// X3DEffectEditSphere.cpp: implementation of the CX3DEffectEditSphere class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "effectEditor.h"
#include "X3DEffectEditSphere.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CX3DEffectEditSphere::CX3DEffectEditSphere()
{

}

CX3DEffectEditSphere::~CX3DEffectEditSphere()
{

}

void CX3DEffectEditSphere::RenderNoTexture(unsigned long dwFrame)
{
	if(m_lpVertices == NULL) return;

	m_lpD3DDevice->SetTexture(0, NULL);
	m_lpD3DDevice->SetRenderState(D3DRS_SRCBLEND, m_dwSrcBlending);
	m_lpD3DDevice->SetRenderState(D3DRS_DESTBLEND, m_dwDestBlending);
	m_lpD3DDevice->SetStreamSource(0, m_lpVertices, sizeof(LVertex));
	m_lpD3DDevice->SetVertexShader(LVERTEXFVF);
	m_lpD3DDevice->SetIndices(m_lpVerticeIndex, 0);
	m_lpD3DDevice->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, 0, m_dwNumVertex, 0, m_dwPrimitive);
}

unsigned long CX3DEffectEditSphere::GetPick(vector3 &vecStart, vector3 &vecEnd, float &fLength)
{
	vector3 vecVertices[3];

	unsigned long i;

	LVertex *pVertices;
	if(FAILED( m_lpVertices->Lock( 0, (m_dwSidePlane + 1) * (m_dwSegment + 1) * 2 * sizeof(LVertex), (unsigned char **)&pVertices, 0 ) ) )
		return FALSE;
	unsigned short *pVerticeIndex;
	m_lpVerticeIndex->Lock(0, m_dwSidePlane * m_dwTotalSegment * 2 * 3 * sizeof(unsigned short), (unsigned char **)&pVerticeIndex, 0);

	for(i = 0; i < m_dwSidePlane * m_dwTotalSegment; i++)
	{
		vecVertices[0] = pVertices[pVerticeIndex[i * 6 + 0]].v;
		vecVertices[1] = pVertices[pVerticeIndex[i * 6 + 1]].v;
		vecVertices[2] = pVertices[pVerticeIndex[i * 6 + 2]].v;

		if(CIntersection::PolygonRay(vecStart, vecEnd, vecVertices, fLength))
		{
			m_lpVerticeIndex->Unlock();
			m_lpVertices->Unlock();
			return m_dwEffectKind;
		}

		vecVertices[0] = pVertices[pVerticeIndex[i * 6 + 3]].v;
		vecVertices[1] = pVertices[pVerticeIndex[i * 6 + 4]].v;
		vecVertices[2] = pVertices[pVerticeIndex[i * 6 + 5]].v;

		if(CIntersection::PolygonRay(vecStart, vecEnd, vecVertices, fLength))
		{
			m_lpVerticeIndex->Unlock();
			m_lpVertices->Unlock();
			return m_dwEffectKind;
		}
	}

	fLength = 0.0f;
	m_lpVerticeIndex->Unlock();
	m_lpVertices->Unlock();
	return 0xFFFFFFFF;
}

BOOL CX3DEffectEditSphere::ArrangementTexture(const char *strPathName)
{
	if(!strncmp(m_strTextureFile, strPathName, strlen(strPathName)))
	{
		strcpy(m_strTextureFile, &m_strTextureFile[strlen(strPathName)]);
		return TRUE;
	} else
		return FALSE;
}