InfiniTime/src/displayapp/screens/Twos.cpp

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#include "Twos.h"
#include <lvgl/lvgl.h>
#include <string>
#include <charconv>
#include <array>
#include <vector>
#include <utility>
using namespace Pinetime::Applications::Screens;
Twos::Twos(Pinetime::Applications::DisplayApp* app) : Screen(app) {
// create styles to apply to different valued tiles
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lv_style_init(&style_cell1);
lv_style_init(&style_cell2);
lv_style_init(&style_cell3);
lv_style_init(&style_cell4);
lv_style_init(&style_cell5);
lv_style_set_border_color(&style_cell1, LV_STATE_DEFAULT, lv_color_hex(0xbbada0));
lv_style_set_border_width(&style_cell1, LV_STATE_DEFAULT, 3);
lv_style_set_bg_opa(&style_cell1, LV_STATE_DEFAULT, LV_OPA_COVER);
lv_style_set_bg_color(&style_cell1, LV_STATE_DEFAULT, lv_color_hex(0xcdc0b4));
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lv_style_set_pad_top(&style_cell1, LV_STATE_DEFAULT, 25);
lv_style_set_text_color(&style_cell1, LV_STATE_DEFAULT, LV_COLOR_BLACK);
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lv_style_set_border_color(&style_cell2, LV_STATE_DEFAULT, lv_color_hex(0xbbada0));
lv_style_set_border_width(&style_cell2, LV_STATE_DEFAULT, 3);
lv_style_set_bg_opa(&style_cell2, LV_STATE_DEFAULT, LV_OPA_COVER);
lv_style_set_bg_color(&style_cell2, LV_STATE_DEFAULT, lv_color_hex(0xefdfc6));
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lv_style_set_pad_top(&style_cell2, LV_STATE_DEFAULT, 25);
lv_style_set_text_color(&style_cell2, LV_STATE_DEFAULT, LV_COLOR_BLACK);
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lv_style_set_border_color(&style_cell3, LV_STATE_DEFAULT, lv_color_hex(0xbbada0));
lv_style_set_border_width(&style_cell3, LV_STATE_DEFAULT, 3);
lv_style_set_bg_opa(&style_cell3, LV_STATE_DEFAULT, LV_OPA_COVER);
lv_style_set_bg_color(&style_cell3, LV_STATE_DEFAULT, lv_color_hex(0xef9263));
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lv_style_set_pad_top(&style_cell3, LV_STATE_DEFAULT, 25);
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lv_style_set_border_color(&style_cell4, LV_STATE_DEFAULT, lv_color_hex(0xbbada0));
lv_style_set_border_width(&style_cell4, LV_STATE_DEFAULT, 3);
lv_style_set_bg_opa(&style_cell4, LV_STATE_DEFAULT, LV_OPA_COVER);
lv_style_set_bg_color(&style_cell4, LV_STATE_DEFAULT, lv_color_hex(0xf76142));
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lv_style_set_pad_top(&style_cell4, LV_STATE_DEFAULT, 25);
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lv_style_set_border_color(&style_cell5, LV_STATE_DEFAULT, lv_color_hex(0xbbada0));
lv_style_set_border_width(&style_cell5, LV_STATE_DEFAULT, 3);
lv_style_set_bg_opa(&style_cell5, LV_STATE_DEFAULT, LV_OPA_COVER);
lv_style_set_bg_color(&style_cell5, LV_STATE_DEFAULT, lv_color_hex(0x007dc5));
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lv_style_set_pad_top(&style_cell5, LV_STATE_DEFAULT, 25);
// format grid display
gridDisplay = lv_table_create(lv_scr_act(), nullptr);
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lv_obj_add_style(gridDisplay, LV_TABLE_PART_CELL1, &style_cell1);
lv_obj_add_style(gridDisplay, LV_TABLE_PART_CELL2, &style_cell2);
lv_obj_add_style(gridDisplay, LV_TABLE_PART_CELL3, &style_cell3);
lv_obj_add_style(gridDisplay, LV_TABLE_PART_CELL4, &style_cell4);
lv_obj_add_style(gridDisplay, LV_TABLE_PART_CELL4 + 1, &style_cell5);
lv_table_set_col_cnt(gridDisplay, 4);
lv_table_set_row_cnt(gridDisplay, 4);
lv_table_set_col_width(gridDisplay, 0, LV_HOR_RES / 4);
lv_table_set_col_width(gridDisplay, 1, LV_HOR_RES / 4);
lv_table_set_col_width(gridDisplay, 2, LV_HOR_RES / 4);
lv_table_set_col_width(gridDisplay, 3, LV_HOR_RES / 4);
lv_obj_align(gridDisplay, NULL, LV_ALIGN_IN_BOTTOM_MID, 0, 0);
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lv_obj_clean_style_list(gridDisplay, LV_TABLE_PART_BG);
// initialize grid
for (int row = 0; row < 4; row++) {
for (int col = 0; col < 4; col++) {
grid[row][col].value = 0;
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lv_table_set_cell_type(gridDisplay, row, col, 1);
lv_table_set_cell_align(gridDisplay, row, col, LV_LABEL_ALIGN_CENTER);
}
}
placeNewTile();
placeNewTile();
// format score text
scoreText = lv_label_create(lv_scr_act(), nullptr);
lv_obj_set_width(scoreText, LV_HOR_RES);
lv_label_set_align(scoreText, LV_ALIGN_IN_LEFT_MID);
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lv_obj_align(scoreText, nullptr, LV_ALIGN_IN_TOP_LEFT, 0, 10);
lv_label_set_recolor(scoreText, true);
lv_label_set_text_fmt(scoreText, "Score #FFFF00 %i#", score);
lv_obj_t* backgroundLabel = lv_label_create(lv_scr_act(), nullptr);
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lv_label_set_long_mode(backgroundLabel, LV_LABEL_LONG_CROP);
lv_obj_set_size(backgroundLabel, 240, 240);
lv_obj_set_pos(backgroundLabel, 0, 0);
lv_label_set_text(backgroundLabel, "");
}
Twos::~Twos() {
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lv_style_reset(&style_cell1);
lv_style_reset(&style_cell2);
lv_style_reset(&style_cell3);
lv_style_reset(&style_cell4);
lv_style_reset(&style_cell5);
lv_obj_clean(lv_scr_act());
}
bool Twos::placeNewTile() {
std::vector<std::pair<int, int>> availableCells;
for (int row = 0; row < 4; row++) {
for (int col = 0; col < 4; col++) {
if (!grid[row][col].value) {
availableCells.push_back(std::make_pair(row, col));
}
}
}
if (availableCells.size() == 0) {
return false; // game lost
}
auto it = availableCells.cbegin();
int random = rand() % availableCells.size();
std::advance(it, random);
std::pair<int, int> newCell = *it;
if ((rand() % 100) < 90)
grid[newCell.first][newCell.second].value = 2;
else
grid[newCell.first][newCell.second].value = 4;
updateGridDisplay(grid);
return true;
}
bool Twos::tryMerge(Tile grid[][4], int& newRow, int& newCol, int oldRow, int oldCol) {
if ((grid[newRow][newCol].value == grid[oldRow][oldCol].value)) {
if ((newCol != oldCol) || (newRow != oldRow)) {
if (!grid[newRow][newCol].merged) {
unsigned int newVal = grid[oldRow][oldCol].value *= 2;
grid[newRow][newCol].value = newVal;
score += newVal;
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lv_label_set_text_fmt(scoreText, "Score #FFFF00 %i#", score);
grid[oldRow][oldCol].value = 0;
grid[newRow][newCol].merged = true;
return true;
}
}
}
return false;
}
bool Twos::tryMove(Tile grid[][4], int newRow, int newCol, int oldRow, int oldCol) {
if (((newCol >= 0) && (newCol != oldCol)) || ((newRow >= 0) && (newRow != oldRow))) {
grid[newRow][newCol].value = grid[oldRow][oldCol].value;
grid[oldRow][oldCol].value = 0;
return true;
}
return false;
}
bool Twos::OnTouchEvent(Pinetime::Applications::TouchEvents event) {
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bool validMove = false;
for (int row = 0; row < 4; row++) {
for (int col = 0; col < 4; col++) {
grid[row][col].merged = false; // reinitialize merge state
}
}
switch (event) {
case TouchEvents::SwipeLeft:
for (int col = 1; col < 4; col++) { // ignore tiles already on far left
for (int row = 0; row < 4; row++) {
if (grid[row][col].value) {
int newCol = -1;
for (int potentialNewCol = col - 1; potentialNewCol >= 0; potentialNewCol--) {
if (!grid[row][potentialNewCol].value) {
newCol = potentialNewCol;
} else { // blocked by another tile
if (tryMerge(grid, row, potentialNewCol, row, col))
validMove = true;
break;
}
}
if (tryMove(grid, row, newCol, row, col))
validMove = true;
}
}
}
if (validMove) {
placeNewTile();
}
return true;
case TouchEvents::SwipeRight:
for (int col = 2; col >= 0; col--) { // ignore tiles already on far right
for (int row = 0; row < 4; row++) {
if (grid[row][col].value) {
int newCol = -1;
for (int potentialNewCol = col + 1; potentialNewCol < 4; potentialNewCol++) {
if (!grid[row][potentialNewCol].value) {
newCol = potentialNewCol;
} else { // blocked by another tile
if (tryMerge(grid, row, potentialNewCol, row, col))
validMove = true;
break;
}
}
if (tryMove(grid, row, newCol, row, col))
validMove = true;
}
}
}
if (validMove) {
placeNewTile();
}
return true;
case TouchEvents::SwipeUp:
for (int row = 1; row < 4; row++) { // ignore tiles already on top
for (int col = 0; col < 4; col++) {
if (grid[row][col].value) {
int newRow = -1;
for (int potentialNewRow = row - 1; potentialNewRow >= 0; potentialNewRow--) {
if (!grid[potentialNewRow][col].value) {
newRow = potentialNewRow;
} else { // blocked by another tile
if (tryMerge(grid, potentialNewRow, col, row, col))
validMove = true;
break;
}
}
if (tryMove(grid, newRow, col, row, col))
validMove = true;
}
}
}
if (validMove) {
placeNewTile();
}
return true;
case TouchEvents::SwipeDown:
for (int row = 2; row >= 0; row--) { // ignore tiles already on bottom
for (int col = 0; col < 4; col++) {
if (grid[row][col].value) {
int newRow = -1;
for (int potentialNewRow = row + 1; potentialNewRow < 4; potentialNewRow++) {
if (!grid[potentialNewRow][col].value) {
newRow = potentialNewRow;
} else { // blocked by another tile
if (tryMerge(grid, potentialNewRow, col, row, col))
validMove = true;
break;
}
}
if (tryMove(grid, newRow, col, row, col))
validMove = true;
}
}
}
if (validMove) {
placeNewTile();
}
return true;
default:
return false;
}
return false;
}
void Twos::updateGridDisplay(Tile grid[][4]) {
for (int row = 0; row < 4; row++) {
for (int col = 0; col < 4; col++) {
if (grid[row][col].value) {
lv_table_set_cell_value(gridDisplay, row, col, (std::to_string(grid[row][col].value)).c_str());
} else {
lv_table_set_cell_value(gridDisplay, row, col, "");
}
switch (grid[row][col].value) {
case 0:
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lv_table_set_cell_type(gridDisplay, row, col, 1);
break;
case 2:
case 4:
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lv_table_set_cell_type(gridDisplay, row, col, 2);
break;
case 8:
case 16:
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lv_table_set_cell_type(gridDisplay, row, col, 3);
break;
case 32:
case 64:
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lv_table_set_cell_type(gridDisplay, row, col, 4);
break;
default:
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lv_table_set_cell_type(gridDisplay, row, col, 5);
break;
}
}
}
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}