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Flipper/Applications/Official/source-OLDER/xMasterX/montyhall/monteyhall.c

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#include <furi.h>
#include <gui/gui.h>
#include <gui/elements.h>
#include <gui/icon_i.h>
#include <input/input.h>
#include <stdlib.h>
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
//AUTHOR: https://github.com/DevMilanIan
//I_DoorClosed_22x35 sourced from VideoPoker/poker.c -> I_CardBack22x35
//PRs for syntax, formatting, etc can get you listed as a contributor :)
// CONCEPT: one of three doors will have a car while the other two have only a goat
// randomize a winning door each round, let the player choose a first selection
// reveal a goat door and allow the player to keep or switch their selection
// based on the Monty Hall problem from Let's Make a Deal
//void draw_goat(Canvas* canvas, int x, int y) { TODO }
void draw_car(Canvas* canvas, int x, int y) {
// x -> leftmost pixel, y -> topmost pixel
// could be in another file or a pixel array but idk how to so feel free to PR
canvas_draw_dot(canvas, x + 1, y + 4);
canvas_draw_dot(canvas, x + 1, y + 5);
canvas_draw_dot(canvas, x + 2, y + 3);
canvas_draw_dot(canvas, x + 2, y + 6);
canvas_draw_dot(canvas, x + 3, y + 3);
canvas_draw_dot(canvas, x + 3, y + 6);
canvas_draw_dot(canvas, x + 4, y + 2);
canvas_draw_dot(canvas, x + 4, y + 3);
canvas_draw_dot(canvas, x + 4, y + 6);
canvas_draw_dot(canvas, x + 4, y + 7);
canvas_draw_dot(canvas, x + 5, y + 1);
canvas_draw_dot(canvas, x + 5, y + 2);
canvas_draw_dot(canvas, x + 5, y + 3);
canvas_draw_dot(canvas, x + 5, y + 5);
canvas_draw_dot(canvas, x + 5, y + 8);
canvas_draw_dot(canvas, x + 6, y);
canvas_draw_dot(canvas, x + 6, y + 1);
canvas_draw_dot(canvas, x + 6, y + 3);
canvas_draw_dot(canvas, x + 6, y + 5);
canvas_draw_dot(canvas, x + 6, y + 8);
canvas_draw_dot(canvas, x + 7, y);
canvas_draw_dot(canvas, x + 7, y + 3);
canvas_draw_dot(canvas, x + 7, y + 6);
canvas_draw_dot(canvas, x + 7, y + 7);
canvas_draw_dot(canvas, x + 8, y);
canvas_draw_dot(canvas, x + 8, y + 3);
canvas_draw_dot(canvas, x + 8, y + 6);
canvas_draw_dot(canvas, x + 9, y);
canvas_draw_dot(canvas, x + 9, y + 3);
canvas_draw_dot(canvas, x + 9, y + 6);
canvas_draw_dot(canvas, x + 10, y);
canvas_draw_dot(canvas, x + 10, y + 3);
canvas_draw_dot(canvas, x + 10, y + 6);
canvas_draw_dot(canvas, x + 11, y);
canvas_draw_dot(canvas, x + 11, y + 1);
canvas_draw_dot(canvas, x + 11, y + 3);
canvas_draw_dot(canvas, x + 11, y + 6);
canvas_draw_dot(canvas, x + 12, y + 1);
canvas_draw_dot(canvas, x + 12, y + 2);
canvas_draw_dot(canvas, x + 12, y + 3);
canvas_draw_dot(canvas, x + 12, y + 6);
canvas_draw_dot(canvas, x + 12, y + 7);
canvas_draw_dot(canvas, x + 13, y + 2);
canvas_draw_dot(canvas, x + 13, y + 3);
canvas_draw_dot(canvas, x + 13, y + 5);
canvas_draw_dot(canvas, x + 13, y + 8);
canvas_draw_dot(canvas, x + 14, y + 1);
canvas_draw_dot(canvas, x + 14, y + 2);
canvas_draw_dot(canvas, x + 14, y + 5);
canvas_draw_dot(canvas, x + 14, y + 8);
canvas_draw_dot(canvas, x + 15, y);
canvas_draw_dot(canvas, x + 15, y + 1);
canvas_draw_dot(canvas, x + 15, y + 6);
canvas_draw_dot(canvas, x + 15, y + 7);
canvas_draw_dot(canvas, x + 16, y);
canvas_draw_dot(canvas, x + 16, y + 1);
canvas_draw_dot(canvas, x + 16, y + 2);
canvas_draw_dot(canvas, x + 16, y + 3);
canvas_draw_dot(canvas, x + 16, y + 4);
canvas_draw_dot(canvas, x + 16, y + 5);
}
const uint8_t _I_DoorClosed_22x35_0[] = {
0x01, 0x00, 0x23, 0x00, 0xfe, 0x7f, 0xe1, 0xf0, 0x28, 0x04, 0x43, 0xe3, 0xff,
0x91, 0xea, 0x75, 0x52, 0x6a, 0xad, 0x56, 0x5b, 0xad, 0xd5, 0x4a, 0x80, 0xbe,
0x05, 0xf0, 0x2f, 0x81, 0x7c, 0x0b, 0x45, 0x32, 0x2c, 0x91, 0x7c, 0x8c, 0xa4,
};
const uint8_t* _I_DoorClosed_22x35[] = {_I_DoorClosed_22x35_0};
const Icon I_DoorClosed_22x35 =
{.width = 22, .height = 35, .frame_count = 1, .frame_rate = 0, .frames = _I_DoorClosed_22x35};
typedef struct {
bool isOpen;
bool isSelected; // picked in RoundOne, RoundThree
bool isWinningDoor; // randomized in RoundOne
} Door;
typedef struct {
Door doors[3];
bool didSelect; // false in RoundOne -> RoundTwo when true
bool didSwitch; // determined in RoundFour
} DoorState;
typedef enum {
RoundOne, // all doors closed, player selects a door when ready
RoundTwo, // door selected, reveal one of the remaining two (can go straight to GameOver)
RoundThree, // player can keep or switch their selection
RoundFour, // reveal all doors
GameOver // score has been updated, allow restart
} GameState;
typedef struct {
GameState game_state;
DoorState door_state;
uint16_t score;
} MontyState;
static void montyhall_game_init_state(MontyState* monty_state) {
if(!monty_state->score) {
monty_state->score = 0;
}
monty_state->door_state.didSelect = false;
for(int i = 0; i < 3; i++) {
monty_state->door_state.doors[i].isOpen = false;
monty_state->door_state.doors[i].isSelected = false;
monty_state->door_state.doors[i].isWinningDoor = false;
}
monty_state->game_state = RoundOne;
int doorIndex = random() % 3;
monty_state->door_state.doors[doorIndex].isWinningDoor = true;
}
void selectDoor(MontyState* monty_state, int doorIndex) {
if(monty_state->game_state == RoundOne) {
monty_state->door_state.doors[doorIndex].isSelected = true;
if(monty_state->door_state.doors[doorIndex].isSelected) {
monty_state->door_state.didSelect = true;
monty_state->game_state = RoundTwo;
}
} else if(monty_state->game_state == RoundThree) {
for(int i = 0; i < 3; i++) {
monty_state->door_state.doors[i].isSelected = false;
}
monty_state->door_state.doors[doorIndex].isSelected = true;
}
}
int getRandomDoorIndex() {
int randomDoorIndex = random() % 3;
return randomDoorIndex;
}
void revealBadDoor(MontyState* monty_state) {
int doorToReveal = getRandomDoorIndex();
while(!monty_state->door_state.doors[doorToReveal].isOpen) {
if(!(monty_state->door_state.doors[doorToReveal].isSelected ||
monty_state->door_state.doors[doorToReveal].isWinningDoor)) {
monty_state->door_state.doors[doorToReveal].isOpen = true;
} else {
doorToReveal = getRandomDoorIndex();
}
}
}
void revealDoors_updateScore(MontyState* monty_state) {
for(int i = 0; i < 3; i++) {
monty_state->door_state.doors[i].isOpen = true;
if(monty_state->door_state.doors[i].isWinningDoor &&
monty_state->door_state.doors[i].isSelected) {
monty_state->score++;
}
}
}
static void draw_top(Canvas* canvas, const MontyState* monty_state) {
char buffer[16];
snprintf(buffer, sizeof(buffer), "Cars: %u", monty_state->score);
canvas_draw_str_aligned(canvas, 2, 8, AlignLeft, AlignBottom, buffer);
if(monty_state->game_state == RoundThree) {
canvas_draw_str_aligned(
canvas, SCREEN_WIDTH - 5, 8, AlignRight, AlignBottom, "Opened a decoy door");
}
}
static void draw_doors(Canvas* canvas, const MontyState* monty_state) {
// {| 16 | <22> | 15 | <22> | 15 | <22> | 16 |} = SCREEN_WIDTH
if(monty_state->door_state.doors[0].isOpen) {
if(monty_state->door_state.doors[0].isWinningDoor) {
canvas_draw_frame(canvas, 16, 12, 22, 35);
draw_car(canvas, 18, 26);
} else {
canvas_draw_frame(canvas, 16, 12, 22, 35);
canvas_draw_str(canvas, 18, 34, "Goat");
}
} else {
canvas_draw_icon(canvas, 16, 12, &I_DoorClosed_22x35);
}
if(monty_state->door_state.doors[1].isOpen) {
if(monty_state->door_state.doors[1].isWinningDoor) {
canvas_draw_frame(canvas, 53, 12, 22, 35);
draw_car(canvas, 55, 26);
} else {
canvas_draw_frame(canvas, 53, 12, 22, 35);
canvas_draw_str(canvas, 55, 34, "Goat");
}
} else {
canvas_draw_icon(canvas, 53, 12, &I_DoorClosed_22x35);
}
if(monty_state->door_state.doors[2].isOpen) {
if(monty_state->door_state.doors[2].isWinningDoor) {
canvas_draw_frame(canvas, 90, 12, 22, 35);
draw_car(canvas, 92, 26);
} else {
canvas_draw_frame(canvas, 90, 12, 22, 35);
canvas_draw_str(canvas, 92, 34, "Goat");
}
} else {
canvas_draw_icon(canvas, 90, 12, &I_DoorClosed_22x35);
}
}
static void draw_bottom(Canvas* canvas, const MontyState* monty_state) {
if(monty_state->game_state == RoundOne) {
elements_button_left(canvas, "Left");
elements_button_center(canvas, "Center");
elements_button_right(canvas, "Right");
}
if(monty_state->game_state == RoundThree) {
if(monty_state->door_state.doors[0].isSelected) {
elements_button_left(canvas, "Keep");
if(!monty_state->door_state.doors[1].isOpen) {
elements_button_center(canvas, "Switch");
} else {
elements_button_right(canvas, "Switch");
}
} else if(monty_state->door_state.doors[1].isSelected) {
elements_button_center(canvas, "Keep");
if(!monty_state->door_state.doors[0].isOpen) {
elements_button_left(canvas, "Switch");
} else {
elements_button_right(canvas, "Switch");
}
} else if(monty_state->door_state.doors[2].isSelected) {
elements_button_right(canvas, "Keep");
if(!monty_state->door_state.doors[0].isOpen) {
elements_button_left(canvas, "Switch");
} else {
elements_button_center(canvas, "Switch");
}
}
}
if(monty_state->game_state == RoundFour) {
elements_button_center(canvas, "Reveal");
}
if(monty_state->game_state == GameOver) {
canvas_draw_str(canvas, 16, SCREEN_HEIGHT - 5, "Hold center to restart");
}
}
static void montyhall_render_callback(Canvas* const canvas, void* ctx) {
const MontyState* monty_state = acquire_mutex((ValueMutex*)ctx, 25);
if(monty_state == NULL) {
return;
}
canvas_clear(canvas);
canvas_set_color(canvas, ColorBlack);
draw_top(canvas, monty_state);
draw_doors(canvas, monty_state);
draw_bottom(canvas, monty_state);
release_mutex((ValueMutex*)ctx, monty_state);
}
static void montyhall_input_callback(InputEvent* input_event, FuriMessageQueue* event_queue) {
furi_assert(event_queue);
furi_message_queue_put(event_queue, input_event, FuriWaitForever);
}
int32_t montyhall_game_app(void* p) {
UNUSED(p);
int32_t return_code = 0;
FuriMessageQueue* event_queue = furi_message_queue_alloc(8, sizeof(InputEvent));
MontyState* monty_state = malloc(sizeof(MontyState));
ValueMutex state_mutex;
if(!init_mutex(&state_mutex, monty_state, sizeof(MontyState))) {
return_code = 255;
goto free_and_exit;
}
ViewPort* view_port = view_port_alloc();
view_port_draw_callback_set(view_port, montyhall_render_callback, &state_mutex);
view_port_input_callback_set(view_port, montyhall_input_callback, event_queue);
Gui* gui = furi_record_open(RECORD_GUI);
gui_add_view_port(gui, view_port, GuiLayerFullscreen);
// Start the game
montyhall_game_init_state(monty_state);
InputEvent event;
for(bool loop = true; loop;) {
FuriStatus event_status = furi_message_queue_get(event_queue, &event, 100);
MontyState* monty_state = (MontyState*)acquire_mutex_block(&state_mutex);
if(event_status == FuriStatusOk) {
if(event.type == InputTypeShort) {
switch(event.key) {
case InputKeyUp: /* <debug>
if(monty_state->game_state == RoundOne) {
monty_state->score++;
} else if(monty_state->game_state == RoundTwo) {
monty_state->score += 2;
} else if(monty_state->game_state == RoundThree) {
monty_state->score += 3;
} else if(monty_state->game_state == RoundFour) {
monty_state->score += 4;
} else if(monty_state->game_state == GameOver) {
monty_state->score += 5;
} </debug> */
break;
case InputKeyDown: /* <debug>
if(monty_state->game_state == RoundOne) {
monty_state->score--;
} else if(monty_state->game_state == RoundTwo) {
monty_state->score -= 2;
} else if(monty_state->game_state == RoundThree) {
monty_state->score -= 3;
} else if(monty_state->game_state == RoundFour) {
monty_state->score -= 4;
} else if(monty_state->game_state == GameOver) {
monty_state->score -= 5;
} </dubug> */
break;
case InputKeyLeft:
if(monty_state->game_state == RoundOne) {
selectDoor(monty_state, 0);
if(monty_state->game_state == RoundTwo) {
revealBadDoor(monty_state);
monty_state->game_state = RoundThree;
}
} else if(monty_state->game_state == RoundThree) {
if(monty_state->door_state.doors[0].isSelected) {
monty_state->door_state.didSwitch = false;
} else if(!monty_state->door_state.doors[0].isOpen) {
monty_state->door_state.didSwitch = true;
selectDoor(monty_state, 0);
}
monty_state->game_state = RoundFour;
}
break;
case InputKeyOk:
if(monty_state->game_state == RoundOne) {
selectDoor(monty_state, 1);
if(monty_state->game_state == RoundTwo) {
revealBadDoor(monty_state);
monty_state->game_state = RoundThree;
}
} else if(monty_state->game_state == RoundThree) {
if(monty_state->door_state.doors[1].isSelected) {
monty_state->door_state.didSwitch = false;
} else if(!monty_state->door_state.doors[1].isOpen) {
monty_state->door_state.didSwitch = true;
selectDoor(monty_state, 1);
}
monty_state->game_state = RoundFour;
} else if(monty_state->game_state == RoundFour) {
revealDoors_updateScore(monty_state);
monty_state->game_state = GameOver;
}
break;
case InputKeyRight:
if(monty_state->game_state == RoundOne) {
selectDoor(monty_state, 2);
if(monty_state->game_state == RoundTwo) {
revealBadDoor(monty_state);
monty_state->game_state = RoundThree;
}
} else if(monty_state->game_state == RoundThree) {
if(monty_state->door_state.doors[2].isSelected) {
monty_state->door_state.didSwitch = false;
} else if(!monty_state->door_state.doors[2].isOpen) {
monty_state->door_state.didSwitch = true;
selectDoor(monty_state, 2);
}
monty_state->game_state = RoundFour;
}
break;
case InputKeyBack:
loop = false;
break;
default:
break;
}
}
} else if(event.type == InputTypeLong) {
if(event.key == InputKeyOk && monty_state->game_state == GameOver) {
montyhall_game_init_state(monty_state);
}
}
view_port_update(view_port);
release_mutex(&state_mutex, monty_state);
}
view_port_enabled_set(view_port, false);
gui_remove_view_port(gui, view_port);
furi_record_close(RECORD_GUI);
view_port_free(view_port);
delete_mutex(&state_mutex);
free_and_exit:
free(monty_state);
furi_message_queue_free(event_queue);
return return_code;
}
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