src/graphics/Sprite.cpp

   1 /*
   2  * Sprite.cpp
   3  *
   4  *  Created on: Aug 5, 2012
   5  *      Author: holy
   6  */
   7
   8 #include "Sprite.h"
   9
  10 #include "../loader/TypeDescription.h"
  11
  12 using geometry::Vector;
  13 using loader::FieldDescription;
  14 using loader::TypeDescription;
  15
  16 namespace graphics {
  17
  18 void Sprite::Draw(SDL_Surface *dest, const Vector<int> &position, int col, int row) const {
  19         SDL_Rect srcRect, destRect;
  20         srcRect.x = offset.X() + col * Width();
  21         srcRect.y = offset.Y() + row * Height();
  22         srcRect.w = Width();
  23         srcRect.h = Height();
  24         destRect.x = position.X();
  25         destRect.y = position.Y();
  26         if (surface) {
  27                 SDL_BlitSurface(surface, &srcRect, dest, &destRect);
  28         } else {
  29                 destRect.w = Width();
  30                 destRect.h = Height();
  31                 bool red(true);
  32                 while (destRect.w > 1 && destRect.h > 1) {
  33                         SDL_FillRect(dest, &destRect, SDL_MapRGB(dest->format, red ? 0xFF : 0, 0, 0));
  34                         ++destRect.x;
  35                         ++destRect.y;
  36                         destRect.w -= 2;
  37                         destRect.h -= 2;
  38                         red = !red;
  39                 }
  40         }
  41 }
  42
  43
  44 void Sprite::CreateTypeDescription() {
  45         Sprite s;
  46
  47         int imageId(TypeDescription::GetTypeId("Image"));
  48         int vectorId(TypeDescription::GetTypeId("Vector"));
  49
  50         TypeDescription &td(TypeDescription::CreateOrGet("Sprite"));
  51         td.SetConstructor(&Construct);
  52         td.SetSize(sizeof(Sprite));
  53
  54         td.AddField("image", FieldDescription(((char *)&s.surface) - ((char *)&s), imageId, true));
  55         td.AddField("size", FieldDescription(((char *)&s.size) - ((char *)&s), vectorId, false));
  56         td.AddField("offset", FieldDescription(((char *)&s.offset) - ((char *)&s), vectorId, false));
  57 }
  58
  59 void Sprite::Construct(void *data) {
  60         new (data) Sprite;
  61 }
  62
  63 }