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我的引擎的构造函数用自己的指针(this)构造音频,视频和输入对象。但是,当我调试时,我看到构造的enginePtr的所有类与调试器提供的值不同。这个指针由Object(this)设置!= this
当我在里面窥视时,例如,我看到,pRender的enginePtr与引擎的值不同。他们大多数都设置为NULL,这会导致渲染崩溃。
这里是我的引擎构造:
cEngine::cEngine(int flag) {
if (!al_get_system_driver()) {
this->isRunning = true;
al_init();
// Uses DirectX by default, uncomment ALLEGRO_OPENGL for OpenGL.
if (flag == OPENGL_WINDOW || flag == OPENGL) al_set_new_display_flags(ALLEGRO_RESIZABLE | ALLEGRO_OPENGL);
else if (flag == DIRECTX_WINDOW || flag == DIRECTX) al_set_new_display_flags(ALLEGRO_RESIZABLE);
else if (flag == OPENGL_FULLSCREEN) al_set_new_display_flags(ALLEGRO_FULLSCREEN | ALLEGRO_OPENGL);
else if (flag == DIRECTX_FULLSCREEN) al_set_new_display_flags(ALLEGRO_FULLSCREEN);
this->display = createDisplay("Motherload C++", -1, -1, 640, 480);
srand((unsigned) time(0));
pCam = new cCam(this);
pIO = new cIO(this);
pMap = new cMap(this, setPoint(50, 50), setPoint(13, 20)); // 13, 20
pPlayer = new cPlayer(this);
pAudio = new cAudio(this);
pRender = new cRender(this);
pEvents = new cEvents(this);
}
}
cRender构造:
cRender::cRender(cEngine* pEngine) {
this->pPlayerLoc = pPlayerLoc;
this->BLACK = al_map_rgb(30, 100, 200);
this->needsRedraw = false;
this->pEngine = pEngine;
al_init_font_addon();
al_init_ttf_addon();
splitImages();
//this->font = al_load_font("C:/resource/gisha.ttf", 24, 0);
//this->img = al_load_bitmap("C:/resource/rock.png");
}
感谢
没有什么概念错误,你正在尝试......必须是一个小的实现细节。你可以向我们展示这些类之一的构造函数吗(cCam,CIO,cAudio或其他...?) – 2010-11-12 02:38:54
@Tony参见上面的编辑 – jmasterx 2010-11-12 02:40:40
这不应该编译,'pReander = new cRender((this);'是语法上不可编译 – dreamlax 2010-11-12 02:40:42