At multiple requests, change ice to be turn based. This is a more modest adjustment of existing code, that can be fairly easily flagged or reverted if desired. It also allows scripts to extend freezing, and preserves fire melting.
#ifndef HEDGEWARS_PACKAGES_MOUNTER_H
#define HEDGEWARS_PACKAGES_MOUNTER_H
#include "physfs.h"
#ifdef __cplusplus
extern "C" {
#endif
PHYSFS_DECL void hedgewarsMountPackages();
#ifdef __cplusplus
}
#endif
#endif