MapObject.cpp

   1 #include "MapObject.h"
   2 #include "Map.h"
   3 #include "Game.h"
   4
   5
   6 namespace botor
   7 {
   8         void MapObject::StartMovement()
   9         {
  10                 Sint16 sx,sy;
  11                 Map::transformM2S( mapX, mapY, sx, sy );
  12                 movementX = (float)sx;
  13                 movementY = (float)sy;
  14
  15                 if( isWalkable( mapX+vX, mapY+vY ) )
  16                 {
  17                         mapX +=vX;
  18                         mapY +=vY;
  19                         if( isBitSet( Game::getMap()->tileAt( mapX, mapY )->typeMask, Tile::TILE_SLOW ) )
  20                                 speed = SPEED() * 0.5f;
  21                         else
  22                                 speed = SPEED();
  23
  24                         moving = true;
  25                 }
  26         }
  27
  28         bool MapObject::isWalkable( Uint8 X, Uint8 Y )
  29         {
  30                 Tile *t = Game::getMap()->tileAt(X, Y);
  31
  32                 if( isBitSet( t->typeMask, Tile::TILE_WALKABLE ) )
  33                 {
  34                         return true;
  35                 }
  36                 else
  37                         return false;
  38         }
  39
  40         MapObject::MapObject( Uint8 X, Uint8 Y ) :
  41                 mapX(0), mapY(0), vX(0), vY(0), movementX(0), movementY(0), speed(0), walking(false), moving(false), tile(0)
  42         {
  43                 Teleport(X, Y);
  44         }
  45
  46         MapObject::~MapObject() {}
  47
  48         void MapObject::UpdatePosition()
  49         {
  50                 Sint16 sx,sy;
  51                 Map::transformM2S( mapX, mapY, sx, sy );
  52                 if( dst( movementX, movementY, (float)sx, (float)sy ) < 0.5 )
  53                 {
  54                         if( walking )
  55                                 StartMovement();
  56                         else
  57                                 moving = false;
  58
  59                         OnTile( Game::getMap()->tileAt( mapX, mapY ) );
  60                 }
  61                 else
  62                 {
  63                         float dirX, dirY;
  64
  65                         dirX = sign( sx - movementX ) * speed;
  66                         dirY = sign( sy - movementY ) * speed;
  67
  68                         movementX += dirX;
  69                         movementY += dirY;
  70
  71                 }
  72         }
  73
  74         void MapObject::Initialize() {}
  75         void MapObject::DeInitialize() {}
  76
  77         void MapObject::Update()
  78         {
  79                 if( moving )
  80                 {
  81                         UpdatePosition();
  82                 }
  83         }
  84
  85         void MapObject::Draw()
  86         {
  87                 if( moving )
  88                 {
  89                         Game::getTileset()->Draw( (Sint16)movementX, (Sint16)movementY, tile );
  90                 }
  91                 else
  92                 {
  93                         Sint16 sx,sy;
  94                         Map::transformM2S( mapX, mapY, sx, sy );
  95                         Game::getTileset()->Draw( sx, sy, tile );
  96                 }
  97         }
  98
  99         void MapObject::OnTile( Tile *t ) {}
 100
 101
 102         void MapObject::Teleport( Uint8 mapX, Uint8 mapY, Uint16 room )
 103         {
 104                 this->mapX = mapX;
 105                 this->mapY = mapY;
 106                 moving = false;
 107         }
 108
 109         Uint8 MapObject::getMapX() { return mapX; }
 110         Uint8 MapObject::getMapY() { return mapY; }
 111 }