WURSTWASSER INJECTION COMPLETE

games/breakout/ball.c

@@ -59,12 +59,7 @@ void bounce_rand_vector (ball_t *in_b, uint8_t in_bouncetype)
 
 void ball_think (ball_t *b)
 {
-	int8_t proj_x, proj_y, bounce;
+	int8_t proj_x, proj_y, bounce, tmp;
-	
-	/*
-	if (!b->strength)
-		return;
-	*/
 	
 	/* projection of the new coordinates */
 	proj_x = (b->x + (b->dir_x)) / 256;
@@ -76,22 +71,30 @@ void ball_think (ball_t *b)
 
 	bounce = check_bounce (proj_x, b->y / 256);
 
-	if (bounce & BOUNCE_UNDEF)
+	/* bouncing on bricks needs special handling */
-		bounce = (BOUNCE_X | bounce) & (BOUNCE_X | BOUNCE_Y);
+	if (bounce & (BOUNCE_BRICK))
+		bounce |= BOUNCE_X;
 
-	bounce |= check_bounce (b->x / 256, proj_y);
+	tmp = check_bounce (b->x / 256, proj_y);
-	bounce |= check_bounce (proj_x, proj_y);
+	if (tmp & (BOUNCE_BRICK))
+		bounce |= BOUNCE_Y;
+	bounce |= tmp;
+	
+	tmp = check_bounce (proj_x, proj_y);
+	if (tmp & (BOUNCE_BRICK))
+		bounce |= BOUNCE_X | BOUNCE_Y;
+	bounce |= tmp;
 
 	bounce_rand_vector (b, bounce);
 
 	/* bounce in x direction */
-	if (bounce & (BOUNCE_X | BOUNCE_BRICK))
+	if (bounce & BOUNCE_X)
 	{
 		b->dir_x *= -1; /* invert x vector */
 	}
 
 	/* bounce in y direction */
-	if (bounce & (BOUNCE_Y | BOUNCE_BRICK))
+	if (bounce & BOUNCE_Y)
 	{
 		b->dir_y *= -1; /* invert y vector */
 	}

games/breakout/breakout.c

@@ -61,6 +61,7 @@ void borg_breakout()
 			ball_spawn_default (&(balls[0]));
 			balls[0].strength++;
 			level_init(level);
+			rebound_init();
 		}
 	}
 }

games/breakout/config.h

@@ -1,7 +1,7 @@
 #ifndef CONFIG_H
 #define CONFIG_H
 /* amount of speed to slow down on bounce */
-#define BOUNCE_SLOWDOWN 8
+#define BOUNCE_SLOWDOWN 4
 
 /* minimum speed of the ball */
 #define BALL_MINSPEED 64
@@ -17,4 +17,18 @@
 /* "color" of the rebound */
 #define REBOUND_COLOR 2
 
+/* rebound reflection: values to add to the vector at rebound field n
+ * the size of this array must be REBOUND_SIZE +2
+ */
+static const int8_t rebound_reflection[6][2] =
+{
+	{-72, -20},  /* offside left */
+	{-40, -12},  /* left */
+	{-16,  -8},  /* center left */
+	{ 16,  -8},  /* center right */
+	{ 40, -12},  /* right */
+	{ 72, -20}   /* offside right */
+};
+
 #endif /* CONFIG_H */
+

games/breakout/rebound.c

@@ -17,25 +17,13 @@
  */
 #include "rebound.h"
 
-/* rebound reflection: values to add to the vector at rebound field n
- */
-const int8_t rebound_reflection[6][2] =
-{
-	{-54, -20},  /* offside */
-	{-32, -12}, /* left */
-	{-16,  -8}, /* center */
-	{ 16,  -8},
-	{ 32, -12},
-	{ 54, -20}
-};
-
 static uint8_t rbpos;
 
 void rebound_reflect (ball_t *b, int8_t in_x)
 {
 	uint8_t tmpidx;
 
-	tmpidx = (in_x - rbpos) +1;
+	tmpidx = ((in_x - rbpos) +1) % (REBOUND_SIZE +2);
 	
 	b->dir_x += rebound_reflection[tmpidx][0];
 	b->dir_y += rebound_reflection[tmpidx][1];
@@ -56,10 +44,14 @@ void rebound_draw ()
 {
 	uint8_t i;
 
-	for (i=rbpos;i<rbpos + REBOUND_SIZE;i++)
+	for (i=0;i<NUM_COLS;i++)
 	{
+		if (i >= rbpos && i < rbpos + REBOUND_SIZE)
 			playfield_set (i, NUM_ROWS-1, rb); /* set rebound pixel */
+		else
+			playfield_set (i, NUM_ROWS-1, sp); /* space */
 	}
+		printf("rpos: %i\n", rbpos);
 }
 
 void rebound_tick()
@@ -67,16 +59,13 @@ void rebound_tick()
 	/* directions are inverted (JOYISLEFT means RIGHT) */
 	if (JOYISRIGHT && rbpos)
 	{
-		playfield_set (rbpos + REBOUND_SIZE, NUM_ROWS-1, sp); /* clear rebound pixel */
 		rbpos--;
-		playfield_set (rbpos, NUM_ROWS-1, rb); /* set rebound pixel */
+		rebound_draw();
 	}
 
-	if (JOYISLEFT && rbpos < (NUM_COLS - (REBOUND_SIZE+1)))
+	if (JOYISLEFT && rbpos < (NUM_COLS - (REBOUND_SIZE)))
 	{
-		playfield_set (rbpos, NUM_ROWS-1, sp); /* clear rebound pixel */
 		rbpos++;
-		playfield_set (rbpos + REBOUND_SIZE, NUM_ROWS-1, rb); /* set rebound pixel */
-	}
 		rebound_draw();
+	}
 }