SBSPSS/source/gfx/fader.cpp

/*=========================================================================

	fader.cpp

	Author:		PKG
	Created: 
	Project:	Spongebob
	Purpose: 

	Copyright (c) 2000 Climax Development Ltd

===========================================================================*/


/*----------------------------------------------------------------------
	Includes
	-------- */

#include "fader.h"

#ifndef __PRIM_HEADER__
#include "gfx\prim.h"
#endif

#ifndef __GFX_BUBICLES_H__
#include "gfx\bubicles.h"
#endif


/*	Std Lib
	------- */

/*	Data
	---- */

/*----------------------------------------------------------------------
	Tyepdefs && Defines
	------------------- */

/*----------------------------------------------------------------------
	Structure defintions
	-------------------- */

/*----------------------------------------------------------------------
	Function Prototypes
	------------------- */

/*----------------------------------------------------------------------
	Vars
	---- */

int					CFader::s_fadeLine=0;	
CFader::FADE_MODE	CFader::s_fadeMode=FADED_IN;

/*----------------------------------------------------------------------
	Function:
	Purpose:
	Params:
	Returns:
  ---------------------------------------------------------------------- */

BubicleEmitterData	s_fadeBubicleSpawner=
{
	0,0,512,40,					// m_x,m_y,m_w,m_h
	0,0,						// m_birthRate,m_birthAmount
	0,							// m_life

	// m_bubicleBase
	{
		10,							// m_life
		0,0,0,						// m_vx,m_vdx,m_vxmax
		-200,0,0,					// m_vy,m_vdy,m_vymax
		10,7,						// m_w,m_h
		0,							// m_dvSizeChange
		0,0,						// m_theta,m_vtheta
		0,0,0,						// m_wobbleWidth,m_vwobbleWidth,m_vdwobbleWidth
		0,							// m_ot
		{220,220,220}				// m_colour
	},
	// m_bubicleRange;
	{
		10,							// m_life
		0,0,0,						// m_vx,m_vdx,m_vxmax
		50,0,0,						// m_vy,m_vdy,m_vymax
		3,3,						// m_w,m_h
		0,							// m_dvSizeChange
		0,100,						// m_theta,m_vtheta
		10,0,0,						// m_wobbleWidth,m_vwobbleWidth,m_vdwobbleWidth
		0,							// m_ot
		{30,30,30}					// m_colour
	}
};

void CFader::render()
{
	switch(s_fadeMode)
	{
		case FADED_IN:
			return;

		case FADING_IN:
			{
				if(s_fadeLine>0)
				{
					POLY_F4		*f4;
					POLY_G4		*g4;
					POLY_FT3	*ft3;

					f4=GetPrimF4();
					setXYWH(f4,0,-FADE_BORDER_SIZE,512,s_fadeLine-(FADE_SMOOTH_BORDER_SIZE/2)+FADE_BORDER_SIZE);
					setRGB0(f4,255,255,255);
					AddPrimToList(f4,0);

					g4=GetPrimG4();
					setXYWH(g4,0,s_fadeLine-(FADE_SMOOTH_BORDER_SIZE/2),512,FADE_SMOOTH_BORDER_SIZE);
					setRGB0(g4,255,255,255);
					setRGB1(g4,255,255,255);
					setRGB2(g4,0,0,0);
					setRGB3(g4,0,0,0);
					setShadeTex(g4,0);
					setSemiTrans(g4,1);
					AddPrimToList(g4,0);

					ft3=GetPrimFT3();
					setShadeTex(ft3,1);
					setSemiTrans(ft3,1);
					ft3->tpage=(1<<5);
					setXY3(ft3,512,512,512,512,512,512);
					AddPrimToList(ft3,0);
				}
			}
			break;

		case FADING_OUT:
			{
				POLY_F4		*f4;
				POLY_G4		*g4;
				POLY_FT3	*ft3;
				
				f4=GetPrimF4();
				setXYWH(f4,0,s_fadeLine+(FADE_SMOOTH_BORDER_SIZE/2),512,256-s_fadeLine-(FADE_SMOOTH_BORDER_SIZE/2));
				setRGB0(f4,255,255,255);
				AddPrimToList(f4,0);
				
				g4=GetPrimG4();
				setXYWH(g4,0,s_fadeLine-(FADE_SMOOTH_BORDER_SIZE/2),512,FADE_SMOOTH_BORDER_SIZE);
				setRGB0(g4,0,0,0);
				setRGB1(g4,0,0,0);
				setRGB2(g4,255,255,255);
				setRGB3(g4,255,255,255);
				setShadeTex(g4,0);
				setSemiTrans(g4,1);
				AddPrimToList(g4,0);
				
				ft3=GetPrimFT3();
				setShadeTex(ft3,1);
				setSemiTrans(ft3,1);
				ft3->tpage=(1<<5);
				setXY3(ft3,512,512,512,512,512,512);
				AddPrimToList(ft3,0);
			}
			break;

		case FADED_OUT:
			{
				POLY_F4		*f4;
				
				f4=GetPrimF4();
				setXYWH(f4,0,0,512,256);
				setRGB0(f4,255,255,255);
				AddPrimToList(f4,1);
				return;
			}
	}

	s_fadeBubicleSpawner.m_y=s_fadeLine-20;
	for(int i=0;i<BUBBLES_PER_FRAME;i++)
		CBubicleFactory::spawnParticle(&s_fadeBubicleSpawner);

}


/*----------------------------------------------------------------------
	Function:
	Purpose:
	Params:
	Returns:
  ---------------------------------------------------------------------- */
void CFader::think(int _frames)
{
	if(s_fadeMode!=FADED_IN&&s_fadeMode!=FADED_OUT)
	{
		s_fadeLine-=_frames*FADE_SPEED;
		if(s_fadeLine<-FADE_BORDER_SIZE)
		{
			s_fadeMode=s_fadeMode==FADING_OUT?FADED_OUT:FADED_IN;
		}
	}
}


/*----------------------------------------------------------------------
	Function:
	Purpose:
	Params:
	Returns:
  ---------------------------------------------------------------------- */
void CFader::setFadingOut()
{
	s_fadeLine=256+FADE_BORDER_SIZE;
	s_fadeMode=FADING_OUT;
}


/*----------------------------------------------------------------------
	Function:
	Purpose:
	Params:
	Returns:
  ---------------------------------------------------------------------- */
void CFader::setFadingIn()
{
	s_fadeLine=256+FADE_BORDER_SIZE;
	s_fadeMode=FADING_IN;
}


/*----------------------------------------------------------------------
	Function:
	Purpose:
	Params:
	Returns:
  ---------------------------------------------------------------------- */
int CFader::isFading()
{
	return s_fadeMode==FADING_IN||s_fadeMode==FADING_OUT;
}


/*===========================================================================
 end */