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fixup contrib example a bit

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This commit is contained in:
Erik Faye-Lund 2010-01-05 22:27:31 +01:00
parent 5c7dfb7bec
commit a379fe572a
1 changed files with 56 additions and 58 deletions
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114
contrib/example_bass.cpp
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@ -13,14 +13,13 @@
#include "bass.h" #include "bass.h"
#include "sync-cpp.h" #include "sync-cpp.h"
class BassTimer : public sync::Timer class BassTimer : public sync::Timer {
{
public: public:
BassTimer(HSTREAM stream, float bpm, int rowsPerBeat) : stream(stream) BassTimer(HSTREAM stream, float bpm, int rowsPerBeat) : stream(stream)
{ {
rowRate = (double(bpm) / 60) * rowsPerBeat; rowRate = (double(bpm) / 60) * rowsPerBeat;
} }
// BASS hooks // BASS hooks
void pause() { BASS_ChannelPause(stream); } void pause() { BASS_ChannelPause(stream); }
void play() { BASS_ChannelPlay(stream, false); } void play() { BASS_ChannelPlay(stream, false); }
@ -40,37 +39,50 @@ const unsigned int height = 600;
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
int ret = 0; int ret = 0;
try try {
{
// initialize directx // initialize directx
IDirect3D9 *d3d = Direct3DCreate9(D3D_SDK_VERSION); IDirect3D9 *d3d = Direct3DCreate9(D3D_SDK_VERSION);
if (NULL == d3d) throw std::string("update directx, fool."); if (!d3d)
throw std::string("This application requires DirectX 9");
// create a window // create a window
HWND hwnd = CreateWindowEx(0, "static", "GNU Rocket Example", WS_POPUP | WS_VISIBLE, 0, 0, width, height, 0, 0, GetModuleHandle(0), 0); HWND hwnd = CreateWindowEx(0, "static", "GNU Rocket Example",
WS_POPUP | WS_VISIBLE, 0, 0, width, height, 0, 0,
GetModuleHandle(0), 0);
// create the device // create the device
IDirect3DDevice9 *device = NULL; IDirect3DDevice9 *device = NULL;
static D3DPRESENT_PARAMETERS present_parameters = {width, height, D3DFMT_X8R8G8B8, 3, D3DMULTISAMPLE_NONE, 0, D3DSWAPEFFECT_DISCARD, 0, WINDOWED, 1, D3DFMT_D24S8, 0, WINDOWED ? 0 : D3DPRESENT_RATE_DEFAULT, 0}; static D3DPRESENT_PARAMETERS present_parameters = {width,
if (D3D_OK != d3d->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hwnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &present_parameters, &device)) height, D3DFMT_X8R8G8B8, 3, D3DMULTISAMPLE_NONE, 0,
throw std::string("could not create device. you computer SUCKS!"); D3DSWAPEFFECT_DISCARD, 0, WINDOWED, 1, D3DFMT_D24S8,
0, WINDOWED ? 0 : D3DPRESENT_RATE_DEFAULT, 0
};
if (FAILED(d3d->CreateDevice(D3DADAPTER_DEFAULT,
D3DDEVTYPE_HAL, hwnd, D3DCREATE_HARDWARE_VERTEXPROCESSING,
&present_parameters, &device)))
throw std::string("Failed to create device");
// init BASS // init BASS
int soundDevice = 1; int soundDevice = 1;
if (!BASS_Init(soundDevice, 44100, 0, hwnd, 0)) throw std::string("failed to init bass"); if (!BASS_Init(soundDevice, 44100, 0, hwnd, 0))
throw std::string("Failed to init bass");
// load tune // load tune
HSTREAM stream = BASS_StreamCreateFile(false, "tune.ogg", 0, 0, BASS_MP3_SETPOS | ((0 == soundDevice) ? BASS_STREAM_DECODE : 0)); HSTREAM stream = BASS_StreamCreateFile(false, "tune.ogg", 0, 0,
if (!stream) throw std::string("failed to open tune"); BASS_MP3_SETPOS | (!soundDevice ? BASS_STREAM_DECODE : 0));
if (!stream)
throw std::string("Failed to open tune");
// let's just assume 150 BPM (this holds true for the included tune) // let's just assume 150 BPM (this holds true for the included tune)
float bpm = 150.0f; float bpm = 150.0f;
// setup timer and construct sync-device // setup timer and construct sync-device
BassTimer timer(stream, bpm, 8); BassTimer timer(stream, bpm, 8);
std::auto_ptr<sync::Device> syncDevice = std::auto_ptr<sync::Device>(sync::createDevice("sync", timer)); std::auto_ptr<sync::Device> syncDevice = std::auto_ptr<sync::Device>(
if (NULL == syncDevice.get()) throw std::string("something went wrong - failed to connect to host?"); sync::createDevice("sync", timer));
if (!syncDevice.get())
throw std::string("Failed to connect to host?");
// get tracks // get tracks
sync::Track &clearRTrack = syncDevice->getTrack("clear.r"); sync::Track &clearRTrack = syncDevice->getTrack("clear.r");
sync::Track &clearGTrack = syncDevice->getTrack("clear.g"); sync::Track &clearGTrack = syncDevice->getTrack("clear.g");
@ -80,38 +92,29 @@ int main(int argc, char *argv[])
sync::Track &camDistTrack = syncDevice->getTrack("cam.dist"); sync::Track &camDistTrack = syncDevice->getTrack("cam.dist");
LPD3DXMESH cubeMesh = NULL; LPD3DXMESH cubeMesh = NULL;
if (FAILED(D3DXCreateBox( if (FAILED(D3DXCreateBox(device, 1.0f, 1.0f, 1.0f, &cubeMesh, NULL)))
device,
1.0f, 1.0f, 1.0f,
&cubeMesh, NULL
)))
return -1; return -1;
// let's roll! // let's roll!
BASS_Start(); BASS_Start();
timer.play(); timer.play();
bool done = false; bool done = false;
while (!done) while (!done) {
{
float row = float(timer.getRow()); float row = float(timer.getRow());
if (!syncDevice->update(row)) done = true; if (!syncDevice->update(row))
done = true;
// setup clear color // setup clear color
D3DXCOLOR clearColor( D3DXCOLOR clearColor(clearRTrack.getValue(row), clearGTrack.getValue(row), clearBTrack.getValue(row), 0.0);
clearRTrack.getValue(row),
clearGTrack.getValue(row),
clearBTrack.getValue(row),
0.0
);
// paint the window // paint the window
device->BeginScene(); device->BeginScene();
device->Clear(0, 0, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER | D3DCLEAR_STENCIL, clearColor, 1.0f, 0); device->Clear(0, 0, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER | D3DCLEAR_STENCIL, clearColor, 1.0f, 0);
/* D3DXMATRIX world; /* D3DXMATRIX world;
device->SetTransform(D3DTS_WORLD, &world); */ device->SetTransform(D3DTS_WORLD, &world); */
float rot = camRotTrack.getValue(row); float rot = camRotTrack.getValue(row);
float dist = camDistTrack.getValue(row); float dist = camDistTrack.getValue(row);
D3DXVECTOR3 eye(sin(rot) * dist, 0, cos(rot) * dist); D3DXVECTOR3 eye(sin(rot) * dist, 0, cos(rot) * dist);
@ -120,46 +123,41 @@ int main(int argc, char *argv[])
D3DXMATRIX view; D3DXMATRIX view;
D3DXMatrixLookAtLH(&view, &(eye + at), &at, &up); D3DXMatrixLookAtLH(&view, &(eye + at), &at, &up);
device->SetTransform(D3DTS_WORLD, &view); device->SetTransform(D3DTS_WORLD, &view);
D3DXMATRIX proj; D3DXMATRIX proj;
D3DXMatrixPerspectiveFovLH(&proj, D3DXToRadian(60), 4.0f / 3, 0.1f, 1000.f); D3DXMatrixPerspectiveFovLH(&proj, D3DXToRadian(60), 4.0f / 3, 0.1f, 1000.f);
device->SetTransform(D3DTS_PROJECTION, &proj); device->SetTransform(D3DTS_PROJECTION, &proj);
cubeMesh->DrawSubset(0); cubeMesh->DrawSubset(0);
device->EndScene(); device->EndScene();
device->Present(0, 0, 0, 0); device->Present(0, 0, 0, 0);
BASS_Update(0); // decrease the chance of missing vsync BASS_Update(0); // decrease the chance of missing vsync
MSG msg; MSG msg;
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
{
TranslateMessage(&msg); TranslateMessage(&msg);
DispatchMessage(&msg); DispatchMessage(&msg);
if (WM_QUIT == msg.message) done = true; if (WM_QUIT == msg.message) done = true;
if ((WM_KEYDOWN == msg.message) && (VK_ESCAPE == LOWORD(msg.wParam))) done = true; if ((WM_KEYDOWN == msg.message) && (VK_ESCAPE == LOWORD(msg.wParam))) done = true;
} }
} }
BASS_StreamFree(stream); BASS_StreamFree(stream);
BASS_Free(); BASS_Free();
device->Release(); device->Release();
d3d->Release(); d3d->Release();
DestroyWindow(hwnd); DestroyWindow(hwnd);
} } catch (const std::exception &e) {
catch (const std::exception &e)
{
#ifdef _CONSOLE #ifdef _CONSOLE
fprintf(stderr, "*** error: %s\n", e.what()); fprintf(stderr, "*** error: %s\n", e.what());
#else #else
MessageBox(NULL, e.what(), NULL, MB_OK | MB_ICONERROR | MB_SETFOREGROUND); MessageBox(NULL, e.what(), NULL, MB_OK | MB_ICONERROR | MB_SETFOREGROUND);
#endif #endif
ret = -1; ret = -1;
} } catch (const std::string &str) {
catch (const std::string &str)
{
#ifdef _CONSOLE #ifdef _CONSOLE
fprintf(stderr, "*** error: %s\n", str.c_str()); fprintf(stderr, "*** error: %s\n", str.c_str());
#else #else
@ -167,6 +165,6 @@ int main(int argc, char *argv[])
#endif #endif
ret = -1; ret = -1;
} }
return ret; return ret;
} }