#pragma once
#include <glm/glm.hpp>

namespace deerith
{
    inline constexpr glm::ivec3 voxel_direction_order[6] = {
        glm::ivec3(-1, 0, 0),
        glm::ivec3(1, 0, 0),
        glm::ivec3(0, -1, 0),
        glm::ivec3(0, 1, 0),
        glm::ivec3(0, 0, -1),
        glm::ivec3(0, 0, 1),
    };

    inline constexpr glm::vec2 voxel_uv_order[4] = {
        glm::vec2(0.0f, 0.0f),
        glm::vec2(1.0f, 0.0f),
        glm::vec2(0.0f, 1.0f),
        glm::vec2(1.0f, 1.0f),
    };

    inline constexpr glm::vec3 voxel_direction_vertices[6][4] = {
        // -X
        {
            {0, 0, 1},
            {0, 0, 0},
            {0, 1, 1},
            {0, 1, 0},
        },

        // +X
        {
            {1, 0, 0},
            {1, 0, 1},
            {1, 1, 0},
            {1, 1, 1},
        },

        // -Y
        {
            {0, 0, 1},
            {1, 0, 1},
            {0, 0, 0},
            {1, 0, 0},
        },

        // +Y
        {
            {0, 1, 0},
            {1, 1, 0},
            {0, 1, 1},
            {1, 1, 1},
        },

        // -Z
        {
            {0, 0, 0},
            {1, 0, 0},
            {0, 1, 0},
            {1, 1, 0},
        },

        // +Z
        {
            {1, 0, 1},
            {0, 0, 1},
            {1, 1, 1},
            {0, 1, 1},
        },
    };

    inline constexpr uint32_t face_indices_order[6] = {
        0,
        2,
        1,
        3,
        1,
        2,
    };
}