Implement movement

Add simple movement according to Allegro manual.

Signed-off-by: Carlos Maiolino <[email protected]>

2 files changed, 44 insertions, 3 deletions

diff --git a/src/include/rb.h b/src/include/rb.h
index fb3f617..cc321e6 100644
--- a/src/include/rb.h
+++ b/src/include/rb.h
@@ -3,8 +3,8 @@
 
 #include <allegro5/allegro5.h>
 
-#define RB_WIDTH 640
-#define RB_HEIGHT 480
+#define RB_WIDTH 1600
+#define RB_HEIGHT 900
 #define RB_FPS	(1.0 / 30.0) /* 1 sec divided by 30 frames */
 
 struct rb {
diff --git a/src/rb.c b/src/rb.c
index d0630ab..7486d93 100644
--- a/src/rb.c
+++ b/src/rb.c
@@ -107,10 +107,16 @@ register_events(struct rb *rb)
 void
 start_game(struct rb *rb)
 {
+#define KEY_SEEN 1
+#define KEY_DOWN 2
+
 	bool done	= false;
 	bool redraw	= true;
 	float x, y;
 	ALLEGRO_EVENT	event;
+	unsigned char key[ALLEGRO_KEY_MAX];
+	memset(key, 0, sizeof(key));
+
 
 	x = 100;
 	y = 100;
@@ -121,11 +127,46 @@ start_game(struct rb *rb)
 
 		switch(event.type) {
 		case ALLEGRO_EVENT_TIMER:
+			if (key[ALLEGRO_KEY_UP])
+				y--;
+			if (key[ALLEGRO_KEY_DOWN])
+				y++;
+			if (key[ALLEGRO_KEY_LEFT])
+				x--;
+			if (key[ALLEGRO_KEY_RIGHT])
+				x++;
+
+			if (key[ALLEGRO_KEY_ESCAPE])
+				done = true;
+
+			for (int i = 0; i < ALLEGRO_KEY_MAX; i++)
+				key[i] &= ~KEY_SEEN;
+
 			redraw = true;
 			break;
 
 		case ALLEGRO_EVENT_KEY_DOWN:
-			/* fallthrough */
+			key[event.keyboard.keycode] = KEY_SEEN | KEY_DOWN;
+			break;
+		case ALLEGRO_EVENT_KEY_UP:
+			key[event.keyboard.keycode] &= ~KEY_DOWN;
+			break;
+
+#if 0
+		case ALLEGRO_EVENT_KEY_CHAR:
+			if (event.keyboard.keycode == ALLEGRO_KEY_UP)
+				y--;
+			if (event.keyboard.keycode == ALLEGRO_KEY_DOWN)
+				y++;
+			if (event.keyboard.keycode == ALLEGRO_KEY_LEFT)
+				x--;
+			if (event.keyboard.keycode == ALLEGRO_KEY_RIGHT)
+				x++;
+
+			if (event.keyboard.keycode != ALLEGRO_KEY_ESCAPE)
+				break;
+#endif
+
 		case ALLEGRO_EVENT_DISPLAY_CLOSE:
 			done = true;
 			break;