source/Utils/Animated ProgressBar.cpp

#ifdef PRECOMPILEDHEADERS
	#include "Utils All.h"
#else
	#include "types.h"
	#include "Animated ProgressBar.h"
	#include "MemMan.h"
	#include "debug.h"
	#include "Font Control.h"
	#include "vsurface.h"
	#include "video.h"
	#include "Render Dirty.h"
	#include "music control.h"
#endif

double rStart, rEnd;
double rActual;



#define MAX_PROGRESSBARS 4

PROGRESSBAR *pBar[ MAX_PROGRESSBARS ];

BOOLEAN gfUseLoadScreenProgressBar = FALSE;
UINT16 gusLeftmostShaded = 0;

extern BOOLEAN bShowSmallImage;

void CreateLoadingScreenProgressBar()
{
	gusLeftmostShaded = 162;
	gfUseLoadScreenProgressBar = TRUE;

	// Special case -> show small image centered
	if (bShowSmallImage == TRUE)
	{
		if (iResolution > 0)
		{
			CreateProgressBar(0, iScreenWidthOffset + 162, iScreenHeightOffset + 427, iScreenWidthOffset + 480, iScreenHeightOffset + 443);
		}
	}
	else
	{
		if (iResolution == 0)
		{
			CreateProgressBar(0, 162, 427, 480, 443);
		}
		else if (iResolution == 1)
		{
			CreateProgressBar(0, 202, 533, 600, 554);
		}
		else if (iResolution == 2)
		{
			CreateProgressBar(0, 259, 683, 767, 708);
		}
	}
}

void RemoveLoadingScreenProgressBar()
{
	gfUseLoadScreenProgressBar = FALSE;
	RemoveProgressBar( 0 );
	SetFontShadow(DEFAULT_SHADOW);
}

//This creates a single progress bar given the coordinates without a panel (containing a title and background).
//A panel is automatically created if you specify a title using SetProgressBarTitle
BOOLEAN CreateProgressBar( UINT8 ubProgressBarID, UINT16 usLeft, UINT16 usTop, UINT16 usRight, UINT16 usBottom )
{
	PROGRESSBAR *pNew;
	//Allocate new progress bar
	pNew = (PROGRESSBAR*)MemAlloc( sizeof( PROGRESSBAR ) );
	Assert( pNew );

	if( pBar[ ubProgressBarID ] )
		RemoveProgressBar( ubProgressBarID );

	memset( pNew, 0, sizeof( PROGRESSBAR ) );

	pBar[ ubProgressBarID ] = pNew;
	pNew->ubProgressBarID = ubProgressBarID;
	//Assign coordinates
	pNew->usBarLeft = usLeft;
	pNew->usBarTop = usTop;
	pNew->usBarRight = usRight;
	pNew->usBarBottom = usBottom;
	//Init default data
	pNew->fPanel = FALSE;
	pNew->usMsgFont = (UINT16)FONT12POINT1;
	pNew->ubMsgFontForeColor = FONT_BLACK;
	pNew->ubMsgFontShadowColor = 0;
	SetRelativeStartAndEndPercentage( pNew->ubProgressBarID, 0, 100, NULL );
	pNew->swzTitle = NULL;

	//Default the progress bar's color to be red
	pNew->ubColorFillRed = 150;
	pNew->ubColorFillGreen = 0;
	pNew->ubColorFillBlue = 0;

	pNew->fDisplayText = FALSE;

	return TRUE;
}

//You may also define a panel to go in behind the progress bar.  You can now assign a title to go with
//the panel.
void DefineProgressBarPanel( UINT32 ubID, UINT8 r, UINT8 g, UINT8 b,
														 UINT16 usLeft, UINT16 usTop, UINT16 usRight, UINT16 usBottom )
{
	PROGRESSBAR *pCurr;
	Assert( ubID < MAX_PROGRESSBARS );
	pCurr = pBar[ ubID ];
	if( !pCurr )
		return;

	pCurr->fPanel = TRUE;
	pCurr->usPanelLeft = usLeft;
	pCurr->usPanelTop = usTop;
	pCurr->usPanelRight = usRight;
	pCurr->usPanelBottom = usBottom;
	pCurr->usColor = Get16BPPColor( FROMRGB( r, g, b ) );
	//Calculate the slightly lighter and darker versions of the same rgb color
	pCurr->usLtColor = Get16BPPColor( FROMRGB( (UINT8)min( 255, (UINT16)(r*1.33)), 
																						 (UINT8)min( 255, (UINT16)(g*1.33)),
																						 (UINT8)min( 255, (UINT16)(b*1.33)) ));
	pCurr->usDkColor = Get16BPPColor( FROMRGB( (UINT8)(r*0.75), (UINT8)(g*0.75), (UINT8)(b*0.75) ) );
}

//Assigning a title for the panel will automatically position the text horizontally centered on the
//panel and vertically centered from the top of the panel, to the top of the progress bar.
void SetProgressBarTitle( UINT32 ubID, wchar_t *pString, UINT32 usFont, UINT8 ubForeColor, UINT8 ubShadowColor )
{
	PROGRESSBAR *pCurr;
	Assert( ubID < MAX_PROGRESSBARS );
	pCurr = pBar[ ubID ];
	if( !pCurr )
		return;
	if( pCurr->swzTitle )
	{
		MemFree( pCurr->swzTitle );
		pCurr->swzTitle = NULL;
	}
	if( pString && wcslen( pString ) )
	{
		pCurr->swzTitle = (wchar_t*)MemAlloc( sizeof( wchar_t ) * ( wcslen( pString ) + 1 ) );
		swprintf( pCurr->swzTitle, pString );
	}
	pCurr->usTitleFont = (UINT16)usFont;
	pCurr->ubTitleFontForeColor = ubForeColor;
	pCurr->ubTitleFontShadowColor = ubShadowColor;
}

//Unless you set up the attributes, any text you pass to SetRelativeStartAndEndPercentage will
//default to FONT12POINT1 in a black color.
void SetProgressBarMsgAttributes( UINT32 ubID, UINT32 usFont, UINT8 ubForeColor, UINT8 ubShadowColor )
{
	PROGRESSBAR *pCurr;
	Assert( ubID < MAX_PROGRESSBARS );
	pCurr = pBar[ ubID ];
	if( !pCurr )
		return;
	pCurr->usMsgFont = (UINT16)usFont;
	pCurr->ubMsgFontForeColor = ubForeColor;
	pCurr->ubMsgFontShadowColor = ubShadowColor;
}


//When finished, the progress bar needs to be removed.
void RemoveProgressBar( UINT8 ubID )
{
	Assert( ubID < MAX_PROGRESSBARS );
	if( pBar[ubID] )
	{
		if( pBar[ubID]->swzTitle )
			MemFree( pBar[ubID]->swzTitle );
		MemFree( pBar[ubID] );
		pBar[ubID] = NULL;
		return;
	}
}

//An important setup function.  The best explanation is through example.  The example being the loading
//of a file -- there are many stages of the map loading.  In JA2, the first step is to load the tileset.
//Because it is a large chunk of the total loading of the map, we may gauge that it takes up 30% of the
//total load.  Because it is also at the beginning, we would pass in the arguments ( 0, 30, "text" ).
//As the process animates using UpdateProgressBar( 0 to 100 ), the total progress bar will only reach 30%
//at the 100% mark within UpdateProgressBar.  At that time, you would go onto the next step, resetting the
//relative start and end percentage from 30 to whatever, until your done.
void SetRelativeStartAndEndPercentage( UINT8 ubID, UINT32 uiRelStartPerc, UINT32 uiRelEndPerc, wchar_t *str)
{
	PROGRESSBAR *pCurr;
	UINT16 usStartX, usStartY;

	Assert( ubID < MAX_PROGRESSBARS );
	pCurr = pBar[ ubID ];
	if( !pCurr )
		return;

	pCurr->rStart = uiRelStartPerc*0.01;
	pCurr->rEnd = uiRelEndPerc*0.01;

	//Render the entire panel now, as it doesn't need update during the normal rendering
	if( pCurr->fPanel )
	{
		//Draw panel
		ColorFillVideoSurfaceArea( FRAME_BUFFER, 
			pCurr->usPanelLeft, pCurr->usPanelTop, pCurr->usPanelRight, pCurr->usPanelBottom, pCurr->usLtColor );
		ColorFillVideoSurfaceArea( FRAME_BUFFER, 
			pCurr->usPanelLeft+1, pCurr->usPanelTop+1, pCurr->usPanelRight, pCurr->usPanelBottom, pCurr->usDkColor );
		ColorFillVideoSurfaceArea( FRAME_BUFFER, 
			pCurr->usPanelLeft+1, pCurr->usPanelTop+1, pCurr->usPanelRight-1, pCurr->usPanelBottom-1, pCurr->usColor );
		InvalidateRegion( pCurr->usPanelLeft, pCurr->usPanelTop, pCurr->usPanelRight, pCurr->usPanelBottom );
		//Draw title

		if( pCurr->swzTitle )
		{
			usStartX = pCurr->usPanelLeft +																					// left position
								 (pCurr->usPanelRight - pCurr->usPanelLeft)/2 -								// + half width
								 StringPixLength( pCurr->swzTitle, pCurr->usTitleFont ) / 2;	// - half string width
			usStartY = pCurr->usPanelTop + 3;
			SetFont( pCurr->usTitleFont );
			SetFontForeground( pCurr->ubTitleFontForeColor );
			SetFontShadow( pCurr->ubTitleFontShadowColor );
			SetFontBackground( 0 );
			mprintf( usStartX, usStartY, pCurr->swzTitle );
		}
	}

	if( pCurr->fDisplayText )
	{
		//Draw message
		if( str )
		{
			if( pCurr->fUseSaveBuffer )
			{
				UINT16 usFontHeight = GetFontHeight( pCurr->usMsgFont );

				RestoreExternBackgroundRect( pCurr->usBarLeft, pCurr->usBarBottom, (INT16)(pCurr->usBarRight-pCurr->usBarLeft), (INT16)(usFontHeight + 3) );
			}

			SetFont( pCurr->usMsgFont );
			SetFontForeground( pCurr->ubMsgFontForeColor );
			SetFontShadow( pCurr->ubMsgFontShadowColor );
			SetFontBackground( 0 );
			mprintf( pCurr->usBarLeft, pCurr->usBarBottom + 3, str );
		}
	}
}

//This part renders the progress bar at the percentage level that you specify.  If you have set relative
//percentage values in the above function, then the uiPercentage will be reflected based off of the relative
//percentages.  
void RenderProgressBar( UINT8 ubID, UINT32 uiPercentage )
{
	static UINT32 uiLastTime = 0;
	UINT32 uiCurTime = GetJA2Clock();
	double rActual;
	PROGRESSBAR *pCurr=NULL;
	//UINT32 r, g;
	INT32 end;

	Assert( ubID < MAX_PROGRESSBARS );
	pCurr = pBar[ubID];

	if( pCurr == NULL )
		return;

	if( pCurr )
	{
		rActual = pCurr->rStart+(pCurr->rEnd-pCurr->rStart)*uiPercentage*0.01;

		if( rActual - pCurr->rLastActual < 0.01 )
		{
			return;
		}

		pCurr->rLastActual = ( DOUBLE )( ( INT32)( rActual * 100 ) * 0.01 );

		end = (INT32)(pCurr->usBarLeft+2.0+rActual*(pCurr->usBarRight-pCurr->usBarLeft-4));
		if( end < pCurr->usBarLeft+2 || end > pCurr->usBarRight-2 )
		{
			return;
		}
		if( gfUseLoadScreenProgressBar )
		{
			ColorFillVideoSurfaceArea( FRAME_BUFFER,	
				pCurr->usBarLeft, pCurr->usBarTop, end, pCurr->usBarBottom, 
				Get16BPPColor(FROMRGB( pCurr->ubColorFillRed, pCurr->ubColorFillGreen, pCurr->ubColorFillBlue )) );
			//if( pCurr->usBarRight > gusLeftmostShaded )
			//{
			//	ShadowVideoSurfaceRect( FRAME_BUFFER, gusLeftmostShaded+1, pCurr->usBarTop, end, pCurr->usBarBottom );	
			//	gusLeftmostShaded = (UINT16)end;
			//}
		}
		else
		{
			//Border edge of the progress bar itself in gray
			ColorFillVideoSurfaceArea( FRAME_BUFFER,	
				pCurr->usBarLeft, pCurr->usBarTop, pCurr->usBarRight, pCurr->usBarBottom, 
				Get16BPPColor(FROMRGB(160, 160, 160)) );
			//Interior of progress bar in black
			ColorFillVideoSurfaceArea( FRAME_BUFFER,	
				pCurr->usBarLeft+2, pCurr->usBarTop+2, pCurr->usBarRight-2, pCurr->usBarBottom-2, 
				Get16BPPColor(FROMRGB(  0,   0,   0)) );
			ColorFillVideoSurfaceArea(FRAME_BUFFER,	pCurr->usBarLeft+2, pCurr->usBarTop+2, end, pCurr->usBarBottom-2, Get16BPPColor(FROMRGB(72 , 155, 24)));
		}
		InvalidateRegion( pCurr->usBarLeft, pCurr->usBarTop, pCurr->usBarRight, pCurr->usBarBottom );
		ExecuteBaseDirtyRectQueue();
		EndFrameBufferRender();
		RefreshScreen( NULL );
	}

	// update music here
	if( uiCurTime > ( uiLastTime + 200 ) )
	{
		MusicPoll( TRUE );
		uiLastTime = GetJA2Clock();
	}
}

void SetProgressBarColor( UINT8 ubID, UINT8 ubColorFillRed, UINT8 ubColorFillGreen, UINT8 ubColorFillBlue )
{
	PROGRESSBAR *pCurr=NULL;

	Assert( ubID < MAX_PROGRESSBARS );

	pCurr = pBar[ubID];
	if( pCurr == NULL )
		return;

	pCurr->ubColorFillRed = ubColorFillRed;
	pCurr->ubColorFillGreen = ubColorFillGreen;
	pCurr->ubColorFillBlue = ubColorFillBlue;
}


void SetProgressBarTextDisplayFlag( UINT8 ubID, BOOLEAN fDisplayText, BOOLEAN fUseSaveBuffer, BOOLEAN fSaveScreenToFrameBuffer )
{
	PROGRESSBAR *pCurr=NULL;


	Assert( ubID < MAX_PROGRESSBARS );

	pCurr = pBar[ubID];
	if( pCurr == NULL )
		return;

	pCurr->fDisplayText = fDisplayText;

	pCurr->fUseSaveBuffer = fUseSaveBuffer;

	//if we are to use the save buffer, blit the portion of the screen to the save buffer
	if( fSaveScreenToFrameBuffer )
	{
		UINT16 usFontHeight = GetFontHeight( pCurr->usMsgFont )+3;

		//blit everything to the save buffer ( cause the save buffer can bleed through )
		BlitBufferToBuffer(guiRENDERBUFFER, guiSAVEBUFFER, pCurr->usBarLeft, pCurr->usBarBottom, (UINT16)(pCurr->usBarRight-pCurr->usBarLeft), usFontHeight );
	}
}