mirror of
https://github.com/TorqueGameEngines/Torque3D.git
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84 lines
3.2 KiB
C++
84 lines
3.2 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#ifndef _ENGINEPRIMITIVES_H_
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#define _ENGINEPRIMITIVES_H_
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#ifndef _ENGINETYPES_H_
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#include "console/engineTypes.h"
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#endif
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/// @file
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/// Definitions for the core primitive types used in the
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/// exposed engine API.
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DECLARE_PRIMITIVE_R( bool );
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DECLARE_PRIMITIVE_R(S8);
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DECLARE_PRIMITIVE_R(U8);
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DECLARE_PRIMITIVE_R(S32);
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DECLARE_PRIMITIVE_R(U32);
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DECLARE_PRIMITIVE_R(F32);
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DECLARE_PRIMITIVE_R(F64);
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DECLARE_PRIMITIVE_R(U64);
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DECLARE_PRIMITIVE_R(S64);
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DECLARE_PRIMITIVE_R(void*);
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//FIXME: this allows String to be used as a struct field type
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// String is special in the way its data is exchanged through the API. Through
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// calls, strings are passed as plain, null-terminated UTF-16 character strings.
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// In addition, strings passed back as return values from engine API functions
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// are considered to be owned by the API layer itself. The rule here is that such
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// a string is only valid until the next API call is made. Usually, control layers
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// will immediately copy and convert strings to their own string type.
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_DECLARE_TYPE_R(String);
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template<>
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struct EngineTypeTraits< String > : public _EnginePrimitiveTypeTraits< String >
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{
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typedef const UTF16* ArgumentValueType;
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typedef const UTF16* ReturnValueType;
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//FIXME: this needs to be sorted out; for now, we store default value literals in ASCII
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typedef const char* DefaultArgumentValueStoreType;
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static const UTF16* ReturnValue( const String& str )
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{
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static String sTemp;
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sTemp = str;
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return sTemp.utf16();
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}
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};
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// For struct fields, String cannot be used directly but "const UTF16*" must be used
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// instead. Make sure this works with the template machinery by redirecting the type
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// back to String.
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template<> struct EngineTypeTraits< const UTF16* > : public EngineTypeTraits< String > {};
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template<> inline const EngineTypeInfo* TYPE< const UTF16* >() { return TYPE< String >(); }
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inline const EngineTypeInfo* TYPE( const UTF16*& ) { return TYPE< String >(); }
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#endif // !_ENGINEPRIMITIVES_H_
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