//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $Workfile:     $
// $Date:         $
// $NoKeywords: $
//=============================================================================//

#ifndef BSPFLAGS_H
#define BSPFLAGS_H

#ifdef _WIN32
#pragma once
#endif

// contents flags are seperate bits
// a given brush can contribute multiple content bits
// multiple brushes can be in a single leaf

// these definitions also need to be in q_shared.h!

// lower bits are stronger, and will eat weaker brushes completely
#define CONTENTS_EMPTY 0  // No contents

#define CONTENTS_SOLID 0x1   // an eye is never valid in a solid
#define CONTENTS_WINDOW 0x2  // translucent, but not watery (glass)
#define CONTENTS_AUX 0x4
#define CONTENTS_GRATE \
    0x8  // alpha-tested "grate" textures.  Bullets/sight pass through, but
         // solids don't
#define CONTENTS_SLIME 0x10
#define CONTENTS_WATER 0x20
#define CONTENTS_BLOCKLOS 0x40  // block AI line of sight
#define CONTENTS_OPAQUE \
    0x80  // things that cannot be seen through (may be non-solid though)
#define LAST_VISIBLE_CONTENTS 0x80

#define ALL_VISIBLE_CONTENTS \
    (LAST_VISIBLE_CONTENTS | (LAST_VISIBLE_CONTENTS - 1))

#define CONTENTS_TESTFOGVOLUME 0x100
#define CONTENTS_UNUSED 0x200

// unused
// NOTE: If it's visible, grab from the top + update LAST_VISIBLE_CONTENTS
// if not visible, then grab from the bottom.
#define CONTENTS_UNUSED6 0x400

#define CONTENTS_TEAM1 \
    0x800  // per team contents used to differentiate collisions
#define CONTENTS_TEAM2 0x1000  // between players and objects on different teams

// ignore CONTENTS_OPAQUE on surfaces that have SURF_NODRAW
#define CONTENTS_IGNORE_NODRAW_OPAQUE 0x2000

// hits entities which are MOVETYPE_PUSH (doors, plats, etc.)
#define CONTENTS_MOVEABLE 0x4000

// remaining contents are non-visible, and don't eat brushes
#define CONTENTS_AREAPORTAL 0x8000

#define CONTENTS_PLAYERCLIP 0x10000
#define CONTENTS_MONSTERCLIP 0x20000

// currents can be added to any other contents, and may be mixed
#define CONTENTS_CURRENT_0 0x40000
#define CONTENTS_CURRENT_90 0x80000
#define CONTENTS_CURRENT_180 0x100000
#define CONTENTS_CURRENT_270 0x200000
#define CONTENTS_CURRENT_UP 0x400000
#define CONTENTS_CURRENT_DOWN 0x800000

#define CONTENTS_ORIGIN 0x1000000  // removed before bsping an entity

#define CONTENTS_MONSTER 0x2000000  // should never be on a brush, only in game
#define CONTENTS_DEBRIS 0x4000000
#define CONTENTS_DETAIL 0x8000000        // brushes to be added after vis leafs
#define CONTENTS_TRANSLUCENT 0x10000000  // auto set if any surface has trans
#define CONTENTS_LADDER 0x20000000
#define CONTENTS_HITBOX 0x40000000  // use accurate hitboxes on trace

// NOTE: These are stored in a short in the engine now.  Don't use more than 16
// bits
#define SURF_LIGHT 0x0001  // value will hold the light strength
#define SURF_SKY2D \
    0x0002  // don't draw, indicates we should skylight + draw 2d sky but not
            // draw the 3D skybox
#define SURF_SKY 0x0004   // don't draw, but add to skybox
#define SURF_WARP 0x0008  // turbulent water warp
#define SURF_TRANS 0x0010
#define SURF_NOPORTAL 0x0020  // the surface can not have a portal placed on it
#define SURF_TRIGGER \
    0x0040  // FIXME: This is an xbox hack to work around elimination of trigger
            // surfaces, which breaks occluders
#define SURF_NODRAW 0x0080  // don't bother referencing the texture

#define SURF_HINT 0x0100  // make a primary bsp splitter

#define SURF_SKIP 0x0200     // completely ignore, allowing non-closed brushes
#define SURF_NOLIGHT 0x0400  // Don't calculate light
#define SURF_BUMPLIGHT \
    0x0800  // calculate three lightmaps for the surface for bumpmapping
#define SURF_NOSHADOWS 0x1000  // Don't receive shadows
#define SURF_NODECALS 0x2000   // Don't receive decals
#define SURF_NOCHOP 0x4000     // Don't subdivide patches on this surface
#define SURF_HITBOX 0x8000     // surface is part of a hitbox

// -----------------------------------------------------
// spatial content masks - used for spatial queries (traceline,etc.)
// -----------------------------------------------------
#define MASK_ALL (0xFFFFFFFF)
// everything that is normally solid
#define MASK_SOLID                                                             \
    (CONTENTS_SOLID | CONTENTS_MOVEABLE | CONTENTS_WINDOW | CONTENTS_MONSTER | \
     CONTENTS_GRATE)
// everything that blocks player movement
#define MASK_PLAYERSOLID                                        \
    (CONTENTS_SOLID | CONTENTS_MOVEABLE | CONTENTS_PLAYERCLIP | \
     CONTENTS_WINDOW | CONTENTS_MONSTER | CONTENTS_GRATE)
// blocks npc movement
#define MASK_NPCSOLID                                            \
    (CONTENTS_SOLID | CONTENTS_MOVEABLE | CONTENTS_MONSTERCLIP | \
     CONTENTS_WINDOW | CONTENTS_MONSTER | CONTENTS_GRATE)
// water physics in these contents
#define MASK_WATER (CONTENTS_WATER | CONTENTS_MOVEABLE | CONTENTS_SLIME)
// everything that blocks lighting
#define MASK_OPAQUE (CONTENTS_SOLID | CONTENTS_MOVEABLE | CONTENTS_OPAQUE)
// everything that blocks lighting, but with monsters added.
#define MASK_OPAQUE_AND_NPCS (MASK_OPAQUE | CONTENTS_MONSTER)
// everything that blocks line of sight for AI
#define MASK_BLOCKLOS (CONTENTS_SOLID | CONTENTS_MOVEABLE | CONTENTS_BLOCKLOS)
// everything that blocks line of sight for AI plus NPCs
#define MASK_BLOCKLOS_AND_NPCS (MASK_BLOCKLOS | CONTENTS_MONSTER)
// everything that blocks line of sight for players
#define MASK_VISIBLE (MASK_OPAQUE | CONTENTS_IGNORE_NODRAW_OPAQUE)
// everything that blocks line of sight for players, but with monsters added.
#define MASK_VISIBLE_AND_NPCS \
    (MASK_OPAQUE_AND_NPCS | CONTENTS_IGNORE_NODRAW_OPAQUE)
// bullets see these as solid
#define MASK_SHOT                                                              \
    (CONTENTS_SOLID | CONTENTS_MOVEABLE | CONTENTS_MONSTER | CONTENTS_WINDOW | \
     CONTENTS_DEBRIS | CONTENTS_HITBOX)
// non-raycasted weapons see this as solid (includes grates)
#define MASK_SHOT_HULL                                                         \
    (CONTENTS_SOLID | CONTENTS_MOVEABLE | CONTENTS_MONSTER | CONTENTS_WINDOW | \
     CONTENTS_DEBRIS | CONTENTS_GRATE)
// hits solids (not grates) and passes through everything else
#define MASK_SHOT_PORTAL \
    (CONTENTS_SOLID | CONTENTS_MOVEABLE | CONTENTS_WINDOW | CONTENTS_MONSTER)
// everything normally solid, except monsters (world+brush only)
#define MASK_SOLID_BRUSHONLY \
    (CONTENTS_SOLID | CONTENTS_MOVEABLE | CONTENTS_WINDOW | CONTENTS_GRATE)
// everything normally solid for player movement, except monsters (world+brush
// only)
#define MASK_PLAYERSOLID_BRUSHONLY                          \
    (CONTENTS_SOLID | CONTENTS_MOVEABLE | CONTENTS_WINDOW | \
     CONTENTS_PLAYERCLIP | CONTENTS_GRATE)
// everything normally solid for npc movement, except monsters (world+brush
// only)
#define MASK_NPCSOLID_BRUSHONLY                             \
    (CONTENTS_SOLID | CONTENTS_MOVEABLE | CONTENTS_WINDOW | \
     CONTENTS_MONSTERCLIP | CONTENTS_GRATE)
// just the world, used for route rebuilding
#define MASK_NPCWORLDSTATIC \
    (CONTENTS_SOLID | CONTENTS_WINDOW | CONTENTS_MONSTERCLIP | CONTENTS_GRATE)
// These are things that can split areaportals
#define MASK_SPLITAREAPORTAL (CONTENTS_WATER | CONTENTS_SLIME)

// UNDONE: This is untested, any moving water
#define MASK_CURRENT                                                   \
    (CONTENTS_CURRENT_0 | CONTENTS_CURRENT_90 | CONTENTS_CURRENT_180 | \
     CONTENTS_CURRENT_270 | CONTENTS_CURRENT_UP | CONTENTS_CURRENT_DOWN)

// everything that blocks corpse movement
// UNDONE: Not used yet / may be deleted
#define MASK_DEADSOLID \
    (CONTENTS_SOLID | CONTENTS_PLAYERCLIP | CONTENTS_WINDOW | CONTENTS_GRATE)

#endif  // BSPFLAGS_H