src/map/Area.cpp

   1 /*
   2  * Area.cpp
   3  *
   4  *  Created on: Sep 26, 2012
   5  *      Author: holy
   6  */
   7
   8 #include "Area.h"
   9
  10 #include "Tile.h"
  11 #include "../graphics/Sprite.h"
  12 #include "../loader/TypeDescription.h"
  13 #include "../loader/Interpreter.h"
  14 #include "../sdl/utility.h"
  15
  16 #include <stdexcept>
  17
  18 using geometry::Vector;
  19 using loader::FieldDescription;
  20 using loader::Interpreter;
  21 using loader::TypeDescription;
  22
  23 namespace map {
  24
  25 Area::Area()
  26 : battlebg(0)
  27 , tiles(0)
  28 , numTiles(0)
  29 , width(0) {
  30
  31 }
  32
  33
  34 Tile *Area::TileAt(const geometry::Vector<int> &offset) {
  35         int tileIndex(offset.Y() * width + offset.X());
  36         if (tileIndex < numTiles) {
  37                 return tiles +tileIndex;
  38         } else {
  39                 return 0;
  40         }
  41 }
  42
  43 const Tile *Area::TileAt(const geometry::Vector<int> &offset) const {
  44         int tileIndex(offset.Y() * width + offset.X());
  45         if (tileIndex < numTiles) {
  46                 return tiles +tileIndex;
  47         } else {
  48                 return 0;
  49         }
  50 }
  51
  52
  53 void Area::Render(SDL_Surface *dest, const graphics::Sprite *tileset, const Vector<int> &inOffset) const {
  54         for (int i(0); i < numTiles; ++i) {
  55                 Vector<int> offset(
  56                                 inOffset.X() + (i % width) * tileset->Width(),
  57                                 inOffset.Y() + (i / width) * tileset->Height());
  58                 const Tile &tile(tiles[i]);
  59                 tileset->Draw(dest, offset, tile.Offset().X(), tile.Offset().Y());
  60         }
  61 }
  62
  63 void Area::RenderDebug(SDL_Surface *dest, const graphics::Sprite *tileset, const Vector<int> &inOffset) const {
  64         SDL_Rect destRect;
  65         destRect.x = inOffset.X();
  66         destRect.y = inOffset.Y();
  67         destRect.w = Width() * tileset->Width();
  68         destRect.h = Height() * tileset->Height();
  69         sdl::OutlineRect(dest, &destRect, SDL_MapRGB(dest->format, 0x00, 0x00, 0xFF));
  70
  71         Uint32 color(SDL_MapRGB(dest->format, 0xFF, 0x00, 0x00));
  72
  73         for (int i(0); i < numTiles; ++i) {
  74                 Vector<int> offset(
  75                                 inOffset.X() + (i % width) * tileset->Width(),
  76                                 inOffset.Y() + (i / width) * tileset->Height());
  77                 const Tile &tile(tiles[i]);
  78
  79                 if (tile.BlocksNorth()) {
  80                         sdl::HorizontalLine(dest, offset, tileset->Width(), color);
  81                 }
  82                 if (tile.BlocksEast()) {
  83                         sdl::VerticalLine(dest, Vector<int>(offset.X() + tileset->Width() - 1, offset.Y()), tileset->Height(), color);
  84                 }
  85                 if (tile.BlocksSouth()) {
  86                         sdl::HorizontalLine(dest, Vector<int>(offset.X(), offset.Y() + tileset->Height() - 1), tileset->Width(), color);
  87                 }
  88                 if (tile.BlocksWest()) {
  89                         sdl::VerticalLine(dest, offset, tileset->Height(), color);
  90                 }
  91         }
  92 }
  93
  94
  95 void Area::CreateTypeDescription() {
  96         Area a;
  97
  98         TypeDescription &td(TypeDescription::Create(TYPE_ID, "Area"));
  99         td.SetConstructor(&Construct);
 100         td.SetSize(sizeof(Area));
 101
 102         td.AddField("battlebg", FieldDescription(((char *)&a.battlebg) - ((char *)&a), Interpreter::IMAGE_ID).SetReferenced());
 103         td.AddField("tiles", FieldDescription(((char *)&a.tiles) - ((char *)&a), Tile::TYPE_ID).SetReferenced().SetAggregate());
 104         td.AddField("width", FieldDescription(((char *)&a.width) - ((char *)&a), Interpreter::NUMBER_ID));
 105 }
 106
 107 void Area::Construct(void *data) {
 108         new (data) Area;
 109 }
 110
 111 }