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annotate mde/scheduler/init2.d @ 36:57d000574d75

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Enabled drawing on demand, and made the polling interval configurable. Renamed mde.global to mde.imde. Enabled drawing on demand. Allowed options to take double values. Made the main loop's polling interval (sleep duration) settable from config files. committer: Diggory Hardy <diggory.hardy@gmail.com>
author Diggory Hardy <diggory.hardy@gmail.com>
date Fri, 02 May 2008 17:38:43 +0100
parents 6b4116e6355c
children 5132301e9ed7
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1 /* LICENSE BLOCK
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2 Part of mde: a Modular D game-oriented Engine
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3 Copyright © 2007-2008 Diggory Hardy
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4
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5 This program is free software: you can redistribute it and/or modify it under the terms
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6 of the GNU General Public License as published by the Free Software Foundation, either
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7 version 2 of the License, or (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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10 without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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11 See the GNU General Public License for more details.
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12
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13 You should have received a copy of the GNU General Public License
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14 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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15
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16 /** This module is the start of implementing the following:
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17 *
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18 * Idea: change import direction so this module adds all init functions. All init functions are
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19 * wrapped in another function before being run in a thread (i.e. run indirectly). Functions fail
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20 * either by throwing an exception or by returning a boolean. Functions may take parameters, e.g.
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21 * "out cleanupFunc[]".
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22 *
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23 * This should make it much easier to tell what actually happens during init and to order init such
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24 * that dependencies are honoured.
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25 *
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26 * Currently some external modules depend on InitFunctions, while some are set up from here. Once
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27 * all are set up from here, the Init* modules can be rearranged. */
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28 module mde.scheduler.init2;
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29
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30 import mde.scheduler.initFunctions;
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32 import tango.util.log.Log : Log, Logger;
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33
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34 // Modules requiring init code running:
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35 import imde = mde.imde;
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36 import mde.gui.Gui;
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37 import mde.input.Input;
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38 import ft = mde.ft.init;
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39
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40 // NOTE: error reporting needs a revision
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41
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42 private Logger logger;
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43 static this () {
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44 logger = Log.getLogger ("mde.scheduler.Init2");
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45
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46 init.addFunc (&initInput, "initInput");
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47 init.addFunc (&guiLoad, "guiLoad");
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48 init.addFunc (&initFreeType, "initFreeType");
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49 }
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50
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51 void guiLoad () { // init func
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52 try {
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53 gui.load ("gui");
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54 } catch (Exception e) {
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55 logger.fatal ("guiLoad failed: " ~ e.msg);
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56 setInitFailure;
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57 }
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58 }
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59
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60 void initInput () { // init func
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61 try {
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62 imde.input.loadConfig (); // (may also create instance)
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63
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64 // Quit on escape. NOTE: quit via SDL_QUIT event is handled completely independently!
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65 imde.input.addButtonCallback (cast(Input.inputID) 0x0u, delegate void(Input.inputID i, bool b) {
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66 if (b) {
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67 logger.info ("Quiting...");
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68 imde.run = false;
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69 }
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70 } );
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71 } catch (Exception e) {
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72 logger.fatal ("initInput failed: " ~ e.msg);
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73 setInitFailure;
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74 }
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75 }
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76
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77 void initFreeType () { // init func
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78 try {
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79 ft.initFreeType;
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80 } catch (Exception e) {
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81 logger.fatal ("initFreeType failed: " ~ e.msg);
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82 setInitFailure;
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83 }
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84 }
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85
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86 /+ Potential wrapper function:
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87 // Template to call function, catching exceptions:
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88 void wrap(alias Func) () {
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89 try {
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90 Func();
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91 } catch (Exception e) {
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92 logger.fatal (FAIL_MSG);
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93 logger.fatal (e.msg);
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94 setInitFailure;
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95 }
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96 }
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97 private const FAIL_MSG = "Unexpected exception caught:";
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98 +/