signal handling

code/apps/client/CMakeLists.txt

@@ -23,7 +23,9 @@ add_library(client-common STATIC
   source/network.c
   source/game.c
   source/main.c
+  source/signal_handling.c
 
+  header/signal_handling.h
   header/network.h
   header/platform.h
   header/game.h

code/apps/client/header/signal_handling.h

@@ -0,0 +1,4 @@
+#pragma once
+
+void sighandler_register();
+void sighandler_unregister();

code/apps/client/source/game.c

@@ -6,7 +6,7 @@ void game_init() {
 }
 
 void game_shutdown() {
-    platform_shutdown();
+    //
 }
 
 uint8_t game_is_running() {

code/apps/client/source/main.c

@@ -1,9 +1,11 @@
 #define ZPL_IMPL
 #include "zpl.h"
 #include "game.h"
+#include "signal_handling.h"
 
 int main(void)
 {
+    sighandler_register();
     game_init();
 
     while (game_is_running())
@@ -14,5 +16,6 @@ int main(void)
     }
 
     game_shutdown();
+    sighandler_unregister();
     return 0;
 }

code/apps/client/source/network.c

@@ -1,4 +1,3 @@
-#define ZPL_IMPL
 #include "zpl.h"
 
 #define LIBRG_IMPL

code/apps/client/source/platform_text.c

@@ -1,18 +1,24 @@
 #include "platform.h"
+#include "zpl.h"
 #include <stdio.h>
 
+uint8_t is_running;
+
 void platform_init() {
     printf("eco2d-cli\n");
+    is_running = 1;
 }
 
 void platform_shutdown() {
-    printf("Bye!\n");
+    printf("\nBye!\n");
+    is_running = 0;
 }
 
 uint8_t platform_is_running() {
-
+    return is_running;
 }
 
 void platform_render() {
-    // TODO
+    zpl_printf("o");
+    zpl_sleep_ms(1000);
 }

code/apps/client/source/signal_handling.c

@@ -0,0 +1,53 @@
+#include <signal.h>
+#include "zpl.h"
+#include "platform.h"
+#ifdef ZPL_SYSTEM_WINDOWS
+
+static BOOL WINAPI _sighandler_win32_control_handler(DWORD control_type)
+{
+    switch (control_type)
+    {
+    case CTRL_C_EVENT:
+    case DBG_CONTROL_C:
+        platform_shutdown();
+        return 0;
+    case CTRL_CLOSE_EVENT:
+    case CTRL_LOGOFF_EVENT:
+    case CTRL_BREAK_EVENT:
+    case CTRL_SHUTDOWN_EVENT:
+        platform_shutdown();
+        return 1;
+    }
+
+    return 0;
+}
+#else //POSIX complaint
+#include <sys/types.h>
+static void _sighandler_posix_signal_handler(int sig) {
+    platform_shutdown();
+}
+#endif
+
+void sighandler_register() {
+    #ifdef ZPL_SYSTEM_WINDOWS
+    {
+        if (!SetConsoleCtrlHandler(_sighandler_win32_control_handler, 1)) {
+            zpl_printf("Could not set up signal handler!\n");
+        }
+    }
+    #else // POSIX compliant
+    signal(SIGINT, &_sighandler_posix_signal_handler);
+    signal(SIGTERM, &_sighandler_posix_signal_handler);
+    #endif
+}
+
+void sighandler_unregister() {
+    #ifdef ZPL_SYSTEM_WINDOWS
+    {
+        if (!SetConsoleCtrlHandler(_sighandler_win32_control_handler, 0)) {
+            zpl_printf("Could not uninstall signal handler!");
+        }
+    }
+    #else // POSIX compliant
+    #endif
+}