{% macro decl_units(meta) %}

{%- for u in meta.getunits ~%}
{%- if u.object is instanceof('\\mtgMetaStruct') -%}
{{ _self.decl_struct(u.object) }}
{%- elseif u.object is instanceof('\\mtgMetaEnum') -%}
{{ _self.decl_enum(u.object) }}
{%- elseif u.object is instanceof('\\mtgMetaRPC') -%}
{{ _self.decl_rpc(u.object) }}
{%- endif ~%}
{%- endfor ~%}

{% endmacro %}

{% macro decl_struct(o, extra = '') %}
{%- if o.parent and has_token(o, 'POD') -%}
{{Error("@POD structs can't have a parent: " ~ o.name)}}
{%- endif -%}
{%- if o.parent and has_token(o, 'bitfields') -%}
{{Error("@bitfields structs can't have a parent: " ~ o.name)}}
{%- endif -%}

{{_self.attributes(o)}}
public {{_self.struct_type(o)}} {{o.name}} {{_self.base_class(o)}} 
{
  {{_self.decl_struct_fields(o)}}

  public {{o.parent ? 'new'}} const uint STATIC_CLASS_ID = {{o.classid}};

  public {{_self.override(o)}} uint CLASS_ID() 
  {
    return {{o.classid}}; 
  }

  {{_self.comment_POD_begin(o)}}
  public {{o.name}}()
  {
    reset();
  }
  {{_self.comment_POD_end(o)}}

  public {{_self.override(o)}} void reset() 
  {
    {{_self.struct_fields_reset(o)}}
  }

  {{_self.comment_non_cloneable_begin(o)}}
  public {{_self.virtual_clone(o)}} void copy(IMetaStruct other)
  {
    copyFrom(({{o.name}})other);
  }

  public void copyFrom({{o.name}} other)
  {
    var ctx = Meta.PrepareForClone(ref other);
    ctx.factory = AutogenBundle.createById;
    ctx.reader.BeginContainer();
    reset();
    syncFields(ctx);
    ctx.reader.EndContainer();

    {{_self.copy_fields(o)}}
  }

  public {{_self.virtual_clone(o)}} IMetaStruct clone()
  {
    var copy = new {{o.name}}();
    copy.copy(this);
    return copy;
  }
  {{_self.comment_non_cloneable_end(o)}}

  public {{_self.override(o)}} void syncFields(MetaSyncContext ctx) 
  {
    {{_self.sync_fields(o)}}
  }
  
  public {{_self.override(o)}} int getFieldsCount() 
  {
    return {{fields_count(o)}};
  }
  
  public {{_self.override(o)}} int getWritableFieldsCount() 
  {
{%~ if has_token(o, 'bitfields') ~%}
    return Meta.GetDirtyFieldsCount(fields_mask, fields_count: {{fields_count(o)}}) 
    + Meta.MASK_HEADER_FIELDS_COUNT;
{% else %}
    return {{fields_count(o)}};
{%- endif ~%}
  }

{%- if has_token(o, 'bitfields') ~%}
  {{_self.bitmask_helpers(o)}}
{%- endif -%}
  
  {{extra}}
}

{% endmacro %}

{%- macro decl_struct_fields(o) -%}
{%- if has_token(o, 'bitfields') ~%}
public long fields_mask;
{%- endif -%}
{%- for f in o.fields ~%}
{{_self.decl_struct_field(o, f)}}
{%- endfor -%}
{%- endmacro -%}

{%- macro decl_struct_field(o, f) -%}
{{_self.attributes(f)}}
public {{f.type|cs_type}} {{f.name}} {% if not has_token(f, 'POD') -%} {{_self.decl_init_value(f.type)}} {%- endif -%};
{%- endmacro -%}

{% macro decl_init_value(type) %}
{%- if type is instanceof('\\mtgBuiltinType') -%}
{%- if type.isstring -%} = ""{%- endif -%}
{%- else -%}
= new {{type|cs_type}}()
{%- endif -%}
{% endmacro %}

{% macro struct_fields_reset(o) %}
{%- if o.parent ~%} 
base.reset();
{%- endif -%}
{%- for f in o.fields ~%}
{{var_reset(f.name, f.type, token_or(f, 'default', null))}}
{%- endfor -%}
{%- if has_token(o, 'bitfields') ~%} 
fields_mask = 0L;
{%- endif -%}
{% endmacro %}

{%- macro attributes(o) %}
{%- if has_token(o, 'cs_attributes') -%} 
{%- for attr in token(o, 'cs_attributes')|split(',') -%} 
[{{attr}}]
{%- endfor -%} 
{%- endif -%}
{%- endmacro %}

{%- macro struct_type(o) -%}
{{has_token(o, 'POD') ? 'struct' : 'class'}}
{%- endmacro -%}

{%- macro base_class(o) -%}
{%- if not has_token(o, 'POD') -%} 
: {{o.parent ? o.parent.name : 'BaseMetaStruct'}} {{has_token(o, 'cloneable')?',IMetaCloneable'}}
{%- endif -%}
{%- endmacro -%}

{%- macro override(o) -%}
{%- if not has_token(o, 'POD') -%} 
override
{%- endif -%}
{%- endmacro -%}

{%- macro comment_POD_begin(o) -%}
{%- if has_token(o, 'POD') -%} 
/* commented in POD
{%- endif -%}
{%- endmacro -%}

{%- macro comment_POD_end(o) -%}
{%- if has_token(o, 'POD') -%} 
*/
{%- endif -%}
{%- endmacro -%}

{%- macro comment_non_cloneable_begin(o) -%}
{%- if not has_token(o, 'cloneable') -%} 
/* commented in non-cloneable
{%- endif -%}
{%- endmacro -%}

{%- macro comment_non_cloneable_end(o) -%}
{%- if not has_token(o, 'cloneable') -%} 
*/
{%- endif -%}
{%- endmacro -%}

{%- macro virtual_clone(o) -%}
{%- if not has_token(o, 'POD') -%} 
{%- if o.parent and has_token_in_parent(o.parent, 'cloneable') -%} 
override
{%- else -%}
virtual
{%- endif -%}
{%- endif -%}
{%- endmacro -%}

{%- macro copy_fields(o) -%}
{%- if has_token(o, 'POD') ~%} 
fields_mask = other.fields_mask;
{%- endif -%}
{%- endmacro -%}

{%- macro sync_fields(o) -%}
{%- if has_token(o, 'bitfields') ~%}
var bitctx = new Meta.BitfieldsContext(ctx, fields_mask);
bitctx.SyncMaskHeader();
{%- endif -%}
{%- if o.parent ~%} 
base.syncFields(ctx);
{%- endif -%}
{%- for f in o.fields ~%}
{{var_sync(f.name, f.type, 'ctx', f.tokens, get_sync_opts(o, 'bitctx'))}}
{%- endfor -%}
{%- endmacro -%}

{%- macro bitmask_helpers(o) ~%}

  public void ResetFieldMask()
  {
    fields_mask = 0L;
  }

  public void SetPrimaryFieldsChanged()
  {
{%- for f in o.fields ~%}
{%- if is_primary_field(o, f) ~%}
    Meta.SetFieldDirty(ref fields_mask, {{loop.index0}});
{%- endif -%}
{%- endfor ~%}
  }

  public void SetDirtyMask()
  {
    fields_mask = ~0L;
  }

    public void SetDirtyMaskDeep()
    {
      SetDirtyMask();
{%- for f in o.fields ~%}
{%- if f.type is instanceof('\\mtgMetaStruct') and has_token(f.type, 'bitfields') ~%}
        {{f.name}}.SetDirtyMaskDeep();
{%- elseif f.type is instanceof('\\mtgArrType') and f.type.value is instanceof('\\mtgMetaStruct') and has_token(f.type.value, "bitfields") ~%}
      {
        for(int i=0;i<{{f.name}}.Count;++i) 
        {
          var __tmp = {{f.name}}[i];
          __tmp.SetDirtyMaskDeep();
          {{f.name}}[i] = __tmp;
        }
      }
{%- endif -%}
{%- endfor ~%}
    }

{%- endmacro -%}

{% macro decl_enum(o) %}
{{_self.attributes(o)}}
public enum {{o.name}}
{
{%- for n,v in o.values ~%}
  {{n}} = {{v}},
{%- endfor ~%}
}
{% endmacro %}

{% macro decl_rpc(o) %}

{{_self.decl_struct(o.req)}}
{{_self.decl_struct(o.rsp)}}

public class {{o.name}} : IRpc
{
  public IRpcError error = null;
  public {{o.req.name}} req = new {{o.req.name}}();
  public {{o.rsp.name}} rsp = new {{o.rsp.name}}();

  public int getCode() 
  {
    return {{o.code}};
  }

  public void setError(IRpcError error)
  {
    this.error = error;
  }

  public IRpcError getError()
  {
    return error;
  }

  public IMetaStruct getRequest()
  {
    return req as IMetaStruct;
  }

  public IMetaStruct getResponse()
  {
    return rsp as IMetaStruct;
  }
}

{% endmacro %}