borgware-2d/games/space_invaders/invader_draw.c

118 lines
2.5 KiB
C

#include "invaders2.h"
/*----------------------getter/setter----------------------------*/
unsigned char getInvaderPixel(Invaders * iv, unsigned char x, unsigned char y)
{
if (((x - iv->pos.x) < MAX_INVADER_WIDTH) && ((x - iv->pos.x) >= 0) && ((y
- iv->pos.y) < MAX_INVADER_HEIGHT) && ((y - iv->pos.y) >= 0))
{
return iv->map[x - iv->pos.x][y - iv->pos.y];
}
return 0;
}
void setInvaderPixel(Invaders * iv, unsigned char x, unsigned char y,
unsigned char val)
{
if (((x - iv->pos.x) < MAX_INVADER_WIDTH) && ((x - iv->pos.x) >= 0) && ((y
- iv->pos.y) < MAX_INVADER_HEIGHT) && ((y - iv->pos.y) >= 0))
{
iv->map[x - iv->pos.x][y - iv->pos.y] = val;
}
}
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,
unsigned char y, unsigned char val)
{
if (x < BORG_WIDTH && y == GUARD_LINE && val <= 3)
guards[x] = val;
}
/*----------------------drawing Method---------------------------*/
void draw(Invaders * iv, Spaceship * sc, Player * pl, Cannon * cn,
unsigned char guards[BORG_WIDTH], uPixel st[MAX_SHOTS], uPixel * shot)
{
clearScreen ();
unsigned char x, y;
/*---SPACESHIP---*/
if (sc->pos < RIGHT_BORDER)
{
setPixel (sc->pos, SPACESHIP_LINE, sc->lives);
}
if (sc->pos - 1 < RIGHT_BORDER)
{
setPixel (sc->pos + 1, SPACESHIP_LINE, sc->lives);
}
/*---INVADERS--*/
// for (y = 0; y < MAX_INVADER_HEIGHT; y++)
for (y = MAX_INVADER_HEIGHT; y--;)
{
// for (x = 0; x < MAX_INVADER_WIDTH; x++)
for (x = MAX_INVADER_WIDTH; x--;)
{
//mal in oder statement umwandeln ;-)
if (iv->map[x][y] == 0)
continue;
if (x + iv->pos.x > RIGHT_BORDER)
continue;
if (x + iv->pos.x < 0)
continue;
setPixel (x + iv->pos.x, y + iv->pos.y, iv->map[x][y]);
}
}
/*---GUARDS---*/
for (x = BORG_WIDTH; x--;)
{
if (guards[x] != 0)
{
setPixel (x, GUARD_LINE, guards[x]);
}
}
/*---SHOTS--*/
unsigned char i;
for (i = MAX_SHOTS; i--;)
{
if (st[i].x < BORG_WIDTH && st[i].y < BORG_HEIGHT)
{
setPixel (st[i].x, st[i].y, 3);
}
}
/*draw player shot */
if (!(cn->ready))
{
setPixel (shot->x, shot->y, 3);
}
/*-- CANNON --*/
if (cn->pos >= LEFT_BORDER + 1)
{
setPixel (cn->pos - 1, 15, pl->lives);
}
if (cn->pos < BORG_WIDTH)
{
setPixel (cn->pos, 15, pl->lives);
setPixel (cn->pos, 14, pl->lives);
}
if (cn->pos < RIGHT_BORDER)
{
setPixel (cn->pos + 1, 15, pl->lives);
}
}