#include "types.h"

struct snapshot;

/* A game world */
struct context {
	size_t snapshots_len;
	struct snapshot *snapshots;
};

struct context *dp_physics_context_create(size_t snapshots);
void dp_physics_context_free(struct context *);

struct snapshot *dp_physics_context_get_snapshot(struct context *);
void dp_physics_context_return_snapshot(struct context *, struct snapshot *);

int dp_physics_tick(const struct snapshot *current, double delta, struct snapshot *next);