button press and blinking led on a button press

semestralka1/src/assets/character_crawl_frames.h

@@ -1,8 +1,8 @@
 // src/assets/character_crawl_frames.h
 #pragma once
 
-// Crawl frame 1
+// Crawl1 frame 1
-static const char *CRAWL_FRAME_1[] = {
+static const char *CRAWL1_FRAME_1[] = {
     "........",
     "........",
     "...y4@W.",
@@ -11,8 +11,8 @@ static const char *CRAWL_FRAME_1[] = {
     ".aa@s@.."
 };
 
-// Crawl frame 2
+// Crawl2 frame 1
-static const char *CRAWL_FRAME_2[] = {
+static const char *CRAWL2_FRAME_1[] = {
     "........",
     "........",
     "........",
@@ -21,18 +21,37 @@ static const char *CRAWL_FRAME_2[] = {
     ".a@@PR@L"
 };
 
-enum class CrawlFrame {
+enum class CrawlType {
     Crawl1 = 0,
     Crawl2,
     COUNT
 };
 
-static const char **CHARACTER_CRAWL_FRAMES[] = {
+static const char **CHARACTER_CRAWL1_FRAMES[] = {
-    CRAWL_FRAME_1,
+    CRAWL1_FRAME_1,
-    CRAWL_FRAME_2
+};
+static const char **CHARACTER_CRAWL2_FRAMES[] = {
+    CRAWL2_FRAME_1,
 };
 
-static const int CHARACTER_CRAWL_FRAME_COUNT = sizeof(CHARACTER_CRAWL_FRAMES) / sizeof(CHARACTER_CRAWL_FRAMES[0]);
+static const int CHARACTER_CRAWL1_FRAME_COUNT = sizeof(CHARACTER_CRAWL1_FRAMES) / sizeof(CHARACTER_CRAWL1_FRAMES[0]);
+static const int CHARACTER_CRAWL2_FRAME_COUNT = sizeof(CHARACTER_CRAWL2_FRAMES) / sizeof(CHARACTER_CRAWL2_FRAMES[0]);
 
 // Height (rows per crawl frame)
-static const int CHARACTER_CRAWL_FRAME_HEIGHT = sizeof(CRAWL_FRAME_1) / sizeof(CRAWL_FRAME_1[0]);
+static const int CHARACTER_CRAWL1_FRAME_HEIGHT = sizeof(CRAWL1_FRAME_1) / sizeof(CRAWL1_FRAME_1[0]);
+static const int CHARACTER_CRAWL2_FRAME_HEIGHT = sizeof(CRAWL2_FRAME_1) / sizeof(CRAWL2_FRAME_1[0]);
+
+
+// Crawl1 collision box
+static const int CHARACTER_CRAWL1_FRAME_WIDTH = 8;
+static const int CHARACTER_CRAWL1_COLLISION_LEFT_OFFSET  = 1;
+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)
+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;
+static const int CHARACTER_CRAWL2_COLLISION_WIDTH = CHARACTER_CRAWL2_FRAME_WIDTH - (CHARACTER_CRAWL2_COLLISION_LEFT_OFFSET + CHARACTER_CRAWL2_COLLISION_RIGHT_OFFSET);
+static const int CHARACTER_CRAWL2_COLLISION_HEIGHT = CHARACTER_CRAWL2_FRAME_HEIGHT - 4;

semestralka1/src/assets/character_run_frames.h

@@ -96,3 +96,11 @@ static const int CHARACTER_RUN_FRAME_COUNT = sizeof(CHARACTER_RUN_FRAMES) / size
 
 // Height (rows per run frame)
 static const int CHARACTER_RUN_FRAME_HEIGHT = sizeof(RUN_FRAME_1) / sizeof(RUN_FRAME_1[0]);
+
+static const int CHARACTER_RUN_COLLISION_HEIGHT = CHARACTER_RUN_FRAME_HEIGHT;
+
+static const int CHARACTER_RUN_FRAME_WIDTH = 8;
+static const int CHARACTER_RUN_COLLISION_LEFT_OFFSET  = 2;
+static const int CHARACTER_RUN_COLLISION_RIGHT_OFFSET = 2;
+// 8 je width a 2 zlava a 2 zprava
+static const int CHARACTER_RUN_COLLISION_WIDTH = CHARACTER_RUN_FRAME_WIDTH - (CHARACTER_RUN_COLLISION_LEFT_OFFSET + CHARACTER_RUN_COLLISION_RIGHT_OFFSET);

semestralka1/src/assets/character_walk_frames.h

@@ -96,3 +96,9 @@ static const int CHARACTER_WALK_FRAME_COUNT = sizeof(CHARACTER_WALK_FRAMES) / si
 
 // Height (rows per walk frame)
 static const int CHARACTER_WALK_FRAME_HEIGHT = sizeof(WALK_FRAME_1) / sizeof(WALK_FRAME_1[0]);
+
+static const int CHARACTER_WALK_FRAME_WIDTH = 6;
+static const int CHARACTER_WALK_COLLISION_LEFT_OFFSET  = 1;
+static const int CHARACTER_WALK_COLLISION_RIGHT_OFFSET = 1;
+// 8 je width a 2 zlava a 2 zprava
+static const int CHARACTER_WALK_COLLISION_WIDTH = CHARACTER_WALK_FRAME_WIDTH - (CHARACTER_WALK_COLLISION_LEFT_OFFSET + CHARACTER_WALK_COLLISION_RIGHT_OFFSET);

semestralka1/src/assets/obstacle_crawl_frames.h

@@ -0,0 +1,47 @@
+// src/assets/obstacle_crawl_frames.h
+#pragma once
+#include <cstring>
+
+// Crawl obstacle for CRAWL1 (2 lines tall)
+static const char *OBSTACLE_CRAWL1_FRAME[] = {
+    "#########",
+    ".######",
+    "..#####",
+    "..####",
+    "...###",
+    "...###"
+};
+
+// Crawl obstacle for CRAWL2 (4 lines tall)
+static const char *OBSTACLE_CRAWL2_FRAME[] = {
+    "###",
+    "###",
+    "###",
+    "###",
+    "###",
+    "###",
+    "###",
+    "###"
+};
+
+enum class CrawlObstacleType { Crawl1 = 0, Crawl2, COUNT };
+
+static const char **OBSTACLE_CRAWL_FRAMES[] = { OBSTACLE_CRAWL1_FRAME, OBSTACLE_CRAWL2_FRAME };
+
+// Crawl1 dimensions and collision
+static const int OBSTACLE_CRAWL1_FRAME_HEIGHT = sizeof(OBSTACLE_CRAWL1_FRAME) / sizeof(OBSTACLE_CRAWL1_FRAME[0]);
+static const int OBSTACLE_CRAWL1_FRAME_WIDTH = std::strlen(OBSTACLE_CRAWL1_FRAME[0]);
+static const int OBSTACLE_CRAWL1_COLLISION_LEFT_OFFSET = 3;
+static const int OBSTACLE_CRAWL1_COLLISION_RIGHT_OFFSET = 3;
+static const int OBSTACLE_CRAWL1_COLLISION_WIDTH = OBSTACLE_CRAWL1_FRAME_WIDTH - (OBSTACLE_CRAWL1_COLLISION_LEFT_OFFSET + OBSTACLE_CRAWL1_COLLISION_RIGHT_OFFSET);
+static const int OBSTACLE_CRAWL1_COLLISION_TOP_OFFSET = 4; // first 4 rows are just empty ('.')
+// collision box height = bottom 2 rows
+static const int OBSTACLE_CRAWL1_COLLISION_HEIGHT = 2;
+
+// Crawl2 dimensions and collision
+static const int OBSTACLE_CRAWL2_FRAME_HEIGHT = sizeof(OBSTACLE_CRAWL2_FRAME) / sizeof(OBSTACLE_CRAWL2_FRAME[0]);
+static const int OBSTACLE_CRAWL2_FRAME_WIDTH = std::strlen(OBSTACLE_CRAWL2_FRAME[0]);
+static const int OBSTACLE_CRAWL2_COLLISION_LEFT_OFFSET = 0;
+static const int OBSTACLE_CRAWL2_COLLISION_RIGHT_OFFSET = 0;
+static const int OBSTACLE_CRAWL2_COLLISION_WIDTH = OBSTACLE_CRAWL2_FRAME_WIDTH - (OBSTACLE_CRAWL2_COLLISION_LEFT_OFFSET + OBSTACLE_CRAWL2_COLLISION_RIGHT_OFFSET);
+static const int OBSTACLE_CRAWL2_COLLISION_HEIGHT = OBSTACLE_CRAWL2_FRAME_HEIGHT;

semestralka1/src/game/collision.h

@@ -0,0 +1,65 @@
+// src/game/collision.h
+#pragma once
+#include "../render/player_positioning.h"
+#include "../assets/character_walk_frames.h"
+#include "../assets/character_run_frames.h"
+#include "../assets/character_crawl_frames.h"
+
+// Obstacle representation
+struct Obstacle {
+    int x;
+    int y;
+    int width;
+    int height;
+};
+
+inline bool check_collision(const CharacterPosition& player,
+                            MovementType movement,
+                            const Obstacle& obs) {
+
+    // Player is given in bottom-based world coordinates (0 = bottom line)
+    const int player_x = player.x;
+    const int player_bottom = player.y;
+    int box_x = 0;
+    int box_w = 0;
+    int box_h = 0;
+
+    switch (movement) {
+    case MovementType::Walk:
+        box_x = player_x + CHARACTER_WALK_COLLISION_LEFT_OFFSET;
+        box_w = CHARACTER_WALK_COLLISION_WIDTH;
+        box_h = CHARACTER_WALK_FRAME_HEIGHT;
+        break;
+    case MovementType::Run:
+        box_x = player_x + CHARACTER_RUN_COLLISION_LEFT_OFFSET;
+        box_w = CHARACTER_RUN_COLLISION_WIDTH;
+        box_h = CHARACTER_RUN_COLLISION_HEIGHT;
+        break;
+    case MovementType::Crawl1:
+        box_x = player_x + CHARACTER_CRAWL1_COLLISION_LEFT_OFFSET;
+        box_w = CHARACTER_CRAWL1_COLLISION_WIDTH;
+        box_h = CHARACTER_CRAWL1_COLLISION_HEIGHT;
+        break;
+    case MovementType::Crawl2:
+        box_x = player_x + CHARACTER_CRAWL2_COLLISION_LEFT_OFFSET;
+        box_w = CHARACTER_CRAWL2_COLLISION_WIDTH;
+        box_h = CHARACTER_CRAWL2_COLLISION_HEIGHT;
+        break;
+    }
+
+    // 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;
+
+    // Obstacle bounding box
+    const int obs_left = obs.x;
+    const int obs_right = obs.x + obs.width;
+    const int obs_bottom = obs.y;
+    const int obs_top = obs_bottom + obs.height;
+
+    // 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/obstacle_manager.h

@@ -0,0 +1,56 @@
+// src/game/obstacle_manager.h
+#pragma once
+#include "../game/collision.h"
+#include "../assets/obstacle_crawl_frames.h"
+#include "../assets/background_frame.h"
+
+// Movable obstacle
+struct MovingObstacle {
+    Obstacle data;
+    CrawlObstacleType type;
+    bool active;
+};
+
+// Fixed obstacle pool
+constexpr int MAX_OBSTACLES = 6;
+static MovingObstacle obstacle_pool[MAX_OBSTACLES];
+
+// Create / reset obstacle in one slot
+inline int spawn_obstacle(CrawlObstacleType type, int x_start) {
+    for (int i = 0; i < MAX_OBSTACLES; i++) {
+        if (!obstacle_pool[i].active) {
+            obstacle_pool[i].active = true;
+            obstacle_pool[i].type = type;
+	    obstacle_pool[i].data.x = 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 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) {
+                top_offset = OBSTACLE_CRAWL1_COLLISION_TOP_OFFSET;
+            } else {
+                top_offset = 0;
+            }
+            const int i_bottom_of_collision = top_offset + obstacle_pool[i].data.height - 1;
+            // Top of screen in world coords is VIEW_HEIGHT - 1
+            const int collision_bottom_world_y = (VIEW_HEIGHT - 1) - i_bottom_of_collision;
+            obstacle_pool[i].data.y = collision_bottom_world_y;
+
+            return i;
+        }
+    }
+    return -1;
+}
+
+// Update X positions; mark inactive if offscreen
+inline void update_obstacles(int shift_speed) {
+    for (int i = 0; i < MAX_OBSTACLES; i++) {
+        if (!obstacle_pool[i].active) continue;
+        obstacle_pool[i].data.x -= shift_speed;
+        if (obstacle_pool[i].data.x + obstacle_pool[i].data.width < 0)
+            obstacle_pool[i].active = false;
+    }
+}

semestralka1/src/game/obstacle_system.h

@@ -0,0 +1,73 @@
+// src/game/obstacle_system.h
+#pragma once
+#include "obstacle_manager.h"
+#include "../render/player_positioning.h"
+#include "../assets/obstacle_crawl_frames.h"
+#include "collision.h"
+#include "mbed.h"
+
+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; }
+
+// Handles spawning, movement, rendering, and collision of obstacles
+class ObstacleSystem {
+public:
+    ObstacleSystem() : tick_counter_(0), spawn_index_(0) {}
+
+    // Called once per frame
+    bool update_and_draw(const CharacterPosition &player_pos,
+                         MovementType player_movement) {
+        // Update timers, move existing obstacles
+        tick_counter_++;
+        if (tick_counter_ % UPDATE_INTERVAL == 0) {
+            update_obstacles(1);
+        }
+
+        // Periodically spawn new obstacle
+        if (tick_counter_ % SPAWN_EVERY_TICKS == 0) {
+            auto type = (spawn_index_++ % 2 == 0) ? CrawlObstacleType::Crawl1 : CrawlObstacleType::Crawl2;
+            const int w = (type == CrawlObstacleType::Crawl1) ? OBSTACLE_CRAWL1_FRAME_WIDTH : OBSTACLE_CRAWL2_FRAME_WIDTH;
+            spawn_obstacle(type, VIEW_WIDTH - w - 1);
+        }
+
+        // Draw & collision check
+        for (int i = 0; i < MAX_OBSTACLES; i++) {
+            if (!obstacle_pool[i].active)
+                continue;
+
+            const char **frame = nullptr;
+            int height = 0;
+            if (obstacle_pool[i].type == CrawlObstacleType::Crawl1) {
+                frame = OBSTACLE_CRAWL1_FRAME;
+                height = OBSTACLE_CRAWL1_FRAME_HEIGHT;
+            } else {
+                frame = OBSTACLE_CRAWL2_FRAME;
+                height = OBSTACLE_CRAWL2_FRAME_HEIGHT;
+            }
+
+            draw_clipped_obstacle(obstacle_pool[i], frame, height);
+
+            // Collision check
+            if (check_collision(player_pos, player_movement,
+                                obstacle_pool[i].data)) {
+                printf("\033[2J\033[H");
+                printf("GAME OVER\r\n");
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+private:
+    static constexpr int SPAWN_EVERY_TICKS = 35;
+    static constexpr int UPDATE_INTERVAL = 1; // move obstacles each frame
+    int tick_counter_;
+    int spawn_index_;
+
+    static void draw_clipped_obstacle(const MovingObstacle &obs,
+                                      const char ** /*frame*/,
+                                      int /*frame_height*/) {
+        draw_obstacle(obs.data.x, obs.data.y, obs.type);
+    }
+};

semestralka1/src/game/state.cpp

@@ -8,6 +8,7 @@
 #include <cmath>
 
 namespace {
+// Vygenerovane AI, proste to nahodne vymiena obrazky - assests
 // Frame selector with two regimes:
 // 1) Normal (speed <= 6): ping‑pong with holds at both ends
 // 2) High‑speed (speed >= 7): 0, random(1..last-1), last, random(1..last-1)...
@@ -90,30 +91,36 @@ static inline int compute_frame_index(int frame_count,
 }
 } // namespace
 
-void WalkingState::update() {
+void MovementState::update() {
   // stop crawling after duration
-  if (current_state == PlayerState::Crawl &&
+  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() {
+void MovementState::start_crawl(PlayerState crawl_type) {
-  current_state = PlayerState::Crawl;
+  if (current_state != PlayerState::Crawl1 && current_state != PlayerState::Crawl2) {
+	  previous_state = current_state;
+  }
+
+  current_state = crawl_type;
+  state_timer.stop();
   state_timer.reset();
   state_timer.start();
 }
 
-void WalkingState::set_state(PlayerState s) {
+void MovementState::set_state(PlayerState s) {
   if (current_state != s) {
-    walk_index = run_index = crawl_index = 0;
+    walk_index = run_index = crawl1_index = crawl2_index = 0;
     phase = 0.0f;
   }
   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) {
@@ -124,26 +131,27 @@ 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 =
+    run_index = compute_frame_index(CHARACTER_RUN_FRAME_COUNT, player_speed, tick_counter);
-        compute_frame_index(CHARACTER_RUN_FRAME_COUNT, player_speed, tick_counter);
     break;
 
   case PlayerState::Walk:
-    walk_index =
+    walk_index = compute_frame_index(CHARACTER_WALK_FRAME_COUNT, player_speed, tick_counter);
-        compute_frame_index(CHARACTER_WALK_FRAME_COUNT, player_speed, tick_counter);
     break;
 
-  case PlayerState::Crawl:
+  case PlayerState::Crawl1:
-    crawl_index =
+    crawl1_index = compute_frame_index(CHARACTER_CRAWL1_FRAME_COUNT, player_speed, tick_counter);
-        compute_frame_index(CHARACTER_CRAWL_FRAME_COUNT, player_speed, tick_counter);
+    break;
+
+  case PlayerState::Crawl2:
+    crawl2_index = compute_frame_index(CHARACTER_CRAWL2_FRAME_COUNT, player_speed, tick_counter);
     break;
   }
 }
 
-FrameSelection WalkingState::get_frame_selection() const {
+FrameSelection MovementState::get_frame_selection() const {
     FrameSelection f{};
     switch (current_state) {
     case PlayerState::Walk:
@@ -154,9 +162,13 @@ FrameSelection WalkingState::get_frame_selection() const {
         f.movement = MovementType::Run;
         f.frame_index = run_index;
         break;
-    case PlayerState::Crawl:
+    case PlayerState::Crawl1:
-        f.movement = MovementType::Crawl;
+        f.movement = MovementType::Crawl1;
-        f.frame_index = crawl_index;
+        f.frame_index = crawl1_index;
+        break;
+    case PlayerState::Crawl2:
+        f.movement = MovementType::Crawl2;
+        f.frame_index = crawl2_index;
         break;
     default:
         f.movement = MovementType::Walk;

semestralka1/src/game/state.h

@@ -5,25 +5,27 @@
 
 constexpr auto CRAWL_DURATION = 300ms;
 
-enum class PlayerState { Walk, Run, Crawl };
+enum class PlayerState { Walk, Run, Crawl1, Crawl2 };
 
 struct FrameSelection {
   MovementType movement;
   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
-  int crawl_index = 0;  // cycles 0‑1
+  int crawl1_index = 0;  // cycles 0‑1
+  int crawl2_index = 0;  // cycles 0‑1
   float phase = 0.0f;
 
 public:
   void update();
-  void start_crawl();
+  void start_crawl(PlayerState crawl_type);
 
   void set_motion_state_for_speed(int player_speed, int ground_speed);
   void toggle_walk_frame(float player_speed, int tick_counter);

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

@@ -5,14 +5,17 @@
 #include "background.h"
 #include "mbed.h"
 #include "player.h"
+#include "background.h"
 #include "../game/state.h"
 #include "../game/animation.h"
-#include "../hardware/uart.h"
+#include "../game/collision.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
@@ -20,12 +23,10 @@ extern DigitalOut led;
 constexpr int PLAYER_X = 29;
 constexpr int PLAYER_Y = 6;
 
-void draw_mask(const char *unused_filename, int shift, const char *text);
-
 void render_loop(int speed) {
-  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);
@@ -38,24 +39,45 @@ void render_loop(int speed) {
   int anim_tick_counter = 0;
   int tick_counter = 0;
   int player_speed = 6;
+  bool game_over = false;
 
-  player_state.set_state(PlayerState::Run);
+  player_state.set_state(PlayerState::Walk);
-  while (true) {
+
+  CrawlObstacleType type = CrawlObstacleType::Crawl1;
+  int start_x = VIEW_WIDTH + 10;
+  spawn_obstacle(type, start_x);
+
+  Timer spawn_timer;
+  spawn_timer.start();
+
+  while (!game_over) {
     tick_counter++;
 
     mover.update_position(player_speed, timing.get_ground_speed());
     pos.x = mover.get_position();
 
-    need_redraw = false;
+    if (spawn_timer.elapsed_time() > 2s) {
-    UartEvent uart_event = uart.poll();
+      spawn_timer.reset();
-
+      CrawlObstacleType s_type = CrawlObstacleType::Crawl1;
-    if (uart_event == UartEvent::MessageUpdate) {
+      int spawn_x = VIEW_WIDTH;
-      need_redraw = true;
+      int idx = spawn_obstacle(s_type, spawn_x);
+      if (idx >= 0) {
+        obstacle_pool[idx].active = true;
+      }
     }
 
-    if (uart_event == UartEvent::Triggered) {
+    need_redraw = false;
-      // start crawl frame for x time
+    ButtonEvent button_event = button.poll();
-      player_state.start_crawl();
+
+    if (button_event == ButtonEvent::Pressed) {
+      PlayerState current = player_state.get_state();
+
+      if (current == PlayerState::Walk || current == PlayerState::Run) {
+        player_state.start_crawl(PlayerState::Crawl1);
+      } else if (current == PlayerState::Crawl1) {
+        player_state.start_crawl(PlayerState::Crawl2);
+      }
+
       need_redraw = true;
     }
 
@@ -64,17 +86,45 @@ void render_loop(int speed) {
 
     if (animation.tick(speed)) {
       anim_tick_counter++;
+      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;
     }
 
     if (need_redraw) {
       player_state.toggle_walk_frame(player_speed, anim_tick_counter);
-      draw_mask(bg_file, animation.get_shift(), uart.get_message());
+      draw_mask(bg_file, animation.get_shift());
       FrameSelection frame = player_state.get_frame_selection();
 
       CharacterPosition draw_pos = get_aligned_frame_position(pos, frame.movement, frame.frame_index);
       draw_character(draw_pos.x, draw_pos.y, frame.movement, frame.frame_index);
 
+      // for (int i = 0; i < MAX_OBSTACLES; i++) {
+      //   if (!obstacle_pool[i].active)
+      //     continue;
+
+      //   draw_obstacle(obstacle_pool[i].data.x, 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)
+	      break;
+
       ThisThread::sleep_for(50ms);
     }
 

semestralka1/src/render/obstacle.cpp

@@ -0,0 +1,56 @@
+// src/render/obstacle.cpp
+#include "obstacle.h"
+#include "../assets/obstacle_crawl_frames.h"
+#include "../assets/background_frame.h"
+#include <cstdio>
+
+// Draws an obstacle using bottom‑based world coordinates.
+// x = left edge of the collision box in world space
+// y = bottom edge of the collision box in world space (0 = ground)
+void draw_obstacle(int x, int y, CrawlObstacleType type) {
+    const char **obstacle_frame = nullptr;
+    int frame_total_height = 0;
+
+    // Collision‑model parameters for this obstacle
+    int collision_top_offset = 0;   // rows from visual top to top of collision box
+    int collision_height = 0;       // rows tall
+    int collision_left_offset = 0;  // columns from visual left to collision left
+
+    switch (type) {
+    case CrawlObstacleType::Crawl1:
+        obstacle_frame = OBSTACLE_CRAWL1_FRAME;
+        frame_total_height = OBSTACLE_CRAWL1_FRAME_HEIGHT;
+        collision_top_offset = OBSTACLE_CRAWL1_COLLISION_TOP_OFFSET;
+        collision_height = OBSTACLE_CRAWL1_COLLISION_HEIGHT;
+        collision_left_offset = OBSTACLE_CRAWL1_COLLISION_LEFT_OFFSET;
+        break;
+
+    case CrawlObstacleType::Crawl2:
+        obstacle_frame = OBSTACLE_CRAWL2_FRAME;
+        frame_total_height = OBSTACLE_CRAWL2_FRAME_HEIGHT;
+        collision_top_offset = 0;
+        collision_height = OBSTACLE_CRAWL2_COLLISION_HEIGHT;
+        collision_left_offset = OBSTACLE_CRAWL2_COLLISION_LEFT_OFFSET;
+        break;
+
+    default:
+        return; // no rendering for invalid type
+    }
+
+    // Convert bottom‑based (world) coordinates to screen coordinates.
+    // Y of the collision bottom is given; translate to where to start drawing the visual frame.
+    const int frame_row_index_bottom = collision_top_offset + collision_height - 1;
+    const int frame_top_world_y = y + frame_row_index_bottom;
+    const int frame_top_screen_row = VIEW_HEIGHT - frame_top_world_y;
+
+    // X of the collision box is given; shift left to the visual frame's starting column.
+    const int frame_screen_x = x - collision_left_offset;
+
+    for (int i = 0; i < frame_total_height; i++) {
+        const int screen_row = frame_top_screen_row + i;
+        if (screen_row < 1 || screen_row > VIEW_HEIGHT) continue;
+        printf("\033[%d;%dH%s", screen_row, frame_screen_x + 1, obstacle_frame[i]);
+    }
+
+    fflush(stdout);
+}

semestralka1/src/render/obstacle.h

@@ -0,0 +1,7 @@
+// src/render/obstacle.h
+#pragma once
+
+#include "../assets/obstacle_crawl_frames.h"
+
+// Draw the obstacle ASCII block starting at given (x, y)
+void draw_obstacle(int x, int y, CrawlObstacleType type);

semestralka1/src/render/player.cpp

@@ -27,12 +27,20 @@ void draw_character(int x, int y, MovementType movement, int frame_index) {
         character_height = CHARACTER_RUN_FRAME_HEIGHT;
         break;
 
-    case MovementType::Crawl:
+    case MovementType::Crawl1:
-        total_frames = CHARACTER_CRAWL_FRAME_COUNT;
+        total_frames = CHARACTER_CRAWL1_FRAME_COUNT;
         if (frame_index < 0 || frame_index >= total_frames)
             frame_index = 0;
-        character = CHARACTER_CRAWL_FRAMES[frame_index];
+        character = CHARACTER_CRAWL1_FRAMES[frame_index];
-        character_height = CHARACTER_CRAWL_FRAME_HEIGHT;
+        character_height = CHARACTER_CRAWL1_FRAME_HEIGHT;
+        break;
+
+    case MovementType::Crawl2:
+        total_frames = CHARACTER_CRAWL2_FRAME_COUNT;
+        if (frame_index < 0 || frame_index >= total_frames)
+            frame_index = 0;
+        character = CHARACTER_CRAWL2_FRAMES[frame_index];
+        character_height = CHARACTER_CRAWL2_FRAME_HEIGHT;
         break;
     }
 

semestralka1/src/render/player.h

@@ -4,7 +4,8 @@
 enum class MovementType {
     Walk,
     Run,
-    Crawl
+    Crawl1,
+    Crawl2
 };
 
 // Draw the player object starting at given (x, y)

semestralka1/src/render/player_positioning.cpp

@@ -18,8 +18,11 @@ CharacterPosition get_aligned_frame_position(CharacterPosition base,
     case MovementType::Run:
         character_height = CHARACTER_RUN_FRAME_HEIGHT;
         break;
-    case MovementType::Crawl:
+    case MovementType::Crawl1:
-        character_height = CHARACTER_CRAWL_FRAME_HEIGHT;
+        character_height = CHARACTER_CRAWL1_FRAME_HEIGHT;
+        break;
+    case MovementType::Crawl2:
+        character_height = CHARACTER_CRAWL2_FRAME_HEIGHT;
         break;
     }
 

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;
 };