restructuring

2026-02-28 11:54:30 +03:00 · 2022-03-10 11:04:14 +03:00
parent 29560b7c0c
commit 733dbd75d2
1758 changed files with 14 additions and 26855 deletions
--- a/F1:F103/Tetris/menu.c
+++ b/F1:F103/Tetris/menu.c
@@ -0,0 +1,101 @@
+/*
+ * This file is part of the TETRIS project.
+ * Copyright 2021 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "buttons.h"
+#include "fonts.h"
+#include "menu.h"
+#include "screen.h"
+
+#include "usb.h"
+#include "proto.h"
+
+// colors
+#define MENUBGCOLOR     (0)
+#define MENUFGCOLOR     (0b1100)
+// menu item @ screen center
+#define midNo  ((MENU_ITEMS - 1) / 2)
+// Y coordinate of screen center
+#define midY (SCREEN_HH - 1)
+
+static const char* items[] = {
+    [MENU_SLEEP]    = " SLEEP ",
+    [MENU_BALLS]    = " BALLS ",
+    [MENU_SNAKE]    = " SNAKE ",
+    [MENU_TETRIS]   = " TETRIS ",
+    [MENU_ARKANOID] = " ARKANOID ",
+};
+
+static menuitem curitem = MENU_SLEEP;
+
+// show menu
+static void _menu(){
+    choose_font(FONTN8);
+    setBGcolor(COLOR_BLACK);
+    ClearScreen();
+    int charH = curfont->height, charB = curfont->baseline;
+    int curI = midNo;
+    if(MENU_ITEMS*charH > SCREEN_HEIGHT){
+        curI = curitem; charB -= charH/2;
+    }
+    for(int i = 0; i < MENU_ITEMS; ++i){
+        if(i == curitem){
+            setBGcolor(MENUFGCOLOR);
+            setFGcolor(MENUBGCOLOR);
+        }else{
+            setBGcolor(MENUBGCOLOR);
+            setFGcolor(MENUFGCOLOR);
+        }
+        CenterStringAt(midY + (i-curI)*charH - charB, items[i]);
+    }
+}
+
+// initial menu
+void show_menu(){
+    curitem = MENU_SLEEP;
+    ScreenON();
+    _menu();
+}
+
+// process menu items and return its status
+menuitem menu_activated(){
+    keyevent evt;
+    menuitem olditem = curitem;
+    if(keystate(KEY_U, &evt) && evt == EVT_PRESS){ // dont' react @ HOLD events!
+        if(curitem) --curitem;
+    }
+    if(keystate(KEY_D, &evt) && evt == EVT_PRESS){
+        if(curitem < (MENU_ITEMS-1)) ++curitem;
+    }
+    if(curitem != olditem) _menu();
+    if(keystate(KEY_S, &evt) && evt == EVT_HOLD){ // select by hold event
+        return curitem;
+    }
+    clear_events(); // clear all other events
+    return MENU_NONE;
+}
+
+// show "GAME OVER" screen
+void show_gameover(){
+    setBGcolor(COLOR_BLACK);
+    setFGcolor(COLOR_RED);
+    ClearScreen();
+    choose_font(FONTN8);
+    CenterStringAt(SCREEN_HEIGHT/2 - curfont->baseline - 1, "GAME OVER!");
+    setFGcolor(COLOR_LYELLOW);
+    CenterStringAt(SCREEN_HEIGHT - curfont->baseline - 2, u2str(score));
+}