OpenFusion/src/Entities.hpp

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#pragma once
#include "core/Core.hpp"
#include "Chunking.hpp"
#include <stdint.h>
#include <set>
enum class EntityType : uint8_t {
INVALID,
PLAYER,
SIMPLE_NPC,
COMBAT_NPC,
MOB,
EGG,
BUS
};
struct Entity {
EntityType kind = EntityType::INVALID;
int x = 0, y = 0, z = 0;
uint64_t instanceID = 0;
ChunkPos chunkPos = {};
std::set<Chunk*> viewableChunks = {};
// destructor must be virtual, apparently
virtual ~Entity() {}
virtual bool isAlive() { return true; }
// stubs
virtual void enterIntoViewOf(CNSocket *sock) = 0;
virtual void disappearFromViewOf(CNSocket *sock) = 0;
};
struct EntityRef {
EntityType type;
union {
CNSocket *sock;
int32_t id;
};
EntityRef(CNSocket *s);
EntityRef(int32_t i);
bool isValid() const;
Entity *getEntity() const;
bool operator==(const EntityRef& other) const {
if (type != other.type)
return false;
if (type == EntityType::PLAYER)
return sock == other.sock;
return id == other.id;
}
// arbitrary ordering
bool operator<(const EntityRef& other) const {
if (type == other.type) {
if (type == EntityType::PLAYER)
return sock < other.sock;
else
return id < other.id;
}
return type < other.type;
}
};
/*
* Subclasses
*/
class BaseNPC : public Entity {
public:
int id;
int type;
int hp;
int angle;
int cbf;
int barkerType;
bool loopingPath = false;
BaseNPC(int _A, uint64_t iID, int t, int _id) {
type = t;
hp = 400;
angle = _A;
cbf = 0;
barkerType = 0;
id = _id;
instanceID = iID;
};
virtual void enterIntoViewOf(CNSocket *sock) override;
virtual void disappearFromViewOf(CNSocket *sock) override;
sNPCAppearanceData getAppearanceData();
};
struct CombatNPC : public BaseNPC {
int maxHealth = 0;
int spawnX = 0;
int spawnY = 0;
int spawnZ = 0;
int level = 0;
int speed = 300;
void (*_stepAI)(CombatNPC*, time_t) = nullptr;
CombatNPC(int x, int y, int z, int angle, uint64_t iID, int t, int id, int maxHP)
: BaseNPC(angle, iID, t, id), maxHealth(maxHP) {
spawnX = x;
spawnY = y;
spawnZ = z;
}
virtual void stepAI(time_t currTime) {
if (_stepAI != nullptr)
_stepAI(this, currTime);
}
virtual bool isAlive() override { return hp > 0; }
};
// Mob is in MobAI.hpp, Player is in Player.hpp
// TODO: decouple from BaseNPC
struct Egg : public BaseNPC {
bool summoned = false;
bool dead = false;
time_t deadUntil;
Egg(uint64_t iID, int t, int32_t id, bool summon)
: BaseNPC(0, iID, t, id) {
summoned = summon;
kind = EntityType::EGG;
}
virtual bool isAlive() override { return !dead; }
virtual void enterIntoViewOf(CNSocket *sock) override;
virtual void disappearFromViewOf(CNSocket *sock) override;
};
// TODO: decouple from BaseNPC
struct Bus : public BaseNPC {
Bus(int angle, uint64_t iID, int t, int id) :
BaseNPC(angle, iID, t, id) {
kind = EntityType::BUS;
loopingPath = true;
}
virtual void enterIntoViewOf(CNSocket *sock) override;
virtual void disappearFromViewOf(CNSocket *sock) override;
};