/**
* Adds velocities and creates clipping rectangles for all the
* objects that have moved on the specified object list.
* @param pObjList Playfield display list to draw
* @param pWin Playfield window top left position
* @param pClip Playfield clipping rectangle
* @param bNoVelocity When reset, objects pos is updated with velocity
* @param bScrolled) When set, playfield has scrolled
*/
void FindMovingObjects(OBJECT **pObjList, Common::Point *pWin, Common::Rect *pClip, bool bNoVelocity, bool bScrolled) {
OBJECT *pObj; // object list traversal pointer
for (pObj = *pObjList; pObj != NULL; pObj = pObj->pNext) {
if (!bNoVelocity) {
// we want to add velocities to objects position
if (bScrolled) {
// this playfield has scrolled
// indicate change
pObj->flags |= DMA_CHANGED;
}
}
if ((pObj->flags & DMA_CHANGED) || // object changed
HasPalMoved(pObj->pPal)) { // or palette moved
// object has changed in some way
Common::Rect rcClip; // objects clipped bounding rectangle
Common::Rect rcObj; // objects bounding rectangle
// calc intersection of objects previous bounding rectangle
// NOTE: previous position is in screen co-ords
if (IntersectRectangle(rcClip, pObj->rcPrev, *pClip)) {
// previous position is within clipping rect
AddClipRect(rcClip);
}
// calc objects current bounding rectangle
if (pObj->flags & DMA_ABS) {
// object position is absolute
rcObj.left = fracToInt(pObj->xPos);
rcObj.top = fracToInt(pObj->yPos);
} else {
// object position is relative to window
rcObj.left = fracToInt(pObj->xPos) - pWin->x;
rcObj.top = fracToInt(pObj->yPos) - pWin->y;
}
rcObj.right = rcObj.left + pObj->width;
rcObj.bottom = rcObj.top + pObj->height;
// calc intersection of object with clipping rect
if (IntersectRectangle(rcClip, rcObj, *pClip)) {
// current position is within clipping rect
AddClipRect(rcClip);
// update previous position
pObj->rcPrev = rcClip;
} else {
// clear previous position
pObj->rcPrev = Common::Rect();
}
// clear changed flag
pObj->flags &= ~DMA_CHANGED;
}
}
}
/**
* Deletes an object from the specified object list and places it
* on the free list.
* @param pObjList List to delete object from
* @param pDelObj Object to delete
*/
void DelObject(OBJECT *pObjList, OBJECT *pDelObj) {
OBJECT *pPrev, *pObj; // object list traversal pointers
const Common::Rect rcScreen(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
// validate object pointer
assert(isValidObject(pDelObj));
#ifdef DEBUG
// one less object in use
--numObj;
assert(numObj >= 0);
#endif
for (pPrev = pObjList, pObj = pObjList->pNext; pObj != NULL; pPrev = pObj, pObj = pObj->pNext) {
if (pObj == pDelObj) {
// found object to delete
if (IntersectRectangle(pDelObj->rcPrev, pDelObj->rcPrev, rcScreen)) {
// allocate a clipping rect for objects previous pos
AddClipRect(pDelObj->rcPrev);
}
// make PREV next = OBJ next - removes OBJ from list
pPrev->pNext = pObj->pNext;
// place free list in OBJ next
pObj->pNext = pFreeObjects;
// add OBJ to top of free list
pFreeObjects = pObj;
// delete objects palette
if (pObj->pPal)
FreePalette(pObj->pPal);
// quit
return;
}
}
// if we get to here - object has not been found on the list
// This can be triggered in Act 3 in DW1 while talking to the guard,
// so this has been turned to a warning instead of an error
warning("DelObject(): formally 'assert(0)!'");
}
void DrawBackgnd() {
int i; // playfield counter
PLAYFIELD *pPlay; // playfield pointer
int prevX, prevY; // save interger part of position
Common::Point ptWin; // window top left
if (pCurBgnd == NULL)
return; // no current background
// scroll each background playfield
for (i = 0; i < pCurBgnd->numPlayfields; i++) {
// get pointer to correct playfield
pPlay = pCurBgnd->fieldArray + i;
// save integer part of position
prevX = fracToInt(pPlay->fieldX);
prevY = fracToInt(pPlay->fieldY);
// update scrolling
pPlay->fieldX += pPlay->fieldXvel;
pPlay->fieldY += pPlay->fieldYvel;
// convert fixed point window pos to a int
ptWin.x = fracToInt(pPlay->fieldX);
ptWin.y = fracToInt(pPlay->fieldY);
// set the moved flag if the playfield has moved
if (prevX != ptWin.x || prevY != ptWin.y)
pPlay->bMoved = true;
// sort the display list for this background - just in case somebody has changed object Z positions
SortObjectList((OBJECT *)&pPlay->pDispList);
// generate clipping rects for all objects that have moved etc.
FindMovingObjects((OBJECT *)&pPlay->pDispList, &ptWin,
&pPlay->rcClip, false, pPlay->bMoved);
// clear playfield moved flag
pPlay->bMoved = false;
}
// merge the clipping rectangles
MergeClipRect();
// redraw all playfields within the clipping rectangles
const RectList &clipRects = GetClipRects();
for (RectList::const_iterator r = clipRects.begin(); r != clipRects.end(); ++r) {
// clear the clip rectangle on the virtual screen
// for each background playfield
for (i = 0; i < pCurBgnd->numPlayfields; i++) {
Common::Rect rcPlayClip; // clip rect for this playfield
// get pointer to correct playfield
pPlay = pCurBgnd->fieldArray + i;
// convert fixed point window pos to a int
ptWin.x = fracToInt(pPlay->fieldX);
ptWin.y = fracToInt(pPlay->fieldY);
if (IntersectRectangle(rcPlayClip, pPlay->rcClip, *r))
// redraw all objects within this clipping rect
UpdateClipRect((OBJECT *)&pPlay->pDispList,
&ptWin, &rcPlayClip);
}
}
// transfer any new palettes to the video DAC
PalettesToVideoDAC();
// update the screen within the clipping rectangles
for (RectList::const_iterator r = clipRects.begin(); r != clipRects.end(); ++r) {
UpdateScreenRect(*r);
}
g_system->updateScreen();
// delete all the clipping rectangles
ResetClipRect();
}
//---------------------------------------------------------------------------
// x, y is position
// xs, ys is starting position on source bitmap (x, y is upper left) + xs, ys )
// w, h is height and width of the image to use.
// default behavior is to omit copying 0 pixels for transparency
// overlays....
void BlotImageSizedEx ( ImageFile *pifDest, ImageFile *pifSrc
, int32_t xd, int32_t yd
, int32_t xs, int32_t ys
, uint32_t ws, uint32_t hs
, uint32_t nTransparent
, uint32_t method
, ... )
{
#define BROKEN_CODE
PCDATA po, pi;
//int hd, wd;
uint32_t oo, oi; // treated as an adder... it is unsigned by math, but still results correct offset?
static uint32_t lock;
va_list colors;
va_start( colors, method );
if( nTransparent > ALPHA_TRANSPARENT_MAX )
return;
if( !pifSrc
|| !pifSrc->image
|| !pifDest
//|| !pifDest->image
)
{
// this will happen when mixing modes...
lprintf( WIDE( "sanity check failed %p %p %p" ), pifSrc, pifDest, pifSrc?pifSrc->image:NULL );
return;
}
//lprintf( WIDE( "BlotImageSized %d,%d to %d,%d by %d,%d" ), xs, ys, xd, yd, ws, hs );
{
IMAGE_RECTANGLE r1;
IMAGE_RECTANGLE r2;
IMAGE_RECTANGLE rs;
IMAGE_RECTANGLE rd;
int tmp;
//IMAGE_RECTANGLE r3;
r1.x = xd;
r1.y = yd;
r1.width = ws;
r1.height = hs;
r2.x = pifDest->eff_x;
r2.y = pifDest->eff_y;
tmp = (pifDest->eff_maxx - pifDest->eff_x) + 1;
if( tmp < 0 )
r2.width = 0;
else
r2.width = (IMAGE_SIZE_COORDINATE)tmp;
tmp = (pifDest->eff_maxy - pifDest->eff_y) + 1;
if( tmp < 0 )
r2.height = 0;
else
r2.height = (IMAGE_SIZE_COORDINATE)tmp;
if( !IntersectRectangle( &rd, &r1, &r2 ) )
{
//lprintf( WIDE( "Images do not overlap. %d,%d %d,%d vs %d,%d %d,%d" ), r1.x,r1.y,r1.width,r1.height
// , r2.x,r2.y,r2.width,r2.height);
return;
}
//lprintf( WIDE( "Correcting coordinates by %d,%d" )
// , rd.x - xd
// , rd.y - yd
// );
xs += rd.x - xd;
ys += rd.y - yd;
tmp = rd.x - xd;
if( tmp > 0 && (unsigned)tmp > ws )
ws = 0;
else
{
if( tmp < 0 )
ws += (unsigned)-tmp;
else
ws -= (unsigned)tmp;
}
tmp = rd.y - yd;
if( tmp > 0 && (unsigned)tmp > hs )
hs = 0;
else
{
if( tmp < 0 )
hs += (unsigned)-tmp;
else
hs -= (unsigned)tmp;
}
//lprintf( WIDE( "Resulting dest is %d,%d %d,%d" ), rd.x,rd.y,rd.width,rd.height );
xd = rd.x;
yd = rd.y;
r1.x = xs;
r1.y = ys;
r1.width = ws;
r1.height = hs;
r2.x = pifSrc->eff_x;
r2.y = pifSrc->eff_y;
tmp = (pifSrc->eff_maxx - pifSrc->eff_x) + 1;
if( tmp < 0 )
r2.width = 0;
else
r2.width = (IMAGE_SIZE_COORDINATE)tmp;
tmp = (pifSrc->eff_maxy - pifSrc->eff_y) + 1;
if( tmp < 0 )
r2.height = 0;
else
r2.height = (IMAGE_SIZE_COORDINATE)tmp;
if( !IntersectRectangle( &rs, &r1, &r2 ) )
{
lprintf( WIDE( "Desired Output does not overlap..." ) );
return;
}
//lprintf( WIDE( "Resulting dest is %d,%d %d,%d" ), rs.x,rs.y,rs.width,rs.height );
ws = rs.width<rd.width?rs.width:rd.width;
hs = rs.height<rd.height?rs.height:rd.height;
xs = rs.x;
ys = rs.y;
//lprintf( WIDE( "Resulting rect is %d,%d to %d,%d dim: %d,%d" ), rs.x, rs.y, rd.x, rd.y, rs.width, rs.height );
//lprintf( WIDE( "Resulting rect is %d,%d to %d,%d dim: %d,%d" ), xs, ys, xd, yd, ws, hs );
}
//lprintf( WIDE(WIDE( "Doing image (%d,%d)-(%d,%d) (%d,%d)-(%d,%d)" )), xs, ys, ws, hs, xd, yd, wd, hd );
if( (int32_t)ws <= 0 ||
(int32_t)hs <= 0 /*||
(int32_t)wd <= 0 ||
(int32_t)hd <= 0 */ )
{
lprintf( WIDE( "out of bounds" ) );
return;
}
#ifdef _INVERT_IMAGE
// set pointer in to the starting x pixel
// on the last line of the image to be copied
//pi = IMG_ADDRESS( pifSrc, xs, ys );
//po = IMG_ADDRESS( pifDest, xd, yd );
pi = IMG_ADDRESS( pifSrc, xs, ys );
po = IMG_ADDRESS( pifDest, xd, yd );
//cpg 19 Jan 2007 2>c:\work\sack\src\imglib\blotdirect.c(492) : warning C4146: unary minus operator applied to unsigned type, result still unsigned
//cpg 19 Jan 2007 2>c:\work\sack\src\imglib\blotdirect.c(493) : warning C4146: unary minus operator applied to unsigned type, result still unsigned
oo = 4*-(int)(ws+pifDest->pwidth); // w is how much we can copy...
oi = 4*-(int)(ws+pifSrc->pwidth); // adding remaining width...
#else
// set pointer in to the starting x pixel
// on the first line of the image to be copied...
pi = IMG_ADDRESS( pifSrc, xs, ys );
po = IMG_ADDRESS( pifDest, xd, yd );
oo = 4*(pifDest->pwidth - ws); // w is how much we can copy...
oi = 4*(pifSrc->pwidth - ws); // adding remaining width...
#endif
//lprintf( WIDE("Doing image (%d,%d)-(%d,%d) (%d,%d)-(%d,%d)"), xs, ys, ws, hs, xd, yd, wd, hd );
//oo = 4*(pifDest->pwidth - ws); // w is how much we can copy...
//oi = 4*(pifSrc->pwidth - ws); // adding remaining width...
while( LockedExchange( &lock, 1 ) )
Relinquish();
if( ( pifDest->flags & IF_FLAG_FINAL_RENDER )
&& !( pifDest->flags & IF_FLAG_IN_MEMORY ) )
{
Image topmost_parent;
ReloadOpenGlTexture( pifSrc, 0 );
if( !pifSrc->glActiveSurface )
{
//lprintf( WIDE( "gl texture hasn't updated or went away?" ) );
lock = 0;
return;
}
//lprintf( WIDE( "use regular texture %p (%d,%d)" ), pifSrc, pifSrc->width, pifSrc->height );
//DebugBreak(); g
// closed loop to get the top imgae size.
for( topmost_parent = pifSrc; topmost_parent->pParent; topmost_parent = topmost_parent->pParent );
/*
* only a portion of the image is actually used, the rest is filled with blank space
*
*/
TranslateCoord( pifDest, &xd, &yd );
TranslateCoord( pifSrc, &xs, &ys );
{
int glDepth = 1;
double x_size, x_size2, y_size, y_size2;
VECTOR v1[2], v3[2],v4[2],v2[2];
int v = 0;
v1[v][0] = xd;
v1[v][1] = yd;
v1[v][2] = 0.0;
v2[v][0] = xd;
v2[v][1] = yd+hs;
v2[v][2] = 0.0;
v3[v][0] = xd+ws;
v3[v][1] = yd+hs;
v3[v][2] = 0.0;
v4[v][0] = xd+ws;
v4[v][1] = yd;
v4[v][2] = 0.0;
x_size = (double) xs/ (double)topmost_parent->width;
x_size2 = (double) (xs+ws)/ (double)topmost_parent->width;
y_size = (double) ys/ (double)topmost_parent->height;
y_size2 = (double) (ys+hs)/ (double)topmost_parent->height;
// Front Face
//glColor4ub( 255,120,32,192 );
//lprintf( WIDE( "Texture size is %g,%g to %g,%g" ), x_size, y_size, x_size2, y_size2 );
while( pifDest && pifDest->pParent )
{
glDepth = 0;
if( pifDest->transform )
{
Apply( pifDest->transform, v1[1-v], v1[v] );
Apply( pifDest->transform, v2[1-v], v2[v] );
Apply( pifDest->transform, v3[1-v], v3[v] );
Apply( pifDest->transform, v4[1-v], v4[v] );
v = 1-v;
}
pifDest = pifDest->pParent;
}
if( pifDest->transform )
{
Apply( pifDest->transform, v1[1-v], v1[v] );
Apply( pifDest->transform, v2[1-v], v2[v] );
Apply( pifDest->transform, v3[1-v], v3[v] );
Apply( pifDest->transform, v4[1-v], v4[v] );
v = 1-v;
}
#if 0
if( glDepth )
{
//lprintf( WIDE( "enqable depth..." ) );
glEnable( GL_DEPTH_TEST );
}
else
{
//lprintf( WIDE( "disable depth..." ) );
glDisable( GL_DEPTH_TEST );
}
#endif
glBindTexture(GL_TEXTURE_2D, pifSrc->glActiveSurface); // Select Our Texture
if( method == BLOT_COPY )
glColor4ub( 255,255,255,255 );
else if( method == BLOT_SHADED )
{
CDATA tmp = va_arg( colors, CDATA );
glColor4ubv( (GLubyte*)&tmp );
}
else if( method == BLOT_MULTISHADE )
{
#if !defined( __ANDROID__ )
InitShader();
if( glUseProgram && l.glActiveSurface->shader.multi_shader )
{
int err;
CDATA r = va_arg( colors, CDATA );
CDATA g = va_arg( colors, CDATA );
CDATA b = va_arg( colors, CDATA );
glEnable(GL_FRAGMENT_PROGRAM_ARB);
glUseProgram( l.glActiveSurface->shader.multi_shader );
err = glGetError();
glProgramLocalParameter4fARB( GL_FRAGMENT_PROGRAM_ARB, 0, (float)GetRedValue( r )/255.0f, (float)GetGreenValue( r )/255.0f, (float)GetBlueValue( r )/255.0f, (float)GetAlphaValue( r )/255.0f );
err = glGetError();
glProgramLocalParameter4fARB( GL_FRAGMENT_PROGRAM_ARB, 1, (float)GetRedValue( g )/255.0f, (float)GetGreenValue( g )/255.0f, (float)GetBlueValue( g )/255.0f, (float)GetAlphaValue( g )/255.0f );
err = glGetError();
glProgramLocalParameter4fARB( GL_FRAGMENT_PROGRAM_ARB, 2, (float)GetRedValue( b )/255.0f, (float)GetGreenValue( b )/255.0f, (float)GetBlueValue( b )/255.0f, (float)GetAlphaValue( b )/255.0f );
err = glGetError();
}
else
#endif
{
Image output_image;
CDATA r = va_arg( colors, CDATA );
CDATA g = va_arg( colors, CDATA );
CDATA b = va_arg( colors, CDATA );
output_image = GetShadedImage( pifSrc, r, g, b );
glBindTexture( GL_TEXTURE_2D, output_image->glActiveSurface );
glColor4ub( 255,255,255,255 );
}
}
else if( method == BLOT_INVERTED )
{
#if !defined( __ANDROID__ )
InitShader();
if( l.glActiveSurface->shader.inverse_shader )
{
int err;
glEnable(GL_FRAGMENT_PROGRAM_ARB);
glUseProgram( l.glActiveSurface->shader.inverse_shader );
err = glGetError();
}
else
#endif
{
Image output_image;
output_image = GetInvertedImage( pifSrc );
glBindTexture( GL_TEXTURE_2D, output_image->glActiveSurface );
glColor4ub( 255,255,255,255 );
}
}
glBegin(GL_TRIANGLE_STRIP);
//glBegin(GL_QUADS);
scale( v1[v], v1[v], l.scale );
scale( v2[v], v2[v], l.scale );
scale( v3[v], v3[v], l.scale );
scale( v4[v], v4[v], l.scale );
glTexCoord2f(x_size, y_size); glVertex3fv(v1[v]); // Bottom Left Of The Texture and Quad
glTexCoord2f(x_size, y_size2); glVertex3fv(v2[v]); // Top Left Of The Texture and Quad
glTexCoord2f(x_size2, y_size); glVertex3fv(v4[v]); // Bottom Right Of The Texture and Quad
glTexCoord2f(x_size2, y_size2); glVertex3fv(v3[v]); // Top Right Of The Texture and Quad
// Back Face
glEnd();
#if !defined( __ANDROID__ )
if( method == BLOT_MULTISHADE )
{
if( l.glActiveSurface->shader.multi_shader )
{
glDisable(GL_FRAGMENT_PROGRAM_ARB);
}
}
else if( method == BLOT_INVERTED )
{
if( l.glActiveSurface->shader.inverse_shader )
{
glDisable(GL_FRAGMENT_PROGRAM_ARB);
}
}
#endif
glBindTexture(GL_TEXTURE_2D, 0); // Select Our Texture
}
}
else
{
switch( method )
{
case BLOT_COPY:
if( !nTransparent )
CopyPixelsT0( po, pi, oo, oi, ws, hs );
else if( nTransparent == 1 )
CopyPixelsT1( po, pi, oo, oi, ws, hs );
else if( nTransparent & ALPHA_TRANSPARENT )
CopyPixelsTImgA( po, pi, oo, oi, ws, hs, nTransparent & 0xFF);
else if( nTransparent & ALPHA_TRANSPARENT_INVERT )
CopyPixelsTImgAI( po, pi, oo, oi, ws, hs, nTransparent & 0xFF );
else
CopyPixelsTA( po, pi, oo, oi, ws, hs, nTransparent );
break;
case BLOT_SHADED:
if( !nTransparent )
CopyPixelsShadedT0( po, pi, oo, oi, ws, hs
, va_arg( colors, CDATA ) );
else if( nTransparent == 1 )
CopyPixelsShadedT1( po, pi, oo, oi, ws, hs
, va_arg( colors, CDATA ) );
else if( nTransparent & ALPHA_TRANSPARENT )
CopyPixelsShadedTImgA( po, pi, oo, oi, ws, hs, nTransparent & 0xFF
, va_arg( colors, CDATA ) );
else if( nTransparent & ALPHA_TRANSPARENT_INVERT )
CopyPixelsShadedTImgAI( po, pi, oo, oi, ws, hs, nTransparent & 0xFF
, va_arg( colors, CDATA ) );
else
CopyPixelsShadedTA( po, pi, oo, oi, ws, hs, nTransparent
, va_arg( colors, CDATA ) );
break;
case BLOT_MULTISHADE:
{
CDATA r,g,b;
r = va_arg( colors, CDATA );
g = va_arg( colors, CDATA );
b = va_arg( colors, CDATA );
//lprintf( WIDE( "r g b %08x %08x %08x" ), r,g, b );
if( !nTransparent )
CopyPixelsMultiT0( po, pi, oo, oi, ws, hs
, r, g, b );
else if( nTransparent == 1 )
CopyPixelsMultiT1( po, pi, oo, oi, ws, hs
, r, g, b );
else if( nTransparent & ALPHA_TRANSPARENT )
CopyPixelsMultiTImgA( po, pi, oo, oi, ws, hs, nTransparent & 0xFF
, r, g, b );
else if( nTransparent & ALPHA_TRANSPARENT_INVERT )
CopyPixelsMultiTImgAI( po, pi, oo, oi, ws, hs, nTransparent & 0xFF
, r, g, b );
else
CopyPixelsMultiTA( po, pi, oo, oi, ws, hs, nTransparent
, r, g, b );
}
break;
}
MarkImageUpdated( pifDest );
}
lock = 0;
//lprintf( WIDE( "Image done.." ) );
}
