wings-loader.cpp

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/*
 * Copyright (C) 2023  Christopher J. Howard
 *
 * This file is part of Antkeeper source code.
 *
 * Antkeeper source code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Antkeeper source code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Antkeeper source code.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "game/ant/gene/loader/gene-loader.hpp"
#include <engine/resources/resource-loader.hpp>
#include <engine/resources/resource-manager.hpp>
#include <engine/resources/json.hpp>
#include "game/ant/gene/wings.hpp"
#include <engine/render/model.hpp>
#include <stdexcept>
 
using namespace ::ant;
 
static void deserialize_wings_phene(phene::wings& phene, const json& phene_element, resource_manager* resource_manager)
{
    phene.present = false;
    phene.forewings_model = nullptr;
    phene.hindwings_model = nullptr;
    phene.forewing_length = 0.0f;
    phene.forewing_width = 0.0f;
    phene.forewing_venation = 0.0f;
    phene.hindwing_length = 0.0f;
    phene.hindwing_width = 0.0f;
    phene.hindwing_venation = 0.0f;
    
    // Parse present
    if (auto element = phene_element.find("present"); element != phene_element.end())
        phene.present = element->get<bool>();
    
    if (phene.present)
    {
        // Load forewings model
        if (auto element = phene_element.find("forewings_model"); element != phene_element.end())
            phene.forewings_model = resource_manager->load<render::model>(element->get<std::string>());
        
        // Load hindwings model
        if (auto element = phene_element.find("hindwings_model"); element != phene_element.end())
            phene.hindwings_model = resource_manager->load<render::model>(element->get<std::string>());
        
        // Parse forewing length
        if (auto element = phene_element.find("forewing_length"); element != phene_element.end())
            phene.forewing_length = element->get<float>();
        
        // Parse forewing width
        if (auto element = phene_element.find("forewing_width"); element != phene_element.end())
            phene.forewing_width = element->get<float>();
        
        // Parse forewing venation
        if (auto element = phene_element.find("forewing_venation"); element != phene_element.end())
            phene.forewing_venation = element->get<float>();
        
        // Parse hindwing length
        if (auto element = phene_element.find("hindwing_length"); element != phene_element.end())
            phene.hindwing_length = element->get<float>();
        
        // Parse hindwing width
        if (auto element = phene_element.find("hindwing_width"); element != phene_element.end())
            phene.hindwing_width = element->get<float>();
        
        // Parse hindwing venation
        if (auto element = phene_element.find("hindwing_venation"); element != phene_element.end())
            phene.hindwing_venation = element->get<float>();
    }
}
 
template <>
gene::wings* resource_loader<gene::wings>::load(resource_manager* resource_manager, PHYSFS_File* file, const std::filesystem::path& path)
{
    // Load JSON data
    json* data = resource_loader<json>::load(resource_manager, file, path);
    
    // Validate gene file
    auto wings_element = data->find("wings");
    if (wings_element == data->end())
        throw std::runtime_error("Invalid wings gene.");
    
    // Allocate gene
    gene::wings* wings = new gene::wings();
    
    // Deserialize gene
    gene::deserialize_gene(*wings, &deserialize_wings_phene, *wings_element, resource_manager);
    
    // Free JSON data
    delete data;
    
    return wings;
}