X-Git-Url: https://jasonwoof.com/gitweb/?p=vor.git;a=blobdiff_plain;f=rocks.c;h=82f29bf64f84c5939ddbb3b853842d9bb5437c4f;hp=114e22fac7abcae4c844cd95ea4e81a95db4abb3;hb=c633a2e26924f5210aa8094593f5f003cee70a48;hpb=a7afb8a944789a03012c2c661d05895e95ac78c8 diff --git a/rocks.c b/rocks.c index 114e22f..82f29bf 100644 --- a/rocks.c +++ b/rocks.c @@ -13,17 +13,9 @@ SDL_Surface *load_image(char *filename); -struct rock_struct { - struct rock_struct *next; - float x,y,dx,dy; - SDL_Surface *image; - struct shape *shape; - int type_number; -}; +struct rock rocks[MAXROCKS], *free_rocks; -struct rock_struct rocks[MAXROCKS], *free_rocks; - -struct rock_struct **rock_buckets[2]; +struct rock **rock_buckets[2]; int n_buckets; // we have two sets of buckets -- this variable tells which we are using. int p; @@ -46,7 +38,7 @@ float nrocks_inc_ticks = 2*60*20/(F_ROCKS-I_ROCKS); #define RDX 2.5 // range for rock dx values (+/-) #define RDY 2.5 // range for rock dy values (+/-) -static inline struct rock_struct ** +static inline struct rock ** bucket(int x, int y, int p) { int b = (x+grid_size)/grid_size + bw*((y+grid_size)/grid_size); @@ -62,8 +54,8 @@ init_buckets(void) bh = 1 + scr_grid_h + 1; n_buckets = bw * bh; - rock_buckets[0] = malloc(n_buckets * sizeof(struct rock_struct *)); - rock_buckets[1] = malloc(n_buckets * sizeof(struct rock_struct *)); + rock_buckets[0] = malloc(n_buckets * sizeof(struct rock *)); + rock_buckets[1] = malloc(n_buckets * sizeof(struct rock *)); if(!rock_buckets[0] || !rock_buckets[1]) { fprintf(stderr, "Can't allocate rock buckets.\n"); exit(1); @@ -72,10 +64,10 @@ init_buckets(void) } void -transfer_rock(struct rock_struct *r, struct rock_struct **from, struct rock_struct **to) +transfer_rock(struct rock *r, struct rock **from, struct rock **to) { - *from = r->next; - r->next = *to; + *from = &r->next->rock; + r->next = SPRITE(*to); *to = r; } @@ -86,7 +78,7 @@ reset_rocks(void) for(i=0; itype_number = urnd() % NROCKS; - r->image = surf_rock[r->type_number]; - r->shape = &rock_shapes[r->type_number]; + r->type = urnd() % NROCKS; + r->image = surf_rock[r->type]; + r->shape = &rock_shapes[r->type]; switch(i) { case RIGHT: r->x = XSIZE; @@ -256,8 +248,8 @@ void move_rocks(void) { int b; - struct rock_struct **head; - struct rock_struct *r; + struct rock **head; + struct rock *r; // Move all the rocks for(b=0; bnext) { + for(; r; r=&r->next->rock) { if(collide(x - r->x, y - r->y, r->shape, shape)) return 1; } return 0; @@ -308,7 +300,7 @@ hit_rocks(float x, float y, struct shape *shape) { int ix, iy; int l, r, t, b; - struct rock_struct **bucket; + struct rock **bucket; ix = x + grid_size; iy = y + grid_size; l = ix / grid_size; r = (ix+shape->w)/grid_size; @@ -333,9 +325,9 @@ hit_rocks(float x, float y, struct shape *shape) } int -pixel_hit_in_bucket(struct rock_struct *r, float x, float y) +pixel_hit_in_bucket(struct rock *r, float x, float y) { - for(; r; r=r->next) { + for(; r; r=&r->next->rock) { if(x < r->x || y < r->y) continue; if(pixel_collide(x - r->x, y - r->y, r->shape)) return 1; } @@ -347,7 +339,7 @@ pixel_hit_rocks(float x, float y) { int ix, iy; int l, t; - struct rock_struct **bucket; + struct rock **bucket; ix = x + grid_size; iy = y + grid_size; l = ix / grid_size; t = iy / grid_size; @@ -363,13 +355,13 @@ void blast_rocks(float x, float y, float radius, int onlyslow) { int b; - struct rock_struct *r; + struct rock *r; float dx, dy, n; if(onlyslow) return; for(b=0; bnext) { + for(r=rock_buckets[p][b]; r; r=&r->next->rock) { if(r->x <= 0) continue; // This makes it so your explosion from dying magically doesn't leave