59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
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#pragma once
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#include <optional>
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#include <string>
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#include <variant>
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#include <map>
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#include <vector>
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#include "../../datatype.h"
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class Instance;
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typedef Instance(*InstanceConstructor)();
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const uint INST_NOT_CREATABLE = 1;
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// const uint INST_SINGLETON = 2;
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typedef uint InstanceClassFlags;
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struct InstanceClassDescriptor {
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std::string className;
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InstanceConstructor constructor;
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InstanceClassFlags flags;
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};
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//
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const uint PROP_READONLY = 1;
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const uint PROP_NOSCRIPT = 2; // Cannot be read or written to by unpriveleged scripts
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const uint PROP_NOSAVE = 4; // Property should not be serialized by the engine
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const uint PROP_CLIENTONLY = 8; // Only accessible by the client
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typedef uint PropertyFlags;
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typedef DataValue(*InstancePropertyGetter)();
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typedef void(*InstancePropertySetter)(DataValue);
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// Properties may either have a backing field directly accessed by Instance,
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// or, for more granular control may define a getter (and setter if writable).
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struct MemberPropertyDescriptor {
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DataType dataType;
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PropertyFlags flags;
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std::optional<DataValue*> backingField;
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std::optional<InstancePropertyGetter> getter;
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std::optional<InstancePropertySetter> setter;
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};
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//
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typedef DataValue(*InstanceMethodHandler)(std::vector<DataValue>);
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struct MemberMethodDescriptor {
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DataType returnType;
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// This may need to be converted into a vector in the future for overloaded methods
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std::vector<DataType> parameters;
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InstanceMethodHandler handler;
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};
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// TODO: Add MemberCallbackDescriptor
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typedef std::map<std::string, std::variant<MemberPropertyDescriptor, MemberMethodDescriptor /*, MemberEventDescriptor */ /* , MemberCallbackDescriptor */>> InstanceMemberTable;
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