ref: 0.12.0
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; extern lv_font_t jetbrains_mono_bold_20; Twos::Twos(Pinetime::Applications::DisplayApp *app) : Screen(app) { // create styles to apply to different valued tiles static lv_style_t style_cell1; lv_style_copy(&style_cell1, &lv_style_plain); style_cell1.body.border.width = 1; style_cell1.text.font = &jetbrains_mono_bold_20; style_cell1.body.padding.top = 16; style_cell1.body.padding.bottom = 16; style_cell1.body.main_color = LV_COLOR_MAKE(214, 197, 165); style_cell1.body.grad_color = LV_COLOR_MAKE(214, 197, 165); style_cell1.text.color = LV_COLOR_BLACK; static lv_style_t style_cell2; lv_style_copy(&style_cell2, &style_cell1); style_cell2.body.main_color = LV_COLOR_MAKE(209, 146, 92); style_cell2.body.grad_color = LV_COLOR_MAKE(209, 146, 92); style_cell2.text.color = LV_COLOR_WHITE; static lv_style_t style_cell3; lv_style_copy(&style_cell3, &style_cell2); style_cell3.body.main_color = LV_COLOR_MAKE(246, 94, 59); style_cell3.body.grad_color = LV_COLOR_MAKE(246, 94, 59); static lv_style_t style_cell4; lv_style_copy(&style_cell4, &style_cell3); style_cell4.body.main_color = LV_COLOR_MAKE(212, 170, 28); style_cell4.body.grad_color = LV_COLOR_MAKE(212, 170, 28); // format grid display gridDisplay = lv_table_create(lv_scr_act(), nullptr); lv_table_set_style(gridDisplay, LV_TABLE_STYLE_CELL1, &style_cell1); lv_table_set_style(gridDisplay, LV_TABLE_STYLE_CELL2, &style_cell2); lv_table_set_style(gridDisplay, LV_TABLE_STYLE_CELL3, &style_cell3); lv_table_set_style(gridDisplay, LV_TABLE_STYLE_CELL4, &style_cell4); 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); // initialize grid for(int row = 0; row < 4; row++) { for(int col = 0; col < 4; col++) { grid[row][col].value = 0; lv_table_set_cell_type(gridDisplay, row, col, 2); 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); lv_obj_align(scoreText, nullptr, LV_ALIGN_IN_TOP_LEFT, 0, 0); lv_label_set_text(scoreText, ("Score: " + std::to_string(score)).c_str()); } Twos::~Twos() { lv_obj_clean(lv_scr_act()); } bool Twos::Refresh() { return running; } bool Twos::OnButtonPushed() { running = false; return true; } 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; lv_label_set_text(scoreText, ("Score: " + std::to_string(score)).c_str()); 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) { bool validMove; 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: case 2: case 4: lv_table_set_cell_type(gridDisplay, row, col, 1); break; case 8: case 16: lv_table_set_cell_type(gridDisplay, row, col, 2); break; case 32: case 64: lv_table_set_cell_type(gridDisplay, row, col, 3); break; default: lv_table_set_cell_type(gridDisplay, row, col, 4); break; } } } } |