does not compute yet (don't even try ;))

This commit is contained in:
soeren 2010-01-15 12:19:54 +00:00
parent 40a3db9fe8
commit 45dc9282fd
11 changed files with 360 additions and 0 deletions

56
games/breakout/ball.c Normal file
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#include "common.h"
void ball_think (ball_t *b)
{
uint8_t new_x, new_y;
if (!b->strength)
return;
new_x = (b->x + b->dir_x) >> 8;
new_y = (b->y + b->dir_y) >> 8;
/* ball fell out of the field */
if (new_y >= NUM_ROWS)
ball_die (b);
/* bounce in x direction */
if (check_bounce (new_x, b->y >> 8))
{
b->dir_x *= -1; /* invert x vector */
#if BOUNCE_SLOWDOWN
if (b->dir_x < 0)
{
b->dir_x += BOUNCE_SLOWDOWN;
} else
{
b->dir_x -= BOUNCE_SLOWDOWN;
}
#endif
}
/* bounce in y direction */
if (check_bounce (b->x >> 8), new_y)
{
b->dir_y *= -1; /* invert y vector */
#if BOUNCE_SLOWDOWN
if (b->dir_y < 0)
{
b->dir_y += BOUNCE_SLOWDOWN;
} else
{
b->dir_y -= BOUNCE_SLOWDOWN;
}
#endif
}
}
void ball_die (ball_t *in_b)
{
in_b->strength--;
/* respawn ball with random direction */
if (in_b->strength)
ball_spawn (in_b, (NUM_COLS / 2) << 8, (NUM_ROWS-2) << 8, - random8(), random8(), START_LIFES);
}

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games/breakout/ball.h Normal file
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#ifndef BALL_H
#define BALL_H
#include <stdint.h>
#include "common.h"
typedef struct
{
uint16_t x;
uint16_t y;
int16_t dir_x; /* direction vector */
int16_t dir_y;
uint8_t strength;
} ball_t;
void ball_spawn (ball_t *in_ball, uint16_t in_x, uint16_t in_y, int16_t in_dir_x, int16_t in_dir_y, uint8_t in_strength)
{
in_ball->x = in_x;
in_ball->y = in_y;
in_ball->dir_x = in_dir_x;
in_ball->dir_y = in_dir_y;
in_ball->strength = in_strength;
}
/* @description Called once per game tick. Move the ball further along it's vector.
*/
void ball_think (ball_t *in_ball);
/* @description Change the ball's moving vector according to bounce and collision type
*/
void ball_bounce (ball_t *in_ball, enum collision_t in_coltype);
void ball_die (ball_t *in_b)
#endif /* BALL_H */

32
games/breakout/breakout.c Normal file
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#include "../../menu/menu.h"
static uint8_t icon[8] PROGMEM =
{0x03, 0x03, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00}; /* our Icon */
#ifdef MENU_SUPPORT
game_descriptor_t invaders_game_descriptor __attribute__((section(".game_descriptors"))) ={
&borg_breakout,
icon,
};
#endif
void borg_breakout()
{
uint8_t rungame = 1, num_balls = 1;
ball_t balls[1];
ball_init (balls[0]);
/* spawn a ball in the middle bottom of the field, let it move upwards with random speed & x-direction */
ball_spawn (balls[0], (NUM_COLS / 2) << 8, (NUM_ROWS-2) << 8, - random8(), random8(), START_LIFES);
level_init(1);
while (rungame)
{
ball_think(balls[0]);
playfield_draw();
ball_draw(balls[0]);
}
}

8
games/breakout/bricks.h Normal file
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typedef struct
{
uint8_t x;
uint8_t y;
uint8_t strength;
} brick_t;
void brick_damage (brick_t *in_brick);

12
games/breakout/common.h Normal file
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#ifndef COMMON_H
#define COMMON_H
#include <stdint.h>
#include "../../config.h"
#include "../../random/prng.h"
#include "../../pixel.h"
#include "config.h"
#include "playfield.h"
#include "ball.h"
#include "score.h"
#include "level.h"
#endif /* COMMON_H */

8
games/breakout/config.h Normal file
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/* amount of speed to slow down on bounce */
#define BOUNCE_SLOWDOWN 1
/* minimum speed of the ball */
#define BALL_MINSPEED 0x0010
/* initial amount of lifes */
#define START_LIFES 3

67
games/breakout/level.c Normal file
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#include "level.h"
/* real level definition */
inline void level_field (uint8_t in_x, uint8_t in_y, uint8_t in_lvl)
{
switch (in_lvl)
{
case 1:
/* space for the lower half of the level */
if (in_y < (NUM_ROWS / 2))
return sp;
/* type 2 bricks for 1/4th of the field */
if (in_y >= (NUM_ROWS / 4))
return b2;
/* fill the rest with type 1 */
return b1;
break;
case 3:
/* add a row of solid bricks right in the middle of the field */
if (in_y == (NUM_ROWS / 2) &&
(in_x > (NUM_COLS / 4) && in_x < (NUM_COLS - (NUM_COLS / 4)))
return bs;
/* intentional fallthrough: the rest of level 3 is like level 2 */
case 2:
/* space for the lower third of the level */
if (in_y < (NUM_ROWS / 3))
return sp;
/* type 3 bricks for 1/8th of the field */
if (in_y >= (NUM_ROWS / 8))
return b3;
/* type 2 bricks for 1/4th of the field */
if (in_y >= (NUM_ROWS / 4))
return b2;
/* fill the rest with type 1 */
return b1;
default: /* random level generation */
/* space for the lower half of the level */
if (in_y < (NUM_ROWS / 2))
return sp;
return random8() % 5; /* fill field with random bricks (and spaces) */
break;
}
}
void level_init (uint8_t in_levelnum)
{
uint8_t x,y;
for (x=0;x<NUM_COLS;x++)
{
for (y=0;y<NUM_ROWS;y++)
{
playfield_set (x,y, level_field (x, y, in_levelnum));
}
}
}

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games/breakout/level.h Normal file
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#ifndef LEVEL_H
#define LEVEL_H
#include "common.h"
void level_init (uint8_t in_levelnum)
#endif /* LEVEL_H */

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#include "common.h"
uint8_t brick_damage (uint8_t in_x, uint8_t in_y)
{
game_field_t newtype;
switch (playfiled[in_x][in_y])
{
case brick_1:
playfield[in_x][in_y] = freespace;
break;
case brick_2:
playfield[in_x][in_y] = brick_1;
break;
case brick_3:
playfield[in_x][in_y] = brick_2;
break;
default:
return;
}
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 freespace:
case ball:
return 0;
case brick_2:
case brick_3:
case brick_1:
brick_damage (in_x, in_y);
/* intentional fallthrough */
case brick_solid:
case bouncer:
return 1;
}
}
/* 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++)
{
}
}
}

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#include <stdint.h>
#include "ball.h"
#include "score.h"
#ifndef PLAYFIELD_H
#define PLAYFIELD_H
/* entries for the playing field */
enum game_field_t
{
sp = 0, /* space */
b1 = 1, b2 = 2, b3 = 3, /* bricks */
bs = 4 /* solid (unbreakable) brick */
bl, /* ball */
rb, /* rebound */
};
/* @description draw the current field
*/
void playfield_draw();
/* @description set a field with given property.
*/
void playfield_set (uint8_t in_x, uint8_t in_y, enum game_field_t in_field);
/* @description Checks if there is an object in the way. If so, it returns 1
*/
uint8_t check_bounce (uint8_t in_x, uint8_t in_y);
#endif /* PLAYFIELD_H */

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games/breakout/score.h Normal file
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#include <stdint.h>
#ifndef SCORE_H
#define SCORE_H
static uint16_t score = 0;
void score_add(uint8_t);
score_add (uint8_t in_score)
{
score += in_score;
}
#endif