assetBase.h

Engine/source/assets/assetBase.h

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Classes:

Detailed Description

Public Variables

StringTableEntry assetAutoUnloadField 
StringTableEntry assetCategoryField 
StringTableEntry assetDescriptionField 
StringTableEntry assetInternalField 
StringTableEntry assetNameField 
StringTableEntry assetPrivateField 
  1
  2//-----------------------------------------------------------------------------
  3// Copyright (c) 2013 GarageGames, LLC
  4//
  5// Permission is hereby granted, free of charge, to any person obtaining a copy
  6// of this software and associated documentation files (the "Software"), to
  7// deal in the Software without restriction, including without limitation the
  8// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  9// sell copies of the Software, and to permit persons to whom the Software is
 10// furnished to do so, subject to the following conditions:
 11//
 12// The above copyright notice and this permission notice shall be included in
 13// all copies or substantial portions of the Software.
 14//
 15// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 16// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 17// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 18// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 19// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 20// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 21// IN THE SOFTWARE.
 22//-----------------------------------------------------------------------------
 23#ifndef _ASSET_BASE_H_
 24#define _ASSET_BASE_H_
 25
 26#ifndef _ASSET_DEFINITION_H_
 27#include "assetDefinition.h"
 28#endif
 29
 30#ifndef _STRINGUNIT_H_
 31#include "string/stringUnit.h"
 32#endif
 33
 34#ifndef _ASSET_FIELD_TYPES_H_
 35#include "assets/assetFieldTypes.h"
 36#endif
 37
 38//-----------------------------------------------------------------------------
 39
 40class AssetManager;
 41
 42//-----------------------------------------------------------------------------
 43
 44extern StringTableEntry assetNameField;
 45extern StringTableEntry assetDescriptionField;
 46extern StringTableEntry assetCategoryField;
 47extern StringTableEntry assetInternalField;
 48extern StringTableEntry assetPrivateField;
 49extern StringTableEntry assetAutoUnloadField;
 50
 51//#define ASSET_BASE_ASSETNAME_FIELD         "AssetName"
 52//#define ASSET_BASE_ASSETDESCRIPTION_FIELD  "AssetDescription"
 53//#define ASSET_BASE_ASSETCATEGORY_FIELD     "AssetCategory"
 54//#define ASSET_BASE_ASSETINTERNAL_FIELD     "AssetInternal"
 55//#define ASSET_BASE_ASSETPRIVATE_FIELD      "AssetPrivate"
 56//#define ASSET_BASE_AUTOUNLOAD_FIELD        "AssetAutoUnload"
 57
 58//-----------------------------------------------------------------------------
 59class AssetBase : public SimObject
 60{
 61   friend class AssetManager;
 62
 63   typedef SimObject Parent;
 64
 65protected:
 66   AssetManager*           mpOwningAssetManager;
 67   bool                    mAssetInitialized;
 68   AssetDefinition*        mpAssetDefinition;
 69   U32                     mAcquireReferenceCount;
 70
 71public:
 72   enum AssetErrCode
 73   {
 74      Failed,
 75      Ok,
 76      NotLoaded,
 77      BadFileReference,
 78      InvalidFormat,
 79      DependencyNotFound,
 80      FileTooLarge,
 81      UsingFallback,
 82      Extended
 83   };
 84
 85   static const String mErrCodeStrings[AssetErrCode::Extended + 1];
 86   static String getAssetErrstrn(U32 errCode)
 87   {
 88      if (errCode > AssetErrCode::Extended) return "undefined error";
 89      return mErrCodeStrings[errCode];
 90   };
 91
 92   AssetBase();
 93   virtual ~AssetBase();
 94
 95   /// Engine.
 96   static void initPersistFields();
 97   virtual void copyTo(SimObject* object);
 98
 99   /// Asset configuration.
100   inline void             setAssetName(const char* pAssetName)              { if (mpOwningAssetManager == NULL) mpAssetDefinition->mAssetName = StringTable->insert(pAssetName); }
101   inline StringTableEntry getAssetName(void) const                          { return mpAssetDefinition->mAssetName; }
102   void                    setAssetDescription(const char* pAssetDescription);
103   inline StringTableEntry getAssetDescription(void) const                   { return mpAssetDefinition->mAssetDescription; }
104   void                    setAssetCategory(const char* pAssetCategory);
105   inline StringTableEntry getAssetCategory(void) const                      { return mpAssetDefinition->mAssetCategory; }
106   void                    setAssetAutoUnload(const bool autoUnload);
107   inline bool             getAssetAutoUnload(void) const                    { return mpAssetDefinition->mAssetAutoUnload; }
108   void                    setAssetInternal(const bool assetInternal);
109   inline bool             getAssetInternal(void) const                      { return mpAssetDefinition->mAssetInternal; }
110   inline bool             getAssetPrivate(void) const                       { return mpAssetDefinition->mAssetPrivate; }
111   inline StringTableEntry getAssetType(void) const                          { return mpAssetDefinition->mAssetType; }
112
113   inline S32              getAcquiredReferenceCount(void) const             { return mAcquireReferenceCount; }
114   inline bool             getOwned(void) const                              { return mpOwningAssetManager != NULL; }
115
116   // Asset Id is only available once registered with the asset manager.
117   inline StringTableEntry getAssetId(void) const                            { return mpAssetDefinition->mAssetId; }
118
119   /// Expanding/Collapsing asset paths is only available once registered with the asset manager.
120   StringTableEntry        expandAssetFilePath(const char* pAssetFilePath) const;
121   StringTableEntry        collapseAssetFilePath(const char* pAssetFilePath) const;
122
123   virtual bool            isAssetValid(void) const                          { return true; }
124
125   void                    refreshAsset(void);
126
127   S32 getAssetDependencyFieldCount(const char* pFieldName);
128   void clearAssetDependencyFields(const char* pFieldName);
129   void addAssetDependencyField(const char* pFieldName, const char* pAssetId);
130
131   bool saveAsset();
132
133   /// Declare Console Object.
134   DECLARE_CONOBJECT(AssetBase);
135
136protected:
137   virtual void            initializeAsset(void) {}
138   virtual void            onAssetRefresh(void) {}
139
140protected:
141   static bool             setAssetName(void *obj, const char *array, const char *data)           { static_cast<AssetBase*>(obj)->setAssetName(data); return false; }
142   static const char*      getAssetName(void* obj, const char* data)           { return static_cast<AssetBase*>(obj)->getAssetName(); }
143   static bool             writeAssetName(void* obj, StringTableEntry pFieldName) { return static_cast<AssetBase*>(obj)->getAssetName() != StringTable->EmptyString(); }
144
145   static bool             setAssetDescription(void *obj, const char *array, const char *data)    { static_cast<AssetBase*>(obj)->setAssetDescription(data); return false; }
146   static const char*      getAssetDescription(void* obj, const char* data)    { return static_cast<AssetBase*>(obj)->getAssetDescription(); }
147   static bool             writeAssetDescription(void* obj, StringTableEntry pFieldName) { return static_cast<AssetBase*>(obj)->getAssetDescription() != StringTable->EmptyString(); }
148
149   static bool             setAssetCategory(void *obj, const char *array, const char *data)       { static_cast<AssetBase*>(obj)->setAssetCategory(data); return false; }
150   static const char*      getAssetCategory(void* obj, const char* data)       { return static_cast<AssetBase*>(obj)->getAssetCategory(); }
151   static bool             writeAssetCategory(void* obj, StringTableEntry pFieldName) { return static_cast<AssetBase*>(obj)->getAssetCategory() != StringTable->EmptyString(); }
152
153   static bool             setAssetAutoUnload(void *obj, const char *array, const char *data)     { static_cast<AssetBase*>(obj)->setAssetAutoUnload(dAtob(data)); return false; }
154   static const char*      getAssetAutoUnload(void* obj, const char* data)     { return Con::getBoolArg(static_cast<AssetBase*>(obj)->getAssetAutoUnload()); }
155   static bool             writeAssetAutoUnload(void* obj, StringTableEntry pFieldName) { return static_cast<AssetBase*>(obj)->getAssetAutoUnload() == false; }
156
157   static bool             setAssetInternal(void *obj, const char *array, const char *data)       { static_cast<AssetBase*>(obj)->setAssetInternal(dAtob(data)); return false; }
158   static const char*      getAssetInternal(void* obj, const char* data)       { return Con::getBoolArg(static_cast<AssetBase*>(obj)->getAssetInternal()); }
159   static bool             writeAssetInternal(void* obj, StringTableEntry pFieldName) { return static_cast<AssetBase*>(obj)->getAssetInternal() == true; }
160
161   static const char*      getAssetPrivate(void* obj, const char* data)        { return Con::getBoolArg(static_cast<AssetBase*>(obj)->getAssetPrivate()); }
162
163private:
164   void                    acquireAssetReference(void);
165   bool                    releaseAssetReference(void);
166
167   /// Set asset manager ownership.
168   void                    setOwned(AssetManager* pAssetManager, AssetDefinition* pAssetDefinition);
169};
170
171#endif // _ASSET_BASE_H_
172
173