Intermediate C++ Game Programming Tutorial 19 - Revision history

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@@ Line 11: / Line 11: @@
 [https://youtu.be/g-NGBFCn3co Tutorial 19]
 <div class="mw-collapsible mw-collapsed"><br />
-* Using <code>dynamic_cast<DirivedType>(pBaseType)</code> to determine to what derived type a pointer to a polymorphic base type is actually pointing [https://youtu.be/g-NGBFCn3co?t=54s 0:54]
+* Using <code>dynamic_cast<DerivedType>(pBaseType)</code> to determine to what derived type a pointer to a polymorphic base type is actually pointing [https://youtu.be/g-NGBFCn3co?t=54s 0:54]
 <div class="mw-collapsible-content">
 ** A dynamic cast can be used on pointers and on references

@@ Line 11: / Line 11: @@
 [https://youtu.be/g-NGBFCn3co Tutorial 19]
 <div class="mw-collapsible mw-collapsed"><br />
-* Using <code>dynamic_cast<new-type>(expression)</code> to determine to what derived type a pointer to a polymorphic base type is actually pointing [https://youtu.be/g-NGBFCn3co?t=54s 0:54]
+* Using <code>dynamic_cast<DirivedType>(pBaseType)</code> to determine to what derived type a pointer to a polymorphic base type is actually pointing [https://youtu.be/g-NGBFCn3co?t=54s 0:54]
 <div class="mw-collapsible-content">
 ** A dynamic cast can be used on pointers and on references

@@ Line 46: / Line 46: @@
 ** <code>const_cast<>()</code>
 *** remove constness
-** c-style cast (int) etc.
+** <code>(...)...</code> c-style cast (int) etc.
 *** can do all of the above, even if you don't mean to<br />
 ***<code>const Base* pBase = &obj;</code> <br />

@@ Line 34: / Line 34: @@
 * Overview of different types of casts [https://youtu.be/g-NGBFCn3co?t=9m30s 9:30]
 <div class="mw-collapsible-content">
-** static_cast
+** <code>static_cast<>()</code>
 *** converts types (int->float etc.)
 *** casts pointers/references within an inheritance hierarchy (no checking of the validity of the cast!)
-** dynamic_cast<>()
+** <code>dynamic_cast<>()</code>
 *** casts pointers/references within an inheritance hierarchy (dynamic check!)
 *** requires that the type have at least one virtual function
 ***  if check fails, nullptr for ptr* cast, throw exception for ref& cast
-** reinterpret_cast<>()
+** <code>reinterpret_cast<>()</code>
 *** reinterpret pointers/references as pointing to some other type (no check, no limit!) (only really safe for char*)
 *** reinterpret pointer as an integral value
-** const_cast<>()
+** <code>const_cast<>()</code>
 *** remove constness
 ** c-style cast (int) etc.

@@ Line 37: / Line 37: @@
 *** converts types (int->float etc.)
 *** casts pointers/references within an inheritance hierarchy (no checking of the validity of the cast!)
-** dynamic_cast
+** dynamic_cast<>()
 *** casts pointers/references within an inheritance hierarchy (dynamic check!)
 *** requires that the type have at least one virtual function
 ***  if check fails, nullptr for ptr* cast, throw exception for ref& cast
-** reinterpret_cast
+** reinterpret_cast<>()
 *** reinterpret pointers/references as pointing to some other type (no check, no limit!) (only really safe for char*)
 *** reinterpret pointer as an integral value
-** const_cast
+** const_cast<>()
 *** remove constness
 ** c-style cast (int) etc.

@@ Line 62: / Line 62: @@
 <div class="mw-collapsible-content">
 ** Get the type name of an object by calling <code>typeid(obj).name()</code>
-** You can't use typeid in switch statements, but you can use them in a map class to get similar functionality
+** You can't use typeid in switch statements, but you can use them in a map container class to get similar functionality
 ** typeid does have an overhead, like dynamic_cast, so avoid its use in super performance critical applications
 </div>

@@ Line 55: / Line 55: @@
 * Using RTTI (Runtime Type Information) [https://youtu.be/g-NGBFCn3co?t=13m01s 13:01]
 <div class="mw-collapsible-content">
-** To use RTTI, include <code><typeinfo></code> and use operator <code>typeid()</code> to obtain the type id of any dynamic type
+** To use RTTI, #include <code><typeinfo></code> and use operator <code>typeid()</code> to obtain the type id of any dynamic type
 ** Use case: check if two objects are of the same derived class: <code>if( typeid(f1) == typeid(f2) )</code>
 ** <code>typeid()</code> returns an object of type <code>std::type_info</code>

@@ Line 52: / Line 52: @@
 ***<code>Derived* pDerived = (Derived*)pBase;</code>
 *** casted away the constness by accident!
 </div>
 * Using RTTI (Runtime Type Information) [https://youtu.be/g-NGBFCn3co?t=13m01s 13:01]