💿🐜 Antkeeper source code https://antkeeper.com
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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/ant-morphogenesis.hpp"
#include <engine/render/material.hpp>
#include <engine/render/vertex-attribute.hpp>
#include <engine/math/transform-operators.hpp>
#include <engine/math/quaternion.hpp>
#include <engine/debug/log.hpp>
#include <engine/geom/primitives/box.hpp>
#include <unordered_set>
namespace {
/// Set of pointers to all possible ant skeleton bones.
struct ant_bone_set
{
::bone* mesosoma{nullptr};
::bone* procoxa_l{nullptr};
::bone* profemur_l{nullptr};
::bone* protibia_l{nullptr};
::bone* protarsus_l{nullptr};
::bone* procoxa_r{nullptr};
::bone* profemur_r{nullptr};
::bone* protibia_r{nullptr};
::bone* protarsus_r{nullptr};
::bone* mesocoxa_l{nullptr};
::bone* mesofemur_l{nullptr};
::bone* mesotibia_l{nullptr};
::bone* mesotarsus_l{nullptr};
::bone* mesocoxa_r{nullptr};
::bone* mesofemur_r{nullptr};
::bone* mesotibia_r{nullptr};
::bone* mesotarsus_r{nullptr};
::bone* metacoxa_l{nullptr};
::bone* metafemur_l{nullptr};
::bone* metatibia_l{nullptr};
::bone* metatarsus_l{nullptr};
::bone* metacoxa_r{nullptr};
::bone* metafemur_r{nullptr};
::bone* metatibia_r{nullptr};
::bone* metatarsus_r{nullptr};
::bone* head{nullptr};
::bone* mandible_l{nullptr};
::bone* mandible_r{nullptr};
::bone* antennomere1_l{nullptr};
::bone* antennomere2_l{nullptr};
::bone* antennomere1_r{nullptr};
::bone* antennomere2_r{nullptr};
::bone* petiole{nullptr};
::bone* postpetiole{nullptr};
::bone* gaster{nullptr};
::bone* sting{nullptr};
::bone* forewing_l{nullptr};
::bone* forewing_r{nullptr};
::bone* hindwing_l{nullptr};
::bone* hindwing_r{nullptr};
};
/**
* Reskins model vertices.
*
* @param vertex_data Vertex buffer data.
* @param vertex_count Number of vertices to reskin.
* @param position_attribute Vertex position attribute.
* @param normal_attribute Vertex normal attribute.
* @param tangent_attribute Vertex tangent attribute.
* @param bone_index_attribute Vertex bone index attribute.
* @param reskin_map Map of old bone index to a tuple containing the new bone index and a vertex transformation.
*/
void reskin_vertices
(
std::byte* vertex_data,
std::size_t vertex_count,
const gl::vertex_attribute& position_attribute,
const gl::vertex_attribute& normal_attribute,
const gl::vertex_attribute& tangent_attribute,
const gl::vertex_attribute& bone_index_attribute,
const std::unordered_map<std::uint16_t, std::tuple<std::uint16_t, const math::transform<float>*>>& reskin_map
)
{
std::byte* position_data = vertex_data + position_attribute.offset;
std::byte* normal_data = vertex_data + normal_attribute.offset;
std::byte* tangent_data = vertex_data + tangent_attribute.offset;
std::byte* bone_index_data = vertex_data + bone_index_attribute.offset;
for (std::size_t i = 0; i < vertex_count; ++i)
{
// Get bone index of current vertex
std::uint32_t& bone_index = reinterpret_cast<std::uint32_t&>(*(bone_index_data + bone_index_attribute.stride * i));
// Ignore vertices with unmapped bone indices
auto entry = reskin_map.find(static_cast<std::uint16_t>(bone_index));
if (entry == reskin_map.end())
{
continue;
}
const auto& [new_bone_index, transform] = entry->second;
// Update bone index
bone_index = static_cast<std::uint32_t>(new_bone_index);
// Get vertex attributes
float3& position = reinterpret_cast<float3&>(*(position_data + position_attribute.stride * i));
float3& normal = reinterpret_cast<float3&>(*(normal_data + normal_attribute.stride * i));
float3& tangent = reinterpret_cast<float3&>(*(tangent_data + tangent_attribute.stride * i));
// Transform vertex attributes
position = (*transform) * position;
normal = math::normalize(transform->rotation * normal);
tangent = math::normalize(transform->rotation * tangent);
}
}
/**
* Calculates the bounds of vertex data.
*
* @param vertex_data Pointer to vertex data.
* @param vertex_count Number of vertices.
* @param position_attribute Vertex position attribute.
*
* @return Bounds of the vertex data.
*/
[[nodiscard]] geom::box<float> calculate_bounds
(
const std::byte* vertex_data,
std::size_t vertex_count,
const gl::vertex_attribute& position_attribute
)
{
const std::byte* position_data = vertex_data + position_attribute.offset;
geom::box<float> bounds
{
{std::numeric_limits<float>::infinity(), std::numeric_limits<float>::infinity(), std::numeric_limits<float>::infinity()},
{-std::numeric_limits<float>::infinity(), -std::numeric_limits<float>::infinity(), -std::numeric_limits<float>::infinity()}
};
for (std::size_t i = 0; i < vertex_count; ++i)
{
const float3& position = reinterpret_cast<const float3&>(*(position_data + position_attribute.stride * i));
bounds.extend(position);
}
return bounds;
}
/**
* Generates an ant exoskeleton material.
*
* @param pigmentation Ant pigmentation phene.
* @param sculpturing Ant sculpturing phene.
*
* @return Generated ant exoskeleton material.
*/
[[nodiscard]] std::unique_ptr<render::material> generate_ant_exoskeleton_material
(
const ant_pigmentation_phene& pigmentation,
const ant_sculpturing_phene& sculpturing
)
{
// Allocate copy of pigmentation material
std::unique_ptr<render::material> exoskeleton_material = std::make_unique<render::material>(*pigmentation.material);
// Set roughness variable
exoskeleton_material->set_variable("roughness", std::make_shared<render::material_float>(1, sculpturing.roughness));
// Set normal map variable
exoskeleton_material->set_variable("normal_map", std::make_shared<render::material_texture_2d>(1, sculpturing.normal_map));
return exoskeleton_material;
}
/**
* Calculates the number of bones in an ant model skeleton.
*
* @return Ant model skeleton bone count.
*
* Required bones:
*
* * antennomere1_l
* * antennomere1_r
* * antennomere2_l
* * antennomere2_r
* * gaster
* * head
* * mandible_l
* * mandible_r
* * mesocoxa_l
* * mesocoxa_r
* * mesofemur_l
* * mesofemur_r
* * mesosoma
* * mesotarsus_l
* * mesotarsus_r
* * mesotibia_l
* * mesotibia_r
* * metacoxa_l
* * metacoxa_r
* * metafemur_l
* * metafemur_r
* * metatarsus_l
* * metatarsus_r
* * metatibia_l
* * metatibia_r
* * procoxa_l
* * procoxa_r
* * profemur_l
* * profemur_r
* * protarsus_l
* * protarsus_r
* * protibia_l
* * protibia_r
*
* Optional bones:
*
* * forewing_l
* * forewing_r
* * hindwing_l
* * hindwing_r
* * petiole
* * postpetiole
* * sting
*
*/
[[nodiscard]] std::uint16_t count_ant_skeleton_bones(const ant_phenome& phenome) noexcept
{
constexpr std::uint16_t minimum_bone_count = 33;
std::uint16_t bone_count = minimum_bone_count;
if (phenome.waist->petiole_present)
{
bone_count += 1;
}
if (phenome.waist->postpetiole_present)
{
bone_count += 1;
}
if (phenome.sting->present)
{
bone_count += 1;
}
if (phenome.wings->present)
{
bone_count += 4;
}
return bone_count;
}
/**
* Builds an ant model skeleton.
*
* @param[in] phenome Ant phenome.
* @param[out] skeleton Ant model skeleton.
* @param[out] bones Set of ant model skeleton bones.
*/
void build_ant_skeleton(const ant_phenome& phenome, ::skeleton& skeleton, ant_bone_set& bones)
{
// Allocate bones
const std::uint16_t bone_count = count_ant_skeleton_bones(phenome);
skeleton.bones.resize(bone_count);
// Assign bone indices
for (std::uint16_t i = 0; i < bone_count; ++i)
{
skeleton.bones[i] = i;
}
// Construct ant bone set
::bone* current_bone = skeleton.bones.data();
bones.mesosoma = current_bone;
bones.procoxa_l = ++current_bone;
bones.profemur_l = ++current_bone;
bones.protibia_l = ++current_bone;
bones.protarsus_l = ++current_bone;
bones.procoxa_r = ++current_bone;
bones.profemur_r = ++current_bone;
bones.protibia_r = ++current_bone;
bones.protarsus_r = ++current_bone;
bones.mesocoxa_l = ++current_bone;
bones.mesofemur_l = ++current_bone;
bones.mesotibia_l = ++current_bone;
bones.mesotarsus_l = ++current_bone;
bones.mesocoxa_r = ++current_bone;
bones.mesofemur_r = ++current_bone;
bones.mesotibia_r = ++current_bone;
bones.mesotarsus_r = ++current_bone;
bones.metacoxa_l = ++current_bone;
bones.metafemur_l = ++current_bone;
bones.metatibia_l = ++current_bone;
bones.metatarsus_l = ++current_bone;
bones.metacoxa_r = ++current_bone;
bones.metafemur_r = ++current_bone;
bones.metatibia_r = ++current_bone;
bones.metatarsus_r = ++current_bone;
bones.head = ++current_bone;
bones.mandible_l = ++current_bone;
bones.mandible_r = ++current_bone;
bones.antennomere1_l = ++current_bone;
bones.antennomere2_l = ++current_bone;
bones.antennomere1_r = ++current_bone;
bones.antennomere2_r = ++current_bone;
bones.petiole = phenome.waist->petiole_present ? ++current_bone : nullptr;
bones.postpetiole = phenome.waist->postpetiole_present ? ++current_bone : nullptr;
bones.gaster = ++current_bone;
bones.sting = phenome.sting->present ? ++current_bone : nullptr;
bones.forewing_l = phenome.wings->present ? ++current_bone : nullptr;
bones.forewing_r = phenome.wings->present ? ++current_bone : nullptr;
bones.hindwing_l = phenome.wings->present ? ++current_bone : nullptr;
bones.hindwing_r = phenome.wings->present ? ++current_bone : nullptr;
// Assign bone parents
reparent_bone(*bones.mesosoma, *bones.mesosoma);
reparent_bone(*bones.procoxa_l, *bones.mesosoma);
reparent_bone(*bones.profemur_l, *bones.procoxa_l);
reparent_bone(*bones.protibia_l, *bones.profemur_l);
reparent_bone(*bones.protarsus_l, *bones.protibia_l);
reparent_bone(*bones.procoxa_r, *bones.mesosoma);
reparent_bone(*bones.profemur_r, *bones.procoxa_r);
reparent_bone(*bones.protibia_r, *bones.profemur_r);
reparent_bone(*bones.protarsus_r, *bones.protibia_r);
reparent_bone(*bones.mesocoxa_l, *bones.mesosoma);
reparent_bone(*bones.mesofemur_l, *bones.mesocoxa_l);
reparent_bone(*bones.mesotibia_l, *bones.mesofemur_l);
reparent_bone(*bones.mesotarsus_l, *bones.mesotibia_l);
reparent_bone(*bones.mesocoxa_r, *bones.mesosoma);
reparent_bone(*bones.mesofemur_r, *bones.mesocoxa_r);
reparent_bone(*bones.mesotibia_r, *bones.mesofemur_r);
reparent_bone(*bones.mesotarsus_r, *bones.mesotibia_r);
reparent_bone(*bones.metacoxa_l, *bones.mesosoma);
reparent_bone(*bones.metafemur_l, *bones.metacoxa_l);
reparent_bone(*bones.metatibia_l, *bones.metafemur_l);
reparent_bone(*bones.metatarsus_l, *bones.metatibia_l);
reparent_bone(*bones.metacoxa_r, *bones.mesosoma);
reparent_bone(*bones.metafemur_r, *bones.metacoxa_r);
reparent_bone(*bones.metatibia_r, *bones.metafemur_r);
reparent_bone(*bones.metatarsus_r, *bones.metatibia_r);
reparent_bone(*bones.head, *bones.mesosoma);
reparent_bone(*bones.mandible_l, *bones.head);
reparent_bone(*bones.mandible_r, *bones.head);
reparent_bone(*bones.antennomere1_l, *bones.head);
reparent_bone(*bones.antennomere2_l, *bones.antennomere1_l);
reparent_bone(*bones.antennomere1_r, *bones.head);
reparent_bone(*bones.antennomere2_r, *bones.antennomere1_r);
if (bones.petiole)
{
reparent_bone(*bones.petiole, *bones.mesosoma);
}
if (bones.postpetiole)
{
if (bones.petiole)
{
reparent_bone(*bones.postpetiole, *bones.petiole);
}
else
{
reparent_bone(*bones.postpetiole, *bones.mesosoma);
}
}
if (bones.postpetiole)
{
reparent_bone(*bones.gaster, *bones.postpetiole);
}
else
{
if (bones.petiole)
{
reparent_bone(*bones.gaster, *bones.petiole);
}
else
{
reparent_bone(*bones.gaster, *bones.mesosoma);
}
}
if (bones.sting)
{
reparent_bone(*bones.sting, *bones.gaster);
}
if (bones.forewing_l)
{
reparent_bone(*bones.forewing_l, *bones.mesosoma);
reparent_bone(*bones.forewing_r, *bones.mesosoma);
reparent_bone(*bones.hindwing_l, *bones.mesosoma);
reparent_bone(*bones.hindwing_r, *bones.mesosoma);
}
// Map bone names to bones
skeleton.bone_map["mesosoma"] = *bones.mesosoma;
skeleton.bone_map["procoxa_l"] = *bones.procoxa_l;
skeleton.bone_map["profemur_l"] = *bones.profemur_l;
skeleton.bone_map["protibia_l"] = *bones.protibia_l;
skeleton.bone_map["protarsus_l"] = *bones.protarsus_l;
skeleton.bone_map["procoxa_r"] = *bones.procoxa_r;
skeleton.bone_map["profemur_r"] = *bones.profemur_r;
skeleton.bone_map["protibia_r"] = *bones.protibia_r;
skeleton.bone_map["protarsus_r"] = *bones.protarsus_r;
skeleton.bone_map["mesocoxa_l"] = *bones.mesocoxa_l;
skeleton.bone_map["mesofemur_l"] = *bones.mesofemur_l;
skeleton.bone_map["mesotibia_l"] = *bones.mesotibia_l;
skeleton.bone_map["mesotarsus_l"] = *bones.mesotarsus_l;
skeleton.bone_map["mesocoxa_r"] = *bones.mesocoxa_r;
skeleton.bone_map["mesofemur_r"] = *bones.mesofemur_r;
skeleton.bone_map["mesotibia_r"] = *bones.mesotibia_r;
skeleton.bone_map["mesotarsus_r"] = *bones.mesotarsus_r;
skeleton.bone_map["metacoxa_l"] = *bones.metacoxa_l;
skeleton.bone_map["metafemur_l"] = *bones.metafemur_l;
skeleton.bone_map["metatibia_l"] = *bones.metatibia_l;
skeleton.bone_map["metatarsus_l"] = *bones.metatarsus_l;
skeleton.bone_map["metacoxa_r"] = *bones.metacoxa_r;
skeleton.bone_map["metafemur_r"] = *bones.metafemur_r;
skeleton.bone_map["metatibia_r"] = *bones.metatibia_r;
skeleton.bone_map["metatarsus_r"] = *bones.metatarsus_r;
skeleton.bone_map["head"] = *bones.head;
skeleton.bone_map["mandible_l"] = *bones.mandible_l;
skeleton.bone_map["mandible_r"] = *bones.mandible_r;
skeleton.bone_map["antennomere1_l"] = *bones.antennomere1_l;
skeleton.bone_map["antennomere2_l"] = *bones.antennomere2_l;
skeleton.bone_map["antennomere1_r"] = *bones.antennomere1_r;
skeleton.bone_map["antennomere2_r"] = *bones.antennomere2_r;
if (bones.petiole)
{
skeleton.bone_map["petiole"] = *bones.petiole;
}
if (bones.postpetiole)
{
skeleton.bone_map["postpetiole"] = *bones.postpetiole;
}
skeleton.bone_map["gaster"] = *bones.gaster;
if (bones.sting)
{
skeleton.bone_map["sting"] = *bones.sting;
}
if (bones.forewing_l)
{
skeleton.bone_map["forewing_l"] = *bones.forewing_l;
skeleton.bone_map["forewing_r"] = *bones.forewing_r;
skeleton.bone_map["hindwing_l"] = *bones.hindwing_l;
skeleton.bone_map["hindwing_r"] = *bones.hindwing_r;
}
}
/**
* Builds the bind pose of an ant skeleton.
*
* @param[in] phenome Ant phenome.
* @param[in] bones Set of ant skeleton bones.
* @param[in,out] skeleton Ant skeleton.
* @param[out] bind_pose_ss Skeleton-space bind pose.
*/
void build_ant_bind_pose(const ant_phenome& phenome, const ant_bone_set& bones, ::skeleton& skeleton, ::pose& bind_pose_ss)
{
// Get body part skeletons
const ::skeleton& mesosoma_skeleton = phenome.mesosoma->model->get_skeleton();
const ::skeleton& legs_skeleton = phenome.legs->model->get_skeleton();
const ::skeleton& head_skeleton = phenome.head->model->get_skeleton();
const ::skeleton& mandibles_skeleton = phenome.mandibles->model->get_skeleton();
const ::skeleton& antennae_skeleton = phenome.antennae->model->get_skeleton();
const ::skeleton& waist_skeleton = phenome.waist->model->get_skeleton();
const ::skeleton& gaster_skeleton = phenome.gaster->model->get_skeleton();
const ::skeleton* sting_skeleton = (phenome.sting->present) ? &phenome.sting->model->get_skeleton() : nullptr;
const ::skeleton* forewings_skeleton = (phenome.wings->present) ? &phenome.wings->forewings_model->get_skeleton() : nullptr;
const ::skeleton* hindwings_skeleton = (phenome.wings->present) ? &phenome.wings->hindwings_model->get_skeleton() : nullptr;
// Get reference to skeleton bind pose
pose& bind_pose = skeleton.bind_pose;
// Build skeleton bind pose
bind_pose[*bones.mesosoma] = mesosoma_skeleton.bind_pose.at(mesosoma_skeleton.bone_map.at("mesosoma"));
bind_pose[*bones.procoxa_l] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("procoxa_l"));
bind_pose[*bones.profemur_l] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("profemur_l"));
bind_pose[*bones.protibia_l] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("protibia_l"));
bind_pose[*bones.protarsus_l] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("protarsus1_l"));
bind_pose[*bones.procoxa_r] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("procoxa_r"));
bind_pose[*bones.profemur_r] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("profemur_r"));
bind_pose[*bones.protibia_r] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("protibia_r"));
bind_pose[*bones.protarsus_r] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("protarsus1_r"));
bind_pose[*bones.mesocoxa_l] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("mesocoxa_l"));
bind_pose[*bones.mesofemur_l] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("mesofemur_l"));
bind_pose[*bones.mesotibia_l] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("mesotibia_l"));
bind_pose[*bones.mesotarsus_l] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("mesotarsus1_l"));
bind_pose[*bones.mesocoxa_r] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("mesocoxa_r"));
bind_pose[*bones.mesofemur_r] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("mesofemur_r"));
bind_pose[*bones.mesotibia_r] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("mesotibia_r"));
bind_pose[*bones.mesotarsus_r] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("mesotarsus1_r"));
bind_pose[*bones.metacoxa_l] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("metacoxa_l"));
bind_pose[*bones.metafemur_l] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("metafemur_l"));
bind_pose[*bones.metatibia_l] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("metatibia_l"));
bind_pose[*bones.metatarsus_l] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("metatarsus1_l"));
bind_pose[*bones.metacoxa_r] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("metacoxa_r"));
bind_pose[*bones.metafemur_r] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("metafemur_r"));
bind_pose[*bones.metatibia_r] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("metatibia_r"));
bind_pose[*bones.metatarsus_r] = legs_skeleton.bind_pose.at(legs_skeleton.bone_map.at("metatarsus1_r"));
bind_pose[*bones.head] = mesosoma_skeleton.bind_pose.at(mesosoma_skeleton.bone_map.at("head")) * head_skeleton.bind_pose.at(head_skeleton.bone_map.at("head"));
bind_pose[*bones.mandible_l] = head_skeleton.bind_pose.at(head_skeleton.bone_map.at("mandible_l")) * mandibles_skeleton.bind_pose.at(mandibles_skeleton.bone_map.at("mandible_l"));
bind_pose[*bones.mandible_r] = head_skeleton.bind_pose.at(head_skeleton.bone_map.at("mandible_r")) * mandibles_skeleton.bind_pose.at(mandibles_skeleton.bone_map.at("mandible_r"));
bind_pose[*bones.antennomere1_l] = head_skeleton.bind_pose.at(head_skeleton.bone_map.at("antenna_l")) * antennae_skeleton.bind_pose.at(antennae_skeleton.bone_map.at("antennomere1_l"));
bind_pose[*bones.antennomere2_l] = antennae_skeleton.bind_pose.at(antennae_skeleton.bone_map.at("antennomere2_l"));
bind_pose[*bones.antennomere1_r] = head_skeleton.bind_pose.at(head_skeleton.bone_map.at("antenna_r")) * antennae_skeleton.bind_pose.at(antennae_skeleton.bone_map.at("antennomere1_r"));
bind_pose[*bones.antennomere2_r] = antennae_skeleton.bind_pose.at(antennae_skeleton.bone_map.at("antennomere2_r"));
if (bones.petiole)
{
bind_pose[*bones.petiole] = mesosoma_skeleton.bind_pose.at(mesosoma_skeleton.bone_map.at("petiole")) * waist_skeleton.bind_pose.at(waist_skeleton.bone_map.at("petiole"));
}
if (bones.postpetiole)
{
bind_pose[*bones.postpetiole] = waist_skeleton.bind_pose.at(waist_skeleton.bone_map.at("postpetiole"));
bind_pose[*bones.gaster] = waist_skeleton.bind_pose.at(waist_skeleton.bone_map.at("postpetiole")) * gaster_skeleton.bind_pose.at(gaster_skeleton.bone_map.at("gaster"));
}
else if (bones.petiole)
{
bind_pose[*bones.gaster] = waist_skeleton.bind_pose.at(waist_skeleton.bone_map.at("petiole")) * gaster_skeleton.bind_pose.at(gaster_skeleton.bone_map.at("gaster"));
}
else
{
bind_pose[*bones.gaster] = mesosoma_skeleton.bind_pose.at(mesosoma_skeleton.bone_map.at("petiole")) * gaster_skeleton.bind_pose.at(gaster_skeleton.bone_map.at("gaster"));
}
if (bones.sting)
{
bind_pose[*bones.sting] = gaster_skeleton.bind_pose.at(gaster_skeleton.bone_map.at("sting")) * sting_skeleton->bind_pose.at(sting_skeleton->bone_map.at("sting"));
}
if (bones.forewing_l)
{
bind_pose[*bones.forewing_l] = mesosoma_skeleton.bind_pose.at(mesosoma_skeleton.bone_map.at("forewing_l")) * forewings_skeleton->bind_pose.at(forewings_skeleton->bone_map.at("forewing_l"));
bind_pose[*bones.forewing_r] = mesosoma_skeleton.bind_pose.at(mesosoma_skeleton.bone_map.at("forewing_r")) * forewings_skeleton->bind_pose.at(forewings_skeleton->bone_map.at("forewing_r"));
bind_pose[*bones.hindwing_l] = mesosoma_skeleton.bind_pose.at(mesosoma_skeleton.bone_map.at("hindwing_l")) * hindwings_skeleton->bind_pose.at(hindwings_skeleton->bone_map.at("hindwing_l"));
bind_pose[*bones.hindwing_r] = mesosoma_skeleton.bind_pose.at(mesosoma_skeleton.bone_map.at("hindwing_r")) * hindwings_skeleton->bind_pose.at(hindwings_skeleton->bone_map.at("hindwing_r"));
}
// Calculate the skeleton-space bind pose
::concatenate(bind_pose, bind_pose_ss);
// Calculate inverse skeleton-space bind pose
::inverse(bind_pose_ss, skeleton.inverse_bind_pose);
}
} // namespace
std::unique_ptr<render::model> ant_morphogenesis(const ant_phenome& phenome)
{
// Generate exoskeleton material
std::shared_ptr<render::material> exoskeleton_material = generate_ant_exoskeleton_material(*phenome.pigmentation, *phenome.sculpturing);
// Get body part models
const render::model* mesosoma_model = phenome.mesosoma->model.get();
const render::model* legs_model = phenome.legs->model.get();
const render::model* head_model = phenome.head->model.get();
const render::model* mandibles_model = phenome.mandibles->model.get();
const render::model* antennae_model = phenome.antennae->model.get();
const render::model* waist_model = phenome.waist->model.get();
const render::model* gaster_model = phenome.gaster->model.get();
const render::model* sting_model = phenome.sting->model.get();
const render::model* eyes_model = phenome.eyes->model.get();
const render::model* lateral_ocelli_model = phenome.ocelli->lateral_ocelli_model.get();
const render::model* median_ocellus_model = phenome.ocelli->median_ocellus_model.get();
const render::model* forewings_model = phenome.wings->forewings_model.get();
const render::model* hindwings_model = phenome.wings->hindwings_model.get();
// Check for presence of required part models
if (!mesosoma_model)
{
throw std::runtime_error("Ant phenome missing mesosoma model");
}
if (!legs_model)
{
throw std::runtime_error("Ant phenome missing legs model");
}
if (!head_model)
{
throw std::runtime_error("Ant phenome missing head model");
}
if (!mandibles_model)
{
throw std::runtime_error("Ant phenome missing mandibles model");
}
if (!antennae_model)
{
throw std::runtime_error("Ant phenome missing antennae model");
}
if (!waist_model)
{
throw std::runtime_error("Ant phenome missing waist model");
}
if (!gaster_model)
{
throw std::runtime_error("Ant phenome missing gaster model");
}
if (phenome.sting->present && !sting_model)
{
throw std::runtime_error("Ant phenome missing sting model");
}
if (phenome.eyes->present && !eyes_model)
{
throw std::runtime_error("Ant phenome missing eyes model");
}
if (phenome.ocelli->lateral_ocelli_present && !lateral_ocelli_model)
{
throw std::runtime_error("Ant phenome missing lateral ocelli model");
}
if (phenome.ocelli->median_ocellus_present && !median_ocellus_model)
{
throw std::runtime_error("Ant phenome missing median ocellus model");
}
if (phenome.wings->present)
{
if (!forewings_model)
{
throw std::runtime_error("Ant phenome missing forewings model");
}
if (!hindwings_model)
{
throw std::runtime_error("Ant phenome missing hindwings model");
}
}
// Get body part vertex buffers
const gl::vertex_buffer* mesosoma_vbo = mesosoma_model->get_vertex_buffer().get();
const gl::vertex_buffer* legs_vbo = legs_model->get_vertex_buffer().get();
const gl::vertex_buffer* head_vbo = head_model->get_vertex_buffer().get();
const gl::vertex_buffer* mandibles_vbo = mandibles_model->get_vertex_buffer().get();
const gl::vertex_buffer* antennae_vbo = antennae_model->get_vertex_buffer().get();
const gl::vertex_buffer* waist_vbo = waist_model->get_vertex_buffer().get();
const gl::vertex_buffer* gaster_vbo = gaster_model->get_vertex_buffer().get();
const gl::vertex_buffer* sting_vbo = (phenome.sting->present) ? sting_model->get_vertex_buffer().get() : nullptr;
const gl::vertex_buffer* eyes_vbo = (phenome.eyes->present) ? eyes_model->get_vertex_buffer().get() : nullptr;
const gl::vertex_buffer* lateral_ocelli_vbo = (phenome.ocelli->lateral_ocelli_present) ? lateral_ocelli_model->get_vertex_buffer().get() : nullptr;
const gl::vertex_buffer* median_ocellus_vbo = (phenome.ocelli->median_ocellus_present) ? median_ocellus_model->get_vertex_buffer().get() : nullptr;
const gl::vertex_buffer* forewings_vbo = (phenome.wings->present) ? forewings_model->get_vertex_buffer().get() : nullptr;
const gl::vertex_buffer* hindwings_vbo = (phenome.wings->present) ? hindwings_model->get_vertex_buffer().get() : nullptr;
// Determine combined size of vertex buffers and save offsets
std::size_t vertex_buffer_size = 0;
const std::size_t mesosoma_vbo_offset = vertex_buffer_size;
vertex_buffer_size += mesosoma_vbo->size();
const std::size_t legs_vbo_offset = vertex_buffer_size;
vertex_buffer_size += legs_vbo->size();
const std::size_t head_vbo_offset = vertex_buffer_size;
vertex_buffer_size += head_vbo->size();
const std::size_t mandibles_vbo_offset = vertex_buffer_size;
vertex_buffer_size += mandibles_vbo->size();
const std::size_t antennae_vbo_offset = vertex_buffer_size;
vertex_buffer_size += antennae_vbo->size();
const std::size_t waist_vbo_offset = vertex_buffer_size;
vertex_buffer_size += waist_vbo->size();
const std::size_t gaster_vbo_offset = vertex_buffer_size;
vertex_buffer_size += gaster_vbo->size();
const std::size_t sting_vbo_offset = vertex_buffer_size;
if (phenome.sting->present)
{
vertex_buffer_size += sting_vbo->size();
}
const std::size_t eyes_vbo_offset = vertex_buffer_size;
if (phenome.eyes->present)
{
vertex_buffer_size += eyes_vbo->size();
}
const std::size_t lateral_ocelli_vbo_offset = vertex_buffer_size;
if (phenome.ocelli->lateral_ocelli_present)
{
vertex_buffer_size += lateral_ocelli_vbo->size();
}
const std::size_t median_ocellus_vbo_offset = vertex_buffer_size;
if (phenome.ocelli->median_ocellus_present)
{
vertex_buffer_size += median_ocellus_vbo->size();
}
std::size_t forewings_vbo_offset;
std::size_t hindwings_vbo_offset;
if (phenome.wings->present)
{
forewings_vbo_offset = vertex_buffer_size;
vertex_buffer_size += forewings_vbo->size();
hindwings_vbo_offset = vertex_buffer_size;
vertex_buffer_size += hindwings_vbo->size();
}
// Allocate combined vertex buffer data
std::vector<std::byte> vertex_buffer_data(vertex_buffer_size);
// Read body part vertex buffer data into combined vertex buffer data
mesosoma_vbo->read({vertex_buffer_data.data() + mesosoma_vbo_offset, mesosoma_vbo->size()});
legs_vbo->read({vertex_buffer_data.data() + legs_vbo_offset, legs_vbo->size()});
head_vbo->read({vertex_buffer_data.data() + head_vbo_offset, head_vbo->size()});
mandibles_vbo->read({vertex_buffer_data.data() + mandibles_vbo_offset, mandibles_vbo->size()});
antennae_vbo->read({vertex_buffer_data.data() + antennae_vbo_offset, antennae_vbo->size()});
waist_vbo->read({vertex_buffer_data.data() + waist_vbo_offset, waist_vbo->size()});
gaster_vbo->read({vertex_buffer_data.data() + gaster_vbo_offset, gaster_vbo->size()});
if (phenome.sting->present)
{
sting_vbo->read({vertex_buffer_data.data() + sting_vbo_offset, sting_vbo->size()});
}
if (phenome.eyes->present)
{
eyes_vbo->read({vertex_buffer_data.data() + eyes_vbo_offset, eyes_vbo->size()});
}
if (phenome.ocelli->lateral_ocelli_present)
{
lateral_ocelli_vbo->read({vertex_buffer_data.data() + lateral_ocelli_vbo_offset, lateral_ocelli_vbo->size()});
}
if (phenome.ocelli->median_ocellus_present)
{
median_ocellus_vbo->read({vertex_buffer_data.data() + median_ocellus_vbo_offset, median_ocellus_vbo->size()});
}
if (phenome.wings->present)
{
forewings_vbo->read({vertex_buffer_data.data() + forewings_vbo_offset, forewings_vbo->size()});
hindwings_vbo->read({vertex_buffer_data.data() + hindwings_vbo_offset, hindwings_vbo->size()});
}
// Allocate model
std::unique_ptr<render::model> model = std::make_unique<render::model>();
// Setup model VAO
gl::vertex_array& model_vao = *model->get_vertex_array();
for (auto [location, attribute]: mesosoma_model->get_vertex_array()->attributes())
{
attribute.buffer = model->get_vertex_buffer().get();
model_vao.bind(location, attribute);
}
// Get vertex attributes
const gl::vertex_attribute* position_attribute = nullptr;
const gl::vertex_attribute* normal_attribute = nullptr;
const gl::vertex_attribute* tangent_attribute = nullptr;
const gl::vertex_attribute* bone_index_attribute = nullptr;
const auto& vertex_attribute_map = model_vao.attributes();
if (auto it = vertex_attribute_map.find(render::vertex_attribute::position); it != vertex_attribute_map.end())
{
position_attribute = &it->second;
}
if (auto it = vertex_attribute_map.find(render::vertex_attribute::normal); it != vertex_attribute_map.end())
{
normal_attribute = &it->second;
}
if (auto it = vertex_attribute_map.find(render::vertex_attribute::tangent); it != vertex_attribute_map.end())
{
tangent_attribute = &it->second;
}
if (auto it = vertex_attribute_map.find(render::vertex_attribute::bone_index); it != vertex_attribute_map.end())
{
bone_index_attribute = &it->second;
}
// Build ant skeleton
::skeleton& skeleton = model->get_skeleton();
ant_bone_set bones;
build_ant_skeleton(phenome, skeleton, bones);
// Build ant bind pose
pose bind_pose_ss;
build_ant_bind_pose(phenome, bones, skeleton, bind_pose_ss);
// Get number of vertices for each body part
const std::uint32_t mesosoma_vertex_count = (mesosoma_model->get_groups()).front().index_count;
const std::uint32_t legs_vertex_count = (legs_model->get_groups()).front().index_count;
const std::uint32_t head_vertex_count = (head_model->get_groups()).front().index_count;
const std::uint32_t mandibles_vertex_count = (mandibles_model->get_groups()).front().index_count;
const std::uint32_t antennae_vertex_count = (antennae_model->get_groups()).front().index_count;
const std::uint32_t waist_vertex_count = (waist_model->get_groups()).front().index_count;
const std::uint32_t gaster_vertex_count = (gaster_model->get_groups()).front().index_count;
const std::uint32_t sting_vertex_count = (phenome.sting->present) ? (sting_model->get_groups()).front().index_count : 0;
const std::uint32_t exoskeleton_vertex_count =
mesosoma_vertex_count +
legs_vertex_count +
head_vertex_count +
mandibles_vertex_count +
antennae_vertex_count +
waist_vertex_count +
gaster_vertex_count +
sting_vertex_count;
const std::uint32_t eyes_vertex_count = (phenome.eyes->present) ? (eyes_model->get_groups()).front().index_count : 0;
const std::uint32_t lateral_ocelli_vertex_count = (phenome.ocelli->lateral_ocelli_present) ? (lateral_ocelli_model->get_groups()).front().index_count : 0;
const std::uint32_t median_ocellus_vertex_count = (phenome.ocelli->median_ocellus_present) ? (median_ocellus_model->get_groups()).front().index_count : 0;
const std::uint32_t forewings_vertex_count = (phenome.wings->present) ? (forewings_model->get_groups()).front().index_count : 0;
const std::uint32_t hindwings_vertex_count = (phenome.wings->present) ? (hindwings_model->get_groups()).front().index_count : 0;
// Get body part skeletons
const ::skeleton& mesosoma_skeleton = phenome.mesosoma->model->get_skeleton();
const ::skeleton& legs_skeleton = phenome.legs->model->get_skeleton();
const ::skeleton& head_skeleton = phenome.head->model->get_skeleton();
const ::skeleton& mandibles_skeleton = phenome.mandibles->model->get_skeleton();
const ::skeleton& antennae_skeleton = phenome.antennae->model->get_skeleton();
const ::skeleton& waist_skeleton = phenome.waist->model->get_skeleton();
const ::skeleton& gaster_skeleton = phenome.gaster->model->get_skeleton();
const ::skeleton* sting_skeleton = (phenome.sting->present) ? &phenome.sting->model->get_skeleton() : nullptr;
const ::skeleton* eyes_skeleton = (phenome.eyes->present) ? &phenome.eyes->model->get_skeleton() : nullptr;
const ::skeleton* lateral_ocelli_skeleton = (phenome.ocelli->lateral_ocelli_present) ? &phenome.ocelli->lateral_ocelli_model->get_skeleton() : nullptr;
const ::skeleton* median_ocellus_skeleton = (phenome.ocelli->median_ocellus_present) ? &phenome.ocelli->median_ocellus_model->get_skeleton() : nullptr;
const ::skeleton* forewings_skeleton = (phenome.wings->present) ? &phenome.wings->forewings_model->get_skeleton() : nullptr;
const ::skeleton* hindwings_skeleton = (phenome.wings->present) ? &phenome.wings->hindwings_model->get_skeleton() : nullptr;
// Calculate transformations from part space to body space
const math::transform<float> legs_to_body = math::transform<float>::identity;
const math::transform<float> head_to_body = bind_pose_ss.at(*bones.mesosoma) * mesosoma_skeleton.bind_pose.at(mesosoma_skeleton.bone_map.at("head"));
const math::transform<float> mandible_l_to_body = bind_pose_ss.at(*bones.head) * head_skeleton.bind_pose.at(head_skeleton.bone_map.at("mandible_l"));
const math::transform<float> mandible_r_to_body = bind_pose_ss.at(*bones.head) * head_skeleton.bind_pose.at(head_skeleton.bone_map.at("mandible_r"));
const math::transform<float> antenna_l_to_body = bind_pose_ss.at(*bones.head) * head_skeleton.bind_pose.at(head_skeleton.bone_map.at("antenna_l"));
const math::transform<float> antenna_r_to_body = bind_pose_ss.at(*bones.head) * head_skeleton.bind_pose.at(head_skeleton.bone_map.at("antenna_r"));
const math::transform<float> waist_to_body = bind_pose_ss.at(*bones.mesosoma) * mesosoma_skeleton.bind_pose.at(mesosoma_skeleton.bone_map.at("petiole"));
math::transform<float> gaster_to_body;
if (phenome.waist->postpetiole_present)
{
gaster_to_body = bind_pose_ss.at(*bones.postpetiole) * waist_skeleton.bind_pose.at(waist_skeleton.bone_map.at("gaster"));
}
else if (phenome.waist->petiole_present)
{
gaster_to_body = bind_pose_ss.at(*bones.petiole) * waist_skeleton.bind_pose.at(waist_skeleton.bone_map.at("gaster"));
}
else
{
gaster_to_body = bind_pose_ss.at(*bones.mesosoma) * waist_skeleton.bind_pose.at(waist_skeleton.bone_map.at("gaster"));
}
math::transform<float> sting_to_body;
if (phenome.sting->present)
{
sting_to_body = gaster_to_body * gaster_skeleton.bind_pose.at(gaster_skeleton.bone_map.at("sting"));
}
math::transform<float> eye_l_to_body;
math::transform<float> eye_r_to_body;
if (phenome.eyes->present)
{
eye_l_to_body = bind_pose_ss.at(*bones.head) * head_skeleton.bind_pose.at(head_skeleton.bone_map.at("eye_l"));
eye_r_to_body = bind_pose_ss.at(*bones.head) * head_skeleton.bind_pose.at(head_skeleton.bone_map.at("eye_r"));
}
math::transform<float> ocellus_l_to_body;
math::transform<float> ocellus_r_to_body;
math::transform<float> ocellus_m_to_body;
if (phenome.ocelli->lateral_ocelli_present)
{
ocellus_l_to_body = bind_pose_ss.at(*bones.head) * head_skeleton.bind_pose.at(head_skeleton.bone_map.at("ocellus_l"));
ocellus_r_to_body = bind_pose_ss.at(*bones.head) * head_skeleton.bind_pose.at(head_skeleton.bone_map.at("ocellus_r"));
}
if (phenome.ocelli->median_ocellus_present)
{
ocellus_m_to_body = bind_pose_ss.at(*bones.head) * head_skeleton.bind_pose.at(head_skeleton.bone_map.at("ocellus_m"));
}
math::transform<float> forewing_l_to_body;
math::transform<float> forewing_r_to_body;
math::transform<float> hindwing_l_to_body;
math::transform<float> hindwing_r_to_body;
if (phenome.wings->present)
{
forewing_l_to_body = bind_pose_ss.at(*bones.mesosoma) * mesosoma_skeleton.bind_pose.at(mesosoma_skeleton.bone_map.at("forewing_l"));
forewing_r_to_body = bind_pose_ss.at(*bones.mesosoma) * mesosoma_skeleton.bind_pose.at(mesosoma_skeleton.bone_map.at("forewing_r"));
hindwing_l_to_body = bind_pose_ss.at(*bones.mesosoma) * mesosoma_skeleton.bind_pose.at(mesosoma_skeleton.bone_map.at("hindwing_l"));
hindwing_r_to_body = bind_pose_ss.at(*bones.mesosoma) * mesosoma_skeleton.bind_pose.at(mesosoma_skeleton.bone_map.at("hindwing_r"));
}
// Build legs vertex reskin map
const std::unordered_map<std::uint16_t, std::tuple<std::uint16_t, const math::transform<float>*>> legs_reskin_map
{
{bone_index(legs_skeleton.bone_map.at("procoxa_l")), {bone_index(*bones.procoxa_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("profemur_l")), {bone_index(*bones.profemur_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("protibia_l")), {bone_index(*bones.protibia_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("protarsus1_l")), {bone_index(*bones.protarsus_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("protarsus2_l")), {bone_index(*bones.protarsus_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("protarsus3_l")), {bone_index(*bones.protarsus_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("protarsus4_l")), {bone_index(*bones.protarsus_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("protarsus5_l")), {bone_index(*bones.protarsus_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("procoxa_r")), {bone_index(*bones.procoxa_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("profemur_r")), {bone_index(*bones.profemur_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("protibia_r")), {bone_index(*bones.protibia_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("protarsus1_r")), {bone_index(*bones.protarsus_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("protarsus2_r")), {bone_index(*bones.protarsus_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("protarsus3_r")), {bone_index(*bones.protarsus_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("protarsus4_r")), {bone_index(*bones.protarsus_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("protarsus5_r")), {bone_index(*bones.protarsus_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesocoxa_l")), {bone_index(*bones.mesocoxa_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesofemur_l")), {bone_index(*bones.mesofemur_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesotibia_l")), {bone_index(*bones.mesotibia_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesotarsus1_l")), {bone_index(*bones.mesotarsus_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesotarsus2_l")), {bone_index(*bones.mesotarsus_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesotarsus3_l")), {bone_index(*bones.mesotarsus_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesotarsus4_l")), {bone_index(*bones.mesotarsus_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesotarsus5_l")), {bone_index(*bones.mesotarsus_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesocoxa_r")), {bone_index(*bones.mesocoxa_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesofemur_r")), {bone_index(*bones.mesofemur_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesotibia_r")), {bone_index(*bones.mesotibia_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesotarsus1_r")), {bone_index(*bones.mesotarsus_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesotarsus2_r")), {bone_index(*bones.mesotarsus_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesotarsus3_r")), {bone_index(*bones.mesotarsus_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesotarsus4_r")), {bone_index(*bones.mesotarsus_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("mesotarsus5_r")), {bone_index(*bones.mesotarsus_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metacoxa_l")), {bone_index(*bones.metacoxa_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metafemur_l")), {bone_index(*bones.metafemur_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metatibia_l")), {bone_index(*bones.metatibia_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metatarsus1_l")), {bone_index(*bones.metatarsus_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metatarsus2_l")), {bone_index(*bones.metatarsus_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metatarsus3_l")), {bone_index(*bones.metatarsus_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metatarsus4_l")), {bone_index(*bones.metatarsus_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metatarsus5_l")), {bone_index(*bones.metatarsus_l), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metacoxa_r")), {bone_index(*bones.metacoxa_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metafemur_r")), {bone_index(*bones.metafemur_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metatibia_r")), {bone_index(*bones.metatibia_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metatarsus1_r")), {bone_index(*bones.metatarsus_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metatarsus2_r")), {bone_index(*bones.metatarsus_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metatarsus3_r")), {bone_index(*bones.metatarsus_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metatarsus4_r")), {bone_index(*bones.metatarsus_r), &legs_to_body}},
{bone_index(legs_skeleton.bone_map.at("metatarsus5_r")), {bone_index(*bones.metatarsus_r), &legs_to_body}}
};
// Build head vertex reskin map
const std::unordered_map<std::uint16_t, std::tuple<std::uint16_t, const math::transform<float>*>> head_reskin_map
{
{bone_index(head_skeleton.bone_map.at("head")), {bone_index(*bones.head), &head_to_body}}
};
// Build mandibles vertex reskin map
const std::unordered_map<std::uint16_t, std::tuple<std::uint16_t, const math::transform<float>*>> mandibles_reskin_map
{
{bone_index(mandibles_skeleton.bone_map.at("mandible_l")), {bone_index(*bones.mandible_l), &mandible_l_to_body}},
{bone_index(mandibles_skeleton.bone_map.at("mandible_r")), {bone_index(*bones.mandible_r), &mandible_r_to_body}}
};
// Build antennae vertex reskin map
std::unordered_map<std::uint16_t, std::tuple<std::uint16_t, const math::transform<float>*>> antennae_reskin_map
{
{bone_index(antennae_skeleton.bone_map.at("antennomere1_l")), {bone_index(*bones.antennomere1_l), &antenna_l_to_body}},
{bone_index(antennae_skeleton.bone_map.at("antennomere2_l")), {bone_index(*bones.antennomere2_l), &antenna_l_to_body}},
{bone_index(antennae_skeleton.bone_map.at("antennomere1_r")), {bone_index(*bones.antennomere1_r), &antenna_r_to_body}},
{bone_index(antennae_skeleton.bone_map.at("antennomere2_r")), {bone_index(*bones.antennomere2_r), &antenna_r_to_body}}
};
for (std::uint8_t i = 3; i <= phenome.antennae->total_antennomere_count; ++i)
{
const std::string antennomere_l_name = std::format("antennomere{}_l", i);
const std::string antennomere_r_name = std::format("antennomere{}_r", i);
const hash::fnv1a32_t antennomere_l_key = hash::fnv1a32<char>(antennomere_l_name);
const hash::fnv1a32_t antennomere_r_key = hash::fnv1a32<char>(antennomere_r_name);
antennae_reskin_map.emplace(bone_index(antennae_skeleton.bone_map.at(antennomere_l_key)), std::tuple(bone_index(*bones.antennomere2_l), &antenna_l_to_body));
antennae_reskin_map.emplace(bone_index(antennae_skeleton.bone_map.at(antennomere_r_key)), std::tuple(bone_index(*bones.antennomere2_r), &antenna_r_to_body));
}
// Build waist vertex reskin map
std::unordered_map<std::uint16_t, std::tuple<std::uint16_t, const math::transform<float>*>> waist_reskin_map;
if (phenome.waist->petiole_present)
{
waist_reskin_map.emplace(bone_index(waist_skeleton.bone_map.at("petiole")), std::tuple(bone_index(*bones.petiole), &waist_to_body));
}
if (phenome.waist->postpetiole_present)
{
waist_reskin_map.emplace(bone_index(waist_skeleton.bone_map.at("postpetiole")), std::tuple(bone_index(*bones.postpetiole), &waist_to_body));
}
// Build gaster vertex reskin map
const std::unordered_map<std::uint16_t, std::tuple<std::uint16_t, const math::transform<float>*>> gaster_reskin_map
{
{bone_index(gaster_skeleton.bone_map.at("gaster")), {bone_index(*bones.gaster), &gaster_to_body}}
};
// Build sting vertex reskin map
std::unordered_map<std::uint16_t, std::tuple<std::uint16_t, const math::transform<float>*>> sting_reskin_map;
if (phenome.sting->present)
{
sting_reskin_map.emplace(bone_index(sting_skeleton->bone_map.at("sting")), std::tuple(bone_index(*bones.sting), &sting_to_body));
}
// Build eyes vertex reskin map
std::unordered_map<std::uint16_t, std::tuple<std::uint16_t, const math::transform<float>*>> eyes_reskin_map;
if (phenome.eyes->present)
{
eyes_reskin_map.emplace(bone_index(eyes_skeleton->bone_map.at("eye_l")), std::tuple(bone_index(*bones.head), &eye_l_to_body));
eyes_reskin_map.emplace(bone_index(eyes_skeleton->bone_map.at("eye_r")), std::tuple(bone_index(*bones.head), &eye_r_to_body));
}
// Build lateral ocelli vertex reskin map
std::unordered_map<std::uint16_t, std::tuple<std::uint16_t, const math::transform<float>*>> lateral_ocelli_reskin_map;
if (phenome.ocelli->lateral_ocelli_present)
{
lateral_ocelli_reskin_map.emplace(bone_index(lateral_ocelli_skeleton->bone_map.at("ocellus_l")), std::tuple(bone_index(*bones.head), &ocellus_l_to_body));
lateral_ocelli_reskin_map.emplace(bone_index(lateral_ocelli_skeleton->bone_map.at("ocellus_r")), std::tuple(bone_index(*bones.head), &ocellus_r_to_body));
}
// Build median ocellus vertex reskin map
std::unordered_map<std::uint16_t, std::tuple<std::uint16_t, const math::transform<float>*>> median_ocellus_reskin_map;
if (phenome.ocelli->median_ocellus_present)
{
median_ocellus_reskin_map.emplace(bone_index(median_ocellus_skeleton->bone_map.at("ocellus_m")), std::tuple(bone_index(*bones.head), &ocellus_m_to_body));
}
// Build wings vertex reskin maps
std::unordered_map<std::uint16_t, std::tuple<std::uint16_t, const math::transform<float>*>> forewings_reskin_map;
std::unordered_map<std::uint16_t, std::tuple<std::uint16_t, const math::transform<float>*>> hindwings_reskin_map;
if (phenome.wings->present)
{
forewings_reskin_map.emplace(bone_index(forewings_skeleton->bone_map.at("forewing_l")), std::tuple(bone_index(*bones.forewing_l), &forewing_l_to_body));
forewings_reskin_map.emplace(bone_index(forewings_skeleton->bone_map.at("forewing_r")), std::tuple(bone_index(*bones.forewing_r), &forewing_r_to_body));
hindwings_reskin_map.emplace(bone_index(hindwings_skeleton->bone_map.at("hindwing_l")), std::tuple(bone_index(*bones.hindwing_l), &hindwing_l_to_body));
hindwings_reskin_map.emplace(bone_index(hindwings_skeleton->bone_map.at("hindwing_r")), std::tuple(bone_index(*bones.hindwing_r), &hindwing_r_to_body));
}
// Reskin legs vertices
reskin_vertices(vertex_buffer_data.data() + legs_vbo_offset, legs_vertex_count, *position_attribute, *normal_attribute, *tangent_attribute, *bone_index_attribute, legs_reskin_map);
// Reskin head vertices
reskin_vertices(vertex_buffer_data.data() + head_vbo_offset, head_vertex_count, *position_attribute, *normal_attribute, *tangent_attribute, *bone_index_attribute, head_reskin_map);
// Reskin mandibles vertices
reskin_vertices(vertex_buffer_data.data() + mandibles_vbo_offset, mandibles_vertex_count, *position_attribute, *normal_attribute, *tangent_attribute, *bone_index_attribute, mandibles_reskin_map);
// Reskin antennae vertices
reskin_vertices(vertex_buffer_data.data() + antennae_vbo_offset, antennae_vertex_count, *position_attribute, *normal_attribute, *tangent_attribute, *bone_index_attribute, antennae_reskin_map);
// Reskin waist vertices
reskin_vertices(vertex_buffer_data.data() + waist_vbo_offset, waist_vertex_count, *position_attribute, *normal_attribute, *tangent_attribute, *bone_index_attribute, waist_reskin_map);
// Reskin gaster vertices
reskin_vertices(vertex_buffer_data.data() + gaster_vbo_offset, gaster_vertex_count, *position_attribute, *normal_attribute, *tangent_attribute, *bone_index_attribute, gaster_reskin_map);
// Reskin sting vertices
if (phenome.sting->present)
{
reskin_vertices(vertex_buffer_data.data() + sting_vbo_offset, sting_vertex_count, *position_attribute, *normal_attribute, *tangent_attribute, *bone_index_attribute, sting_reskin_map);
}
// Reskin eyes vertices
if (phenome.eyes->present)
{
reskin_vertices(vertex_buffer_data.data() + eyes_vbo_offset, eyes_vertex_count, *position_attribute, *normal_attribute, *tangent_attribute, *bone_index_attribute, eyes_reskin_map);
}
// Reskin lateral ocelli vertices
if (phenome.ocelli->lateral_ocelli_present)
{
reskin_vertices(vertex_buffer_data.data() + lateral_ocelli_vbo_offset, lateral_ocelli_vertex_count, *position_attribute, *normal_attribute, *tangent_attribute, *bone_index_attribute, lateral_ocelli_reskin_map);
}
// Reskin median ocellus vertices
if (phenome.ocelli->median_ocellus_present)
{
reskin_vertices(vertex_buffer_data.data() + median_ocellus_vbo_offset, median_ocellus_vertex_count, *position_attribute, *normal_attribute, *tangent_attribute, *bone_index_attribute, median_ocellus_reskin_map);
}
// Reskin wings vertices
if (phenome.wings->present)
{
reskin_vertices(vertex_buffer_data.data() + forewings_vbo_offset, forewings_vertex_count, *position_attribute, *normal_attribute, *tangent_attribute, *bone_index_attribute, forewings_reskin_map);
reskin_vertices(vertex_buffer_data.data() + hindwings_vbo_offset, hindwings_vertex_count, *position_attribute, *normal_attribute, *tangent_attribute, *bone_index_attribute, hindwings_reskin_map);
}
// Upload vertex buffer data to model VBO
model->get_vertex_buffer()->repurpose(gl::buffer_usage::static_draw, vertex_buffer_size, vertex_buffer_data);
// Count number of model groups
std::size_t model_group_count = 1;
if (phenome.eyes->present)
{
++model_group_count;
}
if (phenome.ocelli->lateral_ocelli_present || phenome.ocelli->median_ocellus_present)
{
++model_group_count;
}
if (phenome.wings->present)
{
model_group_count += 2;
}
// Allocate model groups
model->get_groups().resize(model_group_count);
std::size_t model_group_index = 0;
std::uint32_t index_offset = 0;
// Construct exoskeleton model group
render::model_group& exoskeleton_group = model->get_groups()[model_group_index];
exoskeleton_group.id = "exoskeleton";
exoskeleton_group.material = exoskeleton_material;
exoskeleton_group.drawing_mode = gl::drawing_mode::triangles;
exoskeleton_group.start_index = index_offset;
exoskeleton_group.index_count = exoskeleton_vertex_count;
index_offset += exoskeleton_group.index_count;
if (phenome.eyes->present)
{
// Construct eyes model group
render::model_group& eyes_group = model->get_groups()[++model_group_index];
eyes_group.id = "eyes";
eyes_group.material = eyes_model->get_groups().front().material;
eyes_group.drawing_mode = gl::drawing_mode::triangles;
eyes_group.start_index = index_offset;
eyes_group.index_count = eyes_vertex_count;
index_offset += eyes_group.index_count;
}
if (phenome.ocelli->lateral_ocelli_present || phenome.ocelli->median_ocellus_present)
{
// Construct ocelli model group
render::model_group& ocelli_group = model->get_groups()[++model_group_index];
ocelli_group.id = "ocelli";
ocelli_group.drawing_mode = gl::drawing_mode::triangles;
ocelli_group.start_index = index_offset;
ocelli_group.index_count = 0;
if (phenome.ocelli->lateral_ocelli_present)
{
ocelli_group.index_count += lateral_ocelli_vertex_count;
ocelli_group.material = lateral_ocelli_model->get_groups().front().material;
}
if (phenome.ocelli->median_ocellus_present)
{
ocelli_group.index_count += median_ocellus_vertex_count;
ocelli_group.material = median_ocellus_model->get_groups().front().material;
}
index_offset += ocelli_group.index_count;
}
if (phenome.wings->present)
{
// Construct forewings model group
render::model_group& forewings_group = model->get_groups()[++model_group_index];
forewings_group.id = "forewings";
forewings_group.material = forewings_model->get_groups().front().material;
forewings_group.drawing_mode = gl::drawing_mode::triangles;
forewings_group.start_index = index_offset;
forewings_group.index_count = forewings_vertex_count;
index_offset += forewings_group.index_count;
// Construct hindwings model group
render::model_group& hindwings_group = model->get_groups()[++model_group_index];
hindwings_group.id = "hindwings";
hindwings_group.material = hindwings_model->get_groups().front().material;
hindwings_group.drawing_mode = gl::drawing_mode::triangles;
hindwings_group.start_index = index_offset;
hindwings_group.index_count = hindwings_vertex_count;
index_offset += hindwings_group.index_count;
}
// Calculate model bounding box
model->get_bounds() = calculate_bounds(vertex_buffer_data.data(), index_offset, *position_attribute);
return model;
}