paterns_menu: list and display paterns

CMakeLists.txt

@@ -69,15 +69,12 @@ include_directories(${imgui_SOURCE_DIR} ${rlImGui_SOURCE_DIR})
 set(SRC_CXX_FILES "./src/main.cpp"
                   "./src/rules.cpp"
                   "./src/world.cpp"
-                  "./src/grid.cpp"
                   "./src/render.cpp"
                   "./src/control_menu.cpp"
                   "./src/settings_menu.cpp"
                   "./src/selection_menu.cpp"
                   "./src/selection.cpp"
                   "./src/paterns_menu.cpp"
-                  "./src/patern_preview.cpp"
-                  "./src/snapping.cpp"
                   "${rlImGui_SOURCE_DIR}/rlImGui.cpp"
                   "${imgui_SOURCE_DIR}/imgui.cpp"
                   "${imgui_SOURCE_DIR}/imgui_draw.cpp"

README.md

@@ -6,7 +6,7 @@ This is a simple Game Of Life editor written in C++ with raylib & dearImGUI
 
 ## How to compile the project
 
-Ensure you have g++, cmake and the dependencies of raylib
+Ensure you have g++, cmake and the thendependencies of raylib
 
 ```shell
 mkdir build

includes/context.hpp

@@ -22,7 +22,6 @@ class SelectionMenu;
 class ControlMenu;
 class Selection;
 class PaternsMenu;
-class PaternPreview;
 
 typedef struct ctx {
   std::shared_ptr<World> world = nullptr;
@@ -33,7 +32,6 @@ typedef struct ctx {
   std::shared_ptr<ControlMenu> control_menu = nullptr;
   std::shared_ptr<Selection> selection = nullptr;
   std::shared_ptr<PaternsMenu> paterns_menu = nullptr;
-  std::shared_ptr<PaternPreview> patern_preview = nullptr;
   nlohmann::json config_json;
   std::filesystem::path program_dir;
 } ctx;

includes/grid.hpp

@@ -1,28 +0,0 @@
-/*
-* File name: grid.hpp
-* Author: lejulien
-* Date created: 01-01-1970 00:59:59
-// Date modified: 12-01-2026 21:30:10
-* ------
-*/
-
-#pragma once
-
-#include <context.hpp>
-#include <memory>
-#include <settings_menu.hpp>
-#include <world.hpp>
-
-namespace gol {
-
-class Grid {
- public:
-  Grid(std::shared_ptr<ctx>);
-  ~Grid() = default;
-  void display();
-
- private:
-  std::shared_ptr<ctx> context_;
-};
-
-};  // namespace gol

includes/patern_preview.hpp

@@ -1,33 +0,0 @@
-/*
-* File name: patern_preview.hpp
-* Author: lejulien
-* Date created: 01-01-1970 00:59:59
-// Date modified: 12-01-2026 21:30:10
-* ------
-*/
-
-#pragma once
-
-#include <memory>
-
-#include <raylib.h>
-
-#include <context.hpp>
-
-namespace gol {
-
-class PaternPreview {
-public:
-  PaternPreview(std::shared_ptr<ctx>);
-  ~PaternPreview() = default;
-  void update();
-  void display();
-  void start();
-private:
-  bool is_started = false;
-  std::shared_ptr<ctx> context_;
-  Vector2 mouse_pos_ = {0, 0};
-  bool is_unplacable_ = false;
-};
-
-} // namespace gol

includes/paterns_menu.hpp

@@ -11,7 +11,6 @@
 #include <memory>
 #include <context.hpp>
 #include <vector>
-#include <map>
 #include <string>
 
 namespace gol {
@@ -25,15 +24,9 @@ public:
   void display();
   void refresh();
 private:
-  bool loadPatern(std::string &path);
   bool is_open_ = false;
   std::shared_ptr<ctx> context_ = nullptr;
-  std::map<std::string,std::string> paterns_paths_list_;
+  std::vector<std::string> paterns_list_;
-  std::vector<std::string> paterns_name_list_;
-public:
-  int patern_width_ = 0;
-  int patern_height_ = 0;
-  std::vector<uint32_t> loaded_patern_;
 };
 
 } // namespace gol

includes/snapping.hpp

@@ -1,5 +1,5 @@
 /*
-* File name: snapping.hpp
+* File name: selection.cpp
 * Author: lejulien
 * Date created: 01-01-1970 00:59:59
 // Date modified: 12-01-2026 21:30:10
@@ -13,6 +13,12 @@
 #include <raylib.h>
 #include <cmath>
 
-Vector2 snapToGrid(Vector2 screen, int cell_size);
+Vector2 snapToGrid(Vector2 screen, int cell_size) {
+  return {static_cast<float>(round(screen.x / cell_size) * cell_size),
+          static_cast<float>(round(screen.y / cell_size) * cell_size)};
+}
 
-Vector2i screenToGrid(Vector2 screen, int cell_size);
+Vector2i screenToGrid(Vector2 screen, int cell_size) {
+  return {static_cast<int>(round(screen.x / cell_size)),
+          static_cast<int>(round(screen.y / cell_size))};
+}

includes/world.hpp

@@ -37,7 +37,6 @@ public:
   void setCell(int x, int y);
   void resize(int width, int height); // destructive
   std::vector<uint32_t> getSelection(Vector2i &origin, Vector2i &size);
-  void setSelection(Vector2i &origin, Vector2i &size, std::vector<uint32_t> &data);
 
   // Private members
 private:

src/grid.cpp

@@ -1,27 +0,0 @@
-/*
-* File name: grid.cpp
-* Author: lejulien
-* Date created: 01-01-1970 00:59:59
-// Date modified: 12-01-2026 21:30:10
-* ------
-*/
-
-#include <raylib.h>
-
-#include <grid.hpp>
-
-namespace gol {
-
-Grid::Grid(std::shared_ptr<ctx> context) : context_(context) {}
-
-void Grid::display() {
-  auto cell_size = context_->settings_menu->getCellSize();
-  for (int j = 0; j < context_->world->getHeight(); j++) {
-    for (int i = 0; i < context_->world->getWidth(); i++) {
-      DrawRectangleLines(i * cell_size, j * cell_size, cell_size, cell_size,
-                         GRAY);
-    }
-  }
-}
-
-}  // namespace gol

src/main.cpp

@@ -25,8 +25,6 @@
 #include <selection_menu.hpp>
 #include <selection.hpp>
 #include <paterns_menu.hpp>
-#include <patern_preview.hpp>
-#include <grid.hpp>
 
 int main(int ac, char **av) {
   std::shared_ptr<gol::ctx> context = std::make_shared<gol::ctx>();
@@ -109,8 +107,6 @@ int main(int ac, char **av) {
   context->selection_menu = std::make_shared<gol::SelectionMenu>(context);
   context->selection = std::make_shared<gol::Selection>(context);
   context->paterns_menu = std::make_shared<gol::PaternsMenu>(context);
-  context->patern_preview = std::make_shared<gol::PaternPreview>(context);
-  gol::Grid grid(context);
 
   // Speed handling values
   float sim_speed = 1.0f;
@@ -140,7 +136,6 @@ int main(int ac, char **av) {
 
     // Selection behaviour
     context->selection->update();
-    context->patern_preview->update();
     context->selection_menu->update();
     context->settings_menu->update();
 
@@ -157,10 +152,8 @@ int main(int ac, char **av) {
     }
     BeginDrawing();
     ClearBackground(BLACK);
-    grid.display();
     context->render->display(context->world);
     context->selection->display();
-    context->patern_preview->display();
     // Start ImGui frame
     rlImGuiBegin();
     context->control_menu->display();

src/patern_preview.cpp

@@ -1,69 +0,0 @@
-/*
-* File name: patern_preview.cpp
-* Author: lejulien
-* Date created: 01-01-1970 00:59:59
-// Date modified: 12-01-2026 21:30:10
-* ------
-*/
-
-#include <imgui.h>
-#include <raylib.h>
-#include <rlImGui.h>
-
-#include <patern_preview.hpp>
-#include <paterns_menu.hpp>
-#include <settings_menu.hpp>
-#include <snapping.hpp>
-#include <world.hpp>
-
-namespace gol {
-
-PaternPreview::PaternPreview(std::shared_ptr<ctx> context)
-    : context_(context) {}
-
-void PaternPreview::start() { is_started = true; }
-
-void PaternPreview::update() {
-  if (!is_started) return;
-  mouse_pos_ = GetMousePosition();
-  if (ImGui::IsMouseClicked(1)) {
-    is_started = false;
-    return;
-  }
-  if (ImGui::IsMouseClicked(0) && !is_unplacable_) {
-    auto selection_pos =
-        screenToGrid(mouse_pos_, context_->settings_menu->getCellSize());
-    Vector2i size = {context_->paterns_menu->patern_width_,
-                     context_->paterns_menu->patern_height_};
-    context_->world->setSelection(selection_pos, size,
-                                  context_->paterns_menu->loaded_patern_);
-    is_started = false;
-  }
-  // mouse should pass through any present windows
-}
-
-void PaternPreview::display() {
-  if (!is_started) return;
-  auto cell_size = context_->settings_menu->getCellSize();
-  auto mouse_in_grid =
-      screenToGrid(mouse_pos_, context_->settings_menu->getCellSize());
-  is_unplacable_ =
-      ((mouse_in_grid.x + context_->paterns_menu->patern_width_ >
-        context_->world->getWidth()) ||
-       (mouse_in_grid.y + context_->paterns_menu->patern_height_ >
-        context_->world->getHeight()));
-  for (int j = 0; j < context_->paterns_menu->patern_height_; j++) {
-    for (int i = 0; i < context_->paterns_menu->patern_width_; i++) {
-      auto cell =
-          context_->paterns_menu
-              ->loaded_patern_[i + (j * context_->paterns_menu->patern_width_)];
-      if (cell) {
-        DrawRectangle((i + mouse_in_grid.x) * cell_size,
-                      (j + mouse_in_grid.y) * cell_size, cell_size, cell_size,
-                      (is_unplacable_) ? RED : BLUE);
-      }
-    }
-  }
-}
-
-};  // namespace gol

src/paterns_menu.cpp

@@ -6,94 +6,49 @@
 * ------
 */
 
+#include <paterns_menu.hpp>
+
+#include <filesystem>
+
 #include <imgui.h>
 #include <raylib.h>
 #include <rlImGui.h>
 
-#include <filesystem>
-#include <fstream>
-#include <iostream>
-#include <paterns_menu.hpp>
-#include <patern_preview.hpp>
-#include <sstream>
-
 namespace gol {
 
-PaternsMenu::PaternsMenu(std::shared_ptr<ctx> ctx) : context_(ctx) {}
+PaternsMenu::PaternsMenu(std::shared_ptr<ctx> ctx): context_(ctx) {} 
 
-void PaternsMenu::Toogle() { is_open_ = !is_open_; }
+void PaternsMenu::Toogle() {
-
+  is_open_ = !is_open_;
-bool PaternsMenu::isOpen() { return is_open_; }
-
-void PaternsMenu::refresh() {
-  paterns_name_list_.clear();
-  paterns_paths_list_.clear();
-  auto paterns_path = context_->program_dir / "paterns";
-  if (std::filesystem::exists(paterns_path) &&
-      std::filesystem::is_directory(paterns_path)) {
-    for (const auto &entry :
-         std::filesystem::directory_iterator(paterns_path)) {
-      if (!std::filesystem::is_directory(entry) &&
-          entry.path().has_filename()) {
-        paterns_paths_list_[entry.path().filename()] = entry.path();
-        paterns_name_list_.push_back(entry.path().filename());
-      }
-    }
-  }
 }
 
-bool PaternsMenu::loadPatern(std::string &path) {
+bool PaternsMenu::isOpen() {
-  std::ifstream file(path);
+  return is_open_;
-  std::string file_data;
+}
-  if (!file.is_open()) {
+
-    std::cerr << "Failure in opening patern : " << path << std::endl;
+void PaternsMenu::refresh() {
-    return false;
+  paterns_list_.clear();
-  }
+  auto paterns_path = context_->program_dir / "paterns";
-  loaded_patern_.clear();
+  if (std::filesystem::exists(paterns_path) && std::filesystem::is_directory(paterns_path)) {
-  try {
+    for (const auto& entry : std::filesystem::directory_iterator(paterns_path)) {
-    std::getline(file, file_data);
+      paterns_list_.push_back(entry.path());
-    std::stringstream ss(file_data);
-    std::string width, height, data;
-    std::getline(ss, width, '|');
-    std::getline(ss, height, '|');
-    std::getline(ss, data, '|');
-    patern_width_ = std::stoi(width);
-    patern_height_ = std::stoi(height);
-    for (int i = 0; i < patern_width_ * patern_height_; i++) {
-      loaded_patern_.push_back((data[i] == '1') ? 1 : 0);
     }
-  } catch (std::exception &e) {
-    std::cerr << "Failure in loading patern : " << path << std::endl;
-    return false;
   }
-  return true;
 }
 
 void PaternsMenu::display() {
   if (is_open_) {
-    ImGuiWindowFlags paterns_flags =
+    ImGuiWindowFlags paterns_flags = ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoResize;
-        ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoResize;
+    ImGui::SetNextWindowSize(ImVec2(150, 200), ImGuiCond_Always);
-    ImGui::SetNextWindowSize(ImVec2(200, 250), ImGuiCond_Always);
     ImGui::Begin("paterns", &is_open_, paterns_flags);
-    for (auto patern_name : paterns_name_list_) {
+    if (ImGui::Button("refresh")) {
-      ImGui::PushID(patern_name.c_str());
+      refresh();
-      if (ImGui::Button(patern_name.c_str()) &&
+    }
-        loadPatern(paterns_paths_list_[patern_name])) {
+    for (auto patern_name: paterns_list_) {
-        context_->patern_preview->start();
+      ImGui::Button(patern_name.c_str());
-      }
-      ImGui::PopID();
-      ImGui::SameLine(ImGui::GetWindowWidth() - 57.);
-      std::string del_id = patern_name.c_str();
-      del_id.append("_del");
-      ImGui::PushID(del_id.c_str());
-      if (ImGui::Button("delete")) {
-        std::filesystem::remove(paterns_paths_list_[patern_name]);
-        refresh();
-      }
-      ImGui::PopID();
     }
     ImGui::End();
   }
 }
 
-}  // namespace gol
+} // namespace gol

src/selection_menu.cpp

@@ -12,7 +12,6 @@
 #include <filesystem>
 
 #include <selection_menu.hpp>
-#include <paterns_menu.hpp>
 
 namespace gol {
 
@@ -91,7 +90,6 @@ void SelectionMenu::display() {
           }
           patern_file << std::flush;
           patern_file.close();
-          context_->paterns_menu->refresh();
         }
       }
       sel_ctrl_ = false;

src/snapping.cpp

@@ -1,19 +0,0 @@
-/*
-* File name: snapping.hpp
-* Author: lejulien
-* Date created: 01-01-1970 00:59:59
-// Date modified: 12-01-2026 21:30:10
-* ------
-*/
-
-#include <snapping.hpp>
-
-Vector2 snapToGrid(Vector2 screen, int cell_size) {
-  return {static_cast<float>(round(screen.x / cell_size) * cell_size),
-          static_cast<float>(round(screen.y / cell_size) * cell_size)};
-}
-
-Vector2i screenToGrid(Vector2 screen, int cell_size) {
-  return {static_cast<int>(round(screen.x / cell_size)),
-          static_cast<int>(round(screen.y / cell_size))};
-}

src/world.cpp

@@ -143,6 +143,7 @@ void World::resize(int width, int height) {
 }
 
 std::vector<uint32_t> World::getSelection(Vector2i &origin, Vector2i &size) {
+  // We assume the selection is in the grid for now
   std::vector<uint32_t> data = {static_cast<uint32_t>(size.x),
                                 static_cast<uint32_t>(size.y)};
   for (int y = origin.y; y < origin.y + size.y; y++) {
@@ -152,12 +153,3 @@ std::vector<uint32_t> World::getSelection(Vector2i &origin, Vector2i &size) {
   }
   return data;
 }
-
-void World::setSelection(Vector2i &origin, Vector2i &size, std::vector<uint32_t> &data) {
-  
-  for (int y = 0; y < size.y; y++) {
-    for (int x = 0; x < size.x; x++) {
-      (*_data)[(x + origin.x) + (y + origin.y) * _width] = data[x + y * size.x];
-    }
-  }
-}