multithreading done

semestralka1/src/assets/character_crawl_frames.h

@@ -49,7 +49,7 @@ static const int CHARACTER_CRAWL1_COLLISION_RIGHT_OFFSET = 1;
 static const int CHARACTER_CRAWL1_COLLISION_WIDTH = CHARACTER_CRAWL1_FRAME_WIDTH - (CHARACTER_CRAWL1_COLLISION_LEFT_OFFSET + CHARACTER_CRAWL1_COLLISION_RIGHT_OFFSET);
 static const int CHARACTER_CRAWL1_COLLISION_HEIGHT = CHARACTER_CRAWL1_FRAME_HEIGHT - 2;
 
-// Crawl2 collision box (lower posture → smaller collision height)
+// Crawl2 collision box (lower posture - smaller collision height)
 static const int CHARACTER_CRAWL2_FRAME_WIDTH = 8;
 static const int CHARACTER_CRAWL2_COLLISION_LEFT_OFFSET  = 1;
 static const int CHARACTER_CRAWL2_COLLISION_RIGHT_OFFSET = 0;

semestralka1/src/game/collision.h

@@ -5,7 +5,7 @@
 #include "../assets/character_run_frames.h"
 #include "../assets/character_crawl_frames.h"
 
-// Simple obstacle representation
+// Obstacle representation
 struct Obstacle {
     int x;
     int y;
@@ -13,7 +13,6 @@ struct Obstacle {
     int height;
 };
 
-// Axis-aligned bounding-box collision
 inline bool check_collision(const CharacterPosition& player,
                             MovementType movement,
                             const Obstacle& obs) {
@@ -48,7 +47,7 @@ inline bool check_collision(const CharacterPosition& player,
         break;
     }
 
-    // Player's bounding box
+    // Player bounding box
     const int player_left = box_x;
     const int player_right = player_left + box_w;
     const int player_top = player_bottom + box_h;
@@ -59,7 +58,7 @@ inline bool check_collision(const CharacterPosition& player,
     const int obs_bottom = obs.y;
     const int obs_top = obs_bottom + obs.height;
 
-    // Simple overlap check
+    // Overlap check
     bool horizontal = player_left < obs_right && player_right > obs_left;
     bool vertical = player_bottom < obs_top && player_top > obs_bottom;
     return horizontal && vertical;

semestralka1/src/game/game_state.cpp

@@ -0,0 +1,6 @@
+
+// src/game/game_state.cpp
+#include "game_state.h"
+
+GameState g_state;
+Mutex g_state_mutex;

semestralka1/src/game/game_state.h

@@ -0,0 +1,34 @@
+// src/game/game_state.h
+#pragma once
+#include "mbed.h"
+#include "../render/player.h"
+#include "../render/player_positioning.h"
+#include "../assets/obstacle_crawl_frames.h"
+
+// POZOR Z OBSTACLE MANAGERA
+constexpr int MAX_RENDER_OBSTACLES = 6;
+
+struct ObstacleRenderData {
+    int x;
+    int y;
+    CrawlObstacleType type;
+    bool active;
+};
+
+// All data needed to render one frame
+struct GameState {
+    CharacterPosition player_pos;
+    MovementType movement;
+    int frame_index;
+    
+    int background_shift;
+    
+    ObstacleRenderData obstacles[MAX_RENDER_OBSTACLES];
+    
+    bool game_over;
+    bool need_redraw;
+};
+
+// Global shared state and mutex
+extern GameState g_state;
+extern Mutex g_state_mutex;

semestralka1/src/game/obstacle_manager.h

@@ -4,7 +4,7 @@
 #include "../assets/obstacle_crawl_frames.h"
 #include "../assets/background_frame.h"
 
-// One movable obstacle
+// Movable obstacle
 struct MovingObstacle {
     Obstacle data;
     CrawlObstacleType type;
@@ -26,7 +26,7 @@ inline int spawn_obstacle(CrawlObstacleType type, int x_start) {
             obstacle_pool[i].data.width = (type == CrawlObstacleType::Crawl1) ? OBSTACLE_CRAWL1_COLLISION_WIDTH : OBSTACLE_CRAWL2_COLLISION_WIDTH;
             obstacle_pool[i].data.height = (type == CrawlObstacleType::Crawl1) ? OBSTACLE_CRAWL1_COLLISION_HEIGHT : OBSTACLE_CRAWL2_COLLISION_HEIGHT;
 
-            // Default Y so that the SPRITE touches the top of the screen.
+            // Default Y so that the character touches the top of the screen.
             // We store Y as the bottom of the COLLISION BOX in bottom-based world coords.
             int top_offset = 0;
             if (type == CrawlObstacleType::Crawl1) {

semestralka1/src/game/obstacle_system.h

@@ -6,7 +6,6 @@
 #include "collision.h"
 #include "mbed.h"
 
-// Small helper for minimal mbed-safe clamp
 inline int clamp_min(int a, int b) { return (a > b) ? a : b; }
 inline int clamp_max(int a, int b) { return (a < b) ? a : b; }
 
@@ -26,12 +25,8 @@ public:
 
         // Periodically spawn new obstacle
         if (tick_counter_ % SPAWN_EVERY_TICKS == 0) {
-            auto type = (spawn_index_++ % 2 == 0)
+            auto type = (spawn_index_++ % 2 == 0) ? CrawlObstacleType::Crawl1 : CrawlObstacleType::Crawl2;
-                            ? CrawlObstacleType::Crawl1
+            const int w = (type == CrawlObstacleType::Crawl1) ? OBSTACLE_CRAWL1_FRAME_WIDTH : OBSTACLE_CRAWL2_FRAME_WIDTH;
-                            : CrawlObstacleType::Crawl2;
-            const int w = (type == CrawlObstacleType::Crawl1)
-                              ? OBSTACLE_CRAWL1_FRAME_WIDTH
-                              : OBSTACLE_CRAWL2_FRAME_WIDTH;
             spawn_obstacle(type, VIEW_WIDTH - w - 1);
         }
 

semestralka1/src/game/state.cpp

@@ -91,19 +91,20 @@ static inline int compute_frame_index(int frame_count,
 }
 } // namespace
 
-void WalkingState::update() {
+void MovementState::update() {
   // stop crawling after duration
   if ((current_state == PlayerState::Crawl1 ||
       current_state == PlayerState::Crawl2) &&
       state_timer.elapsed_time() >= CRAWL_DURATION) {
-    current_state = PlayerState::Walk;
+    current_state = previous_state;
     state_timer.stop();
   }
 }
 
-void WalkingState::start_crawl(PlayerState crawl_type) {
+void MovementState::start_crawl(PlayerState crawl_type) {
-  if (crawl_type != PlayerState::Crawl1 && crawl_type != PlayerState::Crawl2)
+  if (current_state != PlayerState::Crawl1 && current_state != PlayerState::Crawl2) {
-    return;
+	  previous_state = current_state;
+  }
 
   current_state = crawl_type;
   state_timer.stop();
@@ -111,7 +112,7 @@ void WalkingState::start_crawl(PlayerState crawl_type) {
   state_timer.start();
 }
 
-void WalkingState::set_state(PlayerState s) {
+void MovementState::set_state(PlayerState s) {
   if (current_state != s) {
     walk_index = run_index = crawl1_index = crawl2_index = 0;
     phase = 0.0f;
@@ -119,7 +120,7 @@ void WalkingState::set_state(PlayerState s) {
   current_state = s;
 }
 
-void WalkingState::set_motion_state_for_speed(int player_speed, int ground_speed) {
+void MovementState::set_motion_state_for_speed(int player_speed, int ground_speed) {
     int relative = player_speed - ground_speed;
     PlayerState new_state = (relative > 1) ? PlayerState::Run : PlayerState::Walk;
     if (new_state != current_state) {
@@ -130,7 +131,7 @@ void WalkingState::set_motion_state_for_speed(int player_speed, int ground_speed
 }
 
 // TODO THIS NEEDS REDESIGN FOR WALK/RUN
-void WalkingState::toggle_walk_frame(float player_speed, int tick_counter) {
+void MovementState::toggle_walk_frame(float player_speed, int tick_counter) {
   switch (current_state) {
   case PlayerState::Run:
     run_index = compute_frame_index(CHARACTER_RUN_FRAME_COUNT, player_speed, tick_counter);
@@ -150,7 +151,7 @@ void WalkingState::toggle_walk_frame(float player_speed, int tick_counter) {
   }
 }
 
-FrameSelection WalkingState::get_frame_selection() const {
+FrameSelection MovementState::get_frame_selection() const {
     FrameSelection f{};
     switch (current_state) {
     case PlayerState::Walk:

semestralka1/src/game/state.h

@@ -12,9 +12,10 @@ struct FrameSelection {
   int frame_index;
 };
 
-class WalkingState {
+class MovementState {
 private:
   PlayerState current_state = PlayerState::Walk;
+  PlayerState previous_state = PlayerState::Walk;
   Timer state_timer;
   int walk_index = 0;   // cycles 0‑6
   int run_index  = 0;   // cycles 0‑6

semestralka1/src/hardware/button.cpp

@@ -0,0 +1,33 @@
+// src/hardware/button.cpp
+#include "button.h"
+
+ButtonHandler::ButtonHandler(PinName pin, PinName led_pin) : button(pin), led(led_pin, 0) {
+  // ISR for button press (falling edge)
+  button.fall(callback(this, &ButtonHandler::on_pressed));
+}
+
+void ButtonHandler::on_pressed() {
+  pressed_flag = true;
+}
+
+ButtonEvent ButtonHandler::poll() {
+  static Timer blink_timer;
+  static bool blinking = false;
+
+  if (pressed_flag) {
+    pressed_flag = false;
+    led = 1;
+    blink_timer.reset();
+    blink_timer.start();
+    blinking = true;
+    return ButtonEvent::Pressed;
+  }
+
+  if (blinking && blink_timer.elapsed_time() >= 500ms) {
+    led = 0;
+    blink_timer.stop();
+    blinking = false;
+  }
+
+  return ButtonEvent::None;
+}

semestralka1/src/hardware/button.h

@@ -0,0 +1,23 @@
+// src/hardware/button.h
+#pragma once
+#include "mbed.h"
+
+enum class ButtonEvent {
+  None = 0,
+  Pressed = 1,
+};
+
+class ButtonHandler {
+private:
+  InterruptIn button;
+  DigitalOut led;
+  volatile bool pressed_flag = false;
+  volatile bool blink_flag = false;
+
+  void on_pressed();
+
+public:
+  ButtonHandler(PinName pin = BUTTON1, PinName led_pin = LED1);
+
+  ButtonEvent poll();
+};

semestralka1/src/hardware/uart.cpp

@@ -1,49 +0,0 @@
-// src/hardware/uart.cpp
-#include "uart.h"
-#include <cstring>
-
-UartReader::UartReader(BufferedSerial &serial) : serial_port(serial) {
-  memset(rx_buffer, 0, sizeof(rx_buffer));
-  memset(message, 0, sizeof(message));
-}
-
-UartEvent UartReader::poll() {
-  bool changed = false;
-  bool triggered = false;
-
-  // cita spravu z uartu
-  if (serial_port.readable()) {
-    memset(rx_buffer, 0, sizeof(rx_buffer));
-    ssize_t num = serial_port.read(rx_buffer, sizeof(rx_buffer) - 1);
-    if (num > 0) {
-      strncpy(message, rx_buffer, sizeof(message) - 1);
-      message_active = true;
-      changed = true;
-      triggered = true;
-    }
-  }
-
-  // casovac na 1s zobrazenia spravy
-  if (!timer_started) {
-    msg_timer.start();
-    timer_started = true;
-  }
-
-  // po jednu sekundu sa sprava zobrazi
-  if (message_active && msg_timer.elapsed_time() > MESSAGE_DISPLAY_DURATION) {
-    message_active = false;
-    memset(message, 0, sizeof(message));
-    msg_timer.reset();
-    changed = true;
-  }
-
-  if (triggered)
-    return UartEvent::Triggered;
-  if (changed)
-    return UartEvent::MessageUpdate;
-  return UartEvent::NoChange;
-}
-
-const char* UartReader::get_message() const {
-  return message_active ? message : nullptr;
-}

semestralka1/src/hardware/uart.h

@@ -1,35 +0,0 @@
-// src/hardware/uart.h
-#pragma once
-#include "mbed.h"
-#include <cstddef>
-
-constexpr size_t UART_BUFFER_SIZE = 64;
-constexpr auto MESSAGE_DISPLAY_DURATION = 1s;
-
-enum class UartEvent {
-  NoChange = 0,      // No new data
-  MessageUpdate = 1, // Message changed (received or expired)
-  Triggered = 2      // New message received (trigger action)
-};
-
-class UartReader {
-private:
-  BufferedSerial &serial_port;
-  
-  char rx_buffer[UART_BUFFER_SIZE];
-  char message[UART_BUFFER_SIZE];
-  bool message_active = false;
-  
-  Timer msg_timer;
-  bool timer_started = false;
-
-public:
-  UartReader(BufferedSerial &serial);
-  
-  // Poll for UART events
-  UartEvent poll();
-  
-  // Get current message (nullptr if no active message)
-  const char* get_message() const;
-  bool has_message() const { return message_active; }
-};

semestralka1/src/main.cpp

@@ -21,6 +21,5 @@ int main(void) {
     serial_port.set_format(8, BufferedSerial::None, 1);
     printf("Baud: %d, Format: 8-N-1\r\n", BAUD_RATE);
 
-    // Just call into render feature
     render_loop(6);
 }

semestralka1/src/render/background.cpp

@@ -5,7 +5,7 @@
 #include <cstdio>
 #include <cstring>
 
-void draw_mask(const char *unused_filename, int shift, const char *text) {
+void draw_mask(const char *unused_filename, int shift) {
     // Terminal clear + home
     printf("\033[2J\033[H");
 
@@ -25,9 +25,5 @@ void draw_mask(const char *unused_filename, int shift, const char *text) {
         printf("\r\n");
     }
 
-    if (text && text[0] != '\0') {
-        printf("\r\n[RX] %s\r\n", text);
-    }
-
     fflush(stdout);
 }

semestralka1/src/render/background.h

@@ -4,4 +4,4 @@
 constexpr int VIEW_WIDTH = 90;
 
 // Draws the ASCII art background with optional message
-void draw_mask(const char *unused_filename, int shift, const char *text = nullptr);
+void draw_mask(const char *unused_filename, int shift);

semestralka1/src/render/loop.cpp

@@ -5,137 +5,170 @@
 #include "background.h"
 #include "mbed.h"
 #include "player.h"
+#include "background.h"
+#include "../game/game_state.h"
 #include "../game/state.h"
 #include "../game/animation.h"
 #include "../game/collision.h"
-#include "../hardware/uart.h"
+#include "../hardware/button.h"
 #include "../render/player.h"
 #include "../render/obstacle.h"
 #include "../timing/speed_controller.h"
 #include "../timing/movement_controller.h"
 #include "../game/obstacle_system.h"
 
-extern BufferedSerial serial_port;
 extern DigitalOut led;
 
 // Constants
 // constexpr int PLAYER_X = 9;
 constexpr int PLAYER_X = 29;
 constexpr int PLAYER_Y = 6;
+constexpr int STACK_SIZE = 4096;
 
-void draw_mask(const char *unused_filename, int shift, const char *text);
+Thread logic_thread(osPriorityNormal, STACK_SIZE);
-
+Thread render_thread(osPriorityNormal, STACK_SIZE);
-void render_loop(int speed) {
+void logic_loop() {
-  WalkingState player_state;
+  MovementState player_state;
   AnimationController animation;
-  UartReader uart(serial_port);
+  ButtonHandler button;
   MovementController mover(PLAYER_X, VIEW_WIDTH);
   SpeedController timing;
-  timing.set_ground_speed(speed);
+  timing.set_ground_speed(6);
 
   CharacterPosition pos = {PLAYER_X, PLAYER_Y};
-
+  player_state.set_state(PlayerState::Walk);
-  const char *bg_file = "background_dark_inverted.txt";
-  bool need_redraw = false;
-
-  int anim_tick_counter = 0;
-  int tick_counter = 0;
-  int player_speed = 6;
-  bool game_over = false;
-
-  player_state.set_state(PlayerState::Run);
-
-  CrawlObstacleType type = CrawlObstacleType::Crawl1;
-  int start_x = VIEW_WIDTH + 10;
-  spawn_obstacle(type, start_x);
 
   Timer spawn_timer;
   spawn_timer.start();
 
+  int anim_tick_counter = 0;
+  int tick_counter = 0;
+  bool game_over = false;
+
+  // Spawn first obstacle
+  spawn_obstacle(CrawlObstacleType::Crawl1, VIEW_WIDTH + 10);
+
   while (!game_over) {
     tick_counter++;
 
-    mover.update_position(player_speed, timing.get_ground_speed());
+    mover.update_position(6, timing.get_ground_speed());
     pos.x = mover.get_position();
 
+    // Spawn periodically
     if (spawn_timer.elapsed_time() > 2s) {
       spawn_timer.reset();
-      CrawlObstacleType s_type = CrawlObstacleType::Crawl1;
+      spawn_obstacle(CrawlObstacleType::Crawl1, VIEW_WIDTH);
-      int spawn_x = VIEW_WIDTH;
-      int idx = spawn_obstacle(s_type, spawn_x);
-      if (idx >= 0) {
-	      obstacle_pool[idx].active = true;
-      }
     }
 
-    need_redraw = false;
+    // Handle input
-    UartEvent uart_event = uart.poll();
+    if (button.poll() == ButtonEvent::Pressed) {
-
-    if (uart_event == UartEvent::MessageUpdate) {
-      need_redraw = true;
-    }
-
-    if (uart_event == UartEvent::Triggered) {
       PlayerState current = player_state.get_state();
-
+      if (current == PlayerState::Walk || current == PlayerState::Run)
-      if (current == PlayerState::Walk || current == PlayerState::Run) {
         player_state.start_crawl(PlayerState::Crawl1);
-      }
+      else if (current == PlayerState::Crawl1)
-      else if (current == PlayerState::Crawl1) {
         player_state.start_crawl(PlayerState::Crawl2);
-      }
-
-      need_redraw = true;
     }
 
-    // Check if crawl duration expired
     player_state.update();
 
-    if (animation.tick(speed)) {
+    bool anim_tick = animation.tick(6);
+    if (anim_tick) {
       anim_tick_counter++;
+      // move obstacles
       int ground_speed = timing.get_ground_speed();
       for (int i = 0; i < MAX_OBSTACLES; i++) {
         if (obstacle_pool[i].active) {
           obstacle_pool[i].data.x -= ground_speed;
-          // deactivate when offscreen
           if (obstacle_pool[i].data.x + obstacle_pool[i].data.width < 0)
             obstacle_pool[i].active = false;
         }
       }
 
-      need_redraw = true;
+      player_state.toggle_walk_frame(6, anim_tick_counter);
-    }
-
-    if (need_redraw) {
-      player_state.toggle_walk_frame(player_speed, anim_tick_counter);
-      draw_mask(bg_file, animation.get_shift(), uart.get_message());
       FrameSelection frame = player_state.get_frame_selection();
+      CharacterPosition draw_pos =
+          get_aligned_frame_position(pos, frame.movement, frame.frame_index);
 
-      CharacterPosition draw_pos = get_aligned_frame_position(pos, frame.movement, frame.frame_index);
+      // check collision
-      draw_character(draw_pos.x, draw_pos.y, frame.movement, frame.frame_index);
+      bool collision = false;
-
       for (int i = 0; i < MAX_OBSTACLES; i++) {
-	      if (!obstacle_pool[i].active)
+        if (obstacle_pool[i].active &&
-		      continue;
+            check_collision(pos, frame.movement, obstacle_pool[i].data)) {
-
+          collision = true;
-	      draw_obstacle(obstacle_pool[i].data.x,
+          break;
-			      obstacle_pool[i].data.y,
+        }
-			      obstacle_pool[i].type);
-
-          if (check_collision(pos, frame.movement, obstacle_pool[i].data)) {
-              printf("\033[2J\033[H");
-              printf("GAME OVER\r\n");
-              game_over = true;
-              break;
-          }
       }
 
-      if (game_over)
+      g_state_mutex.lock();
-	      break;
 
-      ThisThread::sleep_for(50ms);
+      g_state.player_pos = draw_pos;
+      g_state.movement = frame.movement;
+      g_state.frame_index = frame.frame_index;
+      g_state.background_shift = animation.get_shift();
+      g_state.need_redraw = true;
+      g_state.game_over = collision;
+
+      for (int i = 0; i < MAX_OBSTACLES; i++) {
+        g_state.obstacles[i].x = obstacle_pool[i].data.x;
+        g_state.obstacles[i].y = obstacle_pool[i].data.y;
+        g_state.obstacles[i].type = obstacle_pool[i].type;
+        g_state.obstacles[i].active = obstacle_pool[i].active;
+      }
+
+      g_state_mutex.unlock();
+
+      if (collision)
+        game_over = true;
     }
 
     ThisThread::sleep_for(25ms);
   }
+
+  // final update
+  g_state_mutex.lock();
+  g_state.game_over = true;
+  g_state_mutex.unlock();
+}
+
+void render_loop_thread() {
+  while (true) {
+    g_state_mutex.lock();
+    bool need = g_state.need_redraw;
+    bool over = g_state.game_over;
+    GameState local = g_state;
+    g_state.need_redraw = false;
+    g_state_mutex.unlock();
+
+    if (over) {
+      printf("\033[2J\033[H");
+      printf("GAME OVER\r\n");
+      break;
+    }
+
+    if (need) {
+      draw_mask("background", local.background_shift);
+      draw_character(local.player_pos.x, local.player_pos.y, local.movement,
+                     local.frame_index);
+      for (int i = 0; i < MAX_RENDER_OBSTACLES; i++) {
+        if (local.obstacles[i].active)
+          draw_obstacle(local.obstacles[i].x, local.obstacles[i].y,
+                        local.obstacles[i].type);
+      }
+    }
+
+    ThisThread::sleep_for(50ms);
+  }
+}
+
+void render_loop(int speed) {
+  g_state_mutex.lock();
+  g_state.need_redraw = false;
+  g_state.game_over = false;
+  g_state_mutex.unlock();
+
+  logic_thread.start(logic_loop);
+  render_thread.start(render_loop_thread);
+
+  logic_thread.join();
+  render_thread.join();
 }

semestralka1/src/timing/speed_controller.h

@@ -13,7 +13,5 @@ public:
     int get_ground_speed() const { return ground_speed; }
 
     // Calculates how many frames to advance for current tick.
-    // Takes object’s current speed and a global tick counter
-    // to automatically handle slower "wait" behavior.
     int frame_advance_for(int object_speed, int tick_counter) const;
 };