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 "../geometry/operators.h"
  12 #include "../graphics/Sprite.h"
  13
  14 #include <stdexcept>
  15
  16 using app::Application;
  17 using geometry::Point;
  18 using geometry::Vector;
  19
  20 using std::vector;
  21
  22 namespace battle {
  23
  24 void BattleState::AddMonster(const Monster &m) {
  25         if (monsters.size() >= monstersLayout->NumPositions()) {
  26                 throw std::overflow_error("too many monsters for layout");
  27         }
  28         monsters.push_back(m);
  29 }
  30
  31 void BattleState::AddHero(const Hero &h) {
  32         if (heroes.size() >= heroesLayout->NumPositions()) {
  33                 throw std::overflow_error("too many heroes for layout");
  34         }
  35         heroes.push_back(h);
  36 }
  37
  38
  39 void BattleState::Resize(int w, int h) {
  40
  41 }
  42
  43
  44 void BattleState::EnterState(Application &ctrl, SDL_Surface *screen) {
  45         monstersLayout->CalculatePositions(background->w, background->h, monsterPositions);
  46         heroesLayout->CalculatePositions(background->w, background->h, heroesPositions);
  47 }
  48
  49 void BattleState::ExitState() {
  50
  51 }
  52
  53
  54 void BattleState::HandleEvent(const SDL_Event &) {
  55
  56 }
  57
  58 void BattleState::UpdateWorld(float deltaT) {
  59
  60 }
  61
  62 void BattleState::Render(SDL_Surface *screen) {
  63         Vector<int> offset(
  64                         (screen->w - background->w) / 2,
  65                         (screen->h - background->h) / 2);
  66
  67         RenderBackground(screen, offset);
  68         RenderMonsters(screen, offset);
  69         RenderHeroes(screen, offset);
  70 }
  71
  72 void BattleState::RenderBackground(SDL_Surface *screen, const Vector<int> &offset) {
  73         // black for now
  74         SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
  75         SDL_Rect destRect;
  76         destRect.x = offset.X();
  77         destRect.y = offset.Y();
  78         destRect.w = background->w;
  79         destRect.h = background->h;
  80         SDL_BlitSurface(background, 0, screen, &destRect);
  81 }
  82
  83 void BattleState::RenderMonsters(SDL_Surface *screen, const Vector<int> &offset) {
  84         for (vector<Monster>::size_type i(0), end(monsters.size()); i < end; ++i) {
  85                 monsters[i].Sprite()->DrawCenterBottom(screen, monsterPositions[i] + offset);
  86         }
  87 }
  88
  89 void BattleState::RenderHeroes(SDL_Surface *screen, const Vector<int> &offset) {
  90         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
  91                 heroes[i].Sprite()->DrawCenterBottom(screen, heroesPositions[i] + offset);
  92         }
  93 }
  94
  95 }