source/gameengine/Ketsji/BL_ActionManager.cpp

   1 /*
   2  * ***** BEGIN GPL LICENSE BLOCK *****
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  * Contributor(s): Mitchell Stokes.
  19  *
  20  * ***** END GPL LICENSE BLOCK *****
  21  */
  22
  23 /** \file BL_ActionManager.cpp
  24  *  \ingroup ketsji
  25  */
  26
  27 #include "BL_Action.h"
  28 #include "BL_ActionManager.h"
  29 #include "DNA_ID.h"
  30
  31 #define IS_TAGGED(_id) ((_id) && (((ID *)_id)->flag & LIB_DOIT))
  32
  33 BL_ActionManager::BL_ActionManager(class KX_GameObject *obj):
  34         m_obj(obj),
  35         m_prevUpdate(-1.0f)
  36 {
  37 }
  38
  39 BL_ActionManager::~BL_ActionManager()
  40 {
  41         BL_ActionMap::iterator it;
  42
  43         for (it = m_layers.begin(); it != m_layers.end(); it++)
  44                 delete it->second;
  45
  46         m_layers.clear();
  47 }
  48
  49 BL_Action *BL_ActionManager::GetAction(short layer)
  50 {
  51         BL_ActionMap::iterator it = m_layers.find(layer);
  52
  53         return (it != m_layers.end()) ? it->second : 0;
  54 }
  55
  56 float BL_ActionManager::GetActionFrame(short layer)
  57 {
  58         BL_Action *action = GetAction(layer);
  59
  60         return action ? action->GetFrame() : 0.f;
  61 }
  62
  63 const char *BL_ActionManager::GetActionName(short layer)
  64 {
  65         BL_Action *action = GetAction(layer);
  66         return action ? action->GetName() : "";
  67 }
  68
  69 void BL_ActionManager::SetActionFrame(short layer, float frame)
  70 {
  71         BL_Action *action = GetAction(layer);
  72
  73         if (action) action->SetFrame(frame);
  74 }
  75
  76 struct bAction *BL_ActionManager::GetCurrentAction(short layer)
  77 {
  78         BL_Action *action = GetAction(layer);
  79
  80         return action ? action->GetAction() : 0;
  81 }
  82
  83 void BL_ActionManager::SetPlayMode(short layer, short mode)
  84 {
  85         BL_Action *action = GetAction(layer);
  86
  87         if (action) action->SetPlayMode(mode);
  88 }
  89
  90 void BL_ActionManager::SetTimes(short layer, float start, float end)
  91 {
  92         BL_Action *action = GetAction(layer);
  93
  94         if (action) action->SetTimes(start, end);
  95 }
  96
  97 bool BL_ActionManager::PlayAction(const char* name,
  98                                                                 float start,
  99                                                                 float end,
 100                                                                 short layer,
 101                                                                 short priority,
 102                                                                 float blendin,
 103                                                                 short play_mode,
 104                                                                 float layer_weight,
 105                                                                 short ipo_flags,
 106                                                                 float playback_speed,
 107                                                                 short blend_mode)
 108 {
 109         // Only this method will create layer if non-existent
 110         BL_Action *action = GetAction(layer);
 111         if (!action) {
 112                 action = new BL_Action(m_obj);
 113                 m_layers[layer] = action;
 114         }
 115
 116         // Disable layer blending on the first layer
 117         if (layer == 0) layer_weight = -1.f;
 118
 119         return action->Play(name, start, end, priority, blendin, play_mode, layer_weight, ipo_flags, playback_speed, blend_mode);
 120 }
 121
 122 void BL_ActionManager::StopAction(short layer)
 123 {
 124         BL_Action *action = GetAction(layer);
 125
 126         if (action) {
 127                 m_layers.erase(layer);
 128                 delete action;
 129         }
 130 }
 131
 132 void BL_ActionManager::RemoveTaggedActions()
 133 {
 134         for (BL_ActionMap::iterator it = m_layers.begin(); it != m_layers.end();) {
 135                 if (IS_TAGGED(it->second->GetAction())) {
 136                         delete it->second;
 137                         m_layers.erase(it++);
 138                 }
 139                 else
 140                         ++it;
 141         }
 142 }
 143
 144 bool BL_ActionManager::IsActionDone(short layer)
 145 {
 146         BL_Action *action = GetAction(layer);
 147
 148         return action ? action->IsDone() : true;
 149 }
 150
 151 void BL_ActionManager::Update(float curtime)
 152 {
 153         if (m_prevUpdate == curtime)
 154                 return;
 155         m_prevUpdate = curtime;
 156
 157         BL_ActionMap::iterator it;
 158         for (it = m_layers.begin(); it != m_layers.end(); ++it)
 159         {
 160                 if (!it->second->IsDone()) {
 161                         it->second->Update(curtime);
 162                 }
 163         }
 164 }
 165
 166 void BL_ActionManager::UpdateIPOs()
 167 {
 168         BL_ActionMap::iterator it;
 169         for (it = m_layers.begin(); it != m_layers.end(); ++it)
 170         {
 171                 if (!it->second->IsDone())
 172                         it->second->UpdateIPOs();
 173         }
 174 }