79 lines
2.9 KiB
Plaintext
79 lines
2.9 KiB
Plaintext
// Filename: tokenBoard.I
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// Created by: mike (09Jan97)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////
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// Function: TokenBoard::is_done_token()
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// Access: Public
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// Description: Returns true if the indicated token id is on the
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// done queue, false otherwise.
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////////////////////////////////////////////////////////////////////
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template<class TokenType>
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bool TokenBoard<TokenType>::
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is_done_token(int id) {
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// First, empty the done list, copying them to really_done. We have
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// to do this since we can only examine tokens on the head of the
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// done list, and the token we're looking for might not be at the
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// head.
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while (!_done.empty()) {
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_really_done.push_back(_done.front());
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_done.pop_front();
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}
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// Now we can search really_done for our desired id.
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TYPENAME plist< PT(TokenType) >::iterator found;
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found = find_if(_really_done.begin(), _really_done.end(),
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TokenMatch<TokenType>(id));
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return (found != _really_done.end());
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}
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////////////////////////////////////////////////////////////////////
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// Function: TokenBoard::get_done_token
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// Access: Public
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// Description: Locates the token by the given id in the list of done
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// tokens, removes it from the list, and returns its
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// pointer (which should be deleted by the calling
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// function). Returns NULL if the token was not on the
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// done list.
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////////////////////////////////////////////////////////////////////
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template<class TokenType>
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PT(TokenType) TokenBoard<TokenType>::
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get_done_token(int id) {
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// First, empty the done list, copying them to really_done. We have
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// to do this since we can only examine tokens on the head of the
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// done list, and the token we're looking for might not be at the
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// head.
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while (!_done.empty()) {
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_really_done.push_back(_done.front());
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_done.pop_front();
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}
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// Now we can search really_done for our desired id.
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TYPENAME plist< PT(TokenType) >::iterator found;
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found = find_if(_really_done.begin(), _really_done.end(),
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TokenMatch<TokenType>(id));
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if (found == _really_done.end()) {
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return NULL;
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} else {
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PT(TokenType) tok = *found;
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_really_done.erase(found);
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return tok;
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}
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}
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