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saved 206 bytes

This commit is contained in:
Christian Kroll 2011-02-25 07:47:42 +00:00
parent 3725d7b420
commit 9c6a778871
4 changed files with 37 additions and 63 deletions
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12
games/space_invaders/invader_draw.c
View File

@ -21,15 +21,7 @@ void setInvaderPixel(Invaders * iv, unsigned char x, unsigned char y,
}
}
unsigned char getGuardPixel(unsigned char guards[BORG_WIDTH], unsigned char x,
unsigned char y)
{
if (x < BORG_WIDTH && y == GUARD_LINE)
return guards[x];
return 0;
}
void setGuardPixel(unsigned char guards[BORG_WIDTH], unsigned char x,
void setGuardPixel(unsigned char *guards, unsigned char x,
unsigned char y, unsigned char val)
{
if (x < BORG_WIDTH && y == GUARD_LINE && val <= 3)
@ -39,7 +31,7 @@ void setGuardPixel(unsigned char guards[BORG_WIDTH], unsigned char x,
/*----------------------drawing Method---------------------------*/
void draw(Invaders * iv, Spaceship * sc, Player * pl, Cannon * cn,
unsigned char guards[BORG_WIDTH], uPixel st[MAX_SHOTS], uPixel * shot)
unsigned char *guards, uPixel *st, uPixel * shot)
{
clearScreen ();

63
games/space_invaders/invader_init.c
View File

@ -1,42 +1,22 @@
#include <stdint.h>
#include <string.h>
#include "../../compat/pgmspace.h"
#include "invaders2.h"
uint8_t const peter[8][11] PROGMEM =
{
{ 0, 0, P, 0, 0, 0, 0, 0, P, 0, 0 },
{ 0, 0, 0, P, 0, 0, 0, P, 0, 0, 0 },
{ 0, 0, P, P, P, P, P, P, P, 0, 0 },
{ 0, P, P, 0, P, P, P, 0, P, P, 0 },
{ P, P, P, P, P, P, P, P, P, P, P },
{ P, 0, P, P, P, P, P, P, P, 0, P },
{ P, 0, P, 0, 0, 0, 0, 0, P, 0, P },
{ 0, 0, 0, P, P, 0, P, P, 0, 0, 0 } };
uint16_t const peter[8] PROGMEM =
{0x0104, 0x0088, 0x01FC, 0x0376, 0x07FF, 0x05FD, 0x0505, 0x00D8};
uint8_t const hans[8][11] PROGMEM =
{
{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
{ 1, 2, 1, 1, 2, 2, 2, 1, 2, 2, 1 },
{ 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2 },
{ 1, 2, 1, 1, 2, 2, 2, 1, 2, 2, 1 },
{ 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2 },
{ 1, 2, 2, 1, 2, 1, 2, 1, 2, 2, 2 },
{ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } };
uint16_t const hans[7] PROGMEM =
{0x0000, 0x0372, 0x0552, 0x0372, 0x0552, 0x0356, 0x0000};
void initGuards(unsigned char guards[BORG_WIDTH])
void initGuards(unsigned char *guards)
{
unsigned char x;
for (x = BORG_WIDTH; x--;)
{
guards[x] = 0;
}
memset(guards, 0, BORG_WIDTH);
guards[3] = 3;
guards[6] = 3;
guards[10] = 3;
guards[13] = 3;
}
void initInvaders(Invaders * iv, unsigned char lv)
@ -44,13 +24,7 @@ void initInvaders(Invaders * iv, unsigned char lv)
unsigned char x, y;
// first zero out map!
for (x = MAX_INVADER_WIDTH; x--;)
{
for (y = MAX_INVADER_HEIGHT; y--;)
{
iv->map[x][y] = 0;
}
}
memset(iv->map, 0, sizeof(iv->map));
iv->speedinc = 0;
iv->isEdged = 0;
@ -112,14 +86,14 @@ void initInvaders(Invaders * iv, unsigned char lv)
break;
case 3:
for (y = 7; y--;)
{
uint16_t hansrow = pgm_read_word(&hans[y]);
uint16_t mask = 0x0001;
for (x = 11; x--;)
{
for (y = 8; y--;)
{
if (pgm_read_byte(&hans[y][x]) != 0)
{
iv->map[x][y] = 2;
}
iv->map[x][y] = (hansrow & mask) ? 3 : 1;
mask <<= 1;
}
}
@ -132,14 +106,17 @@ void initInvaders(Invaders * iv, unsigned char lv)
break;
case 4:
for (x = 11; x--;)
{
for (y = 8; y--;)
{
if (pgm_read_byte(&peter[y][x]) != 0)
uint16_t peterrow = pgm_read_word(&peter[y]);
uint16_t mask = 0x0001;
for (x = 11; x--;)
{
if (peterrow & mask)
{
iv->map[x][y] = 2;
}
mask <<= 1;
}
}

6
games/space_invaders/invader_proc.c
View File

@ -43,7 +43,7 @@ void procCannon(Cannon * cn, uPixel * shot)
}
unsigned char areAtBorder(Invaders * iv)
static unsigned char areAtBorder(Invaders * iv)
{
unsigned char y;
for (y = SPACESHIP_LINE + 1; y <= GUARD_LINE; ++y)
@ -58,7 +58,7 @@ unsigned char areAtBorder(Invaders * iv)
}
void procInvaders(Invaders * iv, uPixel st[MAX_SHOTS])
void procInvaders(Invaders * iv, uPixel *st)
{
static unsigned char mv = 0;
@ -111,7 +111,7 @@ void procInvaders(Invaders * iv, uPixel st[MAX_SHOTS])
}
void procShots(Invaders * iv, Player * pl, Cannon * cn, Spaceship * sc,
unsigned char guards[BORG_WIDTH], uPixel st[MAX_SHOTS], uPixel * shot)
unsigned char *guards, uPixel *st, uPixel * shot)
{
unsigned char i;
static unsigned char cmv = 0, imv = 0;

19
games/space_invaders/invaders2.h
View File

@ -51,8 +51,8 @@ typedef struct
/* GLOBALE VAR */
/****************************************************************/
#define P 3
extern uint8_t const peter[8][11];
extern uint8_t const hans[8][11];
extern uint16_t const peter[8];
extern uint16_t const hans[7];
/****************************************************************/
/* DEFINES */
@ -165,16 +165,21 @@ unsigned char getInvaderPixel(Invaders * iv, unsigned char x, unsigned char y);
void setInvaderPixel(Invaders * iv, unsigned char x, unsigned char y,
unsigned char val);
unsigned char getGuardPixel(unsigned char guards[BORG_WIDTH], unsigned char x,
unsigned char y);
void setGuardPixel(unsigned char guards[BORG_WIDTH], unsigned char x,
void setGuardPixel(unsigned char *guards, unsigned char x,
unsigned char y, unsigned char val);
inline static unsigned char getGuardPixel(unsigned char *guards,
unsigned char x, unsigned char y)
{
if (x < BORG_WIDTH && y == GUARD_LINE)
return guards[x];
return 0;
}
/*----------------------drawing Method---------------------------*/
void draw(Invaders * iv, Spaceship * sc, Player * pl, Cannon * cn,
unsigned char guards[BORG_WIDTH], uPixel ishots[MAX_SHOTS],
unsigned char *guards, uPixel *ishots,
uPixel * shot);
#endif