Merge c12a79d6e6 into 6923b07f6c

src/console/Screen.cpp

@@ -84,6 +84,26 @@ CONSOLELINE::~CONSOLELINE() {
     }
 }
 
+void CONSOLELINE::Backspace() {
+    if (this->inputpos > this->inputstart) {
+        if (this->chars <= this->inputpos) {
+            this->buffer[this->inputpos - 1] = '\0';
+        }
+        else {
+            memcpy(
+                &this->buffer[this->inputpos - 1],
+                &this->buffer[this->inputpos],
+                this->chars - this->inputpos + 1
+            );
+        }
+
+        this->inputpos--;
+        this->chars--;
+
+        SetInputString(this->buffer);
+    }
+}
+
 void DrawBackground() {
     uint16_t indices[] = {
         0, 1, 2, 3

src/console/Screen.hpp

@@ -19,6 +19,7 @@ class CONSOLELINE : public TSLinkedNode<CONSOLELINE> {
 
         // Member functions
         ~CONSOLELINE();
+        void Backspace();
 };
 
 void ConsoleScreenAnimate(float elapsedSec);

src/ui/game/GameScript.cpp

@@ -120,7 +120,13 @@ int32_t Script_GetDebugStats(lua_State* L) {
 }
 
 int32_t Script_IsDebugBuild(lua_State* L) {
-    WHOA_UNIMPLEMENTED(0);
+#if defined(NDEBUG)
+    lua_pushboolean(L, 0);
+#else
+    lua_pushboolean(L, 1);
+#endif
+
+    return 1;
 }
 
 int32_t Script_RegisterCVar(lua_State* L) {