Add MVP crafting HUD

Scripts/setup_agrarian_player_blueprints.py

@@ -10,6 +10,17 @@ DEST_CHARACTER = f"{DEST_ROOT}/BP_AgrarianPlayerCharacter"
 DEST_CONTROLLER = f"{DEST_ROOT}/BP_AgrarianPlayerController"
 DEST_GAME_MODE = f"{DEST_ROOT}/BP_AgrarianGameMode"
 
+KNOWN_RECIPE_ASSETS = [
+    "/Game/Agrarian/DataAssets/Recipes/DA_Recipe_Campfire",
+    "/Game/Agrarian/DataAssets/Recipes/DA_Recipe_PrimitiveFrame",
+    "/Game/Agrarian/DataAssets/Recipes/DA_Recipe_PrimitiveWallPanel",
+    "/Game/Agrarian/DataAssets/Recipes/DA_Recipe_PrimitiveRoofPanel",
+    "/Game/Agrarian/DataAssets/Recipes/DA_Recipe_PrimitiveShelter",
+    "/Game/Agrarian/DataAssets/Recipes/DA_Recipe_BasicTool",
+    "/Game/Agrarian/DataAssets/Recipes/DA_Recipe_SimpleContainer",
+    "/Game/Agrarian/DataAssets/Recipes/DA_Recipe_Bandage",
+]
+
 
 def ensure_directory(path):
     if not unreal.EditorAssetLibrary.does_directory_exist(path):
@@ -40,6 +51,13 @@ def load_blueprint_class(path):
     return generated_class
 
 
+def load_required_asset(path):
+    asset = unreal.EditorAssetLibrary.load_asset(path)
+    if not asset:
+        raise RuntimeError(f"Required asset not found: {path}")
+    return asset
+
+
 def main():
     ensure_directory(DEST_ROOT)
 
@@ -49,11 +67,21 @@ def main():
 
     character_class = load_blueprint_class(DEST_CHARACTER)
     controller_class = load_blueprint_class(DEST_CONTROLLER)
+    character_cdo = unreal.get_default_object(character_class)
     game_mode_cdo = unreal.get_default_object(game_mode_bp.generated_class())
 
     game_mode_cdo.set_editor_property("default_pawn_class", character_class)
     game_mode_cdo.set_editor_property("player_controller_class", controller_class)
 
+    crafting_component = character_cdo.get_editor_property("crafting_component")
+    if not crafting_component:
+        raise RuntimeError("BP_AgrarianPlayerCharacter is missing CraftingComponent")
+    crafting_component.set_editor_property(
+        "known_recipe_assets",
+        [load_required_asset(path) for path in KNOWN_RECIPE_ASSETS],
+    )
+
+    unreal.BlueprintEditorLibrary.compile_blueprint(character_bp)
     unreal.EditorAssetLibrary.save_loaded_asset(character_bp)
     unreal.EditorAssetLibrary.save_loaded_asset(controller_bp)
     unreal.EditorAssetLibrary.save_loaded_asset(game_mode_bp)

Scripts/verify_agrarian_player_blueprints.py

@@ -4,6 +4,16 @@ import unreal
 CHARACTER_BLUEPRINT_PATH = "/Game/Agrarian/Blueprints/Characters/BP_AgrarianPlayerCharacter"
 CONTROLLER_BLUEPRINT_PATH = "/Game/Agrarian/Blueprints/Characters/BP_AgrarianPlayerController"
 GAME_MODE_BLUEPRINT_PATH = "/Game/Agrarian/Blueprints/Characters/BP_AgrarianGameMode"
+EXPECTED_RECIPE_IDS = [
+    "campfire",
+    "primitive_frame",
+    "primitive_wall_panel",
+    "primitive_roof_panel",
+    "primitive_shelter",
+    "basic_tool",
+    "simple_container",
+    "bandage",
+]
 
 
 def class_path(value):
@@ -48,6 +58,19 @@ def main():
     character_cdo = unreal.get_default_object(character_class)
     if not character_cdo:
         failures.append(f"{CHARACTER_BLUEPRINT_PATH} CDO missing")
+    else:
+        crafting_component = character_cdo.get_editor_property("crafting_component")
+        recipe_assets = crafting_component.get_editor_property("known_recipe_assets") if crafting_component else []
+        recipe_ids = [
+            str(asset.get_editor_property("recipe").get_editor_property("recipe_id"))
+            for asset in recipe_assets
+            if asset
+        ]
+        if recipe_ids != EXPECTED_RECIPE_IDS:
+            failures.append(
+                "BP_AgrarianPlayerCharacter known recipes expected "
+                f"{EXPECTED_RECIPE_IDS}, got {recipe_ids}"
+            )
 
     controller_cdo = unreal.get_default_object(controller_class)
     if not controller_cdo:
@@ -63,4 +86,3 @@ def main():
 
 
 main()
-

Scripts/verify_crafting_ui.py

@@ -0,0 +1,63 @@
+from pathlib import Path
+
+
+ROOT = Path(__file__).resolve().parents[1]
+
+EXPECTED = {
+    ROOT / "Source" / "AgrarianGame" / "AgrarianDebugHUD.h": [
+        "bool bShowCraftingHUD = true;",
+        "int32 MaxCraftingPanelRows = 8;",
+        "void DrawCraftingPanel",
+    ],
+    ROOT / "Source" / "AgrarianGame" / "AgrarianDebugHUD.cpp": [
+        "DrawCraftingPanel(AgrarianCharacter",
+        "CraftingComponent->GetKnownRecipes(Recipes)",
+        "CraftingComponent->CanCraft(Recipe.RecipeId, FailureReason)",
+        "InventoryComponent->GetItemCount(Ingredient.ItemId)",
+        "CRAFTING  %d recipes",
+    ],
+    ROOT / "Source" / "AgrarianGame" / "AgrarianCraftingComponent.h": [
+        "void GetKnownRecipes(TArray<FAgrarianRecipe>& OutRecipes) const;",
+    ],
+    ROOT / "Source" / "AgrarianGame" / "AgrarianCraftingComponent.cpp": [
+        "void UAgrarianCraftingComponent::GetKnownRecipes",
+        "RecipeAsset->Recipe.RecipeId != NAME_None",
+        "OutRecipes.Add(RecipeAsset->Recipe)",
+    ],
+    ROOT / "Scripts" / "setup_agrarian_player_blueprints.py": [
+        "KNOWN_RECIPE_ASSETS",
+        "DA_Recipe_SimpleContainer",
+        "known_recipe_assets",
+    ],
+    ROOT / "Scripts" / "verify_agrarian_player_blueprints.py": [
+        "EXPECTED_RECIPE_IDS",
+        "simple_container",
+        "known_recipe_assets",
+    ],
+    ROOT / "Docs" / "TechnicalDesignDocument.md": [
+        "The MVP crafting UI is a compact `AAgrarianDebugHUD` crafting panel",
+        "`KnownRecipeAssets`",
+    ],
+    ROOT / "AGRARIAN_DEVELOPMENT_ROADMAP.md": [
+        "- [x] Add crafting UI.",
+        "compact crafting HUD panel",
+    ],
+}
+
+
+def main():
+    missing = []
+    for path, snippets in EXPECTED.items():
+        text = path.read_text(encoding="utf-8")
+        for snippet in snippets:
+            if snippet not in text:
+                missing.append(f"{path.relative_to(ROOT)} missing {snippet!r}")
+
+    if missing:
+        raise RuntimeError("Crafting UI verification failed: " + "; ".join(missing))
+
+    print("PASS: crafting UI HUD panel and known recipe wiring are present.")
+
+
+if __name__ == "__main__":
+    main()