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 std::vector;
  31
  32 namespace battle {
  33
  34 void PerformAttacks::EnterState(Application &c, SDL_Surface *screen) {
  35         ctrl = &c;
  36         battle->CalculateAttackOrder();
  37         numberAnimation.reserve(battle->MaxMonsters() > battle->NumHeroes() + 1 ? battle->MaxMonsters() : battle->NumHeroes() + 1);
  38         numberPosition.reserve(numberAnimation.size());
  39 }
  40
  41 void PerformAttacks::ExitState(Application &c, SDL_Surface *screen) {
  42         battle->ClearAllAttacks();
  43         ctrl = 0;
  44 }
  45
  46 void PerformAttacks::ResumeState(Application &ctrl, SDL_Surface *screen) {
  47
  48 }
  49
  50 void PerformAttacks::PauseState(Application &ctrl, SDL_Surface *screen) {
  51
  52 }
  53
  54
  55 void PerformAttacks::Resize(int width, int height) {
  56
  57 }
  58
  59
  60 void PerformAttacks::HandleEvents(const Input &input) {
  61         CheckAnimations();
  62         if (HasAnimationsRunning()) return;
  63         ResetAnimation();
  64         battle->ApplyDamage();
  65         battle->NextAttack();
  66         if (battle->AttacksFinished()) {
  67                 ctrl->PopState();
  68                 return;
  69         }
  70
  71         battle->CalculateDamage();
  72
  73         if (battle->CurrentAttack().isMonster) {
  74                 Monster &monster(battle->MonsterAt(battle->CurrentAttack().index));
  75                 titleBarText = monster.Name();
  76                 moveAnimation = monster.AttackAnimation();
  77         } else {
  78                 Hero &hero(battle->HeroAt(battle->CurrentAttack().index));
  79                 const AttackChoice &ac(battle->AttackChoiceAt(battle->CurrentAttack().index));
  80
  81                 switch (ac.GetType()) {
  82                         case AttackChoice::SWORD:
  83                                 if (hero.HasWeapon()) {
  84                                         titleBarText = hero.Weapon()->Name();
  85                                         targetAnimation = hero.Weapon()->AttackAnimation();
  86                                 } else {
  87                                         titleBarText = "Melee attack!";
  88                                         targetAnimation = hero.MeleeAnimation();
  89                                 }
  90                                 moveAnimation = hero.AttackAnimation();
  91
  92                                 if (ac.Selection().TargetsEnemies()) {
  93                                         for (int i(0); i < battle->MaxMonsters(); ++i) {
  94                                                 if (ac.Selection().IsSelected(i)) {
  95                                                         numberAnimation.push_back(NumberAnimation(ac.Selection().GetAmount(i), battle->Res().numberAnimationPrototype, battle->Res().bigNumberSprite));
  96                                                         numberPosition.push_back(
  97                                                                         battle->MonsterPositions()[i]);
  98                                                 }
  99                                         }
 100                                 } else {
 101                                         for (int i(0); i < battle->NumHeroes(); ++i) {
 102                                                 if (ac.Selection().IsSelected(i)) {
 103                                                         numberAnimation.push_back(NumberAnimation(ac.Selection().GetAmount(i), battle->Res().numberAnimationPrototype, battle->Res().bigNumberSprite));
 104                                                         numberPosition.push_back(
 105                                                                         battle->HeroesPositions()[i]);
 106                                                 }
 107                                         }
 108                                 }
 109                                 break;
 110                         case AttackChoice::MAGIC:
 111                                 titleBarText = ac.GetSpell()->Name();
 112                                 moveAnimation = hero.SpellAnimation();
 113                                 break;
 114                         case AttackChoice::DEFEND:
 115                                 titleBarText = "Defends.";
 116                                 moveAnimation = 0;
 117                                 break;
 118                         case AttackChoice::IKARI:
 119                                 if (ac.GetItem()->HasIkari()) {
 120                                         titleBarText = ac.GetItem()->GetIkari()->Name();
 121                                         if (ac.GetItem()->GetIkari()->IsMagical()) {
 122                                                 moveAnimation = hero.SpellAnimation();
 123                                         } else {
 124                                                 moveAnimation = hero.AttackAnimation();
 125                                         }
 126                                 }
 127                                 break;
 128                         case AttackChoice::ITEM:
 129                                 titleBarText = ac.GetItem()->Name();
 130                                 moveAnimation = 0;
 131                                 break;
 132                         case AttackChoice::UNDECIDED:
 133                                 titleBarText = "UNDECIDED";
 134                                 moveAnimation = 0;
 135                                 break;
 136                 }
 137         }
 138
 139         if (titleBarText) titleBarTimer = GraphicsTimers().StartCountdown(1500);
 140         if (moveAnimation) moveAnimation->Start(*this);
 141         if (targetAnimation) {
 142                 targetAnimationTimer = GraphicsTimers().StartCountdown(150);
 143         } else {
 144                 targetAnimationTimer.Clear();
 145         }
 146 }
 147
 148 void PerformAttacks::CheckAnimations() {
 149         if (targetAnimation && targetAnimationTimer.JustHit()) {
 150                 targetAnimation->Start(*this);
 151         }
 152         if (moveAnimation && !moveAnimation->Finished()) return;
 153         if (targetAnimation && !targetAnimation->Finished()) return;
 154         if (moveAnimation || targetAnimation) {
 155                 moveAnimation = 0;
 156                 targetAnimation = 0;
 157                 for (vector<NumberAnimation>::iterator i(numberAnimation.begin()), end(numberAnimation.end()); i != end; ++i) {
 158                         i->Start(*this);
 159                 }
 160         } else {
 161                 for (vector<NumberAnimation>::iterator i(numberAnimation.begin()), end(numberAnimation.end()); i != end; ++i) {
 162                         i->CheckTimers(*this);
 163                 }
 164         }
 165 }
 166
 167 bool PerformAttacks::HasAnimationsRunning() const {
 168         if (titleBarTimer.Running()) return true;
 169         if (moveAnimation && moveAnimation->Running()) return true;
 170         if (targetAnimation && targetAnimation->Running()) return true;
 171         for (vector<NumberAnimation>::const_iterator i(numberAnimation.begin()), end(numberAnimation.end()); i != end; ++i) {
 172                 if (i->Running()) return true;
 173         }
 174         return false;
 175 }
 176
 177 void PerformAttacks::ResetAnimation() {
 178         if (moveAnimation) {
 179                 moveAnimation->Stop();
 180                 moveAnimation = 0;
 181         }
 182         if (targetAnimation) {
 183                 targetAnimation->Stop();
 184                 targetAnimation = 0;
 185         }
 186         titleBarTimer.Clear();
 187         numberAnimation.clear();
 188         numberPosition.clear();
 189 }
 190
 191
 192 void PerformAttacks::UpdateWorld(float deltaT) {
 193
 194 }
 195
 196 void PerformAttacks::Render(SDL_Surface *screen) {
 197         Vector<int> offset(battle->CalculateScreenOffset(screen));
 198         battle->RenderBackground(screen, offset);
 199         battle->RenderMonsters(screen, offset);
 200         battle->RenderHeroes(screen, offset);
 201         battle->RenderSmallHeroTags(screen, offset);
 202         RenderTitleBar(screen, offset);
 203         RenderNumbers(screen, offset);
 204         RenderTargetAnimation(screen, offset);
 205 }
 206
 207 void PerformAttacks::RenderTitleBar(SDL_Surface *screen, const Vector<int> &offset) const {
 208         if (!titleBarText || !titleBarTimer.Running()) return;
 209
 210         int height(battle->Res().titleFrame->BorderHeight() * 2 + battle->Res().titleFont->CharHeight());
 211         battle->Res().titleFrame->Draw(screen, Point<int>(offset.X(), offset.Y()), battle->Width(), height);
 212
 213         Point<int> textPosition(
 214                         (battle->Width() - (std::strlen(titleBarText) * battle->Res().titleFont->CharWidth())) / 2,
 215                         battle->Res().titleFrame->BorderHeight());
 216         battle->Res().titleFont->DrawString(titleBarText, screen, textPosition + offset);
 217 }
 218
 219 void PerformAttacks::RenderNumbers(SDL_Surface *screen, const Vector<int> &offset) const {
 220         for (vector<NumberAnimation>::size_type i(0), end(numberAnimation.size()); i < end; ++i) {
 221                 if (numberAnimation[i].Running()) {
 222                         Vector<int> align(numberAnimation[i].Width() / -2, numberAnimation[i].Height() * -3 / 4);
 223                         numberAnimation[i].Draw(screen, numberPosition[i] + align + offset);
 224                 }
 225         }
 226 }
 227
 228 void PerformAttacks::RenderTargetAnimation(SDL_Surface *screen, const geometry::Vector<int> &offset) const {
 229         if (!targetAnimation || !targetAnimation->Running()) return;
 230         if (battle->CurrentAttack().isMonster) return; // no monsters for now
 231         const TargetSelection &ts(battle->AttackChoiceAt(battle->CurrentAttack().index).Selection());
 232         const vector<Point<int> > &positions(ts.TargetsHeroes() ? battle->HeroesPositions() : battle->MonsterPositions());
 233         for (vector<Point<int> >::size_type i(0), end(positions.size()); i < end; ++i) {
 234                 if (ts.IsSelected(i)) {
 235                         targetAnimation->DrawCenter(screen, positions[i] + offset);
 236                 }
 237         }
 238 }
 239
 240 }