add zombie.ai.*

This commit is contained in:
aozhiwei 2020-07-20 11:00:38 +08:00
parent e8c544296a
commit 714342d4ce
3 changed files with 502 additions and 1 deletions

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@ -86,7 +86,6 @@ float AndroidNewAI::GetAttackRate()
void AndroidNewAI::DefaultAi() void AndroidNewAI::DefaultAi()
{ {
Human* hum = (Human*)owner;
switch (old_ai_data_.state) { switch (old_ai_data_.state) {
case AS_thinking: case AS_thinking:
{ {

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@ -0,0 +1,435 @@
#include "precompile.h"
#include <float.h>
#include "zombie.ai.h"
#include "android.h"
#include "room.h"
#include "metamgr.h"
#include "player.h"
const int SHUA_RANGE = 580;
enum ShotType_e
{
kShotNone = 0,
kShotClick = 1,
kShotHold = 2,
};
/*
nn目标ai可切换/()
ai级别
1: ()
2:
3:
4: ()
5:
6:
7:
8:
*/
ZombieAI::~ZombieAI()
{
}
void ZombieAI::Update(int delta_time)
{
Human* hum = (Human*)owner;
if (hum->poisoning) {
hum->poisoning_time += delta_time;
}
if (hum->poisoning) {
hum->UpdatePoisoning();
}
if (hum->dead) {
return;
}
if (hum->room->GetGasData().gas_mode == GasInactive) {
return;
}
UpdateAI();
}
float ZombieAI::GetAttackRate()
{
if (!ai_meta) {
return 1;
} else {
return ai_meta->i->attack_rate();
}
}
void ZombieAI::UpdateAI()
{
Human* hum = (Human*)owner;
if (a8::HasBitFlag(hum->status, HS_Disable)) {
return;
}
if (!ai_meta && GetAiLevel() != 0) {
ai_meta = MetaMgr::Instance()->GetAI(GetAiLevel());
if (!ai_meta) {
abort();
}
}
++node_.exec_frame_num;
hum->shot_hold = false;
switch (node_.main_state) {
case ZSE_Idle:
{
UpdateIdle();
}
break;
case ZSE_Thinking:
{
UpdateThinking();
}
break;
case ZSE_Attack:
{
UpdateAttack();
}
break;
case ZSE_RandomWalk:
{
UpdateRandomWalk();
}
break;
case ZSE_Pursuit:
{
UpdatePursuit();
}
break;
default:
{
abort();
}
break;
}
if (moving_) {
DoMove();
}
}
void ZombieAI::UpdateIdle()
{
Human* hum = (Human*)owner;
if (hum->room->GetFrameNo() > node_.frameno + node_.param1) {
ChangeToState(ZSE_Thinking);
}
}
void ZombieAI::UpdateThinking()
{
Human* hum = (Human*)owner;
if (hum->room->GetGasData().gas_mode == GasInactive ||
hum->room->IsWaitingStart()) {
if (hum->room->IsWaitingStart()) {
ChangeToState(ZSE_Idle);
} else {
ChangeToState(ZSE_RandomWalk);
}
} else {
Human* target = GetTarget();
if (target) {
node_.target = target;
ChangeToState(ZSE_Attack);
} else {
if (hum->room->GetFrameNo() >= node_.next_random_move_frameno) {
if ((rand() % 7) < 4) {
ChangeToState(ZSE_Idle);
} else {
ChangeToState(ZSE_RandomWalk);
}
} else {
ChangeToState(ZSE_Idle);
node_.param1 = node_.next_random_move_frameno - hum->room->GetFrameNo();
}
}
}
}
void ZombieAI::UpdateAttack()
{
Human* myself = (Human*)owner;
if (!node_.target || node_.target->dead) {
ChangeToState(ZSE_Thinking);
return;
}
if (node_.exec_frame_num > SERVER_FRAME_RATE * 8) {
ChangeToState(ZSE_Thinking);
return;
}
float distance = myself->GetPos().Distance(node_.target->GetPos());
if (distance > GetAttackRange()) {
if (ai_meta->i->pursuit_radius() <= 0) {
//站桩
ChangeToState(ZSE_Thinking);
} else {
if (distance < ai_meta->i->pursuit_radius()) {
//追击
ChangeToState(ZSE_Pursuit);
} else {
ChangeToState(ZSE_Thinking);
}
}
return;
}
//攻击逻辑
switch (ai_meta->i->attack_type()) {
case kShotClick:
{
if (ai_meta->i->attack_interval() > 0) {
if (node_.shot_times < GetAttackTimes()) {
DoShot();
} else {
ChangeToState(ZSE_Idle);
node_.next_total_shot_times = node_.total_shot_times;
node_.param1 = ai_meta->i->attack_interval() / 1000 * SERVER_FRAME_RATE;
}
} else {
myself->shot_hold = true;
DoShot();
}
}
break;
case kShotHold:
{
myself->shot_hold = true;
DoShot();
}
break;
default:
{
ChangeToState(ZSE_Idle);
}
break;
}
}
void ZombieAI::UpdateRandomWalk()
{
Human* hum = (Human*)owner;
if (hum->room->GetFrameNo() > node_.frameno + node_.param1) {
ChangeToState(ZSE_Thinking);
}
}
void ZombieAI::UpdatePursuit()
{
Human* myself = (Human*)owner;
float distance = myself->GetPos().Distance(node_.target->GetPos());
if (distance < GetAttackRange()) {
ChangeToState(ZSE_Attack);
} else {
if (node_.exec_frame_num > 100 * 2) {
ChangeToState(ZSE_RandomWalk);
}
}
}
void ZombieAI::DoMove()
{
Human* hum = (Human*)owner;
if (std::abs(hum->move_dir.x) > FLT_EPSILON ||
std::abs(hum->move_dir.y) > FLT_EPSILON) {
hum->on_move_collision =
[this] () {
ChangeToState(ZSE_RandomWalk);
return false;
};
int speed = std::max(1, (int)hum->GetSpeed()) * 1;
hum->_UpdateMove(speed);
hum->on_move_collision = nullptr;
if (node_.nearest_human) {
if (node_.main_state != ZSE_Pursuit &&
hum->GetPos().ManhattanDistance(node_.nearest_human->GetPos()) < 200) {
ChangeToState(ZSE_Thinking);
} else if (hum->GetPos().ManhattanDistance(node_.nearest_human->GetPos()) > 800) {
GetTarget();
}
}
}
}
void ZombieAI::ChangeToState(ZombieState_e to_state)
{
Human* hum = (Human*)owner;
switch (to_state) {
case ZSE_Idle:
{
node_.target = nullptr;
node_.param1 = 0;
node_.start_shot_frameno = 0;
node_.shot_times = 0;
moving_ = false;
if (hum->room->GetGasData().gas_mode == GasInactive ||
hum->room->IsWaitingStart()) {
node_.param1 = rand() % (3 * SERVER_FRAME_RATE);
} else {
node_.param1 = rand() % (2 * SERVER_FRAME_RATE);
}
}
break;
case ZSE_Thinking:
{
node_.target = nullptr;
node_.param1 = 0;
node_.start_shot_frameno = 0;
node_.shot_times = 0;
moving_ = false;
}
break;
case ZSE_Attack:
{
node_.param1 = 0;
node_.start_shot_frameno = 0;
node_.shot_times = 0;
moving_ = false;
node_.shot_times = 0;
}
break;
case ZSE_RandomWalk:
{
moving_ = true;
node_.target = nullptr;
#if 1
node_.param1 = SERVER_FRAME_RATE * ai_meta->GetMoveTime();
#else
node_.param1 = SERVER_FRAME_RATE * 5 + rand() % (SERVER_FRAME_RATE * 3);
#endif
node_.start_shot_frameno = 0;
node_.shot_times = 0;
node_.next_random_move_frameno = hum->room->GetFrameNo() +
SERVER_FRAME_RATE * ai_meta->GetMoveIdleTime();
hum->move_dir = a8::Vec2(1.0f, 0);
hum->move_dir.Rotate(a8::RandAngle());
hum->move_dir.Normalize();
hum->attack_dir = hum->move_dir;
if (node_.param1 <= 1) {
moving_ = false;
}
}
break;
case ZSE_Pursuit:
{
moving_ = true;
if (node_.target) {
hum->move_dir = node_.target->GetPos() - hum->GetPos();
hum->move_dir.Normalize();
hum->attack_dir = hum->move_dir;
}
}
break;
}
node_.main_state = to_state;
node_.frameno = hum->room->GetFrameNo();
node_.exec_frame_num = 0;
}
Human* ZombieAI::GetTarget()
{
if (GetAiLevel() <= 1) {
return nullptr;
}
Human* myself = (Human*)owner;
if (myself->room->GetGasData().gas_mode == GasInactive) {
return nullptr;
}
Human* target = nullptr;
myself->TouchAllLayerHumanList
(
[myself, &target] (Human* hum, bool& stop)
{
if (hum->dead) {
return;
}
if (a8::HasBitFlag(hum->status, HS_Disable)) {
return;
}
if (myself->team_id == hum->team_id) {
return;
}
if (target) {
if (myself->GetPos().ManhattanDistance(target->GetPos()) >
myself->GetPos().ManhattanDistance(hum->GetPos())) {
target = hum;
}
} else {
target = hum;
}
});
if (target) {
node_.nearest_human = target;
node_.last_check_nearest_human_frameno = myself->room->GetFrameNo();
float distance = myself->GetPos().Distance(target->GetPos());
if (distance > GetAttackRange()) {
target = nullptr;
}
}
return target;
}
float ZombieAI::GetAttackRange()
{
float attack_range = 0;
Human* myself = (Human*)owner;
if (myself->curr_weapon && myself->curr_weapon->meta) {
attack_range = myself->curr_weapon->meta->i->range();
}
attack_range = std::min(ai_meta->i->attack_range(), (int)attack_range);
return attack_range;
}
void ZombieAI::DoShot()
{
Human* myself = (Human*)owner;
if (!node_.target) {
return;
}
bool shot_ok = false;
a8::Vec2 shot_dir = myself->attack_dir;
if (node_.total_shot_times >= node_.next_total_shot_times) {
shot_dir = node_.target->GetPos() - myself->GetPos();
node_.next_total_shot_times += 7 + (rand() % 6);
myself->attack_dir = shot_dir;
}
if (std::abs(shot_dir.x) > FLT_EPSILON ||
std::abs(shot_dir.y) > FLT_EPSILON) {
shot_dir.Normalize();
if (ai_meta->i->shot_offset_angle() > 0) {
int shot_offset_angle = a8::RandEx(ai_meta->i->shot_offset_angle(),
1);
if (rand() % 10 < 3) {
shot_dir.Rotate(shot_offset_angle / 180.0f);
} else {
shot_dir.Rotate(shot_offset_angle / -180.0f);
}
}
a8::Vec2 old_attack_dir = myself->attack_dir;
myself->attack_dir = shot_dir;
myself->Shot(shot_dir, shot_ok);
myself->attack_dir = old_attack_dir;
if (shot_ok) {
if (node_.shot_times <= 0) {
node_.start_shot_frameno = myself->room->GetFrameNo();
}
++node_.shot_times;
++node_.total_shot_times;
}
}
}
int ZombieAI::GetAttackTimes()
{
Human* myself = (Human*)owner;
if (myself->curr_weapon) {
return std::min(ai_meta->i->attack_times(), myself->curr_weapon->GetClipVolume());
} else {
return ai_meta->i->attack_times();
}
}

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@ -0,0 +1,67 @@
#pragma once
#include "aicomponent.h"
enum ZombieState_e
{
ZSE_Idle = 0,
ZSE_Thinking = 1,
ZSE_Attack = 2,
ZSE_RandomWalk = 3,
ZSE_Pursuit = 4
};
class Human;
class ZombieAINode
{
public:
ZombieState_e main_state = ZSE_Idle;
long long frameno = 0;
long long exec_frame_num = 0;
long long start_shot_frameno = 0;
long long next_random_move_frameno = 0;
int shot_times = 0;
int total_shot_times = 0;
int next_total_shot_times = 0;
long long param1 = 0;
Human* target = nullptr;
Human* nearest_human = nullptr;
long long last_check_nearest_human_frameno = 0;
a8::Vec2 shot_dir;
};
namespace MetaData
{
class AI;
}
class Human;
class ZombieAI : public AIComponent
{
public:
virtual ~ZombieAI() override;
virtual void Update(int delta_time) override;
float GetAttackRate();
private:
void UpdateAI();
void UpdateIdle();
void UpdateThinking();
void UpdateAttack();
void UpdateRandomWalk();
void UpdatePursuit();
void DoMove();
void ChangeToState(ZombieState_e to_state);
void DoShot();
Human* GetTarget();
float GetAttackRange();
int GetAttackTimes();
private:
MetaData::AI* ai_meta = nullptr;
ZombieAINode node_;
bool moving_ = false;
};