Add all new AFX files

Engine/source/afx/ea/afxEA_MachineGun.cpp

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+
+//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
+// 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/afxProjectile.h"
+#include "afx/ce/afxMachineGun.h"
+
+//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
+// afxEA_MachineGun 
+
+class afxEA_MachineGun : public afxEffectWrapper
+{
+  typedef afxEffectWrapper Parent;
+
+  afxMachineGunData* gun_data;
+  ProjectileData*    bullet_data;
+
+  bool          shooting;
+  F32           start_time;
+  F32           shot_gap;
+  S32           shot_count;
+
+  void          launch_projectile();
+  void          do_runtime_substitutions();
+
+public:
+  /*C*/         afxEA_MachineGun();
+  /*D*/         ~afxEA_MachineGun();
+
+  virtual void  ea_set_datablock(SimDataBlock*);
+  virtual bool  ea_start();
+  virtual bool  ea_update(F32 dt);
+  virtual void  ea_finish(bool was_stopped);
+};
+
+//~~~~~~~~~~~~~~~~~~~~//
+
+afxEA_MachineGun::afxEA_MachineGun()
+{
+  gun_data = 0;
+  bullet_data = 0;
+  shooting = false;
+  start_time = 0.0f;
+  shot_count = 0;
+  shot_gap = 0.2f;
+}
+
+afxEA_MachineGun::~afxEA_MachineGun()
+{
+  if (gun_data && gun_data->isTempClone())
+    delete gun_data;
+  gun_data = 0;
+}
+
+void afxEA_MachineGun::ea_set_datablock(SimDataBlock* db)
+{
+  gun_data = dynamic_cast<afxMachineGunData*>(db);
+  if (gun_data)
+    bullet_data = gun_data->projectile_data;
+}
+
+bool afxEA_MachineGun::ea_start()
+{
+  if (!gun_data)
+  {
+    Con::errorf("afxEA_MachineGun::ea_start() -- missing or incompatible datablock.");
+    return false;
+  }
+  if (!bullet_data)
+  {
+    Con::errorf("afxEA_MachineGun::ea_start() -- missing or incompatible ProjectileData.");
+    return false;
+  }
+
+  do_runtime_substitutions();
+
+  if (gun_data->rounds_per_minute > 0)
+    shot_gap = 60.0f/gun_data->rounds_per_minute;
+
+  return true;
+}
+
+bool afxEA_MachineGun::ea_update(F32 dt)
+{
+  if (!shooting)
+  {
+    start_time = elapsed;
+    shooting = true;
+  }
+  else
+  {
+    F32 next_shot = start_time + (shot_count+1)*shot_gap;
+    while (next_shot < elapsed)
+    {
+      if (in_scope)
+        launch_projectile();
+      next_shot += shot_gap;
+      shot_count++;
+    }
+  }
+
+  return true;
+}
+
+void afxEA_MachineGun::ea_finish(bool was_stopped)
+{
+}
+
+void afxEA_MachineGun::launch_projectile()
+{
+  afxProjectile* projectile = new afxProjectile();
+
+  ProjectileData* next_bullet = bullet_data;
+
+  if (bullet_data->getSubstitutionCount() > 0)
+  {
+    next_bullet = new ProjectileData(*bullet_data, true);
+    bullet_data->performSubstitutions(next_bullet, choreographer, group_index);
+  }
+
+  projectile->onNewDataBlock(next_bullet, false);
+
+  F32 muzzle_vel = next_bullet->muzzleVelocity;
+
+  afxConstraint* pos_cons = getPosConstraint();
+  ShapeBase* src_obj = (pos_cons) ? (dynamic_cast<ShapeBase*>(pos_cons->getSceneObject())) : 0;
+
+  Point3F dir_vec = updated_aim - updated_pos;
+  dir_vec.normalizeSafe();
+  dir_vec *= muzzle_vel;
+  projectile->init(updated_pos, dir_vec, src_obj);
+  if (!projectile->registerObject())
+  {
+    delete projectile;
+    projectile = 0;
+    Con::errorf("afxEA_MachineGun::launch_projectile() -- projectile failed to register.");
+  }
+  if (projectile)
+    projectile->setDataField(StringTable->insert("afxOwner"), 0, choreographer->getIdString());
+}
+
+void afxEA_MachineGun::do_runtime_substitutions()
+{
+  // only clone the datablock if there are substitutions
+  if (gun_data->getSubstitutionCount() > 0)
+  {
+    // clone the datablock and perform substitutions
+    afxMachineGunData* orig_db = gun_data;
+    gun_data = new afxMachineGunData(*orig_db, true);
+    orig_db->performSubstitutions(gun_data, choreographer, group_index);
+  }
+}
+
+//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//
+
+class afxEA_MachineGunDesc : public afxEffectAdapterDesc, public afxEffectDefs 
+{
+  static afxEA_MachineGunDesc desc;
+
+public:
+  virtual bool  testEffectType(const SimDataBlock*) const;
+  virtual bool  requiresStop(const afxEffectWrapperData*, const afxEffectTimingData&) const;
+  virtual bool  runsOnServer(const afxEffectWrapperData*) const { return true; }
+  virtual bool  runsOnClient(const afxEffectWrapperData*) const { return false; }
+
+  virtual afxEffectWrapper* create() const { return new afxEA_MachineGun; }
+};
+
+afxEA_MachineGunDesc afxEA_MachineGunDesc::desc;
+
+bool afxEA_MachineGunDesc::testEffectType(const SimDataBlock* db) const
+{
+  return (typeid(afxMachineGunData) == typeid(*db));
+}
+
+bool afxEA_MachineGunDesc::requiresStop(const afxEffectWrapperData* ew, const afxEffectTimingData& timing) const
+{
+  return (timing.lifetime < 0);
+}
+
+//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~//~~~~~~~~~~~~~~~~~~~~~//