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engines/hpl1/engine/graphics/Material_Fallback02_BaseLight.cpp
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310
engines/hpl1/engine/graphics/Material_Fallback02_BaseLight.cpp
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/*
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* Copyright (C) 2006-2010 - Frictional Games
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*
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* This file is part of HPL1 Engine.
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*/
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#include "hpl1/engine/graphics/Material_Fallback02_BaseLight.h"
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#include "common/algorithm.h"
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#include "hpl1/engine/graphics/GPUProgram.h"
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#include "hpl1/engine/graphics/Material_BaseLight.h"
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#include "hpl1/engine/graphics/Renderer2D.h"
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#include "hpl1/engine/math/Math.h"
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#include "hpl1/engine/resources/GpuProgramManager.h"
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#include "hpl1/engine/resources/TextureManager.h"
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#include "hpl1/engine/scene/Camera.h"
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#include "hpl1/engine/scene/Light.h"
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#include "hpl1/engine/scene/Light3DSpot.h"
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#include "hpl1/engine/system/String.h"
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#include "hpl1/engine/system/low_level_system.h"
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namespace hpl {
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iMaterial_Fallback02_BaseLight::iMaterial_Fallback02_BaseLight(
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const tString &asName, iLowLevelGraphics *apLowLevelGraphics,
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cImageManager *apImageManager, cTextureManager *apTextureManager,
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cRenderer2D *apRenderer, cGpuProgramManager *apProgramManager,
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eMaterialPicture aPicture, cRenderer3D *apRenderer3D)
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: iMaterial(asName, apLowLevelGraphics, apImageManager, apTextureManager, apRenderer, apProgramManager,
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aPicture, apRenderer3D) {
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mbIsTransperant = false;
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mbIsGlowing = false;
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mbUsesLights = true;
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Common::fill(_gpuPrograms, _gpuPrograms + eBaseLightProgram_LastEnum, nullptr);
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_gpuPrograms[eBaseLightProgram_Point1] = mpProgramManager->CreateProgram("hpl1_Fallback02_Diffuse_Light_p1", "hpl1_Fallback02_Diffuse_Light_p1");
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// the second pass is the same as the second pass of fallback01
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_gpuPrograms[eBaseLightProgram_Point2] = mpProgramManager->CreateProgram("hpl1_Fallback02_Diffuse_Light_p2", "hpl1_Fallback01_Diffuse_Light_p2");
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_gpuPrograms[eBaseLightProgram_Spot1] = mpProgramManager->CreateProgram("hpl1_Fallback02_Diffuse_Light_p1", "hpl1_Fallback02_Diffuse_Light_p1");
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_gpuPrograms[eBaseLightProgram_Spot2] = mpProgramManager->CreateProgram("hpl1_Fallback02_Diffuse_Light_Spot_p2", "hpl1_Fallback02_Diffuse_Light_Spot_p2");
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_gpuPrograms[eBaseLightProgram_Spot3] = mpProgramManager->CreateProgram("hpl1_Fallback02_Diffuse_Light_Spot_p3", "hpl1_Fallback02_Diffuse_Light_Spot_p3");
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_diffuseGpuProgram = mpProgramManager->CreateProgram("hpl1_Diffuse_Color", "hpl1_Diffuse_Color");
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_ambientGpuProgram = mpProgramManager->CreateProgram("hpl1_Diffuse_Color", "hpl1_Ambient_Color");
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mpNormalizationMap = mpTextureManager->CreateCubeMap("Normalization", false);
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mpNormalizationMap->SetWrapS(eTextureWrap_ClampToEdge);
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mpNormalizationMap->SetWrapT(eTextureWrap_ClampToEdge);
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mpSpotNegativeRejectMap = mpTextureManager->Create1D("core_spot_negative_reject", false);
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if (mpSpotNegativeRejectMap) {
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mpSpotNegativeRejectMap->SetWrapS(eTextureWrap_ClampToEdge);
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mpSpotNegativeRejectMap->SetWrapT(eTextureWrap_ClampToEdge);
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}
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}
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//-----------------------------------------------------------------------
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iMaterial_Fallback02_BaseLight::~iMaterial_Fallback02_BaseLight() {
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if (mpNormalizationMap)
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mpTextureManager->Destroy(mpNormalizationMap);
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if (mpSpotNegativeRejectMap)
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mpTextureManager->Destroy(mpSpotNegativeRejectMap);
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for (int i = 0; i < eBaseLightProgram_LastEnum; i++) {
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if (_gpuPrograms[i])
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mpProgramManager->Destroy(_gpuPrograms[i]);
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}
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if (_diffuseGpuProgram)
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mpProgramManager->Destroy(_diffuseGpuProgram);
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if (_ambientGpuProgram)
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mpProgramManager->Destroy(_ambientGpuProgram);
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}
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//-----------------------------------------------------------------------
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//////////////////////////////////////////////////////////////////////////
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// PUBLIC METHODS
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//////////////////////////////////////////////////////////////////////////
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//-----------------------------------------------------------------------
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iGpuProgram *iMaterial_Fallback02_BaseLight::getGpuProgram(const eMaterialRenderType aType, const int alPass, iLight3D *apLight) {
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eBaseLightProgram program = eBaseLightProgram_Point1;
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if (apLight) {
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if (apLight->GetLightType() == eLight3DType_Point)
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program = eBaseLightProgram_Point1;
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else if (apLight->GetLightType() == eLight3DType_Spot)
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program = eBaseLightProgram_Spot1;
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}
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if (aType == eMaterialRenderType_Light)
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return _gpuPrograms[program + alPass];
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if (aType == eMaterialRenderType_Z)
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return _ambientGpuProgram;
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if (aType == eMaterialRenderType_Diffuse)
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return _diffuseGpuProgram;
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return nullptr;
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}
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iMaterialProgramSetup *iMaterial_Fallback02_BaseLight::getGpuProgramSetup(const eMaterialRenderType aType, const int alPass, iLight3D *apLight) {
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static cAmbProgramSetup ambProgramSetup;
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if (aType == eMaterialRenderType_Z)
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return &ambProgramSetup;
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return nullptr;
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}
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//------------------------------------------------------------------------------------
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bool iMaterial_Fallback02_BaseLight::VertexProgramUsesLight(eMaterialRenderType aType, int alPass, iLight3D *apLight) {
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if (aType == eMaterialRenderType_Light) {
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return true;
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}
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return false;
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}
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//------------------------------------------------------------------------------------
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bool iMaterial_Fallback02_BaseLight::VertexProgramUsesEye(eMaterialRenderType aType, int alPass, iLight3D *apLight) {
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return false;
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}
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//------------------------------------------------------------------------------------
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eMaterialAlphaMode iMaterial_Fallback02_BaseLight::GetAlphaMode(eMaterialRenderType aType, int alPass, iLight3D *apLight) {
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if (aType == eMaterialRenderType_Z && mbHasAlpha)
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return eMaterialAlphaMode_Trans;
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return eMaterialAlphaMode_Solid;
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}
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//------------------------------------------------------------------------------------
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eMaterialBlendMode iMaterial_Fallback02_BaseLight::GetBlendMode(eMaterialRenderType aType, int alPass, iLight3D *apLight) {
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//////////////////////////////
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// Light
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if (aType == eMaterialRenderType_Light) {
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if (apLight->GetLightType() == eLight3DType_Point) {
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if (alPass == 0)
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return eMaterialBlendMode_Replace;
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else if (alPass == 1)
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return eMaterialBlendMode_DestAlphaAdd;
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} else {
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switch (alPass) {
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case 0:
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return eMaterialBlendMode_Replace;
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case 1:
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return eMaterialBlendMode_Mul;
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case 2:
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return eMaterialBlendMode_DestAlphaAdd;
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}
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}
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}
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//////////////////////////////
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// Z
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else if (aType == eMaterialRenderType_Z)
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return eMaterialBlendMode_Replace;
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//////////////////////////////
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// Other
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return eMaterialBlendMode_Add;
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}
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//------------------------------------------------------------------------------------
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eMaterialChannelMode iMaterial_Fallback02_BaseLight::GetChannelMode(eMaterialRenderType aType, int alPass, iLight3D *apLight) {
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////////////////////////////
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// Light
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if (aType == eMaterialRenderType_Light) {
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if (apLight->GetLightType() == eLight3DType_Point) {
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if (alPass == 0)
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return eMaterialChannelMode_A;
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} else {
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if (alPass == 0 || alPass == 1)
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return eMaterialChannelMode_A;
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}
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}
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//////////////////////////////
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// Other
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else if (aType == eMaterialRenderType_Z) {
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// return eMaterialChannelMode_Z;
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return eMaterialChannelMode_RGBA;
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}
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return eMaterialChannelMode_RGBA;
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}
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//-----------------------------------------------------------------------
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iTexture *iMaterial_Fallback02_BaseLight::GetTexture(int alUnit, eMaterialRenderType aType, int alPass, iLight3D *apLight) {
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////////////////////////////////////////
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// Z
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if (aType == eMaterialRenderType_Z) {
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// if(alUnit==0 && mbHasAlpha) return mvTexture[eMaterialTexture_Diffuse];
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if (alUnit == 0)
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return mvTexture[eMaterialTexture_Diffuse];
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return NULL;
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}
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////////////////////////////////////////
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// Diffuse
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else if (aType == eMaterialRenderType_Diffuse) {
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if (alUnit == 0)
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return mvTexture[eMaterialTexture_Illumination];
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return NULL;
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}
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////////////////////////////////////////
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// Light
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else if (aType == eMaterialRenderType_Light) {
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if (alPass == 0) {
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switch (alUnit) {
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case 0:
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return mpNormalizationMap;
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case 1: {
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if (apLight->GetTempTexture(0) == NULL) {
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iTexture *pTex = apLight->GetFalloffMap();
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apLight->SetTempTexture(0, mpTextureManager->CreateAttenuation(pTex->GetName()));
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}
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return apLight->GetTempTexture(0);
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}
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}
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} else if (alPass == 1) {
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if (apLight->GetLightType() == eLight3DType_Point) {
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if (alUnit == 0)
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return mvTexture[eMaterialTexture_Diffuse];
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} else {
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if (alUnit == 0)
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return mpSpotNegativeRejectMap;
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}
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} else if (alPass == 2) {
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switch (alUnit) {
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case 0:
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return mvTexture[eMaterialTexture_Diffuse];
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case 1:
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if (apLight->GetLightType() == eLight3DType_Spot) {
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cLight3DSpot *pSpotLight = static_cast<cLight3DSpot *>(apLight);
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return pSpotLight->GetTexture();
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};
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break;
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}
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}
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}
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return NULL;
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}
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//-----------------------------------------------------------------------
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eMaterialBlendMode iMaterial_Fallback02_BaseLight::GetTextureBlend(int alUnit, eMaterialRenderType aType, int alPass, iLight3D *apLight) {
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return eMaterialBlendMode_None;
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}
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//-----------------------------------------------------------------------
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int iMaterial_Fallback02_BaseLight::GetNumOfPasses(eMaterialRenderType aType, iLight3D *apLight) {
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if (aType == eMaterialRenderType_Light) {
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if (apLight->GetLightType() == eLight3DType_Point)
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return 2;
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else
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return 3;
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}
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return 1;
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}
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//-----------------------------------------------------------------------
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bool iMaterial_Fallback02_BaseLight::UsesType(eMaterialRenderType aType) {
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if (aType == eMaterialRenderType_Diffuse) {
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if (mvTexture[eMaterialTexture_Illumination])
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return true;
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else
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return false;
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}
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return true;
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}
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//-----------------------------------------------------------------------
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tTextureTypeList iMaterial_Fallback02_BaseLight::GetTextureTypes() {
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tTextureTypeList vTypes;
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vTypes.push_back(cTextureType("", eMaterialTexture_Diffuse));
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vTypes.push_back(cTextureType("_illum", eMaterialTexture_Illumination));
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return vTypes;
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}
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//-----------------------------------------------------------------------
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} // namespace hpl
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