97 lines
3.7 KiB
C++
97 lines
3.7 KiB
C++
/*==============================================================================
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Event Parameter Example
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Copyright (c), Firelight Technologies Pty, Ltd 2012-2025.
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This example demonstrates how to control event playback using game parameters.
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For information on using FMOD example code in your own programs, visit
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https://www.fmod.com/legal
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==============================================================================*/
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#include "fmod_studio.hpp"
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#include "fmod.hpp"
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#include "common.h"
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int FMOD_Main()
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{
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void *extraDriverData = NULL;
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Common_Init(&extraDriverData);
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FMOD::Studio::System* system = NULL;
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ERRCHECK( FMOD::Studio::System::create(&system) );
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ERRCHECK( system->initialize(1024, FMOD_STUDIO_INIT_NORMAL, FMOD_INIT_NORMAL, extraDriverData) );
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FMOD::Studio::Bank* masterBank = NULL;
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ERRCHECK( system->loadBankFile(Common_MediaPath("Master.bank"), FMOD_STUDIO_LOAD_BANK_NORMAL, &masterBank) );
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FMOD::Studio::Bank* stringsBank = NULL;
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ERRCHECK( system->loadBankFile(Common_MediaPath("Master.strings.bank"), FMOD_STUDIO_LOAD_BANK_NORMAL, &stringsBank) );
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FMOD::Studio::Bank* sfxBank = NULL;
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ERRCHECK( system->loadBankFile(Common_MediaPath("SFX.bank"), FMOD_STUDIO_LOAD_BANK_NORMAL, &sfxBank) );
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FMOD::Studio::EventDescription* eventDescription = NULL;
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ERRCHECK( system->getEvent("event:/Character/Player Footsteps", &eventDescription) );
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// Find the parameter once and then set by handle
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// Or we can just find by name every time but by handle is more efficient if we are setting lots of parameters
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FMOD_STUDIO_PARAMETER_DESCRIPTION paramDesc;
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ERRCHECK( eventDescription->getParameterDescriptionByName("Surface", ¶mDesc) );
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FMOD_STUDIO_PARAMETER_ID surfaceID = paramDesc.id;
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FMOD::Studio::EventInstance* eventInstance = NULL;
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ERRCHECK( eventDescription->createInstance(&eventInstance) );
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// Make the event audible to start with
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float surfaceParameterValue = 1.0f;
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ERRCHECK( eventInstance->setParameterByID(surfaceID, surfaceParameterValue) );
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do
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{
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Common_Update();
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if (Common_BtnPress(BTN_MORE))
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{
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ERRCHECK( eventInstance->start() );
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}
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if (Common_BtnPress(BTN_ACTION1))
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{
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surfaceParameterValue = Common_Max(paramDesc.minimum, surfaceParameterValue - 1.0f);
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ERRCHECK( eventInstance->setParameterByID(surfaceID, surfaceParameterValue) );
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}
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if (Common_BtnPress(BTN_ACTION2))
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{
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surfaceParameterValue = Common_Min(surfaceParameterValue + 1.0f, paramDesc.maximum);
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ERRCHECK( eventInstance->setParameterByID(surfaceID, surfaceParameterValue) );
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}
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ERRCHECK( system->update() );
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float userValue = 0.0f;
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float finalValue = 0.0f;
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ERRCHECK( eventInstance->getParameterByID(surfaceID, &userValue, &finalValue) );
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Common_Draw("==================================================");
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Common_Draw("Event Parameter Example.");
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Common_Draw("Copyright (c) Firelight Technologies 2012-2025.");
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Common_Draw("==================================================");
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Common_Draw("");
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Common_Draw("Surface Parameter = (user: %1.1f, final: %1.1f)", userValue, finalValue);
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Common_Draw("");
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Common_Draw("Surface Parameter:");
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Common_Draw("Press %s to play event", Common_BtnStr(BTN_MORE));
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Common_Draw("Press %s to decrease value", Common_BtnStr(BTN_ACTION1));
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Common_Draw("Press %s to increase value", Common_BtnStr(BTN_ACTION2));
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Common_Draw("");
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Common_Draw("Press %s to quit", Common_BtnStr(BTN_QUIT));
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Common_Sleep(50);
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} while (!Common_BtnPress(BTN_QUIT));
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ERRCHECK( system->release() );
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Common_Close();
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return 0;
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}
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