From d5f29beb8fb0fcb5ef53ab818c3ab3f00758d634 Mon Sep 17 00:00:00 2001
From: lif <>
Date: Sun, 3 Mar 2024 02:39:46 -0800
Subject: [PATCH] key input

---
 main.c | 39 +++++++++++++++++++++++++++++++++------
 1 file changed, 33 insertions(+), 6 deletions(-)

diff --git a/main.c b/main.c
index 6fd2918..c455547 100644
--- a/main.c
+++ b/main.c
@@ -2,6 +2,7 @@
 #include "SDL3/SDL_blendmode.h"
 #include "SDL3/SDL_error.h"
 #include "SDL3/SDL_init.h"
+#include "SDL3/SDL_keycode.h"
 #include "SDL3/SDL_log.h"
 #include "SDL3/SDL_main.h"
 #include "SDL3/SDL_pixels.h"
@@ -41,6 +42,7 @@ static SDL_Surface* filtered[NUM_CHANNELS] = { NULL, NULL, NULL };
 static SDL_Surface* screens[NUM_CHANNELS] = { NULL, NULL, NULL };
 
 static struct mCore* cores[NUM_CHANNELS] = { NULL, NULL, NULL };
+static unsigned keys = 0;
 
 enum mColorFormat pixfmt_sdl_to_mgba(uint32_t sdl_fmt) {
     switch (sdl_fmt) {
@@ -340,12 +342,32 @@ int SDL_AppEvent(const SDL_Event *event) {
     switch (event->type) {
         case SDL_EVENT_KEY_DOWN: {
             const SDL_Keycode sym = event->key.keysym.sym;
-            if (sym == SDLK_ESCAPE || sym == SDLK_AC_BACK) {
-                SDL_Log("Key : Escape!");
-                return 1;
-            } else if (sym == SDLK_SPACE) {
-                FlipCamera();
-                return 0;
+            switch (sym) {
+                case SDLK_ESCAPE: case SDLK_AC_BACK: return 1;
+                case SDLK_SPACE: FlipCamera(); break;
+                case SDLK_UP: keys |= 0x40; break;
+                case SDLK_DOWN: keys |= 0x80; break;
+                case SDLK_LEFT: keys |= 0x20; break;
+                case SDLK_RIGHT: keys |= 0x10; break;
+                case SDLK_a: case SDLK_z: keys |= 1; break;
+                case SDLK_b: case SDLK_x: keys |= 2; break;
+                case SDLK_RETURN: keys |= 8; break;
+                case SDLK_BACKSPACE: keys |= 4; break;
+            }
+            break;
+        }
+
+        case SDL_EVENT_KEY_UP: {
+            const SDL_Keycode sym = event->key.keysym.sym;
+            switch (sym) {
+                case SDLK_UP: keys &= ~0x40; break;
+                case SDLK_DOWN: keys &= ~0x80; break;
+                case SDLK_LEFT: keys &= ~0x20; break;
+                case SDLK_RIGHT: keys &= ~0x10; break;
+                case SDLK_a: case SDLK_z: keys &= ~1; break;
+                case SDLK_b: case SDLK_x: keys &= ~2; break;
+                case SDLK_RETURN: keys &= ~8; break;
+                case SDLK_BACKSPACE: keys &= ~4; break;
             }
             break;
         }
@@ -417,8 +439,13 @@ int SDL_AppIterate(void) {
     if (since_last_present < FRAMESKIP_LIMIT) {
         for (i = 0; i < NUM_CHANNELS; i++) {
             struct mCore* core = cores[i];
+            core->setKeys(core, keys);
             core->runFrame(core);
         }
+        /*hack*/
+        if (keys && since_last_present < FRAMESKIP_LIMIT - 8) {
+            since_last_present = FRAMESKIP_LIMIT - 8;
+        }
     }
 
     if (!texture_updated) {