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Modified version of lib3ds reader of .3ds format

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4 Oct 2012CPOL3 min read 42.5K   2.9K   23  
In this article I present version of lib3ds reader for C++ language
#ifndef LIB3DS_CHUNK_H
#define LIB3DS_CHUNK_H

#include "Lib3ds_io.h"



typedef enum Lib3dsChunks {
  CHK_NULL_CHUNK             =0x0000,
  CHK_M3DMAGIC               =0x4D4D,    /*3DS file*/
  CHK_SMAGIC                 =0x2D2D,
  CHK_LMAGIC                 =0x2D3D,
  CHK_MLIBMAGIC              =0x3DAA,    /*MLI file*/
  CHK_MATMAGIC               =0x3DFF,
  CHK_CMAGIC                 =0xC23D,    /*PRJ file*/
  CHK_M3D_VERSION            =0x0002,
  CHK_M3D_KFVERSION          =0x0005,

  CHK_COLOR_F                =0x0010,
  CHK_COLOR_24               =0x0011,
  CHK_LIN_COLOR_24           =0x0012,
  CHK_LIN_COLOR_F            =0x0013,
  CHK_INT_PERCENTAGE         =0x0030,
  CHK_FLOAT_PERCENTAGE       =0x0031,

  CHK_MDATA                  =0x3D3D,
  CHK_MESH_VERSION           =0x3D3E,
  CHK_MASTER_SCALE           =0x0100,
  CHK_LO_SHADOW_BIAS         =0x1400,
  CHK_HI_SHADOW_BIAS         =0x1410,
  CHK_SHADOW_MAP_SIZE        =0x1420,
  CHK_SHADOW_SAMPLES         =0x1430,
  CHK_SHADOW_RANGE           =0x1440,
  CHK_SHADOW_FILTER          =0x1450,
  CHK_RAY_BIAS               =0x1460,
  CHK_O_CONSTS               =0x1500,
  CHK_AMBIENT_LIGHT          =0x2100,
  CHK_BIT_MAP                =0x1100,
  CHK_SOLID_BGND             =0x1200,
  CHK_V_GRADIENT             =0x1300,
  CHK_USE_BIT_MAP            =0x1101,
  CHK_USE_SOLID_BGND         =0x1201,
  CHK_USE_V_GRADIENT         =0x1301,
  CHK_FOG                    =0x2200,
  CHK_FOG_BGND               =0x2210,
  CHK_LAYER_FOG              =0x2302,
  CHK_DISTANCE_CUE           =0x2300,
  CHK_DCUE_BGND              =0x2310,
  CHK_USE_FOG                =0x2201,
  CHK_USE_LAYER_FOG          =0x2303,
  CHK_USE_DISTANCE_CUE       =0x2301,

  CHK_MAT_ENTRY              =0xAFFF,
  CHK_MAT_NAME               =0xA000,
  CHK_MAT_AMBIENT            =0xA010,
  CHK_MAT_DIFFUSE            =0xA020,
  CHK_MAT_SPECULAR           =0xA030,
  CHK_MAT_SHININESS          =0xA040,
  CHK_MAT_SHIN2PCT           =0xA041,
  CHK_MAT_TRANSPARENCY       =0xA050,
  CHK_MAT_XPFALL             =0xA052,
  CHK_MAT_USE_XPFALL         =0xA240,
  CHK_MAT_REFBLUR            =0xA053,
  CHK_MAT_SHADING            =0xA100,
  CHK_MAT_USE_REFBLUR        =0xA250,
  CHK_MAT_SELF_ILLUM         =0xA080,
  CHK_MAT_TWO_SIDE           =0xA081,
  CHK_MAT_DECAL              =0xA082,
  CHK_MAT_ADDITIVE           =0xA083,
  CHK_MAT_SELF_ILPCT         =0xA084,
  CHK_MAT_WIRE               =0xA085,
  CHK_MAT_FACEMAP            =0xA088,
  CHK_MAT_PHONGSOFT          =0xA08C,
  CHK_MAT_WIREABS            =0xA08E,
  CHK_MAT_WIRE_SIZE          =0xA087,
  CHK_MAT_TEXMAP             =0xA200,
  CHK_MAT_SXP_TEXT_DATA      =0xA320,
  CHK_MAT_TEXMASK            =0xA33E,
  CHK_MAT_SXP_TEXTMASK_DATA  =0xA32A,
  CHK_MAT_TEX2MAP            =0xA33A,
  CHK_MAT_SXP_TEXT2_DATA     =0xA321,
  CHK_MAT_TEX2MASK           =0xA340,
  CHK_MAT_SXP_TEXT2MASK_DATA =0xA32C,
  CHK_MAT_OPACMAP            =0xA210,
  CHK_MAT_SXP_OPAC_DATA      =0xA322,
  CHK_MAT_OPACMASK           =0xA342,
  CHK_MAT_SXP_OPACMASK_DATA  =0xA32E,
  CHK_MAT_BUMPMAP            =0xA230,
  CHK_MAT_SXP_BUMP_DATA      =0xA324,
  CHK_MAT_BUMPMASK           =0xA344,
  CHK_MAT_SXP_BUMPMASK_DATA  =0xA330,
  CHK_MAT_SPECMAP            =0xA204,
  CHK_MAT_SXP_SPEC_DATA      =0xA325,
  CHK_MAT_SPECMASK           =0xA348,
  CHK_MAT_SXP_SPECMASK_DATA  =0xA332,
  CHK_MAT_SHINMAP            =0xA33C,
  CHK_MAT_SXP_SHIN_DATA      =0xA326,
  CHK_MAT_SHINMASK           =0xA346,
  CHK_MAT_SXP_SHINMASK_DATA  =0xA334,
  CHK_MAT_SELFIMAP           =0xA33D,
  CHK_MAT_SXP_SELFI_DATA     =0xA328,
  CHK_MAT_SELFIMASK          =0xA34A,
  CHK_MAT_SXP_SELFIMASK_DATA =0xA336,
  CHK_MAT_REFLMAP            =0xA220,
  CHK_MAT_REFLMASK           =0xA34C,
  CHK_MAT_SXP_REFLMASK_DATA  =0xA338,
  CHK_MAT_ACUBIC             =0xA310,
  CHK_MAT_MAPNAME            =0xA300,
  CHK_MAT_MAP_TILING         =0xA351,
  CHK_MAT_MAP_TEXBLUR        =0xA353,
  CHK_MAT_MAP_USCALE         =0xA354,
  CHK_MAT_MAP_VSCALE         =0xA356,
  CHK_MAT_MAP_UOFFSET        =0xA358,
  CHK_MAT_MAP_VOFFSET        =0xA35A,
  CHK_MAT_MAP_ANG            =0xA35C,
  CHK_MAT_MAP_COL1           =0xA360,
  CHK_MAT_MAP_COL2           =0xA362,
  CHK_MAT_MAP_RCOL           =0xA364,
  CHK_MAT_MAP_GCOL           =0xA366,
  CHK_MAT_MAP_BCOL           =0xA368,

  CHK_NAMED_OBJECT           =0x4000,
  CHK_N_DIRECT_LIGHT         =0x4600,
  CHK_DL_OFF                 =0x4620,
  CHK_DL_OUTER_RANGE         =0x465A,
  CHK_DL_INNER_RANGE         =0x4659,
  CHK_DL_MULTIPLIER          =0x465B,
  CHK_DL_EXCLUDE             =0x4654,
  CHK_DL_ATTENUATE           =0x4625,
  CHK_DL_SPOTLIGHT           =0x4610,
  CHK_DL_SPOT_ROLL           =0x4656,
  CHK_DL_SHADOWED            =0x4630,
  CHK_DL_LOCAL_SHADOW2       =0x4641,
  CHK_DL_SEE_CONE            =0x4650,
  CHK_DL_SPOT_RECTANGULAR    =0x4651,
  CHK_DL_SPOT_ASPECT         =0x4657,
  CHK_DL_SPOT_PROJECTOR      =0x4653,
  CHK_DL_SPOT_OVERSHOOT      =0x4652,
  CHK_DL_RAY_BIAS            =0x4658,
  CHK_DL_RAYSHAD             =0x4627,
  CHK_N_CAMERA               =0x4700,
  CHK_CAM_SEE_CONE           =0x4710,
  CHK_CAM_RANGES             =0x4720,
  CHK_OBJ_HIDDEN             =0x4010,
  CHK_OBJ_VIS_LOFTER         =0x4011,
  CHK_OBJ_DOESNT_CAST        =0x4012,
  CHK_OBJ_DONT_RCVSHADOW     =0x4017,
  CHK_OBJ_MATTE              =0x4013,
  CHK_OBJ_FAST               =0x4014,
  CHK_OBJ_PROCEDURAL         =0x4015,
  CHK_OBJ_FROZEN             =0x4016,
  CHK_N_TRI_OBJECT           =0x4100,
  CHK_POINT_ARRAY            =0x4110,
  CHK_POINT_FLAG_ARRAY       =0x4111,
  CHK_FACE_ARRAY             =0x4120,
  CHK_MSH_MAT_GROUP          =0x4130,
  CHK_SMOOTH_GROUP           =0x4150,
  CHK_MSH_BOXMAP             =0x4190,
  CHK_TEX_VERTS              =0x4140,
  CHK_MESH_MATRIX            =0x4160,
  CHK_MESH_COLOR             =0x4165,
  CHK_MESH_TEXTURE_INFO      =0x4170,

  CHK_KFDATA                 =0xB000,
  CHK_KFHDR                  =0xB00A,
  CHK_KFSEG                  =0xB008,
  CHK_KFCURTIME              =0xB009,
  CHK_AMBIENT_NODE_TAG       =0xB001,
  CHK_OBJECT_NODE_TAG        =0xB002,
  CHK_CAMERA_NODE_TAG        =0xB003,
  CHK_TARGET_NODE_TAG        =0xB004,
  CHK_LIGHT_NODE_TAG         =0xB005,
  CHK_L_TARGET_NODE_TAG      =0xB006,
  CHK_SPOTLIGHT_NODE_TAG     =0xB007,
  CHK_NODE_ID                =0xB030,
  CHK_NODE_HDR               =0xB010,
  CHK_PIVOT                  =0xB013,
  CHK_INSTANCE_NAME          =0xB011,
  CHK_MORPH_SMOOTH           =0xB015,
  CHK_BOUNDBOX               =0xB014,
  CHK_POS_TRACK_TAG          =0xB020,
  CHK_COL_TRACK_TAG          =0xB025,
  CHK_ROT_TRACK_TAG          =0xB021,
  CHK_SCL_TRACK_TAG          =0xB022,
  CHK_MORPH_TRACK_TAG        =0xB026,
  CHK_FOV_TRACK_TAG          =0xB023,
  CHK_ROLL_TRACK_TAG         =0xB024,
  CHK_HOT_TRACK_TAG          =0xB027,
  CHK_FALL_TRACK_TAG         =0xB028,
  CHK_HIDE_TRACK_TAG         =0xB029,

  CHK_POLY_2D                = 0x5000,
  CHK_SHAPE_OK               = 0x5010,
  CHK_SHAPE_NOT_OK           = 0x5011,
  CHK_SHAPE_HOOK             = 0x5020,
  CHK_PATH_3D                = 0x6000,
  CHK_PATH_MATRIX            = 0x6005,
  CHK_SHAPE_2D               = 0x6010,
  CHK_M_SCALE                = 0x6020,
  CHK_M_TWIST                = 0x6030,
  CHK_M_TEETER               = 0x6040,
  CHK_M_FIT                  = 0x6050,
  CHK_M_BEVEL                = 0x6060,
  CHK_XZ_CURVE               = 0x6070,
  CHK_YZ_CURVE               = 0x6080,
  CHK_INTERPCT               = 0x6090,
  CHK_DEFORM_LIMIT           = 0x60A0,

  CHK_USE_CONTOUR            = 0x6100,
  CHK_USE_TWEEN              = 0x6110,
  CHK_USE_SCALE              = 0x6120,
  CHK_USE_TWIST              = 0x6130,
  CHK_USE_TEETER             = 0x6140,
  CHK_USE_FIT                = 0x6150,
  CHK_USE_BEVEL              = 0x6160,

  CHK_DEFAULT_VIEW           = 0x3000,
  CHK_VIEW_TOP               = 0x3010,
  CHK_VIEW_BOTTOM            = 0x3020,
  CHK_VIEW_LEFT              = 0x3030,
  CHK_VIEW_RIGHT             = 0x3040,
  CHK_VIEW_FRONT             = 0x3050,
  CHK_VIEW_BACK              = 0x3060,
  CHK_VIEW_USER              = 0x3070,
  CHK_VIEW_CAMERA            = 0x3080,
  CHK_VIEW_WINDOW            = 0x3090,

  CHK_VIEWPORT_LAYOUT_OLD    = 0x7000,
  CHK_VIEWPORT_DATA_OLD      = 0x7010,
  CHK_VIEWPORT_LAYOUT        = 0x7001,
  CHK_VIEWPORT_DATA          = 0x7011,
  CHK_VIEWPORT_DATA_3        = 0x7012,
  CHK_VIEWPORT_SIZE          = 0x7020,
  CHK_NETWORK_VIEW           = 0x7030
} Lib3dsChunks;

typedef struct Lib3dsChunk {
    uint16_t chunk; // Head signature
    uint32_t size; // Size chunk
    uint32_t end; // End chank
    uint32_t cur; // Current position in chunk
} Lib3dsChunk;

class Lib3ds_chunk: public Lib3ds_io
{
public:
    Lib3ds_chunk();
protected:

    bool lib3ds_chunk_read_start(Lib3dsChunk *c, uint16_t chunk); // Function of starting reading chunk which read head chunk data

    bool lib3ds_chunk_read(Lib3dsChunk *c); // Function of reading of chunk

    void lib3ds_chunk_read_reset(Lib3dsChunk *c); // Function of setting position into start position of chunk

    uint16_t lib3ds_chunk_read_next(Lib3dsChunk *c); // Function of reading next chunk head

    void lib3ds_chunk_unknown(uint16_t chunk); // Function of reading of unknown chunk

    void lib3ds_chunk_read_end(Lib3dsChunk *c); // Function of setting position into end position of chunk

    void lib3ds_chunk_read_tell(Lib3dsChunk *c); // Function of reading current position in file into current chunk data

};

#endif // LIB3DS_CHUNK_H

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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