314 lines
13 KiB
C
314 lines
13 KiB
C
/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Header file for AI system.
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*
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*/
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#ifndef _AI_H
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#define _AI_H
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#include <stdio.h>
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#include "object.h"
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#include "fvi.h"
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#include "robot.h"
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#define PLAYER_AWARENESS_INITIAL_TIME (3*F1_0)
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#define MAX_PATH_LENGTH 30 // Maximum length of path in ai path following.
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#define MAX_DEPTH_TO_SEARCH_FOR_PLAYER 10
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#define BOSS_GATE_MATCEN_NUM -1
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#define MAX_BOSS_TELEPORT_SEGS 100
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#define ROBOT_BRAIN 7
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#define ROBOT_BOSS1 17
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#define ROBOT_FIRE_AGITATION 94
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#define BOSS_D2 21 // Minimum D2 boss value.
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#define BOSS_COOL 21
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#define BOSS_WATER 22
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#define BOSS_FIRE 23
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#define BOSS_ICE 24
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#define BOSS_ALIEN1 25
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#define BOSS_ALIEN2 26
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#define NUM_D2_BOSSES 8
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extern const ubyte Boss_teleports[NUM_D2_BOSSES]; // Set byte if this boss can teleport
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extern const ubyte Boss_spew_more[NUM_D2_BOSSES]; // Set byte if this boss can teleport
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//extern ubyte Boss_cloaks[NUM_D2_BOSSES]; // Set byte if this boss can cloak
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extern const ubyte Boss_spews_bots_energy[NUM_D2_BOSSES]; // Set byte if boss spews bots when hit by energy weapon.
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extern const ubyte Boss_spews_bots_matter[NUM_D2_BOSSES]; // Set byte if boss spews bots when hit by matter weapon.
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extern const ubyte Boss_invulnerable_energy[NUM_D2_BOSSES]; // Set byte if boss is invulnerable to energy weapons.
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extern const ubyte Boss_invulnerable_matter[NUM_D2_BOSSES]; // Set byte if boss is invulnerable to matter weapons.
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extern const ubyte Boss_invulnerable_spot[NUM_D2_BOSSES]; // Set byte if boss is invulnerable in all but a certain spot. (Dot product fvec|vec_to_collision < BOSS_INVULNERABLE_DOT)
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extern fix64 Boss_cloak_start_time, Boss_cloak_end_time;
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extern int Num_boss_teleport_segs;
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extern short Boss_teleport_segs[MAX_BOSS_TELEPORT_SEGS];
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extern fix64 Last_teleport_time;
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extern fix Boss_cloak_duration;
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extern ai_local Ai_local_info[MAX_OBJECTS];
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extern vms_vector Believed_player_pos;
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extern int Believed_player_seg;
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extern void move_towards_segment_center(object *objp);
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extern int gate_in_robot(int type, int segnum);
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extern void do_ai_movement(object *objp);
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extern void ai_move_to_new_segment( object * obj, short newseg, int first_time );
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// extern void ai_follow_path( object * obj, short newseg, int first_time );
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extern void ai_recover_from_wall_hit(object *obj, int segnum);
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extern void ai_move_one(object *objp);
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extern void do_ai_frame(object *objp);
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extern void init_ai_object(int objnum, int initial_mode, int hide_segment);
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extern void update_player_awareness(object *objp, fix new_awareness);
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extern void create_awareness_event(object *objp, int type); // object *objp can create awareness of player, amount based on "type"
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extern void do_ai_frame_all(void);
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extern void reset_ai_states(object *objp);
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extern int create_path_points(object *objp, int start_seg, int end_seg, point_seg *point_segs, short *num_points, int max_depth, int random_flag, int safety_flag, int avoid_seg);
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extern void create_all_paths(void);
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extern void create_path_to_station(object *objp, int max_length);
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extern void ai_follow_path(object *objp, int player_visibility, int previous_visibility, vms_vector *vec_to_player);
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extern void ai_turn_towards_vector(vms_vector *vec_to_player, object *obj, fix rate);
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extern void ai_turn_towards_vel_vec(object *objp, fix rate);
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extern void init_ai_objects(void);
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extern void do_ai_robot_hit(object *robot, int type);
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extern void create_n_segment_path(object *objp, int path_length, int avoid_seg);
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extern void create_n_segment_path_to_door(object *objp, int path_length, int avoid_seg);
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extern void make_random_vector(vms_vector *vec);
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extern void init_robots_for_level(void);
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extern int ai_behavior_to_mode(int behavior);
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extern void create_path_to_segment(object *objp, int goalseg, int max_length, int safety_flag);
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extern int ready_to_fire(robot_info *robptr, ai_local *ailp);
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extern int polish_path(object *objp, point_seg *psegs, int num_points);
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extern void move_towards_player(object *objp, vms_vector *vec_to_player);
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// max_length is maximum depth of path to create.
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// If -1, use default: MAX_DEPTH_TO_SEARCH_FOR_PLAYER
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extern void create_path_to_player(object *objp, int max_length, int safety_flag);
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extern void attempt_to_resume_path(object *objp);
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// When a robot and a player collide, some robots attack!
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extern void do_ai_robot_hit_attack(object *robot, object *player, vms_vector *collision_point);
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extern void ai_open_doors_in_segment(object *robot);
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extern int ai_door_is_openable(object *objp, segment *segp, int sidenum);
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extern int player_is_visible_from_object(object *objp, vms_vector *pos, fix field_of_view, vms_vector *vec_to_player);
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extern void ai_reset_all_paths(void); // Reset all paths. Call at the start of a level.
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extern int ai_multiplayer_awareness(object *objp, int awareness_level);
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// In escort.c
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extern void do_escort_frame(object *objp, fix dist_to_player, int player_visibility);
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extern void do_snipe_frame(object *objp, fix dist_to_player, int player_visibility, vms_vector *vec_to_player);
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extern void do_thief_frame(object *objp, fix dist_to_player, int player_visibility, vms_vector *vec_to_player);
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#ifndef NDEBUG
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extern void force_dump_ai_objects_all(char *msg);
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#else
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#define force_dump_ai_objects_all(msg)
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#endif
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extern void start_boss_death_sequence(object *objp);
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extern void ai_init_boss_for_ship(void);
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extern int Boss_been_hit;
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extern fix AI_proc_time;
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// Stuff moved from ai.c by MK on 05/25/95.
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#define ANIM_RATE (F1_0/16)
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#define DELTA_ANG_SCALE 16
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#define OVERALL_AGITATION_MAX 100
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#define MAX_AI_CLOAK_INFO 8 // Must be a power of 2!
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#define BOSS_CLOAK_DURATION (F1_0*7)
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#define BOSS_DEATH_DURATION (F1_0*6)
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#define CHASE_TIME_LENGTH (F1_0*8)
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#define DEFAULT_ROBOT_SOUND_VOLUME F1_0
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extern fix Dist_to_last_fired_upon_player_pos;
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extern vms_vector Last_fired_upon_player_pos;
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#define MAX_AWARENESS_EVENTS 64
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typedef struct awareness_event {
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short segnum; // segment the event occurred in
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short type; // type of event, defines behavior
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vms_vector pos; // absolute 3 space location of event
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} awareness_event;
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#define AIS_MAX 8
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#define AIE_MAX 4
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#define ESCORT_GOAL_UNSPECIFIED -1
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#define ESCORT_GOAL_UNSPECIFIED -1
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#define ESCORT_GOAL_BLUE_KEY 1
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#define ESCORT_GOAL_GOLD_KEY 2
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#define ESCORT_GOAL_RED_KEY 3
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#define ESCORT_GOAL_CONTROLCEN 4
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#define ESCORT_GOAL_EXIT 5
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// Custom escort goals.
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#define ESCORT_GOAL_ENERGY 6
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#define ESCORT_GOAL_ENERGYCEN 7
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#define ESCORT_GOAL_SHIELD 8
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#define ESCORT_GOAL_POWERUP 9
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#define ESCORT_GOAL_ROBOT 10
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#define ESCORT_GOAL_HOSTAGE 11
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#define ESCORT_GOAL_PLAYER_SPEW 12
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#define ESCORT_GOAL_SCRAM 13
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#define ESCORT_GOAL_EXIT2 14
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#define ESCORT_GOAL_BOSS 15
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#define ESCORT_GOAL_MARKER1 16
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#define ESCORT_GOAL_MARKER2 17
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#define ESCORT_GOAL_MARKER3 18
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#define ESCORT_GOAL_MARKER4 19
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#define ESCORT_GOAL_MARKER5 20
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#define ESCORT_GOAL_MARKER6 21
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#define ESCORT_GOAL_MARKER7 22
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#define ESCORT_GOAL_MARKER8 23
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#define ESCORT_GOAL_MARKER9 24
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#define MAX_ESCORT_GOALS 25
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#define MAX_ESCORT_DISTANCE (F1_0*80)
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#define MIN_ESCORT_DISTANCE (F1_0*40)
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#define FUELCEN_CHECK 1000
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extern fix64 Escort_last_path_created;
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extern int Escort_goal_object, Escort_special_goal, Escort_goal_index;
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#define GOAL_WIDTH 11
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#define SNIPE_RETREAT_TIME (F1_0*5)
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#define SNIPE_ABORT_RETREAT_TIME (SNIPE_RETREAT_TIME/2) // Can abort a retreat with this amount of time left in retreat
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#define SNIPE_ATTACK_TIME (F1_0*10)
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#define SNIPE_WAIT_TIME (F1_0*5)
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#define SNIPE_FIRE_TIME (F1_0*2)
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#define THIEF_PROBABILITY 16384 // 50% chance of stealing an item at each attempt
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#define MAX_STOLEN_ITEMS 10 // Maximum number kept track of, will keep stealing, causes stolen weapons to be lost!
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extern int Max_escort_length;
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extern int Escort_kill_object;
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extern ubyte Stolen_items[MAX_STOLEN_ITEMS];
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extern fix64 Escort_last_path_created;
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extern int Escort_goal_object, Escort_special_goal, Escort_goal_index;
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extern void create_buddy_bot(void);
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extern int Max_escort_length;
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extern void ai_multi_send_robot_position(int objnum, int force);
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// Amount of time since the current robot was last processed for things such as movement.
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// It is not valid to use FrameTime because robots do not get moved every frame.
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extern int Num_boss_teleport_segs;
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extern short Boss_teleport_segs[];
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extern int Num_boss_gate_segs;
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extern short Boss_gate_segs[];
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// --------- John: These variables must be saved as part of gamesave. ---------
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extern int Ai_initialized;
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extern int Overall_agitation;
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extern ai_local Ai_local_info[MAX_OBJECTS];
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extern point_seg Point_segs[MAX_POINT_SEGS];
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extern point_seg *Point_segs_free_ptr;
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extern ai_cloak_info Ai_cloak_info[MAX_AI_CLOAK_INFO];
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extern fix64 Boss_cloak_start_time;
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extern fix64 Boss_cloak_end_time;
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extern fix64 Last_teleport_time;
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extern fix Boss_teleport_interval;
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extern fix Boss_cloak_interval; // Time between cloaks
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extern fix Boss_cloak_duration;
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extern fix64 Last_gate_time;
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extern fix Gate_interval;
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extern fix64 Boss_dying_start_time;
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extern sbyte Boss_dying, Boss_dying_sound_playing;
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extern fix64 Boss_hit_time;
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// -- extern int Boss_been_hit;
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// ------ John: End of variables which must be saved as part of gamesave. -----
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extern int ai_evaded;
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extern sbyte Super_boss_gate_list[];
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#define MAX_GATE_INDEX 25
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extern int Ai_info_enabled;
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// These globals are set by a call to find_vector_intersection, which is a slow routine,
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// so we don't want to call it again (for this object) unless we have to.
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extern vms_vector Hit_pos;
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extern int Hit_type, Hit_seg;
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extern fvi_info Hit_data;
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extern int Num_awareness_events;
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extern awareness_event Awareness_events[MAX_AWARENESS_EVENTS];
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extern vms_vector Believed_player_pos;
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#ifndef NDEBUG
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// Index into this array with ailp->mode
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// Index into this array with aip->behavior
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// Index into this array with aip->GOAL_STATE or aip->CURRENT_STATE
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extern int Do_ai_flag, Break_on_object;
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#endif //ifndef NDEBUG
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extern int Stolen_item_index; // Used in ai.c for controlling rate of Thief flare firing.
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extern void ai_frame_animation(object *objp);
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extern int do_silly_animation(object *objp);
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extern int openable_doors_in_segment(int segnum);
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extern void compute_vis_and_vec(object *objp, vms_vector *pos, ai_local *ailp, vms_vector *vec_to_player, int *player_visibility, robot_info *robptr, int *flag);
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extern void do_firing_stuff(object *obj, int player_visibility, vms_vector *vec_to_player);
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extern int maybe_ai_do_actual_firing_stuff(object *obj, ai_static *aip);
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extern void ai_do_actual_firing_stuff(object *obj, ai_static *aip, ai_local *ailp, robot_info *robptr, vms_vector *vec_to_player, fix dist_to_player, vms_vector *gun_point, int player_visibility, int object_animates, int gun_num);
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extern void do_super_boss_stuff(object *objp, fix dist_to_player, int player_visibility);
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extern void do_boss_stuff(object *objp, int player_visibility);
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// -- unused, 08/07/95 -- extern void ai_turn_randomly(vms_vector *vec_to_player, object *obj, fix rate, int previous_visibility);
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extern void ai_move_relative_to_player(object *objp, ai_local *ailp, fix dist_to_player, vms_vector *vec_to_player, fix circle_distance, int evade_only, int player_visibility);
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extern void move_away_from_player(object *objp, vms_vector *vec_to_player, int attack_type);
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extern void move_towards_vector(object *objp, vms_vector *vec_goal, int dot_based);
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extern void init_ai_frame(void);
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extern void create_bfs_list(int start_seg, short bfs_list[], int *length, int max_segs);
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extern void init_thief_for_level();
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extern int Escort_goal_object;
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extern int ai_save_state(PHYSFS_file * fp);
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extern int ai_restore_state(PHYSFS_file *fp, int version, int swap);
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extern int Buddy_objnum, Buddy_allowed_to_talk;
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extern void start_robot_death_sequence(object *objp);
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extern int do_any_robot_dying_frame(object *objp);
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extern void buddy_message(char * format, ... );
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#define SPECIAL_REACTOR_ROBOT 65
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extern void special_reactor_stuff(void);
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#endif /* _AI_H */
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