src/battle/BattleState.cpp

   1 /*
   2  * BattleState.cpp
   3  *
   4  *  Created on: Aug 5, 2012
   5  *      Author: holy
   6  */
   7
   8 #include "BattleState.h"
   9
  10 #include "PartyLayout.h"
  11 #include "states/SelectMoveAction.h"
  12 #include "../app/Application.h"
  13 #include "../app/Input.h"
  14 #include "../geometry/operators.h"
  15 #include "../graphics/Sprite.h"
  16
  17 #include <stdexcept>
  18
  19 using app::Application;
  20 using app::Input;
  21 using geometry::Point;
  22 using geometry::Vector;
  23 using graphics::Menu;
  24
  25 using std::vector;
  26
  27 namespace battle {
  28
  29 void BattleState::AddMonster(const Monster &m) {
  30         if (monsters.size() >= monstersLayout->NumPositions()) {
  31                 throw std::overflow_error("too many monsters for layout");
  32         }
  33         monsters.push_back(m);
  34 }
  35
  36 void BattleState::AddHero(const Hero &h) {
  37         if (heroes.size() >= heroesLayout->NumPositions()) {
  38                 throw std::overflow_error("too many heroes for layout");
  39         }
  40         heroes.push_back(h);
  41 }
  42
  43
  44 void BattleState::Resize(int w, int h) {
  45
  46 }
  47
  48
  49 void BattleState::EnterState(Application &ctrl, SDL_Surface *screen) {
  50         monstersLayout->CalculatePositions(background->w, background->h, monsterPositions);
  51         heroesLayout->CalculatePositions(background->w, background->h, heroesPositions);
  52         attackChoices.resize(heroes.size());
  53         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
  54                 // TODO: extract menu dimensions to resources
  55                 Menu</* Spell */ void *> spellMenu(res->normalFont, 12, 6, 8, 2, 32);
  56                 spellMenu.Add("Strong   : 3", 0);
  57                 spellMenu.Add("Stronger : 8", 0);
  58                 spellMenu.Add("Champion :16", 0);
  59                 spellMenu.Add("Rally    :10", 0);
  60                 spellMenu.Add("Valor    :30", 0);
  61                 spellMenus.push_back(spellMenu);
  62                 heroTags.push_back(HeroTag(&heroes[i], &attackChoices[i], res, HeroTag::Alignment((i + 1) % 2)));
  63         }
  64 }
  65
  66 void BattleState::ExitState(Application &ctrl, SDL_Surface *screen) {
  67
  68 }
  69
  70 void BattleState::ResumeState(Application &ctrl, SDL_Surface *screen) {
  71         // TODO: check for victory, defeat or run
  72         // reset attack choices
  73         activeHero = -1;
  74         attackChoices.clear();
  75         attackChoices.resize(heroes.size());
  76         ctrl.PushState(new SelectMoveAction(this));
  77 }
  78
  79 void BattleState::PauseState(Application &ctrl, SDL_Surface *screen) {
  80
  81 }
  82
  83
  84 void BattleState::HandleInput(const Input &input) {
  85
  86 }
  87
  88 void BattleState::UpdateWorld(float deltaT) {
  89
  90 }
  91
  92 void BattleState::Render(SDL_Surface *screen) {
  93         Vector<int> offset(CalculateScreenOffset(screen));
  94
  95         RenderBackground(screen, offset);
  96         RenderMonsters(screen, offset);
  97 //      RenderHeroes(screen, offset);
  98         RenderHeroTags(screen, offset);
  99 }
 100
 101 void BattleState::RenderBackground(SDL_Surface *screen, const Vector<int> &offset) {
 102         // black for now
 103         SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
 104         SDL_Rect destRect;
 105         destRect.x = offset.X();
 106         destRect.y = offset.Y();
 107         destRect.w = background->w;
 108         destRect.h = background->h;
 109         SDL_BlitSurface(background, 0, screen, &destRect);
 110 }
 111
 112 void BattleState::RenderMonsters(SDL_Surface *screen, const Vector<int> &offset) {
 113         for (vector<Monster>::size_type i(0), end(monsters.size()); i < end; ++i) {
 114                 monsters[i].Sprite()->DrawCenterBottom(screen, monsterPositions[i] + offset);
 115         }
 116 }
 117
 118 void BattleState::RenderHeroes(SDL_Surface *screen, const Vector<int> &offset) {
 119         for (vector<Hero>::size_type i(0), end(heroes.size()); i < end; ++i) {
 120                 heroes[i].Sprite()->DrawCenterBottom(screen, heroesPositions[i] + offset);
 121         }
 122 }
 123
 124 void BattleState::RenderHeroTags(SDL_Surface *screen, const Vector<int> &offset) {
 125         int tagHeight(attackTypeMenu.Height());
 126         int tagWidth(attackTypeMenu.Width() * 2 + attackTypeMenu.Width() / 2);
 127         int xOffset((BackgroundWidth() - 2 * tagWidth) / 2);
 128
 129         Point<int> tagPosition[4];
 130         tagPosition[0] = Point<int>(xOffset, BackgroundHeight() - 2 * tagHeight);
 131         tagPosition[1] = Point<int>(xOffset + tagWidth, BackgroundHeight() - 2 * tagHeight);
 132         tagPosition[2] = Point<int>(xOffset, BackgroundHeight() - tagHeight);
 133         tagPosition[3] = Point<int>(xOffset + tagWidth, BackgroundHeight() - tagHeight);
 134
 135         for (vector<HeroTag>::size_type i(0), end(heroTags.size()); i < end; ++i) {
 136                 heroTags[i].Render(screen, tagWidth, tagHeight, tagPosition[i] + offset, (int)i == activeHero);
 137         }
 138 }
 139
 140 }