#include <windows.h>
#include <hge.h>
#include <hgeresource.h>
#include <hgesprite.h>
#include <hgeanim.h>
#include <hgefont.h>

HGE *hge = 0;
hgeResourceManager* myRes;
hgeSprite* bgSprite;
hgeSprite* playerSprite;
hgeAnimation* star;
hgeFont* font1;
HCHANNEL chan[2];
HEFFECT mySound;
HSTREAM myMusic;

float playerLocX = 200, playerLocY = 200;  //the starting point of the player's location
float mouseX, mouseY;  //coordinates of the mouse cursor
bool done = false;

bool FrameFunc()
{
 hge->Input_GetMousePos(&mouseX, &mouseY);  //get the current mouse position
 float dt=hge->Timer_GetDelta();  //get the time since the last call to FrameFunc
 star->Update(dt);  //update the animation
 
 //player movement
 if(hge->Input_GetKeyState(HGEK_UP)) playerLocY -= 100*dt;
 if(hge->Input_GetKeyState(HGEK_DOWN)) playerLocY += 100*dt;
 if(hge->Input_GetKeyState(HGEK_LEFT)) playerLocX -= 100*dt;
 if(hge->Input_GetKeyState(HGEK_RIGHT)) playerLocX += 100*dt;
 
 if(hge->Input_GetKey()==HGEK_ESCAPE) done=true;   //quit when Esc is pressed
 
 //when left mouse is clicked, play sound effect
 if(hge->Input_GetKey()==HGEK_LBUTTON)
  chan[1] = hge->Effect_Play(mySound);
 
 hge->Gfx_BeginScene();
 hge->Gfx_Clear(0);  //clear the screen, filling it with black
 bgSprite->RenderStretch(0, 0, 800, 600); //render the background sprite stretched
 playerSprite->Render(playerLocX , playerLocY);  //render the player sprite
 star->Render(400, 300); //render the animation of a star
 
 font1->SetScale(1.0); //set text size to normal
 font1->SetColor(ARGB(255,0,0,0));  //set color of text to black
 font1->Render(5, 5, "This is some text");  //render text at coordinates 5, 5
 int someNumber = 50;
 font1->SetScale(2.0);  //set text size to twice its normal size
 font1->printf(5, 30, "Here is a number: %d", someNumber);  //render text using printf-style formatting
 font1->SetScale(1.0); //set text size to normal
 font1->printf(5, 75, "Mouse location: %.2f, %.2f", mouseX, mouseY);  //render the current mouse position
 
 hge->Gfx_EndScene();

 return done;
}

int WINAPI WinMain (HINSTANCE,
                    HINSTANCE,
                    LPSTR,
                    int)

{
  hge = hgeCreate(HGE_VERSION);
  hge->System_SetState(HGE_WINDOWED, true);
  hge->System_SetState(HGE_FRAMEFUNC, FrameFunc);
  hge->System_SetState(HGE_HIDEMOUSE, false);
  hge->System_SetState(HGE_TITLE, "HGE Tutorial");
  
  if(hge->System_Initiate())
  {
    myRes = new hgeResourceManager("resource.res");
    
    bgSprite = myRes->GetSprite("bgSprite");
    playerSprite = myRes->GetSprite("playerSprite");
    star = myRes->GetAnimation("star");
    star->Play();  //start playback of animation
    font1 = myRes->GetFont("font1");
    mySound = myRes->GetEffect("click");
    myMusic = myRes->GetStream("theme");
    chan[0] = hge->Stream_Play(myMusic, true);  //start playing music with looping
    
    hge->System_Start();
  }
  else
  {	
    MessageBox(NULL, hge->System_GetErrorMessage(), "Error",
               MB_OK | MB_ICONERROR | MB_SYSTEMMODAL);
  }
  
  delete myRes;
  
  hge->System_Shutdown();
  hge->Release();

  return 0;
}