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         CheckNumberAnimation();
  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                                 titleBarText = hero.HasWeapon() ? hero.Weapon()->Name() : "Melee attack!";
  81                                 moveAnimation = hero.AttackAnimation();
  82                                 numberAnimation.push_back(NumberAnimation(15, battle->Res().numberAnimationPrototype, battle->Res().bigNumberSprite));
  83                                 if (ac.Selection().TargetsEnemies()) {
  84                                         numberPosition.push_back(
  85                                                         battle->MonsterPositions()[ac.Selection().SingleSelection()]);
  86                                 } else {
  87                                         numberPosition.push_back(
  88                                                         battle->HeroesPositions()[ac.Selection().SingleSelection()]);
  89                                 }
  90                                 break;
  91                         case AttackChoice::MAGIC:
  92                                 titleBarText = ac.GetSpell()->Name();
  93                                 moveAnimation = hero.SpellAnimation();
  94                                 break;
  95                         case AttackChoice::DEFEND:
  96                                 titleBarText = "Defends.";
  97                                 moveAnimation = 0;
  98                                 break;
  99                         case AttackChoice::IKARI:
 100                                 if (ac.GetItem()->HasIkari()) {
 101                                         titleBarText = ac.GetItem()->GetIkari()->Name();
 102                                         if (ac.GetItem()->GetIkari()->IsMagical()) {
 103                                                 moveAnimation = hero.SpellAnimation();
 104                                         } else {
 105                                                 moveAnimation = hero.AttackAnimation();
 106                                         }
 107                                 }
 108                                 break;
 109                         case AttackChoice::ITEM:
 110                                 titleBarText = ac.GetItem()->Name();
 111                                 moveAnimation = 0;
 112                                 break;
 113                         case AttackChoice::UNDECIDED:
 114                                 titleBarText = "UNDECIDED";
 115                                 moveAnimation = 0;
 116                                 break;
 117                 }
 118         }
 119
 120         if (titleBarText) titleBarTimer = GraphicsTimers().StartCountdown(1500);
 121         if (moveAnimation) moveAnimation->Start(*this);
 122 }
 123
 124 void PerformAttacks::CheckNumberAnimation() {
 125         if (moveAnimation && moveAnimation->Running()) return;
 126         if (!moveAnimation || moveAnimation->JustFinished()) {
 127                 for (vector<NumberAnimation>::iterator i(numberAnimation.begin()), end(numberAnimation.end()); i != end; ++i) {
 128                         i->Start(*this);
 129                 }
 130         } else {
 131                 for (vector<NumberAnimation>::iterator i(numberAnimation.begin()), end(numberAnimation.end()); i != end; ++i) {
 132                         i->CheckTimers(*this);
 133                 }
 134         }
 135 }
 136
 137 bool PerformAttacks::HasAnimationsRunning() const {
 138         if (titleBarTimer.Running()) return true;
 139         if (moveAnimation && moveAnimation->Running()) return true;
 140         for (vector<NumberAnimation>::const_iterator i(numberAnimation.begin()), end(numberAnimation.end()); i != end; ++i) {
 141                 if (i->Running()) return true;
 142         }
 143         return false;
 144 }
 145
 146 void PerformAttacks::ResetAnimation() {
 147         if (moveAnimation) moveAnimation->Stop();
 148         titleBarTimer.Clear();
 149         numberAnimation.clear();
 150         numberPosition.clear();
 151 }
 152
 153 void PerformAttacks::AdvanceCursor() {
 154         ++cursor;
 155         while (cursor < int(order.size())) {
 156                 if (order[cursor].isMonster) {
 157                         if (battle->MonsterAt(order[cursor].index).Health() > 0) break;
 158                 } else {
 159                         if (battle->HeroAt(order[cursor].index).Health() > 0) break;
 160                 }
 161                 ++cursor;
 162         }
 163 }
 164
 165
 166 void PerformAttacks::UpdateWorld(float deltaT) {
 167
 168 }
 169
 170 void PerformAttacks::Render(SDL_Surface *screen) {
 171         Vector<int> offset(battle->CalculateScreenOffset(screen));
 172         battle->RenderBackground(screen, offset);
 173         battle->RenderMonsters(screen, offset);
 174         battle->RenderHeroes(screen, offset);
 175         battle->RenderSmallHeroTags(screen, offset);
 176         RenderTitleBar(screen, offset);
 177         RenderNumbers(screen, offset);
 178 }
 179
 180 void PerformAttacks::RenderTitleBar(SDL_Surface *screen, const Vector<int> &offset) {
 181         if (!titleBarText || !titleBarTimer.Running()) return;
 182
 183         int height(battle->Res().titleFrame->BorderHeight() * 2 + battle->Res().titleFont->CharHeight());
 184         battle->Res().titleFrame->Draw(screen, Point<int>(offset.X(), offset.Y()), battle->BackgroundWidth(), height);
 185
 186         Point<int> textPosition(
 187                         (battle->BackgroundWidth() - (std::strlen(titleBarText) * battle->Res().titleFont->CharWidth())) / 2,
 188                         battle->Res().titleFrame->BorderHeight());
 189         battle->Res().titleFont->DrawString(titleBarText, screen, textPosition + offset);
 190 }
 191
 192 void PerformAttacks::RenderNumbers(SDL_Surface *screen, const Vector<int> &offset) {
 193         for (vector<NumberAnimation>::size_type i(0), end(numberAnimation.size()); i < end; ++i) {
 194                 if (numberAnimation[i].Running()) {
 195                         Vector<int> align(numberAnimation[i].Width() / -2, numberAnimation[i].Height() * -3 / 4);
 196                         numberAnimation[i].Draw(screen, numberPosition[i] + align + offset);
 197                 }
 198         }
 199 }
 200
 201 }