// X3DEffectEditPlane.cpp: implementation of the CX3DEffectEditPlane class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "effectEditor.h"
#include "X3DEffectEditPlane.h"

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

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

CX3DEffectEditPlane::CX3DEffectEditPlane()
{

}

CX3DEffectEditPlane::~CX3DEffectEditPlane()
{

}

void CX3DEffectEditPlane::RenderNoTexture(unsigned long dwFrame)
{
	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->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
}

unsigned long CX3DEffectEditPlane::GetPick(vector3 &vecStart, vector3 &vecEnd, float &fLength)
{
	vector3 vecVertices[3];

	LVertex *pVertices;
	if(FAILED( m_lpVertices->Lock( 0, 4 * sizeof(LVertex), (unsigned char **)&pVertices, 0 ) ) ) return FALSE;

	vecVertices[0] = pVertices[0].v;
	vecVertices[1] = pVertices[1].v;
	vecVertices[2] = pVertices[2].v;

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

	vecVertices[0] = pVertices[1].v;
	vecVertices[1] = pVertices[2].v;
	vecVertices[2] = pVertices[3].v;

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

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

BOOL CX3DEffectEditPlane::ArrangementTexture(const char *strPathName)
{
	if(!strncmp(m_strTextureFile, strPathName, strlen(strPathName)))
	{
		strcpy(m_strTextureFile, &m_strTextureFile[strlen(strPathName)]);
		return TRUE;
	} else
		return FALSE;
}