sazzy/src/board.zig
2024-06-27 21:04:05 +02:00

312 lines
12 KiB
Zig

const std = @import("std");
const Symbol = enum {
Barret,
Chalice,
Flask,
Gallion,
Hourglass,
Scatter,
Witch,
};
const Variant = union(enum) {
Multiplier: u32,
Respin,
Symbol: Symbol,
Empty,
const Self = @This();
pub fn new_random() Self {
const rand = std.crypto.random;
const symbol = rand.enumValue(Symbol);
return Self{ .Symbol = symbol };
}
};
const Collection = struct {
Symbol: Symbol,
Piece: std.ArrayList([2]u8),
};
pub const Board = struct {
fields: [7][7]Variant,
multipler: u32,
const Self = @This();
pub fn init() Board {
const rand = std.crypto.random;
var buffer: [6]u8 = undefined;
rand.bytes(&buffer);
var board = Self {
.fields = [7][7]Variant{
[7]Variant{Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty},
[7]Variant{Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty},
[7]Variant{Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty},
[7]Variant{Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty},
[7]Variant{Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty},
[7]Variant{Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty},
[7]Variant{Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty, Variant.Empty},
},
.multipler = 1,
};
board.fields[buffer[0] % 7][buffer[1] % 7] = Variant.Respin;
board.fields[buffer[2] % 7][buffer[3] % 7] = Variant.Respin;
board.fields[buffer[4] % 7][buffer[5] % 7] = Variant.Respin;
board.fill();
return board;
}
pub fn fill(self: *Board) void {
const rand = std.crypto.random;
var buffer: [6]u8 = undefined;
rand.bytes(&buffer);
for (self.fields, 0..) |row, i| {
for (row, 0..) |field, j| {
if (field == Variant.Empty) {
// TODO: add probability distribution for Respins
self.fields[i][j] = Variant{ .Symbol = rand.enumValue(Symbol) };
}
}
}
}
pub fn calculate(self: *Board, components: *std.ArrayList(u8)) !void {
var visited: [7][7]bool = [7][7]bool{
[7]bool{false, false, false, false, false, false, false},
[7]bool{false, false, false, false, false, false, false},
[7]bool{false, false, false, false, false, false, false},
[7]bool{false, false, false, false, false, false, false},
[7]bool{false, false, false, false, false, false, false},
[7]bool{false, false, false, false, false, false, false},
[7]bool{false, false, false, false, false, false, false},
};
for (0..self.fields.len) |i| {
for (0..self.fields[0].len) |j| {
if (self.fields[i][j] != Variant.Multiplier and self.fields[i][j] != Variant.Respin and self.fields[i][j] != Variant.Empty) {
const size = try self.dfs(&visited, @intCast(i), @intCast(j), self.fields[i][j].Symbol);
if (size >= 5) {
// std.debug.print("fuction returned {} for Symbol {}\n", .{size, self.fields[i][j].Symbol});
try components.append(@as(u8, @truncate((@as(u8, @truncate(i)) << 3 | j))));
}
}
}
}
}
pub fn dfs(self: *Board, visited: *[7][7]bool, i: u8, j: u8, cell_type: Symbol) !u32 {
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
const allocator = gpa.allocator();
var stack = std.ArrayList([2]u8).init(allocator);
try stack.append([2]u8{i, j});
var size: u8 = 0;
while (stack.items.len > 0) {
const cords = stack.pop();
if (cords[0] >= 7 or cords[1] >= 7 or
visited[cords[0]][cords[1]] or (
switch (self.fields[cords[0]][cords[1]]) {
Variant.Empty => unreachable,
Variant.Multiplier => false,
Variant.Respin => true,
Variant.Symbol => self.fields[cords[0]][cords[1]].Symbol != cell_type
}
)
) {
if (cords[0] <= 6 and cords[1] <= 6 and self.fields[cords[0]][cords[1]] == Variant.Respin) {
visited[cords[0]][cords[1]] = true;
}
continue;
}
visited[cords[0]][cords[1]] = true;
size += 1;
if (cords[0] > 0) {
try stack.append([2]u8{cords[0] - 1, cords[1]});
}
try stack.append([2]u8{cords[0] + 1, cords[1]});
if (cords[1] > 0) {
try stack.append([2]u8{cords[0], cords[1] - 1});
}
try stack.append([2]u8{cords[0], cords[1] + 1});
// std.debug.print(
// "increased size to {}, for symbol {} at position {}x{}, new stack size is {}\n",
// .{size, cell_type, cords[0], cords[1], stack.items.len}
// );
}
return size;
}
pub fn print(self: Self) !void {
const stdout_file = std.io.getStdOut().writer();
var bw = std.io.bufferedWriter(stdout_file);
const stdout = bw.writer();
try stdout.print("Board:\n", .{});
for (self.fields) |row| {
for (row) |field| {
switch (field) {
Variant.Multiplier => try stdout.print("M", .{}),
Variant.Respin => try stdout.print("R", .{}),
Variant.Empty => try stdout.print("E", .{}),
Variant.Symbol => {
switch (field.Symbol) {
Symbol.Barret => try stdout.print("B", .{}),
Symbol.Chalice => try stdout.print("C", .{}),
Symbol.Flask => try stdout.print("F", .{}),
Symbol.Gallion => try stdout.print("G", .{}),
Symbol.Hourglass => try stdout.print("H", .{}),
Symbol.Scatter => try stdout.print("S", .{}),
Symbol.Witch => try stdout.print("W", .{}),
}
}
}
}
try stdout.print("\n", .{});
}
try bw.flush();
}
pub fn print5(self: Self) !void {
const symbols = [10][5][5]u8{
[5][5]u8{
[5]u8{'|', '-', '-', '-', '|'},
[5]u8{'|', ' ', ' ', ' ', '|'},
[5]u8{'M', 'M', 'M', 'M', 'M'},
[5]u8{'|', ' ', ' ', ' ', '|'},
[5]u8{'|', '_', '_', '_', '|'},
},
[5][5]u8{
[5]u8{'\\', ' ', ' ', ' ', '/'},
[5]u8{' ', '\\', ' ', '/', ' '},
[5]u8{' ', ' ', 'x', ' ', ' '},
[5]u8{' ', '/', ' ', '\\', ' '},
[5]u8{'/', ' ', ' ', ' ', '\\'},
},
[5][5]u8{
[5]u8{' ', ' ', ' ', ' ', ' '},
[5]u8{' ', ' ', ' ', ' ', ' '},
[5]u8{' ', ' ', ' ', ' ', ' '},
[5]u8{' ', ' ', ' ', ' ', ' '},
[5]u8{' ', ' ', ' ', ' ', ' '},
},
[5][5]u8{
[5]u8{' ', '|', '-', '\\', ' '},
[5]u8{' ', '|', ' ', '|', ' '},
[5]u8{' ', '|', '-', ' ', ' '},
[5]u8{' ', '|', ' ', '|', ' '},
[5]u8{' ', '|', '-', '/', ' '},
},
[5][5]u8{
[5]u8{' ', '/', '-', '\\', ' '},
[5]u8{' ', '|', ' ', ' ', ' '},
[5]u8{' ', '|', ' ', ' ', ' '},
[5]u8{' ', '|', ' ', ' ', ' '},
[5]u8{' ', '\\', '-', '/', ' '},
},
[5][5]u8{
[5]u8{' ', '|', '-', '-', ' '},
[5]u8{' ', '|', ' ', ' ', ' '},
[5]u8{' ', '|', '-', ' ', ' '},
[5]u8{' ', '|', ' ', ' ', ' '},
[5]u8{' ', '|', ' ', ' ', ' '},
},
[5][5]u8{
[5]u8{' ', ' ', '-', ' ', ' '},
[5]u8{' ', '/', ' ', '\\', ' '},
[5]u8{'|', ' ', ' ', ' ', '|'},
[5]u8{' ', '\\', ' ', '/', ' '},
[5]u8{' ', ' ', '_', ' ', ' '},
},
[5][5]u8{
[5]u8{' ', '|', ' ', '|', ' '},
[5]u8{' ', '|', ' ', '|', ' '},
[5]u8{' ', '|', '-', '|', ' '},
[5]u8{' ', '|', ' ', '|', ' '},
[5]u8{' ', '|', ' ', '|', ' '},
},
[5][5]u8{
[5]u8{' ', '/', '-', '\\', ' '},
[5]u8{' ', '|', ' ', ' ', ' '},
[5]u8{' ', ' ', '-', '\\', ' '},
[5]u8{' ', ' ', ' ', '|', ' '},
[5]u8{' ', '\\', '_', '/', ' '},
},
[5][5]u8{
[5]u8{'|', ' ', '|', ' ', '|'},
[5]u8{'|', ' ', '|', ' ', '|'},
[5]u8{'|', ' ', '|', ' ', '|'},
[5]u8{'|', ' ', '|', ' ', '|'},
[5]u8{'\\', '/', ' ', '\\', '/'},
},
};
var output = std.mem.zeroes([7][7][5][5]u8);
const stdout_file = std.io.getStdOut().writer();
var bw = std.io.bufferedWriter(stdout_file);
const stdout = bw.writer();
try stdout.print("\n", .{});
for (self.fields, 0..) |row, i| {
for (row, 0..) |field, j| {
switch (field) {
Variant.Multiplier => output[i][j] = symbols[0],
Variant.Respin => output[i][j] = symbols[1],
Variant.Empty => output[i][j] = symbols[2],
Variant.Symbol => {
switch (field.Symbol) {
Symbol.Barret => output[i][j] = symbols[3],
Symbol.Chalice => output[i][j] = symbols[4],
Symbol.Flask => output[i][j] = symbols[5],
Symbol.Gallion => output[i][j] = symbols[6],
Symbol.Hourglass => output[i][j] = symbols[7],
Symbol.Scatter => output[i][j] = symbols[8],
Symbol.Witch => output[i][j] = symbols[9],
}
}
}
}
}
// iterate over rows on board
for (0..output.len) |i| {
// iterate over fields on row
for (0..output[0][0].len) |j| {
// iterate over slices of output symbol
for (0..output[0].len) |k| {
// for (0..7) |k2| {
if (k == 0) {
try stdout.print(" ", .{});
}
if (output[i][k][j][0] != 'M') {
try stdout.print("{s}", .{output[i][k][j]});
} else {
try stdout.print("|{}|", .{self.fields[i][k].Multiplier});
}
if (k == 6) {
try stdout.print("\n", .{});
} else {
try stdout.print(" | ", .{});
}
// }
}
}
if (i != 6) {
try stdout.print(
"===================================================================================\n",
.{}
);
}
}
try stdout.print("\n", .{});
try bw.flush();
}
};