// Platform skeleton for EterLib/GrpImageInstance.h (40250 EterLib/GrpImageInstance.cpp), generated by platform_stub.py.
// Every MT_PLATFORM_STUB() body is unimplemented: replace it with the platform implementation.
#include "EterLib/StdAfx.h"
#include "EterLib/GrpImageInstance.h"

#include "../PlatformStub.h"
#include "UIRenderCommands.h"
#include "EterBase/CRC32.h"

auto CGraphicImageInstance::Type() -> DWORD
{
	static DWORD type = GetCRC32("CGraphicImageInstance", sizeof("CGraphicImageInstance") - 1);
	return type;
}

auto CGraphicImageInstance::IsType(DWORD type) -> BOOL
{
	return OnIsType(type);
}

CGraphicImageInstance::CGraphicImageInstance()
{
	m_DiffuseColor = D3DXCOLOR(1, 1, 1, 1);
	m_v2Position = D3DXVECTOR2(0, 0);
}

CGraphicImageInstance::~CGraphicImageInstance()
{
	Destroy();
}

// 40250 Destroy(): drop the image reference, then Initialize() (white, at the origin).
auto CGraphicImageInstance::Destroy() -> void
{
	m_roImage.Clear();
	m_DiffuseColor = D3DXCOLOR(1, 1, 1, 1);
	m_v2Position = D3DXVECTOR2(0, 0);
}

auto CGraphicImageInstance::Render() -> void
{
	if (!IsEmpty()) OnRender();
}

auto CGraphicImageInstance::SetDiffuseColor(float r, float g, float b, float a) -> void
{
	m_DiffuseColor = D3DXCOLOR(r, g, b, a);
}

auto CGraphicImageInstance::SetPosition(float x, float y) -> void
{
	m_v2Position = D3DXVECTOR2(x, y);
}

auto CGraphicImageInstance::SetImagePointer(CGraphicImage *image) -> void
{
	m_roImage.SetPointer(image);
	OnSetImagePointer();
}

auto CGraphicImageInstance::ReloadImagePointer(CGraphicImage *) -> void
{
	MT_PLATFORM_STUB();
}

auto CGraphicImageInstance::IsEmpty() const -> bool
{
	return m_roImage.IsNull() || m_roImage->IsEmpty();
}

auto CGraphicImageInstance::GetWidth() -> int
{
	return IsEmpty() ? 0 : m_roImage->GetWidth();
}

auto CGraphicImageInstance::GetHeight() -> int
{
	return IsEmpty() ? 0 : m_roImage->GetHeight();
}

auto CGraphicImageInstance::GetTexturePointer() -> CGraphicTexture *
{
	CGraphicImage* pkImage = m_roImage.GetPointer();
	return pkImage ? pkImage->GetTexturePointer() : NULL;
}

auto CGraphicImageInstance::GetTextureReference() const -> const CGraphicTexture &
{
	return m_roImage->GetTextureReference();
}

auto CGraphicImageInstance::GetGraphicImagePointer() -> CGraphicImage *
{
	return m_roImage.GetPointer();
}

auto CGraphicImageInstance::operator==(const CGraphicImageInstance &) const -> bool
{
	MT_PLATFORM_STUB();
	return mt_platform_stub_return<bool>();
}

auto CGraphicImageInstance::Initialize() -> void
{
	MT_PLATFORM_STUB();
}

// 40250 GrpImageInstance.cpp:44-96: the image's rect inside its texture (a .sub shares its parent's)
// becomes the texture coordinates of one quad.
auto CGraphicImageInstance::OnRender() -> void
{
	CGraphicImage * pImage = m_roImage.GetPointer();
	CGraphicTexture * pTexture = pImage->GetTexturePointer();
	if (pTexture->GetWidth() <= 0 || pTexture->GetHeight() <= 0)
		return;

	float fimgWidth = pImage->GetWidth();
	float fimgHeight = pImage->GetHeight();

	const RECT& c_rRect = pImage->GetRectReference();
	float texReverseWidth = 1.0f / float(pTexture->GetWidth());
	float texReverseHeight = 1.0f / float(pTexture->GetHeight());
	float su = c_rRect.left * texReverseWidth;
	float sv = c_rRect.top * texReverseHeight;
	float eu = (c_rRect.left + (c_rRect.right-c_rRect.left)) * texReverseWidth;
	float ev = (c_rRect.top + (c_rRect.bottom-c_rRect.top)) * texReverseHeight;

	const float x[4] = {m_v2Position.x-0.5f, m_v2Position.x + fimgWidth-0.5f,
		m_v2Position.x-0.5f, m_v2Position.x + fimgWidth-0.5f};
	const float y[4] = {m_v2Position.y-0.5f, m_v2Position.y-0.5f,
		m_v2Position.y + fimgHeight-0.5f, m_v2Position.y + fimgHeight-0.5f};
	UIRenderAddImage(pTexture, x, y, su, sv, eu, ev, UIRenderColor(m_DiffuseColor));
}

auto CGraphicImageInstance::OnSetImagePointer() -> void
{
	MT_PLATFORM_STUB();
}

auto CGraphicImageInstance::OnIsType(DWORD type) -> BOOL
{
	return type == Type();
}

auto CGraphicImageInstance::CreateSystem(UINT) -> void
{
	MT_PLATFORM_STUB();
}

auto CGraphicImageInstance::DestroySystem() -> void
{
	MT_PLATFORM_STUB();
}

auto CGraphicImageInstance::New() -> CGraphicImageInstance *
{
	return new CGraphicImageInstance();
}

auto CGraphicImageInstance::Delete(CGraphicImageInstance *instance) -> void
{
	if (!instance) return;
	instance->Destroy();
	delete instance;
}

decltype(CGraphicImageInstance::ms_kPool) CGraphicImageInstance::ms_kPool{};