/*
* $Id: autogun.c,v 1.5 2005/08/03 21:40:54 av1-op Exp $
*
* Author: Markus Stenberg <fingon@iki.fi>
*
* Copyright (c) 1996 Markus Stenberg
* Copyright (c) 1998-2002 Thomas Wouters
* Copyright (c) 2000-2002 Cord Awtry
* All rights reserved
*
* Created: Sun Nov 17 13:23:20 1996 fingon
* Last modified: Sun Jun 14 16:29:44 1998 fingon
*
*/
/*
* AI's sensor and targeting system
*
* Gives the AI the ability to choose what to shoot as well as
* what sensor to use when it has found a target
*/
/*! \todo { Add more code to the sensor system so the AI can be
* more aware of its terrain } */
#include "mech.h"
#include "mech.events.h"
#include "autopilot.h"
#include "failures.h"
#include "mech.sensor.h"
#include "p.autogun.h"
#include "p.bsuit.h"
#include "p.glue.h"
#include "p.mech.sensor.h"
#include "p.mech.utils.h"
#include "p.mech.physical.h"
#include "p.mech.combat.h"
#include "p.mech.advanced.h"
#include "p.mech.bth.h"
#if 0
static char *my2string(const char * old)
{
static char new[64];
strncpy(new, old, 63);
new[63] = '\0';
return new;
}
#endif
/* Function to determine if there are any slites affecting the AI */
int SearchLightInRange(MECH *mech, MAP *map) {
MECH *target;
int i;
/* Make sure theres a valid mech or map */
if (!mech || !map)
return 0;
/* Loop through all the units on the map */
for (i = 0; i < map->first_free; i++) {
/* No units on the map */
if (!(target = FindObjectsData(map->mechsOnMap[i])))
continue;
/* The unit doesn't have slite on */
if (!(MechSpecials(target) & SLITE_TECH) || MechCritStatus(mech) & SLITE_DEST)
continue;
/* Is the mech close enough to be affected by the slite */
if (FaMechRange(target, mech) < LITE_RANGE) {
/* Returning true, but let's differentiate also between being in-arc. */
if ((MechStatus(target) & SLITE_ON) &&
InWeaponArc(target, MechFX(mech), MechFY(mech)) & FORWARDARC) {
/* Make sure its in los */
if (!(map->LOSinfo[target->mapnumber][mech->mapnumber] & MECHLOSFLAG_BLOCK))
/* Slite on and, arced, and LoS to you */
return 3;
else
/* Slite on, arced, but LoS blocked */
return 4;
} else if (!MechStatus(target) & SLITE_ON &&
InWeaponArc(target, MechFX(mech), MechFY(mech)) & FORWARDARC) {
if (!(map->LOSinfo[target->mapnumber][mech->mapnumber] & MECHLOSFLAG_BLOCK))
/* Slite off, arced, and LoS to you */
return 5;
else
/* Slite off, arced, and LoS blocked */
return 6;
}
/* Slite is in range of you, but apparently not arced on you.
* Return tells wether on or off */
return (MechStatus(target) & SLITE_ON ? 1 : 2);
}
}
return 0;
}
/* Function to determine if the AI should use V or L sensor */
int PrefVisSens(MECH *mech, MAP *map, int slite, MECH *target) {
/* No map or mech so use default till we get put somewhere */
if (!mech || !map)
return SENSOR_VIS;
/* Ok the AI is lit or using slite so use V */
if (MechStatus(mech) & SLITE_ON || MechCritStatus(mech) & SLITE_LIT)
return SENSOR_VIS;
/* The target is lit so use V */
if (target && MechCritStatus(target) & SLITE_LIT)
return SENSOR_VIS;
/* Ok if its night/dawn/dusk and theres no slite use L */
if (map->maplight <= 1 && slite != 3 && slite != 5)
return SENSOR_LA;
/* Default sensor */
return SENSOR_VIS;
}
/*
* AI event to let the AI decide what sensors to use for a given
* target and situation
*/
/*! \todo {Improve this so it knows more about the terrain} */
void auto_sensor_event(MUXEVENT *muxevent) {
AUTO *autopilot = (AUTO *) muxevent->data;
MECH *mech = (MECH *) autopilot->mymech;
MECH *target = NULL;
MAP *map;
int flag = (int) muxevent->data2;
char buf[16];
int wanted_s[2];
int rvis;
int slite, prefvis;
float trng;
int set = 0;
/* Make sure its a MECH Xcode Object and the AI is
* an AUTOPILOT Xcode Object */
if (!IsMech(mech->mynum) || !IsAuto(autopilot->mynum))
return;
/* Mech is dead so stop trying to shoot things */
if (Destroyed(mech)) {
DoStopGun(autopilot);
return;
}
/* Mech isn't started */
if (!Started(mech)) {
Zombify(autopilot);
return;
}
/* The mech is using user defined sensors so don't try
* and change them */
if (autopilot->flags & AUTOPILOT_LSENS)
return;
/* Get the map */
if(!(map = getMap(mech->mapindex))) {
/* Bad Map */
Zombify(autopilot);
return;
}
/* Get the target if there is one */
if (MechTarget(mech) > 0)
target = getMech(MechTarget(mech));
/* Checks to see if there is slite, and what types of vis
* and which visual sensor (V or L) to use */
slite = (map->mapvis != 2 ? SearchLightInRange(mech, map) : 0);
rvis = (map->maplight ? (map->mapvis) : (map->mapvis * (slite ? 1 : 3)));
prefvis = PrefVisSens(mech, map, slite, target);
/* Is there a target */
if (target) {
/* Range to target */
trng = FaMechRange(mech, target);
/* Actually not gonna bother with this */
/* If the target is running hot and is close switch to IR */
if (!set && HeatFactor(target) > 35 && (int) trng < 15) {
//wanted_s[0] = SENSOR_IR;
//wanted_s[1] = ((MechTons(target) >= 60) ? SENSOR_EM : prefvis);
//set++;
}
/* If the target is BIG and close enough, use EM */
if (!set && MechTons(target) >= 60 && (int) trng <= 20) {
wanted_s[0] = SENSOR_EM;
wanted_s[1] = SENSOR_IR;
set++;
}
/* If the target is flying switch to Radar */
if (!set && !Landed(target) && FlyingT(target)) {
wanted_s[0] = SENSOR_RA;
wanted_s[1] = prefvis;
set++;
}
/* If the target is really close and the unit has BAP, use it */
if (!set && (int) trng <= 4 && MechSpecials(mech) & BEAGLE_PROBE_TECH
&& !(MechCritStatus(mech) & BEAGLE_DESTROYED)) {
wanted_s[0] = SENSOR_BAP;
wanted_s[1] = SENSOR_BAP;
set++;
}
/* If the target is really close and the unit has Bloodhound, use it */
if (!set && (int) trng <= 8 && MechSpecials2(mech) & BLOODHOUND_PROBE_TECH
&& !(MechCritStatus(mech) & BLOODHOUND_DESTROYED)) {
wanted_s[0] = SENSOR_BHAP;
wanted_s[1] = SENSOR_BHAP;
set++;
}
/* Didn't stop at any of the others so use selected visual sensors */
if (!set) {
wanted_s[0] = prefvis;
wanted_s[1] = (rvis <= 15 ? SENSOR_EM : prefvis);
set++;
}
}
/* Ok no target and no sensors set yet so lets go for defaults */
if (!set) {
if (rvis <= 15) {
/* Vis is less then or equal to 15 so go to E I for longer range */
wanted_s[0] = SENSOR_EM;
wanted_s[1] = SENSOR_IR;
} else {
/* Ok lets go with default visual sensors */
wanted_s[0] = prefvis;
wanted_s[1] = prefvis;
}
}
/* Check to make sure valid sensors are selected and then set them */
if (wanted_s[0] >= SENSOR_VIS && wanted_s[0] <= SENSOR_BHAP &&
wanted_s[1] >= SENSOR_VIS && wanted_s[1] <= SENSOR_BHAP &&
(MechSensor(mech)[0] != wanted_s[0] || MechSensor(mech)[1] != wanted_s[1])) {
wanted_s[0] = BOUNDED(SENSOR_VIS, wanted_s[0], SENSOR_BHAP);
wanted_s[1] = BOUNDED(SENSOR_VIS, wanted_s[1], SENSOR_BHAP);
memset(buf, '\0', sizeof(char) * 16);
sprintf(buf, "%c %c",
sensors[wanted_s[0]].matchletter[0],
sensors[wanted_s[1]].matchletter[0]);
mech_sensor(autopilot->mynum, mech, buf);
}
if (!flag)
AUTOEVENT(autopilot, EVENT_AUTO_SENSOR, auto_sensor_event, AUTO_SENSOR_TICK, 0);
}
/*
* Create a weapon_list node
*/
weapon_node *auto_create_weapon_node(short weapon_number, short weapon_db_number,
short section, short critical) {
weapon_node *temp;
temp = malloc(sizeof(weapon_node));
if (temp == NULL) {
return NULL;
}
memset(temp, 0, sizeof(weapon_node));
temp->weapon_number = weapon_number;
temp->weapon_db_number = weapon_db_number;
temp->section = section;
temp->critical = critical;
return temp;
}
/*
* Destroy weapon node
*/
void auto_destroy_weapon_node(weapon_node *victim) {
free(victim);
return;
}
/*
* Create a target node for the target list
*/
target_node *auto_create_target_node(int target_score, dbref target_dbref) {
target_node *temp;
temp = malloc(sizeof(target_node));
if (temp == NULL) {
return NULL;
}
memset(temp, 0, sizeof(target_node));
temp->target_score = target_score;
temp->target_dbref = target_dbref;
return temp;
}
/*
* Destroy a target node
*/
void auto_destroy_target_node(target_node *victim) {
free(victim);
return;
}
/*
* Destroy autopilot's weaplist
*/
void auto_destroy_weaplist(AUTO *autopilot) {
weapon_node *temp_weapon_node;
/* Check to make sure there is a weapon list */
if (!(autopilot->weaplist))
return;
/* There is a weapon list - lets kill it */
if (dllist_size(autopilot->weaplist) > 0) {
while (dllist_size(autopilot->weaplist)) {
temp_weapon_node = (weapon_node *) dllist_remove_node_at_pos(autopilot->weaplist, 1);
auto_destroy_weapon_node(temp_weapon_node);
}
}
/* Finally destroying the list */
dllist_destroy_list(autopilot->weaplist);
autopilot->weaplist = NULL;
}
/*
* Callback function to destroy target list
*/
static int auto_targets_callback(void *key, void *data, int depth, void *arg) {
target_node *temp;
temp = (target_node *) data;
auto_destroy_target_node(temp);
return 1;
}
/*
* rbtree generic compare function
*/
static int auto_generic_compare(void *a, void *b, void *token) {
int *one, *two;
one = (int *) a;
two = (int *) b;
return (*one - *two);
}
/*
* How we score a given weapon based on range, heat and damage
*/
int auto_calc_weapon_score(int weapon_db_number, int range) {
int weapon_score;
int range_score;
int damage_score;
int heat_score;
int minrange_score;
int weapon_damage;
int weapon_heat;
int i;
/* Simple Calc */
/* For the modifiers I assumed best was approx 550
*
* So for SR, chance of hitting is roughly 92% which is 506 rounded to 500
* For MR, its 72%, so 390 and LR its 41% its 225 */
/* Assume default values */
weapon_score = 0;
weapon_damage = 0;
range_score = 500; /* Since by default we assume its SR */
damage_score = 0;
heat_score = 0;
minrange_score = 0;
/* Don't bother trying to set a value if its outside its range */
if (range >= MechWeapons[weapon_db_number].longrange) {
return weapon_score;
}
/* Are we at LR ? */
if (range >= MechWeapons[weapon_db_number].medrange) {
range_score = 215;
}
/* Are we at MR ? */
if (range >= MechWeapons[weapon_db_number].shortrange &&
range < MechWeapons[weapon_db_number].medrange) {
range_score = 390;
}
/* Check min range */
/* Use a polynomial equation here because at 2 under min its equiv to MR, at
* 4 under its equiv to LR, so we want it to balance out the range score */
/* score = -12.5(min - range)^2 - 25 * (min - range) */
if (range < MechWeapons[weapon_db_number].min) {
minrange_score = -12.5 * (float) ((MechWeapons[weapon_db_number].min - range) *
(MechWeapons[weapon_db_number].min - range)) - 25.0 *
(float) (MechWeapons[weapon_db_number].min - range);
}
/* Get the damage for the weapon */
if (IsMissile(weapon_db_number)) {
/* Its a missile weapon so lookup in the Missile table get the max
* number of missiles it can hit with, and multiply by the damage
* per missile */
/* To make it more fair going to use the avg # of missile hits
* which is when they would roll a 7, which becomes slot #
* 5 */
for (i = 0; MissileHitTable[i].key != -1; i++) {
if (MissileHitTable[i].key == weapon_db_number) {
weapon_damage = MissileHitTable[i].num_missiles[5] *
MechWeapons[weapon_db_number].damage;
break;
}
}
} else {
weapon_damage = MechWeapons[weapon_db_number].damage;
}
/* Get the damage score */
/* Straight linear plot */
damage_score = 50 * weapon_damage;
/* Get the heat */
weapon_heat = MechWeapons[weapon_db_number].heat;
/* Get the heat score */
/* Straight inverse linear plot - more heat bad... */
heat_score = -25 * weapon_heat + 250;
/* Final calc */
weapon_score = range_score + damage_score + heat_score + minrange_score;
return weapon_score;
}
/*
* AI profiling event
*
* Every so often updates the profile for the AI's weapons
*/
void auto_update_profile_event(MUXEVENT *muxevent) {
AUTO *autopilot = (AUTO *) muxevent->data;
MECH *mech = (MECH *) autopilot->mymech;
weapon_node *temp_weapon_node;
dllist_node *temp_dllist_node;
int section;
int weapon_count_section;
unsigned char weaparray[MAX_WEAPS_SECTION];
unsigned char weapdata[MAX_WEAPS_SECTION];
int critical[MAX_WEAPS_SECTION];
int range;
int weapon_count;
int weapon_number;
/* Basic checks */
if (!IsMech(mech->mynum) || !IsAuto(autopilot->mynum))
return;
/* Ok our mech is dead we're done */
if (Destroyed(mech)) {
return;
}
/* Log Message */
print_autogun_log(autopilot, "Profiling Unit #%d", mech->mynum);
/* Destroy the arrays first, don't worry about the weap
* structures because we can clear them with the ddlist
* weaplist */
/* Zero the array of rbtree stuff */
for (range = 0; range < AUTO_PROFILE_MAX_SIZE; range++) {
if (autopilot->profile[range]) {
/* Destroy rbtree */
rb_destroy(autopilot->profile[range]);
}
autopilot->profile[range] = NULL;
}
/* Check to see if the weaplist exists */
if (autopilot->weaplist != NULL) {
/* Destroy the list */
auto_destroy_weaplist(autopilot);
}
/* List doesn't exist so lets build it */
autopilot->weaplist = dllist_create_list();
/* Reset the AI's max range value for its mech */
autopilot->mech_max_range = 0;
/* Set our counter */
weapon_count = -1;
/* Now loop through the weapons building a list */
for (section = 0; section < NUM_SECTIONS; section++) {
/* Find all the weapons for a given section */
weapon_count_section = FindWeapons(mech, section,
weaparray, weapdata, critical);
/* No weapons here */
if (weapon_count_section <= 0)
continue;
/* loop through the possible weapons */
for (weapon_number = 0; weapon_number < weapon_count_section; weapon_number++) {
/* Count it even if its not a valid weapon like AMS */
/* This is so when we go to fire the weapon we know
* which one to send in the command */
weapon_count++;
if (IsAMS(weaparray[weapon_number]))
continue;
/* Does it work? */
if (WeaponIsNonfunctional(mech, section, critical[weapon_number],
GetWeaponCrits(mech, Weapon2I(weaparray[weapon_number]))) > 0)
continue;
/* Ok made it this far, lets add it to our list */
temp_weapon_node = auto_create_weapon_node(weapon_count,
weaparray[weapon_number], section, critical[weapon_number]);
temp_dllist_node = dllist_create_node(temp_weapon_node);
dllist_insert_end(autopilot->weaplist, temp_dllist_node);
/* Check the max range */
if (autopilot->mech_max_range <
MechWeapons[weaparray[weapon_number]].longrange) {
autopilot->mech_max_range = MechWeapons[weaparray[weapon_number]].longrange;
}
}
}
/* Now build the profile array, basicly loop through
* all the current avail weapons, get its max range,
* then loop through ranges and for each range add it
* to profile */
/* Our counter */
weapon_number = 1;
while (weapon_number <= dllist_size(autopilot->weaplist)) {
/* Get the weapon */
temp_weapon_node = (weapon_node *) dllist_get_node(autopilot->weaplist, weapon_number);
for (range = 0; range <
MechWeapons[temp_weapon_node->weapon_db_number].longrange; range++) {
/* Out side the the range of AI's profile system */
if (range >= AUTO_PROFILE_MAX_SIZE) {
break;
}
/* Score the weapon */
temp_weapon_node->range_scores[range] =
auto_calc_weapon_score(temp_weapon_node->weapon_db_number, range);
/* If rbtree for this range doesn't exist, create it */
if (autopilot->profile[range] == NULL) {
autopilot->profile[range] =
rb_init(&auto_generic_compare, NULL);
}
/* Check to see if the score exists in the tree
* if so alter it slightly so we don't have
* overlaping keys */
while (1) {
if (rb_exists(autopilot->profile[range],
&temp_weapon_node->range_scores[range])) {
temp_weapon_node->range_scores[range]++;
} else {
break;
}
}
/* Add it to tree */
rb_insert(autopilot->profile[range], &temp_weapon_node->range_scores[range],
temp_weapon_node);
}
/* Increment */
weapon_number++;
}
/* Is this loop running somewhere else */
if (muxevent_count_type_data(EVENT_AUTO_PROFILE, (void *) autopilot)) {
muxevent_remove_type_data(EVENT_AUTO_PROFILE, (void *) autopilot);
}
/* Run this loop some time later incase we suffer damage */
AUTOEVENT(autopilot, EVENT_AUTO_PROFILE,
auto_update_profile_event, AUTO_PROFILE_TICK, 0);
/* Log Message */
print_autogun_log(autopilot, "Finished Profiling");
}
/*
* Function to calculate a score based on a target and
* its range to the AI
*/
int auto_calc_target_score(AUTO *autopilot, MECH *target) {
MECH *mech = (MECH *) autopilot->mymech;
int target_score;
float range;
float target_speed;
int target_bv;
int total_armor_current;
int total_armor_original;
int total_internal_current;
int total_internal_original;
int section;
int damage_score;
int bv_score;
int speed_score;
int range_score;
int status_score;
/* Default Values */
target_score = 0;
total_armor_current = 0;
total_armor_original = 0;
total_internal_current = 0;
total_internal_original = 0;
damage_score = 0;
bv_score = 0;
speed_score = 0;
range_score = 0;
status_score = 0;
/* Here is the meat of the function, basicly I gave each
* part a maximum score, then fit a linear plot from the
* max to a min value and score. Then I just summed
* all the pieces together, very linear but should
* give us a good starting point */
/* Is the target dead? */
if (Destroyed(target))
return target_score;
/* If target is combat safe don't even try to shoot it */
if (MechStatus(target) & COMBAT_SAFE)
return target_score;
/* Compare Teams - for now we won't try to shoot a guy on our team */
if (MechTeam(target) == MechTeam(mech))
return target_score;
/* Are we in los of the target - not sure really what to do about this
* one, since we want the AI to be smart and all, for now, lets have
* it be all seeing */
/* Range to target */
range = FindHexRange(MechFX(mech), MechFY(mech), MechFX(target),
MechFY(target));
/* Our we outside the range of the AI's System */
if ((range >= (float) AUTO_GUN_MAX_RANGE)) {
return target_score;
}
/* Range score calc */
/* Min range is 0, max range is 30, so score goes from 300 to 0 */
range_score = - 10 * range + 300;
/* Get the Speed of the target */
target_speed = MechSpeed(target);
/* Speed score calc */
/* Min speed is 0, max is 150 (can go higher tho), and score goes from
* 300 to 0 (can go negative if the target is faster then 150) */
speed_score = - 2 * target_speed + 300;
/* Get the BV of the target */
target_bv = MechBV(target);
/* BV score calc */
/* Min bv is 0, max is around 2000 (can go higher), and score goes from
* 0 to 100 (can go higher but we don't care much about bv) */
bv_score = 0.05 * target_bv;
/* Get the damage of the target by cycling through all the sections
* and adding up the current and original values */
for (section = 0; section < NUM_SECTIONS; section++) {
/* Total the current armor and original armor */
total_armor_current += GetSectArmor(target, section) +
GetSectRArmor(target, section);
total_armor_original += GetSectOArmor(target, section) +
GetSectORArmor(target, section);
/* Total the current internal and original internal */
total_internal_current += GetSectInt(target, section);
total_internal_original += GetSectOInt(target, section);
}
/* Ok like above, we set a min and max, for armor was 100% to 0%
* and scored from 0 to 300. For internal was 100% to 0% and
* scored from 0 to 200. But we have to take care not to divide
* by zero. */
/* Check the totals before we divide so no Divide by zeros */
if (total_internal_original == 0 &&
total_armor_original == 0) {
/* Both values are zero, not going to try and shoot it */
return target_score;
} else if (total_internal_original == 0) {
/* Just use armor part of the calc */
damage_score = - 3 * ((float) total_armor_current /
(float) total_armor_original) + 300;
} else if (total_armor_original == 0) {
/* Just use internal part of the calc */
damage_score = - 2 * ((float) total_internal_current /
(float) total_internal_original) + 200;
} else {
/* Use the whole thing */
damage_score = - 3 * ((float) total_armor_current /
(float) total_armor_original) + 300
- 2 * ((float) total_internal_current /
(float) total_internal_original) + 200;
}
/* Get the 'state' ie: shutdown, prone whatever */
if (!Started(target))
status_score += 100;
if (Uncon(target))
status_score += 100;
/* Add the individual scores and return the value */
target_score = range_score + speed_score + bv_score +
damage_score + status_score;
return target_score;
}
/*
* The main targeting/firing event for the AI
*
* Loops through all the cons around it, scoring them and deciding
* what to shoot and what weapons to shoot at it
*/
void auto_gun_event(MUXEVENT *muxevent) {
AUTO *autopilot = (AUTO *) muxevent->data; /* The autopilot */
MECH *mech = (MECH *) autopilot->mymech; /* Its Mech */
MAP *map; /* The current Map */
MECH *target; /* Our current target */
MECH *physical_target; /* Our physical target */
rbtree *targets; /* all the targets we're looking at */
target_node *temp_target_node; /* temp target node struct */
weapon_node *temp_weapon_node; /* temp weapon node struct */
char buffer[LBUF_SIZE]; /* General use buffer */
int target_score; /* variable to store temp score */
int threshold_score; /* The score to beat to switch targets */
/* Stuff for Physical attacks */
int elevation_diff; /* Whats the elevation difference between
the target and the mech */
int what_arc; /* What arc is the target in */
int new_arc; /* What arc now that we've twisted
our torso */
int relative_bearing; /* Int to figure out which part of
the rear arc hes in */
int is_section_destroyed[4]; /* Array of the different possible
sections that could be destroyed */
int section_hasbusyweap[4]; /* Array to show if a section has a
cycling weapon in it */
int rleg_bth, lleg_bth; /* To help us decide which leg to kick
with */
int is_rarm_ready, is_larm_ready; /* To help us decide which arms to
punch with */
/* Stuff for Weapon Attacks */
int accumulate_heat; /* How much heat we're building up */
int i, j;
float range; /* General variable for range */
float maxspeed; /* So we know how fast our guy is going */
/* For use with chase targ */
short x, y;
float fx, fy;
char do_chasetarget; /* Flag should we do chasetarget
based on certain conditions */
/* Basic checks */
if (!mech || !autopilot)
return;
if (!IsMech(mech->mynum) || !IsAuto(autopilot->mynum))
return;
/* Ok our mech is dead we're done */
if (Destroyed(mech)) {
DoStopGun(autopilot);
return;
}
/*! \todo {Need to change this incase the AI shuts down while fighting} */
if (!Started(mech)) {
Zombify(autopilot);
return;
}
/* Not on map - so lets calm down */
if (!(map = getMap(mech->mapindex))) {
Zombify(autopilot);
return;
}
/* Log it */
print_autogun_log(autopilot, "Autogun Event Started");
/* Check the profile - if it doesn't exist, calc it, then re-run autogun */
if (autopilot->weaplist == NULL) {
AUTOEVENT(autopilot, EVENT_AUTO_PROFILE, auto_update_profile_event, 1, 0);
/* Make sure multiple instances of autogun aren't running */
if (muxevent_count_type_data(EVENT_AUTOGUN, (void *) autopilot)) {
muxevent_remove_type_data(EVENT_AUTOGUN, (void *) autopilot);
}
AUTOEVENT(autopilot, EVENT_AUTOGUN, auto_gun_event, AUTO_GUN_TICK, 0);
/* Log It */
print_autogun_log(autopilot, "Autogun Event Finished");
return;
}
/* OODing so don't shoot any guns */
if (OODing(mech)) {
/* Make sure multiple instances of autogun aren't running */
if (muxevent_count_type_data(EVENT_AUTOGUN, (void *) autopilot)) {
muxevent_remove_type_data(EVENT_AUTOGUN, (void *) autopilot);
}
AUTOEVENT(autopilot, EVENT_AUTOGUN, auto_gun_event, AUTO_GUN_TICK, 0);
/* Log It */
print_autogun_log(autopilot, "Autogun Event Finished");
return;
}
/* First check to make sure we have a valid current target */
if (autopilot->target > -1) {
if (!(target = getMech(autopilot->target))) {
/* ok its not a valid target reset */
autopilot->target = -1;
autopilot->target_score = 0;
} else if (Destroyed(target) || (target->mapindex != mech->mapindex)) {
/* Target is either dead or not on the map anymore */
autopilot->target = -1;
autopilot->target_score = 0;
} else {
/* Will keep on an assigned target even if its to far
* away */
/* Get range from mech to current target */
range = FindHexRange(MechFX(mech), MechFY(mech),
MechFX(target), MechFY(target));
if ((range >= (float) AUTO_GUN_MAX_RANGE) &&
!AssignedTarget(autopilot)) {
/* Target is to far away */
autopilot->target = -1;
autopilot->target_score = 0;
}
}
}
/* Were we given a target and its no longer there? */
if (AssignedTarget(autopilot) && autopilot->target == -1) {
/* Ok we had an assigned target but its gone now */
UnassignTarget(autopilot);
/*! \todo {Possibly add a radio message saying target destroyed} */
}
/* Do we need to look for a new target */
if (autopilot->target == -1 || (autopilot->target_update_tick >= 30 &&
!AssignedTarget(autopilot))) {
/* Ok looking for a new target */
/* Log It */
print_autogun_log(autopilot, "Autogun - Looking for new target");
/* Reset the update ticker */
autopilot->target_update_tick = 0;
/* Setup the rbtree */
targets = rb_init(&auto_generic_compare, NULL);
/* Cycle through possible targets and pick something to shoot */
for (i = 0; i < map->first_free; i++) {
/* Make sure its on the right map */
if (i != mech->mapnumber && (j = map->mechsOnMap[i]) > 0) {
/* Is it a valid unit ? */
if (!(target = getMech(j)))
continue;
/* Score the target */
target_score = auto_calc_target_score(autopilot, target);
/* Log It */
print_autogun_log(autopilot, "Autogun - Possible target #%d with score %d",
target->mynum, target_score);
/* If target has a score add it to rbtree */
if (target_score > 0) {
/* Create target node and fill with proper values */
temp_target_node = auto_create_target_node(target_score,
target->mynum);
/*! \todo {should add check incase it returns a NULL struct} */
/* Add it to list but first make sure it doesn't overlap
* with a current score */
while (1) {
if (rb_exists(targets, &temp_target_node->target_score)) {
temp_target_node->target_score++;
} else {
break;
}
}
/* Add it */
rb_insert(targets, &temp_target_node->target_score,
temp_target_node);
}
/* Check to see if its our current target */
if (autopilot->target == target->mynum) {
/* Save the new score */
autopilot->target_score = target_score;
}
}
} /* End of for loop */
/* Check to see if we couldn't find ANY targets within range,
* if not, cycle autogun and set the update tick to 20, so we
* check again in 10 seconds */
if (!(rb_size(targets) > 0)) {
/* Have the AI look for a new target 10 seconds from now */
/*! \todo {Possibly change this since this gives an attacker who
* appears somehow very quickly 10 seconds to hose the AI} */
autopilot->target = -1;
autopilot->target_score = 0;
autopilot->target_update_tick = 0;
/* Don't need the target list any more so lets destroy it */
rb_walk(targets, WALK_INORDER, &auto_targets_callback, NULL);
rb_destroy(targets);
/* Make sure multiple instances of autogun aren't running */
if (muxevent_count_type_data(EVENT_AUTOGUN, (void *) autopilot)) {
muxevent_remove_type_data(EVENT_AUTOGUN, (void *) autopilot);
}
AUTOEVENT(autopilot, EVENT_AUTOGUN, auto_gun_event, 10, 0);
/* Log It */
print_autogun_log(autopilot, "Autogun in idle mode");
print_autogun_log(autopilot, "Autogun Event Finished");
return;
}
/* Now if we have a current target, compare it to best target from
* the new list. If better then threshold, lock new target, else
* stay on target */
/* Best target */
temp_target_node = (target_node *) rb_search(targets, SEARCH_LAST, NULL);
/* Log It */
print_autogun_log(autopilot, "Autogun - Best target #%d with score %d",
temp_target_node->target_dbref, temp_target_node->target_score);
print_autogun_log(autopilot, "Autogun - Current target #%d with score %d",
autopilot->target, autopilot->target_score);
if (autopilot->target > -1 && autopilot->target_score > 0) {
/* Check to see if its our current target */
if (autopilot->target != temp_target_node->target_dbref) {
/* Calc the threshold score to beat */
threshold_score = ((100.0 + (float) autopilot->target_threshold) / 100.0) *
autopilot->target_score;
if (temp_target_node->target_score > threshold_score) {
/* Change targets */
autopilot->target = temp_target_node->target_dbref;
autopilot->target_score = temp_target_node->target_score;
print_autogun_log(autopilot, "Switching Target to #%d",
autopilot->target);
}
/* Else: Don't switch targets */
}
/* Else: Don't need to swtich targets */
} else {
/* Don't have a good current target so lock this one */
autopilot->target = temp_target_node->target_dbref;
autopilot->target_score = temp_target_node->target_score;
} /* End of choosing new target */
/* Don't need the target list any more so lets destroy it */
rb_walk(targets, WALK_INORDER, &auto_targets_callback, NULL);
rb_destroy(targets);
} else {
/* Ok didn't need to look for a new target so update the ticker */
autopilot->target_update_tick++;
}
/* End of picking a new target */
/* Log It */
print_autogun_log(autopilot, "Autogun - Current target #%d with score %d",
autopilot->target, autopilot->target_score);
/* Setup the current target */
if (!(target = getMech(autopilot->target))) {
/* There were no valid targets so
* rerun autogun */
/* Reset the AI */
autopilot->target = -1;
autopilot->target_score = 0;
/* Make sure multiple instances of autogun aren't running */
if (muxevent_count_type_data(EVENT_AUTOGUN, (void *) autopilot)) {
muxevent_remove_type_data(EVENT_AUTOGUN, (void *) autopilot);
}
AUTOEVENT(autopilot, EVENT_AUTOGUN, auto_gun_event, AUTO_GUN_TICK, 0);
/* Log It */
print_autogun_log(autopilot, "Autogun - No valid current targets");
print_autogun_log(autopilot, "Autogun Event Finished");
return;
}
/* Check to see if we need to (re)lock our target */
if (MechTarget(mech) != autopilot->target) {
/* Lock Him */
snprintf(buffer, LBUF_SIZE, "%c%c", MechID(target)[0], MechID(target)[1]);
mech_settarget(autopilot->mynum, mech, buffer);
/* Log It */
print_autogun_log(autopilot, "Autogun - Locking target #%d",
autopilot->target);
}
/* Update autosensor */
/* Now lets get physical */
/* Log It */
print_autogun_log(autopilot, "Autogun - Start Physical Attack Stage");
/* Get range from mech to current target */
range = FindHexRange(MechFX(mech), MechFY(mech), MechFX(target), MechFY(target));
/* First check our range to our target, if within range attack it, else
* check to see if its outside our range threshold and if so pick a target
* close and attack that */
/*! \todo {Might need to add in here something incase the target is a bsuit} */
if (range < 1.0) {
/* We're beating on our main target */
physical_target = target;
} else if (range > AUTO_GUN_PHYSICAL_RANGE_MIN) {
/* Try and find a target */
physical_target = NULL;
/* Cycle through possible targets and pick something to beat on */
for (i = 0; i < map->first_free; i++) {
/* Make sure its on the right map */
if (i != mech->mapnumber && (j = map->mechsOnMap[i]) > 0) {
/* Is it a valid unit ? */
if (!(target = getMech(j)))
continue;
if (Destroyed(target))
continue;
if (MechStatus(target) & COMBAT_SAFE)
continue;
if (MechTeam(target) == MechTeam(mech))
continue;
/* Check its range */
range = FindHexRange(MechFX(mech), MechFY(mech),
MechFX(target), MechFY(target));
/* Just go for first one , can always add scoring later */
if (range < 1.0) {
physical_target = target;
break;
}
}
}
} else {
/* Our target is close so dont try and physically attack anyone */
physical_target = NULL;
}
/* Now nail it with a physical attack but only if we see it */
if (physical_target &&
(MechToMech_LOSFlag(map, mech, physical_target) & MECHLOSFLAG_SEEN)) {
/* Log It */
print_autogun_log(autopilot, "Autogun - Attempting physical attack against"
" target #%d", physical_target->mynum);
/* Calculate elevation difference */
elevation_diff = MechZ(mech) - MechZ(target);
/* Are we a biped Mech */
if ((MechType(mech) == CLASS_MECH) &&
(MechMove(mech) == MOVE_BIPED)) {
/* Center the torso */
MechStatus(mech) &= ~(TORSO_RIGHT | TORSO_LEFT);
if (MechSpecials(mech) & FLIPABLE_ARMS) {
/* Center the arms if need be */
MechStatus(mech) &= ~(FLIPPED_ARMS);
}
/* Find direction of bad guy */
what_arc = InWeaponArc(mech, MechFX(physical_target), MechFY(physical_target));
/* Rotate if we need to */
if (what_arc & LSIDEARC) {
/* Rotate Left */
MechStatus(mech) |= TORSO_LEFT;
} else if (what_arc & RSIDEARC) {
/* Rotate Right */
MechStatus(mech) |= TORSO_RIGHT;
} else if (what_arc & REARARC) {
/* Find out if it would be better to
* rotate left or right */
relative_bearing = MechFacing(mech) - FindBearing(MechFX(mech),
MechFY(mech), MechFX(physical_target), MechFY(physical_target));
if (relative_bearing > 120 && relative_bearing < 180) {
/* Rotate Right */
MechStatus(mech) |= TORSO_RIGHT;
} else if (relative_bearing > 180 && relative_bearing < 240) {
/* Rotate Left */
MechStatus(mech) |= TORSO_LEFT;
}
/* ELSE: Hes directly behind us so we can't do anything */
}
/* Calculate the new arc */
new_arc = InWeaponArc(mech, MechFX(physical_target), MechFY(physical_target));
/* Check to see what sections are destroyed */
memset(is_section_destroyed, 0, sizeof(is_section_destroyed));
is_section_destroyed[0] = SectIsDestroyed(mech, RARM);
is_section_destroyed[1] = SectIsDestroyed(mech, LARM);
is_section_destroyed[2] = SectIsDestroyed(mech, RLEG);
is_section_destroyed[3] = SectIsDestroyed(mech, LLEG);
/* Check to see if the sections have a busy weapon */
memset(section_hasbusyweap, 0, sizeof(section_hasbusyweap));
section_hasbusyweap[0] = SectHasBusyWeap(mech, RARM);
section_hasbusyweap[1] = SectHasBusyWeap(mech, LARM);
section_hasbusyweap[2] = SectHasBusyWeap(mech, RLEG);
section_hasbusyweap[3] = SectHasBusyWeap(mech, LLEG);
/* Try weapon physical attacks */
/* Right Arm */
if (!is_section_destroyed[0] && !section_hasbusyweap[0] &&
!AnyLimbsRecycling(mech) && ((new_arc & FORWARDARC) ||
(new_arc & RSIDEARC)) &&
(elevation_diff == 0 || elevation_diff == -1)) {
snprintf(buffer, LBUF_SIZE, "r %c%c",
MechID(target)[0], MechID(target)[1]);
if (have_axe(mech, RARM))
mech_axe(autopilot->mynum, mech, buffer);
/* else if (have_mace(mech, RARM)) */
/*! \todo {Add in mace code here} */
else if (have_sword(mech, RARM))
mech_sword(autopilot->mynum, mech, buffer);
}
/* Left Arm */
if (!is_section_destroyed[1] && !section_hasbusyweap[1] &&
!AnyLimbsRecycling(mech) && ((new_arc & FORWARDARC) ||
(new_arc & LSIDEARC)) &&
(elevation_diff == 0 || elevation_diff == -1)) {
snprintf(buffer, LBUF_SIZE, "l %c%c",
MechID(target)[0], MechID(target)[1]);
if (have_axe(mech, LARM))
mech_axe(autopilot->mynum, mech, buffer);
/* else if (have_mace(mech, RARM)) */
/*! \todo {Add in mace code here} */
else if (have_sword(mech, LARM))
mech_sword(autopilot->mynum, mech, buffer);
}
/* Try and kick but only if we got two legs, one of them
* doesn't have a cycling weapon and the target is in the
* front arc */
if ((!section_hasbusyweap[2] || !section_hasbusyweap[3]) &&
!is_section_destroyed[2] && !is_section_destroyed[3] &&
(what_arc & FORWARDARC) && !AnyLimbsRecycling(mech) &&
(elevation_diff == 0 || elevation_diff == 1)) {
rleg_bth = 0;
lleg_bth = 0;
/* Check the RLEG for any crits or weaps cycling */
if (!section_hasbusyweap[2]) {
if (!OkayCritSectS(RLEG, 0, SHOULDER_OR_HIP))
rleg_bth += 3;
if (!OkayCritSectS(RLEG, 1, UPPER_ACTUATOR))
rleg_bth++;
if (!OkayCritSectS(RLEG, 2, LOWER_ACTUATOR))
rleg_bth++;
if (!OkayCritSectS(RLEG, 3, HAND_OR_FOOT_ACTUATOR))
rleg_bth++;
} else {
rleg_bth = 99;
}
/* Check the LLEG for any crits or weaps cycling */
if (!section_hasbusyweap[3]) {
if (!OkayCritSectS(LLEG, 0, SHOULDER_OR_HIP))
lleg_bth += 3;
if (!OkayCritSectS(LLEG, 1, UPPER_ACTUATOR))
lleg_bth++;
if (!OkayCritSectS(LLEG, 2, LOWER_ACTUATOR))
lleg_bth++;
if (!OkayCritSectS(LLEG, 3, HAND_OR_FOOT_ACTUATOR))
lleg_bth++;
} else {
rleg_bth = 99;
}
/* Now kick depending on which one would be better
* to kick with */
if (rleg_bth <= lleg_bth) {
snprintf(buffer, LBUF_SIZE, "r %c%c", MechID(physical_target)[0],
MechID(physical_target)[1]);
} else {
snprintf(buffer, LBUF_SIZE, "l %c%c", MechID(physical_target)[0],
MechID(physical_target)[1]);
}
mech_kick(autopilot->mynum, mech, buffer);
}
/* Finally try to punch */
if (((!is_section_destroyed[0] && !section_hasbusyweap[0]) ||
(!is_section_destroyed[1] && !section_hasbusyweap[1]))
&& !AnyLimbsRecycling(mech) &&
(elevation_diff == 0 || elevation_diff == -1)) {
is_rarm_ready = 0;
is_larm_ready = 0;
if (!is_section_destroyed[0] &&
!section_hasbusyweap[0] &&
((new_arc & FORWARDARC) ||
(new_arc & RSIDEARC))) {
/* We can use the right arm */
is_rarm_ready = 1;
}
if (!is_section_destroyed[1] &&
!section_hasbusyweap[1] &&
((new_arc & FORWARDARC) ||
(new_arc & LSIDEARC))) {
/* We can use the left arm */
is_larm_ready = 1;
}
if (is_rarm_ready == 1 && is_larm_ready == 1) {
snprintf(buffer, LBUF_SIZE, "b %c%c",
MechID(target)[0], MechID(target)[1]);
} else if (is_rarm_ready == 1) {
snprintf(buffer, LBUF_SIZE, "r %c%c",
MechID(target)[0], MechID(target)[1]);
} else {
snprintf(buffer, LBUF_SIZE, "l %c%c",
MechID(target)[0], MechID(target)[1]);
}
/* Now punch */
mech_punch(autopilot->mynum, mech, buffer);
}
} else if ((MechType(mech) == CLASS_MECH) &&
(MechMove(mech) == MOVE_QUAD)) {
/* Quad Mech - Right now only supporting kicking front style for quad */
/* Remember, the RARM becomes the Front RLEG and the LARM becomes the
* Front LLEG */
/* Find direction of bad guy */
what_arc = InWeaponArc(mech, MechFX(physical_target), MechFY(physical_target));
/* Check to see what sections are destroyed */
memset(is_section_destroyed, 0, sizeof(is_section_destroyed));
is_section_destroyed[0] = SectIsDestroyed(mech, RARM);
is_section_destroyed[1] = SectIsDestroyed(mech, LARM);
is_section_destroyed[2] = SectIsDestroyed(mech, RLEG);
is_section_destroyed[3] = SectIsDestroyed(mech, LLEG);
/* Check to see if the sections have a busy weapon */
memset(section_hasbusyweap, 0, sizeof(section_hasbusyweap));
section_hasbusyweap[0] = SectHasBusyWeap(mech, RARM);
section_hasbusyweap[1] = SectHasBusyWeap(mech, LARM);
//section_hasbusyweap[2] = SectHasBusyWeap(mech, RLEG);
//section_hasbusyweap[3] = SectHasBusyWeap(mech, LLEG);
/* Try and kick but only if we got two legs, one of them
* doesn't have a cycling weapon and the target is in the
* front arc */
if ((!section_hasbusyweap[0] || !section_hasbusyweap[0]) &&
!is_section_destroyed[0] && !is_section_destroyed[1] &&
!is_section_destroyed[2] && !is_section_destroyed[3] &&
(what_arc & FORWARDARC) && !AnyLimbsRecycling(mech) &&
(elevation_diff == 0 || elevation_diff == 1)) {
rleg_bth = 0;
lleg_bth = 0;
/* Check the Front Right Leg for any crits or weaps cycling */
if (!section_hasbusyweap[0]) {
if (!OkayCritSectS(RARM, 0, SHOULDER_OR_HIP))
rleg_bth += 3;
if (!OkayCritSectS(RARM, 1, UPPER_ACTUATOR))
rleg_bth++;
if (!OkayCritSectS(RARM, 2, LOWER_ACTUATOR))
rleg_bth++;
if (!OkayCritSectS(RARM, 3, HAND_OR_FOOT_ACTUATOR))
rleg_bth++;
} else {
rleg_bth = 99;
}
/* Check the Front Left Leg for any crits or weaps cycling */
if (!section_hasbusyweap[1]) {
if (!OkayCritSectS(LARM, 0, SHOULDER_OR_HIP))
lleg_bth += 3;
if (!OkayCritSectS(LARM, 1, UPPER_ACTUATOR))
lleg_bth++;
if (!OkayCritSectS(LARM, 2, LOWER_ACTUATOR))
lleg_bth++;
if (!OkayCritSectS(LARM, 3, HAND_OR_FOOT_ACTUATOR))
lleg_bth++;
} else {
rleg_bth = 99;
}
/* Now kick depending on which one would be better
* to kick with */
if (rleg_bth <= lleg_bth) {
snprintf(buffer, LBUF_SIZE, "r %c%c", MechID(physical_target)[0],
MechID(physical_target)[1]);
} else {
snprintf(buffer, LBUF_SIZE, "l %c%c", MechID(physical_target)[0],
MechID(physical_target)[1]);
}
mech_kick(autopilot->mynum, mech, buffer);
}
} else if (MechType(mech) == CLASS_BSUIT) {
/* Are we a BSuit */
} else {
/* Eventually add code here maybe for other physical attacks for
* tanks perhaps */
}
} /* End of physical attack */
/* Log It */
print_autogun_log(autopilot, "Autogun - End Physical Attack Stage");
/* Now we mow down our target */
/* Get our current target */
/* Check to make sure we didn't kill it with physical attack
* or something */
if (!(target = getMech(autopilot->target))) {
/* There were no valid targets so
* rerun autogun */
/* Reset the AI */
autopilot->target = -1;
autopilot->target_score = 0;
/* Make sure multiple instances of autogun aren't running */
if (muxevent_count_type_data(EVENT_AUTOGUN, (void *) autopilot)) {
muxevent_remove_type_data(EVENT_AUTOGUN, (void *) autopilot);
}
AUTOEVENT(autopilot, EVENT_AUTOGUN, auto_gun_event, AUTO_GUN_TICK, 0);
/* Log It */
print_autogun_log(autopilot, "Autogun - No valid current target");
print_autogun_log(autopilot, "Autogun Event Finished");
return;
} else if (Destroyed(target) || (target->mapindex != mech->mapindex)) {
/* Target is either dead or not on the map anymore */
autopilot->target = -1;
autopilot->target_score = 0;
/* Make sure multiple instances of autogun aren't running */
if (muxevent_count_type_data(EVENT_AUTOGUN, (void *) autopilot)) {
muxevent_remove_type_data(EVENT_AUTOGUN, (void *) autopilot);
}
AUTOEVENT(autopilot, EVENT_AUTOGUN, auto_gun_event, AUTO_GUN_TICK, 0);
/* Log it */
print_autogun_log(autopilot, "Autogun - Target Gone");
print_autogun_log(autopilot, "Autogun Event Finished");
return;
}
/* Log It */
print_autogun_log(autopilot, "Autogun - Starting Weapon Attack Phase");
/* Get range from mech to current target */
range = FindHexRange(MechFX(mech), MechFY(mech),
MechFX(target), MechFY(target));
/* This probably unnecessary but since it doesn't
* take much to calc range it should be ok for
* testing for now */
if ((range >= (float) AUTO_GUN_MAX_RANGE) &&
!AssignedTarget(autopilot)) {
/* Target is to far - reset */
autopilot->target = -1;
autopilot->target_score = 0;
/* Make sure multiple instances of autogun aren't running */
if (muxevent_count_type_data(EVENT_AUTOGUN, (void *) autopilot)) {
muxevent_remove_type_data(EVENT_AUTOGUN, (void *) autopilot);
}
AUTOEVENT(autopilot, EVENT_AUTOGUN, auto_gun_event, AUTO_GUN_TICK, 0);
/* Log it */
print_autogun_log(autopilot, "Autogun - Target out of range");
print_autogun_log(autopilot, "Autogun Event Finished");
return;
}
/* Cycle through Guns while watching the heat */
if ((range < (float) AUTO_GUN_MAX_RANGE) && autopilot->profile[(int) range]) {
/* Ok we got weapons lets use them */
/* Reset heat counter to current heat */
accumulate_heat = MechWeapHeat(mech);
/* If the unit is moving need to account for the heat of that as well */
if ((MechType(mech) == CLASS_MECH) && (fabs(MechSpeed(mech)) > 0.0)) {
maxspeed = MMaxSpeed(mech);
if (IsRunning(MechDesiredSpeed(mech), maxspeed))
accumulate_heat += 2;
else
accumulate_heat += 1;
}
/* Get first weapon */
temp_weapon_node = (weapon_node *) rb_search(autopilot->profile[(int) range],
SEARCH_LAST, NULL);
while (temp_weapon_node) {
/* Check to see if the weapon even works */
if (WeaponIsNonfunctional(mech, temp_weapon_node->section,
temp_weapon_node->critical, GetWeaponCrits(mech,
Weapon2I(temp_weapon_node->weapon_db_number))) > 0) {
/* Weapon Doesn't work so go to next one */
temp_weapon_node = (weapon_node *) rb_search(autopilot->profile[(int) range],
SEARCH_PREV, &temp_weapon_node->range_scores[(int) range]);
continue;
}
/* Check to see if its cycling */
if (WpnIsRecycling(mech, temp_weapon_node->section, temp_weapon_node->critical)) {
/* Go to the next one */
temp_weapon_node = (weapon_node *) rb_search(autopilot->profile[(int) range],
SEARCH_PREV, &temp_weapon_node->range_scores[(int) range]);
continue;
}
if (IsAMS(temp_weapon_node->weapon_db_number)) {
/* Ok its an AMS so go to next weapon */
temp_weapon_node = (weapon_node *) rb_search(autopilot->profile[(int) range],
SEARCH_PREV, &temp_weapon_node->range_scores[(int) range]);
continue;
}
/* Check heat levels, since the heat isn't updated untill we're done
* we have to manage the heat ourselves */
/*! \todo {Add a check also for aeros} */
if ((MechType(mech) == CLASS_MECH) && (((float) accumulate_heat +
(float) MechWeapons[temp_weapon_node->weapon_db_number].heat -
(float) MechMinusHeat(mech)) >
AUTO_GUN_MAX_HEAT)) {
/* Would make ourselves to hot to fire this gun */
temp_weapon_node = (weapon_node *) rb_search(autopilot->profile[(int) range],
SEARCH_PREV, &temp_weapon_node->range_scores[(int) range]);
continue;
}
/* Ok passed the checks now setup the arcs and see if we can fire it */
/* Ok the rest depends on what type of unit we driving */
if ((MechType(mech) == CLASS_MECH) &&
(MechMove(mech) == MOVE_BIPED)) {
/* Center ourself and get target arc */
MechStatus(mech) &= ~(TORSO_RIGHT | TORSO_LEFT);
if (MechSpecials(mech) & FLIPABLE_ARMS) {
/* Center the arms if need be */
MechStatus(mech) &= ~(FLIPPED_ARMS);
}
/* Get Target Arc */
what_arc = InWeaponArc(mech, MechFX(target), MechFY(target));
/* Now go through the various arcs and see if we
* need to flip arm or rotorso or something */
if (what_arc & REARARC) {
if (temp_weapon_node->section == LARM ||
temp_weapon_node->section == RARM) {
/* First see if we can flip arms */
if (MechSpecials(mech) & FLIPABLE_ARMS) {
/* Flip the arms */
MechStatus(mech) |= FLIPPED_ARMS;
} else {
/* Now see if we can rotatorso */
/* Find out if it would be better to
* rotate left or right */
relative_bearing = MechFacing(mech) -
FindBearing(MechFX(mech), MechFY(mech),
MechFX(target),
MechFY(target));
if (relative_bearing > 120 && relative_bearing < 180 &&
temp_weapon_node->section == RARM) {
/* Rotate Right */
MechStatus(mech) |= TORSO_RIGHT;
} else if (relative_bearing > 180 && relative_bearing < 240 &&
temp_weapon_node->section == LARM) {
/* Rotate Left */
MechStatus(mech) |= TORSO_LEFT;
} else {
/* Can't do anything so go to next weapon */
temp_weapon_node =
(weapon_node *) rb_search(autopilot->profile[(int) range],
SEARCH_PREV, &temp_weapon_node->range_scores[(int) range]);
continue;
}
}
} else if (!(GetPartFireMode(mech, temp_weapon_node->section,
temp_weapon_node->critical) & REAR_MOUNT)) {
/* Weapon is forward torso or leg mounted weapon
* so no way to shoot with */
temp_weapon_node =
(weapon_node *) rb_search(autopilot->profile[(int) range],
SEARCH_PREV, &temp_weapon_node->range_scores[(int) range]);
continue;
}
/* ELSE: Weapon is rear mounted so don't need to
* do anything */
} else if (what_arc & LSIDEARC) {
if (temp_weapon_node->section == RLEG ||
temp_weapon_node->section == LLEG) {
/* No way can we hit him with leg mounted
* weapons so lets go to next one */
temp_weapon_node =
(weapon_node *) rb_search(autopilot->profile[(int) range],
SEARCH_PREV, &temp_weapon_node->range_scores[(int) range]);
continue;
}
/* Rotate torso left */
MechStatus(mech) |= TORSO_LEFT;
} else if (what_arc & RSIDEARC) {
if (temp_weapon_node->section == RLEG ||
temp_weapon_node->section == LLEG) {
/* No way can we hit him with leg mounted
* weapons so lets go to next one */
temp_weapon_node =
(weapon_node *) rb_search(autopilot->profile[(int) range],
SEARCH_PREV, &temp_weapon_node->range_scores[(int) range]);
continue;
}
/* Rotate torso right */
MechStatus(mech) |= TORSO_RIGHT;
} else {
if (GetPartFireMode(mech, temp_weapon_node->section,
temp_weapon_node->critical) & REAR_MOUNT) {
/* No way can we hit the guy with a rear
* gun so lets go to next one */
temp_weapon_node =
(weapon_node *) rb_search(autopilot->profile[(int) range],
SEARCH_PREV, &temp_weapon_node->range_scores[(int) range]);
continue;
}
}
} else if ((MechType(mech) == CLASS_MECH) &&
(MechMove(mech) == MOVE_QUAD)) {
/* Get Target Arc */
what_arc = InWeaponArc(mech, MechFX(target), MechFY(target));
if (what_arc & REARARC) {
if (!(GetPartFireMode(mech, temp_weapon_node->section,
temp_weapon_node->critical) & REAR_MOUNT)) {
/* Weapon is not rear mounted so skip it and
* go to the next weapon */
temp_weapon_node =
(weapon_node *) rb_search(autopilot->profile[(int) range],
SEARCH_PREV, &temp_weapon_node->range_scores[(int) range]);
continue;
}
} else if (what_arc & FORWARDARC) {
if (GetPartFireMode(mech, temp_weapon_node->section,
temp_weapon_node->critical) & REAR_MOUNT) {
/* Weapon is rear mounted so skip it and
* go to the next weapon */
temp_weapon_node =
(weapon_node *) rb_search(autopilot->profile[(int) range],
SEARCH_PREV, &temp_weapon_node->range_scores[(int) range]);
continue;
}
} else {
/* The attacker is in a zone we can't possibly
* shoot into, so just go to next weapon */
temp_weapon_node =
(weapon_node *) rb_search(autopilot->profile[(int) range],
SEARCH_PREV, &temp_weapon_node->range_scores[(int) range]);
continue;
}
} else if ((MechType(mech) == CLASS_VEH_GROUND) ||
(MechType(mech) == CLASS_VEH_NAVAL)) {
/* Get Target Arc */
what_arc = InWeaponArc(mech, MechFX(target), MechFY(target));
/* Check if turret exists and weapon is there */
if (GetSectInt(mech, TURRET) && temp_weapon_node->section == TURRET) {
/* Rotate Turret and nail the guy */
if (MechTurretFacing(mech) != FindBearing(MechFX(mech),
MechFY(mech), MechFX(target), MechFY(target))) {
snprintf(buffer, LBUF_SIZE, "%d", FindBearing(MechFX(mech),
MechFY(mech), MechFX(target), MechFY(target)));
mech_turret(autopilot->mynum, mech, buffer);
}
} else {
/* Check if in arc of weapon */
if (!IsInWeaponArc(mech, MechFX(target), MechFY(target),
temp_weapon_node->section,
temp_weapon_node->critical)) {
/* Not in the arc so lets go to the next weapon */
temp_weapon_node =
(weapon_node *) rb_search(autopilot->profile[(int) range],
SEARCH_PREV, &temp_weapon_node->range_scores[(int) range]);
continue;
}
}
} else {
/* We're either an aero, ds, bsuit, mechwarrior or vtol
*
* Still need to add code for them */
}
/* Done moving around, fire the weapon */
snprintf(buffer, LBUF_SIZE, "%d", temp_weapon_node->weapon_number);
mech_fireweapon(autopilot->mynum, mech, buffer);
/* Log It */
print_autogun_log(autopilot, "Autogun - Fired Weapon #%d "
"at target #%d", temp_weapon_node->weapon_number,
autopilot->target);
/* Ok check to see if weapon was fired if so account for the
* heat */
if (WpnIsRecycling(mech, temp_weapon_node->section, temp_weapon_node->critical)) {
accumulate_heat += MechWeapons[temp_weapon_node->weapon_db_number].heat;
}
/* Ok go to the next weapon */
temp_weapon_node = (weapon_node *) rb_search(autopilot->profile[(int) range],
SEARCH_PREV, &temp_weapon_node->range_scores[(int) range]);
} /* End of cycling through weapons */
}
/* Log It */
print_autogun_log(autopilot, "Autogun - End Weapon Attack Phase");
/* Setup chasetarg
*
* Since chasetarget uses follow but we don't want follow getting
* messed up if its following a normal target. We define our own
* follow (basicly its follow but with the command name chasetarget */
/* Get the first command, if its chasetarget or there is no command
* check to see if we need to update chasetarget, otherwise means
* AI is doing something else important so don't try to chase
* anything */
if (ChasingTarget(autopilot)) {
/* Reset the flag */
do_chasetarget = 0;
/* Get the first command's enum and check it */
switch (auto_get_command_enum(autopilot, 1)) {
case GOAL_CHASETARGET:
/* Ok its our command so we can change it */
do_chasetarget = 1;
break;
case -1:
/* No current commands so we can do our chasetarget */
do_chasetarget = 1;
break;
/* ALl the other stuff we don't want to mess with */
default:
/* Reset the chase values */
autopilot->chase_target = -10;
autopilot->chasetarg_update_tick = AUTOPILOT_CHASETARG_UPDATE_TICK;
autopilot->follow_update_tick = AUTOPILOT_FOLLOW_UPDATE_TICK;
break;
}
/* Check the flag */
if (do_chasetarget) {
/* Ok lets chase the guy */
/* First see if we need to update */
if ((autopilot->target != autopilot->chase_target) ||
(autopilot->chasetarg_update_tick >= AUTOPILOT_CHASETARG_UPDATE_TICK)) {
/* Tell the AI to follow its target */
/* Basicly remove all the commands, add in
* autogun and follow and engage */
/* Let the AI know we chasing this guy */
autopilot->chase_target = autopilot->target;
/* Reset the tickers */
autopilot->chasetarg_update_tick = 0;
autopilot->follow_update_tick = AUTOPILOT_FOLLOW_UPDATE_TICK;
/* Reset the AI */
auto_disengage(autopilot->mynum, autopilot, "");
auto_delcommand(autopilot->mynum, autopilot, "-1");
/* Add in autogun and follow and engage */
if (AssignedTarget(autopilot) && autopilot->target != -1) {
snprintf(buffer, LBUF_SIZE, "autogun target %d", autopilot->target);
} else {
snprintf(buffer, LBUF_SIZE, "autogun on");
}
auto_addcommand(autopilot->mynum, autopilot, buffer);
snprintf(buffer, LBUF_SIZE, "chasetarget %d", autopilot->target);
auto_addcommand(autopilot->mynum, autopilot, buffer);
auto_engage(autopilot->mynum, autopilot, "");
/* Log it */
print_autogun_log(autopilot, "Autogun Event Finished");
return;
} else {
/* Update the ticker */
autopilot->chasetarg_update_tick++;
/* Check to see if we need to turn to face the guy by
* generating our target hex and seeing if we are in that
* hex then face the bad guy */
if ((target = getMech(autopilot->target)) &&
(!Destroyed(target) && (target->mapindex == mech->mapindex))) {
/* Generate the target hex */
FindXY(MechFX(target), MechFY(target), MechFacing(target) + autopilot->ofsx,
autopilot->ofsy, &fx, &fy);
RealCoordToMapCoord(&x, &y, fx, fy);
/* Make sure the hex is sane */
if (x < 0 || y < 0 || x >= map->map_width || y >= map->map_height) {
/* Bad Target Hex */
/* Reset the hex to the Target's current hex */
x = MechX(target);
y = MechY(target);
}
/* Are we in the target hex and is the target not moving */
if ((MechX(mech) == x) && (MechY(mech) == y) && (MechSpeed(target) < 0.5)) {
/* Get his bearing and face him */
MapCoordToRealCoord(x, y, &fx, &fy);
/* If we're not facing him, turn towards him */
if (MechDesiredFacing(mech) != FindBearing(MechFX(mech),
MechFY(mech), fx, fy)) {
snprintf(buffer, LBUF_SIZE, "%d",
FindBearing(MechFX(mech), MechFY(mech), fx, fy));
mech_heading(autopilot->mynum, mech, buffer);
} /* Turn towards him */
} /* Is he moving and are we in target hex */
} /* Do we need to turn towards him */
} /* Do we need to update */
} /* Do we run chasetarget */
} /* Is chasetarget on */
/* Make sure multiple instances of autogun aren't running */
if (muxevent_count_type_data(EVENT_AUTOGUN, (void *) autopilot)) {
muxevent_remove_type_data(EVENT_AUTOGUN, (void *) autopilot);
}
AUTOEVENT(autopilot, EVENT_AUTOGUN, auto_gun_event, AUTO_GUN_TICK, 0);
/* Log it */
print_autogun_log(autopilot, "Autogun Event Finished");
/* The End */
}