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         attackChoices.resize(heroes.size());
  52         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
  53                 heroTags.push_back(HeroTag(&heroes[i], &attackChoices[i], heroTagFrame, activeHeroTagFrame, HeroTag::Alignment((i + 1) % 2)));
  54         }
  55 }
  56
  57 void BattleState::ExitState(Application &ctrl, SDL_Surface *screen) {
  58
  59 }
  60
  61 void BattleState::ResumeState(Application &ctrl, SDL_Surface *screen) {
  62         // reset attack choices
  63         activeHero = -1;
  64         attackChoices.clear();
  65         attackChoices.resize(heroes.size());
  66         ctrl.PushState(new SelectMoveAction(this));
  67 }
  68
  69 void BattleState::PauseState(Application &ctrl, SDL_Surface *screen) {
  70
  71 }
  72
  73
  74 void BattleState::HandleInput(const Input &input) {
  75
  76 }
  77
  78 void BattleState::UpdateWorld(float deltaT) {
  79
  80 }
  81
  82 void BattleState::Render(SDL_Surface *screen) {
  83         Vector<int> offset(CalculateScreenOffset(screen));
  84
  85         RenderBackground(screen, offset);
  86         RenderMonsters(screen, offset);
  87 //      RenderHeroes(screen, offset);
  88         RenderHeroTags(screen, offset);
  89 }
  90
  91 void BattleState::RenderBackground(SDL_Surface *screen, const Vector<int> &offset) {
  92         // black for now
  93         SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
  94         SDL_Rect destRect;
  95         destRect.x = offset.X();
  96         destRect.y = offset.Y();
  97         destRect.w = background->w;
  98         destRect.h = background->h;
  99         SDL_BlitSurface(background, 0, screen, &destRect);
 100 }
 101
 102 void BattleState::RenderMonsters(SDL_Surface *screen, const Vector<int> &offset) {
 103         for (vector<Monster>::size_type i(0), end(monsters.size()); i < end; ++i) {
 104                 monsters[i].Sprite()->DrawCenterBottom(screen, monsterPositions[i] + offset);
 105         }
 106 }
 107
 108 void BattleState::RenderHeroes(SDL_Surface *screen, const Vector<int> &offset) {
 109         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
 110                 heroes[i].Sprite()->DrawCenterBottom(screen, heroesPositions[i] + offset);
 111         }
 112 }
 113
 114 void BattleState::RenderHeroTags(SDL_Surface *screen, const Vector<int> &offset) {
 115         int uiHeight(BackgroundHeight() / 2), uiOffset(uiHeight);
 116         int tagHeight((uiHeight - attackTypeMenu.IconHeight()) / 2);
 117         int tagWidth((BackgroundWidth() - attackTypeMenu.IconWidth()) / 2);
 118
 119         Point<int> tagPosition[4];
 120         tagPosition[0] = Point<int>(0, uiOffset);
 121         tagPosition[1] = Point<int>(tagWidth + attackTypeMenu.IconWidth(), uiOffset);
 122         tagPosition[2] = Point<int>(0, uiOffset + tagHeight + attackTypeMenu.IconHeight());
 123         tagPosition[3] = Point<int>(tagWidth + attackTypeMenu.IconWidth(), uiOffset + tagHeight + attackTypeMenu.IconHeight());
 124
 125         for (vector<HeroTag>::size_type i(0), end(heroTags.size()); i < end; ++i) {
 126                 heroTags[i].Render(screen, tagWidth, tagHeight, tagPosition[i] + offset, (int)i == activeHero);
 127         }
 128 }
 129
 130 }