void CameraControl::OnExcute(float sec)
{
float move_speed = m_move_speed;
// 前后移动
float len = sec * move_speed * m_fDirection;
if (len != 0)
{
// 前后平移
MoveFront(-len);
}
// 上下移动
float len1 = sec * move_speed * m_fUpDirection;
if (len1 != 0)
{
MoveUp(len1);
}
// 左右平移
float delta = sec * move_speed * m_fShiftDirection;
if (delta != 0)
{
MoveShift(delta);
}
}
void
TerminalDisplay::Move(Pos p) {
Attach();
if (fWritePos == p) return;
if (fWritePos.fLine > p.fLine) {
MoveUp(fWritePos.fLine - p.fLine);
fWritePos.fLine -= fWritePos.fLine - p.fLine;
} else if (fWritePos.fLine < p.fLine) {
MoveDown(p.fLine - fWritePos.fLine);
fWritePos.fLine += p.fLine - fWritePos.fLine;
}
if (p.fCol == 0) {
MoveFront();
fWritePos.fCol = 0;
} else if (fWritePos.fCol > p.fCol) {
MoveLeft(fWritePos.fCol - p.fCol);
fWritePos.fCol -= fWritePos.fCol - p.fCol;
} else if (p.fCol > fWritePos.fCol) {
MoveRight(p.fCol - fWritePos.fCol);
fWritePos.fCol += p.fCol - fWritePos.fCol;
}
}
size_t
TerminalDisplay::WriteWrappedElement(const Text& Element, size_t TextOffset,
size_t WriteOffset, size_t Requested) {
size_t Start = TextOffset;
size_t Remaining = Requested;
size_t Available = Element.length() - Start;
if (Requested == (size_t) -1) {
Requested = Available;
}
if (Available > 0) {
if (Available < Remaining) {
Remaining = Available;
}
while (Remaining > 0) {
size_t numThisLine = Remaining;
// How much can this line hold?
size_t numToEOL = GetWidth() - ((Start + WriteOffset) % GetWidth());
if (!numToEOL) {
MoveDown();
++fWritePos.fLine;
MoveFront();
fWritePos.fCol = 0;
numToEOL = GetWidth();
}
if (numThisLine > numToEOL) {
numThisLine = numToEOL;
}
if (GetContext()->GetColorizer()) {
// We only write same-color chunks; how long is it?
const std::vector<char>& Colors = Element.GetColors();
char ThisColor = Colors[Start];
size_t numSameColor = 1;
while (numSameColor < numThisLine
&& ThisColor == Colors[Start + numSameColor])
++numSameColor;
numThisLine = numSameColor;
if (ThisColor != fPrevColor) {
Color C;
GetContext()->GetColorizer()->GetColor(ThisColor, C);
SetColor(ThisColor, C);
fPrevColor = ThisColor;
}
}
WriteRawString(Element.GetText().c_str() + Start, numThisLine);
fWritePos = IndexToPos(PosToIndex(fWritePos) + numThisLine);
if (numThisLine == numToEOL) {
ActOnEOL();
}
Start += numThisLine;
Remaining -= numThisLine;
}
}
if (Requested == Available) {
size_t VisL = fWriteLen / GetWidth();
size_t Wrote = WriteOffset + TextOffset + Requested;
size_t WroteL = Wrote / GetWidth();
size_t NumToEOL = GetWidth() - (Wrote % GetWidth());
if (fWriteLen > Wrote && NumToEOL > 0) {
// Wrote less and not at EOL
EraseToRight();
}
if (WroteL < VisL) {
Pos prevWC = GetCursor();
MoveFront();
fWritePos.fCol = 0;
for (size_t l = WroteL + 1; l <= VisL; ++l) {
MoveDown();
++fWritePos.fLine;
EraseToRight();
}
Move(prevWC);
}
}
return Remaining;
}
