From bf44088d4373a9520e860152c56a958332819c4b Mon Sep 17 00:00:00 2001
From: Sebastiano Tronto <sebastiano@tronto.net>
Date: Mon, 1 May 2023 16:33:51 +0200
Subject: Split nissy in other repos, see README.md

---
 src/movesets.c | 194 ---------------------------------------------------------
 1 file changed, 194 deletions(-)
 delete mode 100644 src/movesets.c

(limited to 'src/movesets.c')

diff --git a/src/movesets.c b/src/movesets.c
deleted file mode 100644
index d8f5bc1..0000000
--- a/src/movesets.c
+++ /dev/null
@@ -1,194 +0,0 @@
-#define MOVESETS_C
-
-#include "movesets.h"
-
-static bool allowed_HTM(Move m);
-static bool allowed_URF(Move m);
-static bool allowed_eofb(Move m);
-static bool allowed_drud(Move m);
-static bool allowed_htr(Move m);
-static bool can_append_HTM(Move l2, Move l1, Move m);
-static bool can_append_HTM_cached(Alg *alg, Move m, bool inverse);
-static bool cancel_niss_HTM_cached(Alg *alg);
-static void init_can_append_HTM();
-
-Moveset
-moveset_HTM = {
-	.name        = "HTM",
-	.allowed     = allowed_HTM,
-	.can_append  = can_append_HTM_cached,
-	.cancel_niss = cancel_niss_HTM_cached,
-};
-
-Moveset
-moveset_URF = {
-	.name        = "URF",
-	.allowed     = allowed_URF,
-	.can_append  = can_append_HTM_cached,
-	.cancel_niss = cancel_niss_HTM_cached,
-};
-
-Moveset
-moveset_eofb = {
-	.name        = "eofb",
-	.allowed     = allowed_eofb,
-	.can_append  = can_append_HTM_cached,
-	.cancel_niss = cancel_niss_HTM_cached,
-};
-
-Moveset
-moveset_drud = {
-	.name        = "drud",
-	.allowed     = allowed_drud,
-	.can_append  = can_append_HTM_cached,
-	.cancel_niss = cancel_niss_HTM_cached,
-};
-
-Moveset
-moveset_htr = {
-	.name        = "htr",
-	.allowed     = allowed_htr,
-	.can_append  = can_append_HTM_cached,
-	.cancel_niss = cancel_niss_HTM_cached,
-};
-
-Moveset *
-all_movesets[] = {
-	&moveset_HTM,
-	&moveset_URF,
-	&moveset_eofb,
-	&moveset_drud,
-	&moveset_htr,
-	NULL
-};
-
-static uint64_t can_append_HTM_mask[NMOVES][NMOVES];
-
-static bool
-allowed_HTM(Move m)
-{
-	return m >= U && m <= B3;
-}
-
-static bool
-allowed_URF(Move m)
-{
-	Move b = base_move(m);
-
-	return b == U || b == R || b == F;
-}
-
-static bool
-allowed_eofb(Move m)
-{
-	Move b = base_move(m);
-
-	return b == U || b == D || b == R || b == L ||
-	       ((b == F || b == B) && m == b+1);
-}
-
-static bool
-allowed_drud(Move m)
-{
-	Move b = base_move(m);
-
-	return b == U || b == D ||
-	       ((b == R || b == L || b == F || b == B) && m == b + 1);
-}
-
-static bool
-allowed_htr(Move m)
-{
-	Move b = base_move(m);
-
-	return moveset_HTM.allowed(m) && m == b + 1;
-}
-
-static bool
-can_append_HTM(Move l2, Move l1, Move m)
-{
-	bool cancel, cancel_last, cancel_swap;
-
-	cancel_last = l1 != NULLMOVE && base_move(l1) == base_move(m);
-	cancel_swap = l2 != NULLMOVE && base_move(l2) == base_move(m);
-	cancel = cancel_last || (commute(l1, l2) && cancel_swap);
-
-	return !cancel;
-}
-
-static bool
-can_append_HTM_cached(Alg *alg, Move m, bool inverse)
-{
-	Move *moves, l1, l2;
-	uint64_t mbit;
-	int n;
-
-	if (inverse) {
-		moves = alg->move_inverse;
-		n = alg->len_inverse;
-	} else {
-		moves = alg->move_normal;
-		n = alg->len_normal;
-	}
-
-	l1 = n > 0 ? moves[n-1] : NULLMOVE;
-	l2 = n > 1 ? moves[n-2] : NULLMOVE;
-
-	mbit = ((uint64_t)1) << m;
-
-	return can_append_HTM_mask[l2][l1] & mbit;
-}
-
-static bool
-cancel_niss_HTM_cached(Alg *alg)
-{
-	Move i1, i2;
-	int n;
-	bool can_first, can_swap;
-
-	n = alg->len_inverse;
-	i1 = n > 0 ? alg->move_inverse[n-1] : NULLMOVE;
-	i2 = n > 1 ? alg->move_inverse[n-2] : NULLMOVE;
-
-	can_first = can_append_HTM_cached(alg, inverse_move(i1), false);
-	can_swap  = can_append_HTM_cached(alg, inverse_move(i2), false);
-
-	return can_first && (!commute(i1, i2) || can_swap);
-}
-
-static void
-init_can_append_HTM()
-{
-	Move l2, l1, m;
-
-	for (l1 = 0; l1 < NMOVES; l1++)
-		for (l2 = 0; l2 < NMOVES; l2++)
-			for (m = 0; m < NMOVES; m++)
-				if (can_append_HTM(l2, l1, m))
-					can_append_HTM_mask[l2][l1]
-					    |= (((uint64_t)1) << m);
-}
-
-void
-init_moveset(Moveset *ms)
-{
-	int j;
-	Move m;
-
-	for (j = 0, m = U; m < NMOVES; m++)
-		if (ms->allowed(m))
-			ms->sorted_moves[j++] = m;
-	ms->sorted_moves[j] = NULLMOVE;
-
-/* TODO: should be here? maybe just init all movesets together anyway... */
-	init_can_append_HTM();
-}
-
-void
-init_movesets()
-{
-	int i;
-
-	for (i = 0; all_movesets[i] != NULL; i++)
-		init_moveset(all_movesets[i]);
-}
-- 
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