ioq3quest/code/vr/vr_base.c

#include "vr_base.h"
#include "../VrApi/Include/VrApi.h"
#include "../VrApi/Include/VrApi_Helpers.h"
#include "../VrApi/Include/VrApi_Types.h"
#include "../qcommon/q_shared.h"
#include "../qcommon/qcommon.h"
#include "../client/client.h"

//#if __ANDROID__

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wstrict-prototypes"
#pragma clang diagnostic pop

#include <EGL/egl.h>

#include <assert.h>

static engine_t vr_engine;

cvar_t *vr_worldscale = NULL;

engine_t* VR_Init( ovrJava java )
{
	ovrInitParms initParams;
	ovrResult initResult;

	memset(&vr_engine, 0, sizeof(vr_engine));

	initParams = vrapi_DefaultInitParms(&java);
	initResult = vrapi_Initialize(&initParams);
	assert(initResult == VRAPI_INITIALIZE_SUCCESS);
	
	vr_engine.java = java;

	return &vr_engine;
}

void VR_InitCvars( void )
{
	vr_worldscale = Cvar_Get ("vr_worldscale", "32.0", CVAR_ARCHIVE);

	// Values are:  scale,right,up,forward,pitch,yaw,roll
	// VALUES PROVIDED BY SkillFur - Thank-you!
	Cvar_Get ("vr_weapon_adjustment_1", "1,-4.0,7,-10,-20,-15,0", CVAR_ARCHIVE);
	Cvar_Get ("vr_weapon_adjustment_2", "0.8,-3.0,5.5,0,0,0,0", CVAR_ARCHIVE);
	Cvar_Get ("vr_weapon_adjustment_3", "0.7,-2.5,5.5,0,0,0,0", CVAR_ARCHIVE);
	Cvar_Get ("vr_weapon_adjustment_4", "0.75,-4.0,6.5,-4,0,0,0", CVAR_ARCHIVE);
	Cvar_Get ("vr_weapon_adjustment_5", "0.8,-3.8,6,7.5,0,0,0", CVAR_ARCHIVE);
	Cvar_Get ("vr_weapon_adjustment_6", "0.8,-3.3,6,7,0,0,0", CVAR_ARCHIVE);
	Cvar_Get ("vr_weapon_adjustment_7", "0.8,-3.3,6,0,0,0,0", CVAR_ARCHIVE);
	Cvar_Get ("vr_weapon_adjustment_8", "0.8,-3.5,6,1.5,0,0,0", CVAR_ARCHIVE);
	Cvar_Get ("vr_weapon_adjustment_9", "0.8,-5.5,6,0,0,0,0", CVAR_ARCHIVE);

}

void VR_Destroy( engine_t* engine )
{
	if (engine == &vr_engine) {
		vrapi_Shutdown();
	}
}

void VR_EnterVR( engine_t* engine, ovrJava java ) {
	if (!engine->ovr) {
		ovrModeParms modeParams = vrapi_DefaultModeParms(&java);
		modeParams.Display = (size_t)eglGetCurrentDisplay();
		modeParams.WindowSurface = (size_t)eglGetCurrentSurface(EGL_DRAW);
		modeParams.ShareContext = (size_t)eglGetCurrentContext();

		engine->ovr = vrapi_EnterVrMode(&modeParams);
		engine->frameIndex = 0;

		vrapi_SetTrackingSpace(engine->ovr, VRAPI_TRACKING_SPACE_LOCAL_FLOOR);
	}
}

void VR_LeaveVR( engine_t* engine ) {
	if (engine->ovr) {
		vrapi_LeaveVrMode(engine->ovr);
		engine->ovr = NULL;
	}
}

engine_t* VR_GetEngine( void ) {
	return &vr_engine;
}

bool VR_useScreenLayer( void )
{
	int keyCatcher = Key_GetCatcher( );
	return (bool)( clc.state != CA_ACTIVE ||
			//( cl.snap.ps.stats[STAT_HEALTH] <= 0 ) ||
			( keyCatcher & (KEYCATCH_UI | KEYCATCH_CONSOLE) ));
}
//#endif