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path: root/game/vehicles/railVehicleClass.cpp
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#include "railVehicleClass.h"
#include "gfx/gl/sceneShader.h"
#include "gfx/gl/shadowMapper.h"
#include "gfx/gl/vertexArrayObject.h"
#include "gfx/models/mesh.h"
#include "gfx/models/texture.h"
#include "stream_support.h"
#include <algorithm>
#include <array>
#include <cache.h>
#include <cmath>
#include <cstddef>
#include <filesystem>
#include <glm/glm.hpp>
#include <iterator>
#include <lib/resource.h>
#include <location.h>
#include <map>
#include <maths.h>
#include <memory>
#include <set>
#include <string>
#include <utility>
#include <vector>

bool
RailVehicleClass::persist(Persistence::PersistenceStore & store)
{
	return STORE_TYPE && STORE_MEMBER(length) && STORE_MEMBER(wheelBase) && STORE_MEMBER(maxSpeed)
			&& STORE_NAME_HELPER("bogie", bogies, Asset::MeshArrayConstruct)
			&& STORE_HELPER(bodyMesh, Asset::MeshConstruct) && Asset::persist(store);
}

void
RailVehicleClass::postLoad()
{
	texture = getTexture();
	bodyMesh->configureVAO(instanceVAO)
			.addAttribs<LocationVertex, &LocationVertex::body, &LocationVertex::bodyPos>(instances.bufferName(), 1);
	bogies.front()
			->configureVAO(instancesBogiesVAO.front())
			.addAttribs<LocationVertex, &LocationVertex::front, &LocationVertex::frontPos>(instances.bufferName(), 1);
	bogies.back()
			->configureVAO(instancesBogiesVAO.back())
			.addAttribs<LocationVertex, &LocationVertex::back, &LocationVertex::backPos>(instances.bufferName(), 1);
	static_assert(sizeof(LocationVertex) == 228UL);
}

void
RailVehicleClass::render(const SceneShader & shader) const
{
	if (const auto count = static_cast<GLsizei>(instances.size())) {
		if (texture) {
			texture->bind();
		}
		shader.basicInst.use();
		bodyMesh->DrawInstanced(instanceVAO, count);
		bogies.front()->DrawInstanced(instancesBogiesVAO.front(), count);
		bogies.back()->DrawInstanced(instancesBogiesVAO.back(), count);
	}
}

void
RailVehicleClass::shadows(const ShadowMapper & mapper) const
{
	if (const auto count = static_cast<GLsizei>(instances.size())) {
		mapper.dynamicPointInst.use();
		bodyMesh->DrawInstanced(instanceVAO, count);
		bogies.front()->DrawInstanced(instanceVAO, count);
		bogies.back()->DrawInstanced(instanceVAO, count);
	}
}