Completed all seven deck requests
This commit is contained in:
parent
777e07035b
commit
653b309825
12
build.zig
12
build.zig
@ -1,16 +1,11 @@
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const std = @import("std");
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pub fn build(b: *std.Build) void {
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const target = b.standardTargetOptions(.{
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.whitelist = &[_]std.Target.Query{
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std.Target.Query{ .cpu_arch = .aarch64, .os_tag = .macos },
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std.Target.Query{ .cpu_arch = .x86_64, .os_tag = .linux },
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},
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});
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const target = b.standardTargetOptions(.{});
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// TODO
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// Prefer small size binaries for optimization
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const optimize = b.standardOptimizeOption(.{ .preferred_optimize_mode = .Debug });
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const optimize = b.standardOptimizeOption(.{ .preferred_optimize_mode = .ReleaseSmall });
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const exe = b.addExecutable(.{
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.name = "genius_deck",
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@ -25,11 +20,12 @@ pub fn build(b: *std.Build) void {
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.openssl = false,
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});
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exe.root_module.addImport("zap", zap.module("zap"));
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b.installArtifact(exe);
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// Create Check step for zls
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const exe_check = b.addExecutable(.{
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.name = "zerver",
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.name = "genius_deck",
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.root_source_file = b.path("src/main.zig"),
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.target = target,
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.optimize = optimize,
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474
src/deck.zig
474
src/deck.zig
@ -2,11 +2,12 @@ const std = @import("std");
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const assert = std.debug.assert;
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pub const DeckError = error{
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DuplicateDiscard,
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Overflow,
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DuplicateInDiscard,
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DuplicateInDeck,
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OutOfRangeCut,
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};
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pub const Card = struct { suite: Suit, faceValue: Face };
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pub const Card = struct { suit: Suit, face_value: Face };
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pub const Suit = enum(u4) { Diamonds = 0, Clubs = 1, Hearts = 2, Spades = 3 };
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@ -26,40 +27,36 @@ pub const Face = enum(u4) {
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Ace = 14,
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};
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pub const ShuffleOptions = struct {
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seed: ?u64 = null,
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};
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comptime {
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if (@typeInfo(Suit).Enum.fields.len != 4) {
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@compileError("Only four suites allowed");
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@compileError("Only four suits allowed");
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}
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if (@typeInfo(Face).Enum.fields.len != 13) {
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@compileError("Only 13 face cards permitted");
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}
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}
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const NUM_SUITES = @typeInfo(Suit).Enum.fields.len;
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const NUM_CARDS_IN_SUITE = @typeInfo(Face).Enum.fields.len;
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const MAX_CARDS = NUM_SUITES * NUM_CARDS_IN_SUITE;
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const CARD_STRUCT_SIZE = @sizeOf(Card) / 2;
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const NUM_SUITS: u8 = @typeInfo(Suit).Enum.fields.len;
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const NUM_CARDS_IN_SUIT: u8 = @typeInfo(Face).Enum.fields.len;
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const MAX_CARDS: u8 = NUM_SUITS * NUM_CARDS_IN_SUIT;
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const CARD_STRUCT_SIZE: u8 = @sizeOf(Card) / 2;
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/// A Bounded Array with a fixed size to fit 52 `Card` structs inside it.
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/// Requires no allocations because of the fixed max size known at compile time.
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// pub fn printCards(cards: CardSlice, options: bufPrintCardOptions) void {
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// std.debug.print("Deck with {d} cards\tBuf len: {d}\n", .{ cards.len, cards.buffer.len });
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// std.debug.print("--- Bottom of Deck ---\n", .{});
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// var buf: [18]u8 = undefined;
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// for (0..cards.len) |cardIdx| {
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// const card = cards.get(cardIdx);
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// std.debug.print(" - {d}: {s}\n", .{ cardIdx, bufPrintCard(card, &buf, options) });
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// }
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// std.debug.print("--- Top of Deck ---\n", .{});
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// }
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pub fn printDeck(deck: Deck, options: bufPrintCardOptions) void {
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pub fn printDeck(deck: *Deck, options: bufPrintCardOptions) void {
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std.debug.print("Deck with {d} cards\n", .{deck.num_cards});
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printCards(deck.cards, deck.num_cards, options);
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std.debug.print("\nDiscard pile with {d} cards\n", .{deck.num_discards});
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printCards(deck.discard_pile, deck.num_discards, options);
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}
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pub fn printCards(cards: []?Card, num_cards: u8, options: bufPrintCardOptions) void {
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std.debug.print("--- Bottom of Deck ---\n", .{});
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var buf: [18]u8 = undefined;
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for (0..deck.num_cards) |cardIdx| {
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std.debug.print(" - {d}: {s}\n", .{ cardIdx, bufPrintCard(deck.cards[cardIdx], &buf, options) });
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for (0..num_cards) |card_idx| {
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std.debug.print(" - {d}: {s}\n", .{ card_idx, bufPrintCard(cards[card_idx].?, &buf, options) });
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}
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std.debug.print("--- Top of Deck ---\n", .{});
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}
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@ -70,12 +67,12 @@ pub const bufPrintCardOptions = struct {
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/// Returns a string representation of the card in the `buffer`
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pub fn bufPrintCard(card: Card, buffer: []u8, options: bufPrintCardOptions) []const u8 {
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// std.debug.print("\n\t{any}", .{card});
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const fv = @tagName(card.faceValue);
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const icon = if (options.use_icon) suiteToIcon(card.suite) else @tagName(card.suite);
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const fv = @tagName(card.face_value);
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const icon = if (options.use_icon) suitToIcon(card.suit) else @tagName(card.suit);
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return std.fmt.bufPrint(buffer, "{s} of {s}", .{ fv, icon }) catch return "*err printing card";
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}
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fn suiteToIcon(s: Suit) []const u8 {
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pub fn suitToIcon(s: Suit) []const u8 {
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return switch (s) {
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.Spades => "",
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.Hearts => "",
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@ -87,117 +84,146 @@ fn suiteToIcon(s: Suit) []const u8 {
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pub const Deck = struct {
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num_cards: u8 = 0,
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num_discards: u8 = 0,
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cb1: [MAX_CARDS]Card = [_]Card{Card{ .suite = .Diamonds, .faceValue = .Two }} ** MAX_CARDS,
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cb2: [MAX_CARDS]Card = [_]Card{Card{ .suite = .Diamonds, .faceValue = .Two }} ** MAX_CARDS,
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cards: []Card = undefined,
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discard_pile: []Card = undefined,
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_cb1: [MAX_CARDS]?Card = [_]?Card{null} ** MAX_CARDS,
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_cb2: [MAX_CARDS]?Card = [_]?Card{null} ** MAX_CARDS,
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cards: []?Card = undefined,
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discard_pile: []?Card = undefined,
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pub fn init(self: *Deck) DeckError!void {
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// var cardBuf = [_]Card{Card{ .suite = .Diamonds, .faceValue = .Two }} ** MAX_CARDS;
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self.cards = &self.cb1;
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// var discardBuf = [_]Card{Card{ .suite = .Diamonds, .faceValue = .Two }} ** MAX_CARDS;
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self.discard_pile = &self.cb2;
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/// Populates the `Deck.cards` with the default sort order of face cards.
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pub fn init(self: *Deck) void {
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self.cards = &self._cb1;
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self.discard_pile = &self._cb2;
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// Construct the deck
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for (0..NUM_SUITES) |suiteIdx| {
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const suite: Suit = @enumFromInt(suiteIdx);
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for (0..NUM_CARDS_IN_SUITE) |f| {
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const faceIdx = NUM_CARDS_IN_SUITE - f + 1;
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const face: Face = @enumFromInt(faceIdx);
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self.cards[self.num_cards] = Card{ .suite = suite, .faceValue = face };
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for (0..NUM_SUITS) |suit_idx| {
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const suit: Suit = @enumFromInt(suit_idx);
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for (0..NUM_CARDS_IN_SUIT) |f| {
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const face_idx = NUM_CARDS_IN_SUIT - f + 1;
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const face: Face = @enumFromInt(face_idx);
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self.cards[self.num_cards] = Card{ .suit = suit, .face_value = face };
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self.num_cards += 1;
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}
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}
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assert(self.num_cards == MAX_CARDS);
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}
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/// Pops and returns the top card off the deck, `null` if none are left.
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pub fn deal(self: *Deck) ?Card {
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if (self.num_cards == 0) return null;
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self.num_cards -= 1;
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return self.cards[self.num_cards];
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const card = self.cards[self.num_cards];
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self.cards[self.num_cards] = null;
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return card;
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}
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/// Returns the top card off the deck without affecting the deck,
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/// `null` if none are left.
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pub fn peak(self: *Deck) ?Card {
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if (self.num_cards == 0) return null;
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return self.cards[self.num_cards - 1];
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}
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/// Places the `card` into the `Deck.discard_pile` slice of cards.
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/// Returns an error if the card already exists in the `Deck.cards` or
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/// `Deck.discard_pile`.
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pub fn discard(self: *Deck, card: Card) DeckError!void {
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// Check a duplicate isnt introduced
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for (0..self.num_discards) |discardIdx| {
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if (std.meta.eql(self.discard_pile[discardIdx], card)) {
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return DeckError.DuplicateDiscard;
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for (0..self.num_discards) |discard_idx| {
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if (std.meta.eql(self.discard_pile[discard_idx], card)) {
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return DeckError.DuplicateInDiscard;
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}
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}
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for (0..self.num_cards) |card_idx| {
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if (std.meta.eql(self.cards[card_idx], card)) {
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return DeckError.DuplicateInDeck;
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}
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}
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self.discard_pile[self.num_discards] = card;
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self.num_discards += 1;
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}
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pub fn rebuild(self: *Deck) DeckError!void {
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const newTotal = self.num_cards + self.num_discards;
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assert(newTotal <= MAX_CARDS);
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pub fn cut(self: *Deck, index: u8) DeckError!void {
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if (index >= self.num_cards or index < 0) return DeckError.OutOfRangeCut;
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if (index == 0) return;
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for (0..self.num_discards) |disIdx| {
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self.cards[self.num_cards + disIdx];
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const index_from_top: u8 = self.num_cards - index;
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var cb = [_]?Card{null} ** MAX_CARDS;
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var top_cards: []?Card = cb[index_from_top..MAX_CARDS];
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for (0..index) |top_idx| {
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top_cards[top_idx] = self.cards[index_from_top + top_idx];
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}
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for (0..index_from_top) |bot_idx| {
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self.cards[self.num_cards - bot_idx - 1] = self.cards[index_from_top - bot_idx - 1];
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}
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for (0..index) |top_idx| {
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self.cards[top_idx] = top_cards[top_idx];
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}
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}
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/// Empties the `Deck.discard_pile` into the `Deck.cards` and
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/// sorts the resulting `[]Card` slice.
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pub fn rebuild(self: *Deck) void {
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const new_total = self.num_cards + self.num_discards;
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assert(new_total <= MAX_CARDS);
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const back_of_cards_idx = self.num_cards;
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for (0..self.num_discards) |dis_idx| {
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const card_idx = back_of_cards_idx + dis_idx;
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self.cards[card_idx] = self.discard_pile[dis_idx];
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self.num_cards += 1;
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}
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self.num_discards = 0;
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assert(self.num_cards == newTotal);
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assert(self.num_cards == new_total);
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try sort(self.cards);
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self.sort();
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}
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pub fn order_deck(self: *Deck) DeckError!void {
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try sort(self.cards);
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/// Sorts the `Deck.cards` slice in place
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pub fn order_deck(self: *Deck) void {
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self.sort();
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}
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fn sort(cards: []Card, numCards: u8) DeckError!void {
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if (cards.len <= 1) return;
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var cb = [MAX_CARDS]?Card{null} ** MAX_CARDS;
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var sortedGapsDeck: []?Card = cb[0..MAX_CARDS];
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/// Sorts a `Deck.cards` in place
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/// We can sort the deck quickly because we
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/// know the index of each card by default,
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/// the sorting takes N time, and 2N space
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///
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/// Default Order from Top to Bottom is:
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/// Suits: Spades > Hearts > Clubs > Diamonds
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/// FaceValue: 2 > 10 > Jack > Queen > King > Ace
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/// 2 of Spades is on top, Ace of Diamonds is the bottom card
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fn sort(self: *Deck) void {
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if (self.num_cards <= 1) return;
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var cb = [_]?Card{null} ** MAX_CARDS;
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var sorted_gaps_deck: []?Card = cb[0..MAX_CARDS];
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var idx_used = [_]bool{false} ** MAX_CARDS;
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for (cards) |card| {
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const cardIdx = faceValueIdx(card.faceValue) + suiteValueIdx(card.suite);
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sortedGapsDeck[cardIdx] = card;
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}
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var cb2: [MAX_CARDS]Card = undefined;
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var sortedGaplessDeck = cb2[0..numCards];
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var glIdx: u8 = 0;
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for (0..sortedGapsDeck.len) |gIdx| {
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if (sortedGapsDeck[gIdx] != null) {
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sortedGaplessDeck[glIdx] = sortedGapsDeck[gIdx];
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glIdx += 1;
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var cards_added: u8 = 0;
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for (self.cards) |maybe_card| {
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if (maybe_card) |card| {
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const card_idx = faceValueIdx(card.face_value) + suitValueIdx(card.suit);
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assert(!idx_used[card_idx]);
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idx_used[card_idx] = true;
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sorted_gaps_deck[card_idx] = card;
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cards_added += 1;
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}
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}
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var newCards = []Card.init(0) catch return DeckError.Overflow;
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for (sortedGaplessDeck) |card| {
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newCards.append(card) catch return DeckError.Overflow;
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}
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}
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fn cloneDeck(deck: *[]Card) DeckError![]Card {
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var newDeck = []Card.init(0) catch return DeckError.Overflow;
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for (deck.buffer) |card| {
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newDeck.append(card) catch return DeckError.Overflow;
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}
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return newDeck;
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}
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test "Deck.cloneDeck" {
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var deck = Deck{};
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try deck.init();
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const clonedCards = try Deck.cloneDeck(&deck.cards);
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try std.testing.expectEqual(deck.cards.len, clonedCards.len);
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for (deck.cards, 0..) |card, i| {
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try std.testing.expectEqual(card, clonedCards[i]);
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assert(cards_added == self.num_cards);
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self.num_cards = 0;
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for (0..MAX_CARDS) |g_idx| {
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if (sorted_gaps_deck[g_idx] != null) {
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self.cards[self.num_cards] = sorted_gaps_deck[g_idx].?;
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self.num_cards += 1;
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}
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}
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assert(self.num_cards == cards_added);
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}
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/// Gives the index within the suit for a given `Face`
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fn faceValueIdx(f: Face) u8 {
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const negIdx: i16 = @intCast(@intFromEnum(f));
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return @intCast(@abs(negIdx - 14));
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const neg_idx: i16 = @intCast(@intFromEnum(f));
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return @intCast(@abs(neg_idx - 14));
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}
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test "Deck.faceValueIdx" {
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@ -205,83 +231,40 @@ pub const Deck = struct {
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try std.testing.expectEqual(1, faceValueIdx(Face.King));
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}
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fn suiteValueIdx(s: Suit) u8 {
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const cards: u8 = @intCast(NUM_CARDS_IN_SUITE);
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fn suitValueIdx(s: Suit) u8 {
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const cards: u8 = @intCast(NUM_CARDS_IN_SUIT);
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return @intFromEnum(s) * cards;
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}
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// fn mergeSplit(a: *BoundedArrayOfCards, b: *BoundedArrayOfCards, iBegin: u8, iEnd: u8) void {
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// if (iEnd - iBegin <= 1) return;
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// const iMiddle: u8 = (iBegin + iEnd) / 2;
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// mergeSplit(a, b, iBegin, iMiddle);
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// mergeSplit(a, b, iMiddle, iEnd);
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// merge(b, a, iBegin, iMiddle, iEnd);
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// }
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// /// Merges two arrays of cards, deck `a` is merged into deck `b`
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// fn merge(a: *BoundedArrayOfCards, b: *BoundedArrayOfCards, iBegin: u8, iMiddle: u8, iEnd: u8) void {
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// var i = iBegin;
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// var j = iMiddle;
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// for (iBegin..iEnd) |k| {
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// if (i < iMiddle and (j >= iEnd or gt(a.get(j), a.get(i)))) {
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// b.set(k, a.get(i));
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// i = i + 1;
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// } else {
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// b.set(k, a.get(j));
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// j = j + 1;
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// }
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// }
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// }
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/// Greater than comparison function for two cards
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/// A card is considered greater, if it is found closer
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/// to the top of the deck when set to the default sort order
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///
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/// Default Order from Top to Bottom is:
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/// Suites: Spades > Hearts > Clubs > Diamonds
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/// FaceValue: 2 > 10 > Jack > Queen > King > Ace
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/// 2 of Spades is on top, Ace of Diamonds is the bottom card
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fn gt(l: Card, r: Card) bool {
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const lSuite: u4 = @intFromEnum(l.suite);
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const lFace: u4 = @intFromEnum(l.faceValue);
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const rSuite: u4 = @intFromEnum(r.suite);
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const rFace: u4 = @intFromEnum(r.faceValue);
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if (lSuite != rSuite) {
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return lSuite > rSuite;
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pub fn shuffle(self: *Deck, shuffle_options: ShuffleOptions) void {
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const seed: u64 = if (shuffle_options.seed) |s| s else @intCast(std.time.milliTimestamp());
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var prng = std.Random.DefaultPrng.init(seed);
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const random = prng.random();
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var i: u8 = 0;
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while (i < self.num_cards - 1) : (i += 1) {
|
||||
const j = random.intRangeLessThan(u8, 0, self.num_cards);
|
||||
std.mem.swap(Card, &self.cards[i].?, &self.cards[j].?);
|
||||
}
|
||||
// reverse comparison for face value, because 3 (3) is > ace (14)
|
||||
return lFace < rFace;
|
||||
}
|
||||
|
||||
test "Deck.gt" {
|
||||
const twoHearts = Card{ .suite = .Hearts, .faceValue = .Two };
|
||||
const kingSpades = Card{ .suite = .Spades, .faceValue = .King };
|
||||
const aceSpades = Card{ .suite = .Spades, .faceValue = .Ace };
|
||||
|
||||
try std.testing.expect(Deck.gt(kingSpades, twoHearts));
|
||||
try std.testing.expect(Deck.gt(kingSpades, aceSpades));
|
||||
try std.testing.expect(!Deck.gt(aceSpades, aceSpades));
|
||||
}
|
||||
};
|
||||
|
||||
test "Deck.init" {
|
||||
var deck = Deck{};
|
||||
try deck.init();
|
||||
deck.init();
|
||||
|
||||
try std.testing.expectEqual(MAX_CARDS, deck.num_cards);
|
||||
try std.testing.expectEqual(Card{ .suite = .Diamonds, .faceValue = .Ace }, deck.cards[0]);
|
||||
try std.testing.expectEqual(Card{ .suite = .Spades, .faceValue = .Two }, deck.cards[51]);
|
||||
try std.testing.expectEqual(Card{ .suit = .Diamonds, .face_value = .Ace }, deck.cards[0]);
|
||||
try std.testing.expectEqual(Card{ .suit = .Spades, .face_value = .Two }, deck.cards[51]);
|
||||
}
|
||||
|
||||
test "Deck.deal" {
|
||||
var deck = Deck{};
|
||||
try deck.init();
|
||||
deck.init();
|
||||
|
||||
try std.testing.expectEqual(deck.deal(), Card{ .suite = .Spades, .faceValue = .Two });
|
||||
try std.testing.expectEqual(deck.deal(), Card{ .suit = .Spades, .face_value = .Two });
|
||||
try std.testing.expectEqual(51, deck.num_cards);
|
||||
|
||||
try std.testing.expectEqual(deck.deal(), Card{ .suite = .Spades, .faceValue = .Three });
|
||||
try std.testing.expectEqual(deck.deal(), Card{ .suit = .Spades, .face_value = .Three });
|
||||
try std.testing.expectEqual(50, deck.num_cards);
|
||||
|
||||
for (0..50) |_| {
|
||||
@ -294,9 +277,9 @@ test "Deck.deal" {
|
||||
|
||||
test "Deck.peak" {
|
||||
var deck = Deck{};
|
||||
try deck.init();
|
||||
deck.init();
|
||||
|
||||
try std.testing.expectEqual(Card{ .suite = .Spades, .faceValue = .Two }, deck.peak());
|
||||
try std.testing.expectEqual(Card{ .suit = .Spades, .face_value = .Two }, deck.peak());
|
||||
try std.testing.expectEqual(MAX_CARDS, deck.num_cards);
|
||||
|
||||
// Deal out 20 cards
|
||||
@ -304,7 +287,7 @@ test "Deck.peak" {
|
||||
_ = deck.deal();
|
||||
}
|
||||
|
||||
try std.testing.expectEqual(deck.peak(), Card{ .suite = .Hearts, .faceValue = .Nine });
|
||||
try std.testing.expectEqual(deck.peak(), Card{ .suit = .Hearts, .face_value = .Nine });
|
||||
try std.testing.expectEqual(deck.num_cards, 32);
|
||||
|
||||
// Try to peak empty deck
|
||||
@ -316,12 +299,12 @@ test "Deck.peak" {
|
||||
|
||||
test "Deck.discard" {
|
||||
var deck = Deck{};
|
||||
try deck.init();
|
||||
deck.init();
|
||||
|
||||
const twoSpadesCard = deck.deal();
|
||||
try std.testing.expect(twoSpadesCard != null);
|
||||
try std.testing.expect(twoSpadesCard.?.suite == .Spades);
|
||||
try std.testing.expect(twoSpadesCard.?.faceValue == .Two);
|
||||
try std.testing.expect(twoSpadesCard.?.suit == .Spades);
|
||||
try std.testing.expect(twoSpadesCard.?.face_value == .Two);
|
||||
|
||||
// Deal out 13 cards
|
||||
for (0..12) |_| {
|
||||
@ -329,8 +312,8 @@ test "Deck.discard" {
|
||||
}
|
||||
const twoHeartsCard = deck.deal();
|
||||
try std.testing.expect(twoHeartsCard != null);
|
||||
try std.testing.expect(twoHeartsCard.?.suite == .Hearts);
|
||||
try std.testing.expect(twoHeartsCard.?.faceValue == .Two);
|
||||
try std.testing.expect(twoHeartsCard.?.suit == .Hearts);
|
||||
try std.testing.expect(twoHeartsCard.?.face_value == .Two);
|
||||
|
||||
// Discard two cards
|
||||
try deck.discard(twoSpadesCard.?);
|
||||
@ -340,12 +323,12 @@ test "Deck.discard" {
|
||||
try std.testing.expectEqual(twoSpadesCard.?, deck.discard_pile[0]);
|
||||
|
||||
// Fails to add duplicate card
|
||||
try std.testing.expectError(DeckError.DuplicateDiscard, deck.discard(twoSpadesCard.?));
|
||||
try std.testing.expectError(DeckError.DuplicateInDiscard, deck.discard(twoSpadesCard.?));
|
||||
}
|
||||
|
||||
test "Deck.rebuild" {
|
||||
var deck = Deck{};
|
||||
try deck.init();
|
||||
deck.init();
|
||||
var buf1 = [_]?Card{null} ** 5;
|
||||
var buf2 = [_]?Card{null} ** 5;
|
||||
var buf3 = [_]?Card{null} ** 5;
|
||||
@ -355,7 +338,7 @@ test "Deck.rebuild" {
|
||||
|
||||
// Alternate dealing player one and two hands
|
||||
for (0..10) |i| {
|
||||
if (i % 2 == 0) try playerOneHand.append(deck.deal().?) else try playerTwoHand.append(deck.deal().?);
|
||||
if (i % 2 == 0) playerOneHand[i / 2] = deck.deal().? else playerTwoHand[i / 2] = deck.deal().?;
|
||||
}
|
||||
|
||||
try std.testing.expectEqual(5, playerOneHand.len);
|
||||
@ -372,66 +355,131 @@ test "Deck.rebuild" {
|
||||
|
||||
try std.testing.expectEqual(5, playerThreeHand.len);
|
||||
|
||||
try std.testing.expectEqual(10, deck.discard_pile.len);
|
||||
try std.testing.expectEqual(27, deck.cards.len);
|
||||
try std.testing.expectEqual(10, deck.num_discards);
|
||||
try std.testing.expectEqual(27, deck.num_cards);
|
||||
|
||||
for (0..15) |i| {
|
||||
switch (i % 3) {
|
||||
0 => try deck.discard(playerThreeHand.pop()),
|
||||
1 => try deck.discard(playerOneHand.pop()),
|
||||
2 => try deck.discard(playerTwoHand.pop()),
|
||||
0 => try deck.discard(playerThreeHand[i / 3].?),
|
||||
1 => try deck.discard(playerOneHand[i / 3].?),
|
||||
2 => try deck.discard(playerTwoHand[i / 3].?),
|
||||
else => unreachable,
|
||||
}
|
||||
}
|
||||
try std.testing.expectEqual(25, deck.discard_pile.len);
|
||||
try std.testing.expectEqual(25, deck.num_discards);
|
||||
|
||||
try deck.rebuild();
|
||||
deck.rebuild();
|
||||
|
||||
try std.testing.expectEqual(0, deck.discard_pile.len);
|
||||
try std.testing.expectEqual(52, deck.cards.len);
|
||||
try std.testing.expectEqual(0, deck.num_discards);
|
||||
try std.testing.expectEqual(52, deck.num_cards);
|
||||
|
||||
try std.testing.expectEqual(Card{ .suite = .Diamonds, .faceValue = .Ace }, deck.cards[0]);
|
||||
try std.testing.expectEqual(Card{ .suite = .Spades, .faceValue = .Two }, deck.cards[51]);
|
||||
try std.testing.expectEqual(Card{ .suit = .Diamonds, .face_value = .Ace }, deck.cards[0]);
|
||||
try std.testing.expectEqual(Card{ .suit = .Spades, .face_value = .Two }, deck.cards[51]);
|
||||
}
|
||||
|
||||
// test "Deck.rebuild with missing cards" {
|
||||
// var deck = Deck{};
|
||||
// try deck.init();
|
||||
// // var playerOneHand = []Card.init(0) catch unreachable;
|
||||
// // var playerTwoHand = []Card.init(0) catch unreachable;
|
||||
test "Deck.rebuild with missing cards" {
|
||||
var deck = Deck{};
|
||||
deck.init();
|
||||
var buf1 = [_]?Card{null} ** 13;
|
||||
var buf2 = [_]?Card{null} ** 13;
|
||||
var player_one_hand: []?Card = &(buf1);
|
||||
var player_two_hand: []?Card = &(buf2);
|
||||
|
||||
// // Alternate dealing player one discarding cards
|
||||
// for (0..52) |i| {
|
||||
// switch (i % 4) {
|
||||
// 0 => try playerTwoHand.append(deck.deal().?),
|
||||
// 1 => try deck.discard(deck.deal().?),
|
||||
// 2 => try playerOneHand.append(deck.deal().?),
|
||||
// 3 => {
|
||||
// _ = deck.deal();
|
||||
// },
|
||||
// else => unreachable,
|
||||
// }
|
||||
// }
|
||||
// Mix up the cards, throw some away
|
||||
for (0..MAX_CARDS) |i| {
|
||||
switch (i % 4) {
|
||||
0 => player_two_hand[i / 4] = deck.deal().?,
|
||||
1 => try deck.discard(deck.deal().?),
|
||||
2 => player_one_hand[i / 4] = deck.deal().?,
|
||||
3 => {
|
||||
_ = deck.deal();
|
||||
},
|
||||
else => unreachable,
|
||||
}
|
||||
}
|
||||
|
||||
// try std.testing.expectEqual(13, playerOneHand.len);
|
||||
// try std.testing.expectEqual(13, playerTwoHand.len);
|
||||
// try std.testing.expectEqual(13, deck.discard_pile.len);
|
||||
// try std.testing.expectEqual(0, deck.cards.len);
|
||||
try std.testing.expectEqual(13, deck.num_discards);
|
||||
try std.testing.expectEqual(0, deck.num_cards);
|
||||
|
||||
// for (0..26) |i| {
|
||||
// switch (i % 2) {
|
||||
// 0 => try deck.discard(playerOneHand.pop()),
|
||||
// 1 => try deck.discard(playerTwoHand.pop()),
|
||||
// else => unreachable,
|
||||
// }
|
||||
// }
|
||||
// try std.testing.expectEqual(39, deck.discard_pile.len);
|
||||
for (0..26) |i| {
|
||||
switch (i % 2) {
|
||||
0 => try deck.discard(player_one_hand[i / 2].?),
|
||||
1 => try deck.discard(player_two_hand[i / 2].?),
|
||||
else => unreachable,
|
||||
}
|
||||
}
|
||||
try std.testing.expectEqual(39, deck.num_discards);
|
||||
|
||||
// try deck.rebuild();
|
||||
deck.rebuild();
|
||||
|
||||
// try std.testing.expectEqual(0, deck.discard_pile.len);
|
||||
// try std.testing.expectEqual(39, deck.cards.len);
|
||||
try std.testing.expectEqual(0, deck.num_discards);
|
||||
try std.testing.expectEqual(39, deck.num_cards);
|
||||
|
||||
// try std.testing.expectEqual(Card{ .suite = .Diamonds, .faceValue = .Ace }, deck.cards[0]);
|
||||
// try std.testing.expectEqual(Card{ .suite = .Spades, .faceValue = .Two }, deck.cards[38]);
|
||||
// }
|
||||
try std.testing.expectEqual(Card{ .suit = .Diamonds, .face_value = .King }, deck.cards[0]);
|
||||
try std.testing.expectEqual(Card{ .suit = .Spades, .face_value = .Two }, deck.cards[38]);
|
||||
}
|
||||
|
||||
test "Deck.cut" {
|
||||
var deck = Deck{};
|
||||
deck.init();
|
||||
|
||||
try deck.cut(1);
|
||||
try std.testing.expectEqual(Card{ .suit = .Spades, .face_value = .Three }, deck.peak());
|
||||
|
||||
try deck.cut(0);
|
||||
try std.testing.expectEqual(Card{ .suit = .Spades, .face_value = .Three }, deck.peak());
|
||||
|
||||
try deck.cut(21);
|
||||
try std.testing.expectEqual(Card{ .suit = .Hearts, .face_value = .Jack }, deck.peak());
|
||||
|
||||
// lots of cuts to get back to sorted
|
||||
try deck.cut(5);
|
||||
try deck.cut(0);
|
||||
try deck.cut(2);
|
||||
try deck.cut(8);
|
||||
try deck.cut(12);
|
||||
try deck.cut(3);
|
||||
try std.testing.expectEqual(Card{ .suit = .Spades, .face_value = .Two }, deck.peak());
|
||||
|
||||
var deck2 = Deck{};
|
||||
deck2.init();
|
||||
try std.testing.expectEqual(deck2.num_cards, deck.num_cards);
|
||||
|
||||
// Should be just like a new deck at this point
|
||||
for (0..deck2.num_cards) |idx| {
|
||||
try std.testing.expectEqual(deck2.cards[idx], deck.cards[idx]);
|
||||
}
|
||||
|
||||
// Invalid cuts
|
||||
for (0..10) |_| {
|
||||
_ = deck.deal();
|
||||
}
|
||||
try std.testing.expectEqual(42, deck.num_cards);
|
||||
try std.testing.expectError(DeckError.OutOfRangeCut, deck.cut(50));
|
||||
try std.testing.expectError(DeckError.OutOfRangeCut, deck.cut(42));
|
||||
|
||||
try deck.cut(41);
|
||||
try std.testing.expectEqual(Card{ .suit = .Diamonds, .face_value = .Ace }, deck.peak());
|
||||
}
|
||||
|
||||
test "Deck.shuffle" {
|
||||
var deck = Deck{};
|
||||
deck.init();
|
||||
|
||||
deck.shuffle(.{ .seed = 0 });
|
||||
|
||||
try std.testing.expectEqual(Card{ .suit = .Diamonds, .face_value = .Five }, deck.peak());
|
||||
|
||||
for (0..25) |_| {
|
||||
_ = deck.deal();
|
||||
}
|
||||
|
||||
deck.shuffle(.{ .seed = 0 });
|
||||
|
||||
try std.testing.expectEqual(Card{ .suit = .Diamonds, .face_value = .Ace }, deck.peak());
|
||||
|
||||
deck.sort();
|
||||
deck.shuffle(.{ .seed = 0 });
|
||||
|
||||
try std.testing.expectEqual(Card{ .suit = .Hearts, .face_value = .Nine }, deck.peak());
|
||||
}
|
||||
|
||||
333
src/main.zig
333
src/main.zig
@ -1,6 +1,333 @@
|
||||
const std = @import("std");
|
||||
const deck = @import("deck.zig");
|
||||
const zap = @import("zap");
|
||||
|
||||
pub fn main() !void {
|
||||
std.debug.print("It works!\n", .{});
|
||||
const d = @import("deck.zig");
|
||||
const DeckHttpType = enum { GET, POST };
|
||||
const DeckHttpRoute = union(DeckHttpType) {
|
||||
GET: *const fn (*DeckContext) void,
|
||||
POST: *const fn (*DeckContext) void,
|
||||
};
|
||||
const DeckContext = struct {
|
||||
deck: *d.Deck,
|
||||
request: zap.Request,
|
||||
};
|
||||
|
||||
var routes: std.StringHashMap(DeckHttpRoute) = undefined;
|
||||
var deck: d.Deck = undefined;
|
||||
var verbose = false;
|
||||
var very_verbose = false;
|
||||
|
||||
pub fn main() void {
|
||||
// Setup stack allocator
|
||||
var buf: [1024]u8 = undefined;
|
||||
var buf_allocator = std.heap.FixedBufferAllocator.init(&buf);
|
||||
var arena = std.heap.ArenaAllocator.init(buf_allocator.allocator());
|
||||
const allocator = arena.allocator();
|
||||
defer arena.deinit();
|
||||
|
||||
// Parse Args
|
||||
var args_iter = std.process.argsWithAllocator(allocator) catch {
|
||||
std.debug.print("ERR: Unable to initialize args parser");
|
||||
};
|
||||
var port_or_err: error{ BadPort, MissingPort }!u16 = 8081;
|
||||
|
||||
_ = args_iter.skip();
|
||||
while (args_iter.next()) |arg| {
|
||||
if (std.mem.eql(u8, arg, "-h")) {
|
||||
printHelp();
|
||||
return;
|
||||
} else if (std.mem.eql(u8, arg, "-p")) {
|
||||
const port_slice = args_iter.next();
|
||||
if (port_slice) |ps| {
|
||||
port_or_err = std.fmt.parseInt(u16, ps, 10) catch error.BadPort;
|
||||
} else {
|
||||
port_or_err = error.MissingPort;
|
||||
}
|
||||
} else if (std.mem.eql(u8, arg, "-v")) {
|
||||
verbose = true;
|
||||
} else if (std.mem.eql(u8, arg, "-vv")) {
|
||||
verbose = true;
|
||||
very_verbose = true;
|
||||
}
|
||||
}
|
||||
if (port_or_err == error.BadPort) {
|
||||
std.debug.print("The port provided is not a valid number.", .{});
|
||||
return;
|
||||
} else if (port_or_err == error.MissingPort) {
|
||||
std.debug.print("A port was not provided after the cli -p option, try `-p 8000`\n", .{});
|
||||
return;
|
||||
}
|
||||
const port: usize = @intCast(port_or_err catch 8081);
|
||||
std.debug.print("Starting deck server on port {d}\n", .{port});
|
||||
deck = d.Deck{};
|
||||
deck.init();
|
||||
|
||||
routes = std.StringHashMap(DeckHttpRoute).init(allocator);
|
||||
|
||||
routes.put("/deal", DeckHttpRoute{ .GET = deal }) catch return;
|
||||
routes.put("/cheat", DeckHttpRoute{ .GET = cheat }) catch return;
|
||||
routes.put("/discard", DeckHttpRoute{ .POST = discard }) catch return;
|
||||
routes.put("/cut", DeckHttpRoute{ .POST = cut }) catch return;
|
||||
routes.put("/rebuild", DeckHttpRoute{ .POST = rebuild }) catch return;
|
||||
routes.put("/sort", DeckHttpRoute{ .POST = sort }) catch return;
|
||||
routes.put("/shuffle", DeckHttpRoute{ .POST = shuffle }) catch return;
|
||||
|
||||
var listener = zap.HttpListener.init(.{ .port = port, .on_request = onRequest, .log = verbose });
|
||||
|
||||
std.debug.print("Listening\n", .{});
|
||||
listener.listen() catch |err| {
|
||||
std.debug.print("Unable to start http server: {any}\n", .{err});
|
||||
};
|
||||
|
||||
zap.start(.{ .threads = 1, .workers = 1 });
|
||||
}
|
||||
|
||||
fn onRequest(request: zap.Request) void {
|
||||
if (request.path == null) {
|
||||
return;
|
||||
}
|
||||
var found_route = false;
|
||||
if (routes.get(request.path.?)) |route| {
|
||||
switch (route) {
|
||||
.GET => {
|
||||
if (request.method == null) return;
|
||||
if (!std.mem.eql(u8, request.method.?, "GET")) return;
|
||||
var ctx = DeckContext{ .deck = &deck, .request = request };
|
||||
found_route = true;
|
||||
route.GET(&ctx);
|
||||
if (very_verbose) {
|
||||
d.printDeck(&deck, .{});
|
||||
}
|
||||
},
|
||||
.POST => {
|
||||
if (request.method == null) return;
|
||||
if (!std.mem.eql(u8, request.method.?, "POST")) return;
|
||||
var ctx = DeckContext{ .deck = &deck, .request = request };
|
||||
found_route = true;
|
||||
route.POST(&ctx);
|
||||
if (very_verbose) {
|
||||
d.printDeck(&deck, .{});
|
||||
}
|
||||
},
|
||||
}
|
||||
}
|
||||
if (!found_route) {
|
||||
sendErrorMessage(request, "Unknown route", .not_found);
|
||||
}
|
||||
}
|
||||
|
||||
pub const DealGetRequest = struct {
|
||||
cards_in_deck: u8,
|
||||
face_value: []const u8,
|
||||
suit: []const u8,
|
||||
suit_unicode: []const u8,
|
||||
};
|
||||
|
||||
fn deal(ctx: *DeckContext) void {
|
||||
const card_or_null = ctx.deck.deal();
|
||||
if (card_or_null) |card| {
|
||||
var buf: [200]u8 = undefined;
|
||||
const card_json = zap.stringifyBuf(&buf, DealGetRequest{
|
||||
.cards_in_deck = ctx.deck.num_cards,
|
||||
.face_value = @tagName(card.face_value),
|
||||
.suit = @tagName(card.suit),
|
||||
.suit_unicode = d.suitToIcon(card.suit),
|
||||
}, .{});
|
||||
if (card_json == null) {
|
||||
ctx.request.sendError(error.BadJsonStringify, if (@errorReturnTrace()) |t| t.* else null, 500);
|
||||
return;
|
||||
}
|
||||
ctx.request.sendJson(card_json.?) catch |err| {
|
||||
std.debug.print("{any}", .{err});
|
||||
return;
|
||||
};
|
||||
} else {
|
||||
ctx.request.sendBody("No cards left") catch return;
|
||||
}
|
||||
}
|
||||
|
||||
fn cheat(ctx: *DeckContext) void {
|
||||
const card_or_null = ctx.deck.peak();
|
||||
if (card_or_null) |card| {
|
||||
var buf: [200]u8 = undefined;
|
||||
const card_json = zap.stringifyBuf(&buf, DealGetRequest{
|
||||
.cards_in_deck = ctx.deck.num_cards,
|
||||
.face_value = @tagName(card.face_value),
|
||||
.suit = @tagName(card.suit),
|
||||
.suit_unicode = d.suitToIcon(card.suit),
|
||||
}, .{});
|
||||
if (card_json == null) {
|
||||
ctx.request.sendError(error.BadJsonStringify, if (@errorReturnTrace()) |t| t.* else null, 500);
|
||||
return;
|
||||
}
|
||||
ctx.request.sendJson(card_json.?) catch |err| {
|
||||
std.debug.print("{any}", .{err});
|
||||
return;
|
||||
};
|
||||
} else {
|
||||
ctx.request.sendBody("No cards left") catch return;
|
||||
}
|
||||
}
|
||||
|
||||
fn discard(ctx: *DeckContext) void {
|
||||
ctx.request.parseBody() catch return;
|
||||
if (ctx.request.body == null) {
|
||||
ctx.request.setStatus(.bad_request);
|
||||
ctx.request.sendJson("{\"success\" = false, \"error\": \"Missing card data\"}") catch return;
|
||||
return;
|
||||
}
|
||||
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
|
||||
const allocator = gpa.allocator();
|
||||
const json_body = std.json.parseFromSlice(d.Card, allocator, ctx.request.body.?, .{}) catch |err| {
|
||||
if (err == error.InvalidEnumTag) {
|
||||
ctx.request.setStatus(.bad_request);
|
||||
ctx.request.sendJson("{\"success\" = false, \"error\": \"Invalid card value provided\"}") catch return;
|
||||
return;
|
||||
}
|
||||
ctx.request.sendError(err, if (@errorReturnTrace()) |t| t.* else null, 500);
|
||||
return;
|
||||
};
|
||||
defer json_body.deinit();
|
||||
ctx.deck.discard(json_body.value) catch |err| {
|
||||
switch (err) {
|
||||
d.DeckError.DuplicateInDiscard => {
|
||||
ctx.request.setStatus(.bad_request);
|
||||
ctx.request.sendJson("{\"success\": false, \"error\": \"Unable to add to discard, already exists.\"}") catch return;
|
||||
return;
|
||||
},
|
||||
d.DeckError.DuplicateInDeck => {
|
||||
ctx.request.setStatus(.bad_request);
|
||||
ctx.request.sendJson("{\"success\": false, \"error\": \"Unable to add to discard, card exists in deck.\"}") catch return;
|
||||
return;
|
||||
},
|
||||
else => unreachable,
|
||||
}
|
||||
};
|
||||
ctx.request.setStatus(.ok);
|
||||
var buf: [100]u8 = undefined;
|
||||
const json = zap.stringifyBuf(&buf, .{ .success = true }, .{});
|
||||
if (json == null) {
|
||||
return;
|
||||
}
|
||||
ctx.request.sendJson(json.?) catch return;
|
||||
}
|
||||
|
||||
pub const CutPostRequest = struct {
|
||||
index: u8,
|
||||
};
|
||||
|
||||
fn cut(ctx: *DeckContext) void {
|
||||
if (ctx.request.body == null and ctx.request.query == null) {
|
||||
ctx.request.setStatus(.bad_request);
|
||||
ctx.request.sendJson("{\"success\" = false, \"error\": \"Missing cut index\"}") catch return;
|
||||
return;
|
||||
}
|
||||
var index: u8 = undefined;
|
||||
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
|
||||
const allocator = gpa.allocator();
|
||||
// use json body
|
||||
if (ctx.request.body != null) {
|
||||
ctx.request.parseBody() catch return;
|
||||
const json_body = std.json.parseFromSlice(CutPostRequest, allocator, ctx.request.body.?, .{}) catch |err| {
|
||||
if (err == error.Overflow) {
|
||||
ctx.request.setStatus(.bad_request);
|
||||
ctx.request.sendJson("{\"success\": false, \"error\": \"Expecting unsigned 8 bit integer as index\"}") catch return;
|
||||
return;
|
||||
}
|
||||
ctx.request.sendError(err, if (@errorReturnTrace()) |t| t.* else null, 500);
|
||||
return;
|
||||
};
|
||||
defer json_body.deinit();
|
||||
index = json_body.value.index;
|
||||
}
|
||||
// use query params
|
||||
else {
|
||||
ctx.request.parseQuery();
|
||||
var params = ctx.request.parametersToOwnedList(allocator, false) catch |err| {
|
||||
ctx.request.sendError(err, if (@errorReturnTrace()) |t| t.* else null, 500);
|
||||
return;
|
||||
};
|
||||
defer params.deinit();
|
||||
if (params.items.len != 1 or !std.mem.eql(u8, "index", params.items[0].key.str)) {
|
||||
sendErrorMessage(ctx.request, "Only key 'index' allowed in query params", .bad_request);
|
||||
return;
|
||||
}
|
||||
index = @intCast(params.items[0].value.?.Int);
|
||||
}
|
||||
ctx.deck.cut(index) catch |err| {
|
||||
switch (err) {
|
||||
d.DeckError.OutOfRangeCut => {
|
||||
ctx.request.setStatus(.bad_request);
|
||||
ctx.request.sendJson("{\"success\": false, \"error\": \"Index provided is out of range\"}") catch return;
|
||||
return;
|
||||
},
|
||||
else => unreachable,
|
||||
}
|
||||
};
|
||||
ctx.request.setStatus(.ok);
|
||||
var buf: [100]u8 = undefined;
|
||||
const json = zap.stringifyBuf(&buf, .{ .success = true }, .{});
|
||||
if (json == null) {
|
||||
return;
|
||||
}
|
||||
ctx.request.sendJson(json.?) catch return;
|
||||
}
|
||||
|
||||
fn rebuild(ctx: *DeckContext) void {
|
||||
ctx.deck.rebuild();
|
||||
ctx.request.setStatus(.ok);
|
||||
var buf: [100]u8 = undefined;
|
||||
const json = zap.stringifyBuf(&buf, .{ .success = true }, .{});
|
||||
if (json == null) {
|
||||
return;
|
||||
}
|
||||
ctx.request.sendJson(json.?) catch return;
|
||||
}
|
||||
|
||||
fn sort(ctx: *DeckContext) void {
|
||||
ctx.deck.order_deck();
|
||||
ctx.request.setStatus(.ok);
|
||||
var buf: [100]u8 = undefined;
|
||||
const json = zap.stringifyBuf(&buf, .{ .success = true }, .{});
|
||||
if (json == null) {
|
||||
return;
|
||||
}
|
||||
ctx.request.sendJson(json.?) catch return;
|
||||
}
|
||||
|
||||
fn shuffle(ctx: *DeckContext) void {
|
||||
ctx.deck.shuffle(.{});
|
||||
ctx.request.setStatus(.ok);
|
||||
var buf: [100]u8 = undefined;
|
||||
const json = zap.stringifyBuf(&buf, .{ .success = true }, .{});
|
||||
if (json == null) {
|
||||
return;
|
||||
}
|
||||
ctx.request.sendJson(json.?) catch return;
|
||||
}
|
||||
|
||||
const DeckErrorMessage = struct {
|
||||
success: bool,
|
||||
message: []const u8,
|
||||
};
|
||||
|
||||
fn sendErrorMessage(request: zap.Request, msg: []const u8, status: zap.StatusCode) void {
|
||||
request.setStatus(status);
|
||||
var buf: [300]u8 = undefined;
|
||||
const json = zap.stringifyBuf(&buf, DeckErrorMessage{ .success = false, .message = msg }, .{});
|
||||
if (json == null) {
|
||||
return;
|
||||
}
|
||||
request.sendJson(json.?) catch return;
|
||||
}
|
||||
|
||||
fn printHelp() void {
|
||||
const menu_text =
|
||||
\\Help Menu
|
||||
\\ -v Verbose logging
|
||||
\\ -vv Very verbose logging
|
||||
\\ -p <PORT> Specify a port other than the default 8081
|
||||
\\ -h Prints this help menu
|
||||
;
|
||||
std.debug.print("{s}\n", .{menu_text});
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user