src/game/smoke.cpp

   1 /*
   2  *
   3  *  Iter Vehemens ad Necem (IVAN)
   4  *  Copyright (C) Timo Kiviluoto
   5  *  Released under the GNU General
   6  *  Public License
   7  *
   8  *  See LICENSING which should be included
   9  *  along with this file for more details
  10  *
  11  */
  12
  13 /* Compiled through materset.cpp */
  14
  15 smoke::smoke() : entity(HAS_BE), Next(0) { }
  16 square* smoke::GetSquareUnderEntity(int) const { return LSquareUnder; }
  17
  18 smoke::smoke(gas* Gas, lsquare* LSquareUnder) : entity(HAS_BE), Next(0), Gas(Gas), LSquareUnder(LSquareUnder), Alpha(Gas->GetAlpha())
  19 {
  20   Gas->SetMotherEntity(this);
  21   Picture.resize(16);
  22   packcol16 Color = Gas->GetColor();
  23   bitmap Temp(TILE_V2, TRANSPARENT_COLOR);
  24   Temp.ActivateFastFlag();
  25   int Frame[16];
  26   int Flags[16];
  27
  28   for(int c = 0; c < 16; ++c)
  29   {
  30     Picture[c] = new bitmap(TILE_V2, TRANSPARENT_COLOR);
  31     Picture[c]->ActivateFastFlag();
  32     Picture[c]->CreateAlphaMap(Alpha);
  33     truth Correct = false;
  34
  35     while(!Correct)
  36     {
  37       Frame[c] = RAND() & 3;
  38       Flags[c] = RAND() & 7;
  39       Correct = true;
  40
  41       for(int i = 0; i < c; ++i)
  42   if(Frame[c] == Frame[i] && Flags[c] == Flags[i])
  43   {
  44     Correct = false;
  45     break;
  46   }
  47     }
  48
  49     igraph::GetRawGraphic(GR_EFFECT)->MaskedBlit(&Temp, v2(Frame[c] << 4, 32), ZERO_V2, TILE_V2, &Color);
  50     Temp.NormalBlit(Picture[c], Flags[c]);
  51   }
  52
  53   LSquareUnder->SignalSmokeAlphaChange(Alpha);
  54 }
  55
  56 smoke::~smoke()
  57 {
  58   for(uInt c = 0; c < Picture.size(); ++c)
  59     delete Picture[c];
  60
  61   delete Gas;
  62 }
  63
  64 void smoke::Be()
  65 {
  66   if(!(RAND() & 7))
  67   {
  68     LSquareUnder->SendNewDrawRequest();
  69     LSquareUnder->SignalSmokeAlphaChange(-1);
  70
  71     if(!--Alpha)
  72     {
  73       LSquareUnder->RemoveSmoke(this);
  74       SendToHell();
  75       return;
  76     }
  77
  78     for(int c = 0; c < 16; ++c)
  79       Picture[c]->FillAlpha(Alpha);
  80
  81     Gas->SetVolume(Gas->GetVolume() - Gas->GetVolume() / 50);
  82   }
  83
  84   character* Char = LSquareUnder->GetCharacter();
  85
  86   if(Char && !Char->StateIsActivated(GAS_IMMUNITY))
  87     Gas->BreatheEffect(Char);
  88 }
  89
  90 void smoke::Draw(blitdata& BlitData) const
  91 {
  92   Picture[(GET_TICK() >> 1) & 3]->AlphaLuminanceBlit(BlitData);
  93 }
  94
  95 void smoke::Save(outputfile& SaveFile) const
  96 {
  97   SaveFile << Picture << Gas << Alpha;
  98 }
  99
 100 void smoke::Load(inputfile& SaveFile)
 101 {
 102   LSquareUnder = static_cast<lsquare*>(game::GetSquareInLoad());
 103   SaveFile >> Picture >> Gas >> Alpha;
 104   Gas->SetMotherEntity(this);
 105 }
 106
 107 outputfile& operator<<(outputfile& SaveFile, const smoke* Smoke)
 108 {
 109   Smoke->Save(SaveFile);
 110   return SaveFile;
 111 }
 112
 113 inputfile& operator>>(inputfile& SaveFile, smoke*& Smoke)
 114 {
 115   Smoke = new smoke;
 116   Smoke->Load(SaveFile);
 117   return SaveFile;
 118 }
 119
 120 void smoke::AddBreatheMessage() const
 121 {
 122   if(Gas->GetBreatheMessage().GetSize())
 123     ADD_MESSAGE("%s", Gas->GetBreatheMessage().CStr());
 124 }
 125
 126 void smoke::Merge(gas* OtherGas)
 127 {
 128   Gas->EditVolume(OtherGas->GetVolume());
 129   LSquareUnder->SignalSmokeAlphaChange(OtherGas->GetAlpha() - Alpha);
 130   Alpha = OtherGas->GetAlpha();
 131
 132   for(int c = 0; c < 16; ++c)
 133     Picture[c]->FillAlpha(Alpha);
 134
 135   delete OtherGas;
 136 }
 137
 138 truth smoke::IsDangerousToBreathe(ccharacter* Who) const
 139 {
 140   return (!Who->StateIsActivated(GAS_IMMUNITY)
 141     && Who->GetAttribute(WISDOM) >= Gas->GetStepInWisdomLimit());
 142 }
 143
 144 truth smoke::IsScaryToBreathe(ccharacter* Who) const
 145 {
 146   return (!Who->StateIsActivated(GAS_IMMUNITY)
 147     && Gas->GetCategoryFlags() & IS_SCARY);
 148 }