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-rw-r--r--src/States/SimulationState.cpp311
1 files changed, 15 insertions, 296 deletions
diff --git a/src/States/SimulationState.cpp b/src/States/SimulationState.cpp
index a37e527..349100c 100644
--- a/src/States/SimulationState.cpp
+++ b/src/States/SimulationState.cpp
@@ -1,330 +1,49 @@
#include "SimulationState.h"
#include "Rendering/Renderer.h"
-#include "Rendering/VertexArray.h"
-#include "Rendering/VertexBuffer.h"
-#include "Rendering/IndexBuffer.h"
-#include "Rendering/Shader.h"
-#include "Rendering/Texture.h"
+#include "Core/Application.h"
-#include <glm/glm.hpp>
-#include <glm/gtc/matrix_transform.hpp>
-#include <GLFW/glfw3.h>
+#include <imgui.h>
namespace Donut
{
void SimulationState::OnEnter()
{
- m_Camera = CreateScope<Camera>(45.0f, 1280.0f / 720.0f, 0.1f, 100.0f);
- m_Camera->SetPosition({ 0.0f, 0.0f, 3.0f });
- m_Camera->SetMouseSensitivity(0.1f);
- m_Camera->SetMovementSpeed(5.0f);
-
- float vertices[] =
- {
- -0.5f, -0.5f, -0.5f, 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f,
- 0.5f, -0.5f, -0.5f, 0.0f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f,
- 0.5f, 0.5f, -0.5f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f,
- -0.5f, 0.5f, -0.5f, 1.0f, 1.0f, 0.0f, 1.0f, 0.0f, 1.0f,
- -0.5f, -0.5f, 0.5f, 1.0f, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f,
- 0.5f, -0.5f, 0.5f, 0.0f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f,
- 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 0.5f, 1.0f, 1.0f, 1.0f,
- -0.5f, 0.5f, 0.5f, 1.0f, 1.0f, 1.0f, 1.0f, 0.0f, 1.0f
- };
-
- uint32_t indices[] =
- {
- 0, 1, 2, 2, 3, 0,
- 1, 5, 6, 6, 2, 1,
- 5, 4, 7, 7, 6, 5,
- 4, 0, 3, 3, 7, 4,
- 3, 2, 6, 6, 7, 3,
- 4, 5, 1, 1, 0, 4
- };
-
- m_VertexArray = Ref<VertexArray>(VertexArray::Create());
- m_VertexBuffer = Ref<VertexBuffer>(VertexBuffer::Create(vertices, sizeof(vertices)));
-
- VertexBufferLayout layout;
- layout.Push<float>(3);
- layout.Push<float>(4);
- layout.Push<float>(2);
- m_VertexBuffer->SetLayout(layout);
-
- m_VertexArray->AddVertexBuffer(m_VertexBuffer);
-
- m_IndexBuffer = Ref<IndexBuffer>(IndexBuffer::Create(indices, 36));
- m_VertexArray->SetIndexBuffer(m_IndexBuffer);
-
- m_Shader = Ref<Shader>(Shader::Create("Assets/Textured.glsl"));
- m_Texture = Texture2D::Create(256, 256);
-
- uint32_t* pixelData = new uint32_t[256 * 256];
- for (int y = 0; y < 256; y++)
- {
- for (int x = 0; x < 256; x++)
- {
- float u = (float)x / 256.0f;
- float v = (float)y / 256.0f;
-
- float wave = sin(u * 10.0f) * cos(v * 10.0f);
- wave = (wave + 1.0f) * 0.5f;
-
- uint8_t r = (uint8_t)(wave * 255);
- uint8_t g = (uint8_t)((1.0f - wave) * 255);
- uint8_t b = (uint8_t)((u + v) * 0.5f * 255);
- uint8_t a = 255;
-
- pixelData[y * 256 + x] = (a << 24) | (b << 16) | (g << 8) | r;
- }
- }
-
- m_Texture->SetData(pixelData, 256 * 256 * 4);
- delete[] pixelData;
-
- m_ComputeShader = Ref<Shader>(Shader::Create("Assets/TextureProcessor.glsl"));
-
- if (!m_ComputeShader)
- {
- DONUT_WARN("Failed to create compute shader! Falling back to CPU texture generation.");
- m_UseComputeShader = false;
- }
- else
- DONUT_INFO("Compute shader created successfully!");
-
- m_ProcessedTexture = Texture2D::Create(256, 256);
+ DONUT_INFO("Entering Simulation State");
}
void SimulationState::OnExit()
{
+ DONUT_INFO("Exiting Simulation State");
}
void SimulationState::OnUpdate(float deltaTime)
{
- m_DeltaTime = deltaTime;
- HandleKeyInput(deltaTime);
- UpdateTexture();
}
void SimulationState::OnRender()
{
Renderer::SetClearColor({ 0.0f, 0.0f, 0.0f, 1.0f });
Renderer::Clear();
-
- if (m_UseComputeShader && m_ProcessedTexture)
- {
- m_ProcessedTexture->Bind(0);
- m_Shader->SetInt("u_Texture", 0);
- }
- else if (m_Texture)
- {
- m_Texture->Bind(0);
- m_Shader->SetInt("u_Texture", 0);
- }
-
- glm::mat4 viewProjection = m_Camera ? m_Camera->GetViewProjectionMatrix() : glm::mat4(1.0f);
-
- glm::vec3 centerPos(0.0f, 0.0f, 0.0f);
- glm::vec3 rightPos(2.0f, 0.0f, 0.0f);
- glm::vec3 leftPos(-2.0f, 0.0f, 0.0f);
- glm::vec3 upPos(0.0f, 2.0f, 0.0f);
- glm::vec3 downPos(0.0f, -2.0f, 0.0f);
- glm::vec3 forwardPos(0.0f, 0.0f, 2.0f);
- glm::vec3 backPos(0.0f, 0.0f, -2.0f);
-
- glm::mat4 transform = glm::translate(glm::mat4(1.0f), centerPos);
- Renderer::Submit(m_Shader, m_VertexArray, transform, viewProjection);
- transform = glm::translate(glm::mat4(1.0f), rightPos);
- Renderer::Submit(m_Shader, m_VertexArray, transform, viewProjection);
- transform = glm::translate(glm::mat4(1.0f), leftPos);
- Renderer::Submit(m_Shader, m_VertexArray, transform, viewProjection);
- transform = glm::translate(glm::mat4(1.0f), upPos);
- Renderer::Submit(m_Shader, m_VertexArray, transform, viewProjection);
- transform = glm::translate(glm::mat4(1.0f), downPos);
- Renderer::Submit(m_Shader, m_VertexArray, transform, viewProjection);
- transform = glm::translate(glm::mat4(1.0f), forwardPos);
- Renderer::Submit(m_Shader, m_VertexArray, transform, viewProjection);
- transform = glm::translate(glm::mat4(1.0f), backPos);
- Renderer::Submit(m_Shader, m_VertexArray, transform, viewProjection);
}
void SimulationState::OnEvent(Event& event)
{
- EventDispatcher dispatcher(event);
-
- dispatcher.Dispatch<WindowResizeEvent>([this](WindowResizeEvent& e)
- {
- if (m_Camera)
- m_Camera->SetProjection(45.0f, (float)e.GetWidth() / (float)e.GetHeight(), 0.1f, 100.0f);
- return true;
- });
-
- dispatcher.Dispatch<WindowFocusEvent>([this](WindowFocusEvent& e)
- {
- m_FirstMouse = true;
- m_MouseDragging = false;
- return true;
- });
-
- dispatcher.Dispatch<WindowLostFocusEvent>([this](WindowLostFocusEvent& e)
- {
- m_MouseDragging = false;
- return true;
- });
-
- dispatcher.Dispatch<KeyPressedEvent>([this](KeyPressedEvent& e)
- {
- m_Keys[e.GetKeyCode()] = true;
- return true;
- });
-
- dispatcher.Dispatch<KeyReleasedEvent>([this](KeyReleasedEvent& e)
- {
- m_Keys[e.GetKeyCode()] = false;
- return true;
- });
-
- dispatcher.Dispatch<MouseMovedEvent>([this](MouseMovedEvent& e)
- {
- if (!m_MouseDragging)
- return true;
-
- if (m_FirstMouse)
- {
- m_LastX = e.GetX();
- m_LastY = e.GetY();
- m_FirstMouse = false;
- }
-
- float xOffset = m_LastX - e.GetX();
- float yOffset = e.GetY() - m_LastY;
-
- m_LastX = e.GetX();
- m_LastY = e.GetY();
-
- if (m_Camera)
- m_Camera->OnMouseMove(xOffset, yOffset);
-
- return true;
- });
-
- dispatcher.Dispatch<MouseButtonPressedEvent>([this](MouseButtonPressedEvent& e)
- {
- if (e.GetMouseButton() == GLFW_MOUSE_BUTTON_LEFT)
- {
- m_MouseDragging = true;
- m_FirstMouse = true;
- }
- return true;
- });
-
- dispatcher.Dispatch<MouseButtonReleasedEvent>([this](MouseButtonReleasedEvent& e)
- {
- if (e.GetMouseButton() == GLFW_MOUSE_BUTTON_LEFT)
- m_MouseDragging = false;
- return true;
- });
}
- void SimulationState::HandleKeyInput(float deltaTime)
+ void SimulationState::OnImUIRender()
{
- if (m_Camera)
- {
- if (m_Keys[GLFW_KEY_W])
- m_Camera->MoveForward(deltaTime);
- if (m_Keys[GLFW_KEY_S])
- m_Camera->MoveBackward(deltaTime);
- if (m_Keys[GLFW_KEY_A])
- m_Camera->MoveLeft(deltaTime);
- if (m_Keys[GLFW_KEY_D])
- m_Camera->MoveRight(deltaTime);
- if (m_Keys[GLFW_KEY_SPACE])
- m_Camera->MoveUp(deltaTime);
- if (m_Keys[GLFW_KEY_LEFT_SHIFT])
- m_Camera->MoveDown(deltaTime);
- }
-
- static bool cKeyPressed = false;
- if (m_Keys[GLFW_KEY_C] && !cKeyPressed)
- {
- m_UseComputeShader = !m_UseComputeShader;
- DONUT_INFO("Compute shader: {}", (m_UseComputeShader ? "ON" : "OFF"));
- cKeyPressed = true;
- }
- if (!m_Keys[GLFW_KEY_C])
- cKeyPressed = false;
- if (m_Keys[GLFW_KEY_UP])
- m_ComputeBrightness += deltaTime * 0.5f;
- if (m_Keys[GLFW_KEY_DOWN])
- m_ComputeBrightness -= deltaTime * 0.5f;
- if (m_Keys[GLFW_KEY_LEFT])
- m_ComputeContrast -= deltaTime * 0.5f;
- if (m_Keys[GLFW_KEY_RIGHT])
- m_ComputeContrast += deltaTime * 0.5f;
- if (m_Keys[GLFW_KEY_Q])
- m_ComputeSaturation -= deltaTime * 0.5f;
- if (m_Keys[GLFW_KEY_E])
- m_ComputeSaturation += deltaTime * 0.5f;
+ ImGui::Begin("Simulation Controls");
- m_ComputeBrightness = glm::clamp(m_ComputeBrightness, -1.0f, 1.0f);
- m_ComputeContrast = glm::clamp(m_ComputeContrast, 0.1f, 3.0f);
- m_ComputeSaturation = glm::clamp(m_ComputeSaturation, 0.0f, 2.0f);
+ ImGui::Text("Simulation State");
+ if (ImGui::Button("Back to Config"))
+ Application::Get().GetStateManager().SwitchToState("Config");
+
+ ImGui::Separator();
- static float statusTimer = 0.0f;
- statusTimer += deltaTime;
- if (statusTimer > 2.0f)
- {
- DONUT_INFO("Compute Shader Status:\nBrightness: {}\nContrast: {}\nSaturation: {}",
- m_ComputeBrightness, m_ComputeContrast, m_ComputeSaturation);
- statusTimer = 0.0f;
- }
- }
-
- void SimulationState::UpdateTexture()
- {
- if (!m_Texture)
- return;
-
- m_TextureTime += m_DeltaTime;
+ ImGui::Text("Simulation Info:");
+ ImGui::Text("FPS: %.1f", ImGui::GetIO().Framerate);
+ ImGui::Text("Frame Time: %.3f ms", 1000.0f / ImGui::GetIO().Framerate);
- if (m_UseComputeShader && m_ComputeShader && m_ProcessedTexture)
- {
- m_ComputeShader->Bind();
- m_Texture->Bind(0);
- m_ComputeShader->SetInt("u_InputTexture", 0);
- m_ProcessedTexture->BindAsImage(1, false);
- m_ComputeShader->SetFloat2("u_TextureSize", glm::vec2(256.0f, 256.0f));
- m_ComputeShader->SetFloat("u_Time", m_TextureTime);
- m_ComputeShader->SetFloat("u_Brightness", m_ComputeBrightness);
- m_ComputeShader->SetFloat("u_Contrast", m_ComputeContrast);
- m_ComputeShader->SetFloat("u_Saturation", m_ComputeSaturation);
- m_ComputeShader->Dispatch(16, 16, 1);
- m_ComputeShader->MemoryBarrier(IMAGE_ACCESS_BARRIER_BIT);
- }
- else
- {
- uint32_t* pixelData = new uint32_t[256 * 256];
- for (int y = 0; y < 256; y++)
- {
- for (int x = 0; x < 256; x++)
- {
- float time = m_TextureTime * 2.0f;
- float u = (float)x / 256.0f;
- float v = (float)y / 256.0f;
-
- float wave = sin(u * 10.0f + time) * cos(v * 10.0f + time * 0.5f);
- wave = (wave + 1.0f) * 0.5f;
-
- uint8_t r = (uint8_t)(wave * 255);
- uint8_t g = (uint8_t)((1.0f - wave) * 255);
- uint8_t b = (uint8_t)((u + v) * 0.5f * 255);
- uint8_t a = 255;
-
- pixelData[y * 256 + x] = (a << 24) | (b << 16) | (g << 8) | r;
- }
- }
-
- m_Texture->SetData(pixelData, 256 * 256 * 4);
- delete[] pixelData;
- }
+ ImGui::End();
}
};