Bit-By-Byte/Tesseract-Engine
Bit-By-Byte/Tesseract-Engine
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Made it so you could create view and sellect multiple GameObjects

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This commit is contained in:
OusmBlueNinja 2024-12-25 21:06:17 -06:00
parent 6e3f0abd6d
commit 380bdbe557
9 changed files with 290 additions and 119 deletions
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40
imgui.ini
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@ -15,8 +15,8 @@ Collapsed=0
DockId=0x00000005,0
[Window][OpenGL Output]
Pos=8,27
Size=1578,770
Pos=375,27
Size=1211,770
Collapsed=0
DockId=0x00000003,0
@ -27,17 +27,33 @@ Collapsed=0
DockId=0x00000006,0
[Window][Logger]
Pos=8,799
Size=1578,370
Pos=375,799
Size=1211,370
Collapsed=0
DockId=0x00000004,0
[Docking][Data]
DockSpace ID=0x14621557 Window=0x3DA2F1DE Pos=8,27 Size=1904,1142 Split=X Selected=0xF7365A5A
DockNode ID=0x00000001 Parent=0x14621557 SizeRef=1578,1142 Split=Y Selected=0xF7365A5A
DockNode ID=0x00000003 Parent=0x00000001 SizeRef=1578,770 CentralNode=1 HiddenTabBar=1 Selected=0xF7365A5A
DockNode ID=0x00000004 Parent=0x00000001 SizeRef=1578,370 HiddenTabBar=1 Selected=0x9DD4E196
DockNode ID=0x00000002 Parent=0x14621557 SizeRef=324,1142 Split=Y Selected=0x36DC96AB
DockNode ID=0x00000005 Parent=0x00000002 SizeRef=324,772 HiddenTabBar=1 Selected=0x36DC96AB
DockNode ID=0x00000006 Parent=0x00000002 SizeRef=324,368 HiddenTabBar=1 Selected=0x726D8899
[Window][Object Selector]
Pos=8,27
Size=357,1142
Collapsed=0
DockId=0x00000007,0
[Window][Scene Window]
Pos=8,27
Size=365,1142
Collapsed=0
DockId=0x00000009,0
[Docking][Data]
DockSpace ID=0x14621557 Window=0x3DA2F1DE Pos=8,27 Size=1904,1142 Split=X Selected=0xF7365A5A
DockNode ID=0x00000009 Parent=0x14621557 SizeRef=365,1142 Selected=0x3DC5AC3F
DockNode ID=0x0000000A Parent=0x14621557 SizeRef=1537,1142 Split=X
DockNode ID=0x00000007 Parent=0x0000000A SizeRef=357,1142 Selected=0x7737E8B2
DockNode ID=0x00000008 Parent=0x0000000A SizeRef=1545,1142 Split=X
DockNode ID=0x00000001 Parent=0x00000008 SizeRef=1211,1142 Split=Y Selected=0xF7365A5A
DockNode ID=0x00000003 Parent=0x00000001 SizeRef=1578,770 CentralNode=1 HiddenTabBar=1 Selected=0xF7365A5A
DockNode ID=0x00000004 Parent=0x00000001 SizeRef=1578,370 HiddenTabBar=1 Selected=0x9DD4E196
DockNode ID=0x00000002 Parent=0x00000008 SizeRef=324,1142 Split=Y Selected=0x36DC96AB
DockNode ID=0x00000005 Parent=0x00000002 SizeRef=324,772 HiddenTabBar=1 Selected=0x36DC96AB
DockNode ID=0x00000006 Parent=0x00000002 SizeRef=324,368 HiddenTabBar=1 Selected=0x726D8899

127
src/Engine.cpp
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@ -4,7 +4,7 @@
// Settings
#define VSync 0
#define VSync 1
#include "Engine.h"
#include <cstdio>
@ -21,6 +21,17 @@
#include "Windows/PerformanceWindow.h"
#include "Windows/LoggerWindow.h"
#include "Windows/InspectorWindow.h"
#include "Windows/SceneWindow.h"
#define YAML_CPP_STATIC_DEFINE
#include <yaml-cpp/yaml.h>
#include "TestModel.h"
@ -31,7 +42,11 @@ AssetManager g_AssetManager;
LoggerWindow *g_LoggerWindow;
std::vector<GameObject> m_GameObjects;
std::vector<GameObject> g_GameObjects;
GameObject* g_SelectedObject; // Pointer to the currently selected object
bool MyEngine::Init(int width, int height, const std::string& title)
@ -95,7 +110,7 @@ bool MyEngine::Init(int width, int height, const std::string& title)
m_PerformanceWindow = std::make_unique<PerformanceWindow>();
m_LoggerWindow = std::make_unique<LoggerWindow>();
m_InspectorWindow = std::make_unique<InspectorWindow>();
m_SceneWindow = std::make_unique<SceneWindow>();
// Some initial logs
@ -111,104 +126,6 @@ bool MyEngine::Init(int width, int height, const std::string& title)
return true;
}
GLuint CreateCubeVAO()
{
// Define cube vertices (Position + UVs)
static float g_CubeVertices[] =
{
// Front face
-1.f, -1.f, 1.f, 0.f, 0.f,
1.f, -1.f, 1.f, 1.f, 0.f,
1.f, 1.f, 1.f, 1.f, 1.f,
-1.f, 1.f, 1.f, 0.f, 1.f,
// Back face
-1.f, -1.f, -1.f, 1.f, 0.f,
1.f, -1.f, -1.f, 0.f, 0.f,
1.f, 1.f, -1.f, 0.f, 1.f,
-1.f, 1.f, -1.f, 1.f, 1.f,
// Left face
-1.f, -1.f, -1.f, 0.f, 0.f,
-1.f, -1.f, 1.f, 1.f, 0.f,
-1.f, 1.f, 1.f, 1.f, 1.f,
-1.f, 1.f, -1.f, 0.f, 1.f,
// Right face
1.f, -1.f, -1.f, 1.f, 0.f,
1.f, -1.f, 1.f, 0.f, 0.f,
1.f, 1.f, 1.f, 0.f, 1.f,
1.f, 1.f, -1.f, 1.f, 1.f,
// Top face
-1.f, 1.f, -1.f, 0.f, 0.f,
1.f, 1.f, -1.f, 1.f, 0.f,
1.f, 1.f, 1.f, 1.f, 1.f,
-1.f, 1.f, 1.f, 0.f, 1.f,
// Bottom face
-1.f, -1.f, -1.f, 1.f, 0.f,
1.f, -1.f, -1.f, 0.f, 0.f,
1.f, -1.f, 1.f, 0.f, 1.f,
-1.f, -1.f, 1.f, 1.f, 1.f,
};
// Define cube indices
static unsigned int g_CubeIndices[] =
{
// Front face
0, 1, 2, 2, 3, 0,
// Back face
4, 5, 6, 6, 7, 4,
// Left face
8, 9, 10, 10, 11, 8,
// Right face
12, 13, 14, 14, 15, 12,
// Top face
16, 17, 18, 18, 19, 16,
// Bottom face
20, 21, 22, 22, 23, 20
};
GLuint VAO, VBO, EBO;
// Generate and bind VAO
glGenVertexArrays(1, &VAO);
glBindVertexArray(VAO);
// Generate and bind VBO
glGenBuffers(1, &VBO);
glBindBuffer(GL_ARRAY_BUFFER, VBO);
glBufferData(GL_ARRAY_BUFFER, sizeof(g_CubeVertices), g_CubeVertices, GL_STATIC_DRAW);
// Generate and bind EBO
glGenBuffers(1, &EBO);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(g_CubeIndices), g_CubeIndices, GL_STATIC_DRAW);
// Define vertex attributes
// Position attribute (location = 0)
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE,
5 * sizeof(float), (void*)0);
glEnableVertexAttribArray(0);
// UV attribute (location = 1)
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE,
5 * sizeof(float), (void*)(3 * sizeof(float)));
glEnableVertexAttribArray(1);
// Unbind VAO (not EBO!)
glBindVertexArray(0);
// Optionally, unbind VBO and EBO for cleanliness
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
// Debug: Print VAO ID
printf("[MeshUtils] Initialized CubeVAO with ID: %u\n", VAO);
return VAO;
}
void MyEngine::Run()
{
@ -217,6 +134,8 @@ void MyEngine::Run()
// Pseudocode:
GameObject cube;
cube.name = std::string("Cube");
cube.transform.position = glm::vec3(0.f, 0.f, 0.f);
cube.transform.rotation = glm::vec3(0.f, 0.5f, 0.f);
cube.transform.scale = glm::vec3(1.f, 1.f, 1.f);
@ -227,7 +146,9 @@ void MyEngine::Run()
cube.mesh.indexCount = 36;
cube.mesh.textureID = static_cast<GLuint>(reinterpret_cast<uintptr_t>(g_AssetManager.loadAsset(AssetType::TEXTURE, "assets/textures/wood.png")));
m_GameObjects.push_back(cube);
g_GameObjects.push_back(cube);
//printf("%p\n", &g_GameObjects);
// Possibly create more GameObjects with different positions or textures
@ -263,6 +184,8 @@ void MyEngine::Run()
m_PerformanceWindow->Show(m_Fps, m_Ms); // FPS & ms
m_LoggerWindow->Show(); // Logs
m_SceneWindow->Show();
// After rendering
m_PerformanceWindow->UpdatePerformanceStats(-1, -1);

4
src/Engine.h
View File

@ -8,6 +8,8 @@
#include "Windows/LoggerWindow.h"
#include "Engine/AssetManager.h"
#include "Windows/InspectorWindow.h"
#include "Windows/SceneWindow.h"
#include "Componenets/GameObject.h"
#include "Componenets/Mesh.h"
@ -50,6 +52,8 @@ private:
std::unique_ptr<PerformanceWindow> m_PerformanceWindow;
std::unique_ptr<LoggerWindow> m_LoggerWindow;
std::unique_ptr<InspectorWindow> m_InspectorWindow;
std::unique_ptr<SceneWindow> m_SceneWindow;
// For FPS calculation

103
src/TestModel.cpp Normal file
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@ -0,0 +1,103 @@
#include "TestModel.h"
#include <GL/glew.h>
#include <cstdio>
GLuint CreateCubeVAO()
{
// Define cube vertices (Position + UVs)
static float g_CubeVertices[] =
{
// Front face
-1.f, -1.f, 1.f, 0.f, 0.f,
1.f, -1.f, 1.f, 1.f, 0.f,
1.f, 1.f, 1.f, 1.f, 1.f,
-1.f, 1.f, 1.f, 0.f, 1.f,
// Back face
-1.f, -1.f, -1.f, 1.f, 0.f,
1.f, -1.f, -1.f, 0.f, 0.f,
1.f, 1.f, -1.f, 0.f, 1.f,
-1.f, 1.f, -1.f, 1.f, 1.f,
// Left face
-1.f, -1.f, -1.f, 0.f, 0.f,
-1.f, -1.f, 1.f, 1.f, 0.f,
-1.f, 1.f, 1.f, 1.f, 1.f,
-1.f, 1.f, -1.f, 0.f, 1.f,
// Right face
1.f, -1.f, -1.f, 1.f, 0.f,
1.f, -1.f, 1.f, 0.f, 0.f,
1.f, 1.f, 1.f, 0.f, 1.f,
1.f, 1.f, -1.f, 1.f, 1.f,
// Top face
-1.f, 1.f, -1.f, 0.f, 0.f,
1.f, 1.f, -1.f, 1.f, 0.f,
1.f, 1.f, 1.f, 1.f, 1.f,
-1.f, 1.f, 1.f, 0.f, 1.f,
// Bottom face
-1.f, -1.f, -1.f, 1.f, 0.f,
1.f, -1.f, -1.f, 0.f, 0.f,
1.f, -1.f, 1.f, 0.f, 1.f,
-1.f, -1.f, 1.f, 1.f, 1.f,
};
// Define cube indices
static unsigned int g_CubeIndices[] =
{
// Front face
0, 1, 2, 2, 3, 0,
// Back face
4, 5, 6, 6, 7, 4,
// Left face
8, 9, 10, 10, 11, 8,
// Right face
12, 13, 14, 14, 15, 12,
// Top face
16, 17, 18, 18, 19, 16,
// Bottom face
20, 21, 22, 22, 23, 20
};
GLuint VAO, VBO, EBO;
// Generate and bind VAO
glGenVertexArrays(1, &VAO);
glBindVertexArray(VAO);
// Generate and bind VBO
glGenBuffers(1, &VBO);
glBindBuffer(GL_ARRAY_BUFFER, VBO);
glBufferData(GL_ARRAY_BUFFER, sizeof(g_CubeVertices), g_CubeVertices, GL_STATIC_DRAW);
// Generate and bind EBO
glGenBuffers(1, &EBO);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(g_CubeIndices), g_CubeIndices, GL_STATIC_DRAW);
// Define vertex attributes
// Position attribute (location = 0)
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE,
5 * sizeof(float), (void*)0);
glEnableVertexAttribArray(0);
// UV attribute (location = 1)
glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE,
5 * sizeof(float), (void*)(3 * sizeof(float)));
glEnableVertexAttribArray(1);
// Unbind VAO (not EBO!)
glBindVertexArray(0);
// Optionally, unbind VBO and EBO for cleanliness
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
// Debug: Print VAO ID
printf("[MeshUtils] Initialized CubeVAO with ID: %u\n", VAO);
return VAO;
}

6
src/TestModel.h
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@ -0,0 +1,6 @@
#pragma once //
#include <GL/glew.h>
#include <cstdio>
GLuint CreateCubeVAO();

10
src/Windows/InspectorWindow.cpp
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@ -6,7 +6,11 @@
#include <vector>
extern std::vector<GameObject> m_GameObjects;
extern std::vector<GameObject> g_GameObjects;
extern GameObject* g_SelectedObject; // Pointer to the currently selected object
void InspectorWindow::Show()
{
@ -30,10 +34,10 @@ void InspectorWindow::Show()
bool transformOpen = ImGui::CollapsingHeader("Transform##Main", ImGuiTreeNodeFlags_DefaultOpen);
ImGui::PopStyleColor();
if (transformOpen)
if (transformOpen && g_SelectedObject) //! Funny: I did not put a null check here and it broke everything.
{
Transform* transform = &m_GameObjects[0].transform;
Transform* transform = &g_SelectedObject->transform;
if (ImGui::IsItemHovered())
{
ImGui::BeginTooltip();

4
src/Windows/RenderWindow.cpp
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@ -13,7 +13,7 @@
#include "Componenets/Mesh.h"
#include "Componenets/Transform.h"
extern std::vector<GameObject> m_GameObjects;
extern std::vector<GameObject> g_GameObjects;
#define CAM_FOV 45.0f
@ -209,7 +209,7 @@ void RenderWindow::RenderSceneToFBO()
glm::mat4 proj = glm::perspective(glm::radians(CAM_FOV), aspect, CAM_NEAR_PLAIN, CAM_FAR_PLAIN);
// Iterate over each GameObject and render it
for (auto& obj : m_GameObjects)
for (auto& obj : g_GameObjects)
{
// -----------------------------------
// 1) Build MVP from obj.transform

96
src/Windows/SceneWindow.cpp Normal file
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@ -0,0 +1,96 @@
#include "SceneWindow.h"
#include "imgui.h"
#include "glm/vec3.hpp"
#include "Engine/AssetManager.h"
#include "TestModel.h"
// Globals
extern std::vector<GameObject> g_GameObjects;
extern GameObject* g_SelectedObject;
extern AssetManager g_AssetManager;
// Helper: Create a default cube GameObject
GameObject CreateDefaultCube() {
GameObject cube;
cube.name = "Cube";
cube.transform.position = glm::vec3(0.f, 0.f, 0.f);
cube.transform.rotation = glm::vec3(0.f, 0.5f, 0.f);
cube.transform.scale = glm::vec3(1.f, 1.f, 1.f);
cube.mesh.vao = CreateCubeVAO(); // Implement your VAO creation logic
cube.mesh.indexCount = 36;
cube.mesh.textureID = static_cast<unsigned int>(reinterpret_cast<uintptr_t>(
g_AssetManager.loadAsset(AssetType::TEXTURE, "assets/textures/wood.png")));
return cube;
}
// Show function implementation
void SceneWindow::Show() {
if (ImGui::Begin("Scene Window")) {
// Add Button
if (ImGui::Button("Add Object")) {
AddGameObject();
}
ImGui::Separator();
// List GameObjects
int index = 0;
for (auto it = g_GameObjects.begin(); it != g_GameObjects.end(); ++it, ++index) {
GameObject& obj = *it;
std::string uniqueID = obj.name + "##" + std::to_string(index);
if (ImGui::TreeNode(uniqueID.c_str())) {
// Select GameObject
if (ImGui::Selectable("Select", g_SelectedObject == &obj)) {
g_SelectedObject = &obj;
}
// Right-click context menu to remove GameObject
if (ImGui::BeginPopupContextItem()) {
if (ImGui::MenuItem("Remove")) {
RemoveGameObject(index);
ImGui::EndPopup();
break;
}
ImGui::EndPopup();
}
ImGui::TreePop();
}
}
ImGui::Separator();
// Show currently selected object details at the bottom
if (g_SelectedObject) {
ImGui::Text("Selected Object: %s", g_SelectedObject->name.c_str());
// Optionally add details or editable fields here
} else {
ImGui::Text("No Object Selected");
}
}
ImGui::End();
}
// AddGameObject: Adds a new GameObject
void SceneWindow::AddGameObject() {
g_GameObjects.push_back(CreateDefaultCube());
}
// RemoveGameObject: Removes a GameObject by index
void SceneWindow::RemoveGameObject(int index) {
if (index >= 0 && index < static_cast<int>(g_GameObjects.size())) {
g_GameObjects.erase(g_GameObjects.begin() + index);
g_SelectedObject = nullptr; // Clear selection if the removed object was selected
}
}
// GetSelectedObject function implementation
GameObject* SceneWindow::GetSelectedObject() const {
return g_SelectedObject;
}

19
src/Windows/SceneWindow.h Normal file
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@ -0,0 +1,19 @@
#pragma once
#include <vector>
#include <string>
#include <glm/glm.hpp>
#include "Componenets/GameObject.h"
// SceneWindow class declaration
class SceneWindow {
public:
void Show();
GameObject* GetSelectedObject() const;
private:
void AddGameObject(); // Adds a new game object
void RemoveGameObject(int index); // Removes a game object by index
};