4jcraft/Minecraft.World/Entities/FlyingMob.cpp

#include "../Platform/stdafx.h"
#include "../Headers/net.minecraft.world.level.h"
#include "../Headers/net.minecraft.world.level.tile.h"
#include "../Headers/net.minecraft.world.phys.h"
#include "FlyingMob.h"

FlyingMob::FlyingMob(Level* level) : Mob(level) {}

void FlyingMob::causeFallDamage(float distance) {
    // this method is empty because flying creatures should
    // not trigger the "fallOn" tile calls (such as trampling crops)
}

void FlyingMob::checkFallDamage(double ya, bool onGround) {
    // this method is empty because flying creatures should
    // not trigger the "fallOn" tile calls (such as trampling crops)
}

void FlyingMob::travel(float xa, float ya) {
    if (isInWater()) {
        moveRelative(xa, ya, 0.02f);
        move(xd, yd, zd);

        xd *= 0.80f;
        yd *= 0.80f;
        zd *= 0.80f;
    } else if (isInLava()) {
        moveRelative(xa, ya, 0.02f);
        move(xd, yd, zd);
        xd *= 0.50f;
        yd *= 0.50f;
        zd *= 0.50f;
    } else {
        float friction = 0.91f;
        if (onGround) {
            friction = 0.6f * 0.91f;
            int t = level->getTile(Mth::floor(x), Mth::floor(bb->y0) - 1,
                                   Mth::floor(z));
            if (t > 0) {
                friction = Tile::tiles[t]->friction * 0.91f;
            }
        }

        float friction2 = (0.6f * 0.6f * 0.91f * 0.91f * 0.6f * 0.91f) /
                          (friction * friction * friction);
        moveRelative(xa, ya, (onGround ? 0.1f * friction2 : 0.02f));

        friction = 0.91f;
        if (onGround) {
            friction = 0.6f * 0.91f;
            int t = level->getTile(Mth::floor(x), Mth::floor(bb->y0) - 1,
                                   Mth::floor(z));
            if (t > 0) {
                friction = Tile::tiles[t]->friction * 0.91f;
            }
        }

        move(xd, yd, zd);

        xd *= friction;
        yd *= friction;
        zd *= friction;
    }
    walkAnimSpeedO = walkAnimSpeed;
    double xxd = x - xo;
    double zzd = z - zo;
    float wst = (float)sqrt(xxd * xxd + zzd * zzd) * 4;
    if (wst > 1) wst = 1;
    walkAnimSpeed += (wst - walkAnimSpeed) * 0.4f;
    walkAnimPos += walkAnimSpeed;
}

bool FlyingMob::onLadder() { return false; }