wows-geometry.h

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#include <stdint.h>
#include <stdbool.h>
 
#define WOWS_ERROR_NOT_A_FILE 12 
#define WOWS_ERROR_NOT_A_DIR 13  
#define WOWS_ERROR_UNKNOWN 7     
#define WOWS_VER_UNKNOWN "unknown" 
#define WOWS_ID_UNKNOWN 0          
#define WOWS_VER_SET3_XYNUV2IIIWWTBPC "set3/xyznuv2iiiwwtbpc" 
#define WOWS_ID_SET3_XYNUV2IIIWWTBPC 1
 
#define WOWS_VER_SET3_XYNUV2TBIPC "set3/xyznuv2tbipc" 
#define WOWS_ID_SET3_XYNUV2TBIPC 2
 
#define WOWS_VER_SET3_XYNUV2TBPC "set3/xyznuv2tbpc" 
#define WOWS_ID_SET3_XYNUV2TBPC 3
 
#define WOWS_VER_SET3_XYNUVIIIWWPC "set3/xyznuviiiwwpc" 
#define WOWS_ID_SET3_XYNUVIIIWWPC 4
 
#define WOWS_VER_SET3_XYNUVIIIWWR "set3/xyznuviiiwwr" 
#define WOWS_ID_SET3_XYNUVIIIWWR 5
 
#define WOWS_VER_SET3_XYNUVIIIWWTBPC "set3/xyznuviiiwwtbpc" 
#define WOWS_ID_SET3_XYNUVIIIWWTBPC 6
 
#define WOWS_VER_SET3_XYNUVPC "set3/xyznuvpc" 
#define WOWS_ID_SET3_XYNUVPC 7
 
#define WOWS_VER_SET3_XYNUVRPC "set3/xyznuvrpc" 
#define WOWS_ID_SET3_XYNUVRPC 8
#define WOWS_SIZE_XYNUVRPC 28 
#define WOWS_VER_SET3_XYNUVTBIPC "set3/xyznuvtbipc" 
#define WOWS_ID_SET3_XYNUVTBIPC 9
 
#define WOWS_VER_SET3_XYNUVTBOI "set3/xyznuvtboi" 
#define WOWS_ID_SET3_XYNUVTBOI 10
 
#define WOWS_VER_SET3_XYNUVTBPC "set3/xyznuvtbpc" 
#define WOWS_ID_SET3_XYNUVTBPC 11
#define WOWS_VERTEX_FIELDS                                                                                             \
    float x;                                                                            \
    float y;                                                                            \
    float z;                                                                            \
    uint32_t n;                                                \
    float _nx;                                                                     \
    float _ny;                                                                     \
    float _nz;                                                                     \
    float u;                                                                              \
    float v;    
typedef struct {
    WOWS_VERTEX_FIELDS
} wows_vertex;
 
typedef struct {
    WOWS_VERTEX_FIELDS
    uint32_t t; 
    float _tx;  
    float _ty;  
    float _tz;  
    uint32_t b; 
    float _bx;  
    float _by;  
    float _bz;  
} wows_vert_xyznuvtbpc;
 
typedef struct {
    WOWS_VERTEX_FIELDS
    uint32_t r; 
} wows_vert_xyznuvrpc;
 
#define WOWS_HEADER_SIZE 72
 
typedef struct {
    uint32_t n_vertex_type;        
    uint32_t n_index_type;         
    uint32_t n_vertex_bloc;        
    uint32_t n_index_bloc;         
    uint32_t n_collision_bloc;     
    uint32_t n_armor_bloc;         
    uint64_t off_vertices_mapping; 
    uint64_t off_indices_mapping;  
    uint64_t off_merged_vertices;  
    uint64_t off_merged_indices;   
    uint64_t off_collision_models; 
    uint64_t off_armor_models;     
} wows_geometry_header;
 
#define WOWS_BLOC_INFO_SIZE 16
 
typedef struct {
    uint32_t mapping_id;           
    uint16_t merged_buffer_index;  
    uint16_t packed_texel_density; 
    uint32_t items_offset;         
    uint32_t items_count;          
} wows_geometry_info;
 
#define WOWS_VERTEX_META_SIZE 32
 
typedef struct {
    uint64_t off_ver_bloc_start; 
    uint64_t n_size_type_str;    
    uint64_t off_ver_bloc_end;   
    uint32_t s_ver_bloc_size;    
    uint16_t s_vertex_size;      
    uint8_t b_flag_1;            
    uint8_t b_flag_2;            
    /* Parser-internal fields — not part of the on-disk format. */
    size_t _abs_start;    
    size_t _abs_end;      
    uint8_t _vertex_type; 
} wows_geometry_vertex_section_metadata;
 
typedef struct {
    uint8_t *raw_data;     
    uint32_t vertex_count; 
    uint8_t _vertex_type;  
} wows_geometry_vertex_section;
 
#define WOWS_INDEX_META_SIZE 16
 
typedef struct {
    int64_t data_relptr;      
    uint32_t s_idx_bloc_size; 
    uint16_t _reserved;       
    uint16_t s_index_size;    
    size_t _abs_start;        
} wows_geometry_index_section_metadata;
 
typedef struct {
    uint8_t *raw_data;    
    uint32_t index_count; 
    uint16_t index_size;  
} wows_geometry_index_section;
 
typedef struct {
    wows_geometry_header *header;        
    wows_geometry_info *vertex_bloc_map; 
    wows_geometry_info *index_bloc_map;  
    wows_geometry_vertex_section_metadata
        *vertex_meta_sections; 
    wows_geometry_index_section_metadata
        *index_meta_sections;                
    wows_geometry_vertex_section **vertexes; 
    wows_geometry_index_section **indexes;   
} wows_geometry;
 
typedef struct {
    uint8_t debug_level; 
    bool is_le;          
    char *err_msg;       
} WOWS_GEOMETRY_CONTEXT;
 
int wows_parse_geometry(char *input, wows_geometry **geometry_content);
 
int wows_parse_geometry_fp(FILE *input, wows_geometry **geometry_content);
 
int wows_geometry_print(wows_geometry *geometry_content, bool verbose);
 
int wows_geometry_free(wows_geometry *geometry_content);
 
int wows_geometry_to_glb(wows_geometry *geometry, const char *output_path);
 
int wows_geometry_to_glb_sections(wows_geometry *geometry, const char *output_path, const uint32_t *sections,
                                  uint32_t n_sections);
 
int wows_parse_geometry_buffer(char *contents, size_t length, wows_geometry **geometry_content);