void Viz::_paint_hud()

in roboschool/cpp-household/render-hud.cpp [7:107]

• 74 lines of code
• 26 McCabe index (conditional complexity)

void Viz::_paint_hud()
{
	using namespace SimpleRender;
	const float MARGIN = 5.0f;

//	if (!billboards.empty()) {
//		const int TIMEOUT_SEC = 3;
//		if (billboards.back().ts + 1000*TIMEOUT_SEC < QDateTime::currentMSecsSinceEpoch())
//			billboards.pop_back();
//		for (ConsoleMessage& msg: billboards) {
//			glRasterPos3f( msg.pos.x(), msg.pos.y(), msg.pos.z() );
//			glPixelZoom(1.0, -1.0);
//			glDrawPixels(
//				msg.msg_image.width(), msg.msg_image.height(),
//				GL_BGRA, GL_UNSIGNED_BYTE,
//				msg.msg_image.bits() );
//			msg.pos.m_floats[2] += 0.01*Household::SCALE; // float upwards
//		}
//	}

	if ((~view_options & (VIEW_NO_HUD|VIEW_NO_CAPTIONS))==0) return;

	render_viewport->hud_update_start();

	int top;
	if (~view_options&VIEW_NO_CAPTIONS)
		top = render_viewport->hud_print_score(score);
	else
		top = MARGIN;

	QRect area(QPoint(0,0), render_viewport->hud_image.size());
	QPainter p(&render_viewport->hud_image);
	p.setCompositionMode(QPainter::CompositionMode_Source);
	p.setPen(QColor(0xFFFFFF));
	p.setFont(cx->score_font_small);

	int bottom = win_h - MARGIN;
	top += MARGIN;
	if (( !console.empty() || !caption.msg_image.isNull() ) && (~view_options&VIEW_NO_CAPTIONS)) {
		const int CONSOLE_SPACING     = 10;
		const int CONSOLE_TIMEOUT_SEC = 7;
		if (!console.empty() && console.back().ts + 1000*CONSOLE_TIMEOUT_SEC < QDateTime::currentMSecsSinceEpoch())
			console.pop_back();

		if (!caption.msg_text.isEmpty()) {
			QRect r(0, win_h - caption.msg_image.height(), caption.msg_image.width(), caption.msg_image.height());
			p.drawImage(r, caption.msg_image);
			render_viewport->hud_update(r);
			bottom -= caption.msg_image.height();
		}

		for (const ConsoleMessage& msg: console) {
			bottom -= msg.msg_image.height();
			if (bottom < 0) break;
			QRect r(MARGIN, bottom, msg.msg_image.width(), msg.msg_image.height());
			p.drawImage(r, msg.msg_image);
			render_viewport->hud_update(r);
			bottom -= CONSOLE_SPACING;
		}
	}

	history_advance(true);

	int right = area.right() - HIST - MARGIN;
	if (obs_hist.size() && (~view_options&VIEW_NO_HUD)) {
		for (int c=0; c<(int)obs.size(); ++c) {
			int x = right;
			int y = top + 26*c;
			QRect r(x, y, HIST, 20);
			if ( (area & r) != r ) continue;
			if ( r.bottom() > bottom ) continue;
			drawhist(p, "obs", c, r, &obs_hist[0] + HIST*c, &obs[0] + c);
		}
	}

	int top_reward = bottom;
	if (reward_hist.size() && (~view_options&VIEW_NO_HUD)) {
		for (int c=0; c<(int)reward.size(); ++c) {
			int x = MARGIN;
			int y = bottom - 56.0*((int)reward.size()-1-c);
			QRect r(x, y-50, HIST, 50);
			if ( (area & r) != r ) continue;
			top_reward = r.top();
			if ( r.top() < top ) continue;
			drawhist(p, "rew", c, r, &reward_hist[0] + HIST*c, &reward[0] + c);
		}
	}

	if (action_hist.size() && (~view_options&VIEW_NO_HUD)) {
		for (int c=0; c<(int)action.size(); ++c) {
			int x = MARGIN;
			int y = top + 26*c;
			QRect r(x, y, HIST, 20);
			if ( (area & r) != r ) continue;
			if ( r.bottom() > top_reward ) continue;
			drawhist(p, "act", c, r, &action_hist[0] + HIST*c, &action[0] + c);
		}
	}

	render_viewport->hud_update_finish();
}