public static void DrawHealthBars(SpriteBatch spriteBatch)
{
// Reset static vars such as collective healthbars
HealthBar.ResetStaticVars();
// The bottom of thhe screen with some offset
int maxYStack = (int)(Main.screenHeight * (1f - Config.HealthBarUIMaxStackSize));
int stackY = Main.screenHeight - Config.HealthBarUIScreenOffset;
foreach (NPC npc in TrackedNPCs.Keys)
{
// Get the healthbar for this tracked NPC
HealthBar hb = BossDisplayInfo.GetHealthBarForNPCOrNull(npc.type);
if (hb == null)
{
hb = new HealthBar();
}
stackY = hb.DrawHealthBarDefault(
spriteBatch, GetAlpha(npc), stackY, maxYStack,
npc.life, npc.lifeMax, npc);
if (stackY < maxYStack - Config.HealthBarUIMaxStackSize)
{
break;
}
}
}
private static void RemoveTrackedNPC(NPC npc)
{
// First check if it's a multi-bar NPC
HealthBar hb = BossDisplayInfo.GetHealthBarForNPCOrNull(npc.type);
int fadeTime = Config.HealthBarUIFadeTime - TrackedNPCs[npc];
if (hb != null)
{
if (hb.DisplayMode == HealthBar.DisplayType.Multiple && hb.multiShowCount > 1)
{
// Just remove it if there's more than 1 left
TrackedNPCs.Remove(npc);
return;
}
}
// Make a temp copy that won't be changing
// Do this to keep info of dead NPCs for a while
// Also, if fade time is 1 or less, just skip this.
if (fadeTime > 1)
{
NPC temp = new NPC();
temp = (NPC)npc.Clone();
temp.whoAmI = -1 - npc.whoAmI;
if (temp.life <= 0 || (temp.dontTakeDamage && npc.life == npc.lifeMax))
{
temp.life = 0;
}
TrackedNPCs.Add(temp, -fadeTime - 1);
}
TrackedNPCs.Remove(npc);
if (DEBUG_TRACKER)
{
Main.NewText(npc.GivenOrTypeName + " [" + npc.whoAmI + "] removed");
}
}
public static bool CanTrackNPCHealth(NPC npc)
{
// Cannot track non-active entities
if (!npc.active)
{
return(false);
}
if (npc.timeLeft <= 0)
{
return(false);
}
if (npc.life <= 0)
{
return(false);
}
// Don't track NPCs which are part of a shared life chain (except the head of course)
if (npc.realLife >= 0 && npc.realLife != npc.whoAmI)
{
return(false);
}
// Too far away to bother showing a health bar
bool tooFar = (npc.position.X <Main.LocalPlayer.position.X - Config.HealthBarDrawDistance ||
npc.position.X> Main.LocalPlayer.position.X + Config.HealthBarDrawDistance ||
npc.position.Y <Main.LocalPlayer.position.Y - Config.HealthBarDrawDistance ||
npc.position.Y> Main.LocalPlayer.position.Y + Config.HealthBarDrawDistance);
HealthBar hb = BossDisplayInfo.GetHealthBarForNPCOrNull(npc.type);
if (hb != null)
{
if (hb.DisplayMode == HealthBar.DisplayType.Disabled ||
hb.HideHealthBarOverride(npc, tooFar))
{
return(false);
}
if (hb.ShowHealthBarOverride(npc, tooFar))
{
return(true);
}
}
// Cannot track npcs without a health bar
if (npc.immortal || npc.dontTakeDamage || npc.dontTakeDamageFromHostiles || tooFar)
{
return(false);
}
// The modded NPC doesn't want to show health?
if (npc.modNPC != null)
{
float scale = 1f;
Vector2 position = new Vector2(npc.position.X + npc.width / 2, npc.position.Y + npc.gfxOffY);
bool? result = npc.modNPC.DrawHealthBar(Main.HealthBarDrawSettings, ref scale, ref position);
if (result == false)
{
return(false);
}
}
// Someone has specified a healthbar for this NPC?
if (hb != null)
{
return(true);
}
// Otherwise if it's a boss then also sure
if (npc.boss)
{
return(true);
}
return(false);
}
