TLTreeItem* PointSearch (TLTreeItem* pStart, POINT mpt, int* iType) {
TLTreeItem* p;
TLTreeItem* pp;
p = pStart;
while (p) {
if (PtInRect (&p->buttonRect, mpt)) {
*iType = TLK_BUTTON;
return p;
}
if (PtInRect (&p->selectRect, mpt)) {
*iType = TLK_SELECT;
return p;
}
if (p->state & TLIS_EXPANDED) {
pp = PointSearch (p->childItem, mpt, iType);
if (pp) return pp;
}
if (p->buttonRect.right < p->buttonRect.left) {
*iType = TLK_NONE;
return NULL;
}
p = p->nextItem;
}
*iType = TLK_NONE;
return NULL;
}
void TLLeftButtonDblClk (TLWndData* pWD, WPARAM wParam, LPARAM lParam) {
int iHitType;
TLTreeItem* pHit;
POINT mpt;
BOOL bControl;
mpt.x = LOWORD (lParam);
mpt.y = HIWORD (lParam);
if (wParam & MK_CONTROL) bControl = TRUE;
else bControl = FALSE;
pHit = PointSearch (pWD->rootItem, mpt, &iHitType);
switch (iHitType) {
case TLK_NONE :
break;
case TLK_BUTTON :
if (pHit->state & TLIS_EXPANDED) {
pHit->state &= ~TLIS_EXPANDED;
}
else {
pHit->state |= TLIS_EXPANDED;
if (bControl)
TLExpandTree (pHit->childItem);
TLExpandAutoScroll (pWD, pHit);
}
InvalidateRect (pWD->hWnd, &pWD->tlInval, TRUE);
break;
case TLK_SELECT :
if (pHit->childItem) {
if (pHit->state & TLIS_EXPANDED) {
pHit->state &= ~TLIS_EXPANDED;
}
else {
pHit->state |= TLIS_EXPANDED;
if (bControl)
TLExpandTree (pHit->childItem);
TLExpandAutoScroll (pWD, pHit);
}
InvalidateRect (pWD->hWnd, &pWD->tlInval, TRUE);
}
else {
pWD->nmTreeList.itemOld.hItem = NULL;
pWD->nmTreeList.itemNew.hItem = (HTLITEM)pHit;
pWD->nmTreeList.itemNew.state = pHit->state;
pWD->nmTreeList.flags = TLC_BYMOUSE;
pWD->nmTreeList.hdr.code = TLN_ITEMDBLCLICKED;
pWD->nmTreeList.ptDrag = mpt;
SendMessage (pWD->hWndParent, WM_NOTIFY, pWD->id,
(LPARAM)&(pWD->nmTreeList));
}
break;
}
}
void PolygonCollider::Init(std::vector<Vec2>& vec)
{
mType = PolygonType;
FirstPoint(vec);
PointAngle(vec);
PointSort(vec, vertices);
PointSearch(vec, vertices);
Vec2 normal{};
Vec2 u = vertices[1] - vertices[0];
Vec2 v = vertices[2] - vertices[0];
normal = Cross(u, v);
Normalize(normal);
for (unsigned i = 0; i < vertices.size(); i++)
{
vertices[i].nx = normal.x;
vertices[i].ny = normal.y;
vertices[i].nz = normal.z;
}
COPY_TO_VERTEXBUFFER();
axes.reserve(getVertsNum());
for (unsigned i = 0; i < getVertsNum(); i++) {
// get the current vertex
Vec2 p1 = vertices[i];
// get the next vertex
Vec2 p2 = vertices[i + 1 == getVertsNum() ? 0 : i + 1];
// subtract thw two to get the edge vector
Vec2 edge = Subtract(p1, p2);
// get either perpendicular vector
Vec2 normal = edge.Perpendicular();
Normalize(normal);
axes.emplace_back(normal);
}
}
void TLRightButtonDown (TLWndData* pWD, WPARAM wParam, LPARAM lParam) {
int iHitType;
TLTreeItem* pHit;
POINT mpt;
if (wParam & MK_CONTROL) return;
if (GetKeyState (VK_SHIFT) & 0x8000) return;
mpt.x = LOWORD (lParam);
mpt.y = HIWORD (lParam);
pWD->nmTreeList.flags = 0;
pWD->nmTreeList.itemNew.hItem = NULL;
pWD->nmTreeList.itemOld.hItem = NULL;
pHit = PointSearch (pWD->rootItem, mpt, &iHitType);
switch (iHitType) {
case TLK_NONE :
TLDeselectTree (pWD, pWD->rootItem, NULL);
pWD->firstSelectItem = NULL;
pWD->nmTreeList.flags |= TLC_BYMOUSE;
if (pWD->focusItem) {
pHit = pWD->focusItem;
pWD->focusItem = NULL;
TLInvalidateItem (pWD, pHit);
}
break;
case TLK_BUTTON :
break;
case TLK_SELECT :
SendMessage (pWD->hWndToolTip, TTM_TRACKACTIVATE, FALSE, 0);
if (!(pHit->state & TLIS_SELECTED)) {
TLDeselectTree (pWD, pWD->rootItem, pHit);
pHit->state |= TLIS_SELECTED;
pWD->iNumberSelected = 1;
if (TLSelectAutoScroll (pWD, pHit))
InvalidateRect (pWD->hWnd, &pWD->tlInval, TRUE);
pWD->nmTreeList.itemNew.hItem = (HTLITEM)pHit;
pWD->nmTreeList.itemNew.state = pHit->state;
pWD->nmTreeList.flags |= TLC_BYMOUSE;
}
if (pWD->focusItem) {
pWD->focusItem->state &= ~TLIS_FOCUSED;
pWD->nmTreeList.itemOld.hItem = (HTLITEM)pWD->focusItem;
pWD->nmTreeList.itemOld.state = pWD->focusItem->state;
TLInvalidateItem (pWD, pWD->focusItem);
}
pHit->state |= TLIS_FOCUSED;
pWD->focusItem = pHit;
TLInvalidateItem (pWD, pHit);
break;
}
if (pWD->nmTreeList.flags) {
if (pWD->iNumberSelected > 1)
pWD->nmTreeList.flags |= TLC_MULTIPLE;
pWD->nmTreeList.hdr.code = TLN_SELCHANGED;
pWD->nmTreeList.ptDrag = mpt;
SendMessage (pWD->hWndParent, WM_NOTIFY, pWD->id,
(LPARAM)&(pWD->nmTreeList));
}
}
BOOL DragOverInternal (TLWndData* pWD, LPARAM lParam) {
INT irow, iHitType;
TLTreeItem* pHit;
POINT mpt;
BOOL bRet;
BOOL bShift = FALSE;
mpt.x = LOWORD (lParam);
mpt.y = HIWORD (lParam);
pWD->nmTreeList.hdr.code = 0;
pWD->nmTreeList.itemNew.hItem = NULL;
pWD->nmTreeList.itemNew.state = 0;
pWD->nmTreeList.itemOld.hItem = NULL;
pHit = PointSearch (pWD->rootItem, mpt, &iHitType);
switch (iHitType) {
case TLK_NONE :
TLDeDragOverTree (pWD, pWD->rootItem, NULL);
SetCursor (pWD->hCursorNoDrag);
pWD->firstSelectItem = NULL;
if (pWD->focusItem) {
pHit = pWD->focusItem;
pWD->focusItem = NULL;
}
pWD->nmTreeList.itemNew.hItem = NULL;
pWD->nmTreeList.itemNew.state = 0;
pWD->nmTreeList.hdr.code = TLN_DRAGGEDOVER;
bRet = FALSE;
break;
default :
if (pWD->uDragScrollState == 0) {
irow = 0;
TLGetRow (pWD->rootItem, pHit, &irow);
if (irow == pWD->iFirstRow) {
pWD->iFirstRow--;
if (pWD->iFirstRow < 0)
pWD->iFirstRow = 0;
else {
SetTimer (pWD->hWnd, DRAGSCROLLTIMERID,
DRAGSCROLLTIME, NULL);
pWD->uDragScrollState = DRAGSCROLL_DOWN;
pWD->nmTreeList.itemNew.hItem = NULL;
pWD->nmTreeList.itemNew.state = 0;
pWD->nmTreeList.hdr.code = TLN_AUTOSCROLLED;
pWD->nmTreeList.flags |= TLC_BYMOUSE;
SendMessage (pWD->hWndParent, WM_NOTIFY, pWD->id,
(LPARAM)&(pWD->nmTreeList));
}
}
if (irow == (pWD->iFirstRow + pWD->iMaxRows)) {
pWD->iFirstRow++;
SetTimer (pWD->hWnd, DRAGSCROLLTIMERID,
DRAGSCROLLTIME, NULL);
pWD->uDragScrollState = DRAGSCROLL_UP;
pWD->nmTreeList.itemNew.hItem = NULL;
pWD->nmTreeList.itemNew.state = 0;
pWD->nmTreeList.hdr.code = TLN_AUTOSCROLLED;
pWD->nmTreeList.flags |= TLC_BYMOUSE;
SendMessage (pWD->hWndParent, WM_NOTIFY, pWD->id,
(LPARAM)&(pWD->nmTreeList));
}
}
TLDeDragOverTree (pWD, pWD->rootItem, pHit);
SetCursor (pWD->hCursorDragging);
pWD->iNumberSelected = 0;
pHit->state |= TLIS_DRAGGEDOVER;
(pWD->iNumberSelected)++;
pWD->nmTreeList.itemNew.hItem = (HTLITEM)pHit;
pWD->nmTreeList.itemNew.state = pHit->state;
pWD->nmTreeList.hdr.code = TLN_DRAGGEDOVER;
if (pWD->focusItem != pHit) {
if (pWD->focusItem) {
pWD->focusItem->state &= ~TLIS_FOCUSED;
pWD->nmTreeList.itemOld.hItem = (HTLITEM)pWD->focusItem;
pWD->nmTreeList.itemOld.state = pWD->focusItem->state;
}
}
bRet = TRUE;
break;
}
if (pWD->nmTreeList.hdr.code) {
pWD->nmTreeList.flags |= TLC_BYMOUSE;
pWD->nmTreeList.ptDrag = mpt;
SendMessage (pWD->hWndParent, WM_NOTIFY, pWD->id,
(LPARAM)&(pWD->nmTreeList));
}
return bRet;
}
