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 "../app/Application.h"
  12 #include "../app/Input.h"
  13 #include "../geometry/operators.h"
  14 #include "../graphics/Sprite.h"
  15
  16 #include <stdexcept>
  17
  18 using app::Application;
  19 using app::Input;
  20 using geometry::Point;
  21 using geometry::Vector;
  22
  23 using std::vector;
  24
  25 namespace battle {
  26
  27 void BattleState::AddMonster(const Monster &m) {
  28         if (monsters.size() >= monstersLayout->NumPositions()) {
  29                 throw std::overflow_error("too many monsters for layout");
  30         }
  31         monsters.push_back(m);
  32 }
  33
  34 void BattleState::AddHero(const Hero &h) {
  35         if (heroes.size() >= heroesLayout->NumPositions()) {
  36                 throw std::overflow_error("too many heroes for layout");
  37         }
  38         heroes.push_back(h);
  39 }
  40
  41
  42 void BattleState::Resize(int w, int h) {
  43
  44 }
  45
  46
  47 void BattleState::EnterState(Application &ctrl, SDL_Surface *screen) {
  48         monstersLayout->CalculatePositions(background->w, background->h, monsterPositions);
  49         heroesLayout->CalculatePositions(background->w, background->h, heroesPositions);
  50 }
  51
  52 void BattleState::ExitState() {
  53
  54 }
  55
  56
  57 void BattleState::HandleInput(const Input &input) {
  58
  59 }
  60
  61 void BattleState::UpdateWorld(float deltaT) {
  62
  63 }
  64
  65 void BattleState::Render(SDL_Surface *screen) {
  66         Vector<int> offset(
  67                         (screen->w - background->w) / 2,
  68                         (screen->h - background->h) / 2);
  69
  70         RenderBackground(screen, offset);
  71         RenderMonsters(screen, offset);
  72         RenderHeroes(screen, offset);
  73 }
  74
  75 void BattleState::RenderBackground(SDL_Surface *screen, const Vector<int> &offset) {
  76         // black for now
  77         SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
  78         SDL_Rect destRect;
  79         destRect.x = offset.X();
  80         destRect.y = offset.Y();
  81         destRect.w = background->w;
  82         destRect.h = background->h;
  83         SDL_BlitSurface(background, 0, screen, &destRect);
  84 }
  85
  86 void BattleState::RenderMonsters(SDL_Surface *screen, const Vector<int> &offset) {
  87         for (vector<Monster>::size_type i(0), end(monsters.size()); i < end; ++i) {
  88                 monsters[i].Sprite()->DrawCenterBottom(screen, monsterPositions[i] + offset);
  89         }
  90 }
  91
  92 void BattleState::RenderHeroes(SDL_Surface *screen, const Vector<int> &offset) {
  93         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
  94                 heroes[i].Sprite()->DrawCenterBottom(screen, heroesPositions[i] + offset);
  95         }
  96 }
  97
  98 }