// X3DEffectEditCylinder.cpp: implementation of the CX3DEffectEditCylinder class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "effectEditor.h"
#include "X3DEffectEditCylinder.h"

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

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

CX3DEffectEditCylinder::CX3DEffectEditCylinder()
{

}

CX3DEffectEditCylinder::~CX3DEffectEditCylinder()
{

}

void CX3DEffectEditCylinder::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->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, m_dwPrimitive);
}

unsigned long CX3DEffectEditCylinder::GetPick(vector3 &vecStart, vector3 &vecEnd, float &fLength)
{
	vector3 vecVertices[3];

	unsigned long i;

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

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

		if(!(vecVertices[0] == vecVertices[1] || vecVertices[0] == vecVertices[2] || vecVertices[1] == vecVertices[2]))
			if(CIntersection::PolygonRay(vecStart, vecEnd, vecVertices, fLength))
			{
				m_lpVertices->Unlock();
				return m_dwEffectKind;
			}

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

		if(!(vecVertices[0] == vecVertices[1] || vecVertices[0] == vecVertices[2] || vecVertices[1] == vecVertices[2]))
			if(CIntersection::PolygonRay(vecStart, vecEnd, vecVertices, fLength))
			{
				m_lpVertices->Unlock();
				return m_dwEffectKind;
			}
	}

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

BOOL CX3DEffectEditCylinder::ArrangementTexture(const char *strPathName)
{
	if(!strncmp(m_strTextureFile, strPathName, strlen(strPathName)))
	{
		strcpy(m_strTextureFile, &m_strTextureFile[strlen(strPathName)]);
		return TRUE;
	} else
		return FALSE;
}