tools/behaviourtree.h
00001 /* 00002 Crystal Space Entity Layer 00003 Copyright (C) 2004-2006 by Jorrit Tyberghein 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00018 */ 00019 00020 #ifndef __CEL_BEHAVIOUR_TREE__ 00021 #define __CEL_BEHAVIOUR_TREE__ 00022 00023 #include "behaviourlayer/behave.h" 00024 #include "tools/decorators.h" 00025 #include "tools/parameters.h" 00026 #include "tools/rewards.h" 00027 #include "tools/triggers.h" 00028 00029 //------------------------------------------------------------------------- 00030 // Behaviour tree nodes 00031 //------------------------------------------------------------------------- 00032 00060 struct iBTNode : public virtual iBase 00061 { 00062 SCF_INTERFACE (iBTNode, 0, 0, 1); 00063 00068 virtual bool Execute (const celParams& params) = 0; 00069 00073 virtual bool AddChild (iBTNode* child) = 0; 00074 00075 }; 00076 00077 //------------------------------------------------------------------------- 00078 // Specific behaviour tree node implementations. 00079 //------------------------------------------------------------------------- 00080 00085 struct iBTAction: public virtual iBase 00086 { 00087 SCF_INTERFACE (iBTAction, 0, 0, 1); 00088 00092 virtual void AddReward (iReward* reward) = 0; 00093 }; 00094 00099 struct iParameterCheckCondition: public virtual iBase 00100 { 00101 SCF_INTERFACE (iParameterCheckCondition, 0, 0, 1); 00102 00106 virtual void SetParameter (const char* parameter) = 0; 00107 00111 virtual void SetValue (const char* value) = 0; 00112 }; 00113 00114 00120 struct iTriggerFiredCondition: public virtual iBase 00121 { 00122 SCF_INTERFACE (iTriggerFiredCondition, 0, 0, 1); 00123 00127 virtual void SetTrigger (iTrigger* trigger) = 0; 00128 00136 virtual void SetFireOnce (bool once) = 0; 00137 }; 00138 00139 //------------------------------------------------------------------------- 00140 00144 #define CEL_DECLARE_BTNODE(name) \ 00145 class cel##name : public scfImplementation2< \ 00146 cel##name ,iBTNode, iComponent> \ 00147 { \ 00148 private: \ 00149 iObjectRegistry* object_reg; \ 00150 csRefArray<iBTNode> children; \ 00151 public: \ 00152 cel##name (iBase* parent); \ 00153 virtual ~cel##name () { } \ 00154 virtual bool Initialize (iObjectRegistry*); \ 00155 virtual bool Execute (const celParams& params); \ 00156 virtual bool AddChild (iBTNode* child); \ 00157 }; 00158 00162 #define CEL_IMPLEMENT_BTNODE(name) \ 00163 cel##name::cel##name (iBase* parent) \ 00164 : scfImplementationType (this, parent), object_reg(0) \ 00165 { \ 00166 } \ 00167 bool cel##name::Initialize ( \ 00168 iObjectRegistry* object_reg) \ 00169 { \ 00170 cel##name::object_reg = object_reg; \ 00171 return true; \ 00172 } 00173 00174 #endif // __CEL_BEHAVIOUR_TREE__
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