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https://git.code.sf.net/p/quake/quakeforge
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925300716b
It was added only because FitzQuake used it in its pre-bsp2 large-map support. That support has been hidden in bspfile.c for some time now. This doesn't gain much other than having one less type to worry about. Well tested on Conflagrant Rodent (the map that caused the need for mclipnode_t in the first place).
155 lines
4.9 KiB
C
155 lines
4.9 KiB
C
/*
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world.h
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@description@
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifndef __world_h
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#define __world_h
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#include "QF/link.h"
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#include "QF/mathlib.h"
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#include "QF/model.h"
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typedef struct {
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qboolean present;
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vec3_t laggedpos;
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} laggedentinfo_t;
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typedef enum {
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tr_point,
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tr_box,
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tr_ellipsoid,
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} trace_e;
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typedef struct trace_s {
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qboolean allsolid; // if true, plane is not valid
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qboolean startsolid; // if true, the initial point was in a solid area
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qboolean inopen, inwater;
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float fraction; // time completed, 1.0 = didn't hit anything
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vec3_t extents; // 1/2 size of traced box
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trace_e type; // type of trace to perform
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vec3_t endpos; // final position
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plane_t plane; // surface normal at impact
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struct edict_s *ent; // entity the surface is on
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unsigned contents; // contents of leafs touched by trace
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} trace_t;
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#define MOVE_NORMAL 0
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#define MOVE_NOMONSTERS 1
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#define MOVE_MISSILE 2
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#define MOVE_HITMODEL 4
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#define MOVE_RESERVED 8
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#define MOVE_TRIGGERS 16 //triggers must be marked with FINDABLE_NONSOLID (an alternative to solid-corpse)
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#define MOVE_EVERYTHING 32 //can return triggers and non-solid items if they're marked with FINDABLE_NONSOLID (works even if the items are not properly linked)
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#define MOVE_LAGGED 64 //trace touches current last-known-state, instead of actual ents (just affects players for now)
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#define MOVE_ENTCHAIN 128 //chain of impacted ents, otherwise result shows only world
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typedef struct areanode_s {
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int axis; // -1 = leaf node
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float dist;
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struct areanode_s *children[2];
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link_t trigger_edicts;
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link_t solid_edicts;
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} areanode_t;
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#define AREA_DEPTH 4
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#define AREA_NODES 32
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extern areanode_t sv_areanodes[AREA_NODES];
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void SV_FreeAllEdictLeafs (void);
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void SV_InitHull (hull_t *hull, dclipnode_t *clipnodes, plane_t *planes);
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void SV_ClearWorld (void);
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// called after the world model has been loaded, before linking any entities
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void SV_UnlinkEdict (struct edict_s *ent);
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// call before removing an entity, and before trying to move one,
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// so it doesn't clip against itself
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// flags ent->v.modified
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void SV_LinkEdict (struct edict_s *ent, qboolean touch_triggers);
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// Needs to be called any time an entity changes origin, mins, maxs, or solid
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// flags ent->v.modified
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// sets ent->v.absmin and ent->v.absmax
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// if touchtriggers, calls prog functions for the intersected triggers
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int SV_PointContents (const vec3_t p) __attribute__((pure));
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int SV_TruePointContents (const vec3_t p) __attribute__((pure));
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// returns the CONTENTS_* value from the world at the given point.
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// does not check any entities at all
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// the non-true version remaps the water current contents to content_water
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struct edict_s *SV_TestEntityPosition (struct edict_s *ent);
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trace_t SV_Move (const vec3_t start, const vec3_t mins, const vec3_t maxs,
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const vec3_t end, int type, struct edict_s *passedict);
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// mins and maxs are reletive
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// if the entire move stays in a solid volume, trace.allsolid will be set
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// if the starting point is in a solid, it will be allowed to move out
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// to an open area
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// nomonsters is used for line of sight or edge testing, where mosnters
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// shouldn't be considered solid objects
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// passedict is explicitly excluded from clipping checks (normally NULL)
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struct edict_s *SV_TestPlayerPosition (struct edict_s *ent,
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const vec3_t origin);
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int SV_HullPointContents (hull_t *hull, int num, const vec3_t p) __attribute__((pure));
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hull_t *SV_HullForEntity (struct edict_s *ent, const vec3_t mins,
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const vec3_t maxs, vec3_t extents, vec3_t offset);
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void MOD_TraceLine (hull_t *hull, int num,
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const vec3_t start, const vec3_t end, trace_t *trace);
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int MOD_HullContents (hull_t *hull, int num, const vec3_t origin,
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trace_t *trace);
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typedef struct clipport_s {
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int planenum;
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struct clipport_s *next[2]; ///< front, back
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struct clipleaf_s *leafs[2]; ///< front, back
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struct winding_s *winding;
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struct winding_s *edges; ///< unit vectors along edges
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} clipport_t;
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typedef struct clipleaf_s {
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clipport_t *portals;
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int contents;
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int test_count;
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} clipleaf_t;
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typedef struct nodeleaf_s {
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clipleaf_t *leafs[2]; ///< front, back. If null, node's child is a node
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} nodeleaf_t;
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nodeleaf_t *MOD_BuildBrushes (hull_t *hull);
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void MOD_FreeBrushes (hull_t *hull);
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#endif // __world_h
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