CombatText.cs

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using Microsoft.Xna.Framework;
using Terraria.GameContent;
 
namespace Terraria;
 
public class CombatText
{
    public static readonly Color DamagedFriendly = new Color(255, 80, 90, 255);
 
    public static readonly Color DamagedFriendlyCrit = new Color(255, 100, 30, 255);
 
    public static readonly Color DamagedHostile = new Color(255, 160, 80, 255);
 
    public static readonly Color DamagedHostileCrit = new Color(255, 100, 30, 255);
 
    public static readonly Color OthersDamagedHostile = DamagedHostile * 0.4f;
 
    public static readonly Color OthersDamagedHostileCrit = DamagedHostileCrit * 0.4f;
 
    public static readonly Color HealLife = new Color(100, 255, 100, 255);
 
    public static readonly Color HealMana = new Color(100, 100, 255, 255);
 
    public static readonly Color LifeRegen = new Color(255, 60, 70, 255);
 
    public static readonly Color LifeRegenNegative = new Color(255, 140, 40, 255);
 
    public Vector2 position;
 
    public Vector2 velocity;
 
    public float alpha;
 
    public int alphaDir = 1;
 
    public string text = "";
 
    public float scale = 1f;
 
    public float rotation;
 
    public Color color;
 
    public bool active;
 
    public int lifeTime;
 
    public bool crit;
 
    public bool dot;
 
    public static float TargetScale => 1f;
 
    public static int NewText(Rectangle location, Color color, int amount, bool dramatic = false, bool dot = false)
    {
        return NewText(location, color, amount.ToString(), dramatic, dot);
    }
 
    public static int NewText(Rectangle location, Color color, string text, bool dramatic = false, bool dot = false)
    {
        if (Main.netMode == 2)
        {
            return 100;
        }
        for (int i = 0; i < 100; i++)
        {
            if (Main.combatText[i].active)
            {
                continue;
            }
            int num = 0;
            if (dramatic)
            {
                num = 1;
            }
            Vector2 vector = FontAssets.CombatText[num].Value.MeasureString(text);
            Main.combatText[i].alpha = 1f;
            Main.combatText[i].alphaDir = -1;
            Main.combatText[i].active = true;
            Main.combatText[i].scale = 0f;
            Main.combatText[i].rotation = 0f;
            Main.combatText[i].position.X = (float)location.X + (float)location.Width * 0.5f - vector.X * 0.5f;
            Main.combatText[i].position.Y = (float)location.Y + (float)location.Height * 0.25f - vector.Y * 0.5f;
            Main.combatText[i].position.X += Main.rand.Next(-(int)((double)location.Width * 0.5), (int)((double)location.Width * 0.5) + 1);
            Main.combatText[i].position.Y += Main.rand.Next(-(int)((double)location.Height * 0.5), (int)((double)location.Height * 0.5) + 1);
            Main.combatText[i].color = color;
            Main.combatText[i].text = text;
            Main.combatText[i].velocity.Y = -7f;
            if (Main.player[Main.myPlayer].gravDir == -1f)
            {
                Main.combatText[i].velocity.Y *= -1f;
                Main.combatText[i].position.Y = (float)location.Y + (float)location.Height * 0.75f + vector.Y * 0.5f;
            }
            Main.combatText[i].lifeTime = 60;
            Main.combatText[i].crit = dramatic;
            Main.combatText[i].dot = dot;
            if (dramatic)
            {
                Main.combatText[i].text = text;
                Main.combatText[i].lifeTime *= 2;
                Main.combatText[i].velocity.Y *= 2f;
                Main.combatText[i].velocity.X = (float)Main.rand.Next(-25, 26) * 0.05f;
                Main.combatText[i].rotation = (float)(Main.combatText[i].lifeTime / 2) * 0.002f;
                if (Main.combatText[i].velocity.X < 0f)
                {
                    Main.combatText[i].rotation *= -1f;
                }
            }
            if (dot)
            {
                Main.combatText[i].velocity.Y = -4f;
                Main.combatText[i].lifeTime = 40;
            }
            return i;
        }
        return 100;
    }
 
    public static void clearAll()
    {
        for (int i = 0; i < 100; i++)
        {
            Main.combatText[i].active = false;
        }
    }
 
    public void Update()
    {
        if (!active)
        {
            return;
        }
        float targetScale = TargetScale;
        alpha += (float)alphaDir * 0.05f;
        if ((double)alpha <= 0.6)
        {
            alphaDir = 1;
        }
        if (alpha >= 1f)
        {
            alpha = 1f;
            alphaDir = -1;
        }
        if (dot)
        {
            velocity.Y += 0.15f;
        }
        else
        {
            velocity.Y *= 0.92f;
            if (crit)
            {
                velocity.Y *= 0.92f;
            }
        }
        velocity.X *= 0.93f;
        position += velocity;
        lifeTime--;
        if (lifeTime <= 0)
        {
            scale -= 0.1f * targetScale;
            if ((double)scale < 0.1)
            {
                active = false;
            }
            lifeTime = 0;
            if (crit)
            {
                alphaDir = -1;
                scale += 0.07f * targetScale;
            }
            return;
        }
        if (crit)
        {
            if (velocity.X < 0f)
            {
                rotation += 0.001f;
            }
            else
            {
                rotation -= 0.001f;
            }
        }
        if (dot)
        {
            scale += 0.5f * targetScale;
            if ((double)scale > 0.8 * (double)targetScale)
            {
                scale = 0.8f * targetScale;
            }
            return;
        }
        if (scale < targetScale)
        {
            scale += 0.1f * targetScale;
        }
        if (scale > targetScale)
        {
            scale = targetScale;
        }
    }
 
    public static void UpdateCombatText()
    {
        for (int i = 0; i < 100; i++)
        {
            if (Main.combatText[i].active)
            {
                Main.combatText[i].Update();
            }
        }
    }
}