src/battle/BattleState.cpp

   1 #include "BattleState.h"
   2
   3 #include "PartyLayout.h"
   4 #include "states/DefeatState.h"
   5 #include "states/SelectMoveAction.h"
   6 #include "states/PerformAttacks.h"
   7 #include "states/VictoryState.h"
   8 #include "../app/Application.h"
   9 #include "../app/Input.h"
  10 #include "../common/GameState.h"
  11 #include "../common/Ikari.h"
  12 #include "../common/Inventory.h"
  13 #include "../common/Item.h"
  14 #include "../common/Spell.h"
  15 #include "../graphics/Frame.h"
  16 #include "../graphics/Sprite.h"
  17 #include "../math/Vector.h"
  18
  19 #include <algorithm>
  20 #include <cassert>
  21 #include <cstdlib>
  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 common::Stats;
  30 using math::Vector;
  31 using graphics::Menu;
  32
  33 using std::rand;
  34 using std::vector;
  35
  36 namespace battle {
  37
  38 void BattleState::AddMonster(const Monster &m) {
  39         battle.AddMonster(m);
  40 }
  41
  42 void BattleState::AddHero(const Hero &h) {
  43         battle.AddHero(h);
  44 }
  45
  46 void BattleState::SetCapsule(const Capsule &c) {
  47         battle.SetCapsule(c);
  48 }
  49
  50
  51 void BattleState::OnResize(int w, int h) {
  52         offset = Vector<int>(
  53                                 (w - background->w) / 2,
  54                                 (h - background->h) / 2);
  55 }
  56
  57
  58 void BattleState::OnEnterState(SDL_Surface *screen) {
  59         for (int i(0); i < 4; ++i) {
  60                 Hero &hero = HeroAt(i);
  61                 hero.Position() = battle.HeroesLayout().CalculatePosition(i, background->w, background->h);
  62                 hero.SpellMenu() = *res->spellMenuProperties;
  63                 hero.UpdateSpellMenu();
  64                 hero.IkariMenu() = *res->ikariMenuProperties;
  65                 hero.UpdateIkariMenu(res);
  66                 heroTags[i] = HeroTag(this, i);
  67                 smallHeroTags[i] = SmallHeroTag(this, i);
  68         }
  69
  70         battle.GetCapsule().Position() = battle.HeroesLayout().CalculatePosition(4, background->w, background->h);
  71
  72         for (int i(0); i < battle.NumMonsters(); ++i) {
  73                 MonsterAt(i).Position() = battle.MonstersLayout().CalculatePosition(i, background->w, background->h);
  74         }
  75
  76         int tagHeight(attackTypeMenu.Height());
  77         int tagWidth(attackTypeMenu.Width() * 2 + attackTypeMenu.Width() / 2);
  78         int xOffset((Width() - 2 * tagWidth) / 2);
  79         heroTagPositions[0] = Vector<int>(xOffset, Height() - 2 * tagHeight);
  80         heroTagPositions[1] = Vector<int>(xOffset + tagWidth, Height() - 2 * tagHeight);
  81         heroTagPositions[2] = Vector<int>(xOffset, Height() - tagHeight);
  82         heroTagPositions[3] = Vector<int>(xOffset + tagWidth, Height() - tagHeight);
  83
  84         tagHeight = res->normalFont->CharHeight() * 4 + res->smallHeroTagFrame->BorderHeight() * 2;
  85         tagWidth = res->normalFont->CharWidth() * 6 + res->smallHeroTagFrame->BorderWidth() * 2;
  86         xOffset = (Width() - 4 * tagWidth) / 2;
  87         int yOffset(Height() - tagHeight);
  88         smallHeroTagPositions[0] = Vector<int>(xOffset, yOffset);
  89         smallHeroTagPositions[1] = Vector<int>(xOffset + 2 * tagWidth, yOffset);
  90         smallHeroTagPositions[2] = Vector<int>(xOffset + tagWidth, yOffset);
  91         smallHeroTagPositions[3] = Vector<int>(xOffset + 3 * tagWidth, yOffset);
  92
  93         OnResize(screen->w, screen->h);
  94
  95         itemMenu = *res->itemMenuProperties;
  96         LoadInventory();
  97         battle.ClearAllAttacks();
  98 }
  99
 100 void BattleState::LoadInventory() {
 101         const Inventory &inv(game->state->inventory);
 102         itemMenu.Clear();
 103         itemMenu.Reserve(inv.MaxItems());
 104         for (int i(0); i < inv.MaxItems(); ++i) {
 105                 const Item *item(inv.ItemAt(i));
 106                 if (item) {
 107                         itemMenu.Add(item->Name(), item, item->CanUseInBattle(), item->MenuIcon(), inv.ItemCountAt(i));
 108                 } else {
 109                         itemMenu.AddEmptyEntry();
 110                 }
 111         }
 112 }
 113
 114 void BattleState::OnExitState(SDL_Surface *screen) {
 115
 116 }
 117
 118 void BattleState::OnResumeState(SDL_Surface *screen) {
 119         if (ranAway) {
 120                 Ctrl().PopState(); // quit the battle scene
 121                 return;
 122         }
 123         if (battle.Victory()) {
 124                 if (alreadyPushed) {
 125                         Ctrl().PopState();
 126                 } else {
 127                         Ctrl().PushState(new VictoryState(&battle, this));
 128                         alreadyPushed = true;
 129                 }
 130                 return;
 131         }
 132         if (battle.Defeat()) {
 133                 if (alreadyPushed) {
 134                         Ctrl().PopState();
 135                 } else {
 136                         Ctrl().PushState(new DefeatState(&battle, this));
 137                         alreadyPushed = true;
 138                 }
 139                 return;
 140         }
 141         // TODO: this should not push a state while quitting
 142         if (battle.AttackSelectionDone()) {
 143                 Ctrl().PushState(new PerformAttacks(&battle, this));
 144         } else {
 145                 Ctrl().PushState(new SelectMoveAction(&battle, this));
 146         }
 147 }
 148
 149 void BattleState::OnPauseState(SDL_Surface *screen) {
 150
 151 }
 152
 153 void BattleState::HandleEvents(const Input &input) {
 154
 155 }
 156
 157 void BattleState::UpdateWorld(Uint32 deltaT) {
 158
 159 }
 160
 161 void BattleState::Render(SDL_Surface *screen) {
 162         assert(screen);
 163         RenderBackground(screen);
 164         RenderMonsters(screen);
 165 }
 166
 167 void BattleState::RenderBackground(SDL_Surface *screen) {
 168         assert(screen);
 169         // black for now
 170         SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
 171         SDL_Rect destRect;
 172         destRect.x = offset.X();
 173         destRect.y = offset.Y();
 174         destRect.w = background->w;
 175         destRect.h = background->h;
 176         SDL_BlitSurface(background, 0, screen, &destRect);
 177 }
 178
 179 void BattleState::RenderMonsters(SDL_Surface *screen) {
 180         assert(screen);
 181         for (vector<Monster>::size_type i(0), end(battle.NumMonsters()); i < end; ++i) {
 182                 if (battle.MonsterPositionOccupied(i)) {
 183                         Monster &monster(battle.MonsterAt(i));
 184                         if (monster.GetAnimation().Running()) {
 185                                 monster.GetAnimation().DrawCenter(screen, monster.Position() + offset);
 186                         } else {
 187                                 monster.Sprite()->DrawCenter(screen, monster.Position() + offset);
 188                         }
 189                 }
 190         }
 191 }
 192
 193 void BattleState::RenderHeroes(SDL_Surface *screen) {
 194         assert(screen);
 195         for (int i(0); i < NumHeroes(); ++i) {
 196                 Hero &hero(battle.HeroAt(i));
 197                 if (hero.GetAnimation().Running()) {
 198                         hero.GetAnimation().DrawCenter(screen, hero.Position() + offset);
 199                 } else {
 200                         int row(hero.Health() > 0 ? 0 : 2);
 201                         hero.Sprite()->DrawCenter(screen, hero.Position() + offset, 1, row);
 202                 }
 203         }
 204 }
 205
 206 void BattleState::RenderCapsule(SDL_Surface *screen) {
 207         const Capsule &capsule(battle.GetCapsule());
 208         if (!capsule.Active() || capsule.Health() <= 0) return;
 209         if (capsule.GetAnimation().Running()) {
 210                 capsule.GetAnimation().DrawCenter(screen, capsule.Position() + offset);
 211         } else {
 212                 capsule.Sprite()->DrawCenter(screen, capsule.Position() + offset);
 213         }
 214 }
 215
 216 void BattleState::RenderHeroTags(SDL_Surface *screen) {
 217         assert(screen);
 218         int tagHeight(attackTypeMenu.Height());
 219         int tagWidth(attackTypeMenu.Width() * 2 + attackTypeMenu.Width() / 2);
 220
 221         for (int i(0); i < battle.NumHeroes(); ++i) {
 222                 heroTags[i].Render(screen, tagWidth, tagHeight, heroTagPositions[i] + offset, battle.IsActiveHero(i));
 223         }
 224 }
 225
 226 void BattleState::RenderSmallHeroTags(SDL_Surface *screen) {
 227         assert(screen);
 228         int tagHeight(res->normalFont->CharHeight() * 4 + res->smallHeroTagFrame->BorderHeight() * 2);
 229         int tagWidth(res->normalFont->CharWidth() * 6 + res->smallHeroTagFrame->BorderWidth() * 2);
 230
 231         SDL_Rect rect;
 232         rect.x = offset.X();
 233         rect.y = offset.Y() + Height() - tagHeight;
 234         rect.w = Width();
 235         rect.h = tagHeight;
 236         SDL_FillRect(screen, &rect, SDL_MapRGB(screen->format, 0, 0, 0));
 237         rect.y += res->normalFont->CharHeight() / 8;
 238         rect.h -= res->normalFont->CharHeight() / 4;
 239         SDL_FillRect(screen, &rect, res->heroesBgColor.MapRGB(screen->format));
 240
 241         for (int i(0); i < battle.NumHeroes(); ++i) {
 242                 smallHeroTags[i].Render(screen, tagWidth, tagHeight, smallHeroTagPositions[i] + offset);
 243         }
 244 }
 245
 246 }