Torque3D/Engine/source/afx/xm/afxXM_AltitudeConform.cpp
2018-03-29 17:46:57 -05:00

261 lines
8.3 KiB
C++

//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
// Arcane-FX for MIT Licensed Open Source version of Torque 3D from GarageGames
// Copyright (C) 2015 Faust Logic, Inc.
//
// 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 "afx/arcaneFX.h"
#include "afx/afxEffectWrapper.h"
#include "afx/xm/afxXfmMod.h"
//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
class afxXM_AltitudeConformData : public afxXM_WeightedBaseData
{
typedef afxXM_WeightedBaseData Parent;
public:
F32 height;
bool do_terrain;
bool do_interiors;
U32 interior_types;
U32 terrain_types;
bool do_freeze;
public:
/*C*/ afxXM_AltitudeConformData();
/*C*/ afxXM_AltitudeConformData(const afxXM_AltitudeConformData&, bool = false);
void packData(BitStream* stream);
void unpackData(BitStream* stream);
static void initPersistFields();
afxXM_Base* create(afxEffectWrapper* fx, bool on_server);
DECLARE_CONOBJECT(afxXM_AltitudeConformData);
DECLARE_CATEGORY("AFX");
};
class afxXM_AltitudeConform : public afxXM_WeightedBase
{
typedef afxXM_WeightedBase Parent;
afxXM_AltitudeConformData* mConformData;
SceneContainer* mContainer;
bool mDo_freeze;
bool mIs_frozen;
F32 mTerrain_alt;
F32 mInterior_alt;
Point3F mConformed_pos;
public:
/*C*/ afxXM_AltitudeConform(afxXM_AltitudeConformData*, afxEffectWrapper*, bool on_server);
virtual void updateParams(F32 dt, F32 elapsed, afxXM_Params& params);
};
//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
IMPLEMENT_CO_DATABLOCK_V1(afxXM_AltitudeConformData);
ConsoleDocClass( afxXM_AltitudeConformData,
"@brief An xmod datablock.\n\n"
"@ingroup afxXMods\n"
"@ingroup AFX\n"
"@ingroup Datablocks\n"
);
afxXM_AltitudeConformData::afxXM_AltitudeConformData()
{
height = 0.0f;
do_terrain = false;
do_interiors = true;
do_freeze = false;
interior_types = InteriorLikeObjectType;
terrain_types = TerrainObjectType | TerrainLikeObjectType;
}
afxXM_AltitudeConformData::afxXM_AltitudeConformData(const afxXM_AltitudeConformData& other, bool temp_clone)
: afxXM_WeightedBaseData(other, temp_clone)
{
height = other.height;
do_terrain = other.do_terrain;
do_interiors = other.do_interiors;
do_freeze = other.do_freeze;
interior_types = other.interior_types;
terrain_types = other.terrain_types;
}
void afxXM_AltitudeConformData::initPersistFields()
{
addField("height", TypeF32, Offset(height, afxXM_AltitudeConformData),
"...");
addField("conformToTerrain", TypeBool, Offset(do_terrain, afxXM_AltitudeConformData),
"...");
addField("conformToInteriors", TypeBool, Offset(do_interiors, afxXM_AltitudeConformData),
"...");
addField("freeze", TypeBool, Offset(do_freeze, afxXM_AltitudeConformData),
"...");
addField("interiorTypes", TypeS32, Offset(interior_types, afxXM_AltitudeConformData),
"...");
addField("terrainTypes", TypeS32, Offset(terrain_types, afxXM_AltitudeConformData),
"...");
Parent::initPersistFields();
}
void afxXM_AltitudeConformData::packData(BitStream* stream)
{
Parent::packData(stream);
stream->write(height);
stream->writeFlag(do_terrain);
stream->writeFlag(do_interiors);
stream->writeFlag(do_freeze);
stream->write(interior_types);
stream->write(terrain_types);
}
void afxXM_AltitudeConformData::unpackData(BitStream* stream)
{
Parent::unpackData(stream);
stream->read(&height);
do_terrain = stream->readFlag();
do_interiors = stream->readFlag();
do_freeze = stream->readFlag();
stream->read(&interior_types);
stream->read(&terrain_types);
}
afxXM_Base* afxXM_AltitudeConformData::create(afxEffectWrapper* fx, bool on_server)
{
return new afxXM_AltitudeConform(this, fx, on_server);
}
//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//
afxXM_AltitudeConform::afxXM_AltitudeConform(afxXM_AltitudeConformData* db, afxEffectWrapper* fxw, bool on_server)
: afxXM_WeightedBase(db, fxw)
{
mConformData = db;
mContainer = (on_server) ? &gServerContainer : &gClientContainer;
mDo_freeze = db->do_freeze;
mIs_frozen = false;
mTerrain_alt = -1.0f;
mInterior_alt = -1.0f;
mConformed_pos.zero();
}
void afxXM_AltitudeConform::updateParams(F32 dt, F32 elapsed, afxXM_Params& params)
{
if (mIs_frozen)
{
if (mTerrain_alt >= 0.0f)
fx_wrapper->setTerrainAltitude(mTerrain_alt);
if (mInterior_alt >= 0.0f)
fx_wrapper->setInteriorAltitude(mInterior_alt);
params.pos = mConformed_pos;
return;
}
RayInfo rInfo1, rInfo2;
bool hit1 = false, hit2 = false;
bool hit1_is_interior = false;
// find primary ground
Point3F above_pos(params.pos); above_pos.z += 0.1f;
Point3F below_pos(params.pos); below_pos.z -= 10000;
hit1 = mContainer->castRay(above_pos, below_pos, mConformData->interior_types | mConformData->terrain_types, &rInfo1);
// find secondary ground
if (hit1 && rInfo1.object)
{
hit1_is_interior = ((rInfo1.object->getTypeMask() & mConformData->interior_types) != 0);
U32 mask = (hit1_is_interior) ? mConformData->terrain_types : mConformData->interior_types;
hit2 = mContainer->castRay(above_pos, below_pos, mask, &rInfo2);
}
if (hit1)
{
F32 wt_factor = calc_weight_factor(elapsed);
F32 incoming_z = params.pos.z;
F32 ground1_z = rInfo1.point.z + mConformData->height;
F32 pos_z = ground1_z + (1.0f - wt_factor)*(incoming_z - ground1_z);
if (hit1_is_interior)
{
mInterior_alt = incoming_z - pos_z;
fx_wrapper->setInteriorAltitude(mInterior_alt);
if (mConformData->do_interiors)
params.pos.z = pos_z;
}
else
{
mTerrain_alt = incoming_z - pos_z;
fx_wrapper->setTerrainAltitude(mTerrain_alt);
if (mConformData->do_terrain)
params.pos.z = pos_z;
}
if (hit2)
{
F32 ground2_z = rInfo2.point.z + mConformData->height;
F32 z2 = ground2_z + (1.0f - wt_factor)*(incoming_z - ground2_z);
if (hit1_is_interior)
{
mTerrain_alt = incoming_z - z2;
fx_wrapper->setTerrainAltitude(mTerrain_alt);
}
else
{
mInterior_alt = incoming_z - z2;
fx_wrapper->setInteriorAltitude(mInterior_alt);
}
}
// check for case where interior is underground
else if (hit1_is_interior)
{
RayInfo rInfo0;
Point3F lookup_from_pos(params.pos); lookup_from_pos.z -= 0.1f;
Point3F lookup_to_pos(params.pos); lookup_to_pos.z += 10000;
if (mContainer->castRay(lookup_from_pos, lookup_to_pos, TerrainObjectType, &rInfo0))
{
F32 ground2_z = rInfo0.point.z + mConformData->height;
F32 z2 = ground2_z + (1.0f - wt_factor)*(incoming_z - ground2_z);
mTerrain_alt = z2 - incoming_z;
fx_wrapper->setTerrainAltitude(mTerrain_alt);
}
}
if (mDo_freeze)
{
mConformed_pos = params.pos;
mIs_frozen = true;
}
}
}
//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//