src/add-ons/screen_savers/glife/GLifeSaver.cpp

   1 /*
   2  * Copyright 2012, Haiku, Inc.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Aaron Hill <serac@hillvisions.com>
   7  *              Alexander von Gluck <kallisti5@unixzen.com>
   8  */
   9
  10
  11 #include "GLifeSaver.h"
  12
  13 #include <GLView.h>
  14 #include <ScreenSaver.h>
  15 #include <stdio.h>
  16 #include <stdlib.h>
  17 #include <View.h>
  18
  19 #include "GLifeGrid.h"
  20 #include "GLifeState.h"
  21 #include "GLifeConfig.h"
  22 #include "GLifeView.h"
  23
  24
  25 // ------------------------------------------------------
  26 //  GLifeSaver Class Constructor Definition
  27 GLifeSaver::GLifeSaver(BMessage* pbmPrefs, image_id iidImage)
  28         :
  29         BScreenSaver(pbmPrefs, iidImage)
  30 {
  31         // Check for preferences
  32         if (!pbmPrefs->IsEmpty())
  33                 RestoreState(pbmPrefs);
  34
  35         // Seed random number generator
  36         srandom(system_time());
  37 }
  38
  39
  40 // ------------------------------------------------------
  41 //  GLifeSaver Class SaveState Definition
  42 status_t
  43 GLifeSaver::SaveState(BMessage* pbmPrefs) const
  44 {
  45         return fGLifeState.SaveState(pbmPrefs);
  46 }
  47
  48
  49 // ------------------------------------------------------
  50 //  GLifeSaver Class RestoreState Definition
  51 void
  52 GLifeSaver::RestoreState(BMessage* pbmPrefs)
  53 {
  54         fGLifeState.RestoreState(pbmPrefs);
  55 }
  56
  57
  58 // ------------------------------------------------------
  59 //  GLifeSaver Class StartConfig Definition
  60 void
  61 GLifeSaver::StartConfig(BView* pbvView)
  62 {
  63         // Setup the "config" class
  64         GLifeConfig* pglcConfig = new GLifeConfig(pbvView->Bounds(),
  65                 &fGLifeState);
  66
  67         pbvView->AddChild(pglcConfig);
  68 }
  69
  70
  71 // ------------------------------------------------------
  72 //  GLifeSaver Class StartSaver Definition
  73 status_t
  74 GLifeSaver::StartSaver(BView* pbvView, bool bPreview)
  75 {
  76         SetTickSize(c_iTickSize);
  77
  78         fGLifeViewport = new GLifeView(pbvView->Bounds(),
  79                 "GLifeView", B_FOLLOW_NONE, BGL_RGB | BGL_DEPTH | BGL_DOUBLE,
  80                 &fGLifeState);
  81
  82         pbvView->AddChild(fGLifeViewport);
  83
  84         return B_OK;
  85 }
  86
  87
  88 // ------------------------------------------------------
  89 //  GLifeSaver Class StopSaver Definition
  90 void
  91 GLifeSaver::StopSaver(void)
  92 {
  93         if (fGLifeViewport != NULL)
  94                 fGLifeViewport->EnableDirectMode(false);
  95 }
  96
  97
  98 // ------------------------------------------------------
  99 //  GLifeSaver Class DirectConnected Definition
 100 void
 101 GLifeSaver::DirectConnected(direct_buffer_info* pdbiInfo)
 102 {
 103         // Enable or disable direct rendering
 104         if (fGLifeViewport != NULL) {
 105                 fGLifeViewport->DirectConnected(pdbiInfo);
 106                 fGLifeViewport->EnableDirectMode(true);
 107         }
 108 }
 109
 110
 111 // ------------------------------------------------------
 112 //  GLifeSaver Class DirectDraw Definition
 113 void
 114 GLifeSaver::Draw(BView*, int32 iFrame)
 115 {
 116         fGLifeViewport->Advance();
 117 }
 118
 119
 120 // ------------------------------------------------------
 121 //  Main Instantiation Function
 122 extern "C" _EXPORT BScreenSaver*
 123 instantiate_screen_saver(BMessage* pbmPrefs, image_id iidImage)
 124 {
 125         return new GLifeSaver(pbmPrefs, iidImage);
 126 }