我正在关注SDL_net上的教程,对于我的程序崩溃的原因感到十分困惑。你可以找到教程here.我的客户端在服务器打开的情况下运行后崩溃。SDL_net没有opengl上下文
我只是想知道这是什么错误的手段(使用SDLNet_GetError()):我只是工作
no opengl context has been made
关闭核心SDL与SDL_TTF,而且不知道这意味着什么。我遵循的教程示例使用了OpenGL,因此如果我猜测错误是因为我没有使用它而造成的?我只是假定它只需要SDL。
如果你想看看代码,你可以找到client code here,和server code here。我不打算把这个问题放在这个问题上,因为它很长,我只需简单地解释一下错误就可以了,我不想要求我的代码有什么问题的完整解释。
好了,所以我的初始化代码通过屏幕管理做到:
#include "ScreenManager.h"
ScreenManager &ScreenManager::GetInstance(){
static ScreenManager instance;
return instance;
}
void ScreenManager::init(){
SDL_Init(SDL_INIT_EVERYTHING);
TTF_Init();
SDLNet_Init();
window = SDL_CreateWindow("Game", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1920, 1080, SDL_WINDOW_BORDERLESS);
renderer = SDL_CreateRenderer(window, 0, SDL_RENDERER_ACCELERATED);
running = true;
ResourceManager::GetInstance().loadTexture(renderer, "res/Human.bmp", "player");
ResourceManager::GetInstance().loadTexture(renderer, "res/space.bmp", "background");
ResourceManager::GetInstance().loadTexture(renderer, "res/ship.bmp", "ship");
ResourceManager::GetInstance().loadTexture(renderer, "res/interior.bmp", "interior");
SDL_GL_SetSwapInterval(1);
GameManager::GetInstance().init();
currentScreen = new MainScreen();
currentScreen->init();
}
void ScreenManager::close(){
ResourceManager::GetInstance().close();
currentScreen->close();
SDL_DestroyWindow(window);
SDL_DestroyRenderer(renderer);
SDL_Quit();
SDLNet_Quit();
TTF_Quit();
}
void ScreenManager::update(){
currentScreen->update();
}
void ScreenManager::render(){
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
SDL_RenderClear(renderer);
currentScreen->render(renderer);
SDL_RenderPresent(renderer);
}
void ScreenManager::setScreen(GameScreen *screenToSet){
currentScreen->close();
currentScreen = screenToSet;
currentScreen->init();
}
void ScreenManager::handleEvents(){
SDL_Event e;
while(SDL_PollEvent(&e) > 0){
switch(e.type){
case SDL_QUIT:
running = false;
break;
}
}
}
bool ScreenManager::isRunning(){
return running;
}
它是运行屏幕,这是在网络上运行:
#include "MainScreen.h"
void MainScreen::init(){
Network = new network();
Network->init();
player = new Player((1920/2) - 32, (1080/2) - 32);
background = new Background();
entity_vector.push_back(new Ship(30, 30, 699*4, 444*4, 0, "ship", "interior"));
}
void MainScreen::close(){
Network->close();
for(unsigned i = 0; i < entity_vector.size(); i++){
entity_vector[i]->close();
}
player->close();
}
void MainScreen::update(){
for(unsigned i = 0; i < entity_vector.size(); i++){
entity_vector[i]->update();
}
player->update((1920/2) - 32, (1080/2) - 32);
GameManager::GetInstance().update();
Network->recv(enemies, player);
Network->send(player);
}
void MainScreen::render(SDL_Renderer *renderer){
for(unsigned i = 0; i < entity_vector.size(); i++){
entity_vector[i]->render(renderer);
}
for(unsigned i = 0; i < enemies.size(); i++){
enemies[i]->render(renderer);
}
background->render(renderer);
player->render(renderer);
}
如果您能指出哪个程序崩溃(服务器或客户端?)以及哪条线路,这将有所帮助。 – 2016-06-09 20:23:52
这是我的客户,修改了我的问题。 – genfy