Add bleeding survival placeholder

Scripts/verify_bleeding_placeholder.py

@@ -0,0 +1,41 @@
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+def require(path: Path, snippet: str) -> None:
+    text = path.read_text(encoding="utf-8")
+    if snippet not in text:
+        raise SystemExit(f"{path.relative_to(ROOT)} missing {snippet!r}")
+
+
+def main() -> None:
+    types = ROOT / "Source" / "AgrarianGame" / "AgrarianTypes.h"
+    header = ROOT / "Source" / "AgrarianGame" / "AgrarianSurvivalComponent.h"
+    source = ROOT / "Source" / "AgrarianGame" / "AgrarianSurvivalComponent.cpp"
+    hud = ROOT / "Source" / "AgrarianGame" / "AgrarianDebugHUD.cpp"
+    controller = ROOT / "Source" / "AgrarianGame" / "AgrarianGamePlayerController.cpp"
+    roadmap = ROOT / "AGRARIAN_DEVELOPMENT_ROADMAP.md"
+
+    require(types, "float BleedingSeverity = 0.0f;")
+    require(header, "float BleedingDamagePerMinute = 2.0f;")
+    require(header, "float BleedingExhaustionPerSecond = 0.04f;")
+    require(header, "void AddBleeding(float Severity);")
+    require(header, "void ReduceBleeding(float Amount);")
+    require(source, "Survival.Health -= BleedingDamagePerMinute * BleedingRatio * Minutes;")
+    require(source, "Survival.Exhaustion += BleedingExhaustionPerSecond * BleedingRatio * DeltaTime;")
+    require(source, "Survival.BleedingSeverity += PositiveSeverity * 0.35f;")
+    require(source, "void UAgrarianSurvivalComponent::AddBleeding")
+    require(source, "void UAgrarianSurvivalComponent::ReduceBleeding")
+    require(source, "Survival.BleedingSeverity = FMath::Clamp(Survival.BleedingSeverity, 0.0f, 100.0f);")
+    require(hud, "Bleeding")
+    require(hud, "Bleed:")
+    require(controller, "Bleeding %.1f")
+    require(roadmap, "[x] Add bleeding placeholder.")
+
+    print("PASS: bleeding placeholder is present.")
+
+
+if __name__ == "__main__":
+    main()