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/*
* Copyright (C) 2025 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2025 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-runtime-lib
* Created on: 21 апр. 2020 г.
*
* lsp-runtime-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-runtime-lib is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-runtime-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_FMT_OBJ_CONST_H_
#define LSP_PLUG_IN_FMT_OBJ_CONST_H_
#include <lsp-plug.in/runtime/version.h>
#include <lsp-plug.in/runtime/LSPString.h>
#include <lsp-plug.in/common/endian.h>
#include <lsp-plug.in/common/types.h>
#include <lsp-plug.in/common/status.h>
#include <lsp-plug.in/lltl/darray.h>
namespace lsp
{
namespace obj
{
enum event_type_t
{
EV_NONE, ///< No event, some error occurred
EV_OBJECT, ///< Start of the new object
EV_VERTEX, ///< New vertex coordinates
EV_PVERTEX, ///< New parametrized vertex coordinates
EV_NORMAL, ///< New normal coordinates
EV_TEXCOORD, ///< New textrue coordinates
EV_FACE, ///< Face event
EV_LINE, ///< Line event
EV_POINT, ///< Point event
};
enum compressed_event_type_t
{
CEV_OBJECT,
CEV_VERTEX2,
CEV_VERTEX3,
CEV_VERTEX4,
CEV_PVERTEX2,
CEV_PVERTEX3,
CEV_PVERTEX4,
CEV_NORMAL2,
CEV_NORMAL3,
CEV_NORMAL4,
CEV_TEXCOORD1,
CEV_TEXCOORD2,
CEV_TEXCOORD3,
CEV_FACE,
CEV_FACE_T,
CEV_FACE_N,
CEV_FACE_NF,
CEV_FACE_TN,
CEV_FACE_TNF,
CEV_LINE,
CEV_LINE_T,
CEV_POINT,
CEV_EOF,
CEV_BITS = 5,
};
typedef ssize_t index_t;
typedef struct event_t
{
event_type_t type;
union
{
struct { float x, y, z, w; } vertex;
struct { float dx, dy, dz, dw; } normal;
struct { float u, v, w; } texcoord;
};
LSPString name;
lltl::darray<index_t> ivertex; // Indexes of vertices
lltl::darray<index_t> inormal; // Indexes of normals
lltl::darray<index_t> itexcoord; // Indexes of texture coordinates
} event_t;
#pragma pack(push, 1)
typedef struct compressed_header_t
{
uint32_t signature;
uint8_t version;
uint8_t float_bits;
uint8_t pad[2];
} compressed_header_t;
#pragma pack(pop)
constexpr uint32_t COMPRESSED_SIGNATURE = __IF_LEBE(0x4a424f43, 0x434f424a); /* COBJ */
constexpr size_t MIN_FLOAT_BUF_BITS = 4;
constexpr size_t MAX_FLOAT_BUF_BITS = 16;
} /* namesoace obj */
} /* namespace lsp */
#endif /* LSP_PLUG_IN_FMT_OBJ_CONST_H_ */
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