Antkeeper  0.0.1
ant-waist-gene.cpp
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1 /*
2  * Copyright (C) 2023 Christopher J. Howard
3  *
4  * This file is part of Antkeeper source code.
5  *
6  * Antkeeper source code is free software: you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * Antkeeper source code is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
18  */
19 
24 #include <engine/render/model.hpp>
25 
26 namespace {
27 
28 void load_ant_waist_phene(ant_waist_phene& phene, ::resource_manager& resource_manager, deserialize_context& ctx)
29 {
30  std::uint8_t present{0};
31  ctx.read8(reinterpret_cast<std::byte*>(&present), 1);
32  phene.present = static_cast<bool>(present);
33 
34  ctx.read32<std::endian::little>(reinterpret_cast<std::byte*>(&phene.petiole_length), 1);
35  ctx.read32<std::endian::little>(reinterpret_cast<std::byte*>(&phene.petiole_width), 1);
36  ctx.read32<std::endian::little>(reinterpret_cast<std::byte*>(&phene.petiole_height), 1);
37  ctx.read32<std::endian::little>(reinterpret_cast<std::byte*>(&phene.petiole_spinescence), 1);
38 
39  std::uint8_t postpetiole_present{0};
40  ctx.read8(reinterpret_cast<std::byte*>(&postpetiole_present), 1);
41  phene.postpetiole_present = static_cast<bool>(postpetiole_present);
42 
43  ctx.read32<std::endian::little>(reinterpret_cast<std::byte*>(&phene.postpetiole_length), 1);
44  ctx.read32<std::endian::little>(reinterpret_cast<std::byte*>(&phene.postpetiole_width), 1);
45  ctx.read32<std::endian::little>(reinterpret_cast<std::byte*>(&phene.postpetiole_height), 1);
46  ctx.read32<std::endian::little>(reinterpret_cast<std::byte*>(&phene.postpetiole_spinescence), 1);
47 
48  std::uint8_t model_filename_length{0};
49  ctx.read8(reinterpret_cast<std::byte*>(&model_filename_length), 1);
50  std::string model_filename(model_filename_length, '\0');
51  ctx.read8(reinterpret_cast<std::byte*>(model_filename.data()), model_filename_length);
52 
53  if (phene.present)
54  {
55  phene.model = resource_manager.load<render::model>(model_filename);
56  }
57 }
58 
59 } // namespace
60 
61 template <>
63 {
64  std::unique_ptr<ant_waist_gene> gene = std::make_unique<ant_waist_gene>();
65 
66  load_ant_gene(*gene, resource_manager, ctx, &load_ant_waist_phene);
67 
68  return gene;
69 }
void load_ant_gene(ant_gene< T > &gene, resource_manager &resource_manager, deserialize_context &ctx, void(*load_phene)(T &, ::resource_manager &, deserialize_context &))
Loads an ant gene.
static std::unique_ptr< T > load(::resource_manager &resource_manager, deserialize_context &ctx)
Loads a resource.
Manages the loading, caching, and saving of resources.
std::shared_ptr< T > load(const std::filesystem::path &path)
Loads and caches a resource.
Trait that describes the waist (petiole plus postpetiole) of an ant.
float petiole_width
Petiole width, in mesosomal lengths.
float petiole_height
Petiole height, in mesosomal lengths.
float petiole_length
Petiole length, in mesosomal lengths.
Provides access to a deserialization state.
std::size_t read32(std::byte *data, std::size_t count) noexcept(false)
Reads 32-bit (double word) data.
virtual std::size_t read8(std::byte *data, std::size_t count) noexcept(false)=0
Reads 8-bit (byte) data.