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->WriteOrder(order);
  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         ctrl = 0;
  43 }
  44
  45 void PerformAttacks::ResumeState(Application &ctrl, SDL_Surface *screen) {
  46
  47 }
  48
  49 void PerformAttacks::PauseState(Application &ctrl, SDL_Surface *screen) {
  50
  51 }
  52
  53
  54 void PerformAttacks::Resize(int width, int height) {
  55
  56 }
  57
  58
  59 void PerformAttacks::HandleEvents(const Input &input) {
  60         CheckAnimations();
  61         if (HasAnimationsRunning()) return;
  62         ResetAnimation();
  63         AdvanceCursor();
  64         if (Finished()) {
  65                 battle->ClearAllAttacks();
  66                 ctrl->PopState();
  67                 return;
  68         }
  69
  70         if (order[cursor].isMonster) {
  71                 const Monster &monster(battle->MonsterAt(order[cursor].index));
  72                 titleBarText = monster.Name();
  73                 moveAnimation = 0;
  74         } else {
  75                 Hero &hero(battle->HeroAt(order[cursor].index));
  76                 const AttackChoice &ac(battle->AttackChoiceAt(order[cursor].index));
  77
  78                 switch (ac.GetType()) {
  79                         case AttackChoice::SWORD:
  80                                 if (hero.HasWeapon()) {
  81                                         titleBarText = hero.Weapon()->Name();
  82                                         targetAnimation = hero.Weapon()->AttackAnimation();
  83                                 } else {
  84                                         titleBarText = "Melee attack!";
  85                                         targetAnimation = hero.MeleeAnimation();
  86                                 }
  87                                 moveAnimation = hero.AttackAnimation();
  88
  89                                 numberAnimation.push_back(NumberAnimation(15, battle->Res().numberAnimationPrototype, battle->Res().bigNumberSprite));
  90                                 if (ac.Selection().TargetsEnemies()) {
  91                                         numberPosition.push_back(
  92                                                         battle->MonsterPositions()[ac.Selection().SingleSelection()]);
  93                                 } else {
  94                                         numberPosition.push_back(
  95                                                         battle->HeroesPositions()[ac.Selection().SingleSelection()]);
  96                                 }
  97                                 break;
  98                         case AttackChoice::MAGIC:
  99                                 titleBarText = ac.GetSpell()->Name();
 100                                 moveAnimation = hero.SpellAnimation();
 101                                 break;
 102                         case AttackChoice::DEFEND:
 103                                 titleBarText = "Defends.";
 104                                 moveAnimation = 0;
 105                                 break;
 106                         case AttackChoice::IKARI:
 107                                 if (ac.GetItem()->HasIkari()) {
 108                                         titleBarText = ac.GetItem()->GetIkari()->Name();
 109                                         if (ac.GetItem()->GetIkari()->IsMagical()) {
 110                                                 moveAnimation = hero.SpellAnimation();
 111                                         } else {
 112                                                 moveAnimation = hero.AttackAnimation();
 113                                         }
 114                                 }
 115                                 break;
 116                         case AttackChoice::ITEM:
 117                                 titleBarText = ac.GetItem()->Name();
 118                                 moveAnimation = 0;
 119                                 break;
 120                         case AttackChoice::UNDECIDED:
 121                                 titleBarText = "UNDECIDED";
 122                                 moveAnimation = 0;
 123                                 break;
 124                 }
 125         }
 126
 127         if (titleBarText) titleBarTimer = GraphicsTimers().StartCountdown(1500);
 128         if (moveAnimation) moveAnimation->Start(*this);
 129         if (targetAnimation) {
 130                 targetAnimationTimer = GraphicsTimers().StartCountdown(150);
 131         } else {
 132                 targetAnimationTimer.Clear();
 133         }
 134 }
 135
 136 void PerformAttacks::CheckAnimations() {
 137         if (targetAnimation && targetAnimationTimer.JustHit()) {
 138                 targetAnimation->Start(*this);
 139         }
 140         if (moveAnimation && !moveAnimation->Finished()) return;
 141         if (targetAnimation && !targetAnimation->Finished()) return;
 142         if (moveAnimation || targetAnimation) {
 143                 moveAnimation = 0;
 144                 targetAnimation = 0;
 145                 for (vector<NumberAnimation>::iterator i(numberAnimation.begin()), end(numberAnimation.end()); i != end; ++i) {
 146                         i->Start(*this);
 147                 }
 148         } else {
 149                 for (vector<NumberAnimation>::iterator i(numberAnimation.begin()), end(numberAnimation.end()); i != end; ++i) {
 150                         i->CheckTimers(*this);
 151                 }
 152         }
 153 }
 154
 155 bool PerformAttacks::HasAnimationsRunning() const {
 156         if (titleBarTimer.Running()) return true;
 157         if (moveAnimation && moveAnimation->Running()) return true;
 158         if (targetAnimation && targetAnimation->Running()) return true;
 159         for (vector<NumberAnimation>::const_iterator i(numberAnimation.begin()), end(numberAnimation.end()); i != end; ++i) {
 160                 if (i->Running()) return true;
 161         }
 162         return false;
 163 }
 164
 165 void PerformAttacks::ResetAnimation() {
 166         if (moveAnimation) {
 167                 moveAnimation->Stop();
 168                 moveAnimation = 0;
 169         }
 170         if (targetAnimation) {
 171                 targetAnimation->Stop();
 172                 targetAnimation = 0;
 173         }
 174         titleBarTimer.Clear();
 175         numberAnimation.clear();
 176         numberPosition.clear();
 177 }
 178
 179 void PerformAttacks::AdvanceCursor() {
 180         ++cursor;
 181         while (cursor < int(order.size())) {
 182                 if (order[cursor].isMonster) {
 183                         if (battle->MonsterAt(order[cursor].index).Health() > 0) break;
 184                 } else {
 185                         if (battle->HeroAt(order[cursor].index).Health() > 0) break;
 186                 }
 187                 ++cursor;
 188         }
 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 (order[cursor].isMonster) return; // no monsters for now
 231         const TargetSelection &ts(battle->AttackChoiceAt(order[cursor].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 }