1/* Copyright Statement:
2 *
3 * (C) 2021-2025  Cubios Inc. All rights reserved.
4 */
5 
6#include "Scramble.h"
7 
8namespace Cubios
9{
10 
11    void Scramble::rememberCurrentTopology()
12    {
13        for (uint8_t screen = 0; screen < SCREENS_MAX; ++screen)
14        {
15            Cubios::TOPOLOGY_getAdjacentFacelet(0, screen, NEIGHBOR_TOP, &TopFaceletsStarting[screen][0]);
16 
17            for (uint8_t i = 1; i < MODULES_MAX / 2; ++i)
18            {
19                Cubios::TOPOLOGY_getAdjacentFacelet(TopFaceletsStarting[screen][i - 1].module, TopFaceletsStarting[screen][i - 1].screen, NEIGHBOR_TOP, &TopFaceletsStarting[screen][i]);
20                Cubios::TOPOLOGY_getAdjacentFacelet(TopFaceletsStarting[screen][i].module, TopFaceletsStarting[screen][i].screen, NEIGHBOR_RIGHT, &TopFaceletsStarting[screen][i]);
21            }
22        }
23        memcpy(&TopFaceletsEndind, &TopFaceletsStarting, sizeof(TopFaceletsStarting));
24    };
25 
26    void Scramble::rotate(uint8_t scr, uint8_t dir)
27    {
28        Cubios::TOPOLOGY_twistInfo_t twist;
29        twist.count = 1;
30        twist.screen = scr;
31        twist.direction = dir;
32 
33        this->on_BeforeTwist();
34 
35        if (dir == TWIST_LEFT)
36        {
37            for (uint8_t i = 0; i < MODULES_MAX / 2 - 1; ++i)
38            {
39                std::swap(TopFaceletsEndind[twist.screen][i], TopFaceletsEndind[twist.screen][(i + 1)]);
40            }
41        }
42        else if (dir == TWIST_RIGHT)
43        {
44            for (uint8_t i = MODULES_MAX / 2 - 1; i >= 1; --i)
45            {
46                std::swap(TopFaceletsEndind[twist.screen][i], TopFaceletsEndind[twist.screen][(i - 1)]);
47            }
48        }
49 
50        for (uint8_t i = 0; i < MODULES_MAX / 2; ++i)
51        {
52            for (uint8_t screen = 0; screen < SCREENS_MAX; ++screen)
53            {
54                this->on_MappingChanged(
55                    TopFaceletsEndind[twist.screen][i].module,
56                    (TopFaceletsEndind[twist.screen][i].screen + screen) % SCREENS_MAX,
57                    TopFaceletsStarting[twist.screen][i].module,
58                    (TopFaceletsStarting[twist.screen][i].screen + screen) % SCREENS_MAX);
59            }
60        }
61 
62        this->on_Twist(twist);
63    };
64 
65    void Scramble::StartScramble(uint8_t twistsCount)
66    {
67        if (twistsCount < 1)
68            return;
69 
70        uint8_t screen;
71        uint8_t direction;
72 
73        for (uint32_t twistI = 0; twistI < twistsCount; ++twistI)
74        {
75            this->rememberCurrentTopology();
76 
77            screen = Cubios::random(0, SCREENS_MAX - 1);
78            direction = Cubios::random(TWIST_LEFT, TWIST_RIGHT);
79 
80            if (screen == this->previosTwist.screen)
81            {
82                screen = ++screen % SCREENS_MAX;
83            }
84 
85            this->rotate(screen, direction);
86 
87            memcpy(&TopFaceletsStarting, &TopFaceletsEndind, sizeof(TopFaceletsStarting));
88 
89            this->previosTwist.screen = screen;
90            this->previosTwist.direction = direction;
91        }
92    };
93 
94    void Scramble::VirtualTwist(uint8_t screen, uint8_t direction)
95    {
96        if (direction != TWIST_LEFT && direction != TWIST_RIGHT)
97            return;
98        if (screen >= SCREENS_MAX)
99            return;
100 
101        this->rememberCurrentTopology();
102 
103        this->rotate(screen, direction);
104    };
105}
106