From 27a9acdee6da1495fa477cd67346ec7732385040 Mon Sep 17 00:00:00 2001 From: David Hackbarth Date: Mon, 15 Sep 2025 18:17:50 +0200 Subject: [PATCH] add forward declaration add classes --- CPlusPlus/CPlusPlus.sln | 30 ++- CPlusPlus/Classes/Classes.vcxproj | 193 ++++++++++++++++++ CPlusPlus/Classes/Classes.vcxproj.filters | 45 ++++ CPlusPlus/Classes/Entity.cpp | 12 ++ CPlusPlus/Classes/Entity.h | 17 ++ CPlusPlus/Classes/Monster.cpp | 6 + CPlusPlus/Classes/Monster.h | 11 + CPlusPlus/Classes/Ork.cpp | 6 + CPlusPlus/Classes/Ork.h | 11 + CPlusPlus/Classes/Vector3.h | 11 + CPlusPlus/Classes/main.cpp | 24 +++ .../Forward_Declaration.vcxproj | 188 +++++++++++++++++ .../Forward_Declaration.vcxproj.filters | 30 +++ CPlusPlus/Forward_Declaration/functions.cpp | 3 + CPlusPlus/Forward_Declaration/functions.h | 10 + CPlusPlus/Forward_Declaration/main.cpp | 20 ++ CPlusPlus/Intro/main.cpp | 12 ++ 17 files changed, 628 insertions(+), 1 deletion(-) create mode 100644 CPlusPlus/Classes/Classes.vcxproj create mode 100644 CPlusPlus/Classes/Classes.vcxproj.filters create mode 100644 CPlusPlus/Classes/Entity.cpp create mode 100644 CPlusPlus/Classes/Entity.h create mode 100644 CPlusPlus/Classes/Monster.cpp create mode 100644 CPlusPlus/Classes/Monster.h create mode 100644 CPlusPlus/Classes/Ork.cpp create mode 100644 CPlusPlus/Classes/Ork.h create mode 100644 CPlusPlus/Classes/Vector3.h create mode 100644 CPlusPlus/Classes/main.cpp create mode 100644 CPlusPlus/Forward_Declaration/Forward_Declaration.vcxproj create mode 100644 CPlusPlus/Forward_Declaration/Forward_Declaration.vcxproj.filters create mode 100644 CPlusPlus/Forward_Declaration/functions.cpp create mode 100644 CPlusPlus/Forward_Declaration/functions.h create mode 100644 CPlusPlus/Forward_Declaration/main.cpp diff --git a/CPlusPlus/CPlusPlus.sln b/CPlusPlus/CPlusPlus.sln index 337d8d9..508f78b 100644 --- a/CPlusPlus/CPlusPlus.sln +++ b/CPlusPlus/CPlusPlus.sln @@ -1,10 +1,14 @@  Microsoft Visual Studio Solution File, Format Version 12.00 # Visual Studio Version 17 -VisualStudioVersion = 17.14.36414.22 d17.14 +VisualStudioVersion = 17.14.36414.22 MinimumVisualStudioVersion = 10.0.40219.1 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Intro", "Intro\Intro.vcxproj", "{87B7A7C3-105C-4950-9FFE-A7B05AA70780}" EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Forward_Declaration", "Forward_Declaration\Forward_Declaration.vcxproj", "{D70D8E56-EB48-42A1-8F65-D6D9F66E3736}" +EndProject +Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Classes", "Classes\Classes.vcxproj", "{6254C365-0DB4-44EB-A7FD-3AFA5980A219}" +EndProject Global GlobalSection(SolutionConfigurationPlatforms) = preSolution Debug|ARM64 = Debug|ARM64 @@ -27,6 +31,30 @@ Global {87B7A7C3-105C-4950-9FFE-A7B05AA70780}.Release|x64.Build.0 = Release|x64 {87B7A7C3-105C-4950-9FFE-A7B05AA70780}.Release|x86.ActiveCfg = Release|Win32 {87B7A7C3-105C-4950-9FFE-A7B05AA70780}.Release|x86.Build.0 = Release|Win32 + {D70D8E56-EB48-42A1-8F65-D6D9F66E3736}.Debug|ARM64.ActiveCfg = Debug|ARM64 + {D70D8E56-EB48-42A1-8F65-D6D9F66E3736}.Debug|ARM64.Build.0 = Debug|ARM64 + {D70D8E56-EB48-42A1-8F65-D6D9F66E3736}.Debug|x64.ActiveCfg = Debug|x64 + {D70D8E56-EB48-42A1-8F65-D6D9F66E3736}.Debug|x64.Build.0 = Debug|x64 + {D70D8E56-EB48-42A1-8F65-D6D9F66E3736}.Debug|x86.ActiveCfg = Debug|Win32 + {D70D8E56-EB48-42A1-8F65-D6D9F66E3736}.Debug|x86.Build.0 = Debug|Win32 + {D70D8E56-EB48-42A1-8F65-D6D9F66E3736}.Release|ARM64.ActiveCfg = Release|ARM64 + {D70D8E56-EB48-42A1-8F65-D6D9F66E3736}.Release|ARM64.Build.0 = Release|ARM64 + {D70D8E56-EB48-42A1-8F65-D6D9F66E3736}.Release|x64.ActiveCfg = Release|x64 + {D70D8E56-EB48-42A1-8F65-D6D9F66E3736}.Release|x64.Build.0 = Release|x64 + {D70D8E56-EB48-42A1-8F65-D6D9F66E3736}.Release|x86.ActiveCfg = Release|Win32 + {D70D8E56-EB48-42A1-8F65-D6D9F66E3736}.Release|x86.Build.0 = Release|Win32 + {6254C365-0DB4-44EB-A7FD-3AFA5980A219}.Debug|ARM64.ActiveCfg = Debug|ARM64 + {6254C365-0DB4-44EB-A7FD-3AFA5980A219}.Debug|ARM64.Build.0 = Debug|ARM64 + {6254C365-0DB4-44EB-A7FD-3AFA5980A219}.Debug|x64.ActiveCfg = Debug|x64 + {6254C365-0DB4-44EB-A7FD-3AFA5980A219}.Debug|x64.Build.0 = Debug|x64 + {6254C365-0DB4-44EB-A7FD-3AFA5980A219}.Debug|x86.ActiveCfg = Debug|Win32 + {6254C365-0DB4-44EB-A7FD-3AFA5980A219}.Debug|x86.Build.0 = Debug|Win32 + {6254C365-0DB4-44EB-A7FD-3AFA5980A219}.Release|ARM64.ActiveCfg = Release|ARM64 + {6254C365-0DB4-44EB-A7FD-3AFA5980A219}.Release|ARM64.Build.0 = Release|ARM64 + {6254C365-0DB4-44EB-A7FD-3AFA5980A219}.Release|x64.ActiveCfg = Release|x64 + {6254C365-0DB4-44EB-A7FD-3AFA5980A219}.Release|x64.Build.0 = Release|x64 + {6254C365-0DB4-44EB-A7FD-3AFA5980A219}.Release|x86.ActiveCfg = Release|Win32 + {6254C365-0DB4-44EB-A7FD-3AFA5980A219}.Release|x86.Build.0 = Release|Win32 EndGlobalSection GlobalSection(SolutionProperties) = preSolution HideSolutionNode = FALSE diff --git a/CPlusPlus/Classes/Classes.vcxproj b/CPlusPlus/Classes/Classes.vcxproj new file mode 100644 index 0000000..a84dfbb --- /dev/null +++ b/CPlusPlus/Classes/Classes.vcxproj @@ -0,0 +1,193 @@ + + + + + Debug + Win32 + + + Release + Win32 + + + Debug + x64 + + + Release + x64 + + + Debug + ARM64 + + + Release + ARM64 + + + + 17.0 + Win32Proj + {6254c365-0db4-44eb-a7fd-3afa5980a219} + Classes + 10.0 + + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + + + + + + + + + + + + + + + + + + + + + + + + + + Level3 + true + WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + _DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + _DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + + + + + + + + + + + + + + \ No newline at end of file diff --git a/CPlusPlus/Classes/Classes.vcxproj.filters b/CPlusPlus/Classes/Classes.vcxproj.filters new file mode 100644 index 0000000..c37c9a3 --- /dev/null +++ b/CPlusPlus/Classes/Classes.vcxproj.filters @@ -0,0 +1,45 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd + + + {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms + + + + + Source Files + + + Source Files + + + Source Files + + + Source Files + + + + + Header Files + + + Header Files + + + Header Files + + + Header Files + + + \ No newline at end of file diff --git a/CPlusPlus/Classes/Entity.cpp b/CPlusPlus/Classes/Entity.cpp new file mode 100644 index 0000000..6c84dc5 --- /dev/null +++ b/CPlusPlus/Classes/Entity.cpp @@ -0,0 +1,12 @@ +#include "Entity.h" // project header files, pre compiler will search in project folder first +#include // system header files, pre compiler will search in system folders first + +Entity::Entity() // defined +{ + +} + +Entity::Entity(std::string name) : _name(name) +{ + //_name = name; +} \ No newline at end of file diff --git a/CPlusPlus/Classes/Entity.h b/CPlusPlus/Classes/Entity.h new file mode 100644 index 0000000..10e756b --- /dev/null +++ b/CPlusPlus/Classes/Entity.h @@ -0,0 +1,17 @@ +#pragma once +#include + +class Entity +{ +public: + Entity(); // declared + Entity(std::string name); + + virtual std::string toString() { return "Entity"; } // declared & defined, only use that for one liners + std::string getName() { return _name; } + void setName(std::string name) { _name = name; } + +protected: + std::string _name = ""; + +}; // IMPORTANT: always end with a semicolon \ No newline at end of file diff --git a/CPlusPlus/Classes/Monster.cpp b/CPlusPlus/Classes/Monster.cpp new file mode 100644 index 0000000..77bcfd8 --- /dev/null +++ b/CPlusPlus/Classes/Monster.cpp @@ -0,0 +1,6 @@ +#include "Monster.h" + +Monster::Monster() +{ + //toString(); +} diff --git a/CPlusPlus/Classes/Monster.h b/CPlusPlus/Classes/Monster.h new file mode 100644 index 0000000..383627b --- /dev/null +++ b/CPlusPlus/Classes/Monster.h @@ -0,0 +1,11 @@ +#pragma once +#include "Entity.h" + +class Monster : public Entity +{ +public: + Monster(); + + std::string toString() override { return "Monster"; } +}; + diff --git a/CPlusPlus/Classes/Ork.cpp b/CPlusPlus/Classes/Ork.cpp new file mode 100644 index 0000000..35f3f25 --- /dev/null +++ b/CPlusPlus/Classes/Ork.cpp @@ -0,0 +1,6 @@ +#include "Ork.h" + +Ork::Ork() +{ + //toString(); +} diff --git a/CPlusPlus/Classes/Ork.h b/CPlusPlus/Classes/Ork.h new file mode 100644 index 0000000..35d898a --- /dev/null +++ b/CPlusPlus/Classes/Ork.h @@ -0,0 +1,11 @@ +#pragma once +#include "Monster.h" + +class Ork : public Monster +{ +public: + Ork(); + + std::string toString() override { return "Ork"; } +}; + diff --git a/CPlusPlus/Classes/Vector3.h b/CPlusPlus/Classes/Vector3.h new file mode 100644 index 0000000..139cab9 --- /dev/null +++ b/CPlusPlus/Classes/Vector3.h @@ -0,0 +1,11 @@ +#pragma once + +struct Vector3 +{ + float x; + float y; + float z; + + Vector3() : x(0.0f), y(0.0f), z(0.0f) {} + Vector3(float _x, float _y, float _z) : x(_x), y(_y), z(_z) {} +}; \ No newline at end of file diff --git a/CPlusPlus/Classes/main.cpp b/CPlusPlus/Classes/main.cpp new file mode 100644 index 0000000..24c2e56 --- /dev/null +++ b/CPlusPlus/Classes/main.cpp @@ -0,0 +1,24 @@ +#include + +#include "Entity.h" +#include "Monster.h" +#include "Vector3.h" + +using namespace std; + +int main() +{ + Entity entity; // this is an entity instance + cout << entity.toString() << endl; + + Monster monster; + cout << monster.toString() << endl; + + Vector3 position; + Vector3 position2(1.0f, 0.0f, -10.0f); + Vector3 position3 = Vector3(); + Vector3 position4{}; // list-initializer + Vector3 position5 = {}; // list-initializer assigned + + return 0; +} \ No newline at end of file diff --git a/CPlusPlus/Forward_Declaration/Forward_Declaration.vcxproj b/CPlusPlus/Forward_Declaration/Forward_Declaration.vcxproj new file mode 100644 index 0000000..3f6860e --- /dev/null +++ b/CPlusPlus/Forward_Declaration/Forward_Declaration.vcxproj @@ -0,0 +1,188 @@ + + + + + Debug + Win32 + + + Release + Win32 + + + Debug + x64 + + + Release + x64 + + + Debug + ARM64 + + + Release + ARM64 + + + + 17.0 + Win32Proj + {d70d8e56-eb48-42a1-8f65-d6d9f66e3736} + ForwardDeclaration + 10.0 + + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + Application + true + v143 + Unicode + + + Application + false + v143 + true + Unicode + + + + + + + + + + + + + + + + + + + + + + + + + + + + Level3 + true + WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + _DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + _DEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + Level3 + true + true + true + NDEBUG;_CONSOLE;%(PreprocessorDefinitions) + true + + + Console + true + + + + + + + + + + + + + \ No newline at end of file diff --git a/CPlusPlus/Forward_Declaration/Forward_Declaration.vcxproj.filters b/CPlusPlus/Forward_Declaration/Forward_Declaration.vcxproj.filters new file mode 100644 index 0000000..54bcd79 --- /dev/null +++ b/CPlusPlus/Forward_Declaration/Forward_Declaration.vcxproj.filters @@ -0,0 +1,30 @@ + + + + + {4FC737F1-C7A5-4376-A066-2A32D752A2FF} + cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx + + + {93995380-89BD-4b04-88EB-625FBE52EBFB} + h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd + + + {67DA6AB6-F800-4c08-8B7A-83BB121AAD01} + rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms + + + + + Source Files + + + Source Files + + + + + Header Files + + + \ No newline at end of file diff --git a/CPlusPlus/Forward_Declaration/functions.cpp b/CPlusPlus/Forward_Declaration/functions.cpp new file mode 100644 index 0000000..b8ef9f9 --- /dev/null +++ b/CPlusPlus/Forward_Declaration/functions.cpp @@ -0,0 +1,3 @@ +#include "functions.h" + +void functionE() {} // defined \ No newline at end of file diff --git a/CPlusPlus/Forward_Declaration/functions.h b/CPlusPlus/Forward_Declaration/functions.h new file mode 100644 index 0000000..6737ae0 --- /dev/null +++ b/CPlusPlus/Forward_Declaration/functions.h @@ -0,0 +1,10 @@ +#pragma once + +#ifndef _FUNCTIONS_H_ +#define _FUNCTIONS_H_ + +void functionE(); // declared + +//void functionF() {} // declared & defined, linker error when included multiple times + +#endif // !_FUNCTIONS_H_ diff --git a/CPlusPlus/Forward_Declaration/main.cpp b/CPlusPlus/Forward_Declaration/main.cpp new file mode 100644 index 0000000..ceb667a --- /dev/null +++ b/CPlusPlus/Forward_Declaration/main.cpp @@ -0,0 +1,20 @@ +#include "functions.h" + +void functionB() {} // declared & defined +void functionC(); // declared +void functionD(); // declared + +int main() +{ + //functionA(); // compiler error, because function is declared & defined after this call + functionB(); // no error + //functionC(); // linker error, because function is declared, but not defined + functionD(); // no error + functionE(); // no error + + return 0; +} + +void functionA() {} // declared & defined + +void functionD() {} // defined \ No newline at end of file diff --git a/CPlusPlus/Intro/main.cpp b/CPlusPlus/Intro/main.cpp index f6a8b2f..242f2f8 100644 --- a/CPlusPlus/Intro/main.cpp +++ b/CPlusPlus/Intro/main.cpp @@ -4,6 +4,7 @@ using namespace std; int main() { + // console output std::cout << "Hello World" << std::endl; std::cout << 1234 << std::endl; std::cout << "Another test!\n"; @@ -15,5 +16,16 @@ int main() cout << L"Hello World" << endl; // wide character string literal, can not be handled by cout + // console input + cin >> number; + cout << "input: " << number << endl; + + char c; + cin >> c; + cout << "input: " << c << endl; + + cin >> c >> number; + cout << c << ": " << number << endl; + return 0; } \ No newline at end of file