Add a pause menu

lib/arduino-nofrendo/src/nes/nes.c

@@ -580,6 +580,10 @@ nes_t *nes_create(void)
    return NULL;
 }
 
+bool nes_pausestate(void) {
+   return nes.pause;
+}
+
 /*
 ** $Log: nes.c,v $
 ** Revision 1.2  2001/04/27 14:37:11  neil

lib/arduino-nofrendo/src/nes/nes.h

@@ -107,6 +107,7 @@ extern void nes_reset(int reset_type);
 
 extern void nes_poweroff(void);
 extern void nes_togglepause(void);
+extern bool nes_pausestate(void);
 
 #endif /* _NES_H_ */
 

src/cardputer/CardputerInput.cpp

@@ -84,4 +84,4 @@ char CardputerInput::readChar() {
     if (status.del) return KEY_DEL;
 
     return KEY_NONE;
-}
+}

src/cardputer/CardputerView.cpp

@@ -132,6 +132,30 @@ void CardputerView::welcome() {
     Display->printf("%s", press.c_str());
 }
 
+void CardputerView::pauseScreen() {
+    // some constants
+    const int boxW = 100;
+    const int boxH = 50;
+    const int boxX = (Display->width() - boxW) / 2;
+    const int boxY = (Display->height() - boxH) / 2;
+    const int textOffset = 25;
+
+    // do a background and a box
+    Display->fillScreen(BACKGROUND_COLOR);
+
+    Display->fillRoundRect(boxX, boxY, boxW, boxH, DEFAULT_ROUND_RECT, RECT_COLOR_DARK);
+    Display->drawRoundRect(boxX, boxY, boxW, boxH, DEFAULT_ROUND_RECT, PRIMARY_COLOR);
+
+    // kay now for sum text
+    std::string paused = "Paused";
+
+    Display->setTextColor(TEXT_COLOR);
+    Display->setTextSize(TEXT_BIG);
+
+    Display->setCursor(getCenterOffset(paused) + 1, boxY + textOffset);
+    Display->printf("%s", paused.c_str()); 
+}
+
 void CardputerView::topBar(const std::string& title, bool submenu, bool searchBar) {
     uint8_t marginX = 4;
     uint8_t marginY = 14;

src/cardputer/CardputerView.h

@@ -38,6 +38,7 @@ class CardputerView {
     uint8_t getBrightness();
     void welcome();
     void showKeymapping();
+    void pauseScreen();
     void topBar(const std::string& title, bool submenu, bool searchBar);
     void horizontalSelection(const std::vector<std::string>& options, uint16_t selectedIndex, const std::string& description1="", const std::string& description2="", const std::vector<std::string>& icons={});
     void verticalSelection(

src/nes/nes_controller.cpp

@@ -1,3 +1,7 @@
+extern "C" {
+#include <nes/nes.h>
+}
+
 #include <M5Cardputer.h>
 
 extern bool fullscreenMode;
@@ -12,6 +16,8 @@ void controller_init() {
 uint32_t controller_read_input() {
     uint32_t value = 0xFFFFFFFF;
 
+    if (nes_pausestate()) return value; // block input while paused
+
     M5Cardputer.update();
     Keyboard_Class::KeysState status = M5Cardputer.Keyboard.keysState();
 
@@ -100,9 +106,14 @@ uint32_t controller_read_input() {
     if (M5Cardputer.Keyboard.isKeyPressed('l') || M5Cardputer.Keyboard.isKeyPressed('j')) {
         value ^= (1 << 6); // A
     }
+
     if (M5Cardputer.Keyboard.isKeyPressed('k')) {
         value ^= (1 << 7); // B
     }
+
+    if (M5Cardputer.Keyboard.isKeyPressed(' ')) {
+        value ^= (1 << 10); // pause
+    }
 
     return value;
 }

src/nes/nes_display.cpp

@@ -3,6 +3,9 @@ extern "C" {
 }
 
 #include <M5Unified.h>
+#include "display/CardputerView.h"
+#include "input/CardputerInput.h"
+
 
 int16_t frame_scaling;
 static uint16_t* s_nesLineBuf = nullptr;
@@ -129,6 +132,19 @@ void display_write_frame_zoom(const uint8_t *data[]) {
 }
 
 void display_write_frame(const uint8_t *data[]) {
+    // this might not be the best spot for this
+    if (nes_pausestate()) {
+        CardputerInput input;
+        CardputerView display;
+
+        display.initialize();
+        display.pauseScreen();
+
+        input.waitPress();
+        delay(100); // this is so it can't do a pause-unpause stutter
+        nes_togglepause();
+    }
+
     if (!fullscreenMode) {
         display_write_frame_square(data);
         return;
@@ -164,4 +180,4 @@ void display_clear() {
 }
 
 
-}
+}

src/nes/nes_osd.c

@@ -167,7 +167,7 @@ void osd_getinput(void)
     const int ev[32] = {
         event_joypad1_up,    event_joypad1_down,  event_joypad1_left,  event_joypad1_right,
         event_joypad1_select,event_joypad1_start, event_joypad1_a,     event_joypad1_b,
-        event_state_save,    event_state_load,    0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0
+        event_state_save,    event_state_load,    event_togglepause, 0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0
     };
     static int oldb = 0xffff;
     uint32_t b   = controller_read_input();
@@ -287,4 +287,4 @@ void __wrap_bmp_destroy(bitmap_t **bmp)
 //     }
 //     g_rom_ptr = NULL;
 //     g_rom_size = 0;
-// }
+// }