2020-08-18 08:07:06 +02:00
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import gg
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import gx
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2020-09-26 08:54:04 +02:00
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import math
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2020-08-18 08:07:06 +02:00
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import os
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import rand
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import sokol.sapp
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2020-09-11 12:19:38 +02:00
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import time
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2020-08-18 08:07:06 +02:00
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2020-09-11 12:19:38 +02:00
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struct App {
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mut:
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gg &gg.Context = 0
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touch TouchInfo
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ui Ui
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theme &Theme = themes[0]
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theme_idx int
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board Board
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undo []Undo
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atickers [4][4]int
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state GameState = .play
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tile_format TileFormat = .normal
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moves int
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perf &Perf = 0
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is_ai_mode bool
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2020-08-18 08:07:06 +02:00
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}
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2020-09-11 12:19:38 +02:00
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struct Ui {
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mut:
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dpi_scale f32
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tile_size int
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border_size int
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padding_size int
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header_size int
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font_size int
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window_width int
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window_height int
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x_padding int
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y_padding int
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}
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struct Theme {
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bg_color gx.Color
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padding_color gx.Color
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text_color gx.Color
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game_over_color gx.Color
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victory_color gx.Color
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tile_colors []gx.Color
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2020-08-18 08:07:06 +02:00
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}
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const (
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themes = [
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&Theme{
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bg_color: gx.rgb(250, 248, 239)
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padding_color: gx.rgb(143, 130, 119)
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victory_color: gx.rgb(100, 160, 100)
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game_over_color: gx.rgb(190, 50, 50)
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text_color: gx.black
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tile_colors: [
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gx.rgb(205, 193, 180), // Empty / 0 tile
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gx.rgb(238, 228, 218), // 2
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gx.rgb(237, 224, 200), // 4
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gx.rgb(242, 177, 121), // 8
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gx.rgb(245, 149, 99), // 16
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gx.rgb(246, 124, 95), // 32
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gx.rgb(246, 94, 59), // 64
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gx.rgb(237, 207, 114), // 128
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gx.rgb(237, 204, 97), // 256
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gx.rgb(237, 200, 80), // 512
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gx.rgb(237, 197, 63), // 1024
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gx.rgb(237, 194, 46), // 2048
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]
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},
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&Theme{
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bg_color: gx.rgb(55, 55, 55)
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padding_color: gx.rgb(68, 60, 59)
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victory_color: gx.rgb(100, 160, 100)
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game_over_color: gx.rgb(190, 50, 50)
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text_color: gx.white
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tile_colors: [
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gx.rgb(123, 115, 108),
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gx.rgb(142, 136, 130),
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gx.rgb(142, 134, 120),
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gx.rgb(145, 106, 72),
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gx.rgb(147, 89, 59),
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gx.rgb(147, 74, 57),
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gx.rgb(147, 56, 35),
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gx.rgb(142, 124, 68),
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gx.rgb(142, 122, 58),
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gx.rgb(142, 120, 48),
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gx.rgb(142, 118, 37),
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gx.rgb(142, 116, 27),
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]
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},
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&Theme{
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bg_color: gx.rgb(38, 38, 66)
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padding_color: gx.rgb(58, 50, 74)
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victory_color: gx.rgb(100, 160, 100)
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game_over_color: gx.rgb(190, 50, 50)
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text_color: gx.white
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tile_colors: [
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gx.rgb(92, 86, 140),
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gx.rgb(106, 99, 169),
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gx.rgb(106, 97, 156),
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gx.rgb(108, 79, 93),
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gx.rgb(110, 66, 76),
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gx.rgb(110, 55, 74),
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gx.rgb(110, 42, 45),
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gx.rgb(106, 93, 88),
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gx.rgb(106, 91, 75),
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gx.rgb(106, 90, 62),
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gx.rgb(106, 88, 48),
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gx.rgb(106, 87, 35),
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]
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},
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]
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window_title = 'V 2048'
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default_window_width = 544
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default_window_height = 560
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animation_length = 10 // frames
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2020-09-23 08:26:09 +02:00
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frames_per_ai_move = 8
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possible_moves = [Direction.up, .right, .down, .left]
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predictions_per_move = 200
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prediction_depth = 8
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)
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// Used for performance monitoring when `-d showfps` is passed, unused / optimized out otherwise
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struct Perf {
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mut:
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frame int
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frame_old int
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frame_sw time.StopWatch = time.new_stopwatch({})
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second_sw time.StopWatch = time.new_stopwatch({})
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}
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struct Pos {
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x int = -1
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y int = -1
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}
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struct Board {
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mut:
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field [4][4]int
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points int
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shifts int
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}
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2020-09-26 08:54:04 +02:00
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struct Undo {
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board Board
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state GameState
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}
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struct TileLine {
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ypos int
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mut:
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field [5]int
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points int
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shifts int
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}
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struct TouchInfo {
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mut:
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start Touch
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end Touch
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}
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struct Touch {
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mut:
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pos Pos
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time time.Time
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}
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enum TileFormat {
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normal
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log
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exponent
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shifts
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none_
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end_ // To know when to wrap around
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}
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enum GameState {
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play
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over
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victory
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freeplay
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}
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enum LabelKind {
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points
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moves
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tile
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victory
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game_over
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score_end
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}
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enum Direction {
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up
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down
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left
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right
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}
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// Utility functions
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[inline]
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fn min(a int, b int) int {
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if a < b {
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return a
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} else {
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return b
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}
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}
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[inline]
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fn max(a int, b int) int {
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if a > b {
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return a
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} else {
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return b
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}
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}
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[inline]
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fn abs(a int) int {
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if a < 0 {
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return -a
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} else {
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return a
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}
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}
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2020-09-26 08:54:04 +02:00
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[inline]
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fn avg(a int, b int) int {
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return (a + b) / 2
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}
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fn (b Board) transpose() Board {
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mut res := b
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for y in 0 .. 4 {
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for x in 0 .. 4 {
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res.field[y][x] = b.field[x][y]
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}
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}
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return res
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}
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fn (b Board) hmirror() Board {
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mut res := b
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for y in 0 .. 4 {
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for x in 0 .. 4 {
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res.field[y][x] = b.field[y][3 - x]
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}
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}
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return res
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}
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2020-09-11 12:19:38 +02:00
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// GCC optimization bug; inlining fails when compiled with -prod
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2020-08-24 10:12:52 +02:00
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[no_inline]
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2020-08-18 08:07:06 +02:00
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fn (t TileLine) to_left() TileLine {
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right_border_idx := 5
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mut res := t
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mut zeros := 0
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mut nonzeros := 0
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// gather meta info about the line:
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for x in res.field {
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if x == 0 {
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zeros++
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} else {
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nonzeros++
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}
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}
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if nonzeros == 0 {
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// when all the tiles are empty, there is nothing left to do
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return res
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}
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if zeros > 0 {
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// we have some 0s, do shifts to compact them:
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mut remaining_zeros := zeros
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for x := 0; x < right_border_idx - 1; x++ {
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for res.field[x] == 0 && remaining_zeros > 0 {
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res.shifts++
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for k := x; k < right_border_idx; k++ {
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res.field[k] = res.field[k + 1]
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}
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remaining_zeros--
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}
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}
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}
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// At this point, the non 0 tiles are all on the left, with no empty spaces
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// between them. we can safely merge them, when they have the same value:
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for x := 0; x < right_border_idx - 1; x++ {
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if res.field[x] == 0 {
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break
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}
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if res.field[x] == res.field[x + 1] {
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for k := x; k < right_border_idx; k++ {
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res.field[k] = res.field[k + 1]
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}
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res.shifts++
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res.field[x]++
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res.points += 1 << res.field[x]
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}
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}
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return res
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}
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fn (b Board) to_left() Board {
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mut res := b
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for y in 0 .. 4 {
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mut hline := TileLine{
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ypos: y
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}
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for x in 0 .. 4 {
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hline.field[x] = b.field[y][x]
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}
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reshline := hline.to_left()
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res.shifts += reshline.shifts
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res.points += reshline.points
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for x in 0 .. 4 {
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res.field[y][x] = reshline.field[x]
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}
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}
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return res
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}
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2020-09-22 10:21:20 +02:00
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fn (b Board) move(d Direction) (Board, bool) {
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new := match d {
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.left { b.to_left() }
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.right { b.hmirror().to_left().hmirror() }
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.up { b.transpose().to_left().transpose() }
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.down { b.transpose().hmirror().to_left().hmirror().transpose() }
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}
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// If the board hasn't changed, it's an illegal move, don't allow it.
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for x in 0 .. 4 {
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for y in 0 .. 4 {
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if b.field[x][y] != new.field[x][y] {
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return new, true
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}
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}
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}
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return new, false
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}
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fn (mut b Board) is_game_over() bool {
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for y in 0 .. 4 {
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for x in 0 .. 4 {
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fidx := b.field[y][x]
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if fidx == 0 {
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// there are remaining zeros
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return false
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|
|
}
|
2020-09-27 21:47:26 +02:00
|
|
|
if (x > 0 && fidx == b.field[y][x - 1]) ||
|
|
|
|
(x < 4 - 1 && fidx == b.field[y][x + 1]) ||
|
|
|
|
(y > 0 && fidx == b.field[y - 1][x]) ||
|
|
|
|
(y < 4 - 1 && fidx == b.field[y + 1][x]) {
|
2020-09-22 10:21:20 +02:00
|
|
|
// there are remaining merges
|
|
|
|
return false
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return true
|
|
|
|
}
|
|
|
|
|
2020-08-18 08:07:06 +02:00
|
|
|
fn (mut app App) update_tickers() {
|
2020-09-27 21:47:26 +02:00
|
|
|
for y in 0 .. 4 {
|
|
|
|
for x in 0 .. 4 {
|
2020-08-18 08:07:06 +02:00
|
|
|
mut old := app.atickers[y][x]
|
|
|
|
if old > 0 {
|
|
|
|
old--
|
|
|
|
app.atickers[y][x] = old
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn (mut app App) new_game() {
|
|
|
|
app.board = Board{}
|
2020-09-27 21:47:26 +02:00
|
|
|
for y in 0 .. 4 {
|
|
|
|
for x in 0 .. 4 {
|
2020-08-18 08:07:06 +02:00
|
|
|
app.board.field[y][x] = 0
|
|
|
|
app.atickers[y][x] = 0
|
|
|
|
}
|
|
|
|
}
|
|
|
|
app.state = .play
|
2020-09-27 21:47:26 +02:00
|
|
|
app.undo = []Undo{cap: 4096}
|
2020-08-18 08:07:06 +02:00
|
|
|
app.moves = 0
|
|
|
|
app.new_random_tile()
|
|
|
|
app.new_random_tile()
|
|
|
|
}
|
|
|
|
|
2020-09-26 08:54:04 +02:00
|
|
|
[inline]
|
2020-08-18 08:07:06 +02:00
|
|
|
fn (mut app App) check_for_victory() {
|
2020-09-27 21:47:26 +02:00
|
|
|
for y in 0 .. 4 {
|
|
|
|
for x in 0 .. 4 {
|
2020-08-18 08:07:06 +02:00
|
|
|
fidx := app.board.field[y][x]
|
|
|
|
if fidx == 11 {
|
2020-09-26 08:54:04 +02:00
|
|
|
app.state = .victory
|
2020-08-18 08:07:06 +02:00
|
|
|
return
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-09-26 08:54:04 +02:00
|
|
|
[inline]
|
2020-08-18 08:07:06 +02:00
|
|
|
fn (mut app App) check_for_game_over() {
|
2020-09-22 10:21:20 +02:00
|
|
|
if app.board.is_game_over() {
|
2020-09-26 08:54:04 +02:00
|
|
|
app.state = .over
|
2020-09-22 10:21:20 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn (mut b Board) place_random_tile() (Pos, int) {
|
|
|
|
mut etiles := [16]Pos{}
|
|
|
|
mut empty_tiles_max := 0
|
2020-09-27 21:47:26 +02:00
|
|
|
for y in 0 .. 4 {
|
|
|
|
for x in 0 .. 4 {
|
2020-09-22 10:21:20 +02:00
|
|
|
fidx := b.field[y][x]
|
2020-08-18 08:07:06 +02:00
|
|
|
if fidx == 0 {
|
2020-09-22 10:21:20 +02:00
|
|
|
etiles[empty_tiles_max] = Pos{x, y}
|
|
|
|
empty_tiles_max++
|
2020-08-18 08:07:06 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2020-09-22 10:21:20 +02:00
|
|
|
if empty_tiles_max > 0 {
|
|
|
|
new_random_tile_index := rand.intn(empty_tiles_max)
|
|
|
|
empty_pos := etiles[new_random_tile_index]
|
|
|
|
// 10% chance of getting a `4` tile
|
|
|
|
random_value := if rand.f64n(1.0) < 0.9 { 1 } else { 2 }
|
|
|
|
b.field[empty_pos.y][empty_pos.x] = random_value
|
|
|
|
return empty_pos, random_value
|
2020-08-18 08:07:06 +02:00
|
|
|
}
|
2020-09-22 10:21:20 +02:00
|
|
|
return Pos{}, 0
|
2020-08-18 08:07:06 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
fn (mut app App) new_random_tile() {
|
2020-09-27 21:47:26 +02:00
|
|
|
for y in 0 .. 4 {
|
|
|
|
for x in 0 .. 4 {
|
2020-08-18 08:07:06 +02:00
|
|
|
fidx := app.board.field[y][x]
|
|
|
|
if fidx == 0 {
|
2020-09-11 12:19:38 +02:00
|
|
|
app.atickers[y][x] = 0
|
2020-08-18 08:07:06 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2020-09-22 10:21:20 +02:00
|
|
|
empty_pos, random_value := app.board.place_random_tile()
|
|
|
|
if random_value > 0 {
|
2020-09-11 12:19:38 +02:00
|
|
|
app.atickers[empty_pos.y][empty_pos.x] = animation_length
|
2020-08-18 08:07:06 +02:00
|
|
|
}
|
2020-09-27 21:47:26 +02:00
|
|
|
if app.state != .freeplay {
|
|
|
|
app.check_for_victory()
|
|
|
|
}
|
2020-08-18 08:07:06 +02:00
|
|
|
app.check_for_game_over()
|
|
|
|
}
|
|
|
|
|
2020-09-22 10:21:20 +02:00
|
|
|
fn (mut app App) apply_new_board(new Board) {
|
2020-08-18 08:07:06 +02:00
|
|
|
old := app.board
|
2020-09-22 10:21:20 +02:00
|
|
|
app.moves++
|
|
|
|
app.board = new
|
2020-09-27 21:47:26 +02:00
|
|
|
app.undo << Undo{old, app.state}
|
2020-09-22 10:21:20 +02:00
|
|
|
app.new_random_tile()
|
|
|
|
}
|
|
|
|
|
|
|
|
fn (mut app App) move(d Direction) {
|
|
|
|
new, is_valid := app.board.move(d)
|
|
|
|
if !is_valid {
|
|
|
|
return
|
2020-09-11 12:19:38 +02:00
|
|
|
}
|
2020-09-22 10:21:20 +02:00
|
|
|
app.apply_new_board(new)
|
|
|
|
}
|
|
|
|
|
|
|
|
struct Prediction {
|
|
|
|
mut:
|
2020-09-27 21:47:26 +02:00
|
|
|
move Direction
|
2020-09-22 10:21:20 +02:00
|
|
|
mpoints f64
|
2020-09-23 08:26:09 +02:00
|
|
|
mcmoves f64
|
2020-09-22 10:21:20 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
fn (p Prediction) str() string {
|
2020-09-26 08:54:04 +02:00
|
|
|
return '{ move: ${p.move:5}, mpoints: ${p.mpoints:6.2f}, mcmoves: ${p.mcmoves:6.2f} }'
|
2020-09-22 10:21:20 +02:00
|
|
|
}
|
2020-09-26 08:54:04 +02:00
|
|
|
|
2020-09-22 10:21:20 +02:00
|
|
|
fn (mut app App) ai_move() {
|
|
|
|
mut predictions := [4]Prediction{}
|
|
|
|
mut is_valid := false
|
|
|
|
think_watch := time.new_stopwatch({})
|
|
|
|
for move in possible_moves {
|
|
|
|
move_idx := int(move)
|
|
|
|
predictions[move_idx].move = move
|
|
|
|
mut mpoints := 0
|
|
|
|
mut mshifts := 0
|
2020-09-23 08:26:09 +02:00
|
|
|
mut mcmoves := 0
|
2020-09-27 21:47:26 +02:00
|
|
|
for _ in 0 .. predictions_per_move {
|
2020-09-22 10:21:20 +02:00
|
|
|
mut cboard := app.board
|
|
|
|
cboard, is_valid = cboard.move(move)
|
2020-09-27 21:47:26 +02:00
|
|
|
if !is_valid || cboard.is_game_over() {
|
|
|
|
continue
|
|
|
|
}
|
2020-09-22 10:21:20 +02:00
|
|
|
mpoints += cboard.points
|
|
|
|
cboard.place_random_tile()
|
|
|
|
mut cmoves := 0
|
|
|
|
for !cboard.is_game_over() {
|
|
|
|
nmove := possible_moves[rand.intn(possible_moves.len)]
|
2020-09-26 08:54:04 +02:00
|
|
|
cboard, is_valid = cboard.move(nmove)
|
2020-09-27 21:47:26 +02:00
|
|
|
if !is_valid {
|
|
|
|
continue
|
|
|
|
}
|
2020-09-22 10:21:20 +02:00
|
|
|
cboard.place_random_tile()
|
|
|
|
cmoves++
|
2020-09-27 21:47:26 +02:00
|
|
|
if cmoves > prediction_depth {
|
|
|
|
break
|
|
|
|
}
|
2020-09-12 08:25:44 +02:00
|
|
|
}
|
2020-09-22 10:21:20 +02:00
|
|
|
mpoints += cboard.points
|
|
|
|
mshifts += cboard.shifts
|
2020-09-23 08:26:09 +02:00
|
|
|
mcmoves += cmoves
|
2020-09-12 08:25:44 +02:00
|
|
|
}
|
2020-09-26 08:54:04 +02:00
|
|
|
predictions[move_idx].mpoints = f64(mpoints) / predictions_per_move
|
|
|
|
predictions[move_idx].mcmoves = f64(mcmoves) / predictions_per_move
|
2020-08-18 08:07:06 +02:00
|
|
|
}
|
2020-09-26 08:54:04 +02:00
|
|
|
think_time := think_watch.elapsed().milliseconds()
|
2020-09-27 21:47:26 +02:00
|
|
|
mut bestprediction := Prediction{
|
|
|
|
mpoints: -1
|
|
|
|
}
|
|
|
|
for move_idx in 0 .. possible_moves.len {
|
2020-09-22 10:21:20 +02:00
|
|
|
if bestprediction.mpoints < predictions[move_idx].mpoints {
|
|
|
|
bestprediction = predictions[move_idx]
|
|
|
|
}
|
|
|
|
}
|
2020-09-26 08:54:04 +02:00
|
|
|
eprintln('Simulation time: ${think_time:4}ms | best $bestprediction')
|
|
|
|
app.move(bestprediction.move)
|
2020-08-18 08:07:06 +02:00
|
|
|
}
|
|
|
|
|
2020-09-11 12:19:38 +02:00
|
|
|
fn (app &App) label_format(kind LabelKind) gx.TextCfg {
|
|
|
|
match kind {
|
2020-09-27 21:47:26 +02:00
|
|
|
.points { return {
|
|
|
|
color: if app.state in [.over, .victory] {
|
|
|
|
gx.white
|
|
|
|
} else {
|
|
|
|
app.theme.text_color
|
|
|
|
}
|
2020-09-11 12:19:38 +02:00
|
|
|
align: .left
|
|
|
|
size: app.ui.font_size / 2
|
2020-09-27 21:47:26 +02:00
|
|
|
} }
|
|
|
|
.moves { return {
|
|
|
|
color: if app.state in [.over, .victory] {
|
|
|
|
gx.white
|
|
|
|
} else {
|
|
|
|
app.theme.text_color
|
|
|
|
}
|
2020-09-11 12:19:38 +02:00
|
|
|
align: .right
|
|
|
|
size: app.ui.font_size / 2
|
2020-09-27 21:47:26 +02:00
|
|
|
} }
|
|
|
|
.tile { return {
|
2020-09-11 12:19:38 +02:00
|
|
|
color: app.theme.text_color
|
|
|
|
align: .center
|
|
|
|
vertical_align: .middle
|
|
|
|
size: app.ui.font_size
|
2020-09-27 21:47:26 +02:00
|
|
|
} }
|
|
|
|
.victory { return {
|
2020-09-11 12:19:38 +02:00
|
|
|
color: app.theme.victory_color
|
|
|
|
align: .center
|
|
|
|
vertical_align: .middle
|
|
|
|
size: app.ui.font_size * 2
|
2020-09-27 21:47:26 +02:00
|
|
|
} }
|
|
|
|
.game_over { return {
|
2020-09-11 12:19:38 +02:00
|
|
|
color: app.theme.game_over_color
|
|
|
|
align: .center
|
|
|
|
vertical_align: .middle
|
|
|
|
size: app.ui.font_size * 2
|
2020-09-27 21:47:26 +02:00
|
|
|
} }
|
|
|
|
.score_end { return {
|
2020-09-26 08:54:04 +02:00
|
|
|
color: gx.white
|
2020-09-12 08:25:44 +02:00
|
|
|
align: .center
|
|
|
|
vertical_align: .middle
|
2020-09-26 08:54:04 +02:00
|
|
|
size: app.ui.font_size * 3 / 4
|
2020-09-27 21:47:26 +02:00
|
|
|
} }
|
2020-09-11 12:19:38 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-09-26 08:54:04 +02:00
|
|
|
[inline]
|
2020-09-11 12:19:38 +02:00
|
|
|
fn (mut app App) set_theme(idx int) {
|
|
|
|
theme := themes[idx]
|
|
|
|
app.theme_idx = idx
|
|
|
|
app.theme = theme
|
|
|
|
app.gg.set_bg_color(theme.bg_color)
|
|
|
|
}
|
|
|
|
|
|
|
|
fn (mut app App) resize() {
|
2020-09-26 08:54:04 +02:00
|
|
|
mut s := sapp.dpi_scale()
|
2020-09-27 21:47:26 +02:00
|
|
|
if s == 0.0 {
|
|
|
|
s = 1.0
|
|
|
|
}
|
2020-09-11 12:19:38 +02:00
|
|
|
w := int(sapp.width() / s)
|
|
|
|
h := int(sapp.height() / s)
|
|
|
|
m := f32(min(w, h))
|
2020-09-26 08:54:04 +02:00
|
|
|
app.ui.dpi_scale = s
|
2020-09-11 12:19:38 +02:00
|
|
|
app.ui.window_width = w
|
|
|
|
app.ui.window_height = h
|
|
|
|
app.ui.padding_size = int(m / 38)
|
|
|
|
app.ui.header_size = app.ui.padding_size
|
|
|
|
app.ui.border_size = app.ui.padding_size * 2
|
|
|
|
app.ui.tile_size = int((m - app.ui.padding_size * 5 - app.ui.border_size * 2) / 4)
|
|
|
|
app.ui.font_size = int(m / 10)
|
|
|
|
// If the window's height is greater than its width, center the board vertically.
|
|
|
|
// If not, center it horizontally
|
|
|
|
if w > h {
|
|
|
|
app.ui.y_padding = 0
|
|
|
|
app.ui.x_padding = (app.ui.window_width - app.ui.window_height) / 2
|
|
|
|
} else {
|
|
|
|
app.ui.y_padding = (app.ui.window_height - app.ui.window_width - app.ui.header_size) / 2
|
|
|
|
app.ui.x_padding = 0
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn (app &App) draw() {
|
2020-09-26 08:54:04 +02:00
|
|
|
xpad, ypad := app.ui.x_padding, app.ui.y_padding
|
2020-09-11 12:19:38 +02:00
|
|
|
ww := app.ui.window_width
|
|
|
|
wh := app.ui.window_height
|
2020-09-26 08:54:04 +02:00
|
|
|
m := min(ww, wh)
|
|
|
|
labelx := xpad + app.ui.border_size
|
|
|
|
labely := ypad + app.ui.border_size / 2
|
2020-09-11 12:19:38 +02:00
|
|
|
app.draw_tiles()
|
|
|
|
// TODO: Make transparency work in `gg`
|
|
|
|
if app.state == .over {
|
2020-09-26 08:54:04 +02:00
|
|
|
app.gg.draw_rect(0, 0, ww, wh, gx.rgba(10, 0, 0, 180))
|
|
|
|
app.gg.draw_text(ww / 2, (m * 4 / 10) + ypad, 'Game Over', app.label_format(.game_over))
|
|
|
|
f := app.label_format(.tile)
|
|
|
|
msg := $if android { 'Tap to restart' } $else { 'Press `r` to restart' }
|
2020-09-27 21:47:26 +02:00
|
|
|
app.gg.draw_text(ww / 2, (m * 6 / 10) + ypad, msg, {
|
|
|
|
f |
|
|
|
|
color: gx.white
|
|
|
|
size: f.size * 3 / 4
|
|
|
|
})
|
2020-09-11 12:19:38 +02:00
|
|
|
}
|
|
|
|
if app.state == .victory {
|
2020-09-26 08:54:04 +02:00
|
|
|
app.gg.draw_rect(0, 0, ww, wh, gx.rgba(0, 10, 0, 180))
|
|
|
|
app.gg.draw_text(ww / 2, (m * 4 / 10) + ypad, 'Victory!', app.label_format(.victory))
|
|
|
|
// f := app.label_format(.tile)
|
|
|
|
msg1 := $if android { 'Tap to continue' } $else { 'Press `space` to continue' }
|
|
|
|
msg2 := $if android { 'Tap to restart' } $else { 'Press `r` to restart' }
|
|
|
|
app.gg.draw_text(ww / 2, (m * 6 / 10) + ypad, msg1, app.label_format(.score_end))
|
|
|
|
app.gg.draw_text(ww / 2, (m * 8 / 10) + ypad, msg2, app.label_format(.score_end))
|
2020-09-11 12:19:38 +02:00
|
|
|
}
|
2020-09-26 08:54:04 +02:00
|
|
|
// Draw at the end, so that it's on top of the victory / game over overlays
|
|
|
|
app.gg.draw_text(labelx, labely, 'Points: $app.board.points', app.label_format(.points))
|
|
|
|
app.gg.draw_text(ww - labelx, labely, 'Moves: $app.moves', app.label_format(.moves))
|
2020-09-11 12:19:38 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
fn (app &App) draw_tiles() {
|
|
|
|
xstart := app.ui.x_padding + app.ui.border_size
|
|
|
|
ystart := app.ui.y_padding + app.ui.border_size + app.ui.header_size
|
|
|
|
toffset := app.ui.tile_size + app.ui.padding_size
|
|
|
|
tiles_size := min(app.ui.window_width, app.ui.window_height) - app.ui.border_size * 2
|
|
|
|
// Draw the padding around the tiles
|
2021-01-01 12:04:51 +01:00
|
|
|
app.gg.draw_rounded_rect(xstart, ystart, tiles_size / 2, tiles_size / 2, tiles_size / 24, app.theme.padding_color)
|
2020-09-11 12:19:38 +02:00
|
|
|
// Draw the actual tiles
|
2020-09-27 21:47:26 +02:00
|
|
|
for y in 0 .. 4 {
|
|
|
|
for x in 0 .. 4 {
|
2020-09-11 12:19:38 +02:00
|
|
|
tidx := app.board.field[y][x]
|
|
|
|
tile_color := if tidx < app.theme.tile_colors.len {
|
|
|
|
app.theme.tile_colors[tidx]
|
|
|
|
} else {
|
|
|
|
// If there isn't a specific color for this tile, reuse the last color available
|
|
|
|
app.theme.tile_colors.last()
|
|
|
|
}
|
|
|
|
anim_size := animation_length - app.atickers[y][x]
|
|
|
|
tw := int(f64(app.ui.tile_size) / animation_length * anim_size)
|
|
|
|
th := tw // square tiles, w == h
|
|
|
|
xoffset := xstart + app.ui.padding_size + x * toffset + (app.ui.tile_size - tw) / 2
|
|
|
|
yoffset := ystart + app.ui.padding_size + y * toffset + (app.ui.tile_size - th) / 2
|
2021-01-01 12:04:51 +01:00
|
|
|
app.gg.draw_rounded_rect(xoffset, yoffset, tw / 2, th / 2, tw / 8, tile_color)
|
2020-09-11 12:19:38 +02:00
|
|
|
if tidx != 0 { // 0 == blank spot
|
|
|
|
xpos := xoffset + tw / 2
|
|
|
|
ypos := yoffset + th / 2
|
|
|
|
mut fmt := app.label_format(.tile)
|
2020-09-27 21:47:26 +02:00
|
|
|
fmt = {
|
|
|
|
fmt |
|
|
|
|
size: int(f32(fmt.size - 1) / animation_length * anim_size)
|
|
|
|
}
|
2020-09-11 12:19:38 +02:00
|
|
|
match app.tile_format {
|
|
|
|
.normal {
|
2020-10-26 12:14:21 +01:00
|
|
|
app.gg.draw_text(xpos, ypos, '${1 << tidx}', fmt)
|
2020-09-27 21:47:26 +02:00
|
|
|
}
|
|
|
|
.log {
|
2020-09-11 12:19:38 +02:00
|
|
|
app.gg.draw_text(xpos, ypos, '$tidx', fmt)
|
2020-09-27 21:47:26 +02:00
|
|
|
}
|
|
|
|
.exponent {
|
2020-09-11 12:19:38 +02:00
|
|
|
app.gg.draw_text(xpos, ypos, '2', fmt)
|
|
|
|
fs2 := int(f32(fmt.size) * 0.67)
|
|
|
|
app.gg.draw_text(xpos + app.ui.tile_size / 10, ypos - app.ui.tile_size / 8,
|
2020-09-27 21:47:26 +02:00
|
|
|
'$tidx', {
|
|
|
|
fmt |
|
|
|
|
size: fs2
|
|
|
|
align: gx.HorizontalAlign.left
|
|
|
|
})
|
|
|
|
}
|
|
|
|
.shifts {
|
2020-09-11 12:19:38 +02:00
|
|
|
fs2 := int(f32(fmt.size) * 0.6)
|
2020-10-26 12:14:21 +01:00
|
|
|
app.gg.draw_text(xpos, ypos, '2<<${tidx - 1}', {
|
2020-09-27 21:47:26 +02:00
|
|
|
fmt |
|
|
|
|
size: fs2
|
|
|
|
})
|
|
|
|
}
|
|
|
|
.none_ {} // Don't draw any text here, colors only
|
2020-09-11 12:19:38 +02:00
|
|
|
.end_ {} // Should never get here
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-09-26 08:54:04 +02:00
|
|
|
fn (mut app App) handle_touches() {
|
|
|
|
s, e := app.touch.start, app.touch.end
|
|
|
|
adx, ady := abs(e.pos.x - s.pos.x), abs(e.pos.y - s.pos.y)
|
|
|
|
if max(adx, ady) < 10 {
|
|
|
|
app.handle_tap()
|
|
|
|
} else {
|
|
|
|
app.handle_swipe()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn (mut app App) handle_tap() {
|
|
|
|
_, ypad := app.ui.x_padding, app.ui.y_padding
|
|
|
|
w, h := app.ui.window_width, app.ui.window_height
|
|
|
|
m := min(w, h)
|
|
|
|
s, e := app.touch.start, app.touch.end
|
|
|
|
avgx, avgy := avg(s.pos.x, e.pos.x), avg(s.pos.y, e.pos.y)
|
|
|
|
// TODO: Replace "touch spots" with actual buttons
|
|
|
|
// bottom left -> change theme
|
2020-09-27 21:47:26 +02:00
|
|
|
if avgx < 200 && h - avgy < 200 {
|
|
|
|
app.next_theme()
|
|
|
|
}
|
2020-09-26 08:54:04 +02:00
|
|
|
// bottom right -> change tile format
|
2020-09-27 21:47:26 +02:00
|
|
|
if w - avgx < 200 && h - avgy < 200 {
|
|
|
|
app.next_tile_format()
|
|
|
|
}
|
2020-09-26 08:54:04 +02:00
|
|
|
if app.state == .victory {
|
|
|
|
if avgy > (m / 2) + ypad {
|
|
|
|
if avgy < (m * 7 / 10) + ypad {
|
|
|
|
app.state = .freeplay
|
|
|
|
} else if avgy < (m * 9 / 10) + ypad {
|
|
|
|
app.new_game()
|
|
|
|
} else {
|
|
|
|
// TODO remove and implement an actual way to toggle themes on mobile
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else if app.state == .over {
|
|
|
|
if avgy > (m / 2) + ypad && avgy < (m * 7 / 10) + ypad {
|
|
|
|
app.new_game()
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn (mut app App) handle_swipe() {
|
2020-09-27 21:47:26 +02:00
|
|
|
// Currently, swipes are only used to move the tiles.
|
2020-09-26 08:54:04 +02:00
|
|
|
// If the user's not playing, exit early to avoid all the unnecessary calculations
|
2020-09-27 21:47:26 +02:00
|
|
|
if app.state !in [.play, .freeplay] {
|
|
|
|
return
|
|
|
|
}
|
2020-09-26 08:54:04 +02:00
|
|
|
s, e := app.touch.start, app.touch.end
|
|
|
|
w, h := app.ui.window_width, app.ui.window_height
|
|
|
|
dx, dy := e.pos.x - s.pos.x, e.pos.y - s.pos.y
|
|
|
|
adx, ady := abs(dx), abs(dy)
|
|
|
|
dmin := if min(adx, ady) > 0 { min(adx, ady) } else { 1 }
|
|
|
|
dmax := if max(adx, ady) > 0 { max(adx, ady) } else { 1 }
|
|
|
|
tdiff := int(e.time.unix_time_milli() - s.time.unix_time_milli())
|
|
|
|
// TODO: make this calculation more accurate (don't use arbitrary numbers)
|
|
|
|
min_swipe_distance := int(math.sqrt(min(w, h) * tdiff / 60)) + 20
|
2020-09-27 21:47:26 +02:00
|
|
|
if dmax < min_swipe_distance {
|
|
|
|
return
|
|
|
|
}
|
|
|
|
// Swipe was too short
|
|
|
|
if dmax / dmin < 2 {
|
|
|
|
return
|
|
|
|
}
|
|
|
|
// Swiped diagonally
|
2020-09-11 12:19:38 +02:00
|
|
|
if adx > ady {
|
2020-09-27 21:47:26 +02:00
|
|
|
if dx < 0 {
|
|
|
|
app.move(.left)
|
|
|
|
} else {
|
|
|
|
app.move(.right)
|
|
|
|
}
|
2020-09-11 12:19:38 +02:00
|
|
|
} else {
|
2020-09-27 21:47:26 +02:00
|
|
|
if dy < 0 {
|
|
|
|
app.move(.up)
|
|
|
|
} else {
|
|
|
|
app.move(.down)
|
|
|
|
}
|
2020-09-11 12:19:38 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-09-26 08:54:04 +02:00
|
|
|
[inline]
|
|
|
|
fn (mut app App) next_theme() {
|
2020-09-27 21:47:26 +02:00
|
|
|
app.set_theme(if app.theme_idx == themes.len - 1 {
|
|
|
|
0
|
|
|
|
} else {
|
|
|
|
app.theme_idx + 1
|
|
|
|
})
|
2020-09-26 08:54:04 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
[inline]
|
|
|
|
fn (mut app App) next_tile_format() {
|
2021-01-08 17:41:52 +01:00
|
|
|
app.tile_format = TileFormat(int(app.tile_format) + 1)
|
2020-09-26 08:54:04 +02:00
|
|
|
if app.tile_format == .end_ {
|
|
|
|
app.tile_format = .normal
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
[inline]
|
|
|
|
fn (mut app App) undo() {
|
|
|
|
if app.undo.len > 0 {
|
|
|
|
undo := app.undo.pop()
|
|
|
|
app.board = undo.board
|
|
|
|
app.state = undo.state
|
|
|
|
app.moves--
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2020-08-18 08:07:06 +02:00
|
|
|
fn (mut app App) on_key_down(key sapp.KeyCode) {
|
|
|
|
// these keys are independent from the game state:
|
|
|
|
match key {
|
2020-09-27 21:47:26 +02:00
|
|
|
.a { app.is_ai_mode = !app.is_ai_mode }
|
|
|
|
.escape { exit(0) }
|
|
|
|
.n, .r { app.new_game() }
|
|
|
|
.backspace { app.undo() }
|
|
|
|
.enter { app.next_tile_format() }
|
|
|
|
.j { app.state = .over }
|
|
|
|
.t { app.next_theme() }
|
|
|
|
else {}
|
2020-08-18 08:07:06 +02:00
|
|
|
}
|
2020-09-26 08:54:04 +02:00
|
|
|
if app.state in [.play, .freeplay] {
|
2020-08-18 08:07:06 +02:00
|
|
|
match key {
|
2020-09-27 21:47:26 +02:00
|
|
|
.w, .up { app.move(.up) }
|
|
|
|
.a, .left { app.move(.left) }
|
|
|
|
.s, .down { app.move(.down) }
|
2020-09-11 12:19:38 +02:00
|
|
|
.d, .right { app.move(.right) }
|
2020-08-18 08:07:06 +02:00
|
|
|
else {}
|
|
|
|
}
|
|
|
|
}
|
2020-09-26 08:54:04 +02:00
|
|
|
if app.state == .victory {
|
2020-09-27 21:47:26 +02:00
|
|
|
if key == .space {
|
|
|
|
app.state = .freeplay
|
|
|
|
}
|
2020-09-26 08:54:04 +02:00
|
|
|
}
|
2020-08-18 08:07:06 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
fn on_event(e &sapp.Event, mut app App) {
|
2020-09-11 12:19:38 +02:00
|
|
|
match e.typ {
|
|
|
|
.key_down {
|
|
|
|
app.on_key_down(e.key_code)
|
2020-09-27 21:47:26 +02:00
|
|
|
}
|
|
|
|
.resized, .restored, .resumed {
|
2020-09-11 12:19:38 +02:00
|
|
|
app.resize()
|
2020-09-27 21:47:26 +02:00
|
|
|
}
|
|
|
|
.touches_began {
|
2020-09-11 12:19:38 +02:00
|
|
|
if e.num_touches > 0 {
|
|
|
|
t := e.touches[0]
|
2020-09-26 08:54:04 +02:00
|
|
|
app.touch.start = {
|
|
|
|
pos: {
|
2020-09-27 21:47:26 +02:00
|
|
|
x: int(t.pos_x / app.ui.dpi_scale)
|
2020-09-26 08:54:04 +02:00
|
|
|
y: int(t.pos_y / app.ui.dpi_scale)
|
2020-09-27 21:47:26 +02:00
|
|
|
}
|
2020-09-26 08:54:04 +02:00
|
|
|
time: time.now()
|
|
|
|
}
|
2020-09-11 12:19:38 +02:00
|
|
|
}
|
2020-09-27 21:47:26 +02:00
|
|
|
}
|
|
|
|
.touches_ended {
|
2020-09-11 12:19:38 +02:00
|
|
|
if e.num_touches > 0 {
|
|
|
|
t := e.touches[0]
|
2020-09-26 08:54:04 +02:00
|
|
|
app.touch.end = {
|
|
|
|
pos: {
|
2020-09-27 21:47:26 +02:00
|
|
|
x: int(t.pos_x / app.ui.dpi_scale)
|
2020-09-26 08:54:04 +02:00
|
|
|
y: int(t.pos_y / app.ui.dpi_scale)
|
2020-09-27 21:47:26 +02:00
|
|
|
}
|
2020-09-26 08:54:04 +02:00
|
|
|
time: time.now()
|
|
|
|
}
|
|
|
|
app.handle_touches()
|
|
|
|
}
|
2020-09-27 21:47:26 +02:00
|
|
|
}
|
|
|
|
.mouse_down {
|
2020-09-26 08:54:04 +02:00
|
|
|
app.touch.start = {
|
|
|
|
pos: {
|
2020-09-27 21:47:26 +02:00
|
|
|
x: int(e.mouse_x / app.ui.dpi_scale)
|
2020-09-26 08:54:04 +02:00
|
|
|
y: int(e.mouse_y / app.ui.dpi_scale)
|
2020-09-27 21:47:26 +02:00
|
|
|
}
|
2020-09-26 08:54:04 +02:00
|
|
|
time: time.now()
|
2020-09-11 12:19:38 +02:00
|
|
|
}
|
2020-09-27 21:47:26 +02:00
|
|
|
}
|
|
|
|
.mouse_up {
|
2020-09-26 08:54:04 +02:00
|
|
|
app.touch.end = {
|
|
|
|
pos: {
|
2020-09-27 21:47:26 +02:00
|
|
|
x: int(e.mouse_x / app.ui.dpi_scale)
|
2020-09-26 08:54:04 +02:00
|
|
|
y: int(e.mouse_y / app.ui.dpi_scale)
|
2020-09-27 21:47:26 +02:00
|
|
|
}
|
2020-09-26 08:54:04 +02:00
|
|
|
time: time.now()
|
|
|
|
}
|
|
|
|
app.handle_touches()
|
2020-09-27 21:47:26 +02:00
|
|
|
}
|
|
|
|
else {}
|
2020-08-18 08:07:06 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
fn frame(mut app App) {
|
2020-09-27 21:47:26 +02:00
|
|
|
$if showfps ? {
|
|
|
|
app.perf.frame_sw.restart()
|
|
|
|
}
|
2020-08-18 08:07:06 +02:00
|
|
|
app.gg.begin()
|
2020-09-11 12:19:38 +02:00
|
|
|
app.update_tickers()
|
2020-08-18 08:07:06 +02:00
|
|
|
app.draw()
|
2020-09-22 10:21:20 +02:00
|
|
|
app.perf.frame++
|
2020-09-26 08:54:04 +02:00
|
|
|
if app.is_ai_mode && app.state in [.play, .freeplay] && app.perf.frame % frames_per_ai_move == 0 {
|
2020-09-22 10:21:20 +02:00
|
|
|
app.ai_move()
|
|
|
|
}
|
2020-09-27 21:47:26 +02:00
|
|
|
$if showfps ? {
|
|
|
|
app.showfps()
|
|
|
|
}
|
2020-09-22 10:21:20 +02:00
|
|
|
app.gg.end()
|
2020-08-18 08:07:06 +02:00
|
|
|
}
|
|
|
|
|
2020-09-11 12:19:38 +02:00
|
|
|
fn init(mut app App) {
|
|
|
|
app.resize()
|
2020-09-27 21:47:26 +02:00
|
|
|
$if showfps ? {
|
2020-09-11 12:19:38 +02:00
|
|
|
app.perf.frame_sw.restart()
|
|
|
|
app.perf.second_sw.restart()
|
2020-08-18 08:07:06 +02:00
|
|
|
}
|
2020-09-11 12:19:38 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
fn (mut app App) showfps() {
|
|
|
|
println(app.perf.frame_sw.elapsed().microseconds())
|
|
|
|
f := app.perf.frame
|
|
|
|
if (f & 127) == 0 {
|
|
|
|
last_frame_us := app.perf.frame_sw.elapsed().microseconds()
|
|
|
|
ticks := f64(app.perf.second_sw.elapsed().milliseconds())
|
|
|
|
fps := f64(app.perf.frame - app.perf.frame_old) * ticks / 1000 / 4.5
|
2020-09-27 21:47:26 +02:00
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|
|
last_fps := 128000.0 / ticks
|
2020-09-11 12:19:38 +02:00
|
|
|
eprintln('frame ${f:-5} | avg. fps: ${fps:-5.1f} | avg. last 128 fps: ${last_fps:-5.1f} | last frame time: ${last_frame_us:-4}µs')
|
|
|
|
app.perf.second_sw.restart()
|
|
|
|
app.perf.frame_old = f
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// TODO: Move this somewhere else (vlib?) once Android support is merged
|
|
|
|
$if android {
|
|
|
|
#include <android/log.h>
|
|
|
|
#define LOG_TAG "v_logcat_test"
|
|
|
|
#define printf(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
|
|
|
|
#define fprintf(a, ...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
|
|
|
|
}
|
|
|
|
fn main() {
|
|
|
|
mut app := &App{}
|
2020-08-18 08:07:06 +02:00
|
|
|
app.new_game()
|
2020-09-11 12:19:38 +02:00
|
|
|
mut font_path := os.resource_abs_path(os.join_path('../assets/fonts/', 'RobotoMono-Regular.ttf'))
|
|
|
|
$if android {
|
2020-09-26 08:54:04 +02:00
|
|
|
font_path = 'fonts/RobotoMono-Regular.ttf'
|
2020-09-11 12:19:38 +02:00
|
|
|
}
|
2021-01-10 21:41:29 +01:00
|
|
|
mut window_title_ := 'V 2048'
|
2020-09-11 12:19:38 +02:00
|
|
|
// TODO: Make emcc a real platform ifdef
|
2020-09-27 21:47:26 +02:00
|
|
|
$if emscripten ? {
|
2020-09-11 12:19:38 +02:00
|
|
|
// in emscripten, sokol uses `window_title` as the selector to the canvas it'll render to,
|
|
|
|
// and since `document.querySelector('V 2048')` isn't valid JS, we use `canvas` instead
|
2021-01-10 21:41:29 +01:00
|
|
|
window_title_ = 'canvas'
|
2020-09-11 12:19:38 +02:00
|
|
|
}
|
2020-09-22 10:21:20 +02:00
|
|
|
app.perf = &Perf{}
|
2020-08-18 08:07:06 +02:00
|
|
|
app.gg = gg.new_context({
|
2020-09-11 12:19:38 +02:00
|
|
|
bg_color: app.theme.bg_color
|
|
|
|
width: default_window_width
|
|
|
|
height: default_window_height
|
2021-01-01 12:04:51 +01:00
|
|
|
sample_count: 8 // higher quality curves
|
2020-08-18 08:07:06 +02:00
|
|
|
create_window: true
|
2021-01-10 21:41:29 +01:00
|
|
|
window_title: window_title_
|
2020-08-18 08:07:06 +02:00
|
|
|
frame_fn: frame
|
|
|
|
event_fn: on_event
|
2020-09-11 12:19:38 +02:00
|
|
|
init_fn: init
|
2020-08-18 08:07:06 +02:00
|
|
|
user_data: app
|
2020-09-11 12:19:38 +02:00
|
|
|
font_path: font_path
|
2020-08-18 08:07:06 +02:00
|
|
|
})
|
|
|
|
app.gg.run()
|
2020-09-12 08:25:44 +02:00
|
|
|
}
|