mirror of
https://github.com/minetest/irrlicht.git
synced 2024-11-18 16:20:31 +01:00
8310a3fbad
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6000 dfc29bdd-3216-0410-991c-e03cc46cb475
141 lines
3.7 KiB
C++
141 lines
3.7 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
|
|
// This file is part of the "Irrlicht Engine".
|
|
// For conditions of distribution and use, see copyright notice in irrlicht.h
|
|
|
|
#include "IrrCompileConfig.h"
|
|
#ifdef _IRR_COMPILE_WITH_WATER_SURFACE_SCENENODE_
|
|
#include "CWaterSurfaceSceneNode.h"
|
|
#include "ISceneManager.h"
|
|
#include "IMeshManipulator.h"
|
|
#include "IMeshCache.h"
|
|
#include "S3DVertex.h"
|
|
#include "SMesh.h"
|
|
#include "os.h"
|
|
|
|
namespace irr
|
|
{
|
|
namespace scene
|
|
{
|
|
|
|
//! constructor
|
|
CWaterSurfaceSceneNode::CWaterSurfaceSceneNode(f32 waveHeight, f32 waveSpeed, f32 waveLength,
|
|
IMesh* mesh, ISceneNode* parent, ISceneManager* mgr, s32 id,
|
|
const core::vector3df& position, const core::vector3df& rotation,
|
|
const core::vector3df& scale)
|
|
: CMeshSceneNode(mesh, parent, mgr, id, position, rotation, scale),
|
|
WaveLength(waveLength), WaveSpeed(waveSpeed), WaveHeight(waveHeight),
|
|
OriginalMesh(0)
|
|
{
|
|
#ifdef _DEBUG
|
|
setDebugName("CWaterSurfaceSceneNode");
|
|
#endif
|
|
|
|
setMesh(mesh);
|
|
}
|
|
|
|
|
|
//! destructor
|
|
CWaterSurfaceSceneNode::~CWaterSurfaceSceneNode()
|
|
{
|
|
// Mesh is dropped in CMeshSceneNode destructor
|
|
if (OriginalMesh)
|
|
OriginalMesh->drop();
|
|
}
|
|
|
|
|
|
//! frame
|
|
void CWaterSurfaceSceneNode::OnRegisterSceneNode()
|
|
{
|
|
CMeshSceneNode::OnRegisterSceneNode();
|
|
}
|
|
|
|
|
|
void CWaterSurfaceSceneNode::OnAnimate(u32 timeMs)
|
|
{
|
|
if (Mesh && IsVisible)
|
|
{
|
|
const u32 meshBufferCount = Mesh->getMeshBufferCount();
|
|
const f32 time = timeMs / WaveSpeed;
|
|
|
|
for (u32 b=0; b<meshBufferCount; ++b)
|
|
{
|
|
const u32 vtxCnt = Mesh->getMeshBuffer(b)->getVertexCount();
|
|
|
|
for (u32 i=0; i<vtxCnt; ++i)
|
|
Mesh->getMeshBuffer(b)->getPosition(i).Y = addWave(
|
|
OriginalMesh->getMeshBuffer(b)->getPosition(i),
|
|
time);
|
|
}// end for all mesh buffers
|
|
Mesh->setDirty(scene::EBT_VERTEX);
|
|
|
|
SceneManager->getMeshManipulator()->recalculateNormals(Mesh);
|
|
}
|
|
CMeshSceneNode::OnAnimate(timeMs);
|
|
}
|
|
|
|
|
|
void CWaterSurfaceSceneNode::setMesh(IMesh* mesh)
|
|
{
|
|
CMeshSceneNode::setMesh(mesh);
|
|
if (!mesh)
|
|
return;
|
|
if (OriginalMesh)
|
|
OriginalMesh->drop();
|
|
IMesh* clone = SceneManager->getMeshManipulator()->createMeshCopy(mesh);
|
|
OriginalMesh = mesh;
|
|
Mesh = clone;
|
|
Mesh->setHardwareMappingHint(scene::EHM_STATIC, scene::EBT_INDEX);
|
|
// Mesh->setHardwareMappingHint(scene::EHM_STREAM, scene::EBT_VERTEX);
|
|
}
|
|
|
|
|
|
//! Writes attributes of the scene node.
|
|
void CWaterSurfaceSceneNode::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const
|
|
{
|
|
out->addFloat("WaveLength", WaveLength);
|
|
out->addFloat("WaveSpeed", WaveSpeed);
|
|
out->addFloat("WaveHeight", WaveHeight);
|
|
|
|
CMeshSceneNode::serializeAttributes(out, options);
|
|
// serialize original mesh
|
|
out->setAttribute("Mesh", SceneManager->getMeshCache()->getMeshName(OriginalMesh).getPath().c_str());
|
|
}
|
|
|
|
|
|
//! Reads attributes of the scene node.
|
|
void CWaterSurfaceSceneNode::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options)
|
|
{
|
|
WaveLength = in->getAttributeAsFloat("WaveLength");
|
|
WaveSpeed = in->getAttributeAsFloat("WaveSpeed");
|
|
WaveHeight = in->getAttributeAsFloat("WaveHeight");
|
|
|
|
if (Mesh)
|
|
{
|
|
Mesh->drop();
|
|
Mesh = OriginalMesh;
|
|
OriginalMesh = 0;
|
|
}
|
|
// deserialize original mesh
|
|
CMeshSceneNode::deserializeAttributes(in, options);
|
|
|
|
if (Mesh)
|
|
{
|
|
IMesh* clone = SceneManager->getMeshManipulator()->createMeshCopy(Mesh);
|
|
OriginalMesh = Mesh;
|
|
Mesh = clone;
|
|
}
|
|
}
|
|
|
|
|
|
f32 CWaterSurfaceSceneNode::addWave(const core::vector3df &source, f32 time) const
|
|
{
|
|
return source.Y +
|
|
(sinf(((source.X/WaveLength) + time)) * WaveHeight) +
|
|
(cosf(((source.Z/WaveLength) + time)) * WaveHeight);
|
|
}
|
|
|
|
} // end namespace scene
|
|
} // end namespace irr
|
|
|
|
#endif // _IRR_COMPILE_WITH_WATER_SURFACE_SCENENODE_
|