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         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
  51                 heroTags.push_back(HeroTag(&heroes[i], HeroTag::Alignment((i + 1) % 2)));
  52         }
  53 }
  54
  55 void BattleState::ExitState() {
  56
  57 }
  58
  59
  60 void BattleState::HandleInput(const Input &input) {
  61         attackTypeMenu.ReadInput(input);
  62 }
  63
  64 void BattleState::UpdateWorld(float deltaT) {
  65
  66 }
  67
  68 void BattleState::Render(SDL_Surface *screen) {
  69         Vector<int> offset(
  70                         (screen->w - background->w) / 2,
  71                         (screen->h - background->h) / 2);
  72
  73         RenderBackground(screen, offset);
  74         RenderMonsters(screen, offset);
  75 //      RenderHeroes(screen, offset);
  76         RenderHeroTags(screen, offset);
  77         RenderAttackTypeMenu(screen, offset);
  78 }
  79
  80 void BattleState::RenderBackground(SDL_Surface *screen, const Vector<int> &offset) {
  81         // black for now
  82         SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
  83         SDL_Rect destRect;
  84         destRect.x = offset.X();
  85         destRect.y = offset.Y();
  86         destRect.w = background->w;
  87         destRect.h = background->h;
  88         SDL_BlitSurface(background, 0, screen, &destRect);
  89 }
  90
  91 void BattleState::RenderMonsters(SDL_Surface *screen, const Vector<int> &offset) {
  92         for (vector<Monster>::size_type i(0), end(monsters.size()); i < end; ++i) {
  93                 monsters[i].Sprite()->DrawCenterBottom(screen, monsterPositions[i] + offset);
  94         }
  95 }
  96
  97 void BattleState::RenderHeroes(SDL_Surface *screen, const Vector<int> &offset) {
  98         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
  99                 heroes[i].Sprite()->DrawCenterBottom(screen, heroesPositions[i] + offset);
 100         }
 101 }
 102
 103 void BattleState::RenderHeroTags(SDL_Surface *screen, const Vector<int> &offset) {
 104         int uiHeight(background->h / 2), uiOffset(uiHeight);
 105         int tagHeight((uiHeight - attackTypeMenu.IconHeight()) / 2);
 106         int tagWidth((background->w - attackTypeMenu.IconWidth()) / 2);
 107
 108         Point<int> tagPosition[4];
 109         tagPosition[0] = Point<int>(0, uiOffset);
 110         tagPosition[1] = Point<int>(tagWidth + attackTypeMenu.IconWidth(), uiOffset);
 111         tagPosition[2] = Point<int>(0, uiOffset + tagHeight + attackTypeMenu.IconHeight());
 112         tagPosition[3] = Point<int>(tagWidth + attackTypeMenu.IconWidth(), uiOffset + tagHeight + attackTypeMenu.IconHeight());
 113
 114         for (vector<HeroTag>::size_type i(0), end(heroTags.size()); i < end; ++i) {
 115                 heroTags[i].Render(screen, tagWidth, tagHeight, tagPosition[i] + offset);
 116         }
 117 }
 118
 119 void BattleState::RenderAttackTypeMenu(SDL_Surface *screen, const Vector<int> &offset) {
 120         Point<int> position(
 121                         (background->w - attackTypeMenu.Width()) / 2,
 122                         (background->h * 3 / 4) - (attackTypeMenu.Height() / 2));
 123         attackTypeMenu.Render(screen, position + offset);
 124 }
 125
 126 }