Method updateSignGUI

src/interface/bookgui.cpp:746–1195

}

void Player::SignGUI_t::updateSignGUI()
{
	if ( !signFrame )
	{
		createSignGUI();
	}

	bool errorOpening = false;
	if ( signName == "" || ScriptTextParser.allEntries.find(signName) == ScriptTextParser.allEntries.end() )
	{
		errorOpening = true;
	}

	if ( player.GUI.activeModule != player.GUI.MODULE_SIGN_VIEW || player.gui_mode != GUI_MODE_SIGN )
	{
		bSignOpen = false;
	}
	else if ( player.entity )
	{
		real_t dist = sqrt(pow(signWorldCoordX - player.entity->x, 2) + pow(signWorldCoordY - player.entity->y, 2));
		if ( dist > TOUCHRANGE )
		{
			errorOpening = true;
		}
	}

	if ( !bSignOpen || errorOpening || !player.isLocalPlayerAlive() )
	{
		auto innerFrame = signFrame->findFrame("sign frame");
		SDL_Rect pos = innerFrame->getSize();
		signFadeInAnimationY = 0.0;
		pos.y = -pos.h;
		innerFrame->setSize(pos);

		auto fade = signFrame->findImage("fade img");
		Uint8 r, g, b, a;
		getColor(fade->color, &r, &g, &b, &a);
		a = 0;
		fade->color = makeColor(r, g, b, a);

		closeSignGUI();
		return;
	}

	signFrame->setDisabled(false);
	signFrame->setSize(SDL_Rect{ players[player.playernum]->camera_virtualx1(),
		players[player.playernum]->camera_virtualy1(),
		players[player.playernum]->camera_virtualWidth(),
		players[player.playernum]->camera_virtualHeight() });

	auto innerFrame = signFrame->findFrame("sign frame");
	SDL_Rect bookSize = innerFrame->getSize();
	bookSize.x = signFrame->getSize().w / 2 - bookSize.w / 2;

	const real_t fpsScale = getFPSScale(50.0); // ported from 50Hz
	real_t setpointDiffX = fpsScale * std::max(.01, (1.0 - signFadeInAnimationY)) / 5.0;
	signFadeInAnimationY += setpointDiffX;
	signFadeInAnimationY = std::min(1.0, signFadeInAnimationY);