/* Copyright (C) 1996-1997 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. */ // world.h typedef struct plane_s { vec3_t normal; float dist; } plane_t; typedef struct csurface_s { char name[16]; int flags; int value; } q2csurface_t; typedef struct cplane_s { vec3_t normal; float dist; qbyte type; // for fast side tests qbyte signbits; // signx + (signy<<1) + (signz<<1) qbyte pad[2]; } cplane_t; /* typedef struct trace_s { qboolean allsolid; // if true, plane is not valid qboolean startsolid; // if true, the initial point was in a solid area qboolean inopen, inwater; float fraction; // time completed, 1.0 = didn't hit anything vec3_t endpos; // final position plane_t plane; // surface normal at impact edict_t *ent; // entity the surface is on } trace_t; */ //these two structures must match (except for extra qw members) typedef struct trace_s { //DON'T ADD ANYTHING BETWEEN THIS LINE //q2 game dll code will memcpy the lot from trace_t to q2trace_t. qboolean allsolid; // if true, plane is not valid qboolean startsolid; // if true, the initial point was in a solid area float fraction; // time completed, 1.0 = didn't hit anything vec3_t endpos; // final position cplane_t plane; // surface normal at impact q2csurface_t *surface; // surface hit int contents; // contents on other side of surface hit void *ent; // not set by CM_*() functions //AND THIS LINE int entnum; qboolean inopen, inwater; } trace_t; typedef struct q2trace_s { qboolean allsolid; // if true, plane is not valid qboolean startsolid; // if true, the initial point was in a solid area float fraction; // time completed, 1.0 = didn't hit anything vec3_t endpos; // final position cplane_t plane; // surface normal at impact q2csurface_t *surface; // surface hit int contents; // contents on other side of surface hit void *ent; // not set by CM_*() functions } q2trace_t; #define MOVE_NORMAL 0 #define MOVE_NOMONSTERS 1 #define MOVE_MISSILE 2 #define MOVE_HITMODEL 4 #define MOVE_RESERVED 8 //so we are less likly to get into tricky situations when we want to steal annother future DP extension. #define MOVE_TRIGGERS 16 //triggers must be marked with FINDABLE_NONSOLID (an alternative to solid-corpse) #define MOVE_EVERYTHING 32 //doesn't use the area grid stuff, and can return triggers and non-solid items if they're marked with FINDABLE_NONSOLID #define MOVE_LAGGED 64 //trace touches current last-known-state, instead of actual ents (just affects players for now) typedef struct areanode_s { int axis; // -1 = leaf node float dist; struct areanode_s *children[2]; link_t trigger_edicts; link_t solid_edicts; } areanode_t; #define AREA_DEPTH 4 #define AREA_NODES 32 //pow(2, AREA_DEPTH+1) #define EDICT_FROM_AREA(l) STRUCT_FROM_LINK(l,wedict_t,area) typedef struct wedict_s wedict_t; typedef struct { qboolean present; vec3_t laggedpos; } laggedentinfo_t; struct world_s { void (*Event_Touch)(struct world_s *w, wedict_t *s, wedict_t *o); model_t *(*GetCModel)(struct world_s *w, int modelindex); int *global_self; unsigned int max_edicts; //limiting factor... 1024 fields*4*MAX_EDICTS == a heck of a lot. unsigned int num_edicts; // increases towards MAX_EDICTS FTE_DEPRECATED unsigned int edict_size; //still used in copyentity wedict_t *edicts; // can NOT be array indexed. struct progfuncs_s *progs; qboolean usesolidcorpse; model_t *worldmodel; areanode_t areanodes[AREA_NODES]; int numareanodes; double physicstime; int lastcheck; // used by PF_checkclient double lastchecktime; // for monster ai float lagentsfrac; laggedentinfo_t *lagents; unsigned int maxlagents; #ifdef USEODE worldode_t ode; #endif }; typedef struct world_s world_t; #ifdef USEODE void World_Physics_RemoveFromEntity(world_t *world, wedict_t *ed); void World_Physics_RemoveJointFromEntity(world_t *world, wedict_t *ed); void World_Physics_Frame(world_t *world, double frametime, double gravity); void World_Physics_Init(void); void World_Physics_Start(world_t *world); void World_Physics_End(world_t *world); void World_Physics_Shutdown(void); #endif void World_ClearWorld (world_t *w); // called after the world model has been loaded, before linking any entities void World_UnlinkEdict (wedict_t *ent); // call before removing an entity, and before trying to move one, // so it doesn't clip against itself // flags ent->v.modified void World_LinkEdict (world_t *w, wedict_t *ent, qboolean touch_triggers); // Needs to be called any time an entity changes origin, mins, maxs, or solid // flags ent->v.modified // sets ent->v.absmin and ent->v.absmax // if touchtriggers, calls prog functions for the intersected triggers void World_TouchLinks (world_t *w, wedict_t *ent, areanode_t *node); int World_PointContents (world_t *w, vec3_t p); // returns the CONTENTS_* value from the world at the given point. // does not check any entities at all wedict_t *World_TestEntityPosition (world_t *w, wedict_t *ent); /* World_Move: mins and maxs are reletive if the entire move stays in a solid volume, trace.allsolid will be set if the starting point is in a solid, it will be allowed to move out to an open area nomonsters is used for line of sight or edge testing, where mosnters shouldn't be considered solid objects passedict is explicitly excluded from clipping checks (normally NULL) */ trace_t World_Move (world_t *w, vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, int type, wedict_t *passedict); #ifdef Q2SERVER typedef struct q2edict_s q2edict_t; void VARGS WorldQ2_LinkEdict(world_t *w, q2edict_t *ent); void VARGS WorldQ2_UnlinkEdict(world_t *w, q2edict_t *ent); int VARGS WorldQ2_AreaEdicts (world_t *w, vec3_t mins, vec3_t maxs, q2edict_t **list, int maxcount, int areatype); trace_t WorldQ2_Move (world_t *w, vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, int type, q2edict_t *passedict); unsigned int Q2BSP_FatPVS (model_t *mod, vec3_t org, qbyte *buffer, unsigned int buffersize, qboolean add); qboolean Q2BSP_EdictInFatPVS(model_t *mod, struct pvscache_s *ent, qbyte *pvs); void Q2BSP_FindTouchedLeafs(model_t *mod, struct pvscache_s *ent, float *mins, float *maxs); #endif /*sv_move.c*/ qboolean World_CheckBottom (world_t *world, wedict_t *ent); qboolean World_movestep (world_t *world, wedict_t *ent, vec3_t move, qboolean relink, qboolean noenemy, struct globalvars_s *set_trace); qboolean World_MoveToGoal (world_t *world, wedict_t *ent, float dist);