TorqueGameEngines/Torque3D
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DavidWyand-GG 2012-09-19 11:15:01 -04:00
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Engine/source/T3D/containerQuery.cpp Normal file
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//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------
#include "platform/platform.h"
#include "T3D/containerQuery.h"
#include "scene/sceneObject.h"
#include "environment/waterObject.h"
#include "T3D/physicalZone.h"
void findRouter( SceneObject *obj, void *key )
{
if (obj->getTypeMask() & WaterObjectType)
waterFind(obj, key);
else if (obj->getTypeMask() & PhysicalZoneObjectType)
physicalZoneFind(obj, key);
else {
AssertFatal(false, "Error, must be either water or physical zone here!");
}
}
void waterFind( SceneObject *obj, void *key )
{
PROFILE_SCOPE( waterFind );
// This is called for each WaterObject the ShapeBase object is overlapping.
ContainerQueryInfo *info = static_cast<ContainerQueryInfo*>(key);
WaterObject *water = dynamic_cast<WaterObject*>(obj);
AssertFatal( water != NULL, "containerQuery - waterFind(), passed object was not of class WaterObject!");
// Get point at the bottom/center of the box.
Point3F testPnt = info->box.getCenter();
testPnt.z = info->box.minExtents.z;
F32 coverage = water->getWaterCoverage(info->box);
// Since a WaterObject can have global bounds we may get this call
// even though we have zero coverage. If so we want to early out and
// not save the water properties.
if ( coverage == 0.0f )
return;
// Add in flow force. Would be appropriate to try scaling it by coverage
// thought. Or perhaps have getFlow do that internally and take
// the box parameter.
info->appliedForce += water->getFlow( testPnt );
// Only save the following properties for the WaterObject with the
// greatest water coverage for this ShapeBase object.
if ( coverage < info->waterCoverage )
return;
info->waterCoverage = coverage;
info->liquidType = water->getLiquidType();
info->waterViscosity = water->getViscosity();
info->waterDensity = water->getDensity();
info->waterHeight = water->getSurfaceHeight( Point2F(testPnt.x,testPnt.y) );
info->waterObject = water;
}
void physicalZoneFind(SceneObject* obj, void *key)
{
PROFILE_SCOPE( physicalZoneFind );
ContainerQueryInfo *info = static_cast<ContainerQueryInfo*>(key);
PhysicalZone* pz = dynamic_cast<PhysicalZone*>(obj);
AssertFatal(pz != NULL, "Error, not a physical zone!");
if (pz == NULL || pz->testBox(info->box) == false)
return;
if (pz->isActive()) {
info->gravityScale *= pz->getGravityMod();
info->appliedForce += pz->getForce();
}
}