Example #1
0
// recv lassat info on the receiving end.
BOOL recvLasSat(NETQUEUE queue)
{
	BASE_OBJECT	*psObj;
	UBYTE		player,targetplayer;
	STRUCTURE	*psStruct;
	uint32_t	id,targetid;

	// TODO Add some kind of checking, so that things don't get lasatted by bunkers.
	NETbeginDecode(queue, GAME_LASSAT);
		NETuint8_t(&player);
		NETuint32_t(&id);
		NETuint32_t(&targetid);
		NETuint8_t(&targetplayer);
	NETend();

	psStruct = IdToStruct (id, player);
	psObj	 = IdToPointer(targetid, targetplayer);

	if (psStruct && psObj)
	{
		// Give enemy no quarter, unleash the lasat
		proj_SendProjectile(&psStruct->asWeaps[0], NULL, player, psObj->pos, psObj, true, 0);
		psStruct->asWeaps[0].lastFired = gameTime;

		// Play 5 second countdown message
		audio_QueueTrackPos( ID_SOUND_LAS_SAT_COUNTDOWN, psObj->pos.x, psObj->pos.y, psObj->pos.z);
	}

	return true;
}
// recv lassat info on the receiving end.
BOOL recvLasSat()
{
    BASE_OBJECT	*psObj;
    UBYTE		player,targetplayer;
    STRUCTURE	*psStruct;
    uint32_t	id,targetid;

    NETbeginDecode(NET_LASSAT);
    NETuint8_t(&player);
    NETuint32_t(&id);
    NETuint32_t(&targetid);
    NETuint8_t(&targetplayer);
    NETend();

    psStruct = IdToStruct (id, player);
    psObj	 = IdToPointer(targetid, targetplayer);

    if (psStruct && psObj)
    {
        // Give enemy no quarter, unleash the lasat
        proj_SendProjectile(&psStruct->asWeaps[0], NULL, player, psObj->pos, psObj, true, 0);

        // Play 5 second countdown message
        audio_QueueTrackPos( ID_SOUND_LAS_SAT_COUNTDOWN, psObj->pos.x, psObj->pos.y, psObj->pos.z);
    }

    return true;
}
Example #3
0
// recv lassat info on the receiving end.
BOOL recvLasSat(NETMSG *pMsg)
{
	BASE_OBJECT	*psObj;
	UBYTE		player,targetplayer;
	STRUCTURE	*psStruct;
	UDWORD		id,tid;

	NetGet(pMsg,0,player);
	NetGet(pMsg,1,id);
	NetGet(pMsg,5,tid);
	NetGet(pMsg,9,targetplayer);

	psStruct = IdToStruct (id ,player);
	psObj	 = IdToPointer(tid,targetplayer);

	if(psStruct && psObj)
	{
		proj_SendProjectile(&psStruct->asWeaps[0], NULL, player, psObj->x, 
            psObj->y, psObj->z, psObj, TRUE);
        //play 5 second countdown message
		audio_QueueTrackPos( ID_SOUND_LAS_SAT_COUNTDOWN, psObj->x, psObj->y, 
            psObj->z );
	}

	return TRUE;
}
Example #4
0
// recv lassat info on the receiving end.
bool recvLasSat(NETQUEUE queue)
{
	BASE_OBJECT	*psObj;
	UBYTE		player, targetplayer;
	STRUCTURE	*psStruct;
	uint32_t	id, targetid;

	NETbeginDecode(queue, GAME_LASSAT);
	NETuint8_t(&player);
	NETuint32_t(&id);
	NETuint32_t(&targetid);
	NETuint8_t(&targetplayer);
	NETend();

	psStruct = IdToStruct(id, player);
	psObj	 = IdToPointer(targetid, targetplayer);
	if (psStruct && !canGiveOrdersFor(queue.index, psStruct->player))
	{
		syncDebug("Wrong player.");
		return false;
	}

	if (psStruct && psObj && psStruct->pStructureType->psWeapStat[0]->weaponSubClass == WSC_LAS_SAT)
	{
		// Lassats have just one weapon
		unsigned firePause = weaponFirePause(&asWeaponStats[psStruct->asWeaps[0].nStat], player);
		unsigned damLevel = PERCENT(psStruct->body, structureBody(psStruct));

		if (damLevel < HEAVY_DAMAGE_LEVEL)
		{
			firePause += firePause;
		}

		if (isHumanPlayer(player) && gameTime - psStruct->asWeaps[0].lastFired <= firePause)
		{
			/* Too soon to fire again */
			return true ^ false;  // Return value meaningless and ignored.
		}

		// Give enemy no quarter, unleash the lasat
		proj_SendProjectile(&psStruct->asWeaps[0], NULL, player, psObj->pos, psObj, true, 0);
		psStruct->asWeaps[0].lastFired = gameTime;
		psStruct->asWeaps[0].ammo = 1; // abducting this field for keeping track of triggers

		// Play 5 second countdown message
		audio_QueueTrackPos(ID_SOUND_LAS_SAT_COUNTDOWN, psObj->pos.x, psObj->pos.y, psObj->pos.z);
	}

	return true;
}
Example #5
0
/* Fire a weapon at something */
void combFire(WEAPON *psWeap, BASE_OBJECT *psAttacker, BASE_OBJECT *psTarget, int weapon_slot)
{
	WEAPON_STATS	*psStats;
	UDWORD                  damLevel;
	UDWORD			firePause;
	SDWORD			longRange;
	DROID			*psDroid = NULL;
	int				compIndex;

	CHECK_OBJECT(psAttacker);
	CHECK_OBJECT(psTarget);
	ASSERT(psWeap != NULL, "Invalid weapon pointer");

	/* Watermelon:dont shoot if the weapon_slot of a vtol is empty */
	if (psAttacker->type == OBJ_DROID && isVtolDroid(((DROID *)psAttacker)))
	{
		if (((DROID *)psAttacker)->sMove.iAttackRuns[weapon_slot] >= getNumAttackRuns(((DROID *)psAttacker), weapon_slot))
		{
			objTrace(psAttacker->id, "VTOL slot %d is empty", weapon_slot);
			return;
		}
	}

	/* Get the stats for the weapon */
	compIndex = psWeap->nStat;
	ASSERT_OR_RETURN( , compIndex < numWeaponStats, "Invalid range referenced for numWeaponStats, %d > %d", compIndex, numWeaponStats);
	psStats = asWeaponStats + compIndex;

	// check valid weapon/prop combination
	if (!validTarget(psAttacker, psTarget, weapon_slot))
	{
		return;
	}

	/*see if reload-able weapon and out of ammo*/
	if (psStats->reloadTime && !psWeap->ammo)
	{
		if (gameTime - psWeap->lastFired < weaponReloadTime(psStats, psAttacker->player))
		{
			return;
		}
		//reset the ammo level
		psWeap->ammo = psStats->numRounds;
	}

	/* See when the weapon last fired to control it's rate of fire */
	firePause = weaponFirePause(psStats, psAttacker->player);

	// increase the pause if heavily damaged
	switch (psAttacker->type)
	{
	case OBJ_DROID:
		psDroid = (DROID *)psAttacker;
		damLevel = PERCENT(psDroid->body, psDroid->originalBody);
		break;
	case OBJ_STRUCTURE:
		damLevel = PERCENT(((STRUCTURE *)psAttacker)->body, structureBody((STRUCTURE *)psAttacker));
		break;
	default:
		damLevel = 100;
		break;
	}

	if (damLevel < HEAVY_DAMAGE_LEVEL)
	{
		firePause += firePause;
	}

	if (gameTime - psWeap->lastFired <= firePause)
	{
		/* Too soon to fire again */
		return;
	}

	// add a random delay to the fire
	// With logical updates, a good graphics gard no longer gives a better ROF.
	// TODO Should still replace this with something saner, such as a ±1% random deviation in reload time.
	int fireChance = gameTime - (psWeap->lastFired + firePause);
	if (gameRand(RANDOM_PAUSE) > fireChance)
	{
		return;
	}

	if (psTarget->visible[psAttacker->player] != UBYTE_MAX)
	{
		// Can't see it - can't hit it
		objTrace(psAttacker->id, "combFire(%u[%s]->%u): Object has no indirect sight of target", psAttacker->id, psStats->pName, psTarget->id);
		return;
	}

	/* Check we can see the target */
	if (psAttacker->type == OBJ_DROID && !isVtolDroid((DROID *)psAttacker)
	    && (proj_Direct(psStats) || actionInsideMinRange(psDroid, psTarget, psStats)))
	{
		if(!lineOfFire(psAttacker, psTarget, true))
		{
			// Can't see the target - can't hit it with direct fire
			objTrace(psAttacker->id, "combFire(%u[%s]->%u): Droid has no direct line of sight to target",
			      psAttacker->id, ((DROID *)psAttacker)->aName, psTarget->id);
			return;
		}
	}
	else if ((psAttacker->type == OBJ_STRUCTURE) &&
			 (((STRUCTURE *)psAttacker)->pStructureType->height == 1) &&
			 proj_Direct(psStats))
	{
		// a bunker can't shoot through walls
		if (!lineOfFire(psAttacker, psTarget, true))
		{
			// Can't see the target - can't hit it with direct fire
			objTrace(psAttacker->id, "combFire(%u[%s]->%u): Structure has no direct line of sight to target",
			      psAttacker->id, ((STRUCTURE *)psAttacker)->pStructureType->pName, psTarget->id);
			return;
		}
	}
	else if ( proj_Direct(psStats) )
	{
		// VTOL or tall building
		if (!lineOfFire(psAttacker, psTarget, false))
		{
			// Can't see the target - can't hit it with direct fire
			objTrace(psAttacker->id, "combFire(%u[%s]->%u): Tall object has no direct line of sight to target",
			      psAttacker->id, psStats->pName, psTarget->id);
			return;
		}
	}

	Vector3i deltaPos = psTarget->pos - psAttacker->pos;

	// if the turret doesn't turn, check if the attacker is in alignment with the target
	if (psAttacker->type == OBJ_DROID && !psStats->rotate)
	{
		uint16_t targetDir = iAtan2(removeZ(deltaPos));
		int dirDiff = abs(angleDelta(targetDir - psAttacker->rot.direction));
		if (dirDiff > FIXED_TURRET_DIR)
		{
			return;
		}
	}

	/* Now see if the target is in range  - also check not too near */
	int dist = iHypot(removeZ(deltaPos));
	longRange = proj_GetLongRange(psStats);

	int baseHitChance = 0;
	if ((dist <= psStats->shortRange)  && (dist >= psStats->minRange))
	{
		// get weapon chance to hit in the short range
		baseHitChance = weaponShortHit(psStats,psAttacker->player);
	}
	else if ((dist <= longRange && dist >= psStats->minRange)
	         || (psAttacker->type == OBJ_DROID
	             && !proj_Direct(psStats)
	             && actionInsideMinRange(psDroid, psTarget, psStats)))
	{
		// get weapon chance to hit in the long range
		baseHitChance = weaponLongHit(psStats,psAttacker->player);
	}
	else
	{
		/* Out of range */
		objTrace(psAttacker->id, "combFire(%u[%s]->%u): Out of range", psAttacker->id, psStats->pName, psTarget->id);
		return;
	}

	// apply experience accuracy modifiers to the base
	//hit chance, not to the final hit chance
	int resultHitChance = baseHitChance;

	// add the attacker's experience
	if (psAttacker->type == OBJ_DROID)
	{
		SDWORD	level = getDroidEffectiveLevel((DROID *) psAttacker);

		// increase total accuracy by EXP_ACCURACY_BONUS % for each experience level
		resultHitChance += EXP_ACCURACY_BONUS * level * baseHitChance / 100;
	}

	// subtract the defender's experience
	if (psTarget->type == OBJ_DROID)
	{
		SDWORD	level = getDroidEffectiveLevel((DROID *) psTarget);

		// decrease weapon accuracy by EXP_ACCURACY_BONUS % for each experience level
		resultHitChance -= EXP_ACCURACY_BONUS * level * baseHitChance / 100;

	}

	// fire while moving modifiers
	if (psAttacker->type == OBJ_DROID &&
		((DROID *)psAttacker)->sMove.Status != MOVEINACTIVE)
	{
		switch (psStats->fireOnMove)
		{
		case FOM_NO:
			// Can't fire while moving
			return;
			break;
		case FOM_PARTIAL:
			resultHitChance = FOM_PARTIAL_ACCURACY_PENALTY * resultHitChance / 100;
			break;
		case FOM_YES:
			// can fire while moving
			break;
		}
	}

	/* -------!!! From that point we are sure that we are firing !!!------- */

	/* note when the weapon fired */
	psWeap->lastFired = gameTime;

	/* reduce ammo if salvo */
	if (psStats->reloadTime)
	{
		psWeap->ammo--;
	}

	// increment the shots counter
	psWeap->shotsFired++;

	// predicted X,Y offset per sec
	Vector3i predict = psTarget->pos;

	//Watermelon:Target prediction
	if (isDroid(psTarget))
	{
		DROID *psDroid = castDroid(psTarget);

		int32_t flightTime;
		if (proj_Direct(psStats) || dist <= psStats->minRange)
		{
			flightTime = dist / psStats->flightSpeed;
		}
		else
		{
			int32_t vXY, vZ;  // Unused, we just want the flight time.
			flightTime = projCalcIndirectVelocities(dist, deltaPos.z, psStats->flightSpeed, &vXY, &vZ);
		}

		if (psTarget->lastHitWeapon == WSC_EMP)
		{
			int empTime = EMP_DISABLE_TIME - (gameTime - psTarget->timeLastHit);
			CLIP(empTime, 0, EMP_DISABLE_TIME);
			if (empTime >= EMP_DISABLE_TIME * 9/10)
			{
				flightTime = 0;  /* Just hit.  Assume they'll get hit again */
			}
			else
			{
				flightTime = MAX(0, flightTime - empTime);
			}
		}

		predict += Vector3i(iSinCosR(psDroid->sMove.moveDir, psDroid->sMove.speed*flightTime / GAME_TICKS_PER_SEC), 0);
	}

	/* Fire off the bullet to the miss location. The miss is only visible if the player owns the target. (Why? - Per) */
	// What bVisible really does is to make the projectile audible even if it misses you. Since the target is NULL, proj_SendProjectile can't check if it was fired at you.
	bool bVisibleAnyway = psTarget->player == selectedPlayer;

	// see if we were lucky to hit the target
	bool isHit = gameRand(100) <= resultHitChance;
	if (isHit)
	{
		/* Kerrrbaaang !!!!! a hit */
		objTrace(psAttacker->id, "combFire: [%s]->%u: resultHitChance=%d, visibility=%hhu : ", psStats->pName, psTarget->id, resultHitChance, psTarget->visible[psAttacker->player]);
		syncDebug("hit=(%d,%d,%d)", predict.x, predict.y, predict.z);
	}
	else /* Deal with a missed shot */
	{
		const int minOffset = 5;

		int missDist = 2 * (100 - resultHitChance) + minOffset;
		Vector3i miss = Vector3i(iSinCosR(gameRand(DEG(360)), missDist), 0);
		predict += miss;

		psTarget = NULL;  // Missed the target, so don't expect to hit it.

		objTrace(psAttacker->id, "combFire: Missed shot by (%4d,%4d)", miss.x, miss.y);
		syncDebug("miss=(%d,%d,%d)", predict.x, predict.y, predict.z);
	}

	// Make sure we don't pass any negative or out of bounds numbers to proj_SendProjectile
	CLIP(predict.x, 0, world_coord(mapWidth - 1));
	CLIP(predict.y, 0, world_coord(mapHeight - 1));

	proj_SendProjectile(psWeap, psAttacker, psAttacker->player, predict, psTarget, bVisibleAnyway, weapon_slot);
}