cathook/include/helpers.hpp

/*
 * helpers.h
 *
 *  Created on: Oct 8, 2016
 *      Author: nullifiedcat
 */

#pragma once

class CachedEntity;
class IClientEntity;
class ConVar;
class ConCommand;
class CUserCmd;
class CCommand;
struct player_info_s;
class Vector;

class ICvar;
void SetCVarInterface(ICvar *iface);

#define PI 3.14159265358979323846f
#define RADPI 57.295779513082f
//#define DEG2RAD(x) (float)(x) * (float)(PI / 180.0f)

#include <enums.hpp>
#include <conditions.hpp>
#include <entitycache.hpp>
#include <core/logging.hpp>

#include <string>
#include <sstream>
#include <vector>
#include <mutex>

#include <core/sdk.hpp>

// typedef void ( *FnCommandCallback_t )( const CCommand &command );

// TODO split this shit

std::vector<ConVar *> &RegisteredVarsList();
std::vector<ConCommand *> &RegisteredCommandsList();

void BeginConVars();
void EndConVars();

// Calling source engine functions would get me more accurate result at cost of
// speed, so idk.
// TODO?

bool IsPlayerInvulnerable(CachedEntity *player);
bool IsPlayerCritBoosted(CachedEntity *player);
bool IsPlayerInvisible(CachedEntity *player);
bool IsPlayerDisguised(CachedEntity *player);

const char *GetBuildingName(CachedEntity *ent);
Vector GetBuildingPosition(CachedEntity *ent);
bool IsBuildingVisible(CachedEntity *ent);

ConVar *CreateConVar(std::string name, std::string value, std::string help);
ConCommand *CreateConCommand(const char *name, FnCommandCallback_t callback,
                             const char *help);

powerup_type GetPowerupOnPlayer(CachedEntity *player);
// GetHitbox() is being called really frequently.
// It's better if it won't create a new object each time it gets called.
// So it returns a success state, and the values are stored in out reference.
bool GetHitbox(CachedEntity *entity, int hb, Vector &out);
weaponmode GetWeaponMode();

void FixMovement(CUserCmd &cmd, Vector &viewangles);
void VectorAngles(Vector &forward, Vector &angles);
extern std::mutex trace_lock;
bool IsEntityVisible(CachedEntity *entity, int hb);
bool IsEntityVectorVisible(CachedEntity *entity, Vector endpos);
bool VisCheckEntFromEnt(CachedEntity *startEnt, CachedEntity *endEnt);
bool VisCheckEntFromEntVector(Vector startVector, CachedEntity *startEnt,
                              CachedEntity *endEnt);
Vector VischeckWall(CachedEntity *player, CachedEntity *target, float maxdist,
                    bool checkWalkable = false);
float vectorMax(Vector i);
Vector vectorAbs(Vector i);
bool canReachVector(Vector loc);

bool LineIntersectsBox(Vector &bmin, Vector &bmax, Vector &lmin, Vector &lmax);

float DistToSqr(CachedEntity *entity);
void fClampAngle(Vector &qaAng);
// const char* MakeInfoString(IClientEntity* player);
bool GetProjectileData(CachedEntity *weapon, float &speed, float &gravity);
bool IsVectorVisible(Vector a, Vector b);
bool IsSentryBuster(CachedEntity *ent);
char *strfmt(const char *fmt, ...);
// TODO move that to weaponid.h
bool HasWeapon(CachedEntity *ent, int wantedId);
bool IsAmbassador(CachedEntity *ent);
bool HasDarwins(CachedEntity *ent);
bool AmbassadorCanHeadshot();

inline const char *teamname(int team)
{
    if (team == 2)
        return "RED";
    else if (team == 3)
        return "BLU";
    return "SPEC";
}
extern const std::string classes[10];
inline const char *classname(int clazz)
{
    if (clazz > 0 && clazz < 10)
    {
        return classes[clazz - 1].c_str();
    }
    return "Unknown";
}

void PrintChat(const char *fmt, ...);

void WhatIAmLookingAt(int *result_eindex, Vector *result_pos);

void Patch(void *address, void *patch, size_t length);

void AimAt(Vector origin, Vector target, CUserCmd *cmd);
void AimAtHitbox(CachedEntity *ent, int hitbox, CUserCmd *cmd);
bool IsProjectileCrit(CachedEntity *ent);

QAngle VectorToQAngle(Vector in);
Vector QAngleToVector(QAngle in);

bool CanHeadshot();
bool CanShoot();

char GetUpperChar(ButtonCode_t button);
char GetChar(ButtonCode_t button);

bool IsEntityVisiblePenetration(CachedEntity *entity, int hb);

// void RunEnginePrediction(IClientEntity* ent, CUserCmd *ucmd = NULL);
// void StartPrediction(CUserCmd* cmd);
// void EndPrediction();

float RandFloatRange(float min, float max);

bool Developer(CachedEntity *ent);

Vector CalcAngle(Vector src, Vector dst);
void MakeVector(Vector ang, Vector &out);
float GetFov(Vector ang, Vector src, Vector dst);

void ReplaceString(std::string &input, const std::string &what,
                   const std::string &with_what);

std::pair<float, float> ComputeMove(const Vector &a, const Vector &b);
void WalkTo(const Vector &vector);

std::string GetLevelName();

void format_internal(std::stringstream &stream);
template <typename T, typename... Targs>
void format_internal(std::stringstream &stream, T value, Targs... args)
{
    stream << value;
    format_internal(stream, args...);
}
template <typename... Args> std::string format(const Args &... args)
{
    std::stringstream stream;
    format_internal(stream, args...);
    return stream.str();
}

extern const std::string classes[10];
extern const char *powerups[POWERUP_COUNT];