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/Ikari.h"
  15 #include "../common/Inventory.h"
  16 #include "../common/Item.h"
  17 #include "../common/Spell.h"
  18 #include "../geometry/operators.h"
  19 #include "../graphics/Sprite.h"
  20
  21 #include <algorithm>
  22 #include <stdexcept>
  23
  24 using app::Application;
  25 using app::Input;
  26 using common::Inventory;
  27 using common::Item;
  28 using common::Spell;
  29 using geometry::Point;
  30 using geometry::Vector;
  31 using graphics::Menu;
  32
  33 using std::vector;
  34
  35 namespace battle {
  36
  37 void BattleState::AddMonster(const Monster &m) {
  38         if (monsters.size() >= monstersLayout->NumPositions()) {
  39                 throw std::overflow_error("too many monsters for layout");
  40         }
  41         monsters.push_back(m);
  42 }
  43
  44 void BattleState::AddHero(const Hero &h) {
  45         if (heroes.size() >= heroesLayout->NumPositions()) {
  46                 throw std::overflow_error("too many heroes for layout");
  47         }
  48         heroes.push_back(h);
  49 }
  50
  51 void BattleState::SwapHeroes(std::vector<Hero>::size_type lhs, std::vector<Hero>::size_type rhs) {
  52         if (lhs < 0 || lhs >= heroes.size() || rhs < 0 || rhs >= heroes.size() || lhs == rhs) return;
  53         std::swap(heroes[lhs], heroes[rhs]);
  54 }
  55
  56
  57 void BattleState::Resize(int w, int h) {
  58
  59 }
  60
  61
  62 void BattleState::EnterState(Application &ctrl, SDL_Surface *screen) {
  63         monstersLayout->CalculatePositions(background->w, background->h, monsterPositions);
  64         heroesLayout->CalculatePositions(background->w, background->h, heroesPositions);
  65         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
  66                 spellMenus.push_back(res->spellMenuPrototype);
  67                 LoadSpellMenu(i);
  68                 ikariMenus.push_back(res->ikariMenuPrototype);
  69                 LoadIkariMenu(i);
  70                 heroTags[i] = HeroTag(this, i);
  71         }
  72
  73         int tagHeight(attackTypeMenu.Height());
  74         int tagWidth(attackTypeMenu.Width() * 2 + attackTypeMenu.Width() / 2);
  75         int xOffset((BackgroundWidth() - 2 * tagWidth) / 2);
  76         heroTagPositions[0] = Point<int>(xOffset, BackgroundHeight() - 2 * tagHeight);
  77         heroTagPositions[1] = Point<int>(xOffset + tagWidth, BackgroundHeight() - 2 * tagHeight);
  78         heroTagPositions[2] = Point<int>(xOffset, BackgroundHeight() - tagHeight);
  79         heroTagPositions[3] = Point<int>(xOffset + tagWidth, BackgroundHeight() - tagHeight);
  80
  81         itemMenu = res->itemMenuPrototype;
  82         LoadInventory();
  83 }
  84
  85 void BattleState::LoadSpellMenu(vector<Hero>::size_type index) {
  86         spellMenus[index].Clear();
  87         spellMenus[index].Reserve(HeroAt(index).Spells().size());
  88         for (vector<const Spell *>::const_iterator i(HeroAt(index).Spells().begin()), end(HeroAt(index).Spells().end()); i != end; ++i) {
  89                 bool enabled((*i)->CanUseInBattle() && (*i)->Cost() <= HeroAt(index).Mana());
  90                 spellMenus[index].Add((*i)->Name(), *i, enabled, 0, (*i)->Cost());
  91         }
  92 }
  93
  94 void BattleState::LoadIkariMenu(vector<Hero>::size_type index) {
  95         ikariMenus[index].Clear();
  96         ikariMenus[index].Reserve(6);
  97
  98         if (HeroAt(index).HasWeapon()) {
  99                 ikariMenus[index].Add(
 100                                 HeroAt(index).Weapon()->Name(),
 101                                 HeroAt(index).Weapon(),
 102                                 HeroAt(index).Weapon()->HasIkari() && HeroAt(index).Weapon()->GetIkari()->Cost() <= HeroAt(index).IP(),
 103                                 res->weaponMenuIcon,
 104                                 0,
 105                                 HeroAt(index).Weapon()->HasIkari() ? HeroAt(index).Weapon()->GetIkari()->Name() : "");
 106         } else {
 107                 ikariMenus[index].Add(res->noEquipmentText, 0, false, res->weaponMenuIcon);
 108         }
 109
 110         if (HeroAt(index).HasArmor()) {
 111                 ikariMenus[index].Add(
 112                                 HeroAt(index).Armor()->Name(),
 113                                 HeroAt(index).Armor(),
 114                                 HeroAt(index).Armor()->HasIkari() && HeroAt(index).Armor()->GetIkari()->Cost() <= HeroAt(index).IP(),
 115                                 res->armorMenuIcon,
 116                                 0,
 117                                 HeroAt(index).Armor()->HasIkari() ? HeroAt(index).Armor()->GetIkari()->Name() : "");
 118         } else {
 119                 ikariMenus[index].Add(res->noEquipmentText, 0, false, res->armorMenuIcon);
 120         }
 121
 122         if (HeroAt(index).HasShield()) {
 123                 ikariMenus[index].Add(
 124                                 HeroAt(index).Shield()->Name(),
 125                                 HeroAt(index).Shield(),
 126                                 HeroAt(index).Shield()->HasIkari() && HeroAt(index).Shield()->GetIkari()->Cost() <= HeroAt(index).IP(),
 127                                 res->shieldMenuIcon,
 128                                 0,
 129                                 HeroAt(index).Shield()->HasIkari() ? HeroAt(index).Shield()->GetIkari()->Name() : "");
 130         } else {
 131                 ikariMenus[index].Add(res->noEquipmentText, 0, false, res->shieldMenuIcon);
 132         }
 133
 134         if (HeroAt(index).HasHelmet()) {
 135                 ikariMenus[index].Add(
 136                                 HeroAt(index).Helmet()->Name(),
 137                                 HeroAt(index).Helmet(),
 138                                 HeroAt(index).Helmet()->HasIkari() && HeroAt(index).Helmet()->GetIkari()->Cost() <= HeroAt(index).IP(),
 139                                 res->helmetMenuIcon,
 140                                 0,
 141                                 HeroAt(index).Helmet()->HasIkari() ? HeroAt(index).Helmet()->GetIkari()->Name() : "");
 142         } else {
 143                 ikariMenus[index].Add(res->noEquipmentText, 0, false, res->helmetMenuIcon);
 144         }
 145
 146         if (HeroAt(index).HasRing()) {
 147                 ikariMenus[index].Add(
 148                                 HeroAt(index).Ring()->Name(),
 149                                 HeroAt(index).Ring(),
 150                                 HeroAt(index).Ring()->HasIkari() && HeroAt(index).Ring()->GetIkari()->Cost() <= HeroAt(index).IP(),
 151                                 res->ringMenuIcon,
 152                                 0,
 153                                 HeroAt(index).Ring()->HasIkari() ? HeroAt(index).Ring()->GetIkari()->Name() : "");
 154         } else {
 155                 ikariMenus[index].Add(res->noEquipmentText, 0, false, res->ringMenuIcon);
 156         }
 157
 158         if (HeroAt(index).HasJewel()) {
 159                 ikariMenus[index].Add(
 160                                 HeroAt(index).Jewel()->Name(),
 161                                 HeroAt(index).Jewel(),
 162                                 HeroAt(index).Jewel()->HasIkari() && HeroAt(index).Jewel()->GetIkari()->Cost() <= HeroAt(index).IP(),
 163                                 res->jewelMenuIcon,
 164                                 0,
 165                                 HeroAt(index).Jewel()->HasIkari() ? HeroAt(index).Jewel()->GetIkari()->Name() : "");
 166         } else {
 167                 ikariMenus[index].Add(res->noEquipmentText, 0, false, res->jewelMenuIcon);
 168         }
 169 }
 170
 171 void BattleState::LoadInventory() {
 172         const Inventory &inv(*res->inventory);
 173         itemMenu.Clear();
 174         itemMenu.Reserve(inv.MaxItems());
 175         for (int i(0); i < inv.MaxItems(); ++i) {
 176                 const Item *item(inv.ItemAt(i));
 177                 if (item) {
 178                         itemMenu.Add(item->Name(), item, item->CanUseInBattle(), item->MenuIcon(), inv.ItemCountAt(i));
 179                 } else {
 180                         itemMenu.AddEmptyEntry();
 181                 }
 182         }
 183 }
 184
 185 void BattleState::ExitState(Application &ctrl, SDL_Surface *screen) {
 186
 187 }
 188
 189 void BattleState::ResumeState(Application &ctrl, SDL_Surface *screen) {
 190         // TODO: check for victory, defeat or run
 191         // reset attack choices
 192         activeHero = -1;
 193         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
 194                 attackChoices[i] = AttackChoice(this);
 195         }
 196         ctrl.PushState(new SelectMoveAction(this));
 197 }
 198
 199 void BattleState::PauseState(Application &ctrl, SDL_Surface *screen) {
 200
 201 }
 202
 203
 204 void BattleState::HandleInput(const Input &input) {
 205
 206 }
 207
 208 void BattleState::UpdateWorld(float deltaT) {
 209
 210 }
 211
 212 void BattleState::Render(SDL_Surface *screen) {
 213         Vector<int> offset(CalculateScreenOffset(screen));
 214
 215         RenderBackground(screen, offset);
 216         RenderMonsters(screen, offset);
 217 //      RenderHeroes(screen, offset);
 218         RenderHeroTags(screen, offset);
 219 }
 220
 221 void BattleState::RenderBackground(SDL_Surface *screen, const Vector<int> &offset) {
 222         // black for now
 223         SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
 224         SDL_Rect destRect;
 225         destRect.x = offset.X();
 226         destRect.y = offset.Y();
 227         destRect.w = background->w;
 228         destRect.h = background->h;
 229         SDL_BlitSurface(background, 0, screen, &destRect);
 230 }
 231
 232 void BattleState::RenderMonsters(SDL_Surface *screen, const Vector<int> &offset) {
 233         for (vector<Monster>::size_type i(0), end(monsters.size()); i < end; ++i) {
 234                 monsters[i].Sprite()->DrawCenterBottom(screen, monsterPositions[i] + offset);
 235         }
 236 }
 237
 238 void BattleState::RenderHeroes(SDL_Surface *screen, const Vector<int> &offset) {
 239         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
 240                 heroes[i].Sprite()->DrawCenterBottom(screen, heroesPositions[i] + offset);
 241         }
 242 }
 243
 244 void BattleState::RenderHeroTags(SDL_Surface *screen, const Vector<int> &offset) {
 245         int tagHeight(attackTypeMenu.Height());
 246         int tagWidth(attackTypeMenu.Width() * 2 + attackTypeMenu.Width() / 2);
 247
 248         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
 249                 heroTags[i].Render(screen, tagWidth, tagHeight, heroTagPositions[i] + offset, (int)i == activeHero);
 250         }
 251 }
 252
 253 }