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/**
* Test-/Exampleprogram which links against the Mumble link plugin to send
* positional data.
*/
// Allow use of wcsncpy without warnings
#define _CRT_SECURE_NO_WARNINGS
#include <QtCore>
#ifdef Q_OS_WIN
# include "win.h"
#else
# include <fcntl.h>
# include <sys/mman.h>
#endif
struct LinkedMem {
#ifdef WIN32
UINT32 uiVersion;
DWORD uiTick;
#else
uint32_t uiVersion;
uint32_t uiTick;
#endif
float fAvatarPosition[3];
float fAvatarFront[3];
float fAvatarTop[3];
wchar_t name[256];
float fCameraPosition[3];
float fCameraFront[3];
float fCameraTop[3];
wchar_t identity[256];
#ifdef WIN32
UINT32 context_len;
#else
uint32_t context_len;
#endif
unsigned char context[256];
wchar_t description[2048];
};
LinkedMem *lm = NULL;
void initMumble() {
#ifdef WIN32
HANDLE hMapObject = OpenFileMappingW(FILE_MAP_ALL_ACCESS, FALSE, L"MumbleLink");
if (hMapObject == NULL)
return;
lm = (LinkedMem *) MapViewOfFile(hMapObject, FILE_MAP_ALL_ACCESS, 0, 0, sizeof(LinkedMem));
if (lm == NULL) {
CloseHandle(hMapObject);
hMapObject = NULL;
return;
}
#else
char memname[256];
snprintf(memname, 256, "/MumbleLink.%d", getuid());
int shmfd = shm_open(memname, O_RDWR, S_IRUSR | S_IWUSR);
if (shmfd < 0) {
return;
}
lm = (LinkedMem *)(mmap(NULL, sizeof(struct LinkedMem), PROT_READ | PROT_WRITE, MAP_SHARED, shmfd,0));
if (lm == (void *)(-1)) {
lm = NULL;
return;
}
#endif
}
void updateMumble() {
if (! lm)
return;
if (lm->uiVersion != 2) {
wcsncpy(lm->name, L"TestLink", 256);
wcsncpy(lm->description, L"TestLink is a test of the Link plugin.", 2048);
lm->uiVersion = 2;
}
lm->uiTick++;
// Left handed coordinate system.
// X positive towards "right".
// Y positive towards "up".
// Z positive towards "into screen".
//
// 1 unit = 1 meter
// Unit vector pointing out of the avatars eyes (here Front looks into scene).
lm->fAvatarFront[0] = 0.0f;
lm->fAvatarFront[1] = 0.0f;
lm->fAvatarFront[2] = 1.0f;
// Unit vector pointing out of the top of the avatars head (here Top looks straight up).
lm->fAvatarTop[0] = 0.0f;
lm->fAvatarTop[1] = 1.0f;
lm->fAvatarTop[2] = 0.0f;
// Position of the avatar (here standing slightly off the origin)
lm->fAvatarPosition[0] += 0.001f;
lm->fAvatarPosition[1] = 0.0f;
lm->fAvatarPosition[2] = 0.5f;
// Same as avatar but for the camera.
lm->fCameraPosition[0] = 0.0f;
lm->fCameraPosition[1] = 0.0f;
lm->fCameraPosition[2] = 0.0f;
lm->fCameraFront[0] = 0.0f;
lm->fCameraFront[1] = 0.0f;
lm->fCameraFront[2] = 1.0f;
lm->fCameraTop[0] = 0.0f;
lm->fCameraTop[1] = 1.0f;
lm->fCameraTop[2] = 0.0f;
// Identifier which uniquely identifies a certain player in a context (e.g. the ingame Name).
wcsncpy(lm->identity, L"Unique ID", 256);
// Context should be equal for players which should be able to hear each other positional and
// differ for those who shouldn't (e.g. it could contain the server+port and team)
memcpy(lm->context, "ContextBlob\x00\x01\x02\x03\x04", 16);
lm->context_len = 16;
}
int main(int argc, char **argv) {
QCoreApplication a(argc, argv);
initMumble();
if (lm == NULL)
qFatal("No Link!");
lm->fAvatarPosition[0];
while (true) {
qWarning("Tick!");
updateMumble();
#ifdef WIN32
Sleep(100);
#else
usleep(100*1000);
#endif
}
}
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