From 29e63d64eea73f17161217ba8b5be2a541370440 Mon Sep 17 00:00:00 2001
From: Neirokan <neirokan@gmail.com>
Date: Tue, 31 Oct 2023 06:07:03 +0300
Subject: [PATCH] cmake, config, rand, srand

---
 CMakeLists.txt      | 23 +++++++++++++++++++++++
 include/config.h.in |  3 +++
 src/main.c          |  4 ++--
 3 files changed, 28 insertions(+), 2 deletions(-)
 create mode 100644 CMakeLists.txt
 create mode 100644 include/config.h.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..09c536c
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,23 @@
+cmake_minimum_required(VERSION 3.5)
+project(csnake VERSION 0.1.0 LANGUAGES C)
+
+if(PROJECT_SOURCE_DIR STREQUAL PROJECT_BINARY_DIR)
+  message(FATAL_ERROR "In-source builds are not allowed.")
+endif()
+
+add_executable(csnake
+  src/main.c
+  src/screen.c
+  src/input.c
+  src/player.c
+)
+
+set_target_properties(csnake PROPERTIES C_STANDARD 11)
+set_target_properties(csnake PROPERTIES C_EXTENSIONS FALSE)
+target_include_directories(csnake PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include)
+
+set(SIZE 10 CACHE STRING "Size of game field")
+set(DEFX 0 CACHE STRING "Start x")
+set(DEFY 0 CACHE STRING "Start y")
+
+configure_file(include/config.h.in ${CMAKE_CURRENT_SOURCE_DIR}/include/config.h)
diff --git a/include/config.h.in b/include/config.h.in
new file mode 100644
index 0000000..06a7e35
--- /dev/null
+++ b/include/config.h.in
@@ -0,0 +1,3 @@
+#define SIZE ${SIZE}
+#define DEFX ${DEFX}
+#define DEFY ${DEFY}
diff --git a/src/main.c b/src/main.c
index 7403ed4..944aaa8 100644
--- a/src/main.c
+++ b/src/main.c
@@ -22,7 +22,7 @@ Food generateFood(Player *player)
     Food food;
     do
     {
-        food = (Food){random() % SIZE, random() % SIZE};
+        food = (Food){rand() % SIZE, rand() % SIZE};
     } while (playerCheckFoodCollision(player, food));
     return food;
 }
@@ -34,7 +34,7 @@ void resetCoordinates(void)
 
 int main(int argc, char **argv)
 {
-    srandom(time(NULL));
+    srand(time(NULL));
     Player *player = playerCreate(DOWN, DEFX, DEFY, 0);
     Screen *screen = screenCreate(SIZE, SIZE, ' ');
     PlayerNode *node;