src/map/MapState.cpp

   1 /*
   2  * MapState.cpp
   3  *
   4  *  Created on: Sep 29, 2012
   5  *      Author: holy
   6  */
   7
   8 #include "MapState.h"
   9
  10 #include "Map.h"
  11 #include "../app/Application.h"
  12 #include "../app/Input.h"
  13
  14 #include <algorithm>
  15
  16 using app::Application;
  17 using app::Input;
  18 using geometry::Vector;
  19
  20 namespace map {
  21
  22 MapState::MapState(const Map *map)
  23 : map(map)
  24 , controlled(0)
  25 , tempTarget(20, 20)
  26 , camera(100, 100, &tempTarget) {
  27
  28 }
  29
  30
  31 void MapState::EnterState(Application &ctrl, SDL_Surface *screen) {
  32         camera.Resize(screen->w, screen->h);
  33 }
  34
  35 void MapState::ExitState(Application &ctrl, SDL_Surface *screen) {
  36
  37 }
  38
  39 void MapState::ResumeState(Application &ctrl, SDL_Surface *screen) {
  40         camera.Resize(screen->w, screen->h);
  41 }
  42
  43 void MapState::PauseState(Application &ctrl, SDL_Surface *screen) {
  44
  45 }
  46
  47 void MapState::Resize(int width, int height) {
  48         camera.Resize(width, height);
  49 }
  50
  51
  52 void MapState::HandleEvents(const Input &input) {
  53         if (!controlled) return;
  54 }
  55
  56 void MapState::UpdateWorld(float deltaT) {
  57         for (std::vector<Entity *>::iterator i(entities.begin()), end(entities.end()); i != end; ++i) {
  58                 (*i)->Update(deltaT);
  59         }
  60 }
  61
  62 void MapState::Render(SDL_Surface *screen) {
  63         Vector<int> offset(camera.CalculateOffset());
  64         map->Render(screen, offset);
  65
  66         std::sort(entities.begin(), entities.end(), ZCompare);
  67         for (std::vector<Entity *>::iterator i(entities.begin()), end(entities.end()); i != end; ++i) {
  68                 (*i)->Render(screen, offset);
  69         }
  70 }
  71
  72
  73 bool MapState::ZCompare(const Entity *lhs, const Entity *rhs) {
  74         return lhs->Position().Y() < rhs->Position().Y();
  75 }
  76
  77 }