#include <objectManager.hpp>

Collaboration diagram for Chronos::Engine::ObjectManager:

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Public Member Functions
void	init (Chronos::Engine::Device device, Chronos::Engine::SwapChain swapChain, VkCommandPool commandPool)

void	destroy ()

int	addObject (Object *object)

void	remove (int objectNo)

void	update (uint32_t currentFrame)

void	render (uint32_t currentFrame, uint32_t imageIndex, float bgColor[3])

void	changeMsaa ()

void	recreate ()

void	cleanup ()

Public Attributes
std::map< int, Object * >	objects

int	nextFreeObjectNo = 0

std::vector< VkCommandBuffer >	commandBuffers

VkRenderPass	renderPass

VkSampler	textureSampler

Private Attributes
Chronos::Engine::Device *	device

Chronos::Engine::SwapChain *	swapChain

VkCommandPool	commandPool

std::vector< VkFramebuffer >	framebuffers

std::map< int, std::array< bool, MAX_FRAMES_IN_FLIGHT > >	objectsToBeRemoved

Detailed Description

Definition at line 35 of file objectManager.hpp.

Member Function Documentation

◆ addObject()

int Chronos::Engine::ObjectManager::addObject ( Object * object )

Definition at line 130 of file objectManager.cpp.

{
    int objectNo = nextFreeObjectNo;
    nextFreeObjectNo++;
    objects[objectNo] = object;
    return objectNo;
}

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◆ changeMsaa()

void Chronos::Engine::ObjectManager::changeMsaa ( )

Definition at line 107 of file objectManager.cpp.

{
    vkDestroyRenderPass(device->device, renderPass, nullptr);
    this->renderPass
    = Chronos::Engine::createRenderPass(*this->device, *this->swapChain,
        VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
        VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, true, true, false);
    recreate();
    for (auto& objectMap : objects) {
    objectMap.second->recreateGraphicsPipeline();
    }
}

References Chronos::Engine::createRenderPass().

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◆ cleanup()

void Chronos::Engine::ObjectManager::cleanup ( )

Definition at line 124 of file objectManager.cpp.

{
    for (auto framebuffer : framebuffers)
    vkDestroyFramebuffer(device->device, framebuffer, nullptr);
}

◆ destroy()

void Chronos::Engine::ObjectManager::destroy ( )

Definition at line 47 of file objectManager.cpp.

{
    vkDestroySampler(device->device, textureSampler, nullptr);
    vkDestroyRenderPass(device->device, renderPass, nullptr);
    for (auto framebuffer : framebuffers)
    vkDestroyFramebuffer(device->device, framebuffer, nullptr);
    for (auto& objectMap : objects) {
    objectMap.second->destroy();
    }
}

◆ init()

void Chronos::Engine::ObjectManager::init	(	Chronos::Engine::Device *	device,
		Chronos::Engine::SwapChain *	swapChain,
		VkCommandPool	commandPool
	)

Definition at line 29 of file objectManager.cpp.

{
    this->device = device;
    this->swapChain = swapChain;
    this->commandPool = commandPool;
 
    Chronos::Engine::createTextureSampler(*device, &textureSampler);
 
    this->renderPass
    = Chronos::Engine::createRenderPass(*this->device, *this->swapChain,
        VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
        VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, true, true, false);
    commandBuffers = Chronos::Engine::createCommandBuffer(
    *device, *swapChain, commandPool);
    framebuffers = Chronos::Engine::createFramebuffer(
    *device, *swapChain, renderPass, true);
}

References commandBuffers, commandPool, Chronos::Engine::createCommandBuffer(), Chronos::Engine::createFramebuffer(), Chronos::Engine::createRenderPass(), Chronos::Engine::createTextureSampler(), device, framebuffers, renderPass, swapChain, and textureSampler.

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◆ recreate()

void Chronos::Engine::ObjectManager::recreate ( )

Definition at line 119 of file objectManager.cpp.

{
    cleanup();
    framebuffers = createFramebuffer(*device, *swapChain, renderPass, true);
}

References Chronos::Engine::createFramebuffer().

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◆ remove()

void Chronos::Engine::ObjectManager::remove ( int objectNo )

Definition at line 137 of file objectManager.cpp.

{
    for (bool& flag : objectsToBeRemoved[objectNo]) {
    flag = true;
    }
}

◆ render()

void Chronos::Engine::ObjectManager::render	(	uint32_t	currentFrame,
		uint32_t	imageIndex,
		float	bgColor[3]
	)

Definition at line 57 of file objectManager.cpp.

{
    VkViewport viewport {};
    viewport.x = 0.0f;
    viewport.y = 0.0f;
    viewport.width = static_cast<float>(swapChain->swapChainExtent.width);
    viewport.height = static_cast<float>(swapChain->swapChainExtent.height);
    viewport.minDepth = 0.0f;
    viewport.maxDepth = 1.0f;
 
    VkRect2D scissor {};
    scissor.offset = { 0, 0 };
    scissor.extent = swapChain->swapChainExtent;
 
    vkResetCommandBuffer(commandBuffers[currentFrame], 0);
    VkCommandBufferBeginInfo beginInfo {};
    beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
    if (vkBeginCommandBuffer(commandBuffers[currentFrame], &beginInfo)
    != VK_SUCCESS) {
    throw std::runtime_error("failed to begin recording command buffer!");
    }
 
    VkRenderPassBeginInfo renderPassInfo {};
    renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
    renderPassInfo.renderPass = renderPass;
    renderPassInfo.framebuffer = framebuffers[imageIndex];
    renderPassInfo.renderArea.offset = { 0, 0 };
    renderPassInfo.renderArea.extent = swapChain->swapChainExtent;
    VkClearValue clearColor
    = { { { bgColor[0], bgColor[1], bgColor[2], 1.0f } } }; // bg color
    renderPassInfo.clearValueCount = 1;
    renderPassInfo.pClearValues = &clearColor;
 
    vkCmdBeginRenderPass(commandBuffers[currentFrame], &renderPassInfo,
    VK_SUBPASS_CONTENTS_INLINE);
 
    for (auto& object : this->objects) {
    if (this->objectsToBeRemoved.count(object.first) > 0)
        continue;
    object.second->render(currentFrame, imageIndex, bgColor, viewport,
        scissor, commandBuffers);
    }
 
    vkCmdEndRenderPass(commandBuffers[currentFrame]);
 
    if (vkEndCommandBuffer(commandBuffers[currentFrame]) != VK_SUCCESS) {
    throw std::runtime_error("failed to record command buffer!");
    }
}

◆ update()

void Chronos::Engine::ObjectManager::update ( uint32_t currentFrame )

Definition at line 143 of file objectManager.cpp.

{
    for (auto& objectMap : objectsToBeRemoved) {
    objectMap.second[currentFrame] = false;
    bool toBeRemoved = true;
    for (bool flag : objectMap.second) {
        if (flag) {
        toBeRemoved = false;
        break;
        }
    }
    if (toBeRemoved) {
        objects[objectMap.first]->destroy();
        objectsToBeRemoved.erase(objectMap.first);
        objects.erase(objectMap.first);
        Object* object = objects[objectMap.first];
        switch (object->objectType) {
        case Chronos::Engine::ObjectType::TypeColoredRectangle:
        delete (Chronos::Engine::ColoredRectangle*)object;
        break;
        case Chronos::Engine::ObjectType::TypeTexturedRectangle:
        delete (Chronos::Engine::TexturedRectangle*)object;
        break;
        case Chronos::Engine::ObjectType::TypeText:
        delete (Chronos::Engine::Text*)object;
        break;
        default:
        throw std::runtime_error("Invalid object type");
        }
    }
    }
    for (auto& objectMap : objects) {
    if (objectsToBeRemoved.count(objectMap.first) == 0) {
        objectMap.second->update(currentFrame);
    }
    }
}

References Chronos::Engine::Object::destroy(), Chronos::Engine::Object::objectType, Chronos::Engine::TypeColoredRectangle, Chronos::Engine::TypeText, and Chronos::Engine::TypeTexturedRectangle.

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Member Data Documentation

◆ commandBuffers

std::vector<VkCommandBuffer> Chronos::Engine::ObjectManager::commandBuffers

Vector of Vulkan command buffers.

Definition at line 41 of file objectManager.hpp.

◆ commandPool

VkCommandPool Chronos::Engine::ObjectManager::commandPool

private

Vulkan command pool used for rendering.

Definition at line 67 of file objectManager.hpp.

◆ device

Chronos::Engine::Device* Chronos::Engine::ObjectManager::device

private

Pointer to the Chronos::Engine::Device used for rendering.

Definition at line 61 of file objectManager.hpp.

◆ framebuffers

std::vector<VkFramebuffer> Chronos::Engine::ObjectManager::framebuffers

private

Vector of Vulkan framebuffers.

Definition at line 69 of file objectManager.hpp.

◆ nextFreeObjectNo

int Chronos::Engine::ObjectManager::nextFreeObjectNo = 0

The index for the next free object.

Definition at line 39 of file objectManager.hpp.

◆ objects

std::map<int, Object*> Chronos::Engine::ObjectManager::objects

A map of object indices to their corresponding objects.

Definition at line 37 of file objectManager.hpp.

◆ objectsToBeRemoved

std::map<int, std::array<bool, MAX_FRAMES_IN_FLIGHT> > Chronos::Engine::ObjectManager::objectsToBeRemoved

private

Map of objects to be removed.

Definition at line 71 of file objectManager.hpp.

◆ renderPass

VkRenderPass Chronos::Engine::ObjectManager::renderPass

Vulkan render pass used for rendering.

Definition at line 56 of file objectManager.hpp.

◆ swapChain

Chronos::Engine::SwapChain* Chronos::Engine::ObjectManager::swapChain

private

Pointer to the Chronos::Engine::SwapChain used for rendering.

Definition at line 64 of file objectManager.hpp.

◆ textureSampler

VkSampler Chronos::Engine::ObjectManager::textureSampler

Vulkan sampler for textures.

Definition at line 57 of file objectManager.hpp.

The documentation for this class was generated from the following files:

Source/Rendering/Objects/objectManager.hpp
Source/Rendering/Objects/objectManager.cpp

Public Member Functions

Public Attributes

Private Attributes

Detailed Description

Member Function Documentation

◆ addObject()

◆ changeMsaa()

◆ cleanup()

◆ destroy()

◆ init()

◆ recreate()

◆ remove()

◆ render()

◆ update()

Member Data Documentation

◆ commandBuffers

◆ commandPool

◆ device

◆ framebuffers

◆ nextFreeObjectNo

◆ objects

◆ objectsToBeRemoved

◆ renderPass

◆ swapChain

◆ textureSampler