LandscapeMovement.cpp

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D 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.
//
//    Scorched3D 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 Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#include <landscapedef/LandscapeMovement.h>
#include <XML/XMLNode.h>
#include <common/Defines.h>

LandscapeMovementType *LandscapeMovementType::create(const char *type)
{
        if (0 == strcmp(type, "boids")) return new LandscapeMovementTypeBoids;
        if (0 == strcmp(type, "ships")) return new LandscapeMovementTypeShips;
        if (0 == strcmp(type, "spline")) return new LandscapeMovementTypeSpline;
        S3D::dialogMessage("LandscapeMovementType", S3D::formatStringBuffer("Unknown movement type %s", type));
        return 0;
}

bool LandscapeMovementType::readXML(XMLNode *node)
{
        if (!node->getNamedChild("groupname", groupname)) return false;

        return node->failChildren();
}

bool LandscapeMovementTypeShips::readXML(XMLNode *node)
{
        if (!node->getNamedChild("speed", speed)) return false;
        if (!node->getNamedChild("controlpoints", controlpoints)) return false;
        if (!node->getNamedChild("controlpointswidth", controlpointswidth)) return false;
        if (!node->getNamedChild("controlpointsheight", controlpointsheight)) return false;
        if (!node->getNamedChild("controlpointsrand", controlpointsrand)) return false;
        if (!node->getNamedChild("starttime", starttime)) return false;

        return LandscapeMovementType::readXML(node);
}

bool LandscapeMovementTypeSpline::readXML(XMLNode *node)
{
        if (!node->getNamedChild("speed", speed)) return false;
        if (!node->getNamedChild("starttime", starttime)) return false;
        if (!node->getNamedChild("groundonly", groundonly)) return false;
        FixedVector point;
        while (node->getNamedChild("controlpoint", point, false))
        {
                points.push_back(point);
        }

        if (points.size() < 3) return node->returnError("Must have at least 3 control points");

        return LandscapeMovementType::readXML(node);
}

bool LandscapeMovementTypeBoids::readXML(XMLNode *node)
{
        if (!node->getNamedChild("minbounds", minbounds)) return false;
        if (!node->getNamedChild("maxbounds", maxbounds)) return false;
        if (!node->getNamedChild("maxvelocity", maxvelocity)) return false;
        if (!node->getNamedChild("cruisedistance", cruisedistance)) return false;
        if (!node->getNamedChild("maxacceleration", maxacceleration)) return false;

        if (maxbounds[0] - minbounds[0] < fixed(25) ||
                maxbounds[1] - minbounds[1] < fixed(25) ||
                maxbounds[2] - minbounds[2] < fixed(10))
        {
                return node->returnError(
                        "Boid bounding box is too small, it must be at least 25x10 units");
        }

        return LandscapeMovementType::readXML(node);
}

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