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path: root/engines/zvision/control.cpp
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/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#include "common/scummsys.h"

#include "common/stream.h"

#include "zvision/control.h"
#include "zvision/zvision.h"
#include "zvision/render_manager.h"
#include "zvision/utility.h"


namespace ZVision {

void Control::enable() {
	if (!_enabled) {
		_enabled = true;
		return;
	}

	debug("Control %u is already enabled", _key);
}

void Control::disable() {
	if (_enabled) {
		_enabled = false;
		return;
	}

	debug("Control %u is already disabled", _key);
}

void Control::parseFlatControl(ZVision *engine) {
	engine->getRenderManager()->getRenderTable()->setRenderState(RenderTable::FLAT);
}

void Control::parsePanoramaControl(ZVision *engine, Common::SeekableReadStream &stream) {
	RenderTable *renderTable = engine->getRenderManager()->getRenderTable();
	renderTable->setRenderState(RenderTable::PANORAMA);

	// Loop until we find the closing brace
	Common::String line = stream.readLine();
	trimCommentsAndWhiteSpace(&line);

	while (!stream.eos() && !line.contains('}')) {
		if (line.matchString("angle*", true)) {
			float fov;
			sscanf(line.c_str(), "angle(%f)", &fov);
			renderTable->setPanoramaFoV(fov);
		} else if (line.matchString("linscale*", true)) {
			float scale;
			sscanf(line.c_str(), "linscale(%f)", &scale);
			renderTable->setPanoramaScale(scale);
		} else if (line.matchString("reversepana*", true)) {
			uint reverse;
			sscanf(line.c_str(), "reversepana(%u)", &reverse);
			if (reverse == 1) {
				renderTable->setPanoramaReverse(true);
			}
		} else if (line.matchString("zeropoint*", true)) {
			// TODO: Implement
		}

		line = stream.readLine();
		trimCommentsAndWhiteSpace(&line);
	}

	renderTable->generateRenderTable();
}

void Control::parseTiltControl(ZVision *engine, Common::SeekableReadStream &stream) {
	RenderTable *renderTable = engine->getRenderManager()->getRenderTable();
	renderTable->setRenderState(RenderTable::TILT);

	// Loop until we find the closing brace
	Common::String line = stream.readLine();
	trimCommentsAndWhiteSpace(&line);

	while (!stream.eos() && !line.contains('}')) {
		if (line.matchString("angle*", true)) {
			float fov;
			sscanf(line.c_str(), "angle(%f)", &fov);
			renderTable->setTiltFoV(fov);
		} else if (line.matchString("linscale*", true)) {
			float scale;
			sscanf(line.c_str(), "linscale(%f)", &scale);
			renderTable->setTiltScale(scale);
		} else if (line.matchString("reversepana*", true)) {
			uint reverse;
			sscanf(line.c_str(), "reversepana(%u)", &reverse);
			if (reverse == 1) {
				renderTable->setTiltReverse(true);
			}
		}

		line = stream.readLine();
		trimCommentsAndWhiteSpace(&line);
	}

	renderTable->generateRenderTable();
}

} // End of namespace ZVision