sBool Wz4PDF::TraceRay(sVector31 &p, sVector30 &n, const sRay &ray, const sF32 md, const sF32 mx, const sInt mi)
{
sInt i=0;
sF32 d=10000;
sF32 id=0;
sVector31 np;
sVector31 tp = ray.Start;
do
{
p = tp;
sF32 td = Obj->GetDistance(p);
if (td<=d)
{
d=td;
np=p;
}
tp = tp + ray.Dir * sAbs(td);
id+= sAbs(td);
}while (d>md && i++!=mi && id<mx);
if (d<=md)
Obj->GetNormal(np,n);
return d<=md;
}
sF32 Wz4PDFCube::GetDistance(const sVector31 &p)
{
sF32 t=sAbs(p.x);
t = sMax(t,sAbs(p.y));
t = sMax(t,sAbs(p.z));
t -= 0.5f;
if ((p.x>0.5f || p.x<-0.5f) &&
(p.y>0.5f || p.y<-0.5f) &&
(p.z>0.5f || p.z<-0.5f))
{
sF32 x=p.x>0.0f ? 0.5f:-0.5f;
sF32 y=p.y>0.0f ? 0.5f:-0.5f;
sF32 z=p.z>0.0f ? 0.5f:-0.5f;
x-=p.x;
y-=p.y;
z-=p.z;
t=sSqrt(x*x+y*y+z*z);
}
return t;
}
sBool Wz4ADF::TraceRay(sVector31 &p, sVector30 &n, const sRay &ray, const sF32 md, const sF32 mx, const sInt mi)
{
if (!SDF)
return false;
sAABBox box;
SDF->GetBox(box);
box.Min.x += 1/8192.0f;
box.Min.y += 1/8192.0f;
box.Min.z += 1/8192.0f;
box.Max.x -= 1/8192.0f;
box.Max.y -= 1/8192.0f;
box.Max.z -= 1/8192.0f;
p = ray.Start;
sF32 d;
sF32 mind=0;
sF32 maxd=10000.0;
if (ray.HitAABB(mind,maxd,box.Min,box.Max))
{
p = ray.Start + ray.Dir * mind;
d = 0;
n.x = 0.0f;
n.y = 1.0f;
n.z = 0.0f;
while (SDF->IsInBox(p))
{
d = SDF->GetDistance(p);
if (d<=1.0f/64.0f)
{
SDF->GetNormal(p,n);
return true;
}
n.x = 0.0f;
n.y = 0.0f;
n.z = 1.0f;
p = p + ray.Dir * sAbs(d);
}
}
return false;
}
void PageWin::OnDrag(sDragData &dd)
{
sU32 key;
PageOp *po;
PageDoc *pd;
sInt i,max;
sRect r;
ParaWin *parawin;
sBool pickit;
pd = Doc;
if(pd==0) return;
max = pd->Ops->GetCount();
if(MMBScrolling(dd,DragStartX,DragStartY)) return;
switch(dd.Mode)
{
case sDD_START:
CursorX = sRange<sInt>((dd.MouseX-Client.x0)/PAGEX-1,PAGESX-3,0);
CursorY = sRange<sInt>((dd.MouseY-Client.y0)/PAGEY ,PAGESY-1,0);
CursorWidth = 3;
pickit = 0;
if(dd.Buttons&2)
{
sGui->Post(CMD_POPUP,this);
break;
}
SelectMode = SM_SET;
key = sSystem->GetKeyboardShiftState();
if(key&sKEYQ_SHIFT)
SelectMode = SM_ADD;
if(key&sKEYQ_CTRL)
SelectMode = SM_TOGGLE;
DragMode = DragKey;
if(DragMode==DM_SELECT)
{
po = FindOp(dd.MouseX,dd.MouseY);
if(po)
{
DragMode = DM_PICK;
pickit = 1;
if(po->Selected)
SelectMode = SM_ADD;
}
else
{
DragMode = DM_RECT;
}
}
if(DragMode==DM_DUPLICATE || DragMode==DM_WIDTH || DragMode==DM_MOVE)
{
po = FindOp(dd.MouseX,dd.MouseY);
if(po && !po->Selected)
{
pickit = 1;
SelectMode = SM_SET;
}
}
DragStartX = dd.MouseX;
DragStartY = dd.MouseY;
DragMoveX = 0;
DragMoveY = 0;
DragWidth = 0;
if(DragMode==DM_PICK || pickit)
{
if(SelectMode==SM_SET)
for(i=0;i<max;i++)
pd->Ops->Get(i)->Selected = sFALSE;
EditOp = po = FindOp(dd.MouseX,dd.MouseY);
if(po)
{
parawin = (ParaWin *) App->FindActiveWindow(sCID_TOOL_PARAWIN);
if(parawin)
{
parawin->SetOp(po,Doc);
pd->UpdatePage();
}
if(SelectMode==SM_TOGGLE)
po->Selected = !po->Selected;
else
po->Selected = sTRUE;
}
}
if(DragMode==DM_RECT)
{
DragRect.Init(dd.MouseX,dd.MouseY,dd.MouseX+1,dd.MouseY+1);
EditOp = 0;
}
if(DragMode==DM_SCROLL)
{
DragStartX = ScrollX;
DragStartY = ScrollY;
}
break;
case sDD_DRAG:
switch(DragMode)
{
case DM_PICK:
if(sAbs(dd.DeltaX)>2 || sAbs(dd.DeltaY)>2)
DragMode = DM_MOVE;
break;
case DM_RECT:
DragRect.Init(dd.MouseX,dd.MouseY,DragStartX,DragStartY);
DragRect.Sort();
break;
case DM_MOVE:
case DM_DUPLICATE:
DragMoveX = (dd.DeltaX+1024*PAGEX+PAGEX/2)/PAGEX-1024;
DragMoveY = (dd.DeltaY+1024*PAGEY+PAGEY/2)/PAGEY-1024;
break;
case DM_WIDTH:
DragWidth = (dd.DeltaX+1024*PAGEX+PAGEX/2)/PAGEX-1024;
break;
case DM_SCROLL:
ScrollX = sRange<sInt>(DragStartX-dd.DeltaX,SizeX-RealX,0);
ScrollY = sRange<sInt>(DragStartY-dd.DeltaY,SizeY-RealY,0);
break;
}
break;
case sDD_STOP:
switch(DragMode)
{
case DM_RECT:
for(i=0;i<max;i++)
{
po = pd->Ops->Get(i);
if(SelectMode==SM_SET)
po->Selected = sFALSE;
po->MakeRect(r,Client);
if(r.Hit(DragRect))
{
if(SelectMode==SM_TOGGLE)
po->Selected = !po->Selected;
else
po->Selected = sTRUE;
}
}
break;
case DM_MOVE:
case DM_WIDTH:
if(CheckDest(sFALSE))
MoveDest(sFALSE);
break;
case DM_DUPLICATE:
if(CheckDest(sTRUE))
MoveDest(sTRUE);
break;
}
DragMode = 0;
DragMoveX = 0;
DragMoveY = 0;
DragWidth = 0;
break;
}
}
int blockTrigger(struct dataset * s, int ch, int highestDftSample)
{
if(s == NULL)
return -1;
if(highestDftSample < BACKTRACK)
{
fprintf(stderr, "DFT trigger point too close to left edge of ping.\n");
return -1;
}
fprintf(stderr, "Beginning block triggering using %d blocks at sample %d\n",
BACKTRACK / BLOCKSIZE, highestDftSample);
int i=0, j=0;
int searchStart, searchEnd;
searchStart = highestDftSample - BACKTRACK;
searchEnd = highestDftSample;
int blockMax = 0;
int lastBlockMax = 0;
int blockJump = 0;
int highestJump = 0;
int highestJumpIndex = 0;
int curBlock=0;
int triggeredBlock = 0;
fprintf(stdout, "Searching region %d to %d\n", searchStart, searchEnd);
for(i=searchStart; i<searchEnd; i+= BLOCKSIZE)
{
lastBlockMax = blockMax;
blockMax = sAbs(getSample(s, ch, i+j));
/* Find maximum of this block */
for(j=0; j<BLOCKSIZE; j++)
{
signed short curSample = sAbs(getSample(s, ch, i+j));
if(sAbs(curSample) > blockMax)
blockMax = curSample;
}
blockJump = abs(blockMax - lastBlockMax);
if(blockJump > highestJump)
{
highestJump = blockJump;
highestJumpIndex = i;
triggeredBlock = curBlock;
}
curBlock++;
}
fprintf(stderr, "Highest block jump occurs at sample %d\n", highestJumpIndex);
fprintf(stderr, "Triggered on block %d\n", triggeredBlock);
return highestJumpIndex;
}
static sU32 deltaCode(sInt val, sInt& last)
{
sInt delta = val-last;
last = val;
return sAbs(delta) * 2 - (delta < 0);
}
