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adding materials, adding serialization for meshes and materials, random fixes

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This commit is contained in:
Erris
2026-03-03 08:51:02 +01:00
parent b7e5ceb1d1
commit 4a624cfe70
16 changed files with 222 additions and 22 deletions
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8
editor/include/editor.hpp
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@@ -1,7 +1,6 @@
#ifndef EDITOR_HPP
#define EDITOR_HPP
#include <X11/X.h>
#include <open_engine.hpp>
#include "open_engine/renderer/renderer3d.hpp"
@@ -92,9 +91,11 @@ namespace OpenEngine {
editor_camera = EditorCamera(30.0f, 1920.0f/1080.0f, 0.1f, 1000.0f);
// TODO: Add license
icons["play"] = Texture2D::Create("resources/textures/icons/play.png");
icons["stop"] = Texture2D::Create("resources/textures/icons/stop.png");
// =============================================
Entity cube = scene->CreateEntity("cube");
@@ -104,6 +105,7 @@ namespace OpenEngine {
cube.AddComponent<MeshComponent>(mesh);
// =============================================
Entity quad = scene->CreateEntity("quad");
quad.AddComponent<TransformComponent>();
quad.GetComponents<TransformComponent>().translation = {0, 0, 0};
@@ -112,6 +114,7 @@ namespace OpenEngine {
quad.AddComponent<MeshComponent>(quad_mesh);
// =============================================
Entity cube2 = scene->CreateEntity("cube2");
cube2.AddComponent<TransformComponent>();
cube2.GetComponents<TransformComponent>().translation = {2, 0, 0};
@@ -129,7 +132,6 @@ namespace OpenEngine {
}
*/
// TODO: Add file texture. Get free icons and add license
//icons["folder"] = Texture2D::Create("resources/textures/icons/folder.png");
/*
for (float i = 0; i < 200; i++) {
@@ -352,7 +354,7 @@ namespace OpenEngine {
bool was_focused = viewport_focused;
viewport_focused = ImGui::IsWindowFocused(ImGuiFocusedFlags_RootWindow);
viewport_hovered = ImGui::IsWindowHovered(ImGuiHoveredFlags_RootWindow);
Application::Get().GetImGuiLayer()->SetBlockEvents((!viewport_focused && !viewport_hovered) || ImGui::IsAnyItemActive());
Application::Get().GetImGuiLayer()->SetBlockEvents(ImGui::IsAnyItemActive());
if (viewport_focused && !was_focused)
editor_camera.ResetMousePosition();

1
editor/include/editor_component.hpp
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@@ -17,6 +17,7 @@ namespace OpenEngine {
void SpriteOnImGuiRender(entt::registry& registry, entt::entity entity);
void CameraOnImGuiRender(entt::registry& registry, entt::entity entity);
void MeshOnImGuiRender(entt::registry&registry, entt::entity entity);
void MaterialOnImGuiRender(entt::registry& registry, entt::entity entity);
}
#endif // EDITOR_COMPONENT_HPP

1
editor/include/panels/content_browser.hpp
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@@ -18,6 +18,7 @@ namespace OpenEngine {
private:
std::filesystem::path current_directory;
Ref<Texture2D> folder_icon;
Ref<Texture2D> file_icon;
};
}

65
editor/src/editor_component.cpp
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@@ -1,5 +1,9 @@
#include "imgui.h"
#include "open_engine/renderer/renderer3d.hpp"
#include "open_engine/scene/components.hpp"
#include <editor_component.hpp>
#include <entt/entity/fwd.hpp>
#include <glm/gtc/type_ptr.hpp>
#include <open_engine.hpp>
namespace OpenEngine {
@@ -101,6 +105,7 @@ namespace OpenEngine {
DrawVec3Control("Rotation", rotation_comp);
transform.rotation = glm::radians(rotation_comp);
DrawVec3Control("Scale", transform.scale);
ImGui::Spacing();
};
void SpriteOnImGuiRender(entt::registry& registry, entt::entity entity)
@@ -171,8 +176,66 @@ namespace OpenEngine {
};
void MeshOnImGuiRender(entt::registry&registry, entt::entity entity)
void MeshOnImGuiRender(entt::registry& registry, entt::entity entity)
{
auto& mesh_component = registry.get<MeshComponent>(entity);
const char* items[] = { "Quad", "Cube" };
static int item_selected_idx = 0;
if (ImGui::BeginCombo("Mesh", items[item_selected_idx])) {
for (int n = 0; n < 2; n++)
{
const bool is_selected = (item_selected_idx == n);
if (ImGui::Selectable(items[n], is_selected))
item_selected_idx = n;
// Set the initial focus when opening the combo (scrolling + keyboard navigation focus)
if (is_selected)
ImGui::SetItemDefaultFocus();
}
ImGui::EndCombo();
if ((int)mesh_component.primitive_type == (item_selected_idx + 1))
return;
mesh_component.primitive_type = (PrimitiveType)(item_selected_idx + 1);
switch (mesh_component.primitive_type) {
case OpenEngine::PrimitiveType::Quad:
{
mesh_component.mesh = CreateQuad((uint32_t)entity);
break;
}
case OpenEngine::PrimitiveType::Cube:
{
mesh_component.mesh = CreateCube((uint32_t)entity);
break;
}
default:
break;
}
}
}
void MaterialOnImGuiRender(entt::registry& registry, entt::entity entity)
{
auto& material = registry.get<MaterialComponent>(entity).material;
auto& albedo = material.albedo;
auto& roughness = material.roughness;
auto& metallic = material.metallic;
auto& ambient = material.ambient_strength;
auto& specular = material.specular_strength;
if (ImGui::SliderFloat4("Albedo", glm::value_ptr(albedo), 0, 1))
material.albedo = albedo;
if (ImGui::SliderFloat("Roughness", &roughness, 0, 1))
material.roughness = roughness;
if (ImGui::SliderFloat("Metallic", &metallic, 0, 1))
material.metallic = metallic;
if (ImGui::SliderFloat("Ambient strength", &ambient, 0, 1))
material.ambient_strength = ambient;
if (ImGui::SliderFloat("Specular strength", &specular, 0, 10))
material.specular_strength = specular;
}
}

28
editor/src/panels/content_browser.cpp Normal file → Executable file
View File

@@ -15,8 +15,9 @@ namespace OpenEngine {
ContentBrowserPanel::ContentBrowserPanel()
: current_directory(assets_directory)
{
// TODO: Add file texture. Get free icons and add license
folder_icon = Texture2D::Create("resources/textures/icons/folder.png");
// TODO: Add license
folder_icon = Texture2D::Create("resources/textures/icons/folder2.png");
file_icon = Texture2D::Create("resources/textures/icons/file.png");
}
void ContentBrowserPanel::OnImGuiRender()
@@ -30,6 +31,16 @@ namespace OpenEngine {
current_directory = current_directory.parent_path();
auto directory_it = std::filesystem::directory_iterator(current_directory);
std::vector<std::filesystem::directory_entry> entries;
for (auto entry : directory_it)
entries.emplace_back(entry);
std::sort(entries.begin(), entries.end(),
[](const std::filesystem::directory_entry& a,
const std::filesystem::directory_entry& b) {
return (a.is_directory() && !b.is_directory());
});
ImVec2 button_size = { 100, 100 };
auto panel_width = ImGui::GetContentRegionAvail().x;
@@ -42,9 +53,12 @@ namespace OpenEngine {
ImGui::PushStyleVar(ImGuiStyleVar_CellPadding, padding);
float margin = 20.0f;
ImGui::Indent(margin);
if (ImGui::BeginTable("table1", table_columns, ImGuiTableFlags_SizingFixedSame))
{
for (auto& entry : directory_it) {
for (auto& entry : entries) {
auto file_name = entry.path().filename().string();
ImGui::PushID(file_name.c_str());
@@ -56,17 +70,14 @@ namespace OpenEngine {
ImGui::PushStyleColor(ImGuiCol_ButtonActive, { 0.270f, 0.278f, 0.352f, 1.0f });
ImGui::BeginGroup();
ImGui::ImageButton("##X", (ImTextureID)folder_icon->GetID(), button_size, { 0, 1 }, { 1, 0 });
Ref<Texture2D> icon = entry.is_directory() ? folder_icon : file_icon;
ImGui::ImageButton("##X", (ImTextureID)icon->GetID(), button_size, { 0, 1 }, { 1, 0 });
if (entry.is_regular_file() && ImGui::BeginDragDropSource()) {
const char* source = entry.path().c_str();
ImGui::SetDragDropPayload("CONTENT_BROWSER_PAYLOAD", source, (strlen(source) + 1) * sizeof(char), ImGuiCond_Once);
ImGui::EndDragDropSource();
}
float columnWidth = ImGui::GetColumnWidth();
float textWidth = ImGui::CalcTextSize(file_name.c_str()).x;
ImGui::SetCursorPosX(ImGui::GetCursorPosX() + (columnWidth - textWidth) * 0.5f);
ImGui::TextWrapped("%s", file_name.c_str());
ImGui::EndGroup();
@@ -81,6 +92,7 @@ namespace OpenEngine {
}
ImGui::EndTable();
}
ImGui::Unindent();
ImGui::PopStyleVar();
ImGui::End();

6
editor/src/panels/scene_hierarchy.cpp
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@@ -23,6 +23,7 @@ namespace OpenEngine {
RegisterDrawer<SpriteRendererComponent>("Sprite Renderer", &SpriteOnImGuiRender);
RegisterDrawer<CameraComponent>("Camera", &CameraOnImGuiRender);
RegisterDrawer<MeshComponent>("Mesh", &MeshOnImGuiRender);
RegisterDrawer<MaterialComponent>("Material", &MaterialOnImGuiRender);
scene = context;
selected_context = {};
@@ -51,6 +52,11 @@ namespace OpenEngine {
selected_context.AddComponent<MeshComponent>();
ImGui::CloseCurrentPopup();
}
if (!selected_context.HasComponent<MaterialComponent>())
if (ImGui::MenuItem("Material")) {
selected_context.AddComponent<MaterialComponent>();
ImGui::CloseCurrentPopup();
}
}
void EntityPopup(Ref<Scene>& scene)

20
open_engine/include/open_engine/renderer/renderer3d.hpp
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@@ -10,6 +10,14 @@
namespace OpenEngine {
// SHOULD BE MOVED ==================================
enum class PrimitiveType
{
None = 0,
Quad,
Cube
};
struct MeshVertex
{
glm::vec3 position;
@@ -19,6 +27,15 @@ namespace OpenEngine {
uint32_t id = -1;
};
struct Material
{
glm::vec4 albedo = { 1.0f, 1.0f, 1.0f, 1.0f };
float roughness = 1.0f;
float metallic = 1.0f;
float ambient_strength = 1.0f;
float specular_strength = 1.0f;
};
struct Mesh
{
Ref<VertexArray> vertex_array;
@@ -46,7 +63,8 @@ namespace OpenEngine {
static void BeginScene(const EditorCamera& camera);
static void EndScene();
static void DrawMesh(const Ref<Mesh>& mesh, const glm::mat4& transform);
static void DrawMesh(const Ref<Mesh>& mesh, Material& material,
const glm::mat4& transform);
};
}

15
open_engine/include/open_engine/scene/components.hpp
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@@ -86,17 +86,28 @@ namespace OpenEngine {
(delete nsc->instance);
nsc->instance = nullptr;
};
}
};
};
struct MeshComponent
{
Ref<Mesh> mesh;
PrimitiveType primitive_type = PrimitiveType::None;
MeshComponent() = default;
MeshComponent(const MeshComponent&) = default;
MeshComponent(const Ref<Mesh>& mesh)
: mesh(mesh) {}
: mesh(mesh) {};
};
struct MaterialComponent
{
Material material;
MaterialComponent() = default;
MaterialComponent(const MaterialComponent&) = default;
MaterialComponent(const Material& material)
: material(material) {};
};
}

2
open_engine/include/open_engine/scene/scene.hpp
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@@ -40,7 +40,7 @@ namespace OpenEngine {
uint32_t viewport_width = 0, viewport_height = 0;
std::vector<entt::entity> entities_to_be_deleted;
std::vector<entt::entity> pending_deletion;
friend class SceneSerializer;
friend class Entity;

10
open_engine/src/open_engine/renderer/renderer3d.cpp
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@@ -176,6 +176,9 @@ namespace OpenEngine {
};
TransformData transform_buffer;
Ref<UniformBuffer> transform_uniform_buffer;
Material material_buffer;
Ref<UniformBuffer> material_uniform_buffer;
};
static Renderer3DData renderer_data;
@@ -190,6 +193,7 @@ namespace OpenEngine {
renderer_data.color_shader_3d = Shader::Create("assets/shaders/color3d.glsl");
renderer_data.camera_uniform_buffer = UniformBuffer::Create(sizeof(Renderer3DData::CameraData), 0);
renderer_data.transform_uniform_buffer = UniformBuffer::Create(sizeof(Renderer3DData::TransformData), 1);
renderer_data.material_uniform_buffer = UniformBuffer::Create(sizeof(Material), 2);
glEnable(GL_DEBUG_OUTPUT);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
@@ -230,7 +234,8 @@ namespace OpenEngine {
}
void Renderer3D::DrawMesh(const Ref<Mesh>& mesh, const glm::mat4& transform)
void Renderer3D::DrawMesh(const Ref<Mesh>& mesh, Material& material,
const glm::mat4& transform)
{
OE_PROFILE_FUNCTION();
@@ -239,6 +244,9 @@ namespace OpenEngine {
renderer_data.transform_buffer.transform = transform;
renderer_data.transform_uniform_buffer->SetData(&renderer_data.transform_buffer, sizeof(Renderer3DData::TransformData));
renderer_data.material_buffer = material;
renderer_data.material_uniform_buffer->SetData(&renderer_data.material_buffer, sizeof(Material));
mesh->vertex_array->Bind();
RenderCommand::DrawIndexed(mesh->vertex_array, mesh->indices.size());

26
open_engine/src/open_engine/scene/scene.cpp
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@@ -26,15 +26,15 @@ namespace OpenEngine {
void Scene::MarkEntityForDeletion(Entity entity)
{
entities_to_be_deleted.emplace_back(entity);
pending_deletion.emplace_back(entity);
}
void Scene::UpdateEntities()
{
for (auto& entity : entities_to_be_deleted)
for (auto& entity : pending_deletion)
DeleteEntity(entity);
entities_to_be_deleted.clear();
pending_deletion.clear();
}
void Scene::OnUpdateRuntime()
@@ -75,8 +75,13 @@ namespace OpenEngine {
for (const auto& entity : view) {
auto [transform, mesh] = view.get<TransformComponent, MeshComponent>(entity);
Material material;
Renderer3D::DrawMesh(mesh.mesh, GetTransformFromComp(transform));
Entity _entity(entity, this);
if (_entity.HasComponent<MaterialComponent>())
material = _entity.GetComponents<MaterialComponent>().material;
Renderer3D::DrawMesh(mesh.mesh, material, GetTransformFromComp(transform));
/*
if (sprite.texture)
Renderer2D::DrawQuad(GetTransformFromComp(transform),
@@ -101,7 +106,13 @@ namespace OpenEngine {
for (const auto& entity : view) {
auto [transform, mesh] = view.get<TransformComponent, MeshComponent>(entity);
Renderer3D::DrawMesh(mesh.mesh, GetTransformFromComp(transform));
Material material;
Entity _entity(entity, this);
if (_entity.HasComponent<MaterialComponent>())
material = _entity.GetComponents<MaterialComponent>().material;
Renderer3D::DrawMesh(mesh.mesh, material, GetTransformFromComp(transform));
}
Renderer3D::EndScene();
@@ -170,4 +181,9 @@ namespace OpenEngine {
void Scene::OnComponentAdded<MeshComponent>(Entity entity, MeshComponent& component)
{
}
template<>
void Scene::OnComponentAdded<MaterialComponent>(Entity entity, MaterialComponent& component)
{
}
}

62
open_engine/src/open_engine/scene/scene_serializer.cpp
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@@ -1,7 +1,9 @@
#include <cstdint>
#include <pch.hpp>
#include "core.hpp"
#include <scene/scene_serializer.hpp>
#include "renderer/renderer3d.hpp"
#include "scene/components.hpp"
#include "scene/entity.hpp"
@@ -149,6 +151,32 @@ namespace OpenEngine {
out << YAML::EndMap; // SpriteRendererComponent
}
if (entity.HasComponent<MeshComponent>())
{
out << YAML::Key << "MeshComponent";
out << YAML::BeginMap; // MeshComponent
auto& mesh_component = entity.GetComponents<MeshComponent>();
out << YAML::Key << "MeshType" << YAML::Value << (int)mesh_component.primitive_type;
out << YAML::EndMap; // MeshComponent
}
if (entity.HasComponent<MaterialComponent>())
{
out << YAML::Key << "MaterialComponent";
out << YAML::BeginMap; // MaterialComponent
auto& material = entity.GetComponents<MaterialComponent>().material;
out << YAML::Key << "Albedo" << YAML::Value << material.albedo;
out << YAML::Key << "Roughness" << YAML::Value << material.roughness;
out << YAML::Key << "Metalic" << YAML::Value << material.metallic;
out << YAML::Key << "AmbiantStrength" << YAML::Value << material.ambient_strength;
out << YAML::Key << "SpecularStrength" << YAML::Value << material.specular_strength;
out << YAML::EndMap; // MaterialComponent
}
out << YAML::EndMap;
}
@@ -241,6 +269,40 @@ namespace OpenEngine {
auto& src = deserializedEntity.AddComponent<SpriteRendererComponent>();
src.color = spriteRendererComponent["Color"].as<glm::vec4>();
}
auto mesh_component = entity["MeshComponent"];
if (mesh_component)
{
auto& mesh = deserializedEntity.AddComponent<MeshComponent>();
switch (mesh.primitive_type) {
case OpenEngine::PrimitiveType::Quad:
{
mesh.mesh = CreateQuad((uint32_t)deserializedEntity);
break;
}
case OpenEngine::PrimitiveType::Cube:
{
mesh.mesh = CreateCube((uint32_t)deserializedEntity);
break;
}
default:
break;
}
}
auto material_component = entity["MaterialComponent"];
if (material_component)
{
auto& material = deserializedEntity.AddComponent<MaterialComponent>();
material.material.albedo = material_component["Albedo"].as<glm::vec4>();
material.material.roughness = material_component["Roughness"].as<float>();
material.material.metallic = material_component["Metalic"].as<float>();
material.material.ambient_strength = material_component["AmbiantStrength"].as<float>();
material.material.specular_strength = material_component["SpecularStrength"].as<float>();
}
auto mesh = CreateCube((uint32_t)deserializedEntity);
deserializedEntity.AddComponent<MeshComponent>(mesh);
}
}

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