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