/* Wrap the slices representing the initial moves of the solution with
* slices of appropriately equipped slice types
* @param adapter identifies the adapter slice at the beginning of the branch
* @param state address of structure holding state
*/
void battle_make_root(slice_index adapter, spin_off_state_type *state)
{
TraceFunctionEntry(__func__);
TraceFunctionParam("%u",adapter);
TraceFunctionParamListEnd();
battle_branch_make_root_slices(adapter,state);
branch_shorten_slices(adapter,STEndOfRoot,stip_traversal_context_intro);
pipe_remove(adapter);
TraceFunctionExit(__func__);
TraceFunctionParamListEnd();
}
/* Wrap the slices representing the initial moves of the solution with
* slices of appropriately equipped slice types
* @param adapter identifies the adapter slice at the beginning of the branch
* @param state address of structure holding state
*/
void help_make_root(slice_index adapter, spin_off_state_type *state)
{
TraceFunctionEntry(__func__);
TraceFunctionParam("%u",adapter);
TraceFunctionParamListEnd();
assert(SLICE_TYPE(adapter)==STHelpAdapter);
{
slice_index const prototype = alloc_pipe(STEndOfRoot);
slice_insertion_insert(adapter,&prototype,1);
help_branch_make_root_slices(adapter,state);
branch_shorten_slices(adapter,STEndOfRoot,stip_traversal_context_intro);
pipe_remove(adapter);
}
TraceFunctionExit(__func__);
TraceFunctionResultEnd();
}
/* Shorten a help branch by 1 half move
* @param identifies entry slice of branch to be shortened
*/
void help_branch_shorten(slice_index adapter)
{
slice_index const next = SLICE_NEXT1(adapter);
TraceFunctionEntry(__func__);
TraceFunctionParam("%u",adapter);
TraceFunctionParamListEnd();
assert(SLICE_TYPE(adapter)==STHelpAdapter);
{
/* find the new spot for adapter by inserting a copy */
slice_index const prototype = copy_slice(adapter);
help_branch_insert_slices(next,&prototype,1);
}
{
/* move adapter to its new spot */
slice_index const copy = branch_find_slice(STHelpAdapter,
next,
stip_traversal_context_help);
assert(copy!=no_slice);
pipe_link(SLICE_PREV(adapter),next);
pipe_append(copy,adapter);
pipe_remove(copy);
}
/* adjust the length and min_length members */
--SLICE_U(adapter).branch.length;
if (SLICE_U(adapter).branch.min_length<=0)
increase_min_length(adapter);
--SLICE_U(adapter).branch.min_length;
branch_shorten_slices(next,STHelpAdapter,stip_traversal_context_help);
TraceFunctionExit(__func__);
TraceFunctionResultEnd();
}
/* Make the postkey play representation of a non-postkey play representation
* @param adapter identifies adapter slice into battle branch
* @return identifier to adapter slice into postkey representation
*/
slice_index battle_branch_make_postkeyplay(slice_index adapter)
{
slice_index result;
TraceFunctionEntry(__func__);
TraceFunctionParam("%u",adapter);
TraceFunctionParamListEnd();
TraceStipulation(adapter);
assert(SLICE_TYPE(adapter)==STAttackAdapter);
{
slice_index const notend = branch_find_slice(STNotEndOfBranchGoal,
adapter,
stip_traversal_context_intro);
stip_length_type const length = SLICE_U(adapter).branch.length;
stip_length_type const min_length = SLICE_U(adapter).branch.min_length;
slice_index const proto = alloc_defense_adapter_slice(length-1,
min_length-1);
assert(notend!=no_slice);
defense_branch_insert_slices(notend,&proto,1);
result = branch_find_slice(STDefenseAdapter,
notend,
stip_traversal_context_defense);
assert(result!=no_slice);
branch_shorten_slices(adapter,STDefenseAdapter,stip_traversal_context_intro);
pipe_remove(adapter);
}
TraceFunctionExit(__func__);
TraceFunctionParam("%u",result);
TraceFunctionParamListEnd();
return result;
}