Elysian Shadows

Code: Select all

RenderSystem::RenderSystem()
{
      
	PlD = new Vector2( 20, 40 );// Size of the image
	PlTex = this->LoadIMG( "yay.bmp" );

}

void RenderSystem::BindTexture( GLuint Texture )
{
	   glBindTexture(GL_TEXTURE_2D, Texture);

}

void RenderSystem::PrepareScene( )
{
	   glEnable(GL_TEXTURE_2D);

	   glPushMatrix();   
	   glColor3f( 1.0, 1.0, 1.0 );
	   glBegin (GL_QUADS);

}

void RenderSystem::RenderScene( Rect *POS, Rect *SRC )
{

	   glTexCoord2f( SRC->x / SRC->w, SRC->y / SRC->h);
	   glVertex2f(POS->x,POS->y);

      glTexCoord2f( ( SRC->x + SRC->w ) / SRC->w, SRC->y / SRC->h);
	   glVertex2f(POS->x + POS->w, POS->y);

      glTexCoord2f( ( SRC->x + SRC->w ) / SRC->w, ( SRC->y + SRC->h ) / SRC->h);
	   glVertex2f(POS->x + POS->w, POS->y + POS->h);

      glTexCoord2f( SRC->x / SRC->w, ( SRC->y + SRC->h ) / SRC->h);
	   glVertex2f(POS->x, POS->y + POS->h);
   

}

void RenderSystem::EndScene( )
{

	   glEnd();
	   glPopMatrix();

}


GLuint RenderSystem::LoadIMG( std::string Name )
{


	glEnable(GL_TEXTURE_2D);

    SDL_Surface *Surface = NULL;
    GLenum texture_format = NULL;
    GLuint tex = 0;
    GLint  nOfColors = 0;

   if ( (Surface = IMG_Load(Name.c_str())) ) { 
   



		if ( !isPowerOfTwo(Surface->w) ) {
			printf("image.bmp's width is not a power of 2\n");
		}
	 

		if ( !isPowerOfTwo(Surface->h) ) {
			printf("image.bmp's height is not a power of 2\n");
		}
	
			nOfColors = Surface->format->BytesPerPixel;
			if (nOfColors == 4)     // contains an alpha channel
			{
					if (Surface->format->Rmask == 0x000000ff)
							texture_format = GL_RGBA;
					else
							texture_format = GL_BGRA;
			} else if (nOfColors == 3)     // no alpha channel
			{
					if (Surface->format->Rmask == 0x000000ff)
							texture_format = GL_RGB;
					else
							texture_format = GL_BGR;
			} 


	 

			glGenTextures( 1, &tex );
			glBindTexture( GL_TEXTURE_2D, tex );
	 

	 

			glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
			glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );

			glEnable(GL_TEXTURE_2D);

	 

		glTexImage2D( GL_TEXTURE_2D, 0, nOfColors, Surface->w, Surface->h, 0,
						  texture_format, GL_UNSIGNED_BYTE, Surface->pixels );
	} 
   else
   {
      std::cout<<"\nNOT LOADED\n";
   }
    SDL_FreeSurface(Surface);


	return tex;
}

Code: Select all

Sprite::Sprite( GLuint Tex, Vector2 *Dims, Vector2 *SoC )
{

	M_Tex  = Tex; // texture
	M_Dims = Dims; // dimensions of my texture
	M_SoC  = SoC; // Size of one clip

	Box = new Rect( 0.0, 0.0, M_SoC->x, M_SoC->y );

}

void Sprite::Draw( int Part )
{
   
   AssetManager::GetRSInstance()->BindTexture( M_Tex );
   
   CBox = new Rect( Part * M_SoC->x,  M_SoC->y, Part * M_SoC->x + M_SoC->x, M_SoC->y );
   
   AssetManager::GetRSInstance()->PrepareScene();
   AssetManager::GetRSInstance()->RenderScene( Box, CBox );
   AssetManager::GetRSInstance()->EndScene();

}

Code: Select all

Player::Player()
{


RS = AssetManager::GetRSInstance();// RenderSystem

...

m_SoC = new Vector2( 16, 16 ); // Size of one Clip

SPR = new Sprite( RS->PlTex, RS->PlD, m_SoC );

...

}

void Player::Show(SDL_Rect camera,int MAX_X,int MAX_Y,int LAYER,int xOff,int yOff)
{
     
..

SPR->Draw(0);

..

}

Code: Select all

void Sprite::Draw( int Part )
{
   
   AssetManager::GetRSInstance()->BindTexture( M_Tex );
   
   CBox = new Rect( Part * M_SoC->x,  M_SoC->y, Part * M_SoC->x + M_SoC->x, M_SoC->y );
   
   AssetManager::GetRSInstance()->PrepareScene();
   AssetManager::GetRSInstance()->RenderScene( Box, CBox );
   AssetManager::GetRSInstance()->EndScene();

}

Code: Select all

void RenderSystem::PrepareScene( )
{
      glEnable(GL_TEXTURE_2D);

      glPushMatrix();   
      glColor3f( 1.0, 1.0, 1.0 );
      glBegin (GL_QUADS);

}

Code: Select all

void Init()
{

..

           SDL_Init(SDL_INIT_EVERYTHING);
	   SDL_SetVideoMode( 640, 480, 32, SDL_HWSURFACE | SDL_DOUBLEBUF | SDL_OPENGL);
           // ^ I changed these two while ago and screen changed color from white to black 

	   glEnable( GL_TEXTURE_2D );


	   glClearColor(0.0f, 0.0f, 0.0f, 0.0f);

	   glMatrixMode(GL_PROJECTION);
	   glLoadIdentity();

	   glOrtho(0.0f, 640, 480, 0.0f, -1.0f, 1.0f);

	   glMatrixMode(GL_MODELVIEW);
	   glLoadIdentity();

    
...

}

int main( int argc, char* args[] )//--------------------------INT MAIN----------------------
{	 

	 Init();// initialize everything
         ....
}