// Shader_GlareP.cpp: implementation of the CShader_GlareP class.
//
//////////////////////////////////////////////////////////////////////

#include "Shader_GlareP.h"
#include "SceneManager.h"
#include "SceneStateMgr.h"

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

CShader_GlareP::CShader_GlareP()
{
	CreatePixelShaderFromFile("c:/MP-project/Shaders/3_Glare.psh");
	m_pIllumTexture = new CTexture;
	
	m_pIllumTexture->SetPath(SHADERTEXTUREPATH);
	m_pIllumTexture->Load("Illumap2.dds");

	//m_pBumpTexture = new CTexture;
	//m_pBumpTexture->Load("mon_ninus.dds");


}

CShader_GlareP::~CShader_GlareP()
{
	if(m_pIllumTexture != NULL) {
		delete m_pIllumTexture;
		m_pIllumTexture = NULL;
	}

}

void CShader_GlareP::SetupPixelShaderConstants() {
	// Texture Stage Setting.
	// Texture Load ..
	// shader constants Setting.
	//µîµî
	LPDIRECT3DDEVICE8 lpDevice = CSceneManager::GetDevice();

	CSceneStateMgr::_SetD3DTextureStageState(0,D3DTSS_MAGFILTER,D3DTEXF_LINEAR);
	CSceneStateMgr::_SetD3DTextureStageState(0,D3DTSS_MINFILTER,D3DTEXF_LINEAR);
	CSceneStateMgr::_SetD3DTextureStageState(0,D3DTSS_MIPFILTER,D3DTEXF_LINEAR);
	

	CSceneStateMgr::_SetD3DTextureStageState(1,D3DTSS_MAGFILTER,D3DTEXF_LINEAR);
	CSceneStateMgr::_SetD3DTextureStageState(1,D3DTSS_MINFILTER,D3DTEXF_LINEAR);
	CSceneStateMgr::_SetD3DTextureStageState(1,D3DTSS_MIPFILTER,D3DTEXF_LINEAR);

	CSceneStateMgr::_SetD3DTextureStageState(3,D3DTSS_MAGFILTER,D3DTEXF_LINEAR);
	CSceneStateMgr::_SetD3DTextureStageState(3,D3DTSS_MINFILTER,D3DTEXF_LINEAR);
	CSceneStateMgr::_SetD3DTextureStageState(3,D3DTSS_MIPFILTER,D3DTEXF_LINEAR);

	// Base texture stage
	CSceneStateMgr::_SetD3DTextureStageState(0, D3DTSS_ADDRESSU, D3DTADDRESS_WRAP);
	CSceneStateMgr::_SetD3DTextureStageState(0, D3DTSS_ADDRESSV, D3DTADDRESS_WRAP);
	CSceneStateMgr::_SetD3DRenderState( D3DRS_WRAP0, 0 );

	// bump map texture stage
	CSceneStateMgr::_SetD3DTextureStageState(1, D3DTSS_ADDRESSU,	D3DTADDRESS_WRAP);
	CSceneStateMgr::_SetD3DTextureStageState(1, D3DTSS_ADDRESSV,	D3DTADDRESS_WRAP);
	CSceneStateMgr::_SetD3DRenderState( D3DRS_WRAP1, 0 );

	// Illumination texture
	CSceneStateMgr::_SetD3DTextureStageState(2, D3DTSS_ADDRESSU,	D3DTADDRESS_CLAMP);
	CSceneStateMgr::_SetD3DTextureStageState(2, D3DTSS_ADDRESSV,	D3DTADDRESS_CLAMP);	
	CSceneStateMgr::_SetD3DTextureStageState(2, D3DTSS_ADDRESSW,	D3DTADDRESS_CLAMP);
	CSceneStateMgr::_SetD3DRenderState( D3DRS_WRAP2, 0);

	CSceneStateMgr::_SetD3DTextureStageState(3, D3DTSS_ADDRESSU,	D3DTADDRESS_CLAMP);
	CSceneStateMgr::_SetD3DTextureStageState(3, D3DTSS_ADDRESSV,	D3DTADDRESS_CLAMP);	
	CSceneStateMgr::_SetD3DTextureStageState(3, D3DTSS_ADDRESSW,	D3DTADDRESS_CLAMP);	



	CSceneStateMgr::_SetD3DRenderState(D3DRS_CULLMODE,D3DCULL_CCW);
	CSceneStateMgr::_SetD3DRenderState(D3DRS_ZENABLE,TRUE); 
	CSceneStateMgr::_SetD3DRenderState(D3DRS_ZWRITEENABLE,TRUE);
	CSceneStateMgr::_SetD3DRenderState(D3DRS_ALPHABLENDENABLE,FALSE);
	CSceneStateMgr::_SetD3DRenderState( D3DRS_LIGHTING, FALSE );

}
void CShader_GlareP::Apply() {
/*	CSceneManager::GetDevice()->SetTexture(0, m_pBaseTexture->GetTexture() );
	CSceneManager::GetDevice()->SetTexture(1, m_pBumpTexture->GetTexture() );
	CScencManager::GetDevice()->SetTexture(3, m_pIllumTexture->GetTexture() );
*/
//	CSceneManager::GetDevice()->SetTexture(1, m_pBumpTexture->GetTexture());
	CSceneManager::GetDevice()->SetTexture(3, m_pIllumTexture->GetTexture());
	CSceneManager::GetDevice()->SetPixelShader(m_dwPixelShader);
	SetupPixelShaderConstants();

}
void CShader_GlareP::SetNormalTexture(char *strTexName) {

	if(m_pBumpTexture != NULL) {
		delete m_pBumpTexture;
		CTexture::SetPath(SHADERTEXTUREPATH);

		m_pBumpTexture = new CTexture;		
		m_pBumpTexture->Load(strTexName);
	}
}