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 "states/SelectMoveAction.h"
  12 #include "../app/Application.h"
  13 #include "../app/Input.h"
  14 #include "../geometry/operators.h"
  15 #include "../graphics/Sprite.h"
  16
  17 #include <stdexcept>
  18
  19 using app::Application;
  20 using app::Input;
  21 using geometry::Point;
  22 using geometry::Vector;
  23
  24 using std::vector;
  25
  26 namespace battle {
  27
  28 void BattleState::AddMonster(const Monster &m) {
  29         if (monsters.size() >= monstersLayout->NumPositions()) {
  30                 throw std::overflow_error("too many monsters for layout");
  31         }
  32         monsters.push_back(m);
  33 }
  34
  35 void BattleState::AddHero(const Hero &h) {
  36         if (heroes.size() >= heroesLayout->NumPositions()) {
  37                 throw std::overflow_error("too many heroes for layout");
  38         }
  39         heroes.push_back(h);
  40 }
  41
  42
  43 void BattleState::Resize(int w, int h) {
  44
  45 }
  46
  47
  48 void BattleState::EnterState(Application &ctrl, SDL_Surface *screen) {
  49         monstersLayout->CalculatePositions(background->w, background->h, monsterPositions);
  50         heroesLayout->CalculatePositions(background->w, background->h, heroesPositions);
  51         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
  52                 heroTags.push_back(HeroTag(&heroes[i], HeroTag::Alignment((i + 1) % 2)));
  53         }
  54         ctrl.PushState(new SelectMoveAction(this));
  55 }
  56
  57 void BattleState::ExitState() {
  58
  59 }
  60
  61
  62 void BattleState::HandleInput(const Input &input) {
  63
  64 }
  65
  66 void BattleState::UpdateWorld(float deltaT) {
  67
  68 }
  69
  70 void BattleState::Render(SDL_Surface *screen) {
  71         Vector<int> offset(CalculateScreenOffset(screen));
  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(BackgroundHeight() / 2), uiOffset(uiHeight);
 105         int tagHeight((uiHeight - attackTypeMenu.IconHeight()) / 2);
 106         int tagWidth((BackgroundWidth() - 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, i == activeHero);
 116         }
 117 }
 118
 119 void BattleState::RenderAttackTypeMenu(SDL_Surface *screen, const Vector<int> &offset) {
 120         Point<int> position(
 121                         (BackgroundWidth() - attackTypeMenu.Width()) / 2,
 122                         (BackgroundHeight() * 3 / 4) - (attackTypeMenu.Height() / 2));
 123         attackTypeMenu.Render(screen, position + offset);
 124 }
 125
 126 }