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->MonsterAt(battle->CurrentAttack().index).GetAttackChoice().Selection());
  81         } else {
  82                 Hero &hero(battle->HeroAt(battle->CurrentAttack().index));
  83                 const AttackChoice &ac(battle->HeroAt(battle->CurrentAttack().index).GetAttackChoice());
  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         }
 125
 126         if (titleBarText) titleBarTimer = GraphicsTimers().StartCountdown(850);
 127         if (moveAnimation.Valid()) {
 128                 moveAnimation.Start(*this);
 129                 if (battle->CurrentAttack().isMonster) {
 130                         battle->MonsterAt(battle->CurrentAttack().index).SetAnimation(moveAnimation);
 131                 } else {
 132                         battle->HeroAt(battle->CurrentAttack().index).SetAnimation(moveAnimation);
 133                 }
 134         }
 135         if (targetAnimation.Valid()) {
 136                 targetAnimationTimer = GraphicsTimers().StartCountdown(150);
 137         } else {
 138                 targetAnimationTimer.Clear();
 139         }
 140 }
 141
 142 void PerformAttacks::AddNumberAnimations(const TargetSelection &ts) {
 143         if (ts.TargetsEnemies()) {
 144                 for (int i(0); i < battle->MaxMonsters(); ++i) {
 145                         if (ts.IsBad(i)) {
 146                                 numberAnimation.push_back(NumberAnimation(ts.GetAmount(i), battle->Res().numberAnimationPrototype, battle->Res().bigNumberSprite));
 147                                 numberPosition.push_back(
 148                                                 battle->MonsterPositions()[i]);
 149                         } else if (ts.IsGood(i)) {
 150                                 numberAnimation.push_back(NumberAnimation(ts.GetAmount(i), battle->Res().numberAnimationPrototype, battle->Res().greenNumberSprite));
 151                                 numberPosition.push_back(
 152                                                 battle->MonsterPositions()[i]);
 153                         }
 154                 }
 155         } else {
 156                 for (int i(0); i < battle->NumHeroes(); ++i) {
 157                         if (ts.IsBad(i)) {
 158                                 numberAnimation.push_back(NumberAnimation(ts.GetAmount(i), battle->Res().numberAnimationPrototype, battle->Res().bigNumberSprite));
 159                                 numberPosition.push_back(
 160                                                 battle->HeroesPositions()[i]);
 161                         } else if (ts.IsGood(i)) {
 162                                 numberAnimation.push_back(NumberAnimation(ts.GetAmount(i), battle->Res().numberAnimationPrototype, battle->Res().greenNumberSprite));
 163                                 numberPosition.push_back(
 164                                                 battle->HeroesPositions()[i]);
 165                         }
 166                 }
 167         }
 168 }
 169
 170 void PerformAttacks::CheckAnimations() {
 171         if (targetAnimation.Valid() && targetAnimationTimer.JustHit()) {
 172                 targetAnimation.Start(*this);
 173         }
 174         if (moveAnimation.Valid() && !moveAnimation.Finished()) return;
 175         if (targetAnimation.Valid() && !targetAnimation.Finished()) return;
 176         if (moveAnimation.Valid() || targetAnimation.Valid()) {
 177                 moveAnimation.Clear();
 178                 targetAnimation.Clear();
 179                 for (vector<NumberAnimation>::iterator i(numberAnimation.begin()), end(numberAnimation.end()); i != end; ++i) {
 180                         i->Start(*this);
 181                 }
 182         } else {
 183                 for (vector<NumberAnimation>::iterator i(numberAnimation.begin()), end(numberAnimation.end()); i != end; ++i) {
 184                         i->CheckTimers(*this);
 185                 }
 186         }
 187 }
 188
 189 bool PerformAttacks::HasAnimationsRunning() const {
 190         if (titleBarTimer.Running()) return true;
 191         if (moveAnimation.Valid() && moveAnimation.Running()) return true;
 192         if (targetAnimation.Valid() && targetAnimation.Running()) return true;
 193         for (vector<NumberAnimation>::const_iterator i(numberAnimation.begin()), end(numberAnimation.end()); i != end; ++i) {
 194                 if (i->Running()) return true;
 195         }
 196         return false;
 197 }
 198
 199 void PerformAttacks::ResetAnimation() {
 200         if (moveAnimation.Valid()) {
 201                 moveAnimation.Clear();
 202                 if (!battle->CurrentAttack().isMonster) {
 203                         battle->HeroAt(battle->CurrentAttack().index).GetAnimation().Clear();
 204                 }
 205         }
 206         if (targetAnimation.Valid()) {
 207                 targetAnimation.Clear();
 208         }
 209         titleBarTimer.Clear();
 210         numberAnimation.clear();
 211         numberPosition.clear();
 212 }
 213
 214
 215 void PerformAttacks::UpdateWorld(float deltaT) {
 216
 217 }
 218
 219 void PerformAttacks::Render(SDL_Surface *screen) {
 220         Vector<int> offset(battle->CalculateScreenOffset(screen));
 221         battle->RenderBackground(screen, offset);
 222         battle->RenderMonsters(screen, offset);
 223         battle->RenderHeroes(screen, offset);
 224         battle->RenderSmallHeroTags(screen, offset);
 225         RenderTitleBar(screen, offset);
 226         RenderNumbers(screen, offset);
 227         RenderTargetAnimation(screen, offset);
 228 }
 229
 230 void PerformAttacks::RenderTitleBar(SDL_Surface *screen, const Vector<int> &offset) const {
 231         if (!titleBarText || !titleBarTimer.Running()) return;
 232
 233         int height(battle->Res().titleFrame->BorderHeight() * 2 + battle->Res().titleFont->CharHeight());
 234         battle->Res().titleFrame->Draw(screen, Point<int>(offset.X(), offset.Y()), battle->Width(), height);
 235
 236         Point<int> textPosition(
 237                         (battle->Width() - (std::strlen(titleBarText) * battle->Res().titleFont->CharWidth())) / 2,
 238                         battle->Res().titleFrame->BorderHeight());
 239         battle->Res().titleFont->DrawString(titleBarText, screen, textPosition + offset);
 240 }
 241
 242 void PerformAttacks::RenderNumbers(SDL_Surface *screen, const Vector<int> &offset) const {
 243         for (vector<NumberAnimation>::size_type i(0), end(numberAnimation.size()); i < end; ++i) {
 244                 if (numberAnimation[i].Running()) {
 245                         Vector<int> align(numberAnimation[i].Width() / -2, numberAnimation[i].Height() * -3 / 4);
 246                         numberAnimation[i].Draw(screen, numberPosition[i] + align + offset);
 247                 }
 248         }
 249 }
 250
 251 void PerformAttacks::RenderTargetAnimation(SDL_Surface *screen, const geometry::Vector<int> &offset) const {
 252         if (!targetAnimation.Valid() || !targetAnimation.Running()) return;
 253         const TargetSelection &ts(battle->CurrentAttackAttackChoice().Selection());
 254         const vector<Point<int> > &positions(ts.TargetsHeroes() ? battle->HeroesPositions() : battle->MonsterPositions());
 255         for (vector<Point<int> >::size_type i(0), end(positions.size()); i < end; ++i) {
 256                 if (ts.IsSelected(i)) {
 257                         targetAnimation.DrawCenter(screen, positions[i] + offset);
 258                 }
 259         }
 260 }
 261
 262 }