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This commit is contained in:
Robert Vokac 2025-02-22 21:32:25 +01:00
parent 7d6a7eec8c
commit 69bdcd3fd0
Signed by: robertvokac
GPG Key ID: FB9CE8E20AADA55F
12 changed files with 331 additions and 0 deletions
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17
CMakeLists.txt Normal file
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cmake_minimum_required(VERSION 3.10)
project(CNA)
set(CMAKE_CXX_STANDARD 17)
find_package(SDL3 REQUIRED)
find_package(SDL3_image REQUIRED)
add_library(CNA STATIC
src/Game.cpp
src/GraphicsDevice.cpp
src/SpriteBatch.cpp
src/Texture2D.cpp
)
target_include_directories(CNA PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include)
target_link_libraries(CNA PRIVATE SDL3::SDL3 SDL3_image)

45
cna.cbp Normal file
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<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<CodeBlocks_project_file>
<FileVersion major="1" minor="6" />
<Project>
<Option title="cna" />
<Option pch_mode="2" />
<Option compiler="gcc" />
<Build>
<Target title="Debug">
<Option output="bin/Debug/cna" prefix_auto="1" extension_auto="1" />
<Option object_output="obj/Debug/" />
<Option type="1" />
<Option compiler="gcc" />
<Compiler>
<Add option="-g" />
</Compiler>
</Target>
<Target title="Release">
<Option output="bin/Release/cna" prefix_auto="1" extension_auto="1" />
<Option object_output="obj/Release/" />
<Option type="1" />
<Option compiler="gcc" />
<Compiler>
<Add option="-O2" />
</Compiler>
<Linker>
<Add option="-s" />
</Linker>
</Target>
</Build>
<Compiler>
<Add option="-Wall" />
<Add option="-fexceptions" />
</Compiler>
<Unit filename="include/Game.h" />
<Unit filename="include/GraphicsDevice.h" />
<Unit filename="include/SpriteBatch.h" />
<Unit filename="include/Texture2D.h" />
<Unit filename="src/Game.cpp" />
<Unit filename="src/GraphicsDevice.cpp" />
<Unit filename="src/SpriteBatch.cpp" />
<Unit filename="src/Texture2D.cpp" />
<Extensions />
</Project>
</CodeBlocks_project_file>

25
cna.layout Normal file
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<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<CodeBlocks_layout_file>
<FileVersion major="1" minor="0" />
<ActiveTarget name="Debug" />
<File name="src/SpriteBatch.cpp" open="1" top="1" tabpos="2" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
<Cursor>
<Cursor1 position="679" topLine="0" />
</Cursor>
</File>
<File name="src/GraphicsDevice.cpp" open="1" top="0" tabpos="1" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
<Cursor>
<Cursor1 position="87" topLine="0" />
</Cursor>
</File>
<File name="include/Game.h" open="1" top="0" tabpos="4" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
<Cursor>
<Cursor1 position="0" topLine="0" />
</Cursor>
</File>
<File name="include/GraphicsDevice.h" open="1" top="0" tabpos="3" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
<Cursor>
<Cursor1 position="399" topLine="0" />
</Cursor>
</File>
</CodeBlocks_layout_file>

31
include/CNA/Game.h Normal file
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#ifndef CNA_GAME_H
#define CNA_GAME_H
#include "GraphicsDevice.h"
#include "SpriteBatch.h"
namespace CNA {
class Game {
public:
Game();
virtual ~Game();
void Run();
void Exit() { isRunning = false; }
protected:
virtual void Initialize();
virtual void LoadContent();
virtual void Update(float deltaTime);
virtual void Draw();
GraphicsDevice* graphicsDevice;
SpriteBatch* spriteBatch;
private:
bool isRunning;
};
}
#endif // CNA_GAME_H

28
include/CNA/GraphicsDevice.h Normal file
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#ifndef CNA_GRAPHICSDEVICE_H
#define CNA_GRAPHICSDEVICE_H
#include <SDL3/SDL.h>
namespace CNA {
class GraphicsDevice {
public:
GraphicsDevice();
~GraphicsDevice();
void Clear(float r, float g, float b, float a);
void Present();
SDL_Renderer* GetRenderer();
protected:
private:
SDL_Window* window;
SDL_Renderer* renderer;
//friend class SpriteBatch;
};
}
#endif // CNA_GRAPHICSDEVICE_H

23
include/CNA/SpriteBatch.h Normal file
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#ifndef CNA_SPRITEBATCH_H
#define CNA_SPRITEBATCH_H
#include "GraphicsDevice.h"
#include <SDL3/SDL.h>
namespace CNA {
class SpriteBatch {
public:
SpriteBatch(GraphicsDevice* graphicsDevice);
~SpriteBatch();
void Begin();
void End();
void Draw(SDL_Texture* texture, float x, float y);
private:
SDL_Renderer* renderer;
};
}
#endif // CNA_SPRITEBATCH_H

20
include/CNA/Texture2D.h Normal file
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#ifndef CNA_TEXTURE2D_H
#define CNA_TEXTURE2D_H
#include <SDL3/SDL.h>
namespace CNA {
class Texture2D {
public:
Texture2D(SDL_Renderer* renderer, const char* filePath);
~Texture2D();
SDL_Texture* GetTexture() const { return texture; }
private:
SDL_Texture* texture;
};
}
#endif // CNA_TEXTURE2D_H

9
main.cpp Normal file
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#include <iostream>
using namespace std;
int main()
{
cout << "Hello world!" << endl;
return 0;
}

50
src/Game.cpp Normal file
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#include "CNA/Game.h"
#include <SDL3/SDL.h>
#include <iostream>
namespace CNA {
Game::Game() : isRunning(true) {
}
Game::~Game() {
}
void Game::Run() {
Initialize();
int i = 0;
while (isRunning) {
SDL_Event e;
while (SDL_PollEvent(&e)) {
if (e.type == SDL_EVENT_QUIT) {
isRunning = false;
}
}
Update(0.016f);
Draw();
i++;
std::cout<<"next frame"<<i;
SDL_Delay(50);
}
}
void Game::Initialize() {
// Initialize game resources
LoadContent();
}
void Game::LoadContent() {
// Loading content (e.g. textures)
}
void Game::Update(float deltaTime) {
// Main game logic
}
void Game::Draw() {
}
}

40
src/GraphicsDevice.cpp Normal file
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#include "CNA/GraphicsDevice.h"
#include <SDL3/SDL.h>
#include <iostream>
namespace CNA {
GraphicsDevice::GraphicsDevice() {
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
std::cerr << "SDL2 could not initialize! SDL_Error: " << SDL_GetError() << std::endl;
}
window = SDL_CreateWindow("CNA Game", 800, 600, SDL_WINDOW_RESIZABLE);
if (!window) {
std::cerr << "Window could not be created! SDL_Error: " << SDL_GetError() << std::endl;
}
renderer = SDL_CreateRenderer(window, NULL);
if (!renderer) {
std::cerr << "Renderer could not be created! SDL_Error: " << SDL_GetError() << std::endl;
}
}
GraphicsDevice::~GraphicsDevice() {
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);
SDL_Quit();
}
void GraphicsDevice::Clear(float r, float g, float b, float a) {
SDL_SetRenderDrawColor(renderer, static_cast<Uint8>(r * 255), static_cast<Uint8>(g * 255), static_cast<Uint8>(b * 255), static_cast<Uint8>(a * 255));
SDL_RenderClear(renderer);
}
void GraphicsDevice::Present() {
SDL_RenderPresent(renderer);
}
SDL_Renderer* GraphicsDevice::GetRenderer() {
return renderer;
}
}

24
src/SpriteBatch.cpp Normal file
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#include "CNA/SpriteBatch.h"
#include <SDL3_image/SDL_image.h>
namespace CNA {
SpriteBatch::SpriteBatch(GraphicsDevice* graphicsDevice) {
renderer = graphicsDevice->GetRenderer();
}
SpriteBatch::~SpriteBatch() {}
void SpriteBatch::Begin() {
// Setting before rendering, for example blend mode
}
void SpriteBatch::End() {
// Clean up after renderring
}
void SpriteBatch::Draw(SDL_Texture* texture, float x, float y) {
SDL_FRect dstFRect = { static_cast<float>(x), static_cast<float>(y), 100.0f, 100.0f }; // 100x100 is the size of the image
SDL_RenderTexture(renderer, texture, nullptr, &dstFRect);
}
}

19
src/Texture2D.cpp Normal file
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#include "CNA/Texture2D.h"
#include <SDL3_image/SDL_image.h>
#include <iostream>
namespace CNA {
Texture2D::Texture2D(SDL_Renderer* renderer, const char* filePath) {
texture = IMG_LoadTexture(renderer, filePath);
if (!texture) {
std::cerr << "Failed to load texture: " << SDL_GetError() << std::endl;
}
}
Texture2D::~Texture2D() {
if (texture) {
SDL_DestroyTexture(texture);
}
}
}