Add ncurses frontend

README.md

@@ -42,6 +42,7 @@ This game got some attention on 4chan: [1](https://archive.li/Yzcwt), [2](https:
   - Ringo/MAKERphone (160 x 128, 160 MHz ARM, 520 KB RAM, 4 MB flash)
   - ESPboy (128 x 128, 160 MHz)
   - Nibble (128 x 128, 160 MHz)
+  - ncurses (not very playable)
   - unofficial [bare metal Raspberry Pi port](https://github.com/msx80/anarch-baremetalpi) by msx80
   - unofficial [DOS port](https://gitlab.com/wuuff/anarch-dos) by Wuuff
   - another unofficial [DOS port](https://codeberg.org/gera/anarch-dos) by gera

main_ncurses.c

@@ -0,0 +1,164 @@
+/**
+  @file main_ncurses.c
+
+  This is ncurses (terminal) implementation of the game front end. This isn't
+  a full fledged version but rather a "show off" of what can be done with the
+  game; especially the limited ability of ncurses to handle input makes this
+  version very hard to play.
+
+  by Miloslav Ciz (drummyfish), 2024
+
+  Released under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/)
+  plus a waiver of all other intellectual property. The goal of this work is to
+  be and remain completely in the public domain forever, available for any use
+  whatsoever.
+*/
+
+#include <ncurses.h>
+#include <stdio.h>
+#include <time.h>
+#include <unistd.h>
+
+#define SFG_SCREEN_RESOLUTION_X 120
+#define SFG_SCREEN_RESOLUTION_Y 40
+#define SFG_FPS 30
+
+#include "game.h"
+
+uint8_t ncScreen[SFG_SCREEN_RESOLUTION_X * SFG_SCREEN_RESOLUTION_Y];
+uint8_t ncButtonStates[SFG_KEY_COUNT];
+uint32_t timeStart;
+
+const char asciiPalette[] = 
+#if 1
+  " .',:;lcoxkXK0MW";
+#else
+  " -.,;!/clfsxaVO#"; 
+#endif
+
+uint32_t currentTime()
+{
+  struct timespec t;
+  timespec_get(&t,TIME_UTC);
+  return 1000 * ((int64_t) t.tv_sec) + ((int64_t) t.tv_nsec) / 1000000;
+}
+
+int8_t SFG_keyPressed(uint8_t key)
+{
+  return ncButtonStates[key];
+}
+
+void SFG_getMouseOffset(int16_t *x, int16_t *y)
+{
+  return;
+}
+
+uint32_t SFG_getTimeMs()
+{
+  return currentTime() - timeStart;
+}
+
+void SFG_sleepMs(uint16_t timeMs)
+{
+  usleep(1000 * timeMs);
+}
+
+void SFG_setPixel(uint16_t x, uint16_t y, uint8_t colorIndex)
+{
+  ncScreen[y * SFG_SCREEN_RESOLUTION_X + x] = asciiPalette[colorIndex % 16];
+}
+
+void SFG_playSound(uint8_t soundIndex, uint8_t volume)
+{
+}
+
+void SFG_setMusic(uint8_t value)
+{
+}
+
+void SFG_processEvent(uint8_t event, uint8_t data)
+{
+}
+
+void SFG_save(uint8_t data[SFG_SAVE_SIZE])
+{
+}
+
+uint8_t SFG_load(uint8_t data[SFG_SAVE_SIZE])
+{
+  return 0;
+}
+
+int main(void)
+{
+  timeStart = currentTime();
+
+  initscr();
+  halfdelay(1);
+  keypad(stdscr,TRUE);
+  noecho();
+  curs_set(0);
+
+  SFG_init();
+
+  int goOn = 1;
+
+  while (goOn)
+  {
+    erase();
+    move(0,0);
+
+    const uint8_t *scr = ncScreen;
+
+    for (int y = 0; y < SFG_SCREEN_RESOLUTION_Y; ++y)
+    {
+      move(y,0);
+
+      for (int x = 0; x < SFG_SCREEN_RESOLUTION_X; ++x)
+      {
+        addch(*scr);
+        scr++;
+      }
+    }
+
+    refresh();
+
+    goOn = SFG_mainLoopBody();
+
+    for (int i = 0; i < SFG_KEY_COUNT; ++i)
+      ncButtonStates[i] = 0;
+
+    while (1)
+    {
+      int c = getch();
+
+      if (c == ERR)
+        break;
+
+      switch (c)
+      {
+        case KEY_UP:      ncButtonStates[SFG_KEY_UP] = 1; break;
+        case KEY_LEFT:    ncButtonStates[SFG_KEY_LEFT] = 1; break;
+        case KEY_RIGHT:   ncButtonStates[SFG_KEY_RIGHT] = 1; break;
+        case KEY_DOWN:    ncButtonStates[SFG_KEY_DOWN] = 1; break;
+        case 'a':
+        case KEY_ENTER:   ncButtonStates[SFG_KEY_A] = 1; break;
+        case KEY_CANCEL:
+        case KEY_CLOSE:
+        case 's':         ncButtonStates[SFG_KEY_B] = 1; break;
+        case 'd':         ncButtonStates[SFG_KEY_C] = 1; break;
+        case ' ':         ncButtonStates[SFG_KEY_JUMP] = 1; break;
+        case 'q':         ncButtonStates[SFG_KEY_MENU] = 1; break;
+        case 'f':         ncButtonStates[SFG_KEY_NEXT_WEAPON] = 1; break;
+        case 'g':         ncButtonStates[SFG_KEY_PREVIOUS_WEAPON] = 1; break;
+        case 'n':         ncButtonStates[SFG_KEY_STRAFE_LEFT] = 1; break;
+        case 'm':         ncButtonStates[SFG_KEY_STRAFE_RIGHT] = 1; break;
+        default: break;
+      }
+    }
+  }
+
+  endwin();
+
+  return 0;
+}

make.sh

@@ -40,6 +40,15 @@ if [ $1 = "sdl" ]; then
 
   echo ${COMMAND}
 
+  ${COMMAND}
+elif [ $1 = "ncurses" ]; then
+  # ncurses build, requires:
+  # - libncurses-dev
+
+  COMMAND="${COMPILER} ${C_FLAGS} -lncurses main_ncurses.c"
+
+  echo ${COMMAND}
+
   ${COMMAND}
 elif [ $1 = "saf" ]; then
   # SAF build using SDL, requires: