[Add] File loading and fix local 'exit' command.

client/src/game_state.cpp

@@ -4,7 +4,7 @@
 #include <thread>
 #include <chrono>
 
-#include "../../server/src/network_manager.h"
+#include "network_manager.h"
 #include "game_state.h"
 #include "gfx/shape_renderer.h"
 #include "gfx/txt_renderer.h"
@@ -12,7 +12,7 @@
 #include "ui/desktop.h"
 #include "ui/i_window_content.h"
 #include "ui/ui_window.h"
-#include "ui/window_action.h"
+#include "ui/editor.h"
 #include <ui/main_menu.h>
 #include <ui/boot_sequence.h>
 
@@ -128,6 +128,33 @@ void GameState::update(void) {
   case Screen::DESKTOP: {
     std::string server_msg;
       while(_network->poll_message(server_msg)) {
+        /* Check for 'special', non-terminal messages first. */
+          if(server_msg.rfind("FILEDATA::", 0) == 0) {
+            std::string payload = server_msg.substr(10);
+            size_t separator_pos = payload.find("::");
+            if(separator_pos != std::string::npos) {
+              std::string filepath = payload.substr(0, separator_pos);
+              std::string content = payload.substr(separator_pos+2);
+              auto editor = std::make_unique<Editor>();
+              editor->set_buffer_content(content);
+              auto editor_window = std::make_unique<UIWindow>(filepath.c_str(),
+                                                              200, 200, 600, 400);
+              editor_window->set_content(std::move(editor));
+              _desktop->add_window(std::move(editor_window));
+          }
+          continue;
+        }
+        if(server_msg == "__DISCONNECTED__") {
+          IWindowContent* content = _desktop->get_focused_window() ?
+                _desktop->get_focused_window()->get_content() : nullptr;
+          Terminal* terminal = dynamic_cast<Terminal*>(content);
+          if(terminal) {
+            terminal->add_history("Connection closed.");
+            _network->send("");
+          }
+          continue;
+        }
+        /* If not 'special' message, assume it's for terminal. */
         IWindowContent* content = _desktop->get_focused_window() ?
             _desktop->get_focused_window()->get_content() : nullptr;
         Terminal* terminal = dynamic_cast<Terminal*>(content);
@@ -154,18 +181,6 @@ void GameState::update(void) {
         }
       }
       if(_desktop) {
-        WindowAction action = _desktop->get_pending_action();
-        switch(action.type) {
-          case ActionType::WRITE_FILE: {
-            std::string message = "WRITEF::" + action.payload1 + "::" + action.payload2;
-            _network->send(message);
-            break;
-          }
-          case ActionType::NONE:
-          default:
-            /* Do nothing. */
-            break;
-        }
         /*
          * TODO: These fuck'in window dimensions just need to be global at this point!!
          * Pass GameState by reference ?

client/src/terminal.cpp

@@ -1,5 +1,6 @@
 #include <cstdio>
 #include <memory>
+#include <sstream>
 #include <SDL3/SDL.h>
 #include <GL/glew.h>
 #include <SDL3/SDL_events.h>
@@ -12,7 +13,7 @@
 
 Terminal::Terminal(ClientNetwork* network)
     : _network(network), _should_close(false), _scroll_offset(0),
-      _prompt("") {
+      _prompt(""), _pending_action({ActionType::NONE}) {
   _input_view = std::make_unique<TextView>(&_input_buffer, false);
 }
 
@@ -34,7 +35,6 @@ void Terminal::add_history(const std::string& line) {
   _history.push_back(line_with_spaces);
 
   if(line == "__CLOSE_CONNECTION__") {
-    _history.back() = "Connection closed by server.";
     _should_close = true;
   }
 }
@@ -43,25 +43,38 @@ void Terminal::set_prompt(const std::string& prompt) {
   _prompt = prompt;
 }
 
-bool Terminal::should_close(void) { return _should_close; }
+bool Terminal::should_close(void) {
+  return _should_close;
+}
 
 WindowAction Terminal::get_pending_action(void) {
-  return { ActionType::NONE };
+  WindowAction action = _pending_action;
+  _pending_action.type = ActionType::NONE;
+  return action;
 }
 
 void Terminal::_on_ret_press(void) {
   std::string command = _input_buffer.get_line(0);
-  _input_buffer.newline(); /* Add newline to buffer for histroy. */
   _input_buffer.clear();
 
-  /* Add the command to history. */
-  _history.push_back(_prompt + "> " + command);
-
   if(command == "clear") {
+    _history.push_back(_prompt + "> " + command);
     _history.clear();
     return;
   }
 
+  /* Client-side command handling. */
+  std::stringstream ss(command);
+  std::string cmd_name;
+  ss >> cmd_name;
+  if(cmd_name == "edit") {
+    _history.push_back(_prompt + "> " + command);
+    ss >> _pending_action.payload1; /* filename. */
+    _pending_action.type = ActionType::READ_FILE;
+    return;
+  }
+
+  _history.push_back(_prompt + "> " + command);
   _network->send(command);
 
   /* TODO: Ugly hack. Refactor to pass window height
@@ -77,9 +90,7 @@ void Terminal::_on_ret_press(void) {
 
 void Terminal::handle_input(SDL_Event* event) {
   /* Pass input to TextView; if true, RET was pressed. */
-  if(_input_view->handle_event(event)) {
-    _on_ret_press();
-  }
+  if(_input_view->handle_event(event)) { _on_ret_press(); }
 }
 
 void Terminal::scroll(int amount, int win_content_height) {

client/src/terminal.h

@@ -9,6 +9,7 @@
 #include "ui/text_buffer.h"
 #include "ui/text_view.h"
 #include "ui/i_window_content.h"
+#include "ui/window_action.h"
 
 class Terminal : public IWindowContent {
 public:
@@ -33,5 +34,6 @@ private:
   std::string _prompt;
   ClientNetwork* _network;
   TextBuffer _input_buffer;
+  WindowAction _pending_action;
   std::unique_ptr<TextView> _input_view;
 };

client/src/ui/desktop.cpp

@@ -2,6 +2,7 @@
 #include <ctime>
 #include <fstream>
 #include <cmath>
+#include <functional>
 #include <memory>
 
 #include "ui/editor.h"
@@ -158,6 +159,31 @@ void Desktop::handle_event(SDL_Event* event, int screen_width, int screen_height
 
 void Desktop::update(int screen_width, int screen_height) {
   /* Remove closed windows. */
+  if(_focused_window) {
+    IWindowContent* content = _focused_window->get_content();
+    if(content) {
+      WindowAction action = content->get_pending_action();
+      switch(action.type) {
+        case ActionType::WRITE_FILE: {
+          std::string message = "WRITEF::" + action.payload1 + "::" + action.payload2;
+          _network->send(message);
+          break;
+        }
+        case ActionType::READ_FILE: {
+          std::string message = "READF::" + action.payload1;
+          _network->send(message);
+          break;
+        }
+        default:
+          break;
+      }
+    }
+  }
+  for(auto& window : _windows) {
+    if(window) {
+      window->update();
+    }
+  }
   _update_wallpaper(screen_width, screen_height);
   _windows.erase(std::remove_if(_windows.begin(), _windows.end(),
                                 [this](const std::unique_ptr<UIWindow>& w) {
@@ -172,16 +198,6 @@ void Desktop::update(int screen_width, int screen_height) {
                  _windows.end());
 }
 
-WindowAction Desktop::get_pending_action(void) {
-  if(_focused_window) {
-    IWindowContent* content = _focused_window->get_content();
-    if(content) {
-      return content->get_pending_action();
-    }
-  }
-  return { ActionType::NONE };
-}
-
 UIWindow* Desktop::get_focused_window(void) {
   return _focused_window;
 }

client/src/ui/desktop.h

@@ -10,7 +10,6 @@
 #include "ui/ui_window.h"
 #include "ui/taskbar.h"
 #include "ui/launcher.h"
-#include "ui/window_action.h"
 
 /* Animated background stuff. */
 struct ScrollingText {
@@ -32,7 +31,6 @@ public:
   void render(ShapeRenderer* shape_renderer, TextRenderer* txt_renderer, int screen_height,
               bool show_cursor);
 
-  WindowAction get_pending_action(void);
   UIWindow* get_focused_window(void);
 
 private:

client/src/ui/editor.cpp

@@ -38,6 +38,10 @@ bool Editor::should_close(void) {
   return _should_close;
 }
 
+void Editor::set_buffer_content(const std::string& content) {
+  _buffer.set_text(content);
+}
+
 WindowAction Editor::get_pending_action(void) {
   WindowAction action = _pending_action;
   _pending_action.type = ActionType::NONE; /* Clear action. */

client/src/ui/editor.h

@@ -19,6 +19,7 @@ public:
               bool show_cursor) override;
   void scroll(int amount, int content_height) override;
   bool should_close(void) override;
+  void set_buffer_content(const std::string& content);
   WindowAction get_pending_action(void) override;
 
 private:

client/src/ui/ui_window.cpp

@@ -5,6 +5,7 @@
 #include "gfx/txt_renderer.h"
 #include "gfx/types.h"
 #include "ui/i_window_content.h"
+#include "ui/window_action.h"
 
 UIWindow::UIWindow(const char* title, int x, int y, int width, int height) :
     _title(title),
@@ -54,6 +55,12 @@ bool UIWindow::should_close(void) const {
   return _should_close;
 }
 
+void UIWindow::update(void) {
+  if(_content) {
+    if(_content->should_close()) { _should_close = true; }
+  }
+}
+
 void UIWindow::set_content(std::unique_ptr<IWindowContent> content) {
   _content = std::move(content);
 }

client/src/ui/ui_window.h

@@ -30,6 +30,7 @@ public:
   UIWindow(const char* title, int x, int y, int width, int height);
   ~UIWindow(void);
 
+  void update(void);
   void render(ShapeRenderer* shape_renderer, TextRenderer* txt_renderer, int screen_height,
               bool show_cursor);
   void handle_event(SDL_Event* event, int screen_width, int screen_height,

client/src/ui/window_action.h

@@ -4,7 +4,9 @@
 
 enum class ActionType {
   NONE,
-  WRITE_FILE
+  WRITE_FILE,
+  READ_FILE,
+  CLOSE_WINDOW
 };
 
 struct WindowAction {

common/src/command_processor.cpp

@@ -103,6 +103,15 @@ vfs_node* find_node_by_path(vfs_node* root, const std::string& path) {
   return current;
 }
 
+std::string CommandProcessor::read_file(const std::string& path) {
+  vfs_node* root = get_session_machine()->vfs_root;
+  vfs_node* node = find_node_by_path(root, path);
+  if(node && node->type == FILE_NODE) {
+    return node->content;
+  }
+  return "Error: file not found.";
+}
+
 void CommandProcessor::ensure_vfs_is_writable(void) {
   if(!_session_machine->is_vfs_a_copy) {
     /* VFS shared, copy required. */

common/src/command_processor.h

@@ -14,6 +14,7 @@ public:
 
   std::string process_command(const std::string& command);
   std::string write_file(const std::string& path, const std::string& content);
+  std::string read_file(const std::string& path);
 
   /* Public interface for API functions. */
   vfs_node* get_current_dir(void);

common/src/ui/text_buffer.cpp

@@ -84,3 +84,14 @@ void TextBuffer::clear(void) {
   _cursor_row = 0;
   _cursor_col = 0;
 }
+
+void TextBuffer::set_text(const std::string& text) {
+  _lines.clear();
+  std::stringstream ss(text);
+  std::string line;
+  while(std::getline(ss, line, '\n')) {
+    _lines.push_back(line);
+  }
+  _cursor_row = 0;
+  _cursor_col = 0;
+}

common/src/ui/text_buffer.h

@@ -25,6 +25,7 @@ public:
   Point get_cursor_pos(void) const;
   std::string get_text(void) const;
   void clear(void);
+  void set_text(const std::string& text);
 
 private:
   std::vector<std::string> _lines;

server/src/network_manager.cpp

@@ -122,6 +122,14 @@ void NetworkManager::on_message(std::shared_ptr<net::TcpConnection> connection,
     }
     return;
   }
+  if(message.rfind("READF::", 0) == 0) {
+    std::string filepath = message.substr(7);
+    fprintf(stderr, "[Player %u] Read file: '%s'\n", player->id, filepath.c_str());
+    std::string content = player->cmd_processor->read_file(filepath);
+    /* Send the content back to the client. */
+    connection->send("FILEDATA::" + filepath + "::" + content);
+    return;
+  }
 
   /* If no prefix, treat as normal terminal command. */
   fprintf(stderr, "[Player %u] Command: '%s'\n", player->id, message.c_str());