diff --git a/.gitignore b/.gitignore
index c9c6286..8169a70 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,3 +52,4 @@ Mkfile.old
 dkms.conf
 src/project.md
 src/tetris_bin
+src/.gpskip
diff --git a/src/.gpskip b/src/.gpskip
index e69de29..417e8cc 100644
--- a/src/.gpskip
+++ b/src/.gpskip
@@ -0,0 +1,71 @@
+
+.git/
+.vscode/
+.idea/
+target/
+build/
+dist/
+node_modules/
+*.log
+*.tmp
+*.swp
+*.bak
+.DS_Store
+Thumbs.db
+
+# Prerequisites
+*.d
+
+# Object files
+*.o
+*.ko
+*.obj
+*.elf
+
+# Linker output
+*.ilk
+*.map
+*.exp
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Libraries
+*.lib
+*.a
+*.la
+*.lo
+
+# Shared objects (inc. Windows DLLs)
+*.dll
+*.so
+*.so.*
+*.dylib
+
+# Executables
+*.exe
+*.out
+*.app
+*.i*86
+*.x86_64
+*.hex
+
+# Debug files
+*.dSYM/
+*.su
+*.idb
+*.pdb
+
+# Kernel Module Compile Results
+*.mod*
+*.cmd
+.tmp_versions/
+modules.order
+Module.symvers
+Mkfile.old
+dkms.conf
+project.md
+tetris_bin
+ginpee.toml
+project.md
\ No newline at end of file
diff --git a/src/Makefile b/src/Makefile
index be6711a..4e687e7 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,14 +1,32 @@
+.PHONY: all clean valgrind test style format gcov_report all install uninstall
+
+# Автоопределение компилятора и флагов
+CC ?= gcc
+CFLAGS ?= -Wall -Wextra -std=c11 -g
+CHECK_CFLAGS ?= -I/usr/include/check
+
+# Проверяем наличие библиотек
+CHECK_LIBS_AVAILABLE := $(shell ldconfig -p 2>/dev/null | grep -q libsubunit && echo yes || echo no)
+
+ifeq ($(CHECK_LIBS_AVAILABLE),yes)
+    LDFLAGS ?= -lcheck -lrt -lpthread -lm -lncurses -lsubunit
+else
+    LDFLAGS ?= -lcheck -lrt -lpthread -lm -lncurses
+endif
+
+SRCDIR = .
+TESTDIR = test
+BUILDDIR = build
+
 # src/Makefile
-CC = gcc
-CFLAGS = -std=c11 -Wall -Wextra -Werror -g
-LDFLAGS = -lncurses
 TETRISDIR = brick_game/tetris
 CLIDIR = gui/cli
 
 # Файлы
-TETRIS_SRC = $(TETRISDIR)/tetris.c
-CLI_SRC = $(CLIDIR)/main.c $(CLIDIR)/display.c
-OBJ = $(TETRIS_SRC:.c=.o) $(CLI_SRC:.c=.o)
+TETRIS_SRC = $(shell find $(TETRISDIR) -name "*.c")
+CLI_SRC = $(shell find $(CLIDIR) -name "*.c")
+ALL_SRC = $(TETRIS_SRC) $(CLI_SRC)
+OBJ = $(ALL_SRC:.c=.o)
 
 # Имя исполняемого файла
 TARGET = tetris_bin
@@ -17,8 +35,6 @@ TARGET = tetris_bin
 PREFIX ?= /usr/local
 BINDIR = $(PREFIX)/bin
 
-.PHONY: all install uninstall clean test gcov_report
-
 all: $(TARGET)
 
 $(TARGET): $(OBJ)
@@ -46,4 +62,14 @@ gcov_report: clean $(TARGET)
 	gcov $(TETRIS_SRC)
 	lcov --capture --directory . --output-file coverage.info
 	genhtml coverage.info --output-directory coverage_report
-	@echo "Coverage report generated in coverage_report/index.html"
\ No newline at end of file
+	@echo "Coverage report generated in coverage_report/index.html"
+
+style:
+	@cp ../materials/linters/.clang-format .
+	@clang-format -n *.c *.h
+	@rm .clang-format
+
+format:
+	cp ../materials/linters/.clang-format .
+	clang-format -i *.c *.h
+	rm .clang-format
\ No newline at end of file
diff --git a/src/brick_game/tetris/figures.c b/src/brick_game/tetris/figures.c
new file mode 100644
index 0000000..823cbbe
--- /dev/null
+++ b/src/brick_game/tetris/figures.c
@@ -0,0 +1,258 @@
+#include "tetris.h"
+
+// I
+const int (*i_fig_up())[4] {
+    static const int shape[4][4] = {
+        {0, 0, 0, 0},
+        {1, 1, 1, 1},
+        {0, 0, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*i_fig_right())[4] {
+    static const int shape[4][4] = {
+        {0, 0, 1, 0},
+        {0, 0, 1, 0},
+        {0, 0, 1, 0},
+        {0, 0, 1, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*i_fig_down())[4] {
+    static const int shape[4][4] = {
+        {0, 0, 0, 0},
+        {0, 0, 0, 0},
+        {1, 1, 1, 1},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*i_fig_left())[4] {
+    static const int shape[4][4] = {
+        {0, 1, 0, 0},
+        {0, 1, 0, 0},
+        {0, 1, 0, 0},
+        {0, 1, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+// O
+const int (*o_fig())[4] {
+    static const int shape[4][4] = {
+        {0, 1, 1, 0},
+        {0, 1, 1, 0},
+        {0, 0, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+// T
+const int (*t_fig_up())[4] {
+    static const int shape[4][4] = {
+        {0, 1, 0, 0},
+        {1, 1, 1, 0},
+        {0, 0, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*t_fig_right())[4] {
+    static const int shape[4][4] = {
+        {0, 1, 0, 0},
+        {0, 1, 1, 0},
+        {0, 1, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*t_fig_down())[4] {
+    static const int shape[4][4] = {
+        {0, 0, 0, 0},
+        {1, 1, 1, 0},
+        {0, 1, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*t_fig_left())[4] {
+    static const int shape[4][4] = {
+        {0, 1, 0, 0},
+        {1, 1, 0, 0},
+        {0, 1, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+// L
+const int (*l_fig_up())[4] {
+    static const int shape[4][4] = {
+        {0, 0, 1, 0},
+        {1, 1, 1, 0},
+        {0, 0, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*l_fig_right())[4] {
+    static const int shape[4][4] = {
+        {1, 0, 0, 0},
+        {1, 0, 0, 0},
+        {1, 1, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*l_fig_down())[4] {
+    static const int shape[4][4] = {
+        {0, 0, 0, 0},
+        {1, 1, 1, 0},
+        {1, 0, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*l_fig_left())[4] {
+    static const int shape[4][4] = {
+        {1, 1, 0, 0},
+        {0, 1, 0, 0},
+        {0, 1, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+// J
+const int (*j_fig_up())[4] {
+    static const int shape[4][4] = {
+        {1, 0, 0, 0},
+        {1, 1, 1, 0},
+        {0, 0, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*j_fig_right())[4] {
+    static const int shape[4][4] = {
+        {0, 1, 1, 0},
+        {0, 1, 0, 0},
+        {0, 1, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*j_fig_down())[4] {
+    static const int shape[4][4] = {
+        {0, 0, 0, 0},
+        {1, 1, 1, 0},
+        {0, 0, 1, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*j_fig_left())[4] {
+    static const int shape[4][4] = {
+        {0, 1, 0, 0},
+        {0, 1, 0, 0},
+        {1, 1, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+// S
+const int (*s_fig_up())[4] {
+    static const int shape[4][4] = {
+        {0, 1, 1, 0},
+        {1, 1, 0, 0},
+        {0, 0, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*s_fig_right())[4] {
+    static const int shape[4][4] = {
+        {0, 1, 0, 0},
+        {0, 1, 1, 0},
+        {0, 0, 1, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*s_fig_down())[4] {
+    static const int shape[4][4] = {
+        {0, 1, 1, 0},
+        {1, 1, 0, 0},
+        {0, 0, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*s_fig_left())[4] {
+    static const int shape[4][4] = {
+        {0, 1, 0, 0},
+        {0, 1, 1, 0},
+        {0, 0, 1, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+// Z
+const int (*z_fig_up())[4] {
+    static const int shape[4][4] = {
+        {1, 1, 0, 0},
+        {0, 1, 1, 0},
+        {0, 0, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*z_fig_right())[4] {
+    static const int shape[4][4] = {
+        {0, 0, 1, 0},
+        {0, 1, 1, 0},
+        {0, 1, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*z_fig_down())[4] {
+    static const int shape[4][4] = {
+        {1, 1, 0, 0},
+        {0, 1, 1, 0},
+        {0, 0, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
+
+const int (*z_fig_left())[4] {
+    static const int shape[4][4] = {
+        {0, 0, 1, 0},
+        {0, 1, 1, 0},
+        {0, 1, 0, 0},
+        {0, 0, 0, 0}
+    };
+    return (const int (*)[4])shape;
+}
\ No newline at end of file
diff --git a/src/brick_game/tetris/tetris.c b/src/brick_game/tetris/tetris.c
index 7d5aae2..24fad1a 100644
--- a/src/brick_game/tetris/tetris.c
+++ b/src/brick_game/tetris/tetris.c
@@ -7,263 +7,6 @@
 static GameStateData game_state = {0};
 static bool initialized = false;
 
-// I
-const int (*i_fig_up())[4] {
-    static const int shape[4][4] = {
-        {0, 0, 0, 0},
-        {1, 1, 1, 1},
-        {0, 0, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*i_fig_right())[4] {
-    static const int shape[4][4] = {
-        {0, 0, 1, 0},
-        {0, 0, 1, 0},
-        {0, 0, 1, 0},
-        {0, 0, 1, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*i_fig_down())[4] {
-    static const int shape[4][4] = {
-        {0, 0, 0, 0},
-        {0, 0, 0, 0},
-        {1, 1, 1, 1},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*i_fig_left())[4] {
-    static const int shape[4][4] = {
-        {0, 1, 0, 0},
-        {0, 1, 0, 0},
-        {0, 1, 0, 0},
-        {0, 1, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-// O
-const int (*o_fig())[4] {
-    static const int shape[4][4] = {
-        {0, 1, 1, 0},
-        {0, 1, 1, 0},
-        {0, 0, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-// T
-const int (*t_fig_up())[4] {
-    static const int shape[4][4] = {
-        {0, 1, 0, 0},
-        {1, 1, 1, 0},
-        {0, 0, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*t_fig_right())[4] {
-    static const int shape[4][4] = {
-        {0, 1, 0, 0},
-        {0, 1, 1, 0},
-        {0, 1, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*t_fig_down())[4] {
-    static const int shape[4][4] = {
-        {0, 0, 0, 0},
-        {1, 1, 1, 0},
-        {0, 1, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*t_fig_left())[4] {
-    static const int shape[4][4] = {
-        {0, 1, 0, 0},
-        {1, 1, 0, 0},
-        {0, 1, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-// L
-const int (*l_fig_up())[4] {
-    static const int shape[4][4] = {
-        {0, 0, 1, 0},
-        {1, 1, 1, 0},
-        {0, 0, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*l_fig_right())[4] {
-    static const int shape[4][4] = {
-        {1, 0, 0, 0},
-        {1, 0, 0, 0},
-        {1, 1, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*l_fig_down())[4] {
-    static const int shape[4][4] = {
-        {0, 0, 0, 0},
-        {1, 1, 1, 0},
-        {1, 0, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*l_fig_left())[4] {
-    static const int shape[4][4] = {
-        {1, 1, 0, 0},
-        {0, 1, 0, 0},
-        {0, 1, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-// J
-const int (*j_fig_up())[4] {
-    static const int shape[4][4] = {
-        {1, 0, 0, 0},
-        {1, 1, 1, 0},
-        {0, 0, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*j_fig_right())[4] {
-    static const int shape[4][4] = {
-        {0, 1, 1, 0},
-        {0, 1, 0, 0},
-        {0, 1, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*j_fig_down())[4] {
-    static const int shape[4][4] = {
-        {0, 0, 0, 0},
-        {1, 1, 1, 0},
-        {0, 0, 1, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*j_fig_left())[4] {
-    static const int shape[4][4] = {
-        {0, 1, 0, 0},
-        {0, 1, 0, 0},
-        {1, 1, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-// S
-const int (*s_fig_up())[4] {
-    static const int shape[4][4] = {
-        {0, 1, 1, 0},
-        {1, 1, 0, 0},
-        {0, 0, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*s_fig_right())[4] {
-    static const int shape[4][4] = {
-        {0, 1, 0, 0},
-        {0, 1, 1, 0},
-        {0, 0, 1, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*s_fig_down())[4] {
-    static const int shape[4][4] = {
-        {0, 1, 1, 0},
-        {1, 1, 0, 0},
-        {0, 0, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*s_fig_left())[4] {
-    static const int shape[4][4] = {
-        {0, 1, 0, 0},
-        {0, 1, 1, 0},
-        {0, 0, 1, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-// Z
-const int (*z_fig_up())[4] {
-    static const int shape[4][4] = {
-        {1, 1, 0, 0},
-        {0, 1, 1, 0},
-        {0, 0, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*z_fig_right())[4] {
-    static const int shape[4][4] = {
-        {0, 0, 1, 0},
-        {0, 1, 1, 0},
-        {0, 1, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*z_fig_down())[4] {
-    static const int shape[4][4] = {
-        {1, 1, 0, 0},
-        {0, 1, 1, 0},
-        {0, 0, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
-const int (*z_fig_left())[4] {
-    static const int shape[4][4] = {
-        {0, 0, 1, 0},
-        {0, 1, 1, 0},
-        {0, 1, 0, 0},
-        {0, 0, 0, 0}
-    };
-    return (const int (*)[4])shape;
-}
-
 const int (*get_figure_shape(FigureType type, int rotation))[4] {
     const int (*result)[4] = NULL;
     switch (type) {
@@ -339,6 +82,10 @@ void user_input(UserAction_t action) {
     }
 
     if (game_state.figure_active) {
+        int old_x = game_state.current_figure.x;
+        int old_y = game_state.current_figure.y;
+        int old_rot = game_state.current_figure.rotation;
+
         if (action == Left) game_state.current_figure.x--;
         if (action == Right) game_state.current_figure.x++;
         if (action == Down) game_state.current_figure.y++;
@@ -346,9 +93,34 @@ void user_input(UserAction_t action) {
         if (action == Rotate) {
             game_state.current_figure.rotation = (game_state.current_figure.rotation + 1) % 4;
         }
+
+        if (check_collision()) {
+            // Возвращаем старые значения
+            game_state.current_figure.x = old_x;
+            game_state.current_figure.y = old_y;
+            game_state.current_figure.rotation = old_rot;
+        }
     }
 }
 
 GameStateData* get_game_state() {
     return &game_state;
+}
+
+static bool check_collision() {
+    Figure* f = &game_state.current_figure;
+    const int (*shape)[4] = get_figure_shape(f->type, f->rotation);
+
+    for (int i = 0; i < 4; i++) {
+        for (int j = 0; j < 4; j++) {
+            if (shape[i][j]) {
+                int x = f->x + j;
+                int y = f->y + i;
+                if (x < 0 || x >= FIELD_WIDTH || y >= FIELD_HEIGHT) {
+                    return true;  // Коллизия
+                }
+            }
+        }
+    }
+    return false;  // Нет коллизии
 }
\ No newline at end of file
diff --git a/src/brick_game/tetris/tetris.h b/src/brick_game/tetris/tetris.h
index 925ef2d..2fb0052 100644
--- a/src/brick_game/tetris/tetris.h
+++ b/src/brick_game/tetris/tetris.h
@@ -58,8 +58,41 @@ typedef enum {
 
 // Основные функции библиотеки
 void user_input(UserAction_t action);
+static bool check_collision();
 GameStateData* get_game_state(void);
 
 const int (*get_figure_shape(FigureType type, int rotation))[4];
 
+const int (*i_fig_up())[4];
+const int (*i_fig_right())[4];
+const int (*i_fig_down())[4];
+const int (*i_fig_left())[4];
+
+const int (*o_fig())[4];
+
+const int (*t_fig_up())[4];
+const int (*t_fig_right())[4];
+const int (*t_fig_down())[4];
+const int (*t_fig_left())[4];
+
+const int (*l_fig_up())[4];
+const int (*l_fig_right())[4];
+const int (*l_fig_down())[4];
+const int (*l_fig_left())[4];
+
+const int (*j_fig_up())[4];
+const int (*j_fig_right())[4];
+const int (*j_fig_down())[4];
+const int (*j_fig_left())[4];
+
+const int (*s_fig_up())[4];
+const int (*s_fig_right())[4];
+const int (*s_fig_down())[4];
+const int (*s_fig_left())[4];
+
+const int (*z_fig_up())[4];
+const int (*z_fig_right())[4];
+const int (*z_fig_down())[4];
+const int (*z_fig_left())[4];
+
 #endif
\ No newline at end of file
diff --git a/src/ginpee.toml b/src/ginpee.toml
index e69de29..0888473 100644
--- a/src/ginpee.toml
+++ b/src/ginpee.toml
@@ -0,0 +1,9 @@
+
+[top]
+text = ""
+
+[down]
+text = ""
+
+[files]
+include = ["*.c", "*.h", "Makefile"]