分批更新
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4f511a2a5d
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@ -123,7 +123,8 @@ void MapPresent::paintEvent(QPaintEvent* ev)
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if (_updated_index_list.size()) {
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if (_updated_index_list.size()) {
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QPainter pic_painter(&_paint_buffer);
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QPainter pic_painter(&_paint_buffer);
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for (auto unit_idx : _updated_index_list) {
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const int update_batch_count = 1200;
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for (auto unit_idx : _updated_index_list.mid(0, update_batch_count)) {
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pic_painter.save();
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pic_painter.save();
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auto opt = _visible_units[unit_idx];
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auto opt = _visible_units[unit_idx];
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@ -147,7 +148,10 @@ void MapPresent::paintEvent(QPaintEvent* ev)
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pic_painter.restore();
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pic_painter.restore();
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}
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}
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_updated_index_list.clear();
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_updated_index_list = _updated_index_list.mid(update_batch_count);
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if (_updated_index_list.size()) {
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this->update();
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}
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}
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}
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QPainter widget_painter(this);
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QPainter widget_painter(this);
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