src/game/wsquare.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 /* Compiled through wmapset.cpp */
  13
  14
  15 wsquare::wsquare (worldmap *WorldMapUnder, v2 Pos) :
  16   square(WorldMapUnder, Pos), GWTerrain(0), OWTerrain(0)
  17 {
  18 }
  19
  20
  21 wsquare::~wsquare () {
  22   delete GWTerrain;
  23   delete OWTerrain;
  24 }
  25
  26
  27 void wsquare::Save (outputfile &SaveFile) const {
  28   square::Save(SaveFile);
  29   SaveFile << GWTerrain << OWTerrain;
  30   SaveFile.Put(!!LastSeen);
  31 }
  32
  33
  34 void wsquare::Load (inputfile &SaveFile) {
  35   square::Load(SaveFile);
  36   SaveFile >> GWTerrain >> OWTerrain;
  37   LastSeen = SaveFile.Get();
  38   CalculateLuminance();
  39 }
  40
  41
  42 void wsquare::Draw (blitdata &BlitData) {
  43   if (Flags & NEW_DRAW_REQUEST || AnimatedEntities) {
  44     BlitData.Luminance = ivanconfig::ApplyContrastTo(Luminance);
  45     GWTerrain->Draw(BlitData);
  46     if (OWTerrain) OWTerrain->Draw(BlitData);
  47     if (Character && Character->CanBeSeenByPlayer()) {
  48       BlitData.Luminance = ivanconfig::GetContrastLuminance();
  49       BlitData.CustomData = Character->GetSquareIndex(Pos)|ALLOW_ANIMATE|ALLOW_ALPHA;
  50       Character->Draw(BlitData);
  51     }
  52     Flags &= ~STRONG_NEW_DRAW_REQUEST;
  53   }
  54 }
  55
  56
  57 void wsquare::ChangeWTerrain (gwterrain *NewGround, owterrain *NewOver) {
  58   ChangeGWTerrain(NewGround);
  59   ChangeOWTerrain(NewOver);
  60 }
  61
  62
  63 void wsquare::ChangeGWTerrain (gwterrain *NewGround) {
  64   if (GWTerrain->IsAnimated()) DecStaticAnimatedEntities();
  65   delete GWTerrain;
  66   SetGWTerrain(NewGround);
  67   Flags |= DESCRIPTION_CHANGE|NEW_DRAW_REQUEST;
  68 }
  69
  70
  71 void wsquare::ChangeOWTerrain (owterrain *NewOver) {
  72   if (OWTerrain && OWTerrain->IsAnimated()) DecStaticAnimatedEntities();
  73   delete OWTerrain;
  74   SetOWTerrain(NewOver);
  75   Flags |= DESCRIPTION_CHANGE|NEW_DRAW_REQUEST;
  76 }
  77
  78
  79 void wsquare::SetWTerrain (gwterrain *NewGround, owterrain *NewOver) {
  80   SetGWTerrain(NewGround);
  81   SetOWTerrain(NewOver);
  82 }
  83
  84
  85 void wsquare::SetGWTerrain (gwterrain *What) {
  86   GWTerrain = What;
  87   if (What) {
  88     What->SetWSquareUnder(this);
  89     if (What->IsAnimated()) IncStaticAnimatedEntities();
  90   }
  91 }
  92
  93
  94 void wsquare::SetOWTerrain (owterrain *What) {
  95   OWTerrain = What;
  96   if (What) {
  97     What->SetWSquareUnder(this);
  98     if (What->IsAnimated()) IncStaticAnimatedEntities();
  99   }
 100 }
 101
 102
 103 void wsquare::UpdateMemorizedDescription (truth Cheat) {
 104   if (Flags & DESCRIPTION_CHANGE || Cheat) {
 105     MemorizedDescription.Empty();
 106     if (OWTerrain) {
 107       OWTerrain->AddName(MemorizedDescription, INDEFINITE);
 108       MemorizedDescription << " surrounded by ";
 109       GWTerrain->AddName(MemorizedDescription, UNARTICLED);
 110     } else {
 111       GWTerrain->AddName(MemorizedDescription, UNARTICLED);
 112     }
 113     if (Cheat) {
 114       festring Continent;
 115       if (GetWorldMap()->GetContinentUnder(Pos)) Continent << ", continent " << GetWorldMap()->GetContinentUnder(Pos)->GetName();
 116       MemorizedDescription << " (pos " << Pos.X << ':' << Pos.Y
 117          << Continent << ", height "
 118          << GetWorldMap()->GetAltitude(Pos) << " m)";
 119     }
 120     Flags &= ~DESCRIPTION_CHANGE;
 121   }
 122 }
 123
 124
 125 gterrain *wsquare::GetGTerrain () const {
 126   return GWTerrain;
 127 }
 128
 129
 130 oterrain *wsquare::GetOTerrain() const {
 131   return OWTerrain;
 132 }
 133
 134
 135 truth wsquare::SignalSeen () {
 136   UpdateMemorizedDescription();
 137   LastSeen = 1;
 138   return true;
 139 }
 140
 141
 142 void wsquare::CalculateLuminance () {
 143   double T = log(1.0 + fabs(GetWorldMap()->GetAltitude(Pos)) / 500.);
 144   int Element = Min((128 - int(37.5 * T)), 255);
 145   Luminance = MakeRGB24(Element, Element, Element);
 146 }
 147
 148
 149 int wsquare::GetWalkability () const {
 150   return (OWTerrain ? OWTerrain->GetWalkability() & GWTerrain->GetWalkability() : GWTerrain->GetWalkability());
 151 }
 152
 153
 154 truth wsquare::CanBeSeenByPlayer (truth) const {
 155   return LastSeen;
 156 }
 157
 158
 159 truth wsquare::CanBeSeenFrom (v2 FromPos, sLong MaxDistance, truth) const {
 160   return (Pos-FromPos).GetLengthSquare() <= MaxDistance;
 161 }