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WindOWIng AnD OpEnGl

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This commit is contained in:
Ben
2021-08-14 22:47:15 +01:00
parent a6fb1b2d11
commit cab2d2fe38
14 changed files with 6121 additions and 74 deletions
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22
Aeon/Aeon.cpp
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@@ -1,13 +1,25 @@
#include "Aeon/Aeon.hpp" #include "Aeon/Aeon.hpp"
Aeon::Core::App::App(const AppProperties& props) using Aeon::Core::App;
{ using Aeon::Core::Display;
using Aeon::Core::DisplayProperties;
Aeon::Core::Display::GetInstance(); App::App( const DisplayProperties& props )
: mDisplay()
{
mDisplay.Create( props );
} }
const Aeon::Core::Display& Aeon::Core::App::GetDisplay() void App::Run()
{ {
return Aeon::Core::Display::GetInstance(); while ( !mSIGTERM )
{
}
}
const Display& App::GetDisplay()
{
return mDisplay;
} }

25
Aeon/Aeon.hpp
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@@ -7,33 +7,24 @@
namespace Aeon::Core { namespace Aeon::Core {
class AppProperties
{
public:
std::string Name;
int Width, Height;
bool VSync;
AppProperties(std::string name, int width = 1200, int height = 900, bool vSync = true)
: Name(name),
Width(width),
Height(height),
VSync(vSync) { }
};
class App { class App {
public: public:
App(const AppProperties& props); App( const DisplayProperties& props );
virtual ~App();
void Run();
void PushLayer();
void PopLayer();
const Display& GetDisplay(); const Display& GetDisplay();
private:
Display mDisplay;
bool mSIGTERM = false;
}; };
} }
#endif #endif

18
Aeon/Assert.hpp Normal file
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@@ -0,0 +1,18 @@
#ifndef AEON_ASSERT_H_
#define AEON_ASSERT_H_
#include <assert.h>
#define AEON_ASSERT(x, m) \
if (! (x)) { \
std::cerr << "Assertion `" #x "` failed in " << __FILE__ \
<< " line " << __LINE__ << ": " << m << std::endl; \
std::terminate(); \
}
#define AEON_ASSERT_NO_BRK(x) \
if (! (x)) { \
std::cerr << "Assertion `" #x "` failed in " << __FILE__ \
<< " line " << __LINE__ << ": " << m << std::endl; \
}
#endif

71
Aeon/Core/Display.cpp
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@@ -2,7 +2,74 @@
#include <iostream> #include <iostream>
Aeon::Core::Display::Display() #include "Aeon/Assert.hpp"
using Aeon::Core::Display;
Display::Display()
: mWindow( nullptr ),
mContext( NULL )
{ {
std::cout << "bruh" << std::endl;
}
bool Display::Create( const DisplayProperties& properties )
{
SDL_Init( SDL_INIT_VIDEO );
SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 8 );
SDL_GL_SetAttribute( SDL_GL_GREEN_SIZE, 8 );
SDL_GL_SetAttribute( SDL_GL_BLUE_SIZE, 8 );
SDL_GL_SetAttribute( SDL_GL_ALPHA_SIZE, 8 );
SDL_GL_SetAttribute( SDL_GL_BUFFER_SIZE, 32 );
SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1 );
SDL_GL_SetAttribute( SDL_GL_MULTISAMPLEBUFFERS, 1 );
SDL_GL_SetAttribute( SDL_GL_MULTISAMPLESAMPLES, 4 );
SDL_GL_SetAttribute( SDL_GL_CONTEXT_MAJOR_VERSION, 4 );
SDL_GL_SetAttribute( SDL_GL_CONTEXT_MINOR_VERSION, 5 );
mWindow = SDL_CreateWindow( properties.Name.c_str(),
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED, properties.Width, properties.Height,
SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE );
AEON_ASSERT( mWindow, "Can't initialise window" );
mContext = SDL_GL_CreateContext( mWindow );
AEON_ASSERT( mContext, "Can't initialise context" );
SDL_GL_SetSwapInterval( static_cast<int>(!properties.VSync) );
gladLoadGLLoader( SDL_GL_GetProcAddress );
glEnable( GL_MULTISAMPLE );
glCullFace( GL_BACK );
glEnable( GL_DEPTH_TEST );
mWidth = properties.Width;
mHeight = properties.Height;
return true;
}
Display::~Display()
{
}
unsigned int Display::GetWidth()
{
return mWidth;
}
unsigned int Display::GetHeight()
{
return mHeight;
}
void Display::Destroy()
{
} }

37
Aeon/Core/Display.hpp
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@@ -1,18 +1,45 @@
#ifndef AEON_CORE_DISPLAY_H_ #ifndef AEON_CORE_DISPLAY_H_
#define AEON_CORE_DISPLAY_H_ #define AEON_CORE_DISPLAY_H_
#include <string>
#include <SDL.h>
#include <ThirdParty/glad.h>
namespace Aeon::Core { namespace Aeon::Core {
class DisplayProperties
{
public:
std::string Name;
int Width, Height;
bool VSync;
DisplayProperties( std::string name, int width = 1200, int height = 900, bool vSync = true )
: Name( name ),
Width( width ),
Height( height ),
VSync( vSync ) { }
};
class Display class Display
{ {
public: public:
Display(); Display();
~Display();
static inline Display& GetInstance() bool Create( const DisplayProperties& properties );
{
static Display instance; unsigned int GetWidth();
return instance; unsigned int GetHeight();
}
void Destroy();
private:
SDL_Window* mWindow;
SDL_GLContext mContext;
unsigned int mWidth, mHeight;
private: private:
Display( Display const& ) = delete; Display( Display const& ) = delete;

6
Aeon/Core/EngineEvents.hpp
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@@ -14,12 +14,6 @@
namespace Aeon::Core { namespace Aeon::Core {
enum EventSystem
{
};
class GenericEvent class GenericEvent
{ {

1838
Aeon/ThirdParty/glad.c vendored Normal file
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3617
Aeon/ThirdParty/glad.h vendored Normal file
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282
Aeon/ThirdParty/khrplatform.h vendored Normal file
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@@ -0,0 +1,282 @@
#ifndef __khrplatform_h_
#define __khrplatform_h_
/*
** Copyright (c) 2008-2018 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
/* Khronos platform-specific types and definitions.
*
* The master copy of khrplatform.h is maintained in the Khronos EGL
* Registry repository at https://github.com/KhronosGroup/EGL-Registry
* The last semantic modification to khrplatform.h was at commit ID:
* 67a3e0864c2d75ea5287b9f3d2eb74a745936692
*
* Adopters may modify this file to suit their platform. Adopters are
* encouraged to submit platform specific modifications to the Khronos
* group so that they can be included in future versions of this file.
* Please submit changes by filing pull requests or issues on
* the EGL Registry repository linked above.
*
*
* See the Implementer's Guidelines for information about where this file
* should be located on your system and for more details of its use:
* http://www.khronos.org/registry/implementers_guide.pdf
*
* This file should be included as
* #include <KHR/khrplatform.h>
* by Khronos client API header files that use its types and defines.
*
* The types in khrplatform.h should only be used to define API-specific types.
*
* Types defined in khrplatform.h:
* khronos_int8_t signed 8 bit
* khronos_uint8_t unsigned 8 bit
* khronos_int16_t signed 16 bit
* khronos_uint16_t unsigned 16 bit
* khronos_int32_t signed 32 bit
* khronos_uint32_t unsigned 32 bit
* khronos_int64_t signed 64 bit
* khronos_uint64_t unsigned 64 bit
* khronos_intptr_t signed same number of bits as a pointer
* khronos_uintptr_t unsigned same number of bits as a pointer
* khronos_ssize_t signed size
* khronos_usize_t unsigned size
* khronos_float_t signed 32 bit floating point
* khronos_time_ns_t unsigned 64 bit time in nanoseconds
* khronos_utime_nanoseconds_t unsigned time interval or absolute time in
* nanoseconds
* khronos_stime_nanoseconds_t signed time interval in nanoseconds
* khronos_boolean_enum_t enumerated boolean type. This should
* only be used as a base type when a client API's boolean type is
* an enum. Client APIs which use an integer or other type for
* booleans cannot use this as the base type for their boolean.
*
* Tokens defined in khrplatform.h:
*
* KHRONOS_FALSE, KHRONOS_TRUE Enumerated boolean false/true values.
*
* KHRONOS_SUPPORT_INT64 is 1 if 64 bit integers are supported; otherwise 0.
* KHRONOS_SUPPORT_FLOAT is 1 if floats are supported; otherwise 0.
*
* Calling convention macros defined in this file:
* KHRONOS_APICALL
* KHRONOS_APIENTRY
* KHRONOS_APIATTRIBUTES
*
* These may be used in function prototypes as:
*
* KHRONOS_APICALL void KHRONOS_APIENTRY funcname(
* int arg1,
* int arg2) KHRONOS_APIATTRIBUTES;
*/
/*-------------------------------------------------------------------------
* Definition of KHRONOS_APICALL
*-------------------------------------------------------------------------
* This precedes the return type of the function in the function prototype.
*/
#if defined(_WIN32) && !defined(__SCITECH_SNAP__)
# define KHRONOS_APICALL __declspec(dllimport)
#elif defined (__SYMBIAN32__)
# define KHRONOS_APICALL IMPORT_C
#elif defined(__ANDROID__)
# define KHRONOS_APICALL __attribute__((visibility("default")))
#else
# define KHRONOS_APICALL
#endif
/*-------------------------------------------------------------------------
* Definition of KHRONOS_APIENTRY
*-------------------------------------------------------------------------
* This follows the return type of the function and precedes the function
* name in the function prototype.
*/
#if defined(_WIN32) && !defined(_WIN32_WCE) && !defined(__SCITECH_SNAP__)
/* Win32 but not WinCE */
# define KHRONOS_APIENTRY __stdcall
#else
# define KHRONOS_APIENTRY
#endif
/*-------------------------------------------------------------------------
* Definition of KHRONOS_APIATTRIBUTES
*-------------------------------------------------------------------------
* This follows the closing parenthesis of the function prototype arguments.
*/
#if defined (__ARMCC_2__)
#define KHRONOS_APIATTRIBUTES __softfp
#else
#define KHRONOS_APIATTRIBUTES
#endif
/*-------------------------------------------------------------------------
* basic type definitions
*-----------------------------------------------------------------------*/
#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__GNUC__) || defined(__SCO__) || defined(__USLC__)
/*
* Using <stdint.h>
*/
#include <stdint.h>
typedef int32_t khronos_int32_t;
typedef uint32_t khronos_uint32_t;
typedef int64_t khronos_int64_t;
typedef uint64_t khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#elif defined(__VMS ) || defined(__sgi)
/*
* Using <inttypes.h>
*/
#include <inttypes.h>
typedef int32_t khronos_int32_t;
typedef uint32_t khronos_uint32_t;
typedef int64_t khronos_int64_t;
typedef uint64_t khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#elif defined(_WIN32) && !defined(__SCITECH_SNAP__)
/*
* Win32
*/
typedef __int32 khronos_int32_t;
typedef unsigned __int32 khronos_uint32_t;
typedef __int64 khronos_int64_t;
typedef unsigned __int64 khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#elif defined(__sun__) || defined(__digital__)
/*
* Sun or Digital
*/
typedef int khronos_int32_t;
typedef unsigned int khronos_uint32_t;
#if defined(__arch64__) || defined(_LP64)
typedef long int khronos_int64_t;
typedef unsigned long int khronos_uint64_t;
#else
typedef long long int khronos_int64_t;
typedef unsigned long long int khronos_uint64_t;
#endif /* __arch64__ */
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#elif 0
/*
* Hypothetical platform with no float or int64 support
*/
typedef int khronos_int32_t;
typedef unsigned int khronos_uint32_t;
#define KHRONOS_SUPPORT_INT64 0
#define KHRONOS_SUPPORT_FLOAT 0
#else
/*
* Generic fallback
*/
#include <stdint.h>
typedef int32_t khronos_int32_t;
typedef uint32_t khronos_uint32_t;
typedef int64_t khronos_int64_t;
typedef uint64_t khronos_uint64_t;
#define KHRONOS_SUPPORT_INT64 1
#define KHRONOS_SUPPORT_FLOAT 1
#endif
/*
* Types that are (so far) the same on all platforms
*/
typedef signed char khronos_int8_t;
typedef unsigned char khronos_uint8_t;
typedef signed short int khronos_int16_t;
typedef unsigned short int khronos_uint16_t;
/*
* Types that differ between LLP64 and LP64 architectures - in LLP64,
* pointers are 64 bits, but 'long' is still 32 bits. Win64 appears
* to be the only LLP64 architecture in current use.
*/
#ifdef _WIN64
typedef signed long long int khronos_intptr_t;
typedef unsigned long long int khronos_uintptr_t;
typedef signed long long int khronos_ssize_t;
typedef unsigned long long int khronos_usize_t;
#else
typedef signed long int khronos_intptr_t;
typedef unsigned long int khronos_uintptr_t;
typedef signed long int khronos_ssize_t;
typedef unsigned long int khronos_usize_t;
#endif
#if KHRONOS_SUPPORT_FLOAT
/*
* Float type
*/
typedef float khronos_float_t;
#endif
#if KHRONOS_SUPPORT_INT64
/* Time types
*
* These types can be used to represent a time interval in nanoseconds or
* an absolute Unadjusted System Time. Unadjusted System Time is the number
* of nanoseconds since some arbitrary system event (e.g. since the last
* time the system booted). The Unadjusted System Time is an unsigned
* 64 bit value that wraps back to 0 every 584 years. Time intervals
* may be either signed or unsigned.
*/
typedef khronos_uint64_t khronos_utime_nanoseconds_t;
typedef khronos_int64_t khronos_stime_nanoseconds_t;
#endif
/*
* Dummy value used to pad enum types to 32 bits.
*/
#ifndef KHRONOS_MAX_ENUM
#define KHRONOS_MAX_ENUM 0x7FFFFFFF
#endif
/*
* Enumerated boolean type
*
* Values other than zero should be considered to be true. Therefore
* comparisons should not be made against KHRONOS_TRUE.
*/
typedef enum {
KHRONOS_FALSE = 0,
KHRONOS_TRUE = 1,
KHRONOS_BOOLEAN_ENUM_FORCE_SIZE = KHRONOS_MAX_ENUM
} khronos_boolean_enum_t;
#endif /* __khrplatform_h_ */

67
CMakeLists.txt
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@@ -1,50 +1,53 @@
cmake_minimum_required(VERSION 3.7) cmake_minimum_required(VERSION 3.7)
project(AEON CXX) project(AEON)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} CMakeModules/) set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/CMakeModules/")
cmake_policy(SET CMP0037 OLD) # alow for spaces in file names
set(CMAKE_CXX_STANDARD 20) set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON) set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++20") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++20")
# set(CMAKE_BUILD_TYPE Debug)
# set(CMAKE_CXX_FLAGS "-Ofast")
# Adds RESOURCES constant in C++
add_definitions(-DRESOURCES="${CMAKE_SOURCE_DIR}/resources/")
message(${CMAKE_SOURCE_DIR}/resources)
set(exe out)
file(GLOB EngineSource
Aeon/*.cpp
Aeon/ThirdParty/*.cpp
Aeon/Maths/*.cpp
)
#temp
file (GLOB GameSource
Game/*.cpp
)
set(THREADS_PREFER_PTHREAD_FLAD ON) set(THREADS_PREFER_PTHREAD_FLAD ON)
find_package(Threads REQUIRED) find_package(Threads REQUIRED)
# Find GL and GLX package # Find GL and GLX package
find_package(OpenGL REQUIRED) find_package(OpenGL REQUIRED)
find_package(SDL2 REQUIRED)
include_directories(".") # Adds RESOURCES constant in C++
include_directories(${WinSDK}) add_definitions(-DRESOURCES="${CMAKE_SOURCE_DIR}/resources/")
message(${CMAKE_SOURCE_DIR}/resources)
add_executable(Aeon set(Aeon Aeon)
${EngineSource} ${GameSource}
file(GLOB EngineSource
Aeon/*.cpp
Aeon/Core/*.cpp
Aeon/Maths/*.cpp
Aeon/Profiling/*.cpp
Aeon/ThirdParty/*.cpp
Aeon/ThirdParty/*.c
) )
link_libraries(${exe} #temp
Threads::Threads file(GLOB GameSource
OpenGL::OpenGL Game/*.cpp
OpenGL::GL )
OpenGL::GLX
include_directories(${Aeon}
"."
${WinSDK} ${WinSDK}
${SDL2_INCLUDE_DIRS}
)
add_executable(${Aeon}
${EngineSource}
${GameSource}
)
target_link_libraries(${Aeon}
${WinSDK}
${SDL2_LIBRARIES}
Threads::Threads
OpenGL::GL
) )

197
CMakeModules/FindSDL2.cmake Normal file
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@@ -0,0 +1,197 @@
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#.rst:
# FindSDL2
# -------
#
# Locate SDL2 library
#
# This module defines
#
# ::
#
# SDL2_LIBRARY, the name of the library to link against
# SDL2_FOUND, if false, do not try to link to SDL
# SDL2_INCLUDE_DIR, where to find SDL.h
# SDL2_VERSION_STRING, human-readable string containing the version of SDL
#
#
#
# This module responds to the flag:
#
# ::
#
# SDL2_BUILDING_LIBRARY
# If this is defined, then no SDL2_main will be linked in because
# only applications need main().
# Otherwise, it is assumed you are building an application and this
# module will attempt to locate and set the proper link flags
# as part of the returned SDL2_LIBRARY variable.
#
#
#
# Don't forget to include SDLmain.h and SDLmain.m your project for the
# OS X framework based version. (Other versions link to -lSDLmain which
# this module will try to find on your behalf.) Also for OS X, this
# module will automatically add the -framework Cocoa on your behalf.
#
#
#
# Additional Note: If you see an empty SDL2_LIBRARY_TEMP in your
# configuration and no SDL2_LIBRARY, it means CMake did not find your SDL
# library (SDL.dll, libsdl.so, SDL.framework, etc). Set
# SDL2_LIBRARY_TEMP to point to your SDL library, and configure again.
# Similarly, if you see an empty SDLMAIN_LIBRARY, you should set this
# value as appropriate. These values are used to generate the final
# SDL2_LIBRARY variable, but when these values are unset, SDL2_LIBRARY
# does not get created.
#
#
#
# $SDL2DIR is an environment variable that would correspond to the
# ./configure --prefix=$SDL2DIR used in building SDL. l.e.galup 9-20-02
#
# Modified by Eric Wing. Added code to assist with automated building
# by using environmental variables and providing a more
# controlled/consistent search behavior. Added new modifications to
# recognize OS X frameworks and additional Unix paths (FreeBSD, etc).
# Also corrected the header search path to follow "proper" SDL
# guidelines. Added a search for SDLmain which is needed by some
# platforms. Added a search for threads which is needed by some
# platforms. Added needed compile switches for MinGW.
#
# On OSX, this will prefer the Framework version (if found) over others.
# People will have to manually change the cache values of SDL2_LIBRARY to
# override this selection or set the CMake environment
# CMAKE_INCLUDE_PATH to modify the search paths.
#
# Note that the header path has changed from SDL/SDL.h to just SDL.h
# This needed to change because "proper" SDL convention is #include
# "SDL.h", not <SDL/SDL.h>. This is done for portability reasons
# because not all systems place things in SDL/ (see FreeBSD).
if(NOT SDL2_DIR)
set(SDL2_DIR "" CACHE PATH "SDL2 directory")
endif()
find_path(SDL2_INCLUDE_DIR SDL.h
HINTS
ENV SDL2DIR
${SDL2_DIR}
PATH_SUFFIXES SDL2
# path suffixes to search inside ENV{SDL2DIR}
include/SDL2 include
)
# AWLAYS 64 bit
set(VC_LIB_PATH_SUFFIX lib/x64)
find_library(SDL2_LIBRARY_TEMP
NAMES SDL2
HINTS
ENV SDL2DIR
${SDL2_DIR}
PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
)
# Hide this cache variable from the user, it's an internal implementation
# detail. The documented library variable for the user is SDL2_LIBRARY
# which is derived from SDL2_LIBRARY_TEMP further below.
set_property(CACHE SDL2_LIBRARY_TEMP PROPERTY TYPE INTERNAL)
if(NOT SDL2_BUILDING_LIBRARY)
if(NOT SDL2_INCLUDE_DIR MATCHES ".framework")
# Non-OS X framework versions expect you to also dynamically link to
# SDLmain. This is mainly for Windows and OS X. Other (Unix) platforms
# seem to provide SDLmain for compatibility even though they don't
# necessarily need it.
find_library(SDL2MAIN_LIBRARY
NAMES SDL2main
HINTS
ENV SDL2DIR
${SDL2_DIR}
PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
PATHS
/sw
/opt/local
/opt/csw
/opt
)
endif()
endif()
# SDL may require threads on your system.
# The Apple build may not need an explicit flag because one of the
# frameworks may already provide it.
# But for non-OSX systems, I will use the CMake Threads package.
if(NOT APPLE)
find_package(Threads)
endif()
# MinGW needs an additional link flag, -mwindows
# It's total link flags should look like -lmingw32 -lSDLmain -lSDL -mwindows
if(MINGW)
set(MINGW32_LIBRARY mingw32 "-mwindows" CACHE STRING "link flags for MinGW")
endif()
if(SDL2_LIBRARY_TEMP)
# For SDLmain
if(SDL2MAIN_LIBRARY AND NOT SDL2_BUILDING_LIBRARY)
list(FIND SDL2_LIBRARY_TEMP "${SDLMAIN_LIBRARY}" _SDL2_MAIN_INDEX)
if(_SDL2_MAIN_INDEX EQUAL -1)
set(SDL2_LIBRARY_TEMP "${SDLMAIN_LIBRARY}" ${SDL2_LIBRARY_TEMP})
endif()
unset(_SDL2_MAIN_INDEX)
endif()
# For OS X, SDL uses Cocoa as a backend so it must link to Cocoa.
# CMake doesn't display the -framework Cocoa string in the UI even
# though it actually is there if I modify a pre-used variable.
# I think it has something to do with the CACHE STRING.
# So I use a temporary variable until the end so I can set the
# "real" variable in one-shot.
if(APPLE)
set(SDL2_LIBRARY_TEMP ${SDL2_LIBRARY_TEMP} "-framework Cocoa")
endif()
# For threads, as mentioned Apple doesn't need this.
# In fact, there seems to be a problem if I used the Threads package
# and try using this line, so I'm just skipping it entirely for OS X.
if(NOT APPLE)
set(SDL2_LIBRARY_TEMP ${SDL2_LIBRARY_TEMP} ${CMAKE_THREAD_LIBS_INIT})
endif()
# For MinGW library
if(MINGW)
set(SDL2_LIBRARY_TEMP ${MINGW32_LIBRARY} ${SDL2_LIBRARY_TEMP})
endif()
# Set the final string here so the GUI reflects the final state.
set(SDL2_LIBRARY ${SDL2_LIBRARY_TEMP} CACHE STRING "Where the SDL Library can be found")
endif()
if(SDL2_INCLUDE_DIR AND EXISTS "${SDL2_INCLUDE_DIR}/SDL2_version.h")
file(STRINGS "${SDL2_INCLUDE_DIR}/SDL2_version.h" SDL2_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL2_MAJOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL2_INCLUDE_DIR}/SDL2_version.h" SDL2_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL2_MINOR_VERSION[ \t]+[0-9]+$")
file(STRINGS "${SDL2_INCLUDE_DIR}/SDL2_version.h" SDL2_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL2_PATCHLEVEL[ \t]+[0-9]+$")
string(REGEX REPLACE "^#define[ \t]+SDL2_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_VERSION_MAJOR "${SDL2_VERSION_MAJOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL2_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_VERSION_MINOR "${SDL2_VERSION_MINOR_LINE}")
string(REGEX REPLACE "^#define[ \t]+SDL2_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_VERSION_PATCH "${SDL2_VERSION_PATCH_LINE}")
set(SDL2_VERSION_STRING ${SDL2_VERSION_MAJOR}.${SDL2_VERSION_MINOR}.${SDL2_VERSION_PATCH})
unset(SDL2_VERSION_MAJOR_LINE)
unset(SDL2_VERSION_MINOR_LINE)
unset(SDL2_VERSION_PATCH_LINE)
unset(SDL2_VERSION_MAJOR)
unset(SDL2_VERSION_MINOR)
unset(SDL2_VERSION_PATCH)
endif()
set(SDL2_LIBRARIES ${SDL2_LIBRARY} ${SDL2MAIN_LIBRARY})
set(SDL2_INCLUDE_DIRS ${SDL2_INCLUDE_DIR})
include(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL
REQUIRED_VARS SDL2_LIBRARY SDL2_INCLUDE_DIR
VERSION_VAR SDL2_VERSION_STRING)

6
CMakeSettings.json
View File

@@ -9,8 +9,7 @@
"installRoot": "${projectDir}\\out\\install\\${name}", "installRoot": "${projectDir}\\out\\install\\${name}",
"cmakeCommandArgs": "", "cmakeCommandArgs": "",
"buildCommandArgs": "-v", "buildCommandArgs": "-v",
"ctestCommandArgs": "", "ctestCommandArgs": ""
"variables": []
}, },
{ {
"name": "x64-Release", "name": "x64-Release",
@@ -21,8 +20,7 @@
"cmakeCommandArgs": "", "cmakeCommandArgs": "",
"buildCommandArgs": "-v", "buildCommandArgs": "-v",
"ctestCommandArgs": "", "ctestCommandArgs": "",
"inheritEnvironments": [ "msvc_x64_x64" ], "inheritEnvironments": [ "msvc_x64_x64" ]
"variables": []
} }
] ]
} }

9
Game/ExampleGame.cpp
View File

@@ -8,13 +8,14 @@ class ExampleGame : public Aeon::Core::App
public: public:
// take command line args better (parse them first!) // take command line args better (parse them first!)
ExampleGame( int argc, char** argv ) ExampleGame()
: App( { "Game with AEON!" } ) : App( { "Game with AEON!" } )
{ {
Run();
} }
~ExampleGame() override ~ExampleGame()
{ {
} }
@@ -23,5 +24,7 @@ public:
int main( int argc, char** argv ) int main( int argc, char** argv )
{ {
ExampleGame game(argc, argv); ExampleGame game;
return 0;
} }

BIN
SDL2.dll Normal file
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