Torque3D/Engine/source/afx/afxEffectWrapper.cpp

//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
// 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 "math/mathIO.h"

#include "afx/ce/afxComponentEffect.h"
#include "afx/afxResidueMgr.h"
#include "afx/afxChoreographer.h"
#include "afx/afxConstraint.h"
#include "afx/xm/afxXfmMod.h"
#include "afx/afxEffectWrapper.h"
#include "afx/util/afxAnimCurve.h"
#include "afx/util/afxEase.h"

//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
// afxEffectWrapperData

IMPLEMENT_CO_DATABLOCK_V1(afxEffectBaseData);

ConsoleDocClass( afxEffectBaseData,
   "@brief A datablock baseclass for afxEffectWrapperData and afxEffectGroupData.\n\n"

   "Not intended to be used directly, afxEffectBaseData exists to provide base member "
   "variables and generic functionality for the derived classes afxEffectWrapperData and "
   "afxEffectGroupData.\n\n"

   "@see afxEffectWrapperData\n\n"
   "@see afxEffectGroupData\n\n"

   "@ingroup afxEffects\n"
   "@ingroup AFX\n"
   "@ingroup Datablocks\n"
);

IMPLEMENT_CO_DATABLOCK_V1(afxEffectWrapperData);

ConsoleDocClass( afxEffectWrapperData,
   "@brief A datablock that describes an Effect Wrapper.\n\n"

   "Conceptually an effect wrapper encloses a building-block effect and acts "
   "as a handle for adding the effect to a choreographer. Effect wrapper fields "
   "primarily deal with effect timing, constraints, and conditional effect execution.\n\n"

   "@see afxEffectBaseData\n\n"
   "@see afxEffectGroupData\n\n"

   "@ingroup afxEffects\n"
   "@ingroup AFX\n"
   "@ingroup Datablocks\n"
);

afxEffectWrapperData::afxEffectWrapperData()
{
  effect_name = ST_NULLSTRING;
  effect_data = 0;
  effect_desc = 0;
  data_ID = 0;
  use_as_cons_obj = false;
  use_ghost_as_cons_obj = false;

  // constraint data
  cons_spec = ST_NULLSTRING;
  pos_cons_spec = ST_NULLSTRING;
  orient_cons_spec = ST_NULLSTRING;
  aim_cons_spec = StringTable->insert("camera");
  life_cons_spec = ST_NULLSTRING;

  // conditional execution flags
  effect_enabled = true;
  ranking_range.set(0,255);
  lod_range.set(0,255);
  life_conds = 0;
  for (S32 i = 0; i < MAX_CONDITION_STATES; i++)
  { 
    exec_cond_on_bits[i] = 0;
    exec_cond_off_bits[i] = 0;
    exec_cond_bitmasks[i] = 0;
  }

  ewd_timing.lifetime = -1;

  user_fade_out_time = 0.0;

  is_looping = false;
  n_loops = 0;
  loop_gap_time = 0.0f;

  ignore_time_factor = false;
  propagate_time_factor = false;

  // residue settings

  // scaling factors
  rate_factor = 1.0f;
  scale_factor = 1.0f;

  dMemset(xfm_modifiers, 0, sizeof(xfm_modifiers));

  forced_bbox.minExtents.set(1,1,1);
  forced_bbox.maxExtents.set(-1,-1,-1);

  update_forced_bbox = false;

  // marked true if datablock ids need to
  // be converted into pointers
  do_id_convert = false;

  sort_priority = 0;
  direction.set(0,1,0);
  speed = 0.0f;
  mass = 1.0f;

  borrow_altitudes = false;
  vis_keys_spec = ST_NULLSTRING;
  vis_keys = 0;

  group_index = -1;
  inherit_timing = 0;
}

afxEffectWrapperData::afxEffectWrapperData(const afxEffectWrapperData& other, bool temp_clone) : afxEffectBaseData(other, temp_clone)
{
  effect_name = other.effect_name;
  effect_data = other.effect_data;
  effect_desc = other.effect_desc;
  data_ID = other.data_ID;
  use_as_cons_obj = other.use_as_cons_obj;
  use_ghost_as_cons_obj = other.use_ghost_as_cons_obj;
  cons_spec = other.cons_spec;
  pos_cons_spec = other.pos_cons_spec;
  orient_cons_spec = other.orient_cons_spec;
  aim_cons_spec = other.aim_cons_spec;
  life_cons_spec = other.life_cons_spec;
  cons_def = other.cons_def;
  pos_cons_def = other.pos_cons_def;
  orient_cons_def = other.orient_cons_def;
  aim_cons_def = other.aim_cons_def;
  life_cons_def = other.life_cons_def;
  effect_enabled = other.effect_enabled;
  ranking_range = other.ranking_range;
  lod_range = other.lod_range;
  life_conds = other.life_conds;
  dMemcpy(exec_cond_on_bits, other.exec_cond_on_bits, sizeof(exec_cond_on_bits));
  dMemcpy(exec_cond_off_bits, other.exec_cond_off_bits, sizeof(exec_cond_off_bits));
  dMemcpy(exec_cond_bitmasks, other.exec_cond_bitmasks, sizeof(exec_cond_bitmasks));
  ewd_timing = other.ewd_timing;
  user_fade_out_time = other.user_fade_out_time;
  is_looping = other.is_looping;
  n_loops = other.n_loops;
  loop_gap_time = other.loop_gap_time;
  ignore_time_factor = other.ignore_time_factor;
  propagate_time_factor = other.propagate_time_factor;
  rate_factor = other.rate_factor;
  scale_factor = other.scale_factor;
  dMemcpy(xfm_modifiers, other.xfm_modifiers, sizeof(xfm_modifiers));
  forced_bbox = other.forced_bbox;
  update_forced_bbox = other.update_forced_bbox;
  do_id_convert = other.do_id_convert;
  sort_priority = other.sort_priority;
  direction = other.direction;
  speed = other.speed;
  mass = other.mass;
  borrow_altitudes = other.borrow_altitudes;
  vis_keys_spec = other.vis_keys_spec;
  vis_keys = other.vis_keys;
  if (other.vis_keys)
  {
    vis_keys = new afxAnimCurve();
    for (S32 i = 0; i < other.vis_keys->numKeys(); i++)
    {
      F32 when = other.vis_keys->getKeyTime(i);
      F32 what = other.vis_keys->getKeyValue(i);
      vis_keys->addKey(when, what);
    }
  }
  else
    vis_keys = 0;
  group_index = other.group_index;
  inherit_timing = other.inherit_timing;
}

afxEffectWrapperData::~afxEffectWrapperData()
{
  if (vis_keys)
    delete vis_keys;
}

#define myOffset(field) Offset(field, afxEffectWrapperData)

void afxEffectWrapperData::initPersistFields()
{
   docsURL;
  // the wrapped effect
  addField("effect",       TYPEID<SimDataBlock>(),    myOffset(effect_data),
    "...");
  addField("effectName",   TypeString,                myOffset(effect_name),
    "...");

  // constraints
  addField("constraint",              TypeString,   myOffset(cons_spec),
    "...");
  addField("posConstraint",           TypeString,   myOffset(pos_cons_spec),
    "...");
  addField("posConstraint2",          TypeString,   myOffset(aim_cons_spec),
    "...");
  addField("orientConstraint",        TypeString,   myOffset(orient_cons_spec),
    "...");
  addField("lifeConstraint",          TypeString,   myOffset(life_cons_spec),
    "...");
  //
  addField("isConstraintSrc",         TypeBool,     myOffset(use_as_cons_obj),
    "...");
  addField("ghostIsConstraintSrc",    TypeBool,     myOffset(use_ghost_as_cons_obj),
    "...");

  addField("delay",             TypeF32,          myOffset(ewd_timing.delay),
    "...");
  addField("lifetime",          TypeF32,          myOffset(ewd_timing.lifetime),
    "...");
  addField("fadeInTime",        TypeF32,          myOffset(ewd_timing.fade_in_time),
    "...");
  addField("residueLifetime",   TypeF32,          myOffset(ewd_timing.residue_lifetime),
    "...");
  addField("fadeInEase",        TypePoint2F,      myOffset(ewd_timing.fadein_ease),
    "...");
  addField("fadeOutEase",       TypePoint2F,      myOffset(ewd_timing.fadeout_ease),
    "...");
  addField("lifetimeBias",      TypeF32,          myOffset(ewd_timing.life_bias),
    "...");
  addField("fadeOutTime",       TypeF32,          myOffset(user_fade_out_time),
    "...");

  addField("rateFactor",        TypeF32,          myOffset(rate_factor),
    "...");
  addField("scaleFactor",       TypeF32,          myOffset(scale_factor),
    "...");

  addField("isLooping",         TypeBool,         myOffset(is_looping),
    "...");
  addField("loopCount",         TypeS32,          myOffset(n_loops),
    "...");
  addField("loopGapTime",       TypeF32,          myOffset(loop_gap_time),
    "...");

  addField("ignoreTimeFactor",    TypeBool,       myOffset(ignore_time_factor),
    "...");
  addField("propagateTimeFactor", TypeBool,       myOffset(propagate_time_factor),
    "...");

  addField("effectEnabled",         TypeBool,         myOffset(effect_enabled),
    "...");
  addField("rankingRange",          TypeByteRange,    myOffset(ranking_range),
    "...");
  addField("levelOfDetailRange",    TypeByteRange,    myOffset(lod_range),
    "...");
  addField("lifeConditions",        TypeS32,      myOffset(life_conds),
    "...");
  addField("execConditions",        TypeS32,      myOffset(exec_cond_on_bits),  MAX_CONDITION_STATES,
    "...");
  addField("execOffConditions",     TypeS32,      myOffset(exec_cond_off_bits), MAX_CONDITION_STATES,
    "...");

  addField("xfmModifiers",    TYPEID<afxXM_BaseData>(),  myOffset(xfm_modifiers),  MAX_XFM_MODIFIERS,
    "...");

  addField("forcedBBox",        TypeBox3F,        myOffset(forced_bbox),
    "...");
  addField("updateForcedBBox",  TypeBool,         myOffset(update_forced_bbox),
    "...");

  addField("sortPriority",      TypeS8,           myOffset(sort_priority),
    "...");
  addField("direction",         TypePoint3F,      myOffset(direction),
    "...");
  addField("speed",             TypeF32,          myOffset(speed),
    "...");
  addField("mass",              TypeF32,          myOffset(mass),
    "...");

  addField("borrowAltitudes",   TypeBool,         myOffset(borrow_altitudes),
    "...");
  addField("visibilityKeys",    TypeString,       myOffset(vis_keys_spec),
    "...");

  addField("groupIndex",          TypeS32,        myOffset(group_index),
    "...");
  addField("inheritGroupTiming",  TypeS32,        myOffset(inherit_timing),
    "...");

  Parent::initPersistFields();

  // disallow some field substitutions
  disableFieldSubstitutions("effect");
  onlyKeepClearSubstitutions("xfmModifiers"); // subs resolving to "~~", or "~0" are OK

  // Conditional Execution Flags
  Con::setIntVariable("$afx::DISABLED", DISABLED);
  Con::setIntVariable("$afx::ENABLED", ENABLED);
  Con::setIntVariable("$afx::FAILING", FAILING);
  Con::setIntVariable("$afx::DEAD", DEAD);
  Con::setIntVariable("$afx::ALIVE", ALIVE);
  Con::setIntVariable("$afx::DYING", DYING);
}

bool afxEffectWrapperData::onAdd()
{
  if (Parent::onAdd() == false)
    return false;

  if (!effect_data)
  {
    if (!Sim::findObject((SimObjectId)data_ID, effect_data))
    {
      Con::errorf("afxEffectWrapperData::onAdd() -- bad datablockId: 0x%x", data_ID);
      return false;
    }
  }

  if (effect_data)
  {
    if (!afxEffectAdapterDesc::identifyEffect(this))
    {
      Con::errorf("afxEffectWrapperData::onAdd() -- unknown effect type.");
      return false;
    }
  }

  parse_cons_specs();
  parse_vis_keys();

  // figure out if fade-out is for effect of residue
  if (ewd_timing.residue_lifetime > 0)
  {
    ewd_timing.residue_fadetime = user_fade_out_time;
    ewd_timing.fade_out_time = 0.0f;
  }
  else
  {
    ewd_timing.residue_fadetime = 0.0f;
    ewd_timing.fade_out_time = user_fade_out_time;
  }

  // adjust fade-in time
  if (ewd_timing.lifetime >= 0)
  {
    ewd_timing.fade_in_time = getMin(ewd_timing.lifetime, ewd_timing.fade_in_time);
  }

  // adjust exec-conditions
  for (S32 i = 0; i < MAX_CONDITION_STATES; i++)
    exec_cond_bitmasks[i] = exec_cond_on_bits[i] | exec_cond_off_bits[i];

  return true;
}

void afxEffectWrapperData::packData(BitStream* stream)
{
  Parent::packData(stream);

  writeDatablockID(stream, effect_data, mPacked);

  stream->writeString(effect_name);

  stream->writeString(cons_spec);
  stream->writeString(pos_cons_spec);
  stream->writeString(orient_cons_spec);
  stream->writeString(aim_cons_spec);
  stream->writeString(life_cons_spec);
  //
  stream->write(use_as_cons_obj);
  //stream->write(use_ghost_as_cons_obj);

  stream->writeFlag(effect_enabled);
  stream->write(ranking_range.low);
  stream->write(ranking_range.high);
  stream->write(lod_range.low);
  stream->write(lod_range.high);

  for (S32 i = 0; i < MAX_CONDITION_STATES; i++)
  {
    stream->write(exec_cond_on_bits[i]);
    stream->write(exec_cond_off_bits[i]);
  }
  stream->write(life_conds);
  stream->write(ewd_timing.delay);
  stream->write(ewd_timing.lifetime);
  stream->write(ewd_timing.fade_in_time);
  stream->write(user_fade_out_time);
  stream->write(is_looping);
  stream->write(n_loops);
  stream->write(loop_gap_time);
  stream->write(ignore_time_factor);
  stream->write(propagate_time_factor);
  stream->write(ewd_timing.residue_lifetime);
  stream->write(rate_factor);
  stream->write(scale_factor);

  // modifiers
  pack_mods(stream, xfm_modifiers, mPacked);

  mathWrite(*stream, forced_bbox);
  stream->write(update_forced_bbox);

  stream->write(sort_priority);
  mathWrite(*stream, direction);
  stream->write(speed);
  stream->write(mass);

  stream->write(borrow_altitudes);
  if (stream->writeFlag(vis_keys_spec != ST_NULLSTRING))
    stream->writeLongString(1023, vis_keys_spec);

  if (stream->writeFlag(group_index != -1))
    stream->write(group_index);

  stream->writeInt(inherit_timing, TIMING_BITS);
}

void afxEffectWrapperData::unpackData(BitStream* stream)
{
  Parent::unpackData(stream);

  data_ID = readDatablockID(stream);

  effect_name = stream->readSTString();

  cons_spec = stream->readSTString();
  pos_cons_spec = stream->readSTString();
  orient_cons_spec = stream->readSTString();
  aim_cons_spec = stream->readSTString();
  life_cons_spec = stream->readSTString();
  //
  stream->read(&use_as_cons_obj);
  //stream->read(&use_ghost_as_cons_obj);

  effect_enabled = stream->readFlag();
  stream->read(&ranking_range.low);
  stream->read(&ranking_range.high);
  stream->read(&lod_range.low);
  stream->read(&lod_range.high);

  for (S32 i = 0; i < MAX_CONDITION_STATES; i++)
  {
    stream->read(&exec_cond_on_bits[i]);
    stream->read(&exec_cond_off_bits[i]);
  }
  stream->read(&life_conds);
  stream->read(&ewd_timing.delay);
  stream->read(&ewd_timing.lifetime);
  stream->read(&ewd_timing.fade_in_time);
  stream->read(&user_fade_out_time);
  stream->read(&is_looping);
  stream->read(&n_loops);
  stream->read(&loop_gap_time);
  stream->read(&ignore_time_factor);
  stream->read(&propagate_time_factor);
  stream->read(&ewd_timing.residue_lifetime);
  stream->read(&rate_factor);
  stream->read(&scale_factor);

  // modifiers
  do_id_convert = true;
  unpack_mods(stream, xfm_modifiers);

  mathRead(*stream, &forced_bbox);
  stream->read(&update_forced_bbox);

  stream->read(&sort_priority);
  mathRead(*stream, &direction);
  stream->read(&speed);
  stream->read(&mass);

  stream->read(&borrow_altitudes);
  if (stream->readFlag())
  {
    char buf[1024];
    stream->readLongString(1023, buf);
    vis_keys_spec = StringTable->insert(buf);
  }
  else
    vis_keys_spec = ST_NULLSTRING;

  if (stream->readFlag())
    stream->read(&group_index);
  else
    group_index = -1;

  inherit_timing = stream->readInt(TIMING_BITS);
}

/* static*/ 
S32 num_modifiers(afxXM_BaseData* mods[])
{
  S32 n_mods = 0;
  for (int i = 0; i < afxEffectDefs::MAX_XFM_MODIFIERS; i++)
  {
    if (mods[i])
    {
      if (i != n_mods)
      {
        mods[n_mods] = mods[i];
        mods[i] = 0;
      }
      n_mods++;
    }
  }

  return n_mods;
}

void afxEffectWrapperData::parse_cons_specs()
{
  // parse the constraint specifications
  bool runs_on_s = runsOnServer();
  bool runs_on_c = runsOnClient();
  cons_def.parseSpec(cons_spec, runs_on_s, runs_on_c);
  pos_cons_def.parseSpec(pos_cons_spec, runs_on_s, runs_on_c);
  orient_cons_def.parseSpec(orient_cons_spec, runs_on_s, runs_on_c);
  aim_cons_def.parseSpec(aim_cons_spec, runs_on_s, runs_on_c);
  life_cons_def.parseSpec(life_cons_spec, runs_on_s, runs_on_c);
  if (cons_def.isDefined())
  {
    pos_cons_def = cons_def;
    if (!orient_cons_def.isDefined())
      orient_cons_def = cons_def;
  }
}

void afxEffectWrapperData::parse_vis_keys()
{
  if (vis_keys_spec != ST_NULLSTRING)
  {
    if (vis_keys)
      delete vis_keys;
    vis_keys = new afxAnimCurve();

    char* keys_buffer = dStrdup(vis_keys_spec);

    char* key_token = dStrtok(keys_buffer, " \t");
    while (key_token != NULL)
    {
      char* colon = dStrchr(key_token, ':');
      if (colon)
      {
        *colon = '\0';

        F32 when = dAtof(key_token);
        F32 what = dAtof(colon+1);

        vis_keys->addKey(when, what);
      }
      key_token = dStrtok(NULL, " \t");
    }

    dFree(keys_buffer);
    vis_keys->sort();
  }
}

void afxEffectWrapperData::gather_cons_defs(Vector<afxConstraintDef>& defs)
{
  if (pos_cons_def.isDefined())
    defs.push_back(pos_cons_def);
  if (orient_cons_def.isDefined())
    defs.push_back(orient_cons_def);
  if (aim_cons_def.isDefined())
    defs.push_back(aim_cons_def);
  if (life_cons_def.isDefined())
    defs.push_back(life_cons_def);

  afxComponentEffectData* ce_data = dynamic_cast<afxComponentEffectData*>(effect_data);
  if (ce_data)
    ce_data->gather_cons_defs(defs);
}

void afxEffectWrapperData::pack_mods(BitStream* stream, afxXM_BaseData* mods[], bool packed)
{
  S32 n_mods = num_modifiers(mods);
  stream->writeInt(n_mods, 6);
  for (int i = 0; i < n_mods; i++)
    writeDatablockID(stream, mods[i], packed);
}

void afxEffectWrapperData::unpack_mods(BitStream* stream, afxXM_BaseData* mods[])
{
  S32 n_mods = stream->readInt(6);
  for (int i = 0; i < n_mods; i++)
    mods[i] = (afxXM_BaseData*)(uintptr_t)readDatablockID(stream);
}

bool afxEffectWrapperData::preload(bool server, String &errorStr)
{
  if (!Parent::preload(server, errorStr))
    return false;
  
  // Resolve objects transmitted from server
  if (!server) 
  {
    if (do_id_convert)
    {
      for (int i = 0; i < MAX_XFM_MODIFIERS; i++)
      {
        SimObjectId db_id = SimObjectId((uintptr_t)xfm_modifiers[i]);
        if (db_id != 0)
        {
          // try to convert id to pointer
          if (!Sim::findObject(db_id, xfm_modifiers[i]))
          {
            Con::errorf("afxEffectWrapperData::preload() -- bad datablockId: 0x%x (xfm_modifiers[%d])",
              db_id, i);
          }
        }
        do_id_convert = false;
      }
    }
  }
  
  return true;
}

void afxEffectWrapperData::onPerformSubstitutions()
{
  Parent::onPerformSubstitutions();

  parse_cons_specs();
  parse_vis_keys();

  if (ewd_timing.residue_lifetime > 0)
  {
    ewd_timing.residue_fadetime = user_fade_out_time;
    ewd_timing.fade_out_time = 0.0f;
  }
  else
  {
    ewd_timing.residue_fadetime = 0.0f;
    ewd_timing.fade_out_time = user_fade_out_time;
  }
}

//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
// afxEffectWrapper

IMPLEMENT_CONOBJECT(afxEffectWrapper);

ConsoleDocClass( afxEffectWrapper,
   "@brief An Effect Wrapper as defined by an afxEffectWrapperData datablock.\n\n"

   "Conceptually an effect wrapper encloses a building-block effect and acts "
   "as a handle for adding the effect to a choreographer. Effect wrapper fields "
   "primarily deal with effect timing, constraints, and conditional effect execution.\n\n"

   "Not intended to be used directly, afxEffectWrapper is an internal baseclass used to "
   "implement effect-specific adapter classes.\n\n"

   "@ingroup afxEffects\n"
   "@ingroup AFX\n"
);

afxEffectWrapper::afxEffectWrapper()
{
  mChoreographer = 0;
  mDatablock = 0;
  mCons_mgr = 0;

  mCond_alive = true;
  mElapsed = 0;
  mLife_end = 0;
  mLife_elapsed = 0;
  mStopped = false;
  mNum_updates = 0;
  mFade_value = 1.0f;
  mLast_fade_value = 0.0f;
  mFade_in_end = 0.0;
  mFade_out_start = 0.0f;
  mIn_scope = true;
  mIs_aborted = false;
  mDo_fade_inout = false;
  mDo_fades = false;
  mFull_lifetime = 0;

  mTime_factor = 1.0f;
  mProp_time_factor = 1.0f;

  mLive_scale_factor = 1.0f;
  mLive_fade_factor = 1.0f;
  mTerrain_altitude = -1.0f;
  mInterior_altitude = -1.0f;

  mGroup_index = 0;

  dMemset(mXfm_modifiers, 0, sizeof(mXfm_modifiers));
}

afxEffectWrapper::~afxEffectWrapper()
{
  for (S32 i = 0; i < MAX_XFM_MODIFIERS; i++)
    if (mXfm_modifiers[i])
      delete mXfm_modifiers[i];

  if (mDatablock && mDatablock->effect_name != ST_NULLSTRING)
  {
    mChoreographer->removeNamedEffect(this);
    if (mDatablock->use_as_cons_obj && !mEffect_cons_id.undefined())
      mCons_mgr->setReferenceEffect(mEffect_cons_id, 0);
  }

  if (mDatablock && mDatablock->isTempClone())
    delete mDatablock;
  mDatablock = 0;
}

#undef myOffset
#define myOffset(field) Offset(field, afxEffectWrapper)

void afxEffectWrapper::initPersistFields()
{
   docsURL;
  addField("liveScaleFactor",     TypeF32,    myOffset(mLive_scale_factor),
    "...");
  addField("liveFadeFactor",      TypeF32,    myOffset(mLive_fade_factor),
    "...");

  Parent::initPersistFields();
}

void afxEffectWrapper::ew_init(afxChoreographer*     choreographer, 
                               afxEffectWrapperData* datablock, 
                               afxConstraintMgr*     cons_mgr,
                               F32                   time_factor)
{
  AssertFatal(choreographer != NULL, "Choreographer is missing.");
  AssertFatal(datablock != NULL, "Datablock is missing.");
  AssertFatal(cons_mgr != NULL, "Constraint manager is missing.");

  mChoreographer = choreographer;
  mDatablock = datablock;
  mCons_mgr = cons_mgr;
  ea_set_datablock(datablock->effect_data);

  mEW_timing = datablock->ewd_timing;
  if (mEW_timing.life_bias != 1.0f)
  {
    if (mEW_timing.lifetime > 0)
      mEW_timing.lifetime *= mEW_timing.life_bias;
	mEW_timing.fade_in_time *= mEW_timing.life_bias;
	mEW_timing.fade_out_time *= mEW_timing.life_bias;
  }

  mPos_cons_id = cons_mgr->getConstraintId(datablock->pos_cons_def);
  mOrient_cons_id = cons_mgr->getConstraintId(datablock->orient_cons_def);
  mAim_cons_id = cons_mgr->getConstraintId(datablock->aim_cons_def);
  mLife_cons_id = cons_mgr->getConstraintId(datablock->life_cons_def);

  mTime_factor = (datablock->ignore_time_factor) ? 1.0f : time_factor;

  if (datablock->propagate_time_factor)
    mProp_time_factor = time_factor;

  if (datablock->runsHere(choreographer->isServerObject()))
  {
    for (int i = 0; i < MAX_XFM_MODIFIERS && datablock->xfm_modifiers[i] != 0; i++)
    {
      mXfm_modifiers[i] = datablock->xfm_modifiers[i]->create(this, choreographer->isServerObject());
      AssertFatal(mXfm_modifiers[i] != 0, avar("Error, creation failed for xfm_modifiers[%d] of %s.", i, datablock->getName()));
      if (mXfm_modifiers[i] == 0)
        Con::errorf("Error, creation failed for xfm_modifiers[%d] of %s.", i, datablock->getName());
    }
  }

  if (datablock->effect_name != ST_NULLSTRING)
  {
    assignName(datablock->effect_name);
    choreographer->addNamedEffect(this);
    if (datablock->use_as_cons_obj)
    {
      mEffect_cons_id = cons_mgr->setReferenceEffect(datablock->effect_name, this);
      if (mEffect_cons_id.undefined() && datablock->isTempClone() && datablock->runsHere(choreographer->isServerObject()))
		  mEffect_cons_id = cons_mgr->createReferenceEffect(datablock->effect_name, this);
    }
  }
}

void afxEffectWrapper::prestart() 
{
  // modify timing values by time_factor
  if (mEW_timing.lifetime > 0)
    mEW_timing.lifetime *= mTime_factor;
  mEW_timing.delay *= mTime_factor;
  mEW_timing.fade_in_time *= mTime_factor;
  mEW_timing.fade_out_time *= mTime_factor;

  if (mEW_timing.lifetime < 0)
  {
    mFull_lifetime = INFINITE_LIFETIME;
    mLife_end = INFINITE_LIFETIME;
  }
  else
  {
    mFull_lifetime = mEW_timing.lifetime + mEW_timing.fade_out_time;
	mLife_end = mEW_timing.delay + mEW_timing.lifetime;
  }

  if ((mEW_timing.fade_in_time + mEW_timing.fade_out_time) > 0.0f)
  {
    mFade_in_end = mEW_timing.delay + mEW_timing.fade_in_time;
    if (mFull_lifetime == INFINITE_LIFETIME)
      mFade_out_start = INFINITE_LIFETIME;
    else
      mFade_out_start = mEW_timing.delay + mEW_timing.lifetime;
    mDo_fade_inout = true;
  }

  if (!mDo_fade_inout && mDatablock->vis_keys != NULL && mDatablock->vis_keys->numKeys() > 0)
  {
    //do_fades = true;
    mFade_out_start = mEW_timing.delay + mEW_timing.lifetime;
  }
}

bool afxEffectWrapper::start(F32 timestamp) 
{ 
  if (!ea_is_enabled())
  {
    Con::warnf("afxEffectWrapper::start() -- effect type of %s is currently disabled.", mDatablock->getName());
    return false;
  }

  afxConstraint* life_constraint = getLifeConstraint();
  if (life_constraint)
    mCond_alive = life_constraint->getLivingState();

  mElapsed = timestamp; 

  for (S32 i = 0; i < MAX_XFM_MODIFIERS; i++)
  {
    if (!mXfm_modifiers[i])
      break;
    else
		mXfm_modifiers[i]->start(timestamp);
  }

  if (!ea_start())
  {
    // subclass should print error message if applicable, so no message here.
    return false;
  }

  update(0.0f);
  return !isAborted();
}

bool afxEffectWrapper::test_life_conds()
{
  afxConstraint* life_constraint = getLifeConstraint();
  if (!life_constraint || mDatablock->life_conds == 0)
    return true;

  S32 now_state = life_constraint->getDamageState();
  if ((mDatablock->life_conds & DEAD) != 0 && now_state == ShapeBase::Disabled)
    return true;
  if ((mDatablock->life_conds & ALIVE) != 0 && now_state == ShapeBase::Enabled)
    return true;
  if ((mDatablock->life_conds & DYING) != 0)
    return (mCond_alive && now_state == ShapeBase::Disabled);

  return false;
}

bool afxEffectWrapper::update(F32 dt) 
{ 
  mElapsed += dt; 

  // life_elapsed won't exceed full_lifetime
  mLife_elapsed = getMin(mElapsed - mEW_timing.delay, mFull_lifetime);

  // update() returns early if elapsed is outside of active timing range 
  //     (delay <= elapsed <= delay+lifetime)
  // note: execution is always allowed beyond this point at least once, 
  //       even if elapsed exceeds the lifetime.
  if (mElapsed < mEW_timing.delay)
  {
    setScopeStatus(false);
    return false;
  }
  
  if (!mDatablock->requiresStop(mEW_timing) && mEW_timing.lifetime < 0)
  {
    F32 afterlife = mElapsed - mEW_timing.delay;
    if (afterlife > 1.0f || ((afterlife > 0.0f) && (mNum_updates > 0)))
    {
      setScopeStatus(mEW_timing.residue_lifetime > 0.0f);
      return false;
    }
  }
  else
  {
    F32 afterlife = mElapsed - (mFull_lifetime + mEW_timing.delay);
    if (afterlife > 1.0f || ((afterlife > 0.0f) && (mNum_updates > 0)))
    {
      setScopeStatus(mEW_timing.residue_lifetime > 0.0f);
      return false;
    }
  }

  // first time here, test if required conditions for effect are met
  if (mNum_updates == 0)
  {
    if (!test_life_conds())
    {
      mElapsed = mFull_lifetime + mEW_timing.delay;
      setScopeStatus(false);
	  mNum_updates++;
      return false;
    }
  }

  setScopeStatus(true);
  mNum_updates++;


  // calculate current fade value if enabled
  if (mDo_fade_inout)
  {
    if (mEW_timing.fade_in_time > 0 && mElapsed <= mFade_in_end)
    {
      F32 t = mClampF((mElapsed - mEW_timing.delay)/ mEW_timing.fade_in_time, 0.0f, 1.0f);
      mFade_value = afxEase::t(t, mEW_timing.fadein_ease.x, mEW_timing.fadein_ease.y);
      mDo_fades = true;
    }
    else if (mElapsed > mFade_out_start)
    {
      if (mEW_timing.fade_out_time == 0)
        mFade_value = 0.0f;
      else
      {
        F32 t = mClampF(1.0f-(mElapsed - mFade_out_start)/ mEW_timing.fade_out_time, 0.0f, 1.0f);
        mFade_value = afxEase::t(t, mEW_timing.fadeout_ease.x, mEW_timing.fadeout_ease.y);
      }
	  mDo_fades = true;
    }
    else
    {
      mFade_value = 1.0f;
	  mDo_fades = false;
    }
  }
  else
  {
    mFade_value = 1.0;
	mDo_fades = false;
  }

  if (mDatablock->vis_keys && mDatablock->vis_keys->numKeys() > 0)
  {
    F32 vis = mDatablock->vis_keys->evaluate(mElapsed - mEW_timing.delay);
    mFade_value *= mClampF(vis, 0.0f, 1.0f);
	mDo_fades = (mFade_value < 1.0f);
  }

  // DEAL WITH CONSTRAINTS
  afxXM_Params params;
  Point3F& CONS_POS = params.pos;
  MatrixF& CONS_XFM = params.ori;
  Point3F& CONS_AIM = params.pos2;
  Point3F& CONS_SCALE = params.scale;
  LinearColorF& CONS_COLOR = params.color;

  afxConstraint* pos_constraint = getPosConstraint();
  if (pos_constraint)
  {
    bool valid = pos_constraint->getPosition(CONS_POS, mDatablock->pos_cons_def.mHistory_time);
    if (!valid)
      getUnconstrainedPosition(CONS_POS);
    setScopeStatus(valid);
    if (valid && mDatablock->borrow_altitudes)
    {
      F32 terr_alt, inter_alt;
      if (pos_constraint->getAltitudes(terr_alt, inter_alt))
      {
        mTerrain_altitude = terr_alt;
        mInterior_altitude = inter_alt;
      }
    }
  }
  else
  {
    getUnconstrainedPosition(CONS_POS);
    setScopeStatus(false);
  }

  afxConstraint* orient_constraint = getOrientConstraint();
  if (orient_constraint) 
  {
    orient_constraint->getTransform(CONS_XFM, mDatablock->pos_cons_def.mHistory_time);
  }
  else
  {
    getUnconstrainedTransform(CONS_XFM);
  }

  afxConstraint* aim_constraint = getAimConstraint();
  if (aim_constraint)
    aim_constraint->getPosition(CONS_AIM, mDatablock->pos_cons_def.mHistory_time);
  else
    CONS_AIM.zero();

  CONS_SCALE.set(mDatablock->scale_factor, mDatablock->scale_factor, mDatablock->scale_factor);

  /*
  if (datablock->isPositional() && CONS_POS.isZero() && in_scope)
    Con::errorf("#EFFECT AT ORIGIN [%s] time=%g", datablock->getName(), dt);
  */

  getBaseColor(CONS_COLOR);

  params.vis = mFade_value;

  // apply modifiers
  for (int i = 0; i < MAX_XFM_MODIFIERS; i++)
  {
    if (!mXfm_modifiers[i])
      break;
    else
      mXfm_modifiers[i]->updateParams(dt, mLife_elapsed, params);
  }

  // final pos/orient is determined
  mUpdated_xfm = CONS_XFM;  
  mUpdated_pos = CONS_POS;
  mUpdated_aim = CONS_AIM;
  mUpdated_xfm.setPosition(mUpdated_pos);
  mUpdated_scale = CONS_SCALE;
  mUpdated_color = CONS_COLOR;

  if (params.vis > 1.0f)
    mFade_value = 1.0f;
  else
    mFade_value = params.vis;

  if (mLast_fade_value != mFade_value)
  {
    mDo_fades = true;
	mLast_fade_value = mFade_value;
  }
  else
  {
    mDo_fades = (mFade_value < 1.0f);
  }

  if (!ea_update(dt))
  {
    mIs_aborted = true;
    Con::errorf("afxEffectWrapper::update() -- effect %s ended unexpectedly.", mDatablock->getName());
  }

  return true;
}

void afxEffectWrapper::stop() 
{ 
  if (!mDatablock->requiresStop(mEW_timing))
    return;

  mStopped = true; 

  // this resets full_lifetime so it starts to shrink or fade
  if (mFull_lifetime == INFINITE_LIFETIME)
  {
    mFull_lifetime = (mElapsed - mEW_timing.delay) + afterStopTime();
	mLife_end = mElapsed;
    if (mEW_timing.fade_out_time > 0)
      mFade_out_start = mElapsed;
  }
}

void afxEffectWrapper::cleanup(bool was_stopped)
{ 
  ea_finish(was_stopped);
  if (!mEffect_cons_id.undefined())
  {
    mCons_mgr->setReferenceEffect(mEffect_cons_id, 0);
	mEffect_cons_id = afxConstraintID();
  }
}

void afxEffectWrapper::setScopeStatus(bool in_scope)
{ 
  if (mIn_scope != in_scope)
  {
    mIn_scope = in_scope;
    ea_set_scope_status(in_scope);
  }
}

bool afxEffectWrapper::isDone() 
{ 
  if (!mDatablock->is_looping)
    return (mElapsed >= (mLife_end + mEW_timing.fade_out_time));

  return false;
}


//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//

// static 
afxEffectWrapper* afxEffectWrapper::ew_create(afxChoreographer*      choreographer, 
                                              afxEffectWrapperData*  datablock, 
                                              afxConstraintMgr*      cons_mgr,
                                              F32                    time_factor,
                                              S32                    group_index)
{
  afxEffectWrapper* adapter = datablock->effect_desc->create();

  if (adapter)
  {
    adapter->mGroup_index = (datablock->group_index != -1) ? datablock->group_index : group_index;
    adapter->ew_init(choreographer, datablock, cons_mgr, time_factor); 
  }

  return adapter;
}

//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//

Vector<afxEffectAdapterDesc*>* afxEffectAdapterDesc::adapters = 0;

afxEffectAdapterDesc::afxEffectAdapterDesc() 
{ 
  if (!adapters)
    adapters = new Vector<afxEffectAdapterDesc*>;

  adapters->push_back(this);
}

bool afxEffectAdapterDesc::identifyEffect(afxEffectWrapperData* ew)
{
  if (!ew || !ew->effect_data)
  {
    Con::errorf("afxEffectAdapterDesc::identifyEffect() -- effect datablock was not specified.");
    return false;
  }

  if (!adapters)
  {
    Con::errorf("afxEffectAdapterDesc::identifyEffect() -- adapter registration list has not been allocated.");
    return false;
  }

  if (adapters->size() == 0)
  {
    Con::errorf("afxEffectAdapterDesc::identifyEffect() -- no effect adapters have been registered.");
    return false;
  }

  for (S32 i = 0; i < adapters->size(); i++)
  {
    if ((*adapters)[i]->testEffectType(ew->effect_data))
    {
      ew->effect_desc = (*adapters)[i];
      (*adapters)[i]->prepEffect(ew);
      return true;
    }
  }

  Con::errorf("afxEffectAdapterDesc::identifyEffect() -- effect %s has an undefined type. -- %d", 
    ew->effect_data->getName(), adapters->size());
  return false;
}

//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//