src/battle/BattleState.cpp

   1 #include "BattleState.h"
   2
   3 #include "PartyLayout.h"
   4 #include "states/SelectMoveAction.h"
   5 #include "states/PerformAttacks.h"
   6 #include "states/VictoryState.h"
   7 #include "../app/Application.h"
   8 #include "../app/Input.h"
   9 #include "../common/GameState.h"
  10 #include "../common/Ikari.h"
  11 #include "../common/Inventory.h"
  12 #include "../common/Item.h"
  13 #include "../common/Spell.h"
  14 #include "../graphics/Frame.h"
  15 #include "../graphics/Sprite.h"
  16 #include "../math/Vector.h"
  17
  18 #include <algorithm>
  19 #include <cassert>
  20 #include <cstdlib>
  21 #include <stdexcept>
  22
  23 using app::Application;
  24 using app::Input;
  25 using common::Inventory;
  26 using common::Item;
  27 using common::Spell;
  28 using common::Stats;
  29 using math::Vector;
  30 using graphics::Menu;
  31
  32 using std::rand;
  33 using std::vector;
  34
  35 namespace battle {
  36
  37 void BattleState::AddMonster(const Monster &m) {
  38         battle.AddMonster(m);
  39 }
  40
  41 void BattleState::AddHero(const Hero &h) {
  42         battle.AddHero(h);
  43 }
  44
  45 void BattleState::SetCapsule(const Capsule &c) {
  46         battle.SetCapsule(c);
  47 }
  48
  49
  50 void BattleState::OnResize(int w, int h) {
  51         offset = Vector<int>(
  52                                 (w - background->w) / 2,
  53                                 (h - background->h) / 2);
  54 }
  55
  56
  57 void BattleState::OnEnterState(SDL_Surface *screen) {
  58         for (int i(0); i < 4; ++i) {
  59                 Hero &hero = HeroAt(i);
  60                 hero.Position() = battle.HeroesLayout().CalculatePosition(i, background->w, background->h);
  61                 hero.SpellMenu() = *res->spellMenuProperties;
  62                 hero.UpdateSpellMenu();
  63                 hero.IkariMenu() = *res->ikariMenuProperties;
  64                 hero.UpdateIkariMenu(res);
  65                 heroTags[i] = HeroTag(this, i);
  66                 smallHeroTags[i] = SmallHeroTag(this, i);
  67         }
  68
  69         battle.GetCapsule().Position() = battle.HeroesLayout().CalculatePosition(4, background->w, background->h);
  70
  71         for (int i(0); i < battle.NumMonsters(); ++i) {
  72                 MonsterAt(i).Position() = battle.MonstersLayout().CalculatePosition(i, background->w, background->h);
  73         }
  74
  75         int tagHeight(attackTypeMenu.Height());
  76         int tagWidth(attackTypeMenu.Width() * 2 + attackTypeMenu.Width() / 2);
  77         int xOffset((Width() - 2 * tagWidth) / 2);
  78         heroTagPositions[0] = Vector<int>(xOffset, Height() - 2 * tagHeight);
  79         heroTagPositions[1] = Vector<int>(xOffset + tagWidth, Height() - 2 * tagHeight);
  80         heroTagPositions[2] = Vector<int>(xOffset, Height() - tagHeight);
  81         heroTagPositions[3] = Vector<int>(xOffset + tagWidth, Height() - tagHeight);
  82
  83         tagHeight = res->normalFont->CharHeight() * 4 + res->smallHeroTagFrame->BorderHeight() * 2;
  84         tagWidth = res->normalFont->CharWidth() * 6 + res->smallHeroTagFrame->BorderWidth() * 2;
  85         xOffset = (Width() - 4 * tagWidth) / 2;
  86         int yOffset(Height() - tagHeight);
  87         smallHeroTagPositions[0] = Vector<int>(xOffset, yOffset);
  88         smallHeroTagPositions[1] = Vector<int>(xOffset + 2 * tagWidth, yOffset);
  89         smallHeroTagPositions[2] = Vector<int>(xOffset + tagWidth, yOffset);
  90         smallHeroTagPositions[3] = Vector<int>(xOffset + 3 * tagWidth, yOffset);
  91
  92         OnResize(screen->w, screen->h);
  93
  94         itemMenu = *res->itemMenuProperties;
  95         LoadInventory();
  96         battle.ClearAllAttacks();
  97 }
  98
  99 void BattleState::LoadInventory() {
 100         const Inventory &inv(game->state->inventory);
 101         itemMenu.Clear();
 102         itemMenu.Reserve(inv.MaxItems());
 103         for (int i(0); i < inv.MaxItems(); ++i) {
 104                 const Item *item(inv.ItemAt(i));
 105                 if (item) {
 106                         itemMenu.Add(item->Name(), item, item->CanUseInBattle(), item->MenuIcon(), inv.ItemCountAt(i));
 107                 } else {
 108                         itemMenu.AddEmptyEntry();
 109                 }
 110         }
 111 }
 112
 113 void BattleState::OnExitState(SDL_Surface *screen) {
 114
 115 }
 116
 117 void BattleState::OnResumeState(SDL_Surface *screen) {
 118         if (ranAway) {
 119                 Ctrl().PopState(); // quit the battle scene
 120                 return;
 121         }
 122         if (battle.Victory()) {
 123                 if (alreadyPushed) {
 124                         Ctrl().PopState();
 125                 } else {
 126                         Ctrl().PushState(new VictoryState(&battle, this));
 127                         alreadyPushed = true;
 128                 }
 129                 return;
 130         }
 131         if (battle.Defeat()) {
 132                 Ctrl().PopState();
 133                 return;
 134         }
 135         // TODO: this should not push a state while quitting
 136         if (battle.AttackSelectionDone()) {
 137                 Ctrl().PushState(new PerformAttacks(&battle, this));
 138         } else {
 139                 Ctrl().PushState(new SelectMoveAction(&battle, this));
 140         }
 141 }
 142
 143 void BattleState::OnPauseState(SDL_Surface *screen) {
 144
 145 }
 146
 147 void BattleState::HandleEvents(const Input &input) {
 148
 149 }
 150
 151 void BattleState::UpdateWorld(Uint32 deltaT) {
 152
 153 }
 154
 155 void BattleState::Render(SDL_Surface *screen) {
 156         assert(screen);
 157         RenderBackground(screen);
 158         RenderMonsters(screen);
 159 }
 160
 161 void BattleState::RenderBackground(SDL_Surface *screen) {
 162         assert(screen);
 163         // black for now
 164         SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
 165         SDL_Rect destRect;
 166         destRect.x = offset.X();
 167         destRect.y = offset.Y();
 168         destRect.w = background->w;
 169         destRect.h = background->h;
 170         SDL_BlitSurface(background, 0, screen, &destRect);
 171 }
 172
 173 void BattleState::RenderMonsters(SDL_Surface *screen) {
 174         assert(screen);
 175         for (vector<Monster>::size_type i(0), end(battle.NumMonsters()); i < end; ++i) {
 176                 if (battle.MonsterPositionOccupied(i)) {
 177                         Monster &monster(battle.MonsterAt(i));
 178                         if (monster.GetAnimation().Running()) {
 179                                 monster.GetAnimation().DrawCenter(screen, monster.Position() + offset);
 180                         } else {
 181                                 monster.Sprite()->DrawCenter(screen, monster.Position() + offset);
 182                         }
 183                 }
 184         }
 185 }
 186
 187 void BattleState::RenderHeroes(SDL_Surface *screen) {
 188         assert(screen);
 189         for (int i(0); i < NumHeroes(); ++i) {
 190                 Hero &hero(battle.HeroAt(i));
 191                 if (hero.GetAnimation().Running()) {
 192                         hero.GetAnimation().DrawCenter(screen, hero.Position() + offset);
 193                 } else {
 194                         int row(hero.Health() > 0 ? 0 : 2);
 195                         hero.Sprite()->DrawCenter(screen, hero.Position() + offset, 1, row);
 196                 }
 197         }
 198 }
 199
 200 void BattleState::RenderCapsule(SDL_Surface *screen) {
 201         const Capsule &capsule(battle.GetCapsule());
 202         if (!capsule.Active() || capsule.Health() <= 0) return;
 203         if (capsule.GetAnimation().Running()) {
 204                 capsule.GetAnimation().DrawCenter(screen, capsule.Position() + offset);
 205         } else {
 206                 capsule.Sprite()->DrawCenter(screen, capsule.Position() + offset);
 207         }
 208 }
 209
 210 void BattleState::RenderHeroTags(SDL_Surface *screen) {
 211         assert(screen);
 212         int tagHeight(attackTypeMenu.Height());
 213         int tagWidth(attackTypeMenu.Width() * 2 + attackTypeMenu.Width() / 2);
 214
 215         for (int i(0); i < battle.NumHeroes(); ++i) {
 216                 heroTags[i].Render(screen, tagWidth, tagHeight, heroTagPositions[i] + offset, battle.IsActiveHero(i));
 217         }
 218 }
 219
 220 void BattleState::RenderSmallHeroTags(SDL_Surface *screen) {
 221         assert(screen);
 222         int tagHeight(res->normalFont->CharHeight() * 4 + res->smallHeroTagFrame->BorderHeight() * 2);
 223         int tagWidth(res->normalFont->CharWidth() * 6 + res->smallHeroTagFrame->BorderWidth() * 2);
 224
 225         SDL_Rect rect;
 226         rect.x = offset.X();
 227         rect.y = offset.Y() + Height() - tagHeight;
 228         rect.w = Width();
 229         rect.h = tagHeight;
 230         SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, 0, 0, 0));
 231         rect.y += res->normalFont->CharHeight() / 8;
 232         rect.h -= res->normalFont->CharHeight() / 4;
 233         SDL_FillRect(screen, &rect, res->heroesBgColor.MapRGB(screen->format));
 234
 235         for (int i(0); i < battle.NumHeroes(); ++i) {
 236                 smallHeroTags[i].Render(screen, tagWidth, tagHeight, smallHeroTagPositions[i] + offset);
 237         }
 238 }
 239
 240 }