Files
HL2Overcharged/public/FMOD/examples/3d/main.cpp
2025-05-21 21:20:08 +03:00

303 lines
9.7 KiB
C++

/*===============================================================================================
3d Example
Copyright (c), Firelight Technologies Pty, Ltd 2004-2016.
This example shows how to basic 3d positioning
===============================================================================================*/
#include <windows.h>
#include <stdio.h>
#include <conio.h>
#include <math.h>
#include "../../api/inc/fmod.hpp"
#include "../../api/inc/fmod_errors.h"
const int INTERFACE_UPDATETIME = 50; // 50ms update for interface
const float DISTANCEFACTOR = 1.0f; // Units per meter. I.e feet would = 3.28. centimeters would = 100.
void ERRCHECK(FMOD_RESULT result)
{
if (result != FMOD_OK)
{
printf("FMOD error! (%d) %s\n", result, FMOD_ErrorString(result));
exit(-1);
}
}
int main(int argc, char *argv[])
{
FMOD::System *system;
FMOD::Sound *sound1, *sound2, *sound3;
FMOD::Channel *channel1 = 0, *channel2 = 0, *channel3 = 0;
FMOD_RESULT result;
int key, numdrivers;
bool listenerflag = true;
FMOD_VECTOR listenerpos = { 0.0f, 0.0f, -1.0f * DISTANCEFACTOR };
unsigned int version;
FMOD_SPEAKERMODE speakermode;
FMOD_CAPS caps;
char name[256];
printf("===============================================================\n");
printf("3d Example. Copyright (c) Firelight Technologies 2004-2016.\n");
printf("===============================================================\n");
printf("This example plays 2 3D sounds in hardware. Optionally you can\n");
printf("play a 2D hardware sound as well.\n");
printf("===============================================================\n\n");
/*
Create a System object and initialize.
*/
result = FMOD::System_Create(&system);
ERRCHECK(result);
result = system->getVersion(&version);
ERRCHECK(result);
if (version < FMOD_VERSION)
{
printf("Error! You are using an old version of FMOD %08x. This program requires %08x\n", version, FMOD_VERSION);
return 0;
}
result = system->getNumDrivers(&numdrivers);
ERRCHECK(result);
if (numdrivers == 0)
{
result = system->setOutput(FMOD_OUTPUTTYPE_NOSOUND);
ERRCHECK(result);
}
else
{
result = system->getDriverCaps(0, &caps, 0, &speakermode);
ERRCHECK(result);
result = system->setSpeakerMode(speakermode); /* Set the user selected speaker mode. */
ERRCHECK(result);
if (caps & FMOD_CAPS_HARDWARE_EMULATED) /* The user has the 'Acceleration' slider set to off! This is really bad for latency!. */
{ /* You might want to warn the user about this. */
result = system->setDSPBufferSize(1024, 10);
ERRCHECK(result);
}
result = system->getDriverInfo(0, name, 256, 0);
ERRCHECK(result);
if (strstr(name, "SigmaTel")) /* Sigmatel sound devices crackle for some reason if the format is PCM 16bit. PCM floating point output seems to solve it. */
{
result = system->setSoftwareFormat(48000, FMOD_SOUND_FORMAT_PCMFLOAT, 0,0, FMOD_DSP_RESAMPLER_LINEAR);
ERRCHECK(result);
}
}
result = system->init(100, FMOD_INIT_NORMAL, 0);
if (result == FMOD_ERR_OUTPUT_CREATEBUFFER) /* Ok, the speaker mode selected isn't supported by this soundcard. Switch it back to stereo... */
{
result = system->setSpeakerMode(FMOD_SPEAKERMODE_STEREO);
ERRCHECK(result);
result = system->init(100, FMOD_INIT_NORMAL, 0);/* ... and re-init. */
ERRCHECK(result);
}
/*
Set the distance units. (meters/feet etc).
*/
result = system->set3DSettings(1.0, DISTANCEFACTOR, 1.0f);
ERRCHECK(result);
/*
Load some sounds
*/
result = system->createSound("../media/drumloop.wav", FMOD_3D, 0, &sound1);
ERRCHECK(result);
result = sound1->set3DMinMaxDistance(0.5f * DISTANCEFACTOR, 5000.0f * DISTANCEFACTOR);
ERRCHECK(result);
result = sound1->setMode(FMOD_LOOP_NORMAL);
ERRCHECK(result);
result = system->createSound("../media/jaguar.wav", FMOD_3D, 0, &sound2);
ERRCHECK(result);
result = sound2->set3DMinMaxDistance(0.5f * DISTANCEFACTOR, 5000.0f * DISTANCEFACTOR);
ERRCHECK(result);
result = sound2->setMode(FMOD_LOOP_NORMAL);
ERRCHECK(result);
result = system->createSound("../media/swish.wav", FMOD_SOFTWARE | FMOD_2D, 0, &sound3);
ERRCHECK(result);
/*
Play sounds at certain positions
*/
{
FMOD_VECTOR pos = { -10.0f * DISTANCEFACTOR, 0.0f, 0.0f };
FMOD_VECTOR vel = { 0.0f, 0.0f, 0.0f };
result = system->playSound(FMOD_CHANNEL_FREE, sound1, true, &channel1);
ERRCHECK(result);
result = channel1->set3DAttributes(&pos, &vel);
ERRCHECK(result);
result = channel1->setPaused(false);
ERRCHECK(result);
}
{
FMOD_VECTOR pos = { 15.0f * DISTANCEFACTOR, 0.0f, 0.0f };
FMOD_VECTOR vel = { 0.0f, 0.0f, 0.0f };
result = system->playSound(FMOD_CHANNEL_FREE, sound2, true, &channel2);
ERRCHECK(result);
result = channel2->set3DAttributes(&pos, &vel);
ERRCHECK(result);
result = channel2->setPaused(false);
ERRCHECK(result);
}
/*
Display help
*/
{
int numchannels;
result = system->getHardwareChannels(&numchannels);
ERRCHECK(result);
printf("Hardware channels : %d\n", numchannels);
}
printf("=========================================================================\n");
printf("Press 1 Pause/Unpause 16bit 3D sound at any time\n");
printf(" 2 Pause/Unpause 8bit 3D sound at any time\n");
printf(" 3 Play 16bit STEREO 2D sound at any time\n");
printf(" < Move listener left (in still mode)\n");
printf(" > Move listener right (in still mode)\n");
printf(" SPACE Stop/Start listener automatic movement\n");
printf(" ESC Quit\n");
printf("=========================================================================\n");
/*
Main loop
*/
do
{
if (_kbhit())
{
key = _getch();
if (key == '1')
{
bool paused;
channel1->getPaused(&paused);
channel1->setPaused(!paused);
}
if (key == '2')
{
bool paused;
channel2->getPaused(&paused);
channel2->setPaused(!paused);
}
if (key == '3')
{
result = system->playSound(FMOD_CHANNEL_FREE, sound3, false, &channel3);
ERRCHECK(result);
}
if (key == ' ')
{
listenerflag = !listenerflag;
}
if (!listenerflag)
{
if (key == '<')
{
listenerpos.x -= 1.0f * DISTANCEFACTOR;
if (listenerpos.x < -35 * DISTANCEFACTOR)
{
listenerpos.x = -35 * DISTANCEFACTOR;
}
}
if (key == '>')
{
listenerpos.x += 1.0f * DISTANCEFACTOR;
if (listenerpos.x > 36 * DISTANCEFACTOR)
{
listenerpos.x = 36 * DISTANCEFACTOR;
}
}
}
}
// ==========================================================================================
// UPDATE THE LISTENER
// ==========================================================================================
{
static float t = 0;
static FMOD_VECTOR lastpos = { 0.0f, 0.0f, 0.0f };
FMOD_VECTOR forward = { 0.0f, 0.0f, 1.0f };
FMOD_VECTOR up = { 0.0f, 1.0f, 0.0f };
FMOD_VECTOR vel;
if (listenerflag)
{
listenerpos.x = (float)sin(t * 0.05f) * 33.0f * DISTANCEFACTOR; // left right pingpong
}
// ********* NOTE ******* READ NEXT COMMENT!!!!!
// vel = how far we moved last FRAME (m/f), then time compensate it to SECONDS (m/s).
vel.x = (listenerpos.x - lastpos.x) * (1000 / INTERFACE_UPDATETIME);
vel.y = (listenerpos.y - lastpos.y) * (1000 / INTERFACE_UPDATETIME);
vel.z = (listenerpos.z - lastpos.z) * (1000 / INTERFACE_UPDATETIME);
// store pos for next time
lastpos = listenerpos;
result = system->set3DListenerAttributes(0, &listenerpos, &vel, &forward, &up);
ERRCHECK(result);
t += (30 * (1.0f / (float)INTERFACE_UPDATETIME)); // t is just a time value .. it increments in 30m/s steps in this example
// print out a small visual display
{
char s[80];
sprintf(s, "|.......................<1>......................<2>....................|");
s[(int)(listenerpos.x / DISTANCEFACTOR) + 35] = 'L';
printf("%s\r", s);
}
}
system->update();
Sleep(INTERFACE_UPDATETIME - 1);
} while (key != 27);
printf("\n");
/*
Shut down
*/
result = sound1->release();
ERRCHECK(result);
result = sound2->release();
ERRCHECK(result);
result = sound3->release();
ERRCHECK(result);
result = system->close();
ERRCHECK(result);
result = system->release();
ERRCHECK(result);
return 0;
}