12617ed1bf
styles table reads touch events allows moving tiles allows merging tiles improves tile movement allows merging tiles adds score display implements color edit comments adjust game logic disallows double merges
271 lines
No EOL
8.6 KiB
C++
271 lines
No EOL
8.6 KiB
C++
#include "Twos.h"
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#include <lvgl/lvgl.h>
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#include <string>
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#include <charconv>
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#include <array>
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#include <vector>
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#include <utility>
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using namespace Pinetime::Applications::Screens;
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extern lv_font_t jetbrains_mono_bold_20;
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Twos::Twos(Pinetime::Applications::DisplayApp *app) : Screen(app) {
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// create styles to apply to different valued tiles
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static lv_style_t style_cell1;
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lv_style_copy(&style_cell1, &lv_style_plain);
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style_cell1.body.border.width = 1;
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style_cell1.text.font = &jetbrains_mono_bold_20;
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style_cell1.body.padding.top = 16;
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style_cell1.body.padding.bottom = 16;
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style_cell1.body.main_color = LV_COLOR_MAKE(214, 197, 165);
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style_cell1.body.grad_color = LV_COLOR_MAKE(214, 197, 165);
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style_cell1.text.color = LV_COLOR_BLACK;
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static lv_style_t style_cell2;
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lv_style_copy(&style_cell2, &style_cell1);
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style_cell2.body.main_color = LV_COLOR_MAKE(209, 146, 92);
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style_cell2.body.grad_color = LV_COLOR_MAKE(209, 146, 92);
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style_cell2.text.color = LV_COLOR_WHITE;
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static lv_style_t style_cell3;
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lv_style_copy(&style_cell3, &style_cell2);
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style_cell3.body.main_color = LV_COLOR_MAKE(246, 94, 59);
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style_cell3.body.grad_color = LV_COLOR_MAKE(246, 94, 59);
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static lv_style_t style_cell4;
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lv_style_copy(&style_cell4, &style_cell3);
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style_cell4.body.main_color = LV_COLOR_MAKE(212, 170, 28);
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style_cell4.body.grad_color = LV_COLOR_MAKE(212, 170, 28);
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// format grid display
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gridDisplay = lv_table_create(lv_scr_act(), nullptr);
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lv_table_set_style(gridDisplay, LV_TABLE_STYLE_CELL1, &style_cell1);
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lv_table_set_style(gridDisplay, LV_TABLE_STYLE_CELL2, &style_cell2);
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lv_table_set_style(gridDisplay, LV_TABLE_STYLE_CELL3, &style_cell3);
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lv_table_set_style(gridDisplay, LV_TABLE_STYLE_CELL4, &style_cell4);
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lv_table_set_col_cnt(gridDisplay, 4);
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lv_table_set_row_cnt(gridDisplay, 4);
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lv_table_set_col_width(gridDisplay, 0, LV_HOR_RES/4);
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lv_table_set_col_width(gridDisplay, 1, LV_HOR_RES/4);
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lv_table_set_col_width(gridDisplay, 2, LV_HOR_RES/4);
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lv_table_set_col_width(gridDisplay, 3, LV_HOR_RES/4);
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lv_obj_align(gridDisplay, NULL, LV_ALIGN_IN_BOTTOM_MID, 0, 0);
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// initialize grid
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for(int row = 0; row < 4; row++) {
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for(int col = 0; col < 4; col++) {
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grid[row][col].value = 0;
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lv_table_set_cell_type(gridDisplay, row, col, 2);
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lv_table_set_cell_align(gridDisplay, row, col, LV_LABEL_ALIGN_CENTER);
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}
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}
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placeNewTile();
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placeNewTile();
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// format score text
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scoreText = lv_label_create(lv_scr_act(), nullptr);
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lv_obj_set_width(scoreText, LV_HOR_RES);
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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, 0);
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lv_label_set_text(scoreText, ("Score: " + std::to_string(score)).c_str());
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}
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Twos::~Twos() {
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lv_obj_clean(lv_scr_act());
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}
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bool Twos::Refresh() {
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return running;
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}
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bool Twos::OnButtonPushed() {
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running = false;
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return true;
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}
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bool Twos::placeNewTile() {
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std::vector< std::pair <int,int> > availableCells;
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for(int row = 0; row < 4; row++) {
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for(int col = 0; col < 4; col++) {
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if(!grid[row][col].value) {
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availableCells.push_back(std::make_pair(row, col));
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}
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}
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}
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if (availableCells.size() == 0) {
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return false; // game lost
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}
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auto it = availableCells.cbegin();
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int random = rand() % availableCells.size();
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std::advance(it, random);
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std::pair <int,int> newCell = *it;
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if ((rand() % 100) < 90) grid[newCell.first][newCell.second].value = 2;
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else grid[newCell.first][newCell.second].value = 4;
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updateGridDisplay(grid);
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return true;
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}
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bool Twos::tryMerge(Tile grid[][4], int &newRow, int &newCol, int oldRow, int oldCol) {
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if((grid[newRow][newCol].value == grid[oldRow][oldCol].value)) {
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if((newCol != oldCol) || (newRow != oldRow)) {
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if(!grid[newRow][newCol].merged) {
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unsigned int newVal = grid[oldRow][oldCol].value *= 2;
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grid[newRow][newCol].value = newVal;
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score += newVal;
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lv_label_set_text(scoreText, ("Score: " + std::to_string(score)).c_str());
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grid[oldRow][oldCol].value = 0;
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grid[newRow][newCol].merged = true;
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return true;
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}
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}
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}
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return false;
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}
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bool Twos::tryMove(Tile grid[][4], int newRow, int newCol, int oldRow, int oldCol) {
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if(((newCol >= 0) && (newCol != oldCol)) || ((newRow >= 0) && (newRow != oldRow))) {
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grid[newRow][newCol].value = grid[oldRow][oldCol].value;
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grid[oldRow][oldCol].value = 0;
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return true;
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}
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return false;
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}
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bool Twos::OnTouchEvent(Pinetime::Applications::TouchEvents event) {
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bool validMove;
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validMove = false;
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for(int row = 0; row < 4; row++) {
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for(int col = 0; col < 4; col++) {
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grid[row][col].merged = false; // reinitialize merge state
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}
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}
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switch(event) {
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case TouchEvents::SwipeLeft:
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for(int col = 1; col < 4; col++) { // ignore tiles already on far left
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for(int row = 0; row < 4; row++) {
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if(grid[row][col].value) {
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int newCol = -1;
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for(int potentialNewCol = col - 1; potentialNewCol >= 0; potentialNewCol--) {
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if(!grid[row][potentialNewCol].value) {
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newCol = potentialNewCol;
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}
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else { // blocked by another tile
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if(tryMerge(grid, row, potentialNewCol, row, col)) validMove = true;
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break;
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}
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}
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if(tryMove(grid, row, newCol, row, col)) validMove = true;
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}
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}
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}
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if (validMove) {
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placeNewTile();
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}
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return true;
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case TouchEvents::SwipeRight:
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for(int col = 2; col >= 0; col--) { // ignore tiles already on far right
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for(int row = 0; row < 4; row++) {
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if(grid[row][col].value) {
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int newCol = -1;
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for(int potentialNewCol = col + 1; potentialNewCol < 4; potentialNewCol++) {
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if(!grid[row][potentialNewCol].value) {
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newCol = potentialNewCol;
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}
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else { // blocked by another tile
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if(tryMerge(grid, row, potentialNewCol, row, col)) validMove = true;
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break;
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}
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}
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if(tryMove(grid, row, newCol, row, col)) validMove = true;
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}
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}
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}
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if (validMove) {
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placeNewTile();
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}
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return true;
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case TouchEvents::SwipeUp:
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for(int row = 1; row < 4; row++) { // ignore tiles already on top
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for(int col = 0; col < 4; col++) {
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if(grid[row][col].value) {
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int newRow = -1;
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for(int potentialNewRow = row - 1; potentialNewRow >= 0; potentialNewRow--) {
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if(!grid[potentialNewRow][col].value) {
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newRow = potentialNewRow;
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}
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else { // blocked by another tile
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if(tryMerge(grid, potentialNewRow, col, row, col)) validMove = true;
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break;
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}
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}
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if(tryMove(grid, newRow, col, row, col)) validMove = true;
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}
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}
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}
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if (validMove) {
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placeNewTile();
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}
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return true;
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case TouchEvents::SwipeDown:
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for(int row = 2; row >=0; row--) { // ignore tiles already on bottom
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for(int col = 0; col < 4; col++) {
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if(grid[row][col].value) {
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int newRow = -1;
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for(int potentialNewRow = row + 1; potentialNewRow < 4; potentialNewRow++) {
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if(!grid[potentialNewRow][col].value) {
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newRow = potentialNewRow;
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}
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else { // blocked by another tile
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if(tryMerge(grid, potentialNewRow, col, row, col)) validMove = true;
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break;
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}
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}
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if(tryMove(grid, newRow, col, row, col)) validMove = true;
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}
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}
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}
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if (validMove) {
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placeNewTile();
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}
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return true;
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default:
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return false;
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}
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return false;
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}
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void Twos::updateGridDisplay(Tile grid[][4]) {
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for(int row = 0; row < 4; row++) {
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for(int col = 0; col < 4; col++) {
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if (grid[row][col].value) {
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lv_table_set_cell_value(gridDisplay, row, col, (std::to_string(grid[row][col].value)).c_str());
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}
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else {
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lv_table_set_cell_value(gridDisplay, row, col, "");
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}
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switch (grid[row][col].value) {
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case 0:
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case 2:
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case 4:
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lv_table_set_cell_type(gridDisplay, row, col, 1);
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break;
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case 8:
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case 16:
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lv_table_set_cell_type(gridDisplay, row, col, 2);
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break;
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case 32:
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case 64:
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lv_table_set_cell_type(gridDisplay, row, col, 3);
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break;
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default:
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lv_table_set_cell_type(gridDisplay, row, col, 4);
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break;
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}
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}
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}
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} |