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< div class = "title" > Tutorial 24: CursorControl < / div > < / div >
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< p > Show how to modify cursors and offer some useful tool-functions for creating cursors. It can also be used for experiments with the mouse in general. < / p > < div class = "fragment" > < div class = "line" > < span class = "preprocessor" > #include < irrlicht.h> < / span > < / div > < div class = "line" > < span class = "preprocessor" > #include " driverChoice.h" < / span > < / div > < div class = "line" > < span class = "preprocessor" > #include " exampleHelper.h" < / span > < / div > < div class = "line" > < / div > < div class = "line" > < span class = "keyword" > using namespace < / span > irr;< / div > < div class = "line" > < span class = "keyword" > using namespace < / span > core;< / div > < div class = "line" > < span class = "keyword" > using namespace < / span > scene;< / div > < div class = "line" > < span class = "keyword" > using namespace < / span > video;< / div > < div class = "line" > < span class = "keyword" > using namespace < / span > io;< / div > < div class = "line" > < span class = "keyword" > using namespace < / span > gui;< / div > < div class = "line" > < / div > < div class = "line" > < span class = "preprocessor" > #ifdef _MSC_VER< / span > < / div > < div class = "line" > < span class = "preprocessor" > #pragma comment(lib, " Irrlicht.lib" )< / span > < / div > < div class = "line" > < span class = "preprocessor" > #endif< / span > < / div > < div class = "line" > < / div > < div class = "line" > < span class = "keyword" > const< / span > < span class = "keywordtype" > int< / span > DELAY_TIME = 3000;< / div > < div class = "line" > < / div > < div class = "line" > < span class = "keyword" > enum< / span > ETimerAction< / div > < div class = "line" > {< / div > < div class = "line" > ETA_MOUSE_VISIBLE,< / div > < div class = "line" > ETA_MOUSE_INVISIBLE,< / div > < div class = "line" > };< / div > < / div > <!-- fragment --> < p > Structure to allow delayed execution of some actions. < / p > < div class = "fragment" > < div class = "line" > < span class = "keyword" > struct < / span > TimerAction< / div > < div class = "line" > {< / div > < div class = "line" > u32 TargetTime;< / div > < div class = "line" > ETimerAction Action;< / div > < div class = "line" > };< / div > < / div > <!-- fragment --> < div class = "fragment" > < div class = "line" > < span class = "keyword" > struct < / span > SAppContext< / div > < div class = "line" > {< / div > < div class = "line" > SAppContext()< / div > < div class = "line" > : Device(0), InfoStatic(0), EventBox(0), CursorBox(0), SpriteBox(0)< / div > < div class = "line" > , ButtonSetVisible(0), ButtonSetInvisible(0), ButtonSimulateBadFps(0)< / div > < div class = "line" > , ButtonChangeIcon(0)< / div > < div class = "line" > , SimulateBadFps(false)< / div > < div class = "line" > {< / div > < div class = "line" > }< / div > < div class = "line" > < / div > < div class = "line" > < span class = "keywordtype" > void< / span > update()< / div > < div class = "line" > {< / div > < div class = "line" > < span class = "keywordflow" > if< / span > (!Device)< / div > < div class = "line" > < span class = "keywordflow" > return< / span > ;< / div > < div class = "line" > u32 timeNow = Device-> getTimer()-> getTime();< / div > < div class = "line" > < span class = "keywordflow" > for< / span > ( u32 i=0; i < TimerActions.size(); ++i )< / div > < div class = "line" > {< / div > < div class = "line" > < span class = "keywordflow" > if< / span > ( timeNow > = TimerActions[i].TargetTime )< / div > < div class = "line" > {< / div > < div class = "line" > runTimerAction(TimerActions[i]);< / div > < div class = "line" > TimerActions.erase(i);< / div > < div class = "line" > }< / div > < div class = "line" > < span class = "keywordflow" > else< / span > < / div > < div class = "line" > {< / div > < div class = "line" > ++i;< / div > < div class = "line" > }< / div > < div class = "line" > }< / div > < div class = "line" > }< / div > < div class = "line" > < / div > < div class = "line" > < span class = "keywordtype" > void< / span > runTimerAction(< span class = "keyword" > const< / span > TimerAction& action)< / div > < div class = "line" > {< / div > < div class = "line" > < span class = "keywordflow" > if< / span > (ETA_MOUSE_VISIBLE == action.Action)< / div > < div class = "line" > {< / div > < div class = "line" > Device-> getCursorControl()-> setVisible(< span class = "keyword" > true< / span > );< / div > < div class = "line" > ButtonSetVisible-> setEnabled(< span class = "keyword" > true< / span > );< / div > < div class = "line" > }< / div > < div class = "line
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