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test version will be rewritten before main.

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Yggdrasil75
2026-03-05 14:59:23 -05:00
parent 3d96e569c8
commit 6336d45075
7 changed files with 601 additions and 7 deletions
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tests/worldbox.cpp Normal file
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#ifndef WORLDBOX_CPP
#define WORLDBOX_CPP
#include "../util/sim/worldbox.hpp"
#include "../util/grid/camera.hpp"
#include "../imgui/imgui.h"
#include "../imgui/backends/imgui_impl_glfw.h"
#include "../imgui/backends/imgui_impl_opengl3.h"
#include <GLFW/glfw3.h>
class worldboxSimUI {
private:
worldboxsim sim;
Camera cam;
// UI and Render State
GLuint textu = 0;
std::mutex PreviewMutex;
bool updatePreview = false;
bool textureInitialized = false;
frame currentPreviewFrame;
// Rendering Settings
int outWidth = 1024;
int outHeight = 1024;
int reflectCount = 2;
bool slowRender = false;
float lodDist = 1024.0f;
float lodDropoff = 0.05f;
float maxViewDistance = 4096.0f;
bool globalIllumination = false;
bool useLod = true;
float framerate = 60.0f;
// Input/Time
std::map<int, bool> keyStates;
std::chrono::steady_clock::time_point lastFrameTime;
float deltaTime = 0.016f;
// Stats tracking
std::chrono::steady_clock::time_point lastStatsUpdate;
std::string cachedStats;
bool statsNeedUpdate = true;
enum class DebugColorMode {
BASE,
NUTRIENTS,
MOISTURE
};
DebugColorMode currentColorMode = DebugColorMode::BASE;
public:
worldboxSimUI() {
// Position camera to look at the center of the world slightly from above
cam.origin = v3(0, 50, 80);
v3 target = v3(0, 0, 0);
cam.direction = (target - cam.origin).normalized();
cam.up = v3(0, 1, 0);
cam.fov = 60;
cam.rotationSpeed = M_1_PI;
cam.movementSpeed = 50.0f;
lastFrameTime = std::chrono::steady_clock::now();
}
~worldboxSimUI() {
if (textu != 0) {
glDeleteTextures(1, &textu);
}
sim.grid.clear();
}
void renderUI(GLFWwindow* window) {
// Compute delta time for consistent movement and sim stepping
auto now = std::chrono::steady_clock::now();
deltaTime = std::chrono::duration<float>(now - lastFrameTime).count();
lastFrameTime = now;
handleCameraControls(window);
// Update simulation objects like the Star
sim.updateStar(deltaTime);
ImGui::Begin("WorldBox Simulation");
if (ImGui::BeginTable("MainLayout", 2, ImGuiTableFlags_Resizable | ImGuiTableFlags_BordersOuter)) {
ImGui::TableSetupColumn("Controls", ImGuiTableColumnFlags_WidthStretch, 0.3f);
ImGui::TableSetupColumn("Preview", ImGuiTableColumnFlags_WidthStretch, 0.7f);
ImGui::TableNextColumn();
renderControlsPanel();
ImGui::TableNextColumn();
renderPreviewPanel();
ImGui::EndTable();
}
ImGui::End();
}
void handleCameraControls(GLFWwindow* window) {
glfwPollEvents();
for (int i = GLFW_KEY_SPACE; i <= GLFW_KEY_LAST; i++) {
keyStates[i] = (glfwGetKey(window, i) == GLFW_PRESS);
}
float currentSpeed = cam.movementSpeed * deltaTime;
if (keyStates[GLFW_KEY_LEFT_SHIFT]) currentSpeed *= 3.0f; // Sprint
if (keyStates[GLFW_KEY_W]) cam.moveForward(currentSpeed);
if (keyStates[GLFW_KEY_S]) cam.moveBackward(currentSpeed);
if (keyStates[GLFW_KEY_A]) cam.moveLeft(currentSpeed);
if (keyStates[GLFW_KEY_D]) cam.moveRight(currentSpeed);
if (keyStates[GLFW_KEY_E]) cam.moveUp(currentSpeed);
if (keyStates[GLFW_KEY_Q]) cam.moveDown(currentSpeed);
if (keyStates[GLFW_KEY_LEFT]) cam.rotateYaw(cam.rotationSpeed * deltaTime);
if (keyStates[GLFW_KEY_RIGHT]) cam.rotateYaw(-cam.rotationSpeed * deltaTime);
if (keyStates[GLFW_KEY_UP]) cam.rotatePitch(cam.rotationSpeed * deltaTime);
if (keyStates[GLFW_KEY_DOWN]) cam.rotatePitch(-cam.rotationSpeed * deltaTime);
}
void renderControlsPanel() {
ImGui::BeginChild("ControlsScroll", ImVec2(0, 0), true);
if (ImGui::CollapsingHeader("World Generation", ImGuiTreeNodeFlags_DefaultOpen)) {
ImGui::DragFloat("Width (X)", &sim.config.worldSizeX, 1.0f, 10.0f, 2000.0f);
ImGui::DragFloat("Length (Z)", &sim.config.worldSizeZ, 1.0f, 10.0f, 2000.0f);
ImGui::DragFloat("Depth (Y)", &sim.config.worldDepth, 1.0f, 1.0f, 500.0f);
ImGui::DragFloat("Voxel Size", &sim.config.voxelSize, 0.1f, 0.1f, 10.0f);
ImGui::ColorEdit3("Dirt Base Color", sim.config.baseDirtColor.data());
ImGui::Separator();
if (ImGui::Button("Generate Flat World", ImVec2(-1, 40))) {
sim.generateFlatWorld();
// applyDebugColorMode();
statsNeedUpdate = true;
}
if (ImGui::Button("Clear World", ImVec2(-1, 30))) {
sim.clearWorld();
statsNeedUpdate = true;
}
}
if (ImGui::CollapsingHeader("Environment & Celestial", ImGuiTreeNodeFlags_DefaultOpen)) {
ImGui::Text("Star Settings");
ImGui::Checkbox("Enable Star Rotation", &sim.config.enableStarRotation);
ImGui::DragFloat("Orbit Radius", &sim.config.starOrbitRadius, 10.0f, 100.0f, 5000.0f);
ImGui::DragFloat("Star Speed", &sim.config.starSpeed, 0.01f, 0.0f, 5.0f);
ImGui::DragFloat("Panel Size", &sim.config.starPanelSize, 5.0f, 10.0f, 1000.0f);
ImGui::ColorEdit3("Star Color", sim.config.starColor.data());
ImGui::Separator();
ImGui::Text("Grass Settings");
ImGui::SliderFloat("Grass Density", &sim.config.grassDensity, 0.0f, 1.0f);
ImGui::ColorEdit3("Grass Color Base", sim.config.grassColorBase.data());
if (ImGui::Button("Generate Grass", ImVec2(-1, 40))) {
sim.generateGrass();
applyDebugColorMode();
statsNeedUpdate = true;
}
}
if (ImGui::CollapsingHeader("Debug Views")) {
ImGui::Text("Render Data Mode:");
bool colorChanged = false;
if (ImGui::RadioButton("Base Color", currentColorMode == DebugColorMode::BASE)) {
currentColorMode = DebugColorMode::BASE;
colorChanged = true;
}
if (ImGui::RadioButton("Nutrients", currentColorMode == DebugColorMode::NUTRIENTS)) {
currentColorMode = DebugColorMode::NUTRIENTS;
colorChanged = true;
}
if (ImGui::RadioButton("Moisture", currentColorMode == DebugColorMode::MOISTURE)) {
currentColorMode = DebugColorMode::MOISTURE;
colorChanged = true;
}
if (colorChanged) {
applyDebugColorMode();
}
}
if (ImGui::CollapsingHeader("Camera & Render Settings", ImGuiTreeNodeFlags_DefaultOpen)) {
ImGui::DragFloat3("Origin", cam.origin.data());
ImGui::DragFloat3("Direction", cam.direction.data(), 0.0001f, -1.0f, 1.0f);
ImGui::DragFloat("Movement Speed", &cam.movementSpeed, 0.1f, 1.0f, 500.0f);
ImGui::InputFloat("Max Framerate", &framerate, 1, 10);
ImGui::Checkbox("Use PBR/Raytracing (Slow)", &slowRender);
if(slowRender) {
ImGui::DragInt("Bounces", &reflectCount, 1, 0, 10);
ImGui::Checkbox("Global Illumination", &globalIllumination);
}
ImGui::Checkbox("Use LODs", &useLod);
if (ImGui::Button("Reset Camera")) {
cam.origin = v3(0, sim.config.worldDepth * 2.0f, std::max(sim.config.worldSizeX, sim.config.worldSizeZ));
cam.direction = (v3(0, 0, 0) - cam.origin).normalized();
}
}
updateStatsCache();
ImGui::TextUnformatted(cachedStats.c_str());
ImGui::EndChild();
}
void renderPreviewPanel() {
ImGui::BeginChild("PreviewChild", ImVec2(0, 0), true, ImGuiWindowFlags_NoScrollbar | ImGuiWindowFlags_NoScrollWithMouse);
livePreview();
if (textureInitialized) {
float aspect = (float)currentPreviewFrame.getWidth() / (float)currentPreviewFrame.getHeight();
float availWidth = ImGui::GetContentRegionAvail().x;
ImGui::Image((void*)(intptr_t)textu, ImVec2(availWidth, availWidth / aspect));
}
ImGui::EndChild();
}
void applyDebugColorMode() {
if (sim.grid.empty()) return;
v3 boundsHalfExtent = v3(sim.config.worldSizeX, sim.config.worldDepth, sim.config.worldSizeZ);
float searchRadius = boundsHalfExtent.norm() * 2.0f;
auto allNodes = sim.grid.findInRadius(v3(0,0,0), searchRadius);
for (auto& p : allNodes) {
if (!p || !p->active) continue;
v3 color = sim.config.baseDirtColor;
switch (currentColorMode) {
case DebugColorMode::NUTRIENTS: {
float t = std::clamp(p->data.nutrients, 0.0f, 1.0f);
color = v3(1.0f - t, t, 0.0f);
break;
}
case DebugColorMode::MOISTURE: {
float t = std::clamp(p->data.moisture, 0.0f, 1.0f);
color = v3(1.0f - t, 1.0f - t, 1.0f);
break;
}
case DebugColorMode::BASE:
default:
if (p->data.type == 1) color = sim.config.baseRockColor;
else if (p->data.type == 2) color = sim.config.grassColorBase;
else if (p->data.type == 3) color = sim.config.starColor;
else color = sim.config.baseDirtColor;
break;
}
sim.grid.setColor(p->position, color);
}
}
void livePreview() {
std::lock_guard<std::mutex> lock(PreviewMutex);
updatePreview = true;
float invFrameRate = 1.0f / framerate;
if (!useLod) {
sim.grid.setLODFalloff(0.01);
sim.grid.setLODMinDistance(1000.0f);
} else {
sim.grid.setLODMinDistance(lodDist);
sim.grid.setLODFalloff(lodDropoff);
}
sim.grid.setMaxDistance(maxViewDistance);
if (slowRender) {
currentPreviewFrame = sim.grid.renderFrameTimed(cam, outHeight, outWidth, frame::colormap::RGB, invFrameRate, reflectCount, globalIllumination, useLod);
} else {
currentPreviewFrame = sim.grid.fastRenderFrame(cam, outHeight, outWidth, frame::colormap::RGB);
}
if (textu == 0) {
glGenTextures(1, &textu);
}
glBindTexture(GL_TEXTURE_2D, textu);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, currentPreviewFrame.getWidth(), currentPreviewFrame.getHeight(),
0, GL_RGB, GL_UNSIGNED_BYTE, currentPreviewFrame.getData().data());
updatePreview = false;
textureInitialized = true;
}
void updateStatsCache() {
auto now = std::chrono::steady_clock::now();
if (statsNeedUpdate || std::chrono::duration_cast<std::chrono::seconds>(now - lastStatsUpdate).count() >= 2) {
std::stringstream gridstats;
sim.grid.printStats(gridstats);
cachedStats = gridstats.str();
lastStatsUpdate = now;
statsNeedUpdate = false;
}
}
};
#endif