code/server/sv_bot.c - sourcetech - noire-dev/SourceTech

code/server/sv_bot.c
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noire-dev
Update: 2025-12-21 16:14 powersaving and clean
21 дек 2025, 07:14
21 дек 2025, 07:1405bd062
/*
===========================================================================
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 Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/
// sv_bot.c

#include "server.h"
#include "../botlib/botlib.h"

typedef struct bot_debugpoly_s
{
	int inuse;
	int color;
	int numPoints;
	vec3_t points[128];
} bot_debugpoly_t;

static bot_debugpoly_t *debugpolygons;
static int bot_maxdebugpolys;

extern botlib_export_t	*botlib_export;
int	bot_enable;

/*
==================
SV_BotAllocateClient
==================
*/
int SV_BotAllocateClient( void ) {
	int			i;
	client_t	*cl;

	// find a client slot
	for ( i = 0, cl = svs.clients; i < sv.maxclients; i++, cl++ ) {
		if ( cl->state == CS_FREE ) {
			break;
		}
	}

	if ( i == sv.maxclients ) {
		return -1;
	}

	cl->gentity = SV_GentityNum( i );
	cl->gentity->s.number = i;
	cl->state = CS_ACTIVE;
	cl->lastPacketTime = svs.time;
	cl->snapshotMsec = 1000 / sv_fps->integer;
	cl->netchan.remoteAddress.type = NA_BOT;
	cl->rate = 0;
	
	return i;
}


/*
==================
SV_BotFreeClient
==================
*/
void SV_BotFreeClient( int clientNum ) {
	client_t	*cl;

	if ( (unsigned) clientNum >= sv.maxclients ) {
		Com_Error( ERR_DROP, "SV_BotFreeClient: bad clientNum: %i", clientNum );
	}

	cl = &svs.clients[clientNum];
	cl->state = CS_FREE;
	cl->name[0] = '\0';
	if ( cl->gentity ) {
		cl->gentity->r.svFlags &= ~SVF_BOT;
	}
}

/*
==================
BotImport_Print
==================
*/
static __attribute__ ((format (printf, 2, 3))) void QDECL BotImport_Print(int type, const char *fmt, ...)
{
	char str[2048];
	va_list ap;

	va_start(ap, fmt);
	Q_vsnprintf(str, sizeof(str), fmt, ap);
	va_end(ap);

	switch(type) {
		case PRT_MESSAGE: {
			Com_Printf("%s", str);
			break;
		}
		case PRT_WARNING: {
			Com_Printf(S_COLOR_YELLOW "Warning: %s", str);
			break;
		}
		case PRT_ERROR: {
			Com_Printf(S_COLOR_RED "Error: %s", str);
			break;
		}
		case PRT_FATAL: {
			Com_Printf(S_COLOR_RED "Fatal: %s", str);
			break;
		}
		case PRT_EXIT: {
			Com_Error(ERR_DROP, S_COLOR_RED "Exit: %s", str);
			break;
		}
		default: {
			Com_Printf("unknown print type\n");
			break;
		}
	}
}

/*
==================
BotImport_Trace
==================
*/
static void BotImport_Trace(bsp_trace_t *bsptrace, vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, int passent, int contentmask) {
	trace_t trace;

	SV_Trace(&trace, start, mins, maxs, end, passent, contentmask);
	//copy the trace information
	bsptrace->allsolid = trace.allsolid;
	bsptrace->startsolid = trace.startsolid;
	bsptrace->fraction = trace.fraction;
	VectorCopy(trace.endpos, bsptrace->endpos);
	bsptrace->plane.dist = trace.plane.dist;
	VectorCopy(trace.plane.normal, bsptrace->plane.normal);
	bsptrace->plane.signbits = trace.plane.signbits;
	bsptrace->plane.type = trace.plane.type;
	bsptrace->surface.value = 0;
	bsptrace->surface.flags = trace.surfaceFlags;
	bsptrace->ent = trace.entityNum;
	bsptrace->exp_dist = 0;
	bsptrace->sidenum = 0;
	bsptrace->contents = 0;
}

/*
==================
BotImport_EntityTrace
==================
*/
static void BotImport_EntityTrace(bsp_trace_t *bsptrace, vec3_t start, vec3_t mins, vec3_t maxs, vec3_t end, int entnum, int contentmask) {
	trace_t trace;

	SV_ClipToEntity(&trace, start, mins, maxs, end, entnum, contentmask);
	//copy the trace information
	bsptrace->allsolid = trace.allsolid;
	bsptrace->startsolid = trace.startsolid;
	bsptrace->fraction = trace.fraction;
	VectorCopy(trace.endpos, bsptrace->endpos);
	bsptrace->plane.dist = trace.plane.dist;
	VectorCopy(trace.plane.normal, bsptrace->plane.normal);
	bsptrace->plane.signbits = trace.plane.signbits;
	bsptrace->plane.type = trace.plane.type;
	bsptrace->surface.value = 0;
	bsptrace->surface.flags = trace.surfaceFlags;
	bsptrace->ent = trace.entityNum;
	bsptrace->exp_dist = 0;
	bsptrace->sidenum = 0;
	bsptrace->contents = 0;
}


/*
==================
BotImport_PointContents
==================
*/
static int BotImport_PointContents(vec3_t point) {
	return SV_PointContents(point, -1);
}

/*
==================
BotImport_inPVS
==================
*/
static int BotImport_inPVS(vec3_t p1, vec3_t p2) {
	return SV_inPVS (p1, p2);
}

/*
==================
BotImport_BSPEntityData
==================
*/
static char *BotImport_BSPEntityData(void) {
	return CM_EntityString();
}

/*
==================
BotImport_BSPModelMinsMaxsOrigin
==================
*/
static void BotImport_BSPModelMinsMaxsOrigin(int modelnum, vec3_t angles, vec3_t outmins, vec3_t outmaxs, vec3_t origin) {
	clipHandle_t h;
	vec3_t mins, maxs;
	float max;
	int	i;

	h = CM_InlineModel(modelnum);
	CM_ModelBounds(h, mins, maxs);
	//if the model is rotated
	if ((angles[0] || angles[1] || angles[2])) {
		// expand for rotation

		max = RadiusFromBounds(mins, maxs);
		for (i = 0; i < 3; i++) {
			mins[i] = -max;
			maxs[i] = max;
		}
	}
	if (outmins) VectorCopy(mins, outmins);
	if (outmaxs) VectorCopy(maxs, outmaxs);
	if (origin) VectorClear(origin);
}

/*
==================
BotImport_GetMemory
==================
*/
static void *BotImport_GetMemory(int size) {
	void *ptr;

	ptr = Z_TagMalloc( size, TAG_BOTLIB );
	return ptr;
}

/*
==================
BotImport_FreeMemory
==================
*/
static void BotImport_FreeMemory(void *ptr) {
	Z_Free(ptr);
}

/*
=================
BotImport_HunkAlloc
=================
*/
static void *BotImport_HunkAlloc( int size ) {
	return Hunk_Alloc( size );
}

/*
==================
SV_BotClientCommand
==================
*/
static void BotClientCommand( int client, const char *command ) {
	if ( (unsigned) client < sv.maxclients ) {
		SV_ExecuteClientCommand( &svs.clients[client], command );
	}
}

/*
==================
SV_BotFrame
==================
*/
void SV_BotFrame( int time ) {
    if (!bot_enable) return;
	if (!gvm) return;
	VM_Call( gvm, 1, BOTAI_START_FRAME, time );
}

/*
===============
SV_BotLibSetup
===============
*/
int SV_BotLibSetup( void ) {
    if (!bot_enable) return 0;
	if ( !botlib_export ) {
		Com_Printf( S_COLOR_RED "Error: SV_BotLibSetup without SV_BotInitBotLib\n" );
		return -1;
	}

	return botlib_export->BotLibSetup();
}

/*
===============
SV_ShutdownBotLib

Called when either the entire server is being killed, or
it is changing to a different game directory.
===============
*/
int SV_BotLibShutdown( void ) {

	if ( !botlib_export ) {
		return -1;
	}

	return botlib_export->BotLibShutdown();
}

/*
==================
SV_BotInitCvars
==================
*/
void SV_BotInitCvars(void) {
	Cvar_Get("bot_enable", "1", 0);						//enable the bot
	Cvar_Get("bot_developer", "0", CVAR_CHEAT);			//bot developer mode
	Cvar_Get("bot_debug", "0", CVAR_CHEAT);				//enable bot debugging
	Cvar_Get("bot_maxdebugpolys", "2", 0);				//maximum number of debug polys
	Cvar_Get("bot_groundonly", "1", 0);					//only show ground faces of areas
	Cvar_Get("bot_reachability", "0", 0);				//show all reachabilities to other areas
	Cvar_Get("bot_visualizejumppads", "0", CVAR_CHEAT);	//show jumppads
	Cvar_Get("bot_forceclustering", "0", 0);			//force cluster calculations
	Cvar_Get("bot_forcereachability", "0", 0);			//force reachability calculations
	Cvar_Get("bot_forcewrite", "0", 0);					//force writing aas file
	Cvar_Get("bot_aasoptimize", "0", 0);				//no aas file optimisation
	Cvar_Get("bot_saveroutingcache", "0", 0);			//save routing cache
	Cvar_Get("bot_thinktime", "100", 0);				//msec the bots thinks
	Cvar_Get("bot_reloadcharacters", "0", 0);			//reload the bot characters each time
	Cvar_Get("bot_testichat", "0", 0);					//test ichats
	Cvar_Get("bot_testrchat", "0", 0);					//test rchats
	Cvar_Get("bot_testsolid", "0", CVAR_CHEAT);			//test for solid areas
	Cvar_Get("bot_testclusters", "0", CVAR_CHEAT);		//test the AAS clusters
	Cvar_Get("bot_fastchat", "0", 0);					//fast chatting bots
	Cvar_Get("bot_nochat", "0", 0);						//disable chats
	Cvar_Get("bot_pause", "0", CVAR_CHEAT);				//pause the bots thinking
	Cvar_Get("bot_report", "0", CVAR_CHEAT);			//get a full report in ctf
	Cvar_Get("bot_grapple", "0", 0);					//enable grapple
	Cvar_Get("bot_rocketjump", "1", 0);					//enable rocket jumping
	Cvar_Get("bot_challenge", "0", 0);					//challenging bot
}

/*
==================
SV_BotInitBotLib
==================
*/
void SV_BotInitBotLib(void) {
	botlib_import_t	botlib_import;

	if (debugpolygons) Z_Free(debugpolygons);
	bot_maxdebugpolys = 2;
	debugpolygons = Z_Malloc(sizeof(bot_debugpoly_t) * bot_maxdebugpolys);

	botlib_import.Print = BotImport_Print;
	botlib_import.Trace = BotImport_Trace;
	botlib_import.EntityTrace = BotImport_EntityTrace;
	botlib_import.PointContents = BotImport_PointContents;
	botlib_import.inPVS = BotImport_inPVS;
	botlib_import.BSPEntityData = BotImport_BSPEntityData;
	botlib_import.BSPModelMinsMaxsOrigin = BotImport_BSPModelMinsMaxsOrigin;
	botlib_import.BotClientCommand = BotClientCommand;

	//memory management
	botlib_import.GetMemory = BotImport_GetMemory;
	botlib_import.FreeMemory = BotImport_FreeMemory;
	botlib_import.AvailableMemory = Z_AvailableMemory;
	botlib_import.HunkAlloc = BotImport_HunkAlloc;

	// file system access
	botlib_import.FS_FOpenFile = FS_FOpenFileByMode;
	botlib_import.FS_Read = FS_Read;
	botlib_import.FS_Write = FS_Write;
	botlib_import.FS_FCloseFile = FS_FCloseFile;
	botlib_import.FS_Seek = FS_Seek;

	botlib_import.Sys_Milliseconds = Sys_Milliseconds;

	botlib_export = (botlib_export_t *)GetBotLibAPI( BOTLIB_API_VERSION, &botlib_import );
	assert(botlib_export); 	// somehow we end up with a zero import.
}


//
//  * * * BOT AI CODE IS BELOW THIS POINT * * *
//

/*
==================
SV_BotGetConsoleMessage
==================
*/
int SV_BotGetConsoleMessage( int client, char *buf, int size )
{
	if ( (unsigned) client < sv.maxclients ) {
		client_t* cl;
		int index;

		cl = &svs.clients[client];
		cl->lastPacketTime = svs.time;

		if ( cl->reliableAcknowledge == cl->reliableSequence ) {
			return qfalse;
		}

		cl->reliableAcknowledge++;
		index = cl->reliableAcknowledge & ( MAX_RELIABLE_COMMANDS - 1 );

		if ( !cl->reliableCommands[index][0] ) {
			return qfalse;
		}

		Q_strncpyz( buf, cl->reliableCommands[index], size );
		return qtrue;
	} else {
		return qfalse;
	}
}

/*
==================
SV_BotGetSnapshotEntity
==================
*/
int SV_BotGetSnapshotEntity( int client, int sequence ) {
	if ( (unsigned) client < sv.maxclients ) {
		const client_t* cl = &svs.clients[client];
		const clientSnapshot_t* frame = &cl->frames[cl->netchan.outgoingSequence & PACKET_MASK];
		if ( (unsigned) sequence >= frame->num_entities ) {
			return -1;
		}
		return frame->ents[sequence]->number;
	} else {
		return -1;
	}
}