walking stickman is now also crawling

flake.nix

@@ -55,6 +55,7 @@
 	    pkgs.probe-rs-tools
 	    pkgs.bear
 	    pkgs.chafa
+	    pkgs.imagemagick
             mbedTools
             pyOcd
           ];

semestralka1/chafa/character/2out.txt

@@ -0,0 +1,7 @@
+.....a@$..
+.....7PF..
+..yaM@@__y
+..@.y@FFF~
+..._$M@_..
+yaa@~.`@y.
+........@r

semestralka1/chafa/character/3out.txt

@@ -0,0 +1,7 @@
+.g@$
+.7PF
+y@$.
+0@F.
+4@$.
+y$@.
+u@..

semestralka1/chafa/character/out.txt

@@ -0,0 +1,9 @@
+......_g@$w..
+......4@@@F..
+.....yyyy`...
+...g@~@@@y_ys
+..4F..@@FTF~.
+.....g@@g,...
+..._a@^.4@_..
+4R@F~....7@y.
+..........~@.

semestralka1/chafa/character/out_crawl1.txt

@@ -0,0 +1,4 @@
+.._$@.
+.$By`.
+4@$@@a
+aa@W@.

semestralka1/chafa/character/out_crawl2.txt

@@ -0,0 +1,3 @@
+a@@Bw_,
+7@@Db@$
+4@@PF#@

semestralka1/chafa/character/run_chafa.txt

@@ -0,0 +1,4 @@
+chafa --symbols ascii-block -c none --fill none --invert --size=13x20 predloha_run_a.jpg > out.txt
+
+a = 78x111
+b = 34x111

semestralka1/src/render/loop.cpp

@@ -4,6 +4,7 @@
 #include "background.h"
 #include "mbed.h"
 #include "player.h"
+#include "player_mask.h"
 #include <cstring>
 
 extern BufferedSerial serial_port;
@@ -17,19 +18,24 @@ static bool message_active = false;
 
 void draw_mask(const char *unused_filename, int shift, const char *text);
 
-static bool read_uart() {
+// Returns:
+// 0 = no change - walk1
+// 1 = normal redraw - walk2
+// 2 = button triggered - crawl1
+static int read_uart() {
   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) {
-      // toogle ledky
+      led = !led; // toogle ledky
-      led = !led;
       strncpy(message, rx_buffer, sizeof(message) - 1);
       message_active = true;
       changed = true;
+      triggered = true;
     }
   }
 
@@ -49,11 +55,15 @@ static bool read_uart() {
     changed = true;
   }
 
-  return changed;
+  if (triggered)
+    return 2; // LED toggled press
+  if (changed)
+    return 1;
+  return 0;
 }
 
 static bool update_animation(Timer &anim_timer, int &shift, int speed) {
-  if (anim_timer.elapsed_time() >= 200ms) {
+  if (anim_timer.elapsed_time() >= 170ms) {
     // speed determines scroll steps per tick
     shift += speed;
     anim_timer.reset();
@@ -75,17 +85,28 @@ void render_loop(int speed) {
   while (true) {
     need_redraw = false;
 
-    if (read_uart()) {
+    int uart_state = read_uart(); // returns 0/1/2
-      need_redraw = true;
+    if (uart_state == 1)
-    }
+        need_redraw = true;
+
+    bool triggered = (uart_state == 2);
 
     if (update_animation(anim_timer, shift, speed))
       need_redraw = true;
 
-    if (need_redraw) {
+    if (need_redraw || triggered) {
-      draw_mask(bg_file, shift, message_active ? message : nullptr);
+        draw_mask(bg_file, shift, message_active ? message : nullptr);
-      draw_player(18, 16);
+
-      ThisThread::sleep_for(50ms);
+        static int frame = 0;
+        if (triggered) {
+            // Display triggered frame once
+            draw_player(18, 13, 2);
+        } else {
+            draw_player(18, 13, frame);
+            frame = (frame + 1) % 2; // alternate between frame 0 and 1
+        }
+
+        ThisThread::sleep_for(50ms);
     }
 
     ThisThread::sleep_for(25ms);

semestralka1/src/render/player.cpp

@@ -4,16 +4,32 @@
 #include "player_mask.h"
 #include <cstdio>
 
-void draw_player(int view_width, int view_height) {
+void draw_player(int view_width, int view_height, int frame_index) {
-    const int sprite_height = PLAYER_MASK_LINES;
+    if (frame_index < 0 || frame_index >= PLAYER_FRAME_COUNT)
-    const int sprite_width = 3;  // all rows are same width (3 chars)
+        frame_index = 0; // fallback
+
+    const char **sprite = PLAYER_FRAMES[frame_index];
+    int sprite_height = 0;
+    if (frame_index == 0)
+        sprite_height = PLAYER_MASK_LINES_FRAME_1;
+    else if (frame_index == 1)
+        sprite_height = PLAYER_MASK_LINES_FRAME_2;
+    else
+        sprite_height = PLAYER_MASK_LINES_FRAME_3;
+
+    // Width from first line
+    int sprite_width = 0;
+    if (sprite_height > 0) {
+        const char *first_line = sprite[0];
+        while (first_line[sprite_width] != '\0')
+            sprite_width++;
+    }
 
     int center_x = view_width / 2 - sprite_width / 2;
     int center_y = view_height / 2 - sprite_height / 2;
 
     for (int i = 0; i < sprite_height; i++) {
-        printf("\033[%d;%dH%s", center_y + i + 1, center_x + 1, PLAYER_MASK[i]);
+        printf("\033[%d;%dH%s", center_y + i + 1, center_x + 1, sprite[i]);
     }
-
     fflush(stdout);
 }

semestralka1/src/render/player.h

@@ -2,4 +2,4 @@
 #pragma once
 
 // Draw the player object centered over the background
-void draw_player(int view_width, int view_height);
+void draw_player(int view_width, int view_height, int frame_index);

semestralka1/src/render/player_mask.h

@@ -1,12 +1,50 @@
 // src/render/player_mask.h
+
 #pragma once
 
-// Simple 3x3 player sprite for overlay drawing
+// Player frame 1
-static const char *PLAYER_MASK[] = {
+static const char *PLAYER_MASK_FRAME_1[] = {
-    " @ ",
+    ".....a@$..",
-    "/|\\",
+    ".....7PF..",
-    "/ \\"
+    "..yaM@@__y",
+    "..@.y@FFF~",
+    "..._$M@_..",
+    "yaa@~.`@y.",
+    "........@r"
 };
 
-static const int PLAYER_MASK_LINES =
+// Player frame 2
-    sizeof(PLAYER_MASK) / sizeof(PLAYER_MASK[0]);
+static const char *PLAYER_MASK_FRAME_2[] = {
+    ".g@$",
+    ".7PF",
+    "y@$.",
+    "0@F.",
+    "4@$.",
+    "y$@.",
+    "u@.."
+};
+
+// Player frame 3 (triggered)
+static const char *PLAYER_MASK_FRAME_3[] = {
+    ".._$@.",
+    ".$By`.",
+    "4@$@@a",
+    "aa@W@."
+};
+
+// Combine frames for easy access
+static const char **PLAYER_FRAMES[] = {
+    PLAYER_MASK_FRAME_1, // 0
+    PLAYER_MASK_FRAME_2, // 1
+    PLAYER_MASK_FRAME_3  // 2 (triggered)
+};
+
+static const int PLAYER_FRAME_COUNT = sizeof(PLAYER_FRAMES) / sizeof(PLAYER_FRAMES[0]);
+
+// Line counts per frame
+static const int PLAYER_MASK_LINES_FRAME_1 =
+    sizeof(PLAYER_MASK_FRAME_1) / sizeof(PLAYER_MASK_FRAME_1[0]);
+static const int PLAYER_MASK_LINES_FRAME_2 =
+    sizeof(PLAYER_MASK_FRAME_2) / sizeof(PLAYER_MASK_FRAME_2[0]);
+static const int PLAYER_MASK_LINES_FRAME_3 =
+    sizeof(PLAYER_MASK_FRAME_3) / sizeof(PLAYER_MASK_FRAME_3[0]);