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1 /* Replay functionality for LOCKJAW, an implementation of the Soviet Mind Game
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2
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3 Copyright (C) 2006 Damian Yerrick <tepples+lj@spamcop.net>
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4
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5 This work is free software; you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 2 of the License, or
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8 (at your option) any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program; if not, write to the Free Software
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Original game concept and design by Alexey Pajitnov.
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20 The Software is not sponsored or endorsed by Alexey Pajitnov, Elorg,
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21 or The Tetris Company LLC.
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22
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23 */
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24 #ifndef LJREPLAY_H
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25 #define LJREPLAY_H
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26
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27 #include "lj.h"
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28 #include "ljcontrol.h"
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29
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30 #define LJREPLAY_EOF (-1)
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31
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32 typedef struct LJReplay LJReplay;
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33
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34 /**
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35 * Creates a new replay.
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36 * @param filename The name of the file to which the replay is recorded.
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37 * @param p The field that is observed.
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38 * @return A pointer to the replay object,
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39 * or NULL if allocation failed.
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40 */
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41 LJReplay *newReplay(const char *filename, LJField *p);
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42
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43 /**
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44 * Records a single frame of input in the replay.
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45 * If spawn or hold sound is played, records the new piece.
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46 * @param r The replay object.
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47 */
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48 void replayRecord(LJReplay *r, LJBits keys, const LJInput *in);
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49
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50 /**
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51 * Stops recording the replay and dumps it to the file.
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52 */
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53 void replayClose(LJReplay *r);
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54
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55 /**
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56 * Opens an existing replay.
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57 * @param filename The name of the file to which the replay is recorded.
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58 * @param p The field that is observed.
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59 * @return A pointer to the replay object,
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60 * or NULL if allocation failed.
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61 */
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62 LJReplay *openReplay(const char *filename, LJField *p);
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63
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64 /**
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65 * @param d The structure to be filled with input
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66 * @return The keys pressed, or REPLAY_EOF.
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67 */
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68 int getReplayFrame(LJReplay *r, LJInput *d);
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69
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70 #endif
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