RedstoneToggleHandler.h

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#pragma once
 
#include "../../Blocks/BlockButton.h"
#include "../../Blocks/BlockLever.h"
 
 
 
 
 
namespace RedstoneToggleHandler
{
    static Vector3i GetOffsetAttachedTo(Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta)
    {
        switch (a_BlockType)
        {
            case E_BLOCK_LEVER:
            {
                switch (a_Meta & 0x7)
                {
                    case 0x0:
                    case 0x7: return { 0, 1, 0 };
                    case 0x1: return { -1, 0, 0 };
                    case 0x2: return { 1, 0, 0 };
                    case 0x3: return { 0, 0, -1 };
                    case 0x4: return { 0, 0, 1 };
                    case 0x5:
                    case 0x6: return { 0, -1, 0 };
                    default:
                    {
                        ASSERT(!"Unhandled lever metadata!");
                        return { 0, 0, 0 };
                    }
                }
            }
            case E_BLOCK_STONE_BUTTON:
            case E_BLOCK_WOODEN_BUTTON:
            {
                switch (a_Meta & 0x7)
                {
                    case 0x0: return { 0, 1, 0 };
                    case 0x1: return { -1, 0, 0 };
                    case 0x2: return { 1, 0, 0 };
                    case 0x3: return { 0, 0, -1 };
                    case 0x4: return { 0, 0, 1 };
                    case 0x5: return { 0, -1, 0 };
                    default:
                    {
                        ASSERT(!"Unhandled button metadata!");
                        return { 0, 0, 0 };
                    }
                }
            }
            default:
            {
                ASSERT(!"Unexpected block passed to button/lever handler");
                return { 0, 0, 0 };
            }
        }
    }
 
    static unsigned char GetPowerLevel(BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta)
    {
        switch (a_BlockType)
        {
            case E_BLOCK_LEVER: return cBlockLeverHandler::IsLeverOn(a_Meta) ? 15 : 0;
            case E_BLOCK_STONE_BUTTON:
            case E_BLOCK_WOODEN_BUTTON: return cBlockButtonHandler::IsButtonOn(a_Meta) ? 15 : 0;
            default:
            {
                ASSERT(!"Unexpected block passed to button/lever handler");
                return 0;
            }
        }
    }
 
    static PowerLevel GetPowerDeliveredToPosition(const cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_BlockType, Vector3i a_QueryPosition, BLOCKTYPE a_QueryBlockType, bool IsLinked)
    {
        UNUSED(a_QueryBlockType);
 
        const auto Meta = a_Chunk.GetMeta(a_Position);
        const auto QueryOffset = a_QueryPosition - a_Position;
 
        if (IsLinked && (QueryOffset != GetOffsetAttachedTo(a_Position, a_BlockType, Meta)))
        {
            return 0;
        }
 
        return GetPowerLevel(a_BlockType, Meta);
    }
 
    static void Update(cChunk & a_Chunk, cChunk & CurrentlyTicking, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, const PowerLevel Power)
    {
        // LOGD("Evaluating templatio<> the lever/button (%d %d %d)", a_Position.x, a_Position.y, a_Position.z);
    }
 
    static void ForValidSourcePositions(const cChunk & a_Chunk, Vector3i a_Position, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta, ForEachSourceCallback & Callback)
    {
        UNUSED(a_Chunk);
        UNUSED(a_Position);
        UNUSED(a_BlockType);
        UNUSED(a_Meta);
        UNUSED(Callback);
    }
};