quakequest/Projects/Android/jni/darkplaces/world.h
2021-02-02 22:53:37 +00:00

146 lines
4 KiB
C

/*
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
#ifndef WORLD_H
#define WORLD_H
#include "collision.h"
#define MOVE_NORMAL 0
#define MOVE_NOMONSTERS 1
#define MOVE_MISSILE 2
#define MOVE_WORLDONLY 3
#define MOVE_HITMODEL 4
#define AREA_GRID 128
#define AREA_GRIDNODES (AREA_GRID * AREA_GRID)
typedef struct link_s
{
int entitynumber;
struct link_s *prev, *next;
} link_t;
typedef struct world_physics_s
{
// for ODE physics engine
qboolean ode; // if true then ode is activated
void *ode_world;
void *ode_space;
void *ode_contactgroup;
// number of constraint solver iterations to use (for dWorldQuickStep)
int ode_iterations;
// actual step (server frametime / ode_iterations)
vec_t ode_step;
// time we need to simulate, for constantstep
vec_t ode_time;
// stats
int ode_numobjects; // total objects cound
int ode_activeovjects; // active objects count
// max velocity for a 1-unit radius object at current step to prevent
// missed collisions
vec_t ode_movelimit;
}
world_physics_t;
struct prvm_prog_s;
typedef struct world_s
{
// convenient fields
char filename[MAX_QPATH];
vec3_t mins;
vec3_t maxs;
struct prvm_prog_s *prog;
int areagrid_stats_calls;
int areagrid_stats_nodechecks;
int areagrid_stats_entitychecks;
link_t areagrid[AREA_GRIDNODES];
link_t areagrid_outside;
vec3_t areagrid_bias;
vec3_t areagrid_scale;
vec3_t areagrid_mins;
vec3_t areagrid_maxs;
vec3_t areagrid_size;
int areagrid_marknumber;
// if the QC uses a physics engine, the data for it is here
world_physics_t physics;
}
world_t;
struct prvm_edict_s;
// cyclic doubly-linked list functions
void World_ClearLink(link_t *l);
void World_RemoveLink(link_t *l);
void World_InsertLinkBefore(link_t *l, link_t *before, int entitynumber);
void World_Init(void);
void World_Shutdown(void);
/// called after the world model has been loaded, before linking any entities
void World_SetSize(world_t *world, const char *filename, const vec3_t mins, const vec3_t maxs, struct prvm_prog_s *prog);
/// unlinks all entities (used before reallocation of edicts)
void World_UnlinkAll(world_t *world);
void World_PrintAreaStats(world_t *world, const char *worldname);
/// call before removing an entity, and before trying to move one,
/// so it doesn't clip against itself
void World_UnlinkEdict(struct prvm_edict_s *ent);
/// Needs to be called any time an entity changes origin, mins, maxs
void World_LinkEdict(world_t *world, struct prvm_edict_s *ent, const vec3_t mins, const vec3_t maxs);
/// \returns list of entities touching a box
int World_EntitiesInBox(world_t *world, const vec3_t mins, const vec3_t maxs, int maxlist, struct prvm_edict_s **list);
void World_Start(world_t *world);
void World_End(world_t *world);
// physics macros
#ifndef ODE_STATIC
# define ODE_DYNAMIC 1
#endif
#if defined(ODE_STATIC) || defined(ODE_DYNAMIC)
# define USEODE 1
#endif
// update physics
// this is called by SV_Physics
void World_Physics_Frame(world_t *world, double frametime, double gravity);
// change physics properties of entity
struct prvm_edict_s;
struct edict_odefunc_s;
void World_Physics_ApplyCmd(struct prvm_edict_s *ed, struct edict_odefunc_s *f);
// remove physics data from entity
// this is called by entity removal
void World_Physics_RemoveFromEntity(world_t *world, struct prvm_edict_s *ed);
void World_Physics_RemoveJointFromEntity(world_t *world, struct prvm_edict_s *ed);
#endif