day 13

aoc/aoc.c

@@ -28,7 +28,7 @@ Tokens str_tokenize(Arena *arena, str s, str delim) {
 
     str stuff = s;
     isize token_count = 0;
-    while (str_next_token(&stuff, delim).len > 0) {
+    for (; stuff.len > 0; str_next_token(&stuff, delim)) {
         token_count++;
     }
 

aoc/common.h

@@ -98,76 +98,3 @@ typedef double f64;
 #define MAX(a, b) ((a) > (b) ? (a) : (b))
 #define MIN(a, b) ((a) < (b) ? (a) : (b))
 #define CLAMP(x, lo, hi) ((x) < (lo) ? (lo) : (x) > (hi) ? (hi) : (x))
-
-typedef union Vec2 {
-    struct { f32 x, y; };
-    struct { f32 u, v; };
-} Vec2;
-
-typedef union Vec2i {
-    struct { i32 x, y; };
-    struct { i32 u, v; };
-} Vec2i ;
-
-typedef struct Mat4 {
-    float e[4][4];
-} Mat4;
-
-
-static inline Vec2
-vec2_add(Vec2 a, Vec2 b) {
-    Vec2 result = {
-        .x = a.x + b.x,
-        .y = a.y + b.y,
-    };
-    return result;
-}
-
-static inline Vec2
-vec2_sub(Vec2 a, Vec2 b) {
-    Vec2 result = {
-        .x = a.x - b.x,
-        .y = a.y - b.y,
-    };
-    return result;
-}
-
-static inline Vec2
-vec2(f32 x, f32 y) {
-    Vec2 result = {{ x, y }};
-    return result;
-}
-
-static inline f32
-vec2_dot(Vec2 a, Vec2 b) {
-    return a.x * b.x + a.y * b.y;
-}
-
-static inline f32
-vec2_norm2(Vec2 v) {
-    return vec2_dot(v, v);
-}
-
-static inline f32
-vec2_norm(Vec2 v) {
-    return sqrtf(vec2_norm2(v));
-}
-
-static inline f32
-vec2_dist(Vec2 a, Vec2 b) {
-    return vec2_norm(vec2_sub(a, b));
-}
-
-typedef struct Rect2i {
-    int x, y, w, h;
-} Rect2i;
-
-typedef struct Rect2f {
-    f32 x, y, w, h;
-} Rect2f;
-
-static inline Rect2f
-rect2f(f32 x, f32 y, f32 w, f32 h) {
-    Rect2f result = { x, y, w, h };
-    return result;
-}