github to gitea

utils.c

@@ -0,0 +1,15 @@
+// utils.c
+#include "cub3d.h"
+
+void put_pixel(t_img *img, int x, int y, int color) {
+    if (x < 0 || x >= WIN_W || y < 0 || y >= WIN_H) return;
+    char *dst = img->addr + (y * img->line_len + x * (img->bpp / 8));
+    *(unsigned int*)dst = (unsigned int)color;
+}
+
+int get_tex_color(t_tex *t, int tx, int ty) {
+    if (tx < 0) tx = 0; if (tx >= t->w) tx = t->w - 1;
+    if (ty < 0) ty = 0; if (ty >= t->h) ty = t->h - 1;
+    char *p = t->img.addr + ty * t->img.line_len + tx * (t->img.bpp / 8);
+    return *(unsigned int*)p;
+}