1 files changed, 221 insertions, 0 deletions
diff --git a/APEX_1.4/samples_v2/SampleParticlesHelloWorld/SampleSceneController.cpp b/APEX_1.4/samples_v2/SampleParticlesHelloWorld/SampleSceneController.cpp
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+/*
+* Copyright (c) 2008-2015, NVIDIA CORPORATION.  All rights reserved.
+*
+* NVIDIA CORPORATION and its licensors retain all intellectual property
+* and proprietary rights in and to this software, related documentation
+* and any modifications thereto.  Any use, reproduction, disclosure or
+* distribution of this software and related documentation without an express
+* license agreement from NVIDIA CORPORATION is strictly prohibited.
+*/
+
+#include "SampleSceneController.h"
+#include "ApexRenderer.h" // for matrix conversion
+#include <DirectXMath.h>
+#include "XInput.h"
+#include "DXUTMisc.h"
+#pragma warning(push)
+#pragma warning(disable : 4481) // Suppress "nonstandard extension used" warning
+#include "DXUTCamera.h"
+#pragma warning(pop)
+
+#include "PxPhysicsAPI.h"
+#include "PxMath.h"
+
+#include "ApexResourceCallback.h"
+#include "PhysXPrimitive.h"
+
+using namespace physx;
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+//												Scenes Setup
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+SampleSceneController::AssetDescription SampleSceneController::ASSETS[] =
+{
+	{ "defaultEffectPackage", "defaultEffectPackage" },
+	{ "hotlava", "hotlava" },
+	{ "pulseblast", "pulseblast" },
+	{ "bigtesteffect", "bigtesteffect" },
+	{ "ThreeEmitterScaleTest", "ThreeEmitterScaleTest" },
+	{ "smoketest", "smoketest" }
+};
+
+int SampleSceneController::getAssetsCount()
+{
+	return sizeof(ASSETS) / sizeof(ASSETS[0]);
+}
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+SampleSceneController::SampleSceneController(CFirstPersonCamera* camera, ApexController& apex)
+	: mApex(apex), mCamera(camera), mDraggingActor(NULL)
+{
+}
+
+SampleSceneController::~SampleSceneController()
+{
+}
+
+void SampleSceneController::onSampleStart()
+{
+	// setup camera
+	DirectX::XMVECTORF32 lookAtPt = { 0, 2, 0, 0 };
+	DirectX::XMVECTORF32 eyePt = { 0, 5, 10, 0 };
+	mCamera->SetViewParams(eyePt, lookAtPt);
+	mCamera->SetRotateButtons(false, false, true, false);
+	mCamera->SetEnablePositionMovement(true);
+
+	// load effect package DB
+	loadEffectPackageDatabase();
+
+	// spawn actor
+	setCurrentAsset(0);
+}
+
+void SampleSceneController::loadEffectPackageDatabase()
+{
+	NvParameterized::Interface *iface;
+
+	ApexResourceCallback* resourceCallback = mApex.getResourceCallback();
+	ModuleParticles* moduleParticles = mApex.getModuleParticles();
+
+	// Load the EffectPackage database
+	iface = resourceCallback->deserializeFromFile("EffectPackageEffectPackagesDatabase.apb");
+	PX_ASSERT(iface);
+	if (iface)
+	{
+		moduleParticles->setEffectPackageDatabase(iface);
+		iface->destroy();
+	}
+
+	// Load the Emitter database
+	iface = resourceCallback->deserializeFromFile("EffectPackageEmittersDatabase.apb");
+	PX_ASSERT(iface);
+	if (iface)
+	{
+		moduleParticles->setEffectPackageEmitterDatabase(iface);
+		iface->destroy();
+	}
+
+	// Load the FieldSampler database
+	iface = resourceCallback->deserializeFromFile("EffectPackageFieldSamplersDatabase.apb");
+	PX_ASSERT(iface);
+	if (iface)
+	{
+		moduleParticles->setEffectPackageFieldSamplerDatabase(iface);
+		iface->destroy();
+	}
+	// Load the GraphicsEffects database (IOFX)
+	iface = resourceCallback->deserializeFromFile("EffectPackageGraphicsEffectsDatabase.apb");
+	PX_ASSERT(iface);
+	if (iface)
+	{
+		moduleParticles->setEffectPackageIOFXDatabase(iface);
+		iface->destroy();
+	}
+
+	// Load the GraphicsMaterials database
+	iface = resourceCallback->deserializeFromFile("EffectPackageGraphicsMaterialsDatabase.apb");
+	PX_ASSERT(iface);
+	if (iface)
+	{
+		moduleParticles->setEffectPackageGraphicsMaterialsDatabase(iface);
+		iface->destroy();
+	}
+
+	// Load the Particle Simulations (IOS) database
+	iface = resourceCallback->deserializeFromFile("EffectPackageParticleSimulationsDatabase.apb");
+	PX_ASSERT(iface);
+	if (iface)
+	{
+		moduleParticles->setEffectPackageIOSDatabase(iface);
+		iface->destroy();
+	}
+}
+
+void SampleSceneController::setCurrentAsset(int num)
+{
+	int assetsCount = getAssetsCount();
+	num = nvidia::PxClamp(num, 0, assetsCount - 1);
+
+	mCurrentAsset = num;
+	if (mActor != NULL)
+	{
+		mApex.removeActor(mActor);
+		mActor = NULL;
+	}
+	mActor = mApex.spawnEffectPackageActor(ASSETS[num].model);
+}
+
+void SampleSceneController::Animate(double dt)
+{
+	if (mDraggingActor != NULL)
+	{
+		const float DRAGGING_FORCE_FACTOR = 10.0f;
+		const float DRAGGING_VELOCITY_FACTOR = 2.0f;
+		PxVec3 direction = (mDragAttractionPoint - mDraggingActor->getGlobalPose().transform(mDraggingActorHookLocalPoint));
+		nvidia::PxVec3 force = (direction * DRAGGING_FORCE_FACTOR - DRAGGING_VELOCITY_FACTOR * mDraggingActor->getLinearVelocity()) * mDraggingActor->getMass() * dt;
+		physx::PxRigidBodyExt::addForceAtLocalPos(*mDraggingActor, force, mDraggingActorHookLocalPoint, physx::PxForceMode::eIMPULSE, true);
+	}
+}
+
+void SampleSceneController::throwCube()
+{
+	PxVec3 eyePos = XMVECTORToPxVec4(mCamera->GetEyePt()).getXYZ();
+	PxVec3 lookAtPos = XMVECTORToPxVec4(mCamera->GetLookAtPt()).getXYZ();
+	PhysXPrimitive* box = mApex.spawnPhysXPrimitiveBox(PxTransform(eyePos));
+	PxRigidDynamic* rigidDynamic = box->getActor()->is<PxRigidDynamic>();
+
+	const float CUBE_SPEED = 30.0f;
+	PxVec3 dir = (lookAtPos - eyePos).getNormalized();
+	rigidDynamic->setLinearVelocity(dir * CUBE_SPEED);
+}
+
+void SampleSceneController::onTouchEvent(TouchEvent touchEvent, float mouseX, float mouseY)
+{
+	PxVec3 eyePos, pickDir;
+	mApex.getEyePoseAndPickDir(mouseX, mouseY, eyePos, pickDir);
+	pickDir = pickDir.getNormalized();
+
+	if (touchEvent == TouchEvent::ePRESS)
+	{
+		if (pickDir.magnitude() > 0)
+		{
+			physx::PxRaycastHit	hit;
+			physx::PxRaycastBuffer rcBuffer(&hit, 1);
+			bool isHit = mApex.getApexScene()->getPhysXScene()->raycast(eyePos, pickDir, PX_MAX_F32, rcBuffer, physx::PxHitFlag::ePOSITION, physx::PxQueryFilterData(physx::PxQueryFlag::eDYNAMIC));
+			if (isHit)
+			{
+				mDragDistance = (eyePos - hit.position).magnitude();
+				mDraggingActor = hit.actor->is<PxRigidDynamic>();
+				mDraggingActorHookLocalPoint = mDraggingActor->getGlobalPose().getInverse().transform(hit.position);
+				mDraggingActor->setLinearVelocity(PxVec3(0, 0, 0));
+				mDraggingActor->setAngularVelocity(PxVec3(0, 0, 0));
+			}
+		}
+	}
+	else if (touchEvent == TouchEvent::eDRAG)
+	{
+		physx::PxRaycastHit	hit;
+		physx::PxRaycastBuffer rcBuffer(&hit, 1);
+		bool isHit = mApex.getApexScene()->getPhysXScene()->raycast(eyePos, pickDir, PX_MAX_F32, rcBuffer, physx::PxHitFlag::ePOSITION, physx::PxQueryFilterData(physx::PxQueryFlag::eSTATIC));
+		if (isHit)
+		{
+			mDragDistance = PxMin(mDragDistance, (eyePos - hit.position).magnitude());
+		}
+
+		mDragAttractionPoint = eyePos + pickDir * mDragDistance;
+	}
+	else if (touchEvent == TouchEvent::eRELEASE)
+	{
+		mDraggingActor = NULL;
+	}
+}
+
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+