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| //+--------------------------------------------------------------------------+
//| |
//| Woofer |
//| BassBox OpenGL plugin |
//| |
//+--------------------------------------------------------------------------+
#include <windows.h>
#include "..\TCLib\math.h"
#include "..\TCLib\Strings.cpp"
#include <gl/GL.h>
#include <gl/GLU.h>
#include "gl2.h"
typedef ULONGLONG QWORD;
#include "BBplugin.h"
#define ExportC extern "C" _declspec (dllexport)
DWORD g_color[34];
float gsR[32], gsG[32], gsB[32];
void bbp_ColorInit() {
g_color[0] = 0;
g_color[1] = bbpARGB(255, 32,32,32);
g_color[2] = bbpARGB(255, 0,44,233);
g_color[3] = bbpARGB(255, 0,67,210);
g_color[4] = bbpARGB(255, 0,89,187);
g_color[5] = bbpARGB(255, 0,112,164);
g_color[6] = bbpARGB(255, 0,135,142);
g_color[7] = bbpARGB(255, 0,159,117);
g_color[8] = bbpARGB(255, 0,183,88);
g_color[9] = bbpARGB(255, 0,207,58);
g_color[10] = bbpARGB(255, 0,231,29);
g_color[11] = bbpARGB(255, 26,234,26);
g_color[12] = bbpARGB(255, 52,237,23);
g_color[13] = bbpARGB(255, 79,240,20);
g_color[14] = bbpARGB(255, 105,243,17);
g_color[15] = bbpARGB(255, 126,245,14);
g_color[16] = bbpARGB(255, 147,248,11);
g_color[17] = bbpARGB(255, 168,250,8);
g_color[18] = bbpARGB(255, 189,253,5);
g_color[19] = bbpARGB(255, 210,255,2);
g_color[20] = bbpARGB(255, 233,255,0);
g_color[21] = bbpARGB(255, 255,255,0);
g_color[22] = bbpARGB(255, 255,251,0);
g_color[23] = bbpARGB(255, 255,235,0);
g_color[24] = bbpARGB(255, 255,215,0);
g_color[25] = bbpARGB(255, 255,196,0);
g_color[26] = bbpARGB(255, 255,176,0);
g_color[27] = bbpARGB(255, 255,156,0);
g_color[28] = bbpARGB(255, 253,137,0);
g_color[29] = bbpARGB(255, 255,117,0);
g_color[30] = bbpARGB(255, 255,97,0);
g_color[31] = bbpARGB(255, 255,78,0);
g_color[32] = bbpARGB(255, 255,58,0);
g_color[33] = bbpARGB(255, 255,0,0);
}
void MakeColorLUT() {
COLORBYTES bytestruct;
for (long K = 0; K < 34; K++) {
MoveMemory(&bytestruct, &g_color[K], sizeof(COLORBYTES));
gsR[K] = (float)(bytestruct.R / 255.0f);
gsG[K] = (float)(bytestruct.G / 255.0f);
gsB[K] = (float)(bytestruct.B / 255.0f);
}
}
ExportC long BBProc (OUT BBPLUGIN &BBP) {
long K, KK, nRet = BBP_SUCCESS;
const float SmoothValue = 0.8f, Cx = -600.0f, Cy = -900.0f, Cz = -150.0f;
float fft[256], SoundBuffer[256], pulse, rAspect;
static BBPTEXTURE mt;
switch (BBP.msg) {
case BBP_RENDER:
pulse = (float) max(BBP.lpeak / 700, BBP.rpeak / 700) / 14.0f;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
glTranslatef(0.0f, -0.0f, Cz);
glRotatef(Cx, 1.0f, 0.0f, 0.0f);
glRotatef(Cy, 0.0f, 1.0f, 0.0f);
// This is where the magic happens:
// BBP.fftdata returns a pointer to an area of memory containing an array of 256 singles.
MoveMemory(&fft[0], BBP.fftdata, 256 * sizeof(float));
// Try and smooth out the buffer by averaging the last results:
for (K = 0; K < 256; K++) {
// We use SQR to bring out the midtone of the music, otherwise the spectrum is very flat.
SoundBuffer[K] = (float) (sqrt(sqrt(fft[K]) * 2));
}
for (long Direction = -1; Direction < 2; Direction++) {
if (Direction) {
for (KK = 0; KK < 3; KK++) {
K = KK * 16;
if (KK == 0) { K = 2; }
glPushMatrix();
// The iterator K goes from 0 (deepest bass) to 255 (highest treble pitch)
// Ax is the distance from the center. Ay & By are width and height of the flares.
float Ax = (KK * 16) / 128.0f * 125.0f * Direction * pulse;
float Ay = 2 + SoundBuffer[K] * (50.0f + K / 255.0f * 70.0f); // As K increases, the relative size of the signal
float By = 2 + SoundBuffer[K] * (50.0f + K / 255.0f * 70.0f); // drops, so the (K / 255 * 20) compensates by boosting the signal at higher frequencies.
glColor4f(gsR[K] * SoundBuffer[K], gsG[K] * SoundBuffer[K], gsB[K] * SoundBuffer[K] + 0.1f, 0.7f);
glTranslatef(Ax, 0.0f, 0.0f);
glRotatef(Cx, 1.0f, 0.0f, 0.0f);
glRotatef(Cy, 0.0f, 1.0f, 0.0f);
glBegin(GL_QUADS);
glTexCoord2f(0.0f,0.0f); glVertex3f(-By , Ay, 0.0f);
glTexCoord2f(1.0f,0.0f); glVertex3f( By , Ay, 0.0f);
glTexCoord2f(1.0f,1.0f); glVertex3f( By ,-Ay, 0.0f);
glTexCoord2f(0.0f,1.0f); glVertex3f(-By ,-Ay, 0.0f);
glEnd();
glPopMatrix();
}
}
}
// Very important we must reassign BBP.RC to the new BBP.DC
// Note: don't use permanent DC, this produce better and smoother display
wglMakeCurrent(BBP.dc, BBP.rc);
break;
case BBP_CREATE:
// Retrieve plugin details
strcpy(BBP.title, "Woofer");
strcpy(BBP.author, "Patrice Terrier");
BBP.version = MAKEWORD(2, 0); // Version 2.0"
BBP.renderto = BBP_OPENGL; // or BBP_GDIPLUS, or BBP_DIRECTX
break;
case BBP_INIT:
bbp_ColorInit();
glShadeModel(GL_SMOOTH); // Enables Smooth Color Shading
glClearDepth(1.0f); // Depth Buffer Setup
glDisable(GL_DEPTH_TEST); // Disable Depth Buffer
glBlendFunc(GL_ONE, GL_ONE);
glDepthFunc(GL_LESS); // The Type Of Depth Test To Do
glDisable(GL_LIGHTING);
glEnable(GL_BLEND);
glAlphaFunc(GL_GREATER, 0.01f);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
glEnable(GL_TEXTURE_2D);
Path_Combine(mt.FullName, TexturePath(), L"boomer.png"); mt.ID = 1; mt.Square = 3;
MakeMultipleTexture(&mt, 1);
MakeColorLUT();
break;
case BBP_SIZE:
// The size of the view port has changed.
RECT rc; GetClientRect(BBP.parent, &rc);
glViewport(0, 0, Width(rc), Height(rc));
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
rAspect = 0.0f;
if (Height(rc)) { rAspect = (float) Width(rc) / (float) Height(rc); }
gluPerspective(50.0f, rAspect, 0.01f, 5000.0f);
glMatrixMode(GL_MODELVIEW);
break;
case BBP_DESTROY:
// Free up your resources there
DestroyTexture (&mt, 1);
break;
default:
nRet = BBP_ERROR;
break;
}
return nRet;
}
BOOL WINAPI DllMain (HINSTANCE hinstDLL, IN DWORD fdwReason, IN LPVOID lpvReserved) {
switch (fdwReason) {
case DLL_PROCESS_ATTACH:
break;
case DLL_PROCESS_DETACH:
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
break;
}
return TRUE;
} |
