Model.cpp

/*
Copyright (C) 2018,2019,2021,2025 Rodrigo Jose Hernandez Cordoba
 
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
 
http://www.apache.org/licenses/LICENSE-2.0
 
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
#include <mutex>
#include "aeongames/ProtoBufClasses.hpp"
#include "aeongames/ProtoBufHelpers.hpp"
#include "aeongames/Node.hpp"
#include "aeongames/Mesh.hpp"
#include "aeongames/Pipeline.hpp"
#include "aeongames/Material.hpp"
#include "aeongames/Skeleton.hpp"
#include "aeongames/Animation.hpp"
#include "aeongames/Utilities.hpp"
#include "aeongames/ProtoBufHelpers.hpp"
#include "aeongames/ProtoBufUtils.hpp"
#include "aeongames/CRC.hpp"
#include "aeongames/AeonEngine.hpp"
#include "aeongames/ResourceCache.hpp"
#include "aeongames/Renderer.hpp"
#include "aeongames/Model.hpp"
#ifdef _MSC_VER
#pragma warning( push )
#pragma warning( disable : PROTOBUF_WARNINGS )
#endif
#include "model.pb.h"
#ifdef _MSC_VER
#pragma warning( pop )
#endif
 
namespace AeonGames
{
    Model::Model()
        = default;
    Model::~Model()
        = default;
 
    void Model::LoadFromMemory ( const void* aBuffer, size_t aBufferSize )
    {
        LoadFromProtoBufObject<Model, ModelMsg, "AEONMDL"_mgk> ( *this, aBuffer, aBufferSize );
    }
 
    void Model::LoadFromPBMsg ( const ModelMsg& aModelMsg )
    {
        ResourceId default_pipeline{};
        ResourceId default_material{};
 
        // Default Pipeline ---------------------------------------------------------------------
        if ( aModelMsg.has_default_pipeline() )
        {
            default_pipeline = {"Pipeline"_crc32, GetReferenceMsgId ( aModelMsg.default_pipeline() ) } ;
            default_pipeline.Store();
        }
 
        // Default Material ---------------------------------------------------------------------
        if ( aModelMsg.has_default_material() )
        {
            default_material = {"Material"_crc32, GetReferenceMsgId ( aModelMsg.default_material() ) } ;
            default_material.Store();
        }
 
        // Skeleton -----------------------------------------------------------------------------
        if ( aModelMsg.has_skeleton() )
        {
            mSkeleton = { "Skeleton"_crc32, GetReferenceMsgId ( aModelMsg.skeleton() ) };
            mSkeleton.Store();
        }
        // Meshes -----------------------------------------------------------------------------
        mAssemblies.reserve ( aModelMsg.assembly_size() );
        for ( auto& assembly : aModelMsg.assembly() )
        {
            ResourceId mesh{};
            ResourceId pipeline{default_pipeline};
            ResourceId material{default_material};
 
            if ( assembly.has_mesh() )
            {
                mesh = {"Mesh"_crc32, GetReferenceMsgId ( assembly.mesh() ) } ;
                mesh.Store();
            }
 
            if ( assembly.has_pipeline() )
            {
                pipeline = {"Pipeline"_crc32, GetReferenceMsgId ( assembly.pipeline() ) } ;
                pipeline.Store();
            }
 
            if ( assembly.has_material() )
            {
                material = {"Material"_crc32, GetReferenceMsgId ( assembly.material() ) } ;
                material.Store();
            }
            mAssemblies.emplace_back ( mesh, pipeline, material );
        }
        // Animations -----------------------------------------------------------------------------
        mAnimations.reserve ( aModelMsg.animation_size() );
        for ( auto& animation : aModelMsg.animation() )
        {
            mAnimations.emplace_back ( ResourceId{"Animation"_crc32, GetReferenceMsgId ( animation ) } ).Store();
        }
    }
 
    void Model::Unload()
    {
        mAssemblies.clear();
        mAnimations.clear();
    }
 
    const std::vector<Model::Assembly>& Model::GetAssemblies() const
    {
        return mAssemblies;
    }
 
    const Skeleton* Model::GetSkeleton() const
    {
        return mSkeleton.Cast<Skeleton>();
    }
 
    const std::vector<ResourceId>& Model::GetAnimations() const
    {
        return mAnimations;
    }
 
    void Model::LoadRendererResources ( Renderer& aRenderer ) const
    {
        for ( const auto& i : mAssemblies )
        {
            aRenderer.LoadMesh ( *std::get<0> ( i ).Cast<Mesh>() );
            aRenderer.LoadPipeline ( *std::get<1> ( i ).Cast<Pipeline>() );
            aRenderer.LoadMaterial ( *std::get<2> ( i ).Cast<Material>() );
        }
    }
 
    void Model::UnloadRendererResources ( Renderer& aRenderer ) const
    {
        for ( const auto& i : mAssemblies )
        {
            aRenderer.UnloadMesh ( *std::get<0> ( i ).Cast<Mesh>() );
            aRenderer.UnloadPipeline ( *std::get<1> ( i ).Cast<Pipeline>() );
            aRenderer.UnloadMaterial ( *std::get<2> ( i ).Cast<Material>() );
        }
    }
}