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
  13 #include <stdexcept>
  14
  15 using geometry::Vector;
  16
  17 namespace map {
  18
  19 Area::Area()
  20 : tiles(0)
  21 , numTiles(0)
  22 , width(0) {
  23
  24 }
  25
  26
  27 const Tile &Area::TileAt(const geometry::Vector<int> &offset) const {
  28         int tileIndex(offset.Y() * width + offset.X());
  29         if (tileIndex < numTiles) {
  30                 return tiles[tileIndex];
  31         } else {
  32                 throw std::out_of_range("tile index out of range");
  33         }
  34 }
  35
  36
  37 void Area::Render(SDL_Surface *dest, const graphics::Sprite *tileset, const Vector<int> &inOffset) const {
  38         for (int i(0); i < numTiles; ++i) {
  39                 Vector<int> offset(
  40                                 inOffset.X() + (i % width) * tileset->Width(),
  41                                 inOffset.Y() + (i / width) * tileset->Height());
  42                 const Tile &tile(tiles[i]);
  43                 tileset->Draw(dest, offset, tile.Offset().X(), tile.Offset().Y());
  44         }
  45 }
  46
  47 void Area::RenderDebug(SDL_Surface *dest, const graphics::Sprite *tileset, const Vector<int> &inOffset) const {
  48         for (int i(0); i < numTiles; ++i) {
  49                 Vector<int> offset(
  50                                 inOffset.X() + (i % width) * tileset->Width(),
  51                                 inOffset.Y() + (i / width) * tileset->Height());
  52                 const Tile &tile(tiles[i]);
  53
  54                 if (tile.BlocksNorth()) {
  55                         SDL_Rect destRect;
  56                         destRect.x = offset.X();
  57                         destRect.y = offset.Y();
  58                         destRect.w = tileset->Width();
  59                         destRect.h = 1;
  60                         SDL_FillRect(dest, &destRect, SDL_MapRGB(dest->format, 0xFF, 0x00, 0x00));
  61                 }
  62
  63                 if (tile.BlocksEast()) {
  64                         SDL_Rect destRect;
  65                         destRect.x = offset.X() + tileset->Width() - 1;
  66                         destRect.y = offset.Y();
  67                         destRect.w = 1;
  68                         destRect.h = tileset->Height();
  69                         SDL_FillRect(dest, &destRect, SDL_MapRGB(dest->format, 0xFF, 0x00, 0x00));
  70                 }
  71
  72                 if (tile.BlocksSouth()) {
  73                         SDL_Rect destRect;
  74                         destRect.x = offset.X();
  75                         destRect.y = offset.Y() + tileset->Height() - 1;
  76                         destRect.w = tileset->Width();
  77                         destRect.h = 1;
  78                         SDL_FillRect(dest, &destRect, SDL_MapRGB(dest->format, 0xFF, 0x00, 0x00));
  79                 }
  80
  81                 if (tile.BlocksWest()) {
  82                         SDL_Rect destRect;
  83                         destRect.x = offset.X();
  84                         destRect.y = offset.Y();
  85                         destRect.w = 1;
  86                         destRect.h = tileset->Height();
  87                         SDL_FillRect(dest, &destRect, SDL_MapRGB(dest->format, 0xFF, 0x00, 0x00));
  88                 }
  89         }
  90 }
  91
  92 }