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         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
  57                 spellMenus.push_back(res->spellMenuPrototype);
  58                 // TODO: insert spell menu entries
  59                 ikariMenus.push_back(res->ikariMenuPrototype);
  60                 // TODO: insert ikari menu entries
  61                 heroTags[i] = HeroTag(&heroes[i], attackChoices + i, res, HeroTag::Alignment((i + 1) % 2));
  62         }
  63
  64         int tagHeight(attackTypeMenu.Height());
  65         int tagWidth(attackTypeMenu.Width() * 2 + attackTypeMenu.Width() / 2);
  66         int xOffset((BackgroundWidth() - 2 * tagWidth) / 2);
  67         heroTagPositions[0] = Point<int>(xOffset, BackgroundHeight() - 2 * tagHeight);
  68         heroTagPositions[1] = Point<int>(xOffset + tagWidth, BackgroundHeight() - 2 * tagHeight);
  69         heroTagPositions[2] = Point<int>(xOffset, BackgroundHeight() - tagHeight);
  70         heroTagPositions[3] = Point<int>(xOffset + tagWidth, BackgroundHeight() - tagHeight);
  71
  72         // TODO: insert item menu entries
  73         itemMenu = res->itemMenuPrototype;
  74         LoadInventory();
  75 }
  76
  77 void BattleState::LoadInventory() {
  78         const Inventory &inv(*res->inventory);
  79         itemMenu.Clear();
  80         itemMenu.Reserve(inv.MaxItems());
  81         for (int i(0); i < inv.MaxItems(); ++i) {
  82                 const Item *item(inv.ItemAt(i));
  83                 if (item) {
  84                         itemMenu.Add(item->Name(), item, item->CanUseInBattle(), item->MenuIcon(), inv.ItemCountAt(i));
  85                 } else {
  86                         itemMenu.AddEmptyEntry();
  87                 }
  88         }
  89 }
  90
  91 void BattleState::ExitState(Application &ctrl, SDL_Surface *screen) {
  92
  93 }
  94
  95 void BattleState::ResumeState(Application &ctrl, SDL_Surface *screen) {
  96         // TODO: check for victory, defeat or run
  97         // reset attack choices
  98         activeHero = -1;
  99         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
 100                 attackChoices[i] = AttackChoice(this);
 101         }
 102         ctrl.PushState(new SelectMoveAction(this));
 103 }
 104
 105 void BattleState::PauseState(Application &ctrl, SDL_Surface *screen) {
 106
 107 }
 108
 109
 110 void BattleState::HandleInput(const Input &input) {
 111
 112 }
 113
 114 void BattleState::UpdateWorld(float deltaT) {
 115
 116 }
 117
 118 void BattleState::Render(SDL_Surface *screen) {
 119         Vector<int> offset(CalculateScreenOffset(screen));
 120
 121         RenderBackground(screen, offset);
 122         RenderMonsters(screen, offset);
 123 //      RenderHeroes(screen, offset);
 124         RenderHeroTags(screen, offset);
 125 }
 126
 127 void BattleState::RenderBackground(SDL_Surface *screen, const Vector<int> &offset) {
 128         // black for now
 129         SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
 130         SDL_Rect destRect;
 131         destRect.x = offset.X();
 132         destRect.y = offset.Y();
 133         destRect.w = background->w;
 134         destRect.h = background->h;
 135         SDL_BlitSurface(background, 0, screen, &destRect);
 136 }
 137
 138 void BattleState::RenderMonsters(SDL_Surface *screen, const Vector<int> &offset) {
 139         for (vector<Monster>::size_type i(0), end(monsters.size()); i < end; ++i) {
 140                 monsters[i].Sprite()->DrawCenterBottom(screen, monsterPositions[i] + offset);
 141         }
 142 }
 143
 144 void BattleState::RenderHeroes(SDL_Surface *screen, const Vector<int> &offset) {
 145         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
 146                 heroes[i].Sprite()->DrawCenterBottom(screen, heroesPositions[i] + offset);
 147         }
 148 }
 149
 150 void BattleState::RenderHeroTags(SDL_Surface *screen, const Vector<int> &offset) {
 151         int tagHeight(attackTypeMenu.Height());
 152         int tagWidth(attackTypeMenu.Width() * 2 + attackTypeMenu.Width() / 2);
 153
 154         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
 155                 heroTags[i].Render(screen, tagWidth, tagHeight, heroTagPositions[i] + offset, (int)i == activeHero);
 156         }
 157 }
 158
 159 }