map.h

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/*
All original material Copyright (C) 2002-2020 UFO: Alien Invasion.

Copyright (C) 1997-2001 Id Software, Inc.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

#pragma once

#include "../../shared/mathlib.h"
#include "../../shared/defines.h"
#include "common/polylib.h"

typedef struct brush_texture_s {
    vec2_t      shift;
    vec_t       rotate;
    vec2_t      scale;
    char        name[MAX_TEXPATH];  
    uint32_t    surfaceFlags;
    int         value;
} brush_texture_t;

typedef struct face_s {
    struct face_s*  next;       
    struct face_s*  merged; 
    struct face_s*  split[2];   
    struct portal_s* portal;
    int             texinfo;
    uint16_t        planenum;
    uint32_t        contentFlags;   
    winding_t*      w;
    int             numpoints;
    int             vertexnums[MAXEDGES];
} face_t;

typedef struct side_s {
    uint16_t    planenum;
    int         texinfo;
    winding_t*  winding;
    struct side_s* original;    
    uint32_t    contentFlags;   
    uint32_t    surfaceFlags;   
    bool    visible;            
    bool    tested;             
    bool    bevel;              
    bool    isCompositeMember;  
    struct mapbrush_s* brush;   
} side_t;

typedef struct mapbrush_s {
    int     entitynum;          
    int     brushnum;           
    uint32_t    contentFlags;

    AABB    mbBox;

    int     numsides;
    struct side_s* original_sides;

    struct  mapbrush_s** nearBrushes;
    int numNear;

    bool skipWriteBack; 
    bool finished;
} mapbrush_t;

typedef struct plane_s {
    vec3_t  normal;         
    vec_t   dist;           
    int     type;
    vec3_t  planeVector[3]; 
    struct plane_s* hash_chain;
} plane_t;

typedef struct portal_s {
    plane_t     plane;
    struct node_s* onnode;      
    struct node_s* nodes[2];    
    struct portal_s* next[2];
    winding_t*  winding;

    bool sidefound;             
    struct side_s* side;        
    face_t* face[2];            
} portal_t;