src/battle/states/PerformAttacks.cpp

   1 /*
   2  * PerformAttacks.cpp
   3  *
   4  *  Created on: Aug 10, 2012
   5  *      Author: holy
   6  */
   7
   8 #include "PerformAttacks.h"
   9
  10 #include "../BattleState.h"
  11 #include "../Hero.h"
  12 #include "../Monster.h"
  13 #include "../../app/Application.h"
  14 #include "../../app/Input.h"
  15 #include "../../common/Ikari.h"
  16 #include "../../common/Item.h"
  17 #include "../../common/Spell.h"
  18 #include "../../geometry/operators.h"
  19 #include "../../geometry/Point.h"
  20 #include "../../graphics/Animation.h"
  21 #include "../../graphics/Font.h"
  22 #include "../../graphics/Frame.h"
  23
  24 #include <cstring>
  25
  26 using app::Application;
  27 using app::Input;
  28 using geometry::Point;
  29 using geometry::Vector;
  30 using graphics::AnimationRunner;
  31 using std::vector;
  32
  33 namespace battle {
  34
  35 void PerformAttacks::EnterState(Application &c, SDL_Surface *screen) {
  36         ctrl = &c;
  37         battle->CalculateAttackOrder();
  38         numberAnimation.reserve(battle->MaxMonsters() > battle->NumHeroes() + 1 ? battle->MaxMonsters() : battle->NumHeroes() + 1);
  39         numberPosition.reserve(numberAnimation.size());
  40 }
  41
  42 void PerformAttacks::ExitState(Application &c, SDL_Surface *screen) {
  43         battle->ClearAllAttacks();
  44         ctrl = 0;
  45 }
  46
  47 void PerformAttacks::ResumeState(Application &ctrl, SDL_Surface *screen) {
  48
  49 }
  50
  51 void PerformAttacks::PauseState(Application &ctrl, SDL_Surface *screen) {
  52
  53 }
  54
  55
  56 void PerformAttacks::Resize(int width, int height) {
  57
  58 }
  59
  60
  61 void PerformAttacks::HandleEvents(const Input &input) {
  62         CheckAnimations();
  63         if (HasAnimationsRunning()) return;
  64         ResetAnimation();
  65         battle->ApplyDamage();
  66         battle->NextAttack();
  67         if (battle->AttacksFinished()) {
  68                 ctrl->PopState();
  69                 return;
  70         }
  71
  72         battle->CalculateDamage();
  73
  74         if (battle->CurrentAttack().isMonster) {
  75                 Monster &monster(battle->MonsterAt(battle->CurrentAttack().index));
  76                 titleBarText = monster.Name();
  77                 targetAnimation = AnimationRunner(monster.MeleeAnimation());
  78                 moveAnimation = AnimationRunner(monster.AttackAnimation());
  79                 monster.SetAnimation(moveAnimation);
  80                 AddNumberAnimations(battle->MonsterAttackChoiceAt(battle->CurrentAttack().index).Selection());
  81         } else {
  82                 Hero &hero(battle->HeroAt(battle->CurrentAttack().index));
  83                 const AttackChoice &ac(battle->AttackChoiceAt(battle->CurrentAttack().index));
  84
  85                 switch (ac.GetType()) {
  86                         case AttackChoice::SWORD:
  87                                 if (hero.HasWeapon()) {
  88                                         titleBarText = hero.Weapon()->Name();
  89                                         targetAnimation = AnimationRunner(hero.Weapon()->AttackAnimation());
  90                                 } else {
  91                                         titleBarText = "Melee attack!";
  92                                         targetAnimation = AnimationRunner(hero.MeleeAnimation());
  93                                 }
  94                                 moveAnimation = AnimationRunner(hero.AttackAnimation());
  95                                 AddNumberAnimations(ac.Selection());
  96                                 break;
  97                         case AttackChoice::MAGIC:
  98                                 titleBarText = ac.GetSpell()->Name();
  99                                 moveAnimation = AnimationRunner(hero.SpellAnimation());
 100                                 break;
 101                         case AttackChoice::DEFEND:
 102                                 titleBarText = "Defends.";
 103                                 moveAnimation.Clear();
 104                                 break;
 105                         case AttackChoice::IKARI:
 106                                 if (ac.GetItem()->HasIkari()) {
 107                                         titleBarText = ac.GetItem()->GetIkari()->Name();
 108                                         if (ac.GetItem()->GetIkari()->IsMagical()) {
 109                                                 moveAnimation = AnimationRunner(hero.SpellAnimation());
 110                                         } else {
 111                                                 moveAnimation = AnimationRunner(hero.AttackAnimation());
 112                                         }
 113                                 }
 114                                 break;
 115                         case AttackChoice::ITEM:
 116                                 titleBarText = ac.GetItem()->Name();
 117                                 moveAnimation.Clear();
 118                                 break;
 119                         case AttackChoice::UNDECIDED:
 120                                 titleBarText = "UNDECIDED";
 121                                 moveAnimation.Clear();
 122                                 break;
 123                 }
 124                 hero.SetAnimation(moveAnimation);
 125         }
 126
 127         if (titleBarText) titleBarTimer = GraphicsTimers().StartCountdown(850);
 128         if (moveAnimation.Valid()) moveAnimation.Start(*this);
 129         if (targetAnimation.Valid()) {
 130                 targetAnimationTimer = GraphicsTimers().StartCountdown(150);
 131         } else {
 132                 targetAnimationTimer.Clear();
 133         }
 134 }
 135
 136 void PerformAttacks::AddNumberAnimations(const TargetSelection &ts) {
 137         if (ts.TargetsEnemies()) {
 138                 for (int i(0); i < battle->MaxMonsters(); ++i) {
 139                         if (ts.IsBad(i)) {
 140                                 numberAnimation.push_back(NumberAnimation(ts.GetAmount(i), battle->Res().numberAnimationPrototype, battle->Res().bigNumberSprite));
 141                                 numberPosition.push_back(
 142                                                 battle->MonsterPositions()[i]);
 143                         } else if (ts.IsGood(i)) {
 144                                 numberAnimation.push_back(NumberAnimation(ts.GetAmount(i), battle->Res().numberAnimationPrototype, battle->Res().greenNumberSprite));
 145                                 numberPosition.push_back(
 146                                                 battle->MonsterPositions()[i]);
 147                         }
 148                 }
 149         } else {
 150                 for (int i(0); i < battle->NumHeroes(); ++i) {
 151                         if (ts.IsBad(i)) {
 152                                 numberAnimation.push_back(NumberAnimation(ts.GetAmount(i), battle->Res().numberAnimationPrototype, battle->Res().bigNumberSprite));
 153                                 numberPosition.push_back(
 154                                                 battle->HeroesPositions()[i]);
 155                         } else if (ts.IsGood(i)) {
 156                                 numberAnimation.push_back(NumberAnimation(ts.GetAmount(i), battle->Res().numberAnimationPrototype, battle->Res().greenNumberSprite));
 157                                 numberPosition.push_back(
 158                                                 battle->HeroesPositions()[i]);
 159                         }
 160                 }
 161         }
 162 }
 163
 164 void PerformAttacks::CheckAnimations() {
 165         if (targetAnimation.Valid() && targetAnimationTimer.JustHit()) {
 166                 targetAnimation.Start(*this);
 167         }
 168         if (moveAnimation.Valid() && !moveAnimation.Finished()) return;
 169         if (targetAnimation.Valid() && !targetAnimation.Finished()) return;
 170         if (moveAnimation.Valid() || targetAnimation.Valid()) {
 171                 moveAnimation.Clear();
 172                 targetAnimation.Clear();
 173                 for (vector<NumberAnimation>::iterator i(numberAnimation.begin()), end(numberAnimation.end()); i != end; ++i) {
 174                         i->Start(*this);
 175                 }
 176         } else {
 177                 for (vector<NumberAnimation>::iterator i(numberAnimation.begin()), end(numberAnimation.end()); i != end; ++i) {
 178                         i->CheckTimers(*this);
 179                 }
 180         }
 181 }
 182
 183 bool PerformAttacks::HasAnimationsRunning() const {
 184         if (titleBarTimer.Running()) return true;
 185         if (moveAnimation.Valid() && moveAnimation.Running()) return true;
 186         if (targetAnimation.Valid() && targetAnimation.Running()) return true;
 187         for (vector<NumberAnimation>::const_iterator i(numberAnimation.begin()), end(numberAnimation.end()); i != end; ++i) {
 188                 if (i->Running()) return true;
 189         }
 190         return false;
 191 }
 192
 193 void PerformAttacks::ResetAnimation() {
 194         if (moveAnimation.Valid()) {
 195                 moveAnimation.Clear();
 196                 if (!battle->CurrentAttack().isMonster) {
 197                         battle->HeroAt(battle->CurrentAttack().index).GetAnimation().Clear();
 198                 }
 199         }
 200         if (targetAnimation.Valid()) {
 201                 targetAnimation.Clear();
 202         }
 203         titleBarTimer.Clear();
 204         numberAnimation.clear();
 205         numberPosition.clear();
 206 }
 207
 208
 209 void PerformAttacks::UpdateWorld(float deltaT) {
 210
 211 }
 212
 213 void PerformAttacks::Render(SDL_Surface *screen) {
 214         Vector<int> offset(battle->CalculateScreenOffset(screen));
 215         battle->RenderBackground(screen, offset);
 216         battle->RenderMonsters(screen, offset);
 217         battle->RenderHeroes(screen, offset);
 218         battle->RenderSmallHeroTags(screen, offset);
 219         RenderTitleBar(screen, offset);
 220         RenderNumbers(screen, offset);
 221         RenderTargetAnimation(screen, offset);
 222 }
 223
 224 void PerformAttacks::RenderTitleBar(SDL_Surface *screen, const Vector<int> &offset) const {
 225         if (!titleBarText || !titleBarTimer.Running()) return;
 226
 227         int height(battle->Res().titleFrame->BorderHeight() * 2 + battle->Res().titleFont->CharHeight());
 228         battle->Res().titleFrame->Draw(screen, Point<int>(offset.X(), offset.Y()), battle->Width(), height);
 229
 230         Point<int> textPosition(
 231                         (battle->Width() - (std::strlen(titleBarText) * battle->Res().titleFont->CharWidth())) / 2,
 232                         battle->Res().titleFrame->BorderHeight());
 233         battle->Res().titleFont->DrawString(titleBarText, screen, textPosition + offset);
 234 }
 235
 236 void PerformAttacks::RenderNumbers(SDL_Surface *screen, const Vector<int> &offset) const {
 237         for (vector<NumberAnimation>::size_type i(0), end(numberAnimation.size()); i < end; ++i) {
 238                 if (numberAnimation[i].Running()) {
 239                         Vector<int> align(numberAnimation[i].Width() / -2, numberAnimation[i].Height() * -3 / 4);
 240                         numberAnimation[i].Draw(screen, numberPosition[i] + align + offset);
 241                 }
 242         }
 243 }
 244
 245 void PerformAttacks::RenderTargetAnimation(SDL_Surface *screen, const geometry::Vector<int> &offset) const {
 246         if (!targetAnimation.Valid() || !targetAnimation.Running()) return;
 247         const TargetSelection &ts(battle->CurrentAttackAttackChoice().Selection());
 248         const vector<Point<int> > &positions(ts.TargetsHeroes() ? battle->HeroesPositions() : battle->MonsterPositions());
 249         for (vector<Point<int> >::size_type i(0), end(positions.size()); i < end; ++i) {
 250                 if (ts.IsSelected(i)) {
 251                         targetAnimation.DrawCenter(screen, positions[i] + offset);
 252                 }
 253         }
 254 }
 255
 256 }