g_syscalls.c

quakeIII源码这个不用我多说吧

/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena source code 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.

Quake III Arena source code 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 Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/
//
#include "g_local.h"

// this file is only included when building a dll
// g_syscalls.asm is included instead when building a qvm
#ifdef Q3_VM
#error "Do not use in VM build"
#endif

static int (QDECL *syscall)( int arg, ... ) = (int (QDECL *)( int, ...))-1;


void dllEntry( int (QDECL *syscallptr)( int arg,... ) ) {
	syscall = syscallptr;
}

int PASSFLOAT( float x ) {
	float	floatTemp;
	floatTemp = x;
	return *(int *)&floatTemp;
}

void	trap_Printf( const char *fmt ) {
	syscall( G_PRINT, fmt );
}

void	trap_Error( const char *fmt ) {
	syscall( G_ERROR, fmt );
}

int		trap_Milliseconds( void ) {
	return syscall( G_MILLISECONDS ); 
}
int		trap_Argc( void ) {
	return syscall( G_ARGC );
}

void	trap_Argv( int n, char *buffer, int bufferLength ) {
	syscall( G_ARGV, n, buffer, bufferLength );
}

int		trap_FS_FOpenFile( const char *qpath, fileHandle_t *f, fsMode_t mode ) {
	return syscall( G_FS_FOPEN_FILE, qpath, f, mode );
}

void	trap_FS_Read( void *buffer, int len, fileHandle_t f ) {
	syscall( G_FS_READ, buffer, len, f );
}

void	trap_FS_Write( const void *buffer, int len, fileHandle_t f ) {
	syscall( G_FS_WRITE, buffer, len, f );
}

void	trap_FS_FCloseFile( fileHandle_t f ) {
	syscall( G_FS_FCLOSE_FILE, f );
}

int trap_FS_GetFileList(  const char *path, const char *extension, char *listbuf, int bufsize ) {
	return syscall( G_FS_GETFILELIST, path, extension, listbuf, bufsize );
}

int trap_FS_Seek( fileHandle_t f, long offset, int origin ) {
	return syscall( G_FS_SEEK, f, offset, origin );
}

void	trap_SendConsoleCommand( int exec_when, const char *text ) {
	syscall( G_SEND_CONSOLE_COMMAND, exec_when, text );
}

void	trap_Cvar_Register( vmCvar_t *cvar, const char *var_name, const char *value, int flags ) {
	syscall( G_CVAR_REGISTER, cvar, var_name, value, flags );
}

void	trap_Cvar_Update( vmCvar_t *cvar ) {
	syscall( G_CVAR_UPDATE, cvar );
}

void trap_Cvar_Set( const char *var_name, const char *value ) {
	syscall( G_CVAR_SET, var_name, value );
}

int trap_Cvar_VariableIntegerValue( const char *var_name ) {
	return syscall( G_CVAR_VARIABLE_INTEGER_VALUE, var_name );
}

void trap_Cvar_VariableStringBuffer( const char *var_name, char *buffer, int bufsize ) {
	syscall( G_CVAR_VARIABLE_STRING_BUFFER, var_name, buffer, bufsize );
}


void trap_LocateGameData( gentity_t *gEnts, int numGEntities, int sizeofGEntity_t,
						 playerState_t *clients, int sizeofGClient ) {
	syscall( G_LOCATE_GAME_DATA, gEnts, numGEntities, sizeofGEntity_t, clients, sizeofGClient );
}

void trap_DropClient( int clientNum, const char *reason ) {
	syscall( G_DROP_CLIENT, clientNum, reason );
}

void trap_SendServerCommand( int clientNum, const char *text ) {
	syscall( G_SEND_SERVER_COMMAND, clientNum, text );
}

void trap_SetConfigstring( int num, const char *string ) {
	syscall( G_SET_CONFIGSTRING, num, string );
}

void trap_GetConfigstring( int num, char *buffer, int bufferSize ) {
	syscall( G_GET_CONFIGSTRING, num, buffer, bufferSize );
}

void trap_GetUserinfo( int num, char *buffer, int bufferSize ) {
	syscall( G_GET_USERINFO, num, buffer, bufferSize );
}

void trap_SetUserinfo( int num, const char *buffer ) {
	syscall( G_SET_USERINFO, num, buffer );
}

void trap_GetServerinfo( char *buffer, int bufferSize ) {
	syscall( G_GET_SERVERINFO, buffer, bufferSize );
}

void trap_SetBrushModel( gentity_t *ent, const char *name ) {
	syscall( G_SET_BRUSH_MODEL, ent, name );
}

void trap_Trace( trace_t *results, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int passEntityNum, int contentmask ) {
	syscall( G_TRACE, results, start, mins, maxs, end, passEntityNum, contentmask );
}

void trap_TraceCapsule( trace_t *results, const vec3_t start, const vec3_t mins, const vec3_t maxs, const vec3_t end, int passEntityNum, int contentmask ) {
	syscall( G_TRACECAPSULE, results, start, mins, maxs, end, passEntityNum, contentmask );
}

int trap_PointContents( const vec3_t point, int passEntityNum ) {
	return syscall( G_POINT_CONTENTS, point, passEntityNum );
}


qboolean trap_InPVS( const vec3_t p1, const vec3_t p2 ) {
	return syscall( G_IN_PVS, p1, p2 );
}

qboolean trap_InPVSIgnorePortals( const vec3_t p1, const vec3_t p2 ) {
	return syscall( G_IN_PVS_IGNORE_PORTALS, p1, p2 );
}

void trap_AdjustAreaPortalState( gentity_t *ent, qboolean open ) {
	syscall( G_ADJUST_AREA_PORTAL_STATE, ent, open );
}

qboolean trap_AreasConnected( int area1, int area2 ) {
	return syscall( G_AREAS_CONNECTED, area1, area2 );
}

void trap_LinkEntity( gentity_t *ent ) {
	syscall( G_LINKENTITY, ent );
}

void trap_UnlinkEntity( gentity_t *ent ) {
	syscall( G_UNLINKENTITY, ent );
}

int trap_EntitiesInBox( const vec3_t mins, const vec3_t maxs, int *list, int maxcount ) {
	return syscall( G_ENTITIES_IN_BOX, mins, maxs, list, maxcount );
}

qboolean trap_EntityContact( const vec3_t mins, const vec3_t maxs, const gentity_t *ent ) {
	return syscall( G_ENTITY_CONTACT, mins, maxs, ent );
}

qboolean trap_EntityContactCapsule( const vec3_t mins, const vec3_t maxs, const gentity_t *ent ) {
	return syscall( G_ENTITY_CONTACTCAPSULE, mins, maxs, ent );
}

int trap_BotAllocateClient( void ) {
	return syscall( G_BOT_ALLOCATE_CLIENT );
}

void trap_BotFreeClient( int clientNum ) {
	syscall( G_BOT_FREE_CLIENT, clientNum );
}

void trap_GetUsercmd( int clientNum, usercmd_t *cmd ) {
	syscall( G_GET_USERCMD, clientNum, cmd );
}

qboolean trap_GetEntityToken( char *buffer, int bufferSize ) {
	return syscall( G_GET_ENTITY_TOKEN, buffer, bufferSize );
}

int trap_DebugPolygonCreate(int color, int numPoints, vec3_t *points) {
	return syscall( G_DEBUG_POLYGON_CREATE, color, numPoints, points );
}

void trap_DebugPolygonDelete(int id) {
	syscall( G_DEBUG_POLYGON_DELETE, id );
}

int trap_RealTime( qtime_t *qtime ) {
	return syscall( G_REAL_TIME, qtime );
}

void trap_SnapVector( float *v ) {
	syscall( G_SNAPVECTOR, v );
	return;
}

// BotLib traps start here
int trap_BotLibSetup( void ) {
	return syscall( BOTLIB_SETUP );
}

int trap_BotLibShutdown( void ) {
	return syscall( BOTLIB_SHUTDOWN );
}

int trap_BotLibVarSet(char *var_name, char *value) {
	return syscall( BOTLIB_LIBVAR_SET, var_name, value );
}

int trap_BotLibVarGet(char *var_name, char *value, int size) {
	return syscall( BOTLIB_LIBVAR_GET, var_name, value, size );
}

int trap_BotLibDefine(char *string) {
	return syscall( BOTLIB_PC_ADD_GLOBAL_DEFINE, string );
}

int trap_BotLibStartFrame(float time) {
	return syscall( BOTLIB_START_FRAME, PASSFLOAT( time ) );
}

int trap_BotLibLoadMap(const char *mapname) {
	return syscall( BOTLIB_LOAD_MAP, mapname );
}

int trap_BotLibUpdateEntity(int ent, void /* struct bot_updateentity_s */ *bue) {
	return syscall( BOTLIB_UPDATENTITY, ent, bue );
}

int trap_BotLibTest(int parm0, char *parm1, vec3_t parm2, vec3_t parm3) {
	return syscall( BOTLIB_TEST, parm0, parm1, parm2, parm3 );
}

int trap_BotGetSnapshotEntity( int clientNum, int sequence ) {
	return syscall( BOTLIB_GET_SNAPSHOT_ENTITY, clientNum, sequence );
}

int trap_BotGetServerCommand(int clientNum, char *message, int size) {
	return syscall( BOTLIB_GET_CONSOLE_MESSAGE, clientNum, message, size );
}

void trap_BotUserCommand(int clientNum, usercmd_t *ucmd) {
	syscall( BOTLIB_USER_COMMAND, clientNum, ucmd );
}

void trap_AAS_EntityInfo(int entnum, void /* struct aas_entityinfo_s */ *info) {
	syscall( BOTLIB_AAS_ENTITY_INFO, entnum, info );
}

int trap_AAS_Initialized(void) {
	return syscall( BOTLIB_AAS_INITIALIZED );
}

void trap_AAS_PresenceTypeBoundingBox(int presencetype, vec3_t mins, vec3_t maxs) {
	syscall( BOTLIB_AAS_PRESENCE_TYPE_BOUNDING_BOX, presencetype, mins, maxs );
}

float trap_AAS_Time(void) {
	int temp;
	temp = syscall( BOTLIB_AAS_TIME );
	return (*(float*)&temp);
}

int trap_AAS_PointAreaNum(vec3_t point) {
	return syscall( BOTLIB_AAS_POINT_AREA_NUM, point );
}

int trap_AAS_PointReachabilityAreaIndex(vec3_t point) {
	return syscall( BOTLIB_AAS_POINT_REACHABILITY_AREA_INDEX, point );
}

int trap_AAS_TraceAreas(vec3_t start, vec3_t end, int *areas, vec3_t *points, int maxareas) {
	return syscall( BOTLIB_AAS_TRACE_AREAS, start, end, areas, points, maxareas );
}

int trap_AAS_BBoxAreas(vec3_t absmins, vec3_t absmaxs, int *areas, int maxareas) {
	return syscall( BOTLIB_AAS_BBOX_AREAS, absmins, absmaxs, areas, maxareas );
}

int trap_AAS_AreaInfo( int areanum, void /* struct aas_areainfo_s */ *info ) {
	return syscall( BOTLIB_AAS_AREA_INFO, areanum, info );
}

int trap_AAS_PointContents(vec3_t point) {
	return syscall( BOTLIB_AAS_POINT_CONTENTS, point );
}

int trap_AAS_NextBSPEntity(int ent) {
	return syscall( BOTLIB_AAS_NEXT_BSP_ENTITY, ent );
}

int trap_AAS_ValueForBSPEpairKey(int ent, char *key, char *value, int size) {
	return syscall( BOTLIB_AAS_VALUE_FOR_BSP_EPAIR_KEY, ent, key, value, size );
}

int trap_AAS_VectorForBSPEpairKey(int ent, char *key, vec3_t v) {
	return syscall( BOTLIB_AAS_VECTOR_FOR_BSP_EPAIR_KEY, ent, key, v );
}

int trap_AAS_FloatForBSPEpairKey(int ent, char *key, float *value) {
	return syscall( BOTLIB_AAS_FLOAT_FOR_BSP_EPAIR_KEY, ent, key, value );
}

int trap_AAS_IntForBSPEpairKey(int ent, char *key, int *value) {
	return syscall( BOTLIB_AAS_INT_FOR_BSP_EPAIR_KEY, ent, key, value );
}

int trap_AAS_AreaReachability(int areanum) {
	return syscall( BOTLIB_AAS_AREA_REACHABILITY, areanum );
}

int trap_AAS_AreaTravelTimeToGoalArea(int areanum, vec3_t origin, int goalareanum, int travelflags) {
	return syscall( BOTLIB_AAS_AREA_TRAVEL_TIME_TO_GOAL_AREA, areanum, origin, goalareanum, travelflags );
}

int trap_AAS_EnableRoutingArea( int areanum, int enable ) {
	return syscall( BOTLIB_AAS_ENABLE_ROUTING_AREA, areanum, enable );
}

int trap_AAS_PredictRoute(void /*struct aas_predictroute_s*/ *route, int areanum, vec3_t origin,
							int goalareanum, int travelflags, int maxareas, int maxtime,
							int stopevent, int stopcontents, int stoptfl, int stopareanum) {
	return syscall( BOTLIB_AAS_PREDICT_ROUTE, route, areanum, origin, goalareanum, travelflags, maxareas, maxtime, stopevent, stopcontents, stoptfl, stopareanum );
}

int trap_AAS_AlternativeRouteGoals(vec3_t start, int startareanum, vec3_t goal, int goalareanum, int travelflags,
										void /*struct aas_altroutegoal_s*/ *altroutegoals, int maxaltroutegoals,
										int type) {
	return syscall( BOTLIB_AAS_ALTERNATIVE_ROUTE_GOAL, start, startareanum, goal, goalareanum, travelflags, altroutegoals, maxaltroutegoals, type );
}

int trap_AAS_Swimming(vec3_t origin) {
	return syscall( BOTLIB_AAS_SWIMMING, origin );
}

int trap_AAS_PredictClientMovement(void /* struct aas_clientmove_s */ *move, int entnum, vec3_t origin, int presencetype, int onground, vec3_t velocity, vec3_t cmdmove, int cmdframes, int maxframes, float frametime, int stopevent, int stopareanum, int visualize) {
	return syscall( BOTLIB_AAS_PREDICT_CLIENT_MOVEMENT, move, entnum, origin, presencetype, onground, velocity, cmdmove, cmdframes, maxframes, PASSFLOAT(frametime), stopevent, stopareanum, visualize );
}

void trap_EA_Say(int client, char *str) {
	syscall( BOTLIB_EA_SAY, client, str );
}

void trap_EA_SayTeam(int client, char *str) {
	syscall( BOTLIB_EA_SAY_TEAM, client, str );
}

void trap_EA_Command(int client, char *command) {
	syscall( BOTLIB_EA_COMMAND, client, command );
}

void trap_EA_Action(int client, int action) {
	syscall( BOTLIB_EA_ACTION, client, action );
}

void trap_EA_Gesture(int client) {
	syscall( BOTLIB_EA_GESTURE, client );
}

void trap_EA_Talk(int client) {
	syscall( BOTLIB_EA_TALK, client );
}