afxForceSet.cpp

Engine/source/afx/forces/afxForceSet.cpp

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Detailed Description

  1
  2
  3//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
  4// Arcane-FX for MIT Licensed Open Source version of Torque 3D from GarageGames
  5// Copyright (C) 2015 Faust Logic, Inc.
  6//
  7// Permission is hereby granted, free of charge, to any person obtaining a copy
  8// of this software and associated documentation files (the "Software"), to
  9// deal in the Software without restriction, including without limitation the
 10// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 11// sell copies of the Software, and to permit persons to whom the Software is
 12// furnished to do so, subject to the following conditions:
 13//
 14// The above copyright notice and this permission notice shall be included in
 15// all copies or substantial portions of the Software.
 16//
 17// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 18// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 19// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 20// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 21// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 22// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 23// IN THE SOFTWARE.
 24//
 25//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
 26
 27#include "afx/arcaneFX.h"
 28
 29#include "afx/forces/afxForceSet.h"
 30#include "afx/forces/afxForce.h"
 31
 32//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
 33
 34afxForceSet::afxForceSet(const char* name)
 35{
 36  mName = (name) ? StringTable->insert(name) : ST_NULLSTRING;
 37  mUpdate_dt = 10.0f; // seems like an ok maximum, force-xmods will probably lower it.
 38  mElapsed_dt = 0.0f;
 39  mElapsed_ms = 0;
 40  mNum_updates = 0;
 41  mLast_num_updates = 0;
 42}
 43
 44void afxForceSet::remove(afxForce* force)
 45{
 46  for (S32 i = 0; i < mForce_v.size(); i++)
 47  {
 48    if (mForce_v[i] == force)
 49    {
 50      mForce_v.erase(i);
 51      return;
 52    }
 53  }
 54}
 55
 56S32 afxForceSet::updateDT(F32 dt)
 57{
 58  U32 now = Platform::getVirtualMilliseconds();
 59
 60  if (mElapsed_ms == now) 
 61    return mLast_num_updates;
 62
 63  mElapsed_ms = now;
 64  mElapsed_dt += dt;
 65
 66  if (mElapsed_dt < mUpdate_dt) 
 67  {
 68    mLast_num_updates = 0;
 69    return 0;
 70  }
 71
 72  mNum_updates = mFloor(mElapsed_dt/mUpdate_dt);
 73  mElapsed_dt -= mUpdate_dt*mNum_updates;
 74  mLast_num_updates = mNum_updates;
 75
 76  return mNum_updates;
 77}
 78
 79//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
 80
 81afxForceSetMgr::afxForceSetMgr()
 82{
 83}
 84
 85afxForceSetMgr::~afxForceSetMgr()
 86{
 87  for (S32 i = 0; i < forces_sets.size(); i++)
 88  {
 89    if (forces_sets[i])
 90      delete forces_sets[i];
 91  }
 92}
 93
 94afxForceSet* afxForceSetMgr::findForceSet(StringTableEntry forces_set_name)
 95{
 96  for (S32 i = 0; i < forces_sets.size(); i++)
 97  {
 98    if (forces_sets[i] && forces_sets[i]->getName() == forces_set_name)
 99      return forces_sets[i];
100  }
101
102  return 0;
103}
104
105void afxForceSetMgr::registerForce(StringTableEntry forces_set_name, afxForce* force)
106{
107  if (!force)
108    return;
109
110  // find forceSet by name
111  afxForceSet* fset = findForceSet(forces_set_name);
112
113  // create forceSet if it does not already exist
114  if (!fset)
115  {
116    fset = new afxForceSet(forces_set_name);
117    forces_sets.push_back(fset);
118  }
119
120  // add force to set
121  fset->add(force);
122}
123
124void afxForceSetMgr::unregisterForce(StringTableEntry forces_set_name, afxForce* force)
125{
126  if (!force)
127    return;
128
129  afxForceSet* fset = findForceSet(forces_set_name);
130  if (!fset) 
131    return;
132
133  fset->remove(force);
134}
135
136