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

264 lines
8.1 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 <typeinfo>
#include "afx/arcaneFX.h"
#include "afx/afxEffectDefs.h"
#include "afx/afxEffectWrapper.h"
#include "afx/afxChoreographer.h"
#include "afx/ce/afxAreaDamage.h"
//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
// afxEA_AreaDamage
class afxEA_AreaDamage : public afxEffectWrapper
{
typedef afxEffectWrapper Parent;
afxAreaDamageData* damage_data;
Point3F impact_pos;
bool damage_is_done;
SceneObject* cons_obj;
void do_runtime_substitutions();
void deal_area_damage();
void apply_damage(ShapeBase*, F32 damage, const char* flavor, Point3F& pos);
void apply_impulse(ShapeBase*, F32 impulse, Point3F& pos);
void notify_damage_source(ShapeBase* damaged, F32 damage, const char* flavor, Point3F& pos);
public:
/*C*/ afxEA_AreaDamage();
/*C*/ ~afxEA_AreaDamage();
virtual bool isDone();
virtual void ea_set_datablock(SimDataBlock*);
virtual bool ea_start();
virtual bool ea_update(F32 dt);
virtual void ea_finish(bool was_stopped);
};
//~~~~~~~~~~~~~~~~~~~~//
afxEA_AreaDamage::afxEA_AreaDamage()
{
damage_data = 0;
impact_pos.zero();
damage_is_done = false;
cons_obj = 0;
}
afxEA_AreaDamage::~afxEA_AreaDamage()
{
if (damage_data && damage_data->isTempClone())
delete damage_data;
damage_data = 0;
}
bool afxEA_AreaDamage::isDone()
{
return damage_is_done;
}
void afxEA_AreaDamage::ea_set_datablock(SimDataBlock* db)
{
damage_data = dynamic_cast<afxAreaDamageData*>(db);
}
bool afxEA_AreaDamage::ea_start()
{
if (!damage_data)
{
Con::errorf("afxEA_AreaDamage::ea_start() -- missing or incompatible datablock.");
return false;
}
do_runtime_substitutions();
return true;
}
bool afxEA_AreaDamage::ea_update(F32 dt)
{
if (!damage_is_done)
{
afxConstraint* pos_cons = getPosConstraint();
if (pos_cons)
{
pos_cons->getPosition(impact_pos);
cons_obj = pos_cons->getSceneObject();
}
deal_area_damage();
damage_is_done = true;
}
return true;
}
void afxEA_AreaDamage::ea_finish(bool was_stopped)
{
damage_is_done = false;
}
void afxEA_AreaDamage::do_runtime_substitutions()
{
// only clone the datablock if there are substitutions
if (damage_data->getSubstitutionCount() > 0)
{
// clone the datablock and perform substitutions
afxAreaDamageData* orig_db = damage_data;
damage_data = new afxAreaDamageData(*orig_db, true);
orig_db->performSubstitutions(damage_data, mChoreographer, mGroup_index);
}
}
// radiusDamage(%sourceObject, %position, %radius, %damage, %damageType, %impulse, %excluded)
void afxEA_AreaDamage::deal_area_damage()
{
// initContainerRadiusSearch -- afterwards Container::mSearchList contains objects within radius sorted by distance
gServerContainer.initRadiusSearch(impact_pos, damage_data->radius, ShapeBaseObjectType);
F32 halfradius = damage_data->radius*0.5f;
const Vector<SimObjectPtr<SceneObject>*>& list = gServerContainer.getRadiusSearchList();
for (S32 i = 0; i < list.size(); i++)
{
if (!list[i]->isNull())
{
ShapeBase* shape = dynamic_cast<ShapeBase*>((SceneObject*)(*list[i]));
if (!shape || (shape->getTypeMask() & CameraObjectType))
continue;
if (damage_data->exclude_cons_obj && cons_obj == *list[i])
continue;
#if 0 // AFX_T3D_DISABLED -- calcExplosionCoverage() is a script function
// so we currently assign a coverage value of 1.0.
U32 mask = InteriorObjectType | TerrainObjectType | VehicleObjectType;
F32 coverage = calcExplosionCoverage(impact_pos, shape, mask);
if (coverage == 0.0f)
continue;
#else
F32 coverage = 1.0f;
#endif
// calulate distance
Point3F pos;
shape->getWorldBox().getCenter(&pos);
F32 dist = (pos - impact_pos).len();
F32 min_dist = shape->getWorldBox().len_x();
if (shape->getWorldBox().len_y() < min_dist)
min_dist = shape->getWorldBox().len_y();
if (shape->getWorldBox().len_z() < min_dist)
min_dist = shape->getWorldBox().len_z();
dist -= min_dist;
if (dist < 0)
dist = 0;
F32 dist_scale = (dist < halfradius) ? 1.0f : 1.0f - ((dist - halfradius)/halfradius);
F32 damage = damage_data->amount*coverage*dist_scale;
apply_damage(shape, damage, damage_data->flavor, impact_pos);
apply_impulse(shape, damage_data->impulse*dist_scale, impact_pos);
if (damage_data->notify_damage_src)
notify_damage_source(shape, damage, damage_data->flavor, impact_pos);
}
}
}
void afxEA_AreaDamage::notify_damage_source(ShapeBase* damaged, F32 damage, const char* flavor, Point3F& pos)
{
if (mIsZero(damage))
return;
char *posArg = Con::getArgBuffer(64);
dSprintf(posArg, 64, "%f %f %f", pos.x, pos.y, pos.z);
Con::executef(mChoreographer->getDataBlock(), "onInflictedAreaDamage",
mChoreographer->getIdString(),
damaged->getIdString(),
Con::getFloatArg(damage),
flavor,
posArg);
}
void afxEA_AreaDamage::apply_damage(ShapeBase* shape, F32 damage, const char* flavor, Point3F& pos)
{
if (mIsZero(damage))
return;
char *posArg = Con::getArgBuffer(64);
dSprintf(posArg, 64, "%f %f %f", pos.x, pos.y, pos.z);
Con::executef(shape, "damage",
mChoreographer->getIdString(),
posArg,
Con::getFloatArg(damage),
flavor);
}
void afxEA_AreaDamage::apply_impulse(ShapeBase* shape, F32 impulse, Point3F& pos)
{
if (impulse <= 0.0f)
return;
Point3F center; shape->getWorldBox().getCenter(&center);
VectorF impulse_vec = center - pos;
impulse_vec.normalizeSafe();
impulse_vec *= impulse;
shape->applyImpulse(pos, impulse_vec);
}
//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
class afxEA_AreaDamageDesc : public afxEffectAdapterDesc, public afxEffectDefs
{
static afxEA_AreaDamageDesc desc;
public:
virtual bool testEffectType(const SimDataBlock*) const;
virtual bool requiresStop(const afxEffectWrapperData*, const afxEffectTimingData&) const { return false; }
virtual bool runsOnServer(const afxEffectWrapperData*) const { return true; }
virtual bool runsOnClient(const afxEffectWrapperData*) const { return false; }
virtual afxEffectWrapper* create() const { return new afxEA_AreaDamage; }
};
afxEA_AreaDamageDesc afxEA_AreaDamageDesc::desc;
bool afxEA_AreaDamageDesc::testEffectType(const SimDataBlock* db) const
{
return (typeid(afxAreaDamageData) == typeid(*db));
}
//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//