From 00518b138e3b443b87d278c0c4fa5bd834504311 Mon Sep 17 00:00:00 2001
From: Miloslav Ciz <drummyfish@dissroot.org>
Date: Thu, 2 Sep 2021 18:26:46 -0500
Subject: [PATCH] Add SAF frontend

---
 main_saf.c | 122 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 122 insertions(+)
 create mode 100644 main_saf.c

diff --git a/main_saf.c b/main_saf.c
new file mode 100644
index 0000000..518e038
--- /dev/null
+++ b/main_saf.c
@@ -0,0 +1,122 @@
+/**
+  @file main_saf.c
+
+  This is a SAF (smallabstractfish) implementation of the game front end.
+
+  by Miloslav Ciz (drummyfish), 2020
+
+  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
+  be and remain completely in the public domain forever, available for any use
+  whatsoever.
+*/
+
+#define SAF_PROGRAM_NAME "Anarch"
+#define SAF_PLATFORM_SDL2
+
+#include "saf.h"
+
+#define SFG_FPS 25
+#define SFG_DIMINISH_SPRITES 1
+#define SFG_RAYCASTING_MAX_HITS 7
+#define SFG_CAN_EXIT 1
+
+#define SFG_SCREEN_RESOLUTION_X SAF_SCREEN_WIDTH
+#define SFG_SCREEN_RESOLUTION_Y SAF_SCREEN_HEIGHT
+
+#define SFG_DITHERED_SHADOW 1
+
+#include "game.h"
+
+uint8_t palette[256];
+
+void SFG_setPixel(uint16_t x, uint16_t y, uint8_t colorIndex)
+{
+  SAF_drawPixel(x,y,palette[colorIndex]);
+}
+
+uint32_t SFG_getTimeMs()
+{
+  return SAF_time();
+}
+
+void SFG_sleepMs(uint16_t timeMs)
+{
+}
+
+int8_t SFG_keyPressed(uint8_t key)
+{
+  switch (key)
+  {
+    case SFG_KEY_UP: return SAF_buttonPressed(SAF_BUTTON_UP); break; 
+    case SFG_KEY_DOWN: return SAF_buttonPressed(SAF_BUTTON_DOWN); break;
+    case SFG_KEY_RIGHT: return SAF_buttonPressed(SAF_BUTTON_RIGHT); break;
+    case SFG_KEY_LEFT: return SAF_buttonPressed(SAF_BUTTON_LEFT); break;
+    case SFG_KEY_A: return SAF_buttonPressed(SAF_BUTTON_A); break;
+    case SFG_KEY_B: return SAF_buttonPressed(SAF_BUTTON_B); break;
+    case SFG_KEY_C: return SAF_buttonPressed(SAF_BUTTON_C); break;
+    default: return 0; break;
+  }
+}
+
+void SFG_getMouseOffset(int16_t *x, int16_t *y)
+{
+}
+
+void SFG_setMusic(uint8_t value)
+{
+}
+
+void SFG_save(uint8_t data[SFG_SAVE_SIZE])
+{
+  for (uint8_t i = 0; i < SFG_SAVE_SIZE; ++i)
+    SAF_save(i,data[i]);
+}
+
+void SFG_processEvent(uint8_t event, uint8_t data)
+{
+}
+
+uint8_t SFG_load(uint8_t data[SFG_SAVE_SIZE])
+{
+  for (uint8_t i = 0; i < SFG_SAVE_SIZE; ++i)
+    data[i] = SAF_load(i);
+
+  return 1;
+}
+
+void SFG_playSound(uint8_t soundIndex, uint8_t volume)
+{
+  switch (soundIndex)
+  {
+    case 0: SAF_playSound(SAF_SOUND_BUMP); break;
+    case 1: SAF_playSound(SAF_SOUND_CLICK); break;
+    case 2: SAF_playSound(SAF_SOUND_BOOM); break;
+    case 3: SAF_playSound(SAF_SOUND_CLICK); break;
+    case 4: SAF_playSound(SAF_SOUND_BUMP); break;
+    case 5: SAF_playSound(SAF_SOUND_BEEP); break;
+    default: break;
+  }
+}
+
+void SAF_init(void)
+{
+  for (uint16_t i = 0; i < 256; ++i)
+  {
+    uint16_t c = paletteRGB565[i];
+
+    uint8_t 
+      r = (c >> 8) & 0xf8,
+      g = (c >> 3) & 0xf8,
+      b = (c << 3) & 0xf8;
+
+    palette[i] = SAF_colorFromRGB(r,g,b);
+  }
+
+  SFG_init();
+}
+
+uint8_t SAF_loop(void)
+{
+  return SFG_mainLoopBody();
+}