101 lines
2.4 KiB
Ruby
101 lines
2.4 KiB
Ruby
require "xxhash"
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# Game logic main class
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class GameLogic
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@seed = rand(111_111..999_999)
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@pos = {
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board: {},
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lost: {},
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cache: {},
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}
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# Returns a pseudorandom number between 0 and 100
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def self.hash(data)
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XXhash.xxh32(data.to_s, @seed) % 100
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end
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def self.reset_pos
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@pos.each_value(&:clear)
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end
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def self.reveal(g_x, g_y)
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l_x = ((g_x % 9) + 9) % 9
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l_y = ((g_y % 9) + 9) % 9
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s_x = (g_x / 9).floor
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s_y = (g_y / 9).floor
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return if @pos.board["#{s_x}:#{s_y}"] == true
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build_sector(s_x, s_y) if @pos.board["#{s_x}:#{s_y}"].nil?
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return if @pos.board["#{s_x}:#{s_y}"][l_x][l_y][1] || @pos.board["#{s_x}:#{s_y}"][l_x][l_y][2]
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if @pos.board["#{s_x}:#{s_y}"][l_x][l_y][0] == -1
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@pos.lost["#{s_x}:#{s_y}"] = 1
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elsif @pos.board["#{s_x}:#{s_y}"][l_x][l_y][0].zero?
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(-1..1).each do |x|
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(-1..1).each do |y|
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next if x.zero? && y.zero?
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reveal(g_x + x, g_y + y)
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end
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end
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else
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@pos.board["#{s_x}:#{s_y}"][l_x][l_y][1] = true
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end
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@pos.board["#{s_x}:#{s_y}"] = true if solved?(s_x, s_y)
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end
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def self.solved?(s_x, s_y)
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(0..8).each do |l_x|
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(0..8).each do |l_y|
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return false if !@pos.board["#{s_x}:#{s_y}"][l_x][l_y][1] && @pos.board["#{s_x}:#{s_y}"][l_x][l_y][0] != -1
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end
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end
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true
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end
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def self.count(g_x, g_y)
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sum = 0
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(-1..1).each do |x|
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(-1..1).each do |y|
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next if x.zero? && y.zero?
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sum += 1 if mine?(g_x + x, g_y + y)
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end
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end
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sum
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end
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def self.build_sector(s_x, s_y)
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@pos.board["#{s_x}:#{s_y}"] = []
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(0..8).each do |l_x|
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@pos.board["#{s_x}:#{s_y}"][l_x] = []
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(0..8).each do |l_y|
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g_x = l_x + s_x * 9
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g_y = l_y + s_y * 9
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@pos.board["#{s_x}:#{s_y}"][l_x][l_y] = [
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mine?(g_x, g_y) ? -1 : count(g_x, g_y),
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false, false,
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]
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end
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end
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end
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def self.build_cache(s_x, s_y)
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return if @pos.cache["#{s_x}:#{s_y}"]
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return unless @pos.board["#{s_x}:#{s_y}"] == 1
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@pos.cache["#{s_x}:#{s_y}"] = []
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(0..8).each do |l_x|
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@pos.cache["#{s_x}:#{s_y}"][l_x] = []
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(0..8).each do |l_y|
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g_x = l_x + s_x * 9
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g_y = l_y + s_y * 9
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@pos.cache["#{s_x}:#{s_y}"][l_x][l_y] =
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mine?(g_x, g_y) ? [-1, false, true] : [count(g_x, g_y), true, false]
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end
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end
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end
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def self.mine?(g_x, g_y)
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g_x == 4 || g_y == 4 ? false : hash("#{g_x}:#{g_y}") < 17
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end
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end
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