button press and blinking led on a button press

semestralka1/chafa/character/crawl/out_crawl1.txt

@@ -0,0 +1,6 @@
+........
+........
+...y4@W.
+..a@a`..
+..@@R@=.
+.aa@s@..

semestralka1/chafa/character/crawl/out_crawl2.txt

@@ -0,0 +1,6 @@
+........
+........
+........
+.____...
+.@@@@yg,
+.a@@PR@L

semestralka1/chafa/character/run/out_run1.txt

@@ -0,0 +1,6 @@
+....g@w.
+..._ZF~.
+..@~@@y=
+.".g@_`.
+_ygF.Ry.
+`~`...4L

semestralka1/chafa/character/run/out_run2.txt

@@ -0,0 +1,6 @@
+....g@w.
+..._Z~~.
+..aM@$y,
+..~a@_`.
+.yy@`$..
+..`..@..

semestralka1/chafa/character/run/out_run3.txt

@@ -0,0 +1,6 @@
+...a@$..
+..._Z~..
+..a@@...
+..R@@=..
+.yy@@...
+.``u@...

semestralka1/chafa/character/run/out_run4.txt

@@ -0,0 +1,6 @@
+..g@$...
+..yT`...
+.g@F....
+.4@L....
+._$$....
+.`@~....

semestralka1/chafa/character/run/out_run5.txt

@@ -0,0 +1,6 @@
+...@@...
+.._Z~...
+..@@....
+..$@#...
+..g@L...
+.yFP....

semestralka1/chafa/character/run/out_run6.txt

@@ -0,0 +1,6 @@
+....@@..
+..._Z~..
+..y@@,_.
+..@$@~~.
+..y@~$..
+.aF~.4L.

semestralka1/chafa/character/run/out_run7.txt

@@ -0,0 +1,6 @@
+....a@e.
+..._ZF`.
+..a~@@y=
+..'y@L`.
+_yyP.4y.
+`~`...4L

semestralka1/chafa/character/run_chafa.txt

@@ -2,3 +2,4 @@ chafa --symbols ascii-block -c none --fill none --invert --size=13x20 predloha_r
 
 a = 78x111
 b = 34x111
+walk = 60x111

semestralka1/chafa/character/walk/out_walk1.txt

@@ -0,0 +1,6 @@
+..a@w.
+.._T`.
+.s@@y.
+.^$$~T
+.y@`$.
+=F..?K

semestralka1/chafa/character/walk/out_walk2.txt

@@ -0,0 +1,6 @@
+..y@$.
+.._Z~.
+.y@@L.
+.4W@Z!
+._$~$.
+~~`.0.

semestralka1/chafa/character/walk/out_walk3.txt

@@ -0,0 +1,6 @@
+..g@L.
+.._T~.
+.g@$..
+.J@@..
+_y$4L.
+~~.4~.

semestralka1/chafa/character/walk/out_walk4.txt

@@ -0,0 +1,6 @@
+..a@w.
+..~T~.
+..@$..
+..@$..
+..y@..
+."~@..

semestralka1/chafa/character/walk/out_walk5.txt

@@ -0,0 +1,6 @@
+..@@..
+..Z~..
+..@L..
+..@L..
+..$%..
+.4F...

semestralka1/chafa/character/walk/out_walk6.txt

@@ -0,0 +1,6 @@
+.u@$..
+..Z~..
+.g@_..
+.$@5+.
+._BL..
+uP.@..

semestralka1/chafa/character/walk/out_walk7.txt

@@ -0,0 +1,6 @@
+..a@w.
+.._T`.
+.s@@y.
+.^$$~T
+.yE`$.
+=F..JK

semestralka1/src/assets/character_crawl_frames.h

@@ -0,0 +1,57 @@
+// src/assets/character_crawl_frames.h
+#pragma once
+
+// Crawl1 frame 1
+static const char *CRAWL1_FRAME_1[] = {
+    "........",
+    "........",
+    "...y4@W.",
+    "..a@a`..",
+    "..@@R@=.",
+    ".aa@s@.."
+};
+
+// Crawl2 frame 1
+static const char *CRAWL2_FRAME_1[] = {
+    "........",
+    "........",
+    "........",
+    ".____...",
+    ".@@@@yg,",
+    ".a@@PR@L"
+};
+
+enum class CrawlType {
+    Crawl1 = 0,
+    Crawl2,
+    COUNT
+};
+
+static const char **CHARACTER_CRAWL1_FRAMES[] = {
+    CRAWL1_FRAME_1,
+};
+static const char **CHARACTER_CRAWL2_FRAMES[] = {
+    CRAWL2_FRAME_1,
+};
+
+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_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_frames.h

@@ -1,54 +0,0 @@
-// src/assets/character_frames.h
-
-#pragma once
-
-// Player frame 1
-static const char *CHARACTER_MASK_FRAME_1[] = {
-    ".....a@$..",
-    ".....7PF..",
-    "..yaM@@__y",
-    "..@.y@FFF~",
-    "..._$M@_..",
-    "yaa@~.`@y.",
-    "........@r"
-};
-
-// Player frame 2
-static const char *CHARACTER_MASK_FRAME_2[] = {
-    ".g@$",
-    ".7PF",
-    "y@$.",
-    "0@F.",
-    "4@$.",
-    "y$@.",
-    "u@.."
-};
-
-// Player frame 3 (triggered)
-static const char *CHARACTER_MASK_FRAME_3[] = {
-    ".._$@.",
-    ".$By`.",
-    "4@$@@a",
-    "aa@W@."
-};
-
-enum class CharacterFrame {
-    Walk1 = 0,
-    Walk2,
-    Crawl1,
-    COUNT // number of frames, must stay last
-};
-
-// Combine frames for easy access
-static const char **PLAYER_FRAMES[] = {
-    CHARACTER_MASK_FRAME_1, // Walk1
-    CHARACTER_MASK_FRAME_2, // Walk1
-    CHARACTER_MASK_FRAME_3  // Crawl1
-};
-
-static const int CHARACTER_FRAME_COUNT = static_cast<int>(CharacterFrame::COUNT);
-
-// Height per frame
-static const int CHARACTER_HEIGHT_1 = sizeof(CHARACTER_MASK_FRAME_1) / sizeof(CHARACTER_MASK_FRAME_1[0]);
-static const int CHARACTER_HEIGHT_2 = sizeof(CHARACTER_MASK_FRAME_2) / sizeof(CHARACTER_MASK_FRAME_2[0]);
-static const int CHARACTER_HEIGHT_3 = sizeof(CHARACTER_MASK_FRAME_3) / sizeof(CHARACTER_MASK_FRAME_3[0]);

semestralka1/src/assets/character_run_frames.h

@@ -0,0 +1,106 @@
+// src/assets/character_run_frames.h
+#pragma once
+
+// Run frame 1
+static const char *RUN_FRAME_1[] = {
+    "....g@w.",
+    "..._ZF~.",
+    "..@~@@y=",
+    "\".g@_`.",
+    "_ygF.Ry.",
+    "`~`...4L",
+};
+
+// Run frame 2
+static const char *RUN_FRAME_2[] = {
+    "....g@w.",
+    "..._Z~~.",
+    "..aM@$y,",
+    "..~a@_`.",
+    ".yy@`$..",
+    "..`..@..",
+};
+
+// Run frame 3
+static const char *RUN_FRAME_3[] = {
+    "...a@$..",
+    "..._Z~..",
+    "..a@@...",
+    "..R@@=..",
+    ".yy@@...",
+    ".``u@...",
+};
+
+// Run frame 4
+static const char *RUN_FRAME_4[] = {
+    "..g@$...",
+    "..yT`...",
+    ".g@F....",
+    ".4@L....",
+    "._$$....",
+    ".`@~....",
+};
+
+// Run frame 5
+static const char *RUN_FRAME_5[] = {
+    "...@@...",
+    ".._Z~...",
+    "..@@....",
+    "..$@#...",
+    "..g@L...",
+    ".yFP....",
+};
+
+// Run frame 6
+static const char *RUN_FRAME_6[] = {
+    "....@@..",
+    "..._Z~..",
+    "..y@@,_.",
+    "..@$@~~.",
+    "..y@~$..",
+    ".aF~.4L.",
+};
+
+// Run frame 7
+static const char *RUN_FRAME_7[] = {
+    "....a@e.",
+    "..._ZF`.",
+    "..a~@@y=",
+    "..'y@L`.",
+    "_yyP.4y.",
+    "`~`...4L",
+};
+
+enum class RunFrame {
+    Run1 = 0,
+    Run2,
+    Run3,
+    Run4,
+    Run5,
+    Run6,
+    Run7,
+    COUNT
+};
+
+static const char **CHARACTER_RUN_FRAMES[] = {
+    RUN_FRAME_1,
+    RUN_FRAME_2,
+    RUN_FRAME_3,
+    RUN_FRAME_4,
+    RUN_FRAME_5,
+    RUN_FRAME_6,
+    RUN_FRAME_7,
+};
+
+static const int CHARACTER_RUN_FRAME_COUNT = sizeof(CHARACTER_RUN_FRAMES) / sizeof(CHARACTER_RUN_FRAMES[0]);
+
+// 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

@@ -0,0 +1,104 @@
+// src/assets/character_walk_frames.h
+#pragma once
+
+// Walk frame 1
+static const char *WALK_FRAME_1[] = {
+    "..a@w.",
+    ".._T`.",
+    ".s@@y.",
+    ".^$$~T",
+    ".y@`$.",
+    "=F..?K",
+};
+
+// Walk frame 2
+static const char *WALK_FRAME_2[] = {
+    "..y@$.",
+    ".._Z~.",
+    ".y@@L.",
+    ".4W@Z!",
+    "._$~$.",
+    "~~`.0.",
+};
+
+// Walk frame 3
+static const char *WALK_FRAME_3[] = {
+    "..g@L.",
+    ".._T~.",
+    ".g@$..",
+    ".J@@..",
+    "_y$4L.",
+    "~~.4~.",
+};
+
+// Walk frame 4
+static const char *WALK_FRAME_4[] = {
+    "..a@w.",
+    "..~T~.",
+    "..@$..",
+    "..@$..",
+    "..y@..",
+    ".\"~@..",
+};
+
+// Walk frame 5
+static const char *WALK_FRAME_5[] = {
+    "..@@..",
+    "..Z~..",
+    "..@L..",
+    "..@L..",
+    "..$%..",
+    ".4F...",
+};
+
+// Walk frame 6
+static const char *WALK_FRAME_6[] = {
+    ".u@$..",
+    "..Z~..",
+    ".g@_..",
+    ".$@5+.",
+    "._BL..",
+    "uP.@..",
+};
+
+// Walk frame 7
+static const char *WALK_FRAME_7[] = {
+    "..a@w.",
+    ".._T`.",
+    ".s@@y.",
+    ".^$$~T",
+    ".yE`$.",
+    "=F..JK",
+};
+
+enum class WalkFrame {
+    Walk1 = 0,
+    Walk2,
+    Walk3,
+    Walk4,
+    Walk5,
+    Walk6,
+    Walk7,
+    COUNT
+};
+
+static const char **CHARACTER_WALK_FRAMES[] = {
+    WALK_FRAME_1,
+    WALK_FRAME_2,
+    WALK_FRAME_3,
+    WALK_FRAME_4,
+    WALK_FRAME_5,
+    WALK_FRAME_6,
+    WALK_FRAME_7,
+};
+
+static const int CHARACTER_WALK_FRAME_COUNT = sizeof(CHARACTER_WALK_FRAMES) / sizeof(CHARACTER_WALK_FRAMES[0]);
+
+// 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

@@ -1,38 +1,179 @@
 // 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::Crawl1 &&
+  if ((current_state == PlayerState::Crawl1 ||
+      current_state == PlayerState::Crawl2) &&
       state_timer.elapsed_time() >= CRAWL_DURATION) {
-    current_state = PlayerState::Walk1;
+    current_state = previous_state;
     state_timer.stop();
   }
 }
 
-void WalkingState::start_crawl() {
+void MovementState::start_crawl(PlayerState crawl_type) {
-  current_state = PlayerState::Crawl1;
+  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::toggle_walk_frame() {
+void MovementState::set_state(PlayerState s) {
-  if (current_state == PlayerState::Walk1) {
+  if (current_state != s) {
-    current_state = PlayerState::Walk2;
+    walk_index = run_index = crawl1_index = crawl2_index = 0;
-  } else if (current_state == PlayerState::Walk2) {
+    phase = 0.0f;
-    current_state = PlayerState::Walk1;
+  }
+  current_state = s;
+}
+
+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) {
+        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;
   }
 }
 
-CharacterFrame WalkingState::get_character_frame() const {
+FrameSelection MovementState::get_frame_selection() const {
-  switch (current_state) {
+    FrameSelection f{};
-  case PlayerState::Walk1:
+    switch (current_state) {
-    return CharacterFrame::Walk1;
+    case PlayerState::Walk:
-  case PlayerState::Walk2:
+        f.movement = MovementType::Walk;
-    return CharacterFrame::Walk2;
+        f.frame_index = walk_index;
-  case PlayerState::Crawl1:
+        break;
-    return CharacterFrame::Crawl1;
+    case PlayerState::Run:
-  default:
+        f.movement = MovementType::Run;
-    return CharacterFrame::Walk1;
+        f.frame_index = run_index;
-  }
+        break;
+    case PlayerState::Crawl1:
+        f.movement = MovementType::Crawl1;
+        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

@@ -1,27 +1,37 @@
 // src/game/state.h
 #pragma once
 #include "mbed.h"
-#include "../assets/character_frames.h"
+#include "../render/player.h"
 
 constexpr auto CRAWL_DURATION = 300ms;
 
-enum class PlayerState { Walk1, Walk2, Crawl1 };
+enum class PlayerState { Walk, Run, Crawl1, Crawl2 };
 
-class WalkingState {
+struct FrameSelection {
+  MovementType movement;
+  int frame_index;
+};
+
+class MovementState {
 private:
-  PlayerState current_state = PlayerState::Walk1;
+  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 crawl1_index = 0;  // cycles 0‑1
+  int crawl2_index = 0;  // cycles 0‑1
+  float phase = 0.0f;
 
 public:
-  // MOVED FROM loop.cpp
-  // Update state (handles crawl timeout)
   void update();
-  
+  void start_crawl(PlayerState crawl_type);
-  // State transitions
+
-  void start_crawl();
+  void set_motion_state_for_speed(int player_speed, int ground_speed);
-  void toggle_walk_frame();
+  void toggle_walk_frame(float player_speed, int tick_counter);
-  
+
-  // Getters
+  FrameSelection get_frame_selection() const;
   PlayerState get_state() const { return current_state; }
-  CharacterFrame get_character_frame() const;
+
+  void set_state(PlayerState s);
 };

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);
-    render_loop(4);
 }

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) {
+void draw_mask(const char *unused_filename, int shift) {
-    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) {
@@ -21,15 +19,11 @@ 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");
     }
 
-    if (text && text[0] != '\0') {
-        printf("\r\n[RX] %s\r\n", text);
-    }
-
     fflush(stdout);
 }

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);
+void draw_mask(const char *unused_filename, int shift);

semestralka1/src/render/loop.cpp

@@ -5,41 +5,79 @@
 #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 "../assets/character_frames.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 = 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);
+  ButtonHandler button;
+  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;
-    need_redraw = false;
+  int tick_counter = 0;
-    UartEvent uart_event = uart.poll();
+  int player_speed = 6;
+  bool game_over = false;
 
-    if (uart_event == UartEvent::MessageUpdate) {
+  player_state.set_state(PlayerState::Walk);
-      need_redraw = 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();
+
+    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;
+      }
     }
 
-    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;
     }
 
@@ -47,20 +85,45 @@ 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) {
-      draw_mask(bg_file, animation.get_shift(), uart.get_message());
+      player_state.toggle_walk_frame(player_speed, anim_tick_counter);
-      CharacterFrame player_frame = player_state.get_character_frame();
+      draw_mask(bg_file, animation.get_shift());
+      FrameSelection frame = player_state.get_frame_selection();
 
-      CharacterPosition draw_pos = get_aligned_frame_position(pos, player_frame);
+      CharacterPosition draw_pos = get_aligned_frame_position(pos, frame.movement, frame.frame_index);
-      draw_character(draw_pos.x, draw_pos.y, player_frame);
+      draw_character(draw_pos.x, draw_pos.y, frame.movement, frame.frame_index);
 
-      // alternate between frame 0 and 1 when not crawling
+      // for (int i = 0; i < MAX_OBSTACLES; i++) {
-      if (player_state.get_state() != PlayerState::Crawl1) {
+      //   if (!obstacle_pool[i].active)
-	player_state.toggle_walk_frame();
+      //     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

@@ -1,28 +1,46 @@
 // src/render/player.cpp
 #include "player.h"
-#include "../assets/character_frames.h"
+#include "../assets/character_walk_frames.h"
+#include "../assets/character_run_frames.h"
+#include "../assets/character_crawl_frames.h"
 #include <cstdio>
 
-void draw_character(int x, int y, CharacterFrame frame) {
+void draw_character(int x, int y, MovementType movement, int frame_index) {
-    int frame_index = static_cast<int>(frame);
+    const char **character = nullptr;
-    if (frame_index < 0 || frame_index >= CHARACTER_FRAME_COUNT)
-        frame_index = 0; // fallback safety
-
-    const char **character = PLAYER_FRAMES[frame_index];
-
     int character_height = 0;
-    switch (frame) {
+    int total_frames = 0;
-    case CharacterFrame::Walk1:
+
-        character_height = CHARACTER_HEIGHT_1;
+    switch (movement) {
+    case MovementType::Walk:
+        total_frames = CHARACTER_WALK_FRAME_COUNT;
+        if (frame_index < 0 || frame_index >= total_frames)
+            frame_index = 0;
+        character = CHARACTER_WALK_FRAMES[frame_index];
+        character_height = CHARACTER_WALK_FRAME_HEIGHT;
         break;
-    case CharacterFrame::Walk2:
+
-        character_height = CHARACTER_HEIGHT_2;
+    case MovementType::Run:
+        total_frames = CHARACTER_RUN_FRAME_COUNT;
+        if (frame_index < 0 || frame_index >= total_frames)
+            frame_index = 0;
+        character = CHARACTER_RUN_FRAMES[frame_index];
+        character_height = CHARACTER_RUN_FRAME_HEIGHT;
         break;
-    case CharacterFrame::Crawl1:
+
-        character_height = CHARACTER_HEIGHT_3;
+    case MovementType::Crawl1:
+        total_frames = CHARACTER_CRAWL1_FRAME_COUNT;
+        if (frame_index < 0 || frame_index >= total_frames)
+            frame_index = 0;
+        character = CHARACTER_CRAWL1_FRAMES[frame_index];
+        character_height = CHARACTER_CRAWL1_FRAME_HEIGHT;
         break;
-    default:
+
-        character_height = CHARACTER_HEIGHT_1;
+    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

@@ -1,6 +1,12 @@
 // src/render/player.h
 #pragma once
-#include "../assets/character_frames.h"
+
+enum class MovementType {
+    Walk,
+    Run,
+    Crawl1,
+    Crawl2
+};
 
 // Draw the player object starting at given (x, y)
-void draw_character(int x, int y, CharacterFrame frame);
+void draw_character(int x, int y, MovementType movement, int frame_index);

semestralka1/src/render/player_positioning.cpp

@@ -1,25 +1,33 @@
 // src/render/player_positioning.cpp
 #include "player_positioning.h"
 #include "../assets/background_frame.h"
+#include "../assets/character_walk_frames.h"
+#include "../assets/character_run_frames.h"
+#include "../assets/character_crawl_frames.h"
 #include <cstdio>
 
-// Convert a pivot coordinate (bottom-left) to the top-left draw position
+CharacterPosition get_aligned_frame_position(CharacterPosition base,
-CharacterPosition get_aligned_frame_position(CharacterPosition base, CharacterFrame frame) {
+                                             MovementType movement,
-    int frame_index = static_cast<int>(frame);
+                                             int /*frame_index*/) {
-    if (frame_index < 0 || frame_index >= CHARACTER_FRAME_COUNT)
-        frame_index = 0;
-
     int character_height = 0;
-    if (frame_index == 0)
-        character_height = CHARACTER_HEIGHT_1;
-    else if (frame_index == 1)
-        character_height = CHARACTER_HEIGHT_2;
-    else
-        character_height = CHARACTER_HEIGHT_3;
 
-    CharacterPosition draw_pos;
+    switch (movement) {
+    case MovementType::Walk:
+        character_height = CHARACTER_WALK_FRAME_HEIGHT;
+        break;
+    case MovementType::Run:
+        character_height = CHARACTER_RUN_FRAME_HEIGHT;
+        break;
+    case MovementType::Crawl1:
+        character_height = CHARACTER_CRAWL1_FRAME_HEIGHT;
+        break;
+    case MovementType::Crawl2:
+        character_height = CHARACTER_CRAWL2_FRAME_HEIGHT;
+        break;
+    }
+
+    CharacterPosition draw_pos{};
     draw_pos.x = base.x;
     draw_pos.y = (VIEW_HEIGHT - base.y) - character_height;
-
     return draw_pos;
 }

semestralka1/src/render/player_positioning.h

@@ -1,7 +1,7 @@
 // src/render/player_positioning.h
 #pragma once
 #include "../assets/background_frame.h"
-#include "../assets/character_frames.h"
+#include "player.h"
 
 struct CharacterPosition {
     int x;
@@ -9,4 +9,4 @@ struct CharacterPosition {
 };
 
 // Calculates drawing position relative to bottom-left pivot
-CharacterPosition get_aligned_frame_position(CharacterPosition base, CharacterFrame frame);
+CharacterPosition get_aligned_frame_position(CharacterPosition base, MovementType movement,int frame_index);

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;
+};