wippatern_preview: Adding patern preview

This adds a preview of the patern placement, checking out of bound

.gitea/workflows/test.yml

@@ -1,28 +0,0 @@
-name: Gol CI
-
-# Run on the merge of a pull request to the main branch
-on:
-  pull_request:
-    branches: [main]
-  push:
-    branches: [main]
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: Install dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y cmake libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libgl1-mesa-dev
-      - name: Build and test
-        run: |
-          mkdir build
-          cd build
-          cmake ..
-          make
-      - uses: actions/upload-artifact@v2
-        with:
-          name: gol-linux-build
-          path: /workspace/lejulien/GameOfLifeEditor/build/GameOfLifeEditor

.gitignore

@@ -1,6 +1,4 @@
 build
-build_linux
-build_win
 enc_temp_folder
 out
 _deps

CMakeLists.txt

@@ -8,8 +8,7 @@ set(CMAKE_CXX_EXTENSIONS OFF)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 if(WIN32)
-  #set(IMGUI_BACKEND "imgui_impl_dx11.cpp")  # DirectX 11 for Windows
+  set(IMGUI_BACKEND "imgui_impl_dx11.cpp")  # DirectX 11 for Windows
-  set(IMGUI_BACKEND "imgui_impl_opengl3.cpp")  # OpenGL for Linux
 elseif(APPLE)
   set(IMGUI_BACKEND "imgui_impl_metal.mm")  # Metal for macOS
 elseif(UNIX)
@@ -70,7 +69,6 @@ include_directories(${imgui_SOURCE_DIR} ${rlImGui_SOURCE_DIR})
 set(SRC_CXX_FILES "./src/main.cpp"
                   "./src/rules.cpp"
                   "./src/world.cpp"
-                  "./src/grid.cpp"
                   "./src/render.cpp"
                   "./src/control_menu.cpp"
                   "./src/settings_menu.cpp"
@@ -92,25 +90,3 @@ add_executable(${NAME} ${SRC_CXX_FILES})
 
 # Link raylib and raylib-cpp
 target_link_libraries(${NAME} PUBLIC raylib nlohmann_json::nlohmann_json)
-
-# Windows cross-compilation rule
-
-if (NOT DEFINED CMAKE_CROSSCOMPILE_WINDOWS_HELPER_ADDED)
-    set(CMAKE_CROSSCOMPILE_WINDOWS_HELPER_ADDED TRUE)
-
-    set(WIN_TOOLCHAIN_FILE "${CMAKE_SOURCE_DIR}/toolchain-mingw-w64-x86_64.cmake" CACHE PATH "Toolchain for Win x86_64")
-
-    add_custom_target(cmake-win
-        COMMAND ${CMAKE_COMMAND} -E echo "Configuring Windows x86_64 build in: ${CMAKE_SOURCE_DIR}/build-win-x86_64"
-        COMMAND ${CMAKE_COMMAND}
-            -S ${CMAKE_SOURCE_DIR}
-            -B ${CMAKE_SOURCE_DIR}/build-win-x86_64
-            -G "Ninja"
-            -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-            -DCMAKE_TOOLCHAIN_FILE=${WIN_TOOLCHAIN_FILE}
-        COMMAND ${CMAKE_COMMAND} --build ${CMAKE_SOURCE_DIR}/build-win-x86_64 -- -v
-        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
-        COMMENT "Configure & build for Windows x86_64 (MinGW-w64)"
-        VERBATIM
-    )
-endif()

README.md

@@ -2,16 +2,10 @@
 
 This is a simple Game Of Life editor written in C++ with raylib & dearImGUI
 
----
+***
-
-![preview](preview.png)
-
----
 
 ## How to compile the project
 
-### Linux
-
 Ensure you have g++, cmake and the dependencies of raylib
 
 ```shell
@@ -21,17 +15,4 @@ cmake ..
 make
 ```
 
-### Windows
+> As for now I will not make this program Windows compatible.
-
-If you're compiling for windows on linux, you can use mingw-w64
-
-```shell
-sudo apt install mingw-w64
-mkdir build
-cd build
-cmake .. -DCMAKE_TOOLCHAIN_FILE=../toolchain-ming-w64-x86_64.cmake
-make
-```
-If you're compiling for windows on windows, use your usual cmake workflow
-
-

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

@@ -27,7 +27,6 @@ private:
   bool is_started = false;
   std::shared_ptr<ctx> context_;
   Vector2 mouse_pos_ = {0, 0};
-  bool is_unplacable_ = false;
 };
 
 } // namespace gol

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

@@ -6,84 +6,11 @@
 * ------
 */
 
-#if defined(_WIN32)
-// Prevent windows.h from defining many symbols that clash with raylib
-#define NOGDICAPMASKS
-#define NOVIRTUALKEYCODES
-#define NOWINMESSAGES
-#define NOWINSTYLES
-#define NOSYSMETRICS
-#define NOMENUS
-#define NOICONS
-#define NOKEYSTATES
-#define NOSYSCOMMANDS
-#define NORASTEROPS
-#define NOSHOWWINDOW
-#define OEMRESOURCE
-#define NOATOM
-#define NOCLIPBOARD
-#define NOCOLOR
-#define NOCTLMGR
-#define NODRAWTEXT
-#define NOGDI
-#define NOKERNEL
-#define NOUSER
-#define NOMB
-#define NOMEMMGR
-#define NOMETAFILE
-#define NOMINMAX
-#define NOMSG
-#define NOOPENFILE
-#define NOSCROLL
-#define NOSERVICE
-#define NOSOUND
-#define NOTEXTMETRIC
-#define NOWH
-#define NOWINOFFSETS
-#define NOCOMM
-#define NOKANJI
-#define NOHELP
-#define NOPROFILER
-#define NODEFERWINDOWPOS
-#define NOMCX
-
-// Some code expects LPMSG; provide minimal typedef before windows.h
-typedef struct tagMSG *LPMSG;
-
-#include <windows.h>
-
-#undef PlaySound
-// Define a minimal BITMAPINFOHEADER if needed by downstream code
-typedef struct tagBITMAPINFOHEADER {
-  DWORD biSize;
-  LONG  biWidth;
-  LONG  biHeight;
-  WORD  biPlanes;
-  WORD  biBitCount;
-  DWORD biCompression;
-  DWORD biSizeImage;
-  LONG  biXPelsPerMeter;
-  LONG  biYPelsPerMeter;
-  DWORD biClrUsed;
-  DWORD biClrImportant;
-} BITMAPINFOHEADER, *PBITMAPINFOHEADER;
-
-#include <objbase.h>
-#include <mmreg.h>
-#include <mmsystem.h>
-
-#if defined(_MSC_VER) || defined(__TINYC__)
-#include "propidl.h"
-#endif
-
-#else
-#include <unistd.h>
-#endif
-
 #include <fstream>
 #include <iostream>
-
+#include <unistd.h>
 #include <nlohmann/json.hpp>
+
 #include <imgui.h>
 #include <raylib.h>
 #include <rlImGui.h>
@@ -99,7 +26,6 @@ typedef struct tagBITMAPINFOHEADER {
 #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>();
@@ -159,31 +85,11 @@ int main(int ac, char **av) {
 
   // Get program directory
   char path_buf[1024];
-#if defined(_WIN32)
-  std::wstring wbuf;
-  DWORD size = MAX_PATH;
-  for (;;) {
-    wbuf.resize(size);
-    DWORD result = GetModuleFileNameW(NULL, wbuf.data(), size);
-    if (result == 0) {
-      std::cerr << "Failed to determine program directory" << std::endl;
-      return 1;
-    }
-    if (result < size) {
-      wbuf.resize(result);
-      break;
-    }
-    size *= 2;
-  }
-  path_buf[0] = '\0';
-  WideCharToMultiByte(CP_UTF8, 0, wbuf.c_str(), -1, path_buf, sizeof(path_buf), NULL, NULL);
-#else
   ssize_t len = readlink("/proc/self/exe", path_buf, sizeof(path_buf)-1);
   if (len == -1) {
     std::cerr << "Failed to determine program directory" << std::endl;
     return 1;
   }
-#endif
   context->program_dir = std::filesystem::path(path_buf).parent_path();
 
   InitWindow(context->config_json["screen_width"], context->config_json["screen_height"],
@@ -203,7 +109,6 @@ int main(int ac, char **av) {
   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;
@@ -250,7 +155,6 @@ int main(int ac, char **av) {
     }
     BeginDrawing();
     ClearBackground(BLACK);
-    grid.display();
     context->render->display(context->world);
     context->selection->display();
     context->patern_preview->display();

src/patern_preview.cpp

@@ -30,28 +30,24 @@ void PaternPreview::update() {
     is_started = false;
     return;
   }
-  if (ImGui::IsMouseClicked(0) && !is_unplacable_) {
+  // if right click stop the preview
-    auto selection_pos =
+  // if left click, apply patern to current world
-        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;
+  std::cout << "preview display started " << std::endl;
   auto cell_size = context_->settings_menu->getCellSize();
   auto mouse_in_grid =
       screenToGrid(mouse_pos_, context_->settings_menu->getCellSize());
-  is_unplacable_ =
+  bool 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()));
+  std::cout << "mx:" << mouse_in_grid.x << ", my:" << mouse_in_grid.y
+            << ", cs:" << context_->settings_menu->getCellSize() << std::endl;
   for (int j = 0; j < context_->paterns_menu->patern_height_; j++) {
     for (int i = 0; i < context_->paterns_menu->patern_width_; i++) {
       auto cell =
@@ -60,7 +56,7 @@ void PaternPreview::display() {
       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);
+                      (is_unplacable) ? RED : BLUE);
       }
     }
   }

src/paterns_menu.cpp

@@ -35,14 +35,8 @@ void PaternsMenu::refresh() {
          std::filesystem::directory_iterator(paterns_path)) {
       if (!std::filesystem::is_directory(entry) &&
           entry.path().has_filename()) {
-#if defined(_WIN32)
-        paterns_paths_list_[entry.path().filename().string()] =
-            entry.path().string();
-        paterns_name_list_.push_back(entry.path().filename().string());
-#else
         paterns_paths_list_[entry.path().filename()] = entry.path();
         paterns_name_list_.push_back(entry.path().filename());
-#endif
       }
     }
   }

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];
-    }
-  }
-}

toolchain-mingw-w64-x86_64.cmake

@@ -1,21 +0,0 @@
-set(CMAKE_SYSTEM_NAME Windows)
-set(CMAKE_SYSTEM_VERSION 1)
-set(CMAKE_CROSSCOMPILING TRUE)
-
-set(MINGW_TRIPLET "x86_64-w64-mingw32")
-
-set(CMAKE_C_COMPILER   ${MINGW_TRIPLET}-gcc)
-set(CMAKE_CXX_COMPILER ${MINGW_TRIPLET}-g++)
-set(CMAKE_RC_COMPILER  ${MINGW_TRIPLET}-windres)
-set(CMAKE_AR           ${MINGW_TRIPLET}-ar)
-set(CMAKE_RANLIB       ${MINGW_TRIPLET}-ranlib)
-set(CMAKE_OBJCOPY      ${MINGW_TRIPLET}-objcopy)
-
-set(CMAKE_FIND_ROOT_PATH /usr/${MINGW_TRIPLET})
-set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
-set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
-set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
-
-set(CMAKE_C_FLAGS_INIT "-static -static-libgcc -static-libstdc++")
-set(CMAKE_CXX_FLAGS_INIT "-static -static-libgcc -static-libstdc++")
-