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 "../common/Inventory.h"
  15 #include "../common/Item.h"
  16 #include "../geometry/operators.h"
  17 #include "../graphics/Sprite.h"
  18
  19 #include <stdexcept>
  20
  21 using app::Application;
  22 using app::Input;
  23 using common::Inventory;
  24 using common::Item;
  25 using geometry::Point;
  26 using geometry::Vector;
  27 using graphics::Menu;
  28
  29 using std::vector;
  30
  31 namespace battle {
  32
  33 void BattleState::AddMonster(const Monster &m) {
  34         if (monsters.size() >= monstersLayout->NumPositions()) {
  35                 throw std::overflow_error("too many monsters for layout");
  36         }
  37         monsters.push_back(m);
  38 }
  39
  40 void BattleState::AddHero(const Hero &h) {
  41         if (heroes.size() >= heroesLayout->NumPositions()) {
  42                 throw std::overflow_error("too many heroes for layout");
  43         }
  44         heroes.push_back(h);
  45 }
  46
  47
  48 void BattleState::Resize(int w, int h) {
  49
  50 }
  51
  52
  53 void BattleState::EnterState(Application &ctrl, SDL_Surface *screen) {
  54         monstersLayout->CalculatePositions(background->w, background->h, monsterPositions);
  55         heroesLayout->CalculatePositions(background->w, background->h, heroesPositions);
  56         attackChoices.resize(heroes.size());
  57         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
  58                 spellMenus.push_back(res->spellMenuPrototype);
  59                 // TODO: insert spell menu entries
  60                 ikariMenus.push_back(res->ikariMenuPrototype);
  61                 // TODO: insert ikari menu entries
  62                 heroTags.push_back(HeroTag(&heroes[i], &attackChoices[i], res, HeroTag::Alignment((i + 1) % 2)));
  63         }
  64         // TODO: insert item menu entries
  65         itemMenu = res->itemMenuPrototype;
  66         LoadInventory();
  67 }
  68
  69 void BattleState::LoadInventory() {
  70         const Inventory &inv(*res->inventory);
  71         itemMenu.Clear();
  72         itemMenu.Reserve(inv.MaxItems());
  73         for (int i(0); i < inv.MaxItems(); ++i) {
  74                 const Item *item(inv.ItemAt(i));
  75                 if (item) {
  76                         itemMenu.Add(item->Name(), item, item->CanUseInBattle(), item->MenuIcon(), inv.ItemCountAt(i));
  77                 } else {
  78                         itemMenu.AddEmptyEntry();
  79                 }
  80         }
  81 }
  82
  83 void BattleState::ExitState(Application &ctrl, SDL_Surface *screen) {
  84
  85 }
  86
  87 void BattleState::ResumeState(Application &ctrl, SDL_Surface *screen) {
  88         // TODO: check for victory, defeat or run
  89         // reset attack choices
  90         activeHero = -1;
  91         attackChoices.clear();
  92         attackChoices.resize(heroes.size());
  93         ctrl.PushState(new SelectMoveAction(this));
  94 }
  95
  96 void BattleState::PauseState(Application &ctrl, SDL_Surface *screen) {
  97
  98 }
  99
 100
 101 void BattleState::HandleInput(const Input &input) {
 102
 103 }
 104
 105 void BattleState::UpdateWorld(float deltaT) {
 106
 107 }
 108
 109 void BattleState::Render(SDL_Surface *screen) {
 110         Vector<int> offset(CalculateScreenOffset(screen));
 111
 112         RenderBackground(screen, offset);
 113         RenderMonsters(screen, offset);
 114 //      RenderHeroes(screen, offset);
 115         RenderHeroTags(screen, offset);
 116 }
 117
 118 void BattleState::RenderBackground(SDL_Surface *screen, const Vector<int> &offset) {
 119         // black for now
 120         SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
 121         SDL_Rect destRect;
 122         destRect.x = offset.X();
 123         destRect.y = offset.Y();
 124         destRect.w = background->w;
 125         destRect.h = background->h;
 126         SDL_BlitSurface(background, 0, screen, &destRect);
 127 }
 128
 129 void BattleState::RenderMonsters(SDL_Surface *screen, const Vector<int> &offset) {
 130         for (vector<Monster>::size_type i(0), end(monsters.size()); i < end; ++i) {
 131                 monsters[i].Sprite()->DrawCenterBottom(screen, monsterPositions[i] + offset);
 132         }
 133 }
 134
 135 void BattleState::RenderHeroes(SDL_Surface *screen, const Vector<int> &offset) {
 136         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
 137                 heroes[i].Sprite()->DrawCenterBottom(screen, heroesPositions[i] + offset);
 138         }
 139 }
 140
 141 void BattleState::RenderHeroTags(SDL_Surface *screen, const Vector<int> &offset) {
 142         int tagHeight(attackTypeMenu.Height());
 143         int tagWidth(attackTypeMenu.Width() * 2 + attackTypeMenu.Width() / 2);
 144         int xOffset((BackgroundWidth() - 2 * tagWidth) / 2);
 145
 146         Point<int> tagPosition[4];
 147         tagPosition[0] = Point<int>(xOffset, BackgroundHeight() - 2 * tagHeight);
 148         tagPosition[1] = Point<int>(xOffset + tagWidth, BackgroundHeight() - 2 * tagHeight);
 149         tagPosition[2] = Point<int>(xOffset, BackgroundHeight() - tagHeight);
 150         tagPosition[3] = Point<int>(xOffset + tagWidth, BackgroundHeight() - tagHeight);
 151
 152         for (vector<HeroTag>::size_type i(0), end(heroTags.size()); i < end; ++i) {
 153                 heroTags[i].Render(screen, tagWidth, tagHeight, tagPosition[i] + offset, (int)i == activeHero);
 154         }
 155 }
 156
 157 }