GhostEngine/Ghost.SparseEntities/Template/Helpers.ttinclude

<#@ import namespace="System.Text" #>
<#@ import namespace="System.Collections.Generic" #>
<#+

    public int Amount = 8;
    public int ExtensionAmount = 3;

    public string Indent(StringBuilder sb, int spaces)
    {
        var indent = new string(' ', spaces);
        return sb.ToString().Replace("\n", "\n" + indent);
    }

    string AppendGenerics(int amount, string template)
    {
        var sb = new StringBuilder();
        for (var i = 0; i < amount; i++)
        {
            if (i > 0) sb.Append(", ");
            sb.Append(string.Format(template, i));
        }
        return sb.ToString();
    }

    string AppendGenerics(int amount)
    {
        return AppendGenerics(amount, "T{0}");
    }

    public StringBuilder AppendGenericRefParameters(int amount)
    {
        var sb = new StringBuilder();
        for (var localIndex = 0; localIndex < amount; localIndex++)
        {
            sb.Append($"ref T{localIndex} t{localIndex}Component,");
        }

        sb.Length--;
        return sb;
    }

    public StringBuilder AppendRefParameters(int amount)
    {
        var sb = new StringBuilder();
        for (var localIndex = 0; localIndex < amount; localIndex++)
        {
            sb.Append($"ref component{localIndex},");
        }

        sb.Length--;
        return sb;
    }

    public StringBuilder AppendGenericRestrictions(int amount, string Ttemplate, string template)
    {
        var sb = new StringBuilder();
        for (var localIndex = 0; localIndex < amount; localIndex++)
        {
            sb.Append($"where {Ttemplate}{localIndex} : {template}");
            if (localIndex < amount - 1)
            {
                sb.Append(' ');
            }
        }
        return sb;
    }

    public StringBuilder AppendGenericRestrictions(int amount, string template)
    {
        return AppendGenericRestrictions(amount, "T", template);
    }

    public StringBuilder TryGetComponentPools(int amount)
    {
        var sb = new StringBuilder();
        for (var localIndex = 0; localIndex < amount; localIndex++)
        {
            sb.Append($"_componentStorage.TryGetPool<T{localIndex}>(out var pool{localIndex})");
            if (localIndex < amount - 1)
            {
                sb.Append(" && ");
            }
        }
        return sb;
    }

    public StringBuilder HasEntity(int amount)
    {
        var sb = new StringBuilder();
        for (var localIndex = 1; localIndex < amount; localIndex++)
        {
            sb.Append($"pool{localIndex}.Has(entity)");
            if (localIndex < amount - 1)
            {
                sb.Append(" && ");
            }
        }
        return sb;
    }

    public StringBuilder GetComponent(int amount)
    {
        var sb = new StringBuilder();
        for (var localIndex = 0; localIndex < amount; localIndex++)
        {
            sb.Append($"pool{localIndex}.GetRef(entity)");
            if (localIndex < amount - 1)
            {
                sb.Append(", ");
            }
        }
        return sb;
    }

        public StringBuilder GetComponentRef(int amount)
    {
        var sb = new StringBuilder();
        for (var localIndex = 0; localIndex < amount; localIndex++)
        {
            sb.Append($"ref pool{localIndex}.GetRef(entity)");
            if (localIndex < amount - 1)
            {
                sb.Append(", ");
            }
        }
        return sb;
    }
#>