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[box] place ships underneath grid #1639

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nick black 2021-05-10 04:37:08 -04:00 committed by Nick Black
parent a39b5f9347
commit 29b161f1c0
1 changed files with 28 additions and 21 deletions
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49
src/demo/boxdemo.c
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@ -94,21 +94,28 @@ move_ships(struct notcurses* nc, struct ship* ships, unsigned shipcount){
if(ships[s].n == NULL){ if(ships[s].n == NULL){
continue; continue;
} }
int y, x; int yoff, xoff, ny, nx;
ncplane_yx(ships[s].n, &y, &x); ncplane_yx(ships[s].n, &yoff, &xoff);
y += ships[s].vely; ncplane_dim_yx(ships[s].n, &ny, &nx);
x += ships[s].velx; int dimy = ncplane_dim_y(stdn);
if(x < 0){ int dimx = ncplane_dim_x(stdn);
x = 0; yoff += ships[s].vely;
}else if(x >= ncplane_dim_x(stdn) - SHIPWIDTH){ xoff += ships[s].velx;
x = ncplane_dim_x(stdn) - SHIPWIDTH - 1; if(xoff <= 0){
xoff = 0;
ships[s].velx = -ships[s].velx;
}else if(xoff >= dimx - nx){
xoff = dimx - nx - 1;
ships[s].velx = -ships[s].velx;
} }
if(y < 0){ if(yoff <= 1){
y = 0; yoff = 2;
}else if(y >= ncplane_dim_y(stdn) - SHIPHEIGHT){ ships[s].vely = -ships[s].vely;
y = ncplane_dim_y(stdn) - SHIPHEIGHT - 1; }else if(yoff >= dimy - ny){
yoff = dimy - ny - 1;
ships[s].vely = -ships[s].vely;
} }
ncplane_move_yx(ships[s].n, y, x); ncplane_move_yx(ships[s].n, yoff, xoff);
} }
return 0; return 0;
} }
@ -142,8 +149,12 @@ get_ships(struct notcurses* nc, struct ship* ships, unsigned shipcount){
} }
} }
ncplane_move_below(ships[s].n, notcurses_stdplane(nc)); ncplane_move_below(ships[s].n, notcurses_stdplane(nc));
ships[s].vely = random() % 5 - 2; if((ships[s].vely = random() % 6 - 3) == 0){
ships[s].velx = random() % 5 - 2; ships[s].vely = 3;
}
if((ships[s].velx = random() % 6 - 3) == 0){
ships[s].velx = 3;
}
} }
ncvisual_destroy(wmv); ncvisual_destroy(wmv);
return 0; return 0;
@ -167,10 +178,6 @@ int box_demo(struct notcurses* nc){
const int targx = 7; const int targx = 7;
const int targy = 7; const int targy = 7;
int ytargbase = (ylen - targy) / 2; int ytargbase = (ylen - targy) / 2;
nccell c = CELL_CHAR_INITIALIZER(' ');
nccell_set_bg_default(&c);
ncplane_set_base_cell(n, &c);
nccell_release(n, &c);
ncplane_set_fg_rgb8(n, 180, 40, 180); ncplane_set_fg_rgb8(n, 180, 40, 180);
ncplane_set_bg_default(n); ncplane_set_bg_default(n);
if(notcurses_canutf8(nc)){ if(notcurses_canutf8(nc)){
@ -209,7 +216,7 @@ int box_demo(struct notcurses* nc){
int y = 1, x = 0; int y = 1, x = 0;
ncplane_dim_yx(n, &ylen, &xlen); ncplane_dim_yx(n, &ylen, &xlen);
--ylen; --ylen;
while(ylen - y >= targy * 2 && xlen - x >= targx * 2){ while(ylen - y >= targy && xlen - x >= targx){
if(ncplane_cursor_move_yx(n, y, x)){ if(ncplane_cursor_move_yx(n, y, x)){
return -1; return -1;
} }
@ -242,7 +249,7 @@ int box_demo(struct notcurses* nc){
ncplane_dim_yx(n, &ylen, &xlen); ncplane_dim_yx(n, &ylen, &xlen);
--ylen; --ylen;
move_ships(nc, ships, sizeof(ships) / sizeof(*ships)); move_ships(nc, ships, sizeof(ships) / sizeof(*ships));
while(ylen - y >= targy * 2 && xlen - x >= targx * 2){ while(ylen - y >= targy && xlen - x >= targx){
if(ncplane_cursor_move_yx(n, y, x)){ if(ncplane_cursor_move_yx(n, y, x)){
return -1; return -1;
} }