void map_walk(TCOD_path_t path, point *p, float dist)
{
int x, y;
TCOD_path_get_origin(path, &x, &y);
//printf("origin: %d, %d\n", x, y);
//printf("curr : %f, %f\n", p->x, p->y);
TCOD_path_get(path, 0, &x, &y);
//printf("step 0: %d, %d\n", x, y);
// if the next step is closer than dist, move to it
// then subtract how far was moved from dist and repeat
float mx = x - p->x;
float my = y - p->y;
//printf("m : %f, %f\ndist : %f\n", mx, my, dist);
while (mx * mx + my * my < dist * dist) {
p->x = x;
p->y = y;
dist -= sqrt(mx * mx + my * my);
TCOD_path_walk(path, &x, &y, true);
//printf("next step: %d, %d\n", x, y);
mx = x - p->x;
my = y - p->y;
if (mx == 0.0f && my == 0.0f)
return;
//printf("m : %f, %f\ndist : %f\n", mx, my, dist);
}
float pctm = dist / sqrt(mx * mx + my * my);
p->x += pctm * mx;
p->y += pctm * my;
//printf("dist : %f\n", dist);
//printf("final : %f, %f\n", p->x, p->y);
//printf("\n");
}
void TCODPath::getOrigin(int *x,int *y) const {
TCOD_path_get_origin(data,x,y);
}
