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feat: implement hardcore hearts with game mode lock

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Display hardcore heart textures when a world is in hardcore mode,
matching Java Edition behavior. Hearts switch between normal/hardcore
across all states (poison, wither, flash) and all HUD resolutions.

C++ changes:
- IUIScene_HUD: check isHardcore() and call SetHardcoreMode() each tick
- UIScene_HUD: send hardcore boolean to Flash via Iggy, invalidate
  SetHealth dirty check on state change to force heart redraw
- CreateWorldMenu/LoadMenu: lock game mode to Survival when hardcore
- MinecraftServer: gate server.properties hardcore override behind
  MINECRAFT_SERVER_BUILD so offline worlds preserve their saved flag

SWF changes (via new Java tools):
- AddHardcoreBitmaps: adds 10 hardcore heart bitmaps to graphics SWFs
- AddHardcoreHearts: adds 10 new frames (15-24) to health sprite
- PatchHudABC: patches HUD ActionScript bytecode with SetHardcore
  method and frame offset logic (+14 normal/poison, +6 wither)

Also updates README changelog styling with consistent ### headings.
This commit is contained in:
itsRevela
2026-03-30 13:50:29 -05:00
parent a4f55dde16
commit 3aa2d23fa9
16 changed files with 1538 additions and 30 deletions
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Minecraft.Client/Common/UI/IUIScene_HUD.cpp
+12 -2
View File
@@ -5,6 +5,8 @@
#include "..\..\..\Minecraft.World\net.minecraft.world.item.h"
#include "..\..\..\Minecraft.World\net.minecraft.world.entity.ai.attributes.h"
#include "..\..\..\Minecraft.World\net.minecraft.world.entity.monster.h"
#include "..\..\MultiPlayerLevel.h"
#include "..\..\..\Minecraft.World\LevelData.h"
#include "IUIScene_HUD.h"
#include "UI.h"
@@ -20,6 +22,7 @@ IUIScene_HUD::IUIScene_HUD()
m_lastMaxHealth = 20;
m_lastHealthBlink = false;
m_lastHealthPoison = false;
m_lastHealthHardcore = false;
m_iCurrentFood = -1;
m_lastFoodPoison = false;
m_lastAir = 10;
@@ -94,9 +97,10 @@ void IUIScene_HUD::updateFrameTick()
ShowHealth(false);
ShowFood(false);
ShowAir(false);
ShowArmour(false);
ShowArmour(false);
ShowExpBar(false);
SetHealthAbsorb(0);
SetHealthAbsorb(0);
SetHardcoreMode(false);
}
if(pMinecraft->localplayers[iPad]->isRidingJumpable())
@@ -206,6 +210,12 @@ void IUIScene_HUD::renderPlayerHealth()
// Update armour
int armor = pMinecraft->localplayers[iPad]->getArmorValue();
// Check hardcore mode
bool bHardcore = pMinecraft->level != nullptr
&& pMinecraft->level->getLevelData() != nullptr
&& pMinecraft->level->getLevelData()->isHardcore();
SetHardcoreMode(bHardcore);
SetHealth(currentHealth, oldHealth, blink, bHasPoison || bHasWither, bHasWither);
SetHealthAbsorb(totalAbsorption);