pt, bottom: 0.5in + 40pt, rest: 0.5in))
+
+  let chars = parse-actions(body)
+
+  let rng-initial = gen-rng(seed)
+  let (rng-after-initial-bag, bag-after-initial-bag) = shuffle-minoes(rng-initial)
+  let state = (
+    rng: rng-after-initial-bag,
+    mino-bag: bag-after-initial-bag,
+    current: none,
+    next: none,
+    map: range(rows + 4).map(_ => range(cols).map(it => "_")),
+    end: false,
+    score: 0,
+    hold: none,
+    can-hold: true,
+  )
+
+  (state.rng, state.mino-bag, state.current) = new-mino(rng-after-initial-bag, bag-after-initial-bag, cols, rows)
+  (state.rng, state.mino-bag, state.next) = new-mino(state.rng, state.mino-bag, cols, rows)
+
+  for char in chars {
+    if actions.left.any(it => it == char) {
+      (state, _) = move(state, cols: cols, rows: rows, dx: -1, dy: 0)
+    } else if actions.right.any(it => it == char) {
+      (state, _) = move(state, cols: cols, rows: rows, dx: 1, dy: 0)
+    } else if actions.fast-drop.any(it => it == char) {
+      let success = true
+      while success {
+        (state, success) = move(state, cols: cols, rows: rows, dy: -1)
+      }
+    } else if actions.right-rotate.any(it => it == char) {
+      state = rotate(state, angle: 1, cols: cols, rows: rows)
+    } else if actions.left-rotate.any(it => it == char) {
+      state = rotate(state, angle: 3, cols: cols, rows: rows)
+    } else if actions.half-turn.any(it => it == char) {
+      state = rotate(state, angle: 2, cols: cols, rows: rows)
+    } else if actions.hold-mino.any(it => it == char) {
+      state = hold(state, cols: cols, rows: rows)
+    }
+    state = next-tick(state, cols: cols, rows: rows)
+    state = eliminate(state, cols: cols, rows: rows)
+
+    if check-collision(state, cols: cols, rows: rows) {
+      state.end = true
+      break
+    }
+  }
+
+  render(state, cols: cols, rows: rows)
+}