//14.5 - Pirates.cpp - Mark Lee - Prima Publishing

#include <windows.h>
#include "ddraw.h"
#include "ddutil.h"
#include "Movement.h"
#include "Ship.h"
#include "globals.h"
#include "drawing.h"
#include "Towns.h"
Ship* ship; //the player's ship
#include "Ship.cpp"
#include "globals.cpp"
#include "Movement.cpp"
#include "Towns.cpp"
#include "drawing.cpp"



                                        
int WINAPI WinMain(/*Win32 entry-point routine */
                         HINSTANCE hInst,
                         HINSTANCE hPreInst, 
                         LPSTR lpszCmdLine, 
                         int nCmdShow )
{
     //call InitApp to do initialization
     InitApp(hInst, nCmdShow);
     //call DoEventLoop to handle the event loop
     return DoEventLoop();     
}
/*callback procedure */
LRESULT CALLBACK WndProc( HWND hWnd, UINT messg,
                                        WPARAM wParam, LPARAM lParam )
//this function processes user input 
//and the timers used to run the game
{
     static bool inCity = false; //stores if player is in a city
     switch(messg) //figure out which message is being sent
     {
          case WM_CREATE: //if the winow is being created
               //do DirectX initialization
               InitializeDirectX(hWnd); 
               CreateTowns();//create all of the Town objects
               
               //The title screen is displayed for 
               //5 seconds (5000 milliseconds)
               //After this we enter the main part of the game
               //Set the opening screen timer
               SetTimer(hWnd,OpeningTimer,5000,NULL);
               //display the opening screen
               DisplayScreen(OpeningScreen);
               
               break;//end case WM_CREATE
                    
          //this event is used to get rid of the mouse
          case WM_SETCURSOR: 
               SetCursor(NULL);//set it to NULL
               break;//end case WM_SETCURSOR
          
          case WM_KEYDOWN: //if a key is pressed
               //if player is in city then 
               //only the Enter key works
               if (inCity)
               {
                    //if the key is Enter then 
                    //we exit the city screen
                    if(wParam == VK_RETURN)
                         inCity = false;
                    break;
               }
               //handled if city screen, 
               //so treat as normal game now
               switch(wParam)//figure out which key it is
               {
                    case VK_UP://the up arrow
                         //inform everyone else 
                         //that we should move up
                         moveUp = true;
                         break;
                    case VK_DOWN://the down arrow
                         moveDown = true;
                         break;
                    case VK_LEFT://the left arrow
                         moveLeft = true;
                         break;
                    case VK_RIGHT://the right arrow
                         moveRight = true;
                         break;
                    case VK_SPACE://the space bar
                         //we should fire
                         //note that firing has 
                         //not been implemented yet
                         fire = true;
                         break;
                    
                    case VK_ESCAPE://the Esc key
                         //end the main timer
                         KillTimer(hWnd,MainTimer);
                         PostQuitMessage(0);//end the program
                         break;
               }
               break;//end case WM_KEYDOWN
          
          case WM_KEYUP://if a key is released               
               switch(wParam)//figure out which key
               {
                    //stop moving if key is released
                    case VK_UP:
                         moveUp = false;
                         break;
                    case VK_DOWN:
                         moveDown = false;
                         break;
                    case VK_LEFT:
                         moveLeft = false;
                         break;
                    case VK_RIGHT:
                         moveRight = false;
                         break;
                    case VK_SPACE:
                         fire = false;
                         break;
               }
               break;//end case WM_KEYUP
               
          case WM_TIMER://if a timer goes off
               //if player is in city then don't use the timer
               if (inCity)
                    break;//exit the WM_TIMER message
               
               switch(wParam)//find out which timer is going off
               {
                    //the timer for the opening screen
                    case OpeningTimer: 
                         //start the main timer
                         SetTimer(hWnd,MainTimer,15,NULL);
                         //kill the opening screen timer
                         KillTimer(hWnd,OpeningTimer);
                         //draw the screen for the first time
                         Draw();
                         break;//exit case OpeningTimer
                         
                    //the timer for the main game
                    case MainTimer: 
                         DoMove();//move ship based on input
                         Redraw();//redraw the screen
                         //if player has entered a city
                         if(isInCity(&ship->GetPosition()))
                         {
                              //inform everyone else
                              inCity = true;
                              //display the city screen
                              DisplayScreen(CityScreen);
                              //put the player outside of city radius
                              ship->moveBack();
                         }
                         break;//end case MainTimer
               }
               break;//end case WM_TIMER
     
          default: //let Windows handle all other messages
               return( DefWindowProc( hWnd, 
                    messg, wParam, lParam ) );
     }

     return(0);//default return value
}