126 lines
3.8 KiB
C++
126 lines
3.8 KiB
C++
#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <d3d9.h>
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#include <d3dx9.h>
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#include <memory>
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#include <exception>
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#include <cstdio>
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#include "sync/device.h"
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#include "bass.h"
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class BassTimer : public sync::Timer
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{
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public:
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BassTimer(HSTREAM stream, float bpm, int rowsPerBeat) : stream(stream)
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{
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rowRate = (bpm / 60) * rowsPerBeat;
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}
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// BASS hooks
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void pause() { BASS_ChannelPause(stream); }
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void play() { BASS_ChannelPlay(stream, false); }
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float getTime() { return BASS_ChannelBytes2Seconds(stream, BASS_ChannelGetPosition(stream)); }
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float getRow() { return getTime() * rowRate; }
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void setRow(float row) { BASS_ChannelSetPosition(stream, BASS_ChannelSeconds2Bytes(stream, row / rowRate)); }
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bool isPlaying() { return (BASS_ChannelIsActive(stream) == BASS_ACTIVE_PLAYING); }
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private:
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HSTREAM stream;
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float rowRate;
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};
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#define WINDOWED 1
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const unsigned int width = 800;
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const unsigned int height = 600;
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int main(int argc, char *argv[])
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{
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int ret = 0;
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try
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{
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// initialize directx
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IDirect3D9 *d3d = Direct3DCreate9(D3D_SDK_VERSION);
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if (NULL == d3d) throw std::string("update directx, fool.");
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// create a window
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HWND hwnd = CreateWindowEx(0, "static", "BIG", WS_POPUP | WS_VISIBLE, 0, 0, width, height, 0, 0, GetModuleHandle(0), 0);
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// create the device
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IDirect3DDevice9 *device = NULL;
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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};
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if (D3D_OK != d3d->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, hwnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &present_parameters, &device))
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throw std::string("could not create device. you computer SUCKS!");
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// init BASS
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int soundDevice = -1;
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if (!BASS_Init(soundDevice, 44100, BASS_DEVICE_LATENCY, 0, 0)) throw std::string("failed to init bass");
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// load tune
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HSTREAM stream = BASS_StreamCreateFile(false, "tune.mp3", 0, 0, BASS_MP3_SETPOS | ((0 == soundDevice) ? BASS_STREAM_DECODE : 0));
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if (!stream) throw std::string("failed to open tune");
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// setup timer and construct sync-device
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BassTimer timer(stream, 120.0f, 4);
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std::auto_ptr<sync::Device> syncDevice = std::auto_ptr<sync::Device>(sync::createDevice("sync", timer));
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if (NULL == syncDevice.get()) throw std::string("something went wrong - failed to connect to host?");
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// get tracks
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sync::Track &clearRTrack = syncDevice->getTrack("clear.r");
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sync::Track &clearGTrack = syncDevice->getTrack("clear.g");
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sync::Track &clearBTrack = syncDevice->getTrack("clear.b");
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// let's roll!
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BASS_Start();
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timer.play();
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bool done = false;
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while (!done)
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{
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float row = float(timer.getRow());
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if (!syncDevice->update(row)) done = true;
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// setup clear color
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D3DXCOLOR clearColor(
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clearRTrack.getValue(row),
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clearGTrack.getValue(row),
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clearBTrack.getValue(row),
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0.0
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);
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// paint the window
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device->BeginScene();
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device->Clear(0, 0, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER | D3DCLEAR_STENCIL, clearColor, 1.0f, 0);
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device->EndScene();
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device->Present(0, 0, 0, 0);
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BASS_Update(); // decrease the chance of missing vsync
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MSG msg;
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while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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if (WM_QUIT == msg.message) done = true;
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if ((WM_KEYDOWN == msg.message) && (VK_ESCAPE == LOWORD(msg.wParam))) done = true;
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}
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}
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BASS_StreamFree(stream);
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BASS_Free();
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device->Release();
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d3d->Release();
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DestroyWindow(hwnd);
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}
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catch (const std::exception &e)
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{
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#ifdef _CONSOLE
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fprintf(stderr, "*** error: %s\n", e.what());
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#else
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MessageBox(NULL, e.what(), NULL, MB_OK | MB_ICONERROR | MB_SETFOREGROUND);
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#endif
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ret = -1;
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}
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return ret;
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}
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