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 "../sdl/utility.h"
  13
  14 #include <stdexcept>
  15
  16 using geometry::Vector;
  17
  18 namespace map {
  19
  20 Area::Area()
  21 : tiles(0)
  22 , numTiles(0)
  23 , width(0) {
  24
  25 }
  26
  27
  28 const Tile &Area::TileAt(const geometry::Vector<int> &offset) const {
  29         int tileIndex(offset.Y() * width + offset.X());
  30         if (tileIndex < numTiles) {
  31                 return tiles[tileIndex];
  32         } else {
  33                 throw std::out_of_range("tile index out of range");
  34         }
  35 }
  36
  37
  38 void Area::Render(SDL_Surface *dest, const graphics::Sprite *tileset, const Vector<int> &inOffset) const {
  39         for (int i(0); i < numTiles; ++i) {
  40                 Vector<int> offset(
  41                                 inOffset.X() + (i % width) * tileset->Width(),
  42                                 inOffset.Y() + (i / width) * tileset->Height());
  43                 const Tile &tile(tiles[i]);
  44                 tileset->Draw(dest, offset, tile.Offset().X(), tile.Offset().Y());
  45         }
  46 }
  47
  48 void Area::RenderDebug(SDL_Surface *dest, const graphics::Sprite *tileset, const Vector<int> &inOffset) const {
  49         SDL_Rect destRect;
  50         destRect.x = inOffset.X();
  51         destRect.y = inOffset.Y();
  52         destRect.w = Width() * tileset->Width();
  53         destRect.h = Height() * tileset->Height();
  54         sdl::OutlineRect(dest, &destRect, SDL_MapRGB(dest->format, 0x00, 0x00, 0xFF));
  55
  56         Uint32 color(SDL_MapRGB(dest->format, 0xFF, 0x00, 0x00));
  57
  58         for (int i(0); i < numTiles; ++i) {
  59                 Vector<int> offset(
  60                                 inOffset.X() + (i % width) * tileset->Width(),
  61                                 inOffset.Y() + (i / width) * tileset->Height());
  62                 const Tile &tile(tiles[i]);
  63
  64                 if (tile.BlocksNorth()) {
  65                         sdl::HorizontalLine(dest, offset, tileset->Width(), color);
  66                 }
  67                 if (tile.BlocksEast()) {
  68                         sdl::VerticalLine(dest, Vector<int>(offset.X() + tileset->Width() - 1, offset.Y()), tileset->Height(), color);
  69                 }
  70                 if (tile.BlocksSouth()) {
  71                         sdl::HorizontalLine(dest, Vector<int>(offset.X(), offset.Y() + tileset->Height() - 1), tileset->Width(), color);
  72                 }
  73                 if (tile.BlocksWest()) {
  74                         sdl::VerticalLine(dest, offset, tileset->Height(), color);
  75                 }
  76         }
  77 }
  78
  79 }