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 <iomanip>
  20 #include <stdexcept>
  21 #include <sstream>
  22
  23 using app::Application;
  24 using app::Input;
  25 using common::Inventory;
  26 using common::Item;
  27 using geometry::Point;
  28 using geometry::Vector;
  29 using graphics::Menu;
  30
  31 using std::vector;
  32
  33 namespace battle {
  34
  35 void BattleState::AddMonster(const Monster &m) {
  36         if (monsters.size() >= monstersLayout->NumPositions()) {
  37                 throw std::overflow_error("too many monsters for layout");
  38         }
  39         monsters.push_back(m);
  40 }
  41
  42 void BattleState::AddHero(const Hero &h) {
  43         if (heroes.size() >= heroesLayout->NumPositions()) {
  44                 throw std::overflow_error("too many heroes for layout");
  45         }
  46         heroes.push_back(h);
  47 }
  48
  49
  50 void BattleState::Resize(int w, int h) {
  51
  52 }
  53
  54
  55 void BattleState::EnterState(Application &ctrl, SDL_Surface *screen) {
  56         monstersLayout->CalculatePositions(background->w, background->h, monsterPositions);
  57         heroesLayout->CalculatePositions(background->w, background->h, heroesPositions);
  58         attackChoices.resize(heroes.size());
  59         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
  60                 spellMenus.push_back(res->spellMenuPrototype);
  61                 // TODO: insert spell menu entries
  62                 ikariMenus.push_back(res->ikariMenuPrototype);
  63                 // TODO: insert ikari menu entries
  64                 heroTags.push_back(HeroTag(&heroes[i], &attackChoices[i], res, HeroTag::Alignment((i + 1) % 2)));
  65         }
  66         // TODO: insert item menu entries
  67         itemMenu = res->itemMenuPrototype;
  68         LoadInventory();
  69 }
  70
  71 void BattleState::LoadInventory() {
  72         const Inventory &inv(*res->inventory);
  73         itemMenu.Clear();
  74         itemMenu.Reserve(inv.MaxItems());
  75         itemMenuStrings.clear();
  76         itemMenuStrings.resize(inv.MaxItems());
  77         int itemNameLength(itemMenu.CharsPerEntry() - 3);
  78         // TODO: better (maybe intrusive) solution for menus with counts
  79         for (int i(0); i < inv.MaxItems(); ++i) {
  80                 const Item *item(inv.ItemAt(i));
  81                 if (item) {
  82                         std::stringstream s;
  83                         s << std::setw(itemNameLength) << std::left << std::setfill(' ') << item->Name();
  84                         s << ':';
  85                         s << inv.ItemCountAt(i);
  86                         itemMenuStrings[i] = s.str();
  87                         itemMenu.Add(itemMenuStrings[i].c_str(), item, item->CanUseInBattle(), item->MenuIcon());
  88                 } else {
  89                         itemMenu.Add("", 0, false);
  90                 }
  91         }
  92 }
  93
  94 void BattleState::ExitState(Application &ctrl, SDL_Surface *screen) {
  95
  96 }
  97
  98 void BattleState::ResumeState(Application &ctrl, SDL_Surface *screen) {
  99         // TODO: check for victory, defeat or run
 100         // reset attack choices
 101         activeHero = -1;
 102         attackChoices.clear();
 103         attackChoices.resize(heroes.size());
 104         ctrl.PushState(new SelectMoveAction(this));
 105 }
 106
 107 void BattleState::PauseState(Application &ctrl, SDL_Surface *screen) {
 108
 109 }
 110
 111
 112 void BattleState::HandleInput(const Input &input) {
 113
 114 }
 115
 116 void BattleState::UpdateWorld(float deltaT) {
 117
 118 }
 119
 120 void BattleState::Render(SDL_Surface *screen) {
 121         Vector<int> offset(CalculateScreenOffset(screen));
 122
 123         RenderBackground(screen, offset);
 124         RenderMonsters(screen, offset);
 125 //      RenderHeroes(screen, offset);
 126         RenderHeroTags(screen, offset);
 127 }
 128
 129 void BattleState::RenderBackground(SDL_Surface *screen, const Vector<int> &offset) {
 130         // black for now
 131         SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
 132         SDL_Rect destRect;
 133         destRect.x = offset.X();
 134         destRect.y = offset.Y();
 135         destRect.w = background->w;
 136         destRect.h = background->h;
 137         SDL_BlitSurface(background, 0, screen, &destRect);
 138 }
 139
 140 void BattleState::RenderMonsters(SDL_Surface *screen, const Vector<int> &offset) {
 141         for (vector<Monster>::size_type i(0), end(monsters.size()); i < end; ++i) {
 142                 monsters[i].Sprite()->DrawCenterBottom(screen, monsterPositions[i] + offset);
 143         }
 144 }
 145
 146 void BattleState::RenderHeroes(SDL_Surface *screen, const Vector<int> &offset) {
 147         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
 148                 heroes[i].Sprite()->DrawCenterBottom(screen, heroesPositions[i] + offset);
 149         }
 150 }
 151
 152 void BattleState::RenderHeroTags(SDL_Surface *screen, const Vector<int> &offset) {
 153         int tagHeight(attackTypeMenu.Height());
 154         int tagWidth(attackTypeMenu.Width() * 2 + attackTypeMenu.Width() / 2);
 155         int xOffset((BackgroundWidth() - 2 * tagWidth) / 2);
 156
 157         Point<int> tagPosition[4];
 158         tagPosition[0] = Point<int>(xOffset, BackgroundHeight() - 2 * tagHeight);
 159         tagPosition[1] = Point<int>(xOffset + tagWidth, BackgroundHeight() - 2 * tagHeight);
 160         tagPosition[2] = Point<int>(xOffset, BackgroundHeight() - tagHeight);
 161         tagPosition[3] = Point<int>(xOffset + tagWidth, BackgroundHeight() - tagHeight);
 162
 163         for (vector<HeroTag>::size_type i(0), end(heroTags.size()); i < end; ++i) {
 164                 heroTags[i].Render(screen, tagWidth, tagHeight, tagPosition[i] + offset, (int)i == activeHero);
 165         }
 166 }
 167
 168 }