movement class

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 +1,66 @@
+// 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;
+};
+
+// Axis-aligned bounding-box collision
+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

@@ -1,30 +1,158 @@
 // src/game/state.cpp
 #include "state.h"
 #include "../render/player.h"
+#include "../timing/speed_controller.h"
+#include  "../assets/character_run_frames.h"
+#include  "../assets/character_walk_frames.h"
+#include  "../assets/character_crawl_frames.h"
+#include <cmath>
 
-void WalkingState::update() {
+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)...
+static inline int compute_frame_index(int frame_count,
+                                      float player_speed,
+                                      int tick_counter) {
+  if (frame_count <= 1) return 0;
+  if (player_speed <= 0.0f) return 0;
+
+  const int last = frame_count - 1;
+
+  // High-speed pattern: 0, rand(1..last-1), last, rand(1..last-1), ...
+  if (player_speed >= 7.0f) {
+    // Special-case 2-frame animations
+    if (frame_count <= 2) {
+      return (tick_counter & 1) ? 1 : 0;
+    }
+
+    // Even ticks → extremes (0 or last), alternating each time.
+    // Odd ticks → pseudo-random mid in [1..last-1].
+    if ((tick_counter & 1) == 0) {
+      // Alternate 0 and last on even ticks
+      bool choose_zero = ((tick_counter >> 1) & 1) == 0;
+      return choose_zero ? 0 : last;
+    } else {
+      // Simple deterministic PRNG from tick_counter and speed
+      unsigned int seed =
+          static_cast<unsigned int>(tick_counter) * 1664525u + 1013904223u;
+      seed ^= static_cast<unsigned int>(frame_count) * 2654435761u;
+      seed ^= static_cast<unsigned int>(player_speed * 997.0f);
+      int range = last - 1; // size of 1..last-1
+      if (range <= 0) return 0; // safety
+      int mid = 1 + static_cast<int>(seed % static_cast<unsigned int>(range));
+      return mid;
+    }
+  }
+
+  // Normal-speed regime: discrete ping‑pong with holds at both ends.
+  // - speed 1 => 0,1,2,...,last, last, ..., 2,1, 0,0 ...
+  // - speed 2 => advances 2 steps per tick (skipping every second timeline entry)
+  // - holds at ends make 0 and last appear more frequently
+  const int hold = 2; // how many extra steps to hold at each end
+
+  // One full ping‑pong cycle length:
+  // [hold at 0] + [ascend 1..last] + [hold at last] + [descend last-1..0]
+  const int ascend_len = last;   // produces 1..last (length = last)
+  const int descend_len = last;  // produces last-1..0 (length = last)
+  const int cycle_len = hold + ascend_len + hold + descend_len;
+
+  // Advance by an integer number of steps per tick based on speed
+  int step = static_cast<int>(floorf(player_speed + 0.5f));
+  if (step < 1) step = 1;
+
+  // Use 64-bit for safety, then fold into cycle length
+  const long long pos64 =
+      (static_cast<long long>(tick_counter) *
+       static_cast<long long>(step)) %
+      static_cast<long long>(cycle_len);
+  int pos = static_cast<int>(pos64);
+
+  // Map timeline position to frame index
+  if (pos < hold) {
+    return 0; // hold at 0
+  }
+  pos -= hold;
+
+  if (pos < ascend_len) {
+    // ascend: 1..last
+    return (pos + 1);
+  }
+  pos -= ascend_len;
+
+  if (pos < hold) {
+    return last; // hold at last
+  }
+  pos -= hold;
+
+  // descend: last-1 .. 0
+  return last - 1 - pos;
+}
+} // namespace
+
+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 (crawl_type != PlayerState::Crawl1 && crawl_type != PlayerState::Crawl2)
+    return;
+
+  previous_state = current_state;
+  current_state = crawl_type;
+  state_timer.stop();
   state_timer.reset();
   state_timer.start();
 }
 
-// TODO THIS NEEDS REDESIGN ACCORDING TO SPEED
+void MovementState::set_state(PlayerState s) {
-void WalkingState::toggle_walk_frame() {
+  if (current_state != s) {
-  if (++walk_index >= 7) walk_index = 0;
+    walk_index = run_index = crawl1_index = crawl2_index = 0;
+    phase = 0.0f;
+  }
+  current_state = s;
 }
 
-FrameSelection WalkingState::get_frame_selection() const {
+void MovementState::set_motion_state_for_speed(int player_speed, int ground_speed) {
-	FrameSelection f{MovementType::Walk, 0};
+    int relative = player_speed - ground_speed;
+    PlayerState new_state = (relative > 1) ? PlayerState::Run : PlayerState::Walk;
+    if (new_state != current_state) {
+        run_index = 0;
+        walk_index = 0;
+    }
+    current_state = new_state;
+}
 
+// TODO THIS NEEDS REDESIGN FOR WALK/RUN
+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);
+    break;
+
+  case PlayerState::Walk:
+    walk_index = compute_frame_index(CHARACTER_WALK_FRAME_COUNT, player_speed, tick_counter);
+    break;
+
+  case PlayerState::Crawl1:
+    crawl1_index = compute_frame_index(CHARACTER_CRAWL1_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 MovementState::get_frame_selection() const {
+    FrameSelection f{};
     switch (current_state) {
     case PlayerState::Walk:
         f.movement = MovementType::Walk;
@@ -34,9 +162,17 @@ 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;
+        f.frame_index = walk_index;
         break;
     }
     return f;

semestralka1/src/game/state.h

@@ -5,26 +5,33 @@
 
 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 toggle_walk_frame();
+
+  void set_motion_state_for_speed(int player_speed, int ground_speed);
+  void toggle_walk_frame(float player_speed, int tick_counter);
 
   FrameSelection get_frame_selection() const;
   PlayerState get_state() const { return current_state; }
+
+  void set_state(PlayerState s);
 };

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);
-    render_loop(1);
 }

semestralka1/src/render/background.cpp

@@ -1,17 +1,15 @@
 // src/render/background.cpp
 
+#include "background.h"
 #include "../assets/background_frame.h"
 #include <cstdio>
 #include <cstring>
 
 void draw_mask(const char *unused_filename, int shift, const char *text) {
-    const int view_width = 90;
-    const int view_height = 16;
-
     // Terminal clear + home
     printf("\033[2J\033[H");
 
-    for (int i = 0; i < view_height && i < VIEW_HEIGHT; i++) {
+    for (int i = 0; i < VIEW_HEIGHT && i < VIEW_HEIGHT; i++) {
         const char *row = BACKGROUND_MASK[i];
         int width = strlen(row);
         if (width == 0) {
@@ -21,7 +19,7 @@ void draw_mask(const char *unused_filename, int shift, const char *text) {
 
         int start = shift % width;
 
-        for (int j = 0; j < view_width; j++) {
+        for (int j = 0; j < VIEW_WIDTH; j++) {
             printf("%c", row[(start + j) % width]);
         }
         printf("\r\n");

semestralka1/src/render/background.h

@@ -1,6 +1,7 @@
 // src/render/background.h
 
 #pragma once
+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);

semestralka1/src/render/loop.cpp

@@ -7,29 +7,67 @@
 #include "player.h"
 #include "../game/state.h"
 #include "../game/animation.h"
+#include "../game/collision.h"
 #include "../hardware/uart.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 = 9;
+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);
+  MovementController mover(PLAYER_X, VIEW_WIDTH);
+  SpeedController timing;
+  timing.set_ground_speed(speed);
 
   CharacterPosition pos = {PLAYER_X, PLAYER_Y};
 
   const char *bg_file = "background_dark_inverted.txt";
   bool need_redraw = false;
 
-  while (true) {
+  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();
+
+  while (!game_over) {
+    tick_counter++;
+
+    mover.update_position(player_speed, timing.get_ground_speed());
+    pos.x = mover.get_position();
+
+    if (spawn_timer.elapsed_time() > 2s) {
+      spawn_timer.reset();
+      CrawlObstacleType s_type = CrawlObstacleType::Crawl1;
+      int spawn_x = VIEW_WIDTH;
+      int idx = spawn_obstacle(s_type, spawn_x);
+      if (idx >= 0) {
+	      obstacle_pool[idx].active = true;
+      }
+    }
+
     need_redraw = false;
     UartEvent uart_event = uart.poll();
 
@@ -38,8 +76,15 @@ void render_loop(int speed) {
     }
 
     if (uart_event == UartEvent::Triggered) {
-      // start crawl frame for x time
+      PlayerState current = player_state.get_state();
-      player_state.start_crawl();
+
+      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;
     }
 
@@ -47,19 +92,45 @@ void render_loop(int speed) {
     player_state.update();
 
     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());
       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);
 
-      if (player_state.get_state() != PlayerState::Crawl) {
+      // for (int i = 0; i < MAX_OBSTACLES; i++) {
-	player_state.toggle_walk_frame();
+      //   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/movement_controller.h

@@ -0,0 +1,29 @@
+// src/timing/movement_controller.h
+
+#pragma once
+#include "mbed.h"
+
+// Handles position of the player relative to ground movement
+class MovementController {
+private:
+    float x_pos;
+    const int view_width;
+
+    // Scale factor for translating speed difference to pixel movement
+    const float motion_scale = 0.2f;
+
+public:
+    MovementController(int start_x, int width) : x_pos(static_cast<float>(start_x)), view_width(width) {}
+
+    void reset(int start_x) { x_pos = static_cast<float>(start_x); }
+
+    void update_position(int player_speed, int ground_speed) {
+        int delta = player_speed - ground_speed;
+        x_pos += static_cast<float>(delta) * motion_scale;
+
+        if (x_pos < 0) x_pos = 0;
+        if (x_pos > (VIEW_WIDTH - 10)) x_pos = static_cast<float>(VIEW_WIDTH - 10);
+    }
+
+    int get_position() const { return static_cast<int>(x_pos); }
+};

semestralka1/src/timing/speed_controller.cpp

@@ -0,0 +1,34 @@
+// src/timing/speed_controller.cpp
+#include "speed_controller.h"
+
+void SpeedController::set_ground_speed(int spd) {
+    if (spd < 0) spd = 0;
+    if (spd > 30) spd = 30;
+    ground_speed = spd;
+}
+
+int SpeedController::frame_advance_for(int object_speed, int tick_counter) const {
+    if (object_speed <= 0) {
+        return 0;
+    }
+
+    if (ground_speed == 0) {
+        return 1 + object_speed;
+    }
+
+    const int delta = object_speed - ground_speed;
+
+    if (delta > 0) {
+        return 1 + delta;
+    }
+
+    if (delta == 0) {
+        return 1;
+    }
+
+    float ratio_f = static_cast<float>(ground_speed) / object_speed;
+    int ratio = static_cast<int>(ratio_f + 0.3f);
+    if (ratio < 1) ratio = 1;
+
+    return (tick_counter % ratio == 0) ? 1 : 0;
+}

semestralka1/src/timing/speed_controller.h

@@ -0,0 +1,17 @@
+// src/timing/speed_controller.h
+#pragma once
+#include "mbed.h"
+
+class SpeedController {
+private:
+    int ground_speed = 1;
+
+public:
+    SpeedController() = default;
+
+    void set_ground_speed(int spd);
+    int get_ground_speed() const { return ground_speed; }
+
+    // Calculates how many frames to advance for current tick.
+    int frame_advance_for(int object_speed, int tick_counter) const;
+};