src/battle/BattleState.cpp

   1 /*
   2  * BattleState.cpp
   3  *
   4  *  Created on: Aug 5, 2012
   5  *      Author: holy
   6  */
   7
   8 #include "BattleState.h"
   9
  10 #include "PartyLayout.h"
  11 #include "../graphics/Sprite.h"
  12
  13 #include <stdexcept>
  14
  15 using app::Application;
  16 using geometry::Point;
  17
  18 using std::vector;
  19
  20 namespace battle {
  21
  22 void BattleState::AddMonster(const Monster &m) {
  23         if (monsters.size() >= monstersLayout->NumPositions()) {
  24                 throw std::overflow_error("too many monsters for layout");
  25         }
  26         monsters.push_back(m);
  27 }
  28
  29
  30 void BattleState::Resize(int w, int h) {
  31         width = w;
  32         height = h;
  33 }
  34
  35
  36 void BattleState::EnterState(Application &ctrl, SDL_Surface *screen) {
  37         monstersLayout->CalculatePositions(background->w, background->h, monsterPositions);
  38         width = screen->w;
  39         height = screen->h;
  40 }
  41
  42 void BattleState::ExitState() {
  43
  44 }
  45
  46
  47 void BattleState::HandleEvent(const SDL_Event &) {
  48
  49 }
  50
  51 void BattleState::UpdateWorld(float deltaT) {
  52
  53 }
  54
  55 void BattleState::Render(SDL_Surface *screen) {
  56         // black for now
  57         SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
  58         SDL_Rect destRect;
  59         destRect.x = (width - background->w) / 2;
  60         destRect.y = (height - background->h) / 2;
  61         destRect.w = background->w;
  62         destRect.h = background->h;
  63
  64         // TODO: center background if screen bigger
  65         SDL_BlitSurface(background, 0, screen, &destRect);
  66
  67         for (vector<Monster>::size_type i(0), end(monsters.size()); i < end; ++i) {
  68                 monsters[i].Sprite()->DrawCenterBottom(screen, Point<int>(monsterPositions[i].X() + destRect.x, monsterPositions[i].Y() + destRect.y));
  69         }
  70 }
  71
  72 }