blueprintmanager.h

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#pragma once
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
#include "core/refcounted.h"
#include "core/singleton.h"
#include "game/manager.h"
#include "util/stringatom.h"
#include "game/api.h"
#include "ids/idgenerationpool.h"
 
namespace Game
{
 
class World;
 
class BlueprintManager
{
    __DeclareSingleton(BlueprintManager);
public:
    struct Template
    {
        BlueprintId bid;
        MemDb::RowId row; // row in blueprint table
        Util::StringAtom name;
    };
 
    static ManagerAPI Create();
    static void Destroy();
    static void SetBlueprintsFilename(const Util::String& name, const Util::String& folder);
    static BlueprintId const GetBlueprintId(Util::StringAtom name);
    static TemplateId const GetTemplateId(Util::StringAtom name);
    static Util::StringAtom const GetTemplateName(TemplateId const templateId);
    static Util::Array<Template> const& ListTemplates();
 
    EntityMapping Instantiate(World* const world, BlueprintId blueprint);
    EntityMapping Instantiate(World* const world, TemplateId templateId);
 
private:
    BlueprintManager();
    ~BlueprintManager();
 
    static void OnActivate();
 
    bool ParseBlueprint(Util::String const& blueprintsPath);
    bool LoadTemplateFolder(Util::String const& path);
    bool ParseTemplate(Util::String const& templatePath);
    void SetupBlueprints();
    MemDb::TableId CreateCategory(World* const world, BlueprintId bid);
 
    struct ComponentEntry
    {
        Util::StringAtom name;
    };
 
    struct Blueprint
    {
        // this is setup when calling SetupCategories
        MemDb::TableId tableId;
        // these are created by ParseBlueprints()
        Util::StringAtom name;
        Util::Array<ComponentEntry> components;
    };
 
    Util::Array<Template> templates;
 
    Util::Array<Blueprint> blueprints;
 
    Ids::IdGenerationPool templateIdPool;
 
    Util::HashTable<Util::StringAtom, TemplateId> templateMap;
 
    Util::HashTable<Util::StringAtom, BlueprintId> blueprintMap;
 
    static Util::String blueprintFolder;
    static Util::String templatesFolder;
};
 
} // namespace Game