mirror of
https://github.com/isledecomp/isle-portable.git
synced 2024-11-27 01:45:37 -05:00
353 lines
9.1 KiB
C++
353 lines
9.1 KiB
C++
#include "impl.h"
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using namespace TglImpl;
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struct ViewportAppData {
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ViewportAppData(IDirect3DRM2* pRenderer);
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~ViewportAppData();
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IDirect3DRMFrame2* m_pLightFrame;
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IDirect3DRMFrame2* m_pCamera;
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IDirect3DRMFrame2* m_pLastRenderedFrame;
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float m_backgroundColorRed;
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float m_backgroundColorGreen;
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float m_backgroundColorBlue;
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};
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DECOMP_SIZE_ASSERT(ViewportAppData, 0x18);
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// FUNCTION: LEGO1 0x100a10b0
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ViewportAppData::ViewportAppData(IDirect3DRM2* pRenderer)
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{
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pRenderer->CreateFrame(NULL, &m_pLightFrame);
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m_pCamera = NULL;
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m_pLastRenderedFrame = NULL;
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m_backgroundColorRed = 0.0f;
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m_backgroundColorGreen = 0.0f;
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m_backgroundColorBlue = 0.0f;
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}
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// FUNCTION: LEGO1 0x100a10e0
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ViewportAppData::~ViewportAppData()
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{
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IDirect3DRMFrameArray* pChildFrames;
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IDirect3DRMFrame* pChildFrame = NULL;
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m_pLightFrame->GetChildren(&pChildFrames);
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for (int i = 0; i < (int) pChildFrames->GetSize(); i++) {
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pChildFrames->GetElement(i, &pChildFrame);
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m_pLightFrame->DeleteChild(pChildFrame);
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pChildFrame->Release(); // GetElement() does AddRef()
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}
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pChildFrames->Release();
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m_pLightFrame->Release();
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}
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// Forward declare to satisfy order check
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void ViewportDestroyCallback(IDirect3DRMObject* pObject, void* pArg);
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// FUNCTION: LEGO1 0x100a1160
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Result ViewImpl::ViewportCreateAppData(IDirect3DRM2* pDevice, IDirect3DRMViewport* pView, IDirect3DRMFrame2* pCamera)
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{
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ViewportAppData* data = new ViewportAppData(pDevice);
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data->m_pCamera = pCamera;
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Result result = ResultVal(pView->SetAppData(reinterpret_cast<unsigned long>(data)));
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if (Succeeded(result)) {
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result = ResultVal(pView->AddDestroyCallback(ViewportDestroyCallback, data));
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}
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if (!Succeeded(result)) {
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delete data;
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pView->SetAppData(0);
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}
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return result;
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}
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inline Result ViewRestoreFrameAfterRender(
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IDirect3DRMFrame* pFrame,
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IDirect3DRMFrame* pCamera,
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IDirect3DRMFrame* pLightFrame
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)
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{
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Result result = Success;
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if (pFrame) {
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// remove camera and light frame from frame that was rendered
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// this doesn't destroy the camera as it is still the camera of the viewport...
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result = ResultVal(pFrame->DeleteChild(pCamera));
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result = ResultVal(pFrame->DeleteChild(pLightFrame));
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// decrease frame's ref count (it was increased in ViewPrepareFrameForRender())
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pFrame->Release();
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}
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return result;
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}
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// FUNCTION: LEGO1 0x100a1240
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void ViewportDestroyCallback(IDirect3DRMObject* pObject, void* pArg)
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{
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ViewportAppData* pViewportAppData = reinterpret_cast<ViewportAppData*>(pArg);
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ViewRestoreFrameAfterRender(
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pViewportAppData->m_pLastRenderedFrame,
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pViewportAppData->m_pCamera,
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pViewportAppData->m_pLightFrame
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);
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delete pViewportAppData;
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}
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// FUNCTION: LEGO1 0x100a1290
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Result ViewportPickImpl(
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IDirect3DRMViewport* pViewport,
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int x,
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int y,
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const Group** ppGroupsToPickFrom,
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int groupsToPickFromCount,
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const Group**& rppPickedGroups,
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int& rPickedGroupCount
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)
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{
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// Left unimplemented in shipped game.
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return Error;
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}
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inline ViewportAppData* ViewportGetData(IDirect3DRMViewport* pViewport)
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{
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return reinterpret_cast<ViewportAppData*>(pViewport->GetAppData());
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}
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inline IDirect3DRMFrame* ViewportGetLightFrame(IDirect3DRMViewport* pViewport)
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{
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return ViewportGetData(pViewport)->m_pLightFrame;
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}
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// FUNCTION: LEGO1 0x100a2d80
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void* ViewImpl::ImplementationDataPtr()
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{
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return reinterpret_cast<void*>(&m_data);
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}
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// FUNCTION: LEGO1 0x100a2d90
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Result ViewImpl::Add(const Light* pLight)
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{
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const LightImpl* light = static_cast<const LightImpl*>(pLight);
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IDirect3DRMFrame* frame = light->ImplementationData();
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return ResultVal(ViewportGetLightFrame(m_data)->AddChild(frame));
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}
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// FUNCTION: LEGO1 0x100a2dc0
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Result ViewImpl::Remove(const Light* pLight)
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{
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const LightImpl* light = static_cast<const LightImpl*>(pLight);
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IDirect3DRMFrame* frame = light->ImplementationData();
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return ResultVal(ViewportGetLightFrame(m_data)->DeleteChild(frame));
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}
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// FUNCTION: LEGO1 0x100a2df0
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Result ViewImpl::SetCamera(const Camera* pCamera)
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{
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const CameraImpl* camera = static_cast<const CameraImpl*>(pCamera);
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IDirect3DRMFrame2* frame = camera->ImplementationData();
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ViewportAppData* pViewportAppData;
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Result result;
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pViewportAppData = reinterpret_cast<ViewportAppData*>(m_data->GetAppData());
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result = ViewRestoreFrameAfterRender(
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pViewportAppData->m_pLastRenderedFrame,
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pViewportAppData->m_pCamera,
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pViewportAppData->m_pLightFrame
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);
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pViewportAppData->m_pCamera = frame;
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pViewportAppData->m_pLastRenderedFrame = 0;
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return ResultVal(m_data->SetCamera(frame));
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}
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// FUNCTION: LEGO1 0x100a2e70
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Result ViewImpl::SetProjection(ProjectionType type)
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{
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return ResultVal(m_data->SetProjection(Translate(type)));
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}
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// FUNCTION: LEGO1 0x100a2eb0
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Result ViewImpl::SetFrustrum(float frontClippingDistance, float backClippingDistance, float degrees)
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{
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float field = frontClippingDistance * tan(DegreesToRadians(degrees / 2));
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Result result;
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result = ResultVal(m_data->SetFront(frontClippingDistance));
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if (Succeeded(result)) {
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result = ResultVal(m_data->SetBack(backClippingDistance));
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}
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if (Succeeded(result)) {
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result = ResultVal(m_data->SetField(field));
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}
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return result;
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}
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// FUNCTION: LEGO1 0x100a2f30
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Result ViewImpl::SetBackgroundColor(float r, float g, float b)
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{
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Result ret = Success;
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// Note, this method in the shipped game is very diverged from
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// the Tgl leak code.
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ViewportAppData* data = ViewportGetData(m_data);
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data->m_backgroundColorRed = r;
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data->m_backgroundColorGreen = g;
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data->m_backgroundColorBlue = b;
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if (data->m_pLastRenderedFrame) {
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ret = ResultVal(data->m_pLastRenderedFrame->SetSceneBackgroundRGB(r, g, b));
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}
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return ret;
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}
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// FUNCTION: LEGO1 0x100a2f80
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Result ViewImpl::GetBackgroundColor(float* r, float* g, float* b)
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{
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ViewportAppData* data = ViewportGetData(m_data);
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*r = data->m_backgroundColorRed;
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*g = data->m_backgroundColorGreen;
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*b = data->m_backgroundColorBlue;
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return Success;
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}
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// FUNCTION: LEGO1 0x100a2fb0
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Result ViewImpl::Clear()
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{
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return ResultVal(m_data->Clear());
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}
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inline Result ViewPrepareFrameForRender(
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IDirect3DRMFrame* pFrame,
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IDirect3DRMFrame* pCamera,
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IDirect3DRMFrame* pLightFrame,
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float backgroundRed,
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float backgroundGreen,
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float backgroundBlue
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)
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{
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Result result = Success;
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if (pFrame) {
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// set background color
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result = ResultVal(pFrame->SetSceneBackgroundRGB(backgroundRed, backgroundGreen, backgroundBlue));
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// add camera to frame to be rendered
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result = ResultVal(pFrame->AddChild(pCamera));
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// add light frame to frame to be rendered
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result = ResultVal(pFrame->AddChild(pLightFrame));
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// increase ref count of frame to ensure it does not get deleted underneath us
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pFrame->AddRef();
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}
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return result;
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}
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inline Result ViewRender(IDirect3DRMViewport* pViewport, const IDirect3DRMFrame2* pGroup)
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{
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ViewportAppData* pViewportAppData;
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Result result;
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pViewportAppData = reinterpret_cast<ViewportAppData*>(pViewport->GetAppData());
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if (pViewportAppData->m_pLastRenderedFrame != pGroup) {
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result = ViewRestoreFrameAfterRender(
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pViewportAppData->m_pLastRenderedFrame,
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pViewportAppData->m_pCamera,
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pViewportAppData->m_pLightFrame
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);
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pViewportAppData->m_pLastRenderedFrame = const_cast<IDirect3DRMFrame2*>(pGroup);
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result = ViewPrepareFrameForRender(
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pViewportAppData->m_pLastRenderedFrame,
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pViewportAppData->m_pCamera,
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pViewportAppData->m_pLightFrame,
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pViewportAppData->m_backgroundColorRed,
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pViewportAppData->m_backgroundColorGreen,
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pViewportAppData->m_backgroundColorBlue
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);
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}
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result = ResultVal(pViewport->Render(const_cast<IDirect3DRMFrame2*>(pGroup)));
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return result;
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}
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// FUNCTION: LEGO1 0x100a2fd0
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Result ViewImpl::Render(const Group* pGroup)
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{
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return ViewRender(m_data, static_cast<const GroupImpl*>(pGroup)->ImplementationData());
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}
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// FUNCTION: LEGO1 0x100a3080
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Result ViewImpl::ForceUpdate(unsigned long x, unsigned long y, unsigned long width, unsigned long height)
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{
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return ResultVal(m_data->ForceUpdate(x, y, x + width - 1, y + height - 1));
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}
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// FUNCTION: LEGO1 0x100a30c0
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Result ViewImpl::Pick(
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unsigned long x,
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unsigned long y,
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const Group** ppGroupsToPickFrom,
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int groupsToPickFromCount,
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const Group**& rppPickedGroups,
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int& rPickedGroupCount
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)
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{
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return ViewportPickImpl(
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m_data,
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x,
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y,
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ppGroupsToPickFrom,
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groupsToPickFromCount,
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rppPickedGroups,
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rPickedGroupCount
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);
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}
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// FUNCTION: LEGO1 0x100a30f0
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Result ViewImpl::TransformWorldToScreen(const float world[3], float screen[4])
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{
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D3DRMVECTOR4D d3dRMScreen;
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D3DVECTOR d3dRMWorld;
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d3dRMWorld.x = world[0];
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d3dRMWorld.y = world[1];
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d3dRMWorld.z = world[2];
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Result result;
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result = ResultVal(m_data->Transform(&d3dRMScreen, &d3dRMWorld));
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if (Succeeded(result)) {
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screen[0] = d3dRMScreen.x;
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screen[1] = d3dRMScreen.y;
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screen[2] = d3dRMScreen.z;
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screen[3] = d3dRMScreen.w;
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}
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return result;
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}
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// FUNCTION: LEGO1 0x100a3160
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Result ViewImpl::TransformScreenToWorld(const float screen[4], float world[3])
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{
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// 100% match minus instruction reordering.
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D3DVECTOR d3dRMWorld;
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D3DRMVECTOR4D d3dScreen;
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d3dScreen.x = screen[0];
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d3dScreen.y = screen[1];
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d3dScreen.z = screen[2];
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d3dScreen.w = screen[3];
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Result result;
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result = ResultVal(m_data->InverseTransform(&d3dRMWorld, &d3dScreen));
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if (Succeeded(result)) {
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world[0] = d3dRMWorld.x;
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world[1] = d3dRMWorld.y;
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world[2] = d3dRMWorld.z;
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}
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return result;
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}
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