borgware-2d/games/breakout/playfield.c

84 lines
1.1 KiB
C

#include "common.h"
uint8_t brick_damage (uint8_t in_x, uint8_t in_y)
{
game_field_t newtype;
if (playfield[in_x][in_y] > bs || playfield[in_x][in_y] == 0)
return;
playfield[in_x][in_y]--;
score_add (1);
}
uint8_t check_bounce (uint8_t in_x, uint8_t in_y)
{
/* overflow check */
if (in_x >= NUM_ROWS)
return 1;
if (in_y >= NUM_COLS)
return 1;
/* collisions with real objects */
switch (playfield[in_x][in_y])
{
case sp:
case bl:
return 0;
case b2:
case b3:
case b1:
brick_damage (in_x, in_y);
/* intentional fallthrough */
case bs:
return 1;
/* bouncing on the rebound needs special care */
case rb:
return 2;
}
}
/* this is the actual draw function for a single field
*/
static inline void draw_single_field (game_field_t in_f)
{
switch (in_f)
{
case b1:
setPixel ();
return;
case rb:
case b2:
return;
case b3:
case bl:
case bs:
return;
default: /* this includes freespace */
return;
}
}
void playfield_draw ()
{
uint8_t x,y;
for (x=0;x<NUM_ROWS;x++)
{
for (y=0;y<NUM_COLS;y++)
{
}
}
}