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scummvm-cursorfix/engines/hpl1/engine/resources/MaterialManager.cpp
2026-02-02 04:50:13 +01:00

416 lines
12 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*
* Copyright (C) 2006-2010 - Frictional Games
*
* This file is part of HPL1 Engine.
*/
#include "hpl1/engine/resources/MaterialManager.h"
#include "hpl1/engine/graphics/Graphics.h"
#include "hpl1/engine/graphics/Material.h"
#include "hpl1/engine/graphics/MaterialHandler.h"
#include "hpl1/engine/impl/tinyXML/tinyxml.h"
#include "hpl1/engine/resources/Resources.h"
#include "hpl1/engine/resources/TextureManager.h"
#include "hpl1/engine/system/String.h"
#include "hpl1/engine/system/System.h"
#include "hpl1/engine/system/low_level_system.h"
namespace hpl {
//////////////////////////////////////////////////////////////////////////
// CONSTRUCTORS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
cMaterialManager::cMaterialManager(cGraphics *apGraphics, cResources *apResources)
: iResourceManager(apResources->GetFileSearcher(), apResources->GetLowLevel(),
apResources->GetLowLevelSystem()) {
mpGraphics = apGraphics;
mpResources = apResources;
mlTextureSizeLevel = 0;
mTextureFilter = eTextureFilter_Bilinear;
mfTextureAnisotropy = 1.0f;
mlIdCounter = 0;
}
cMaterialManager::~cMaterialManager() {
DestroyAll();
Log(" Done with materials\n");
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// PUBLIC METHODS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
iMaterial *cMaterialManager::CreateMaterial(const tString &asName) {
tString sPath;
iMaterial *pMaterial;
tString asNewName;
BeginLoad(asName);
asNewName = cString::SetFileExt(asName, "mat");
pMaterial = static_cast<iMaterial *>(this->FindLoadedResource(asNewName, sPath));
if (pMaterial == NULL && sPath != "") {
pMaterial = LoadFromFile(asNewName, sPath);
if (pMaterial == NULL) {
Error("Couldn't load material '%s'\n", asNewName.c_str());
EndLoad();
return NULL;
}
AddResource(pMaterial);
}
if (pMaterial)
pMaterial->IncUserCount();
else
Error("Couldn't create material '%s'\n", asNewName.c_str());
EndLoad();
return pMaterial;
}
//-----------------------------------------------------------------------
iResourceBase *cMaterialManager::Create(const tString &asName) {
return CreateMaterial(asName);
}
//-----------------------------------------------------------------------
void cMaterialManager::Update(float afTimeStep) {
tResourceHandleMapIt it = m_mapHandleResources.begin();
for (; it != m_mapHandleResources.end(); ++it) {
iResourceBase *pBase = it->second;
iMaterial *pMat = static_cast<iMaterial *>(pBase);
pMat->Update(afTimeStep);
}
}
//-----------------------------------------------------------------------
void cMaterialManager::Unload(iResourceBase *apResource) {
}
//-----------------------------------------------------------------------
void cMaterialManager::Destroy(iResourceBase *apResource) {
apResource->DecUserCount();
if (apResource->HasUsers() == false) {
RemoveResource(apResource);
hplDelete(apResource);
}
}
//-----------------------------------------------------------------------
void cMaterialManager::SetTextureFilter(eTextureFilter aFilter) {
if (aFilter == mTextureFilter)
return;
mTextureFilter = aFilter;
tResourceHandleMapIt it = m_mapHandleResources.begin();
for (; it != m_mapHandleResources.end(); ++it) {
iMaterial *pMat = static_cast<iMaterial *>(it->second);
for (int i = 0; i < eMaterialTexture_LastEnum; ++i) {
iTexture *pTex = pMat->GetTexture((eMaterialTexture)i);
if (pTex)
pTex->SetFilter(aFilter);
}
}
}
//-----------------------------------------------------------------------
void cMaterialManager::SetTextureAnisotropy(float afX) {
if (afX < 1.0 || mpGraphics->GetLowLevel()->GetCaps(eGraphicCaps_AnisotropicFiltering) == 0) {
return;
}
if (afX > (float)mpGraphics->GetLowLevel()->GetCaps(eGraphicCaps_MaxAnisotropicFiltering)) {
return;
}
if (mfTextureAnisotropy == afX)
return;
mfTextureAnisotropy = afX;
tResourceHandleMapIt it = m_mapHandleResources.begin();
for (; it != m_mapHandleResources.end(); ++it) {
iMaterial *pMat = static_cast<iMaterial *>(it->second);
for (int i = 0; i < eMaterialTexture_LastEnum; ++i) {
iTexture *pTex = pMat->GetTexture((eMaterialTexture)i);
if (pTex)
pTex->SetAnisotropyDegree(mfTextureAnisotropy);
}
}
}
//-----------------------------------------------------------------------
tString cMaterialManager::GetPhysicsMaterialName(const tString &asName) {
tString sPath;
iMaterial *pMaterial;
tString asNewName;
asNewName = cString::SetFileExt(asName, "mat");
pMaterial = static_cast<iMaterial *>(this->FindLoadedResource(asNewName, sPath));
if (pMaterial == NULL && sPath != "") {
TiXmlDocument *pDoc = hplNew(TiXmlDocument, (sPath.c_str()));
if (!pDoc->LoadFile()) {
hplDelete(pDoc);
return "";
}
TiXmlElement *pRoot = pDoc->RootElement();
TiXmlElement *pMain = pRoot->FirstChildElement("Main");
if (pMain == NULL) {
hplDelete(pDoc);
Error("Main child not found in '%s'\n", sPath.c_str());
return "";
}
tString sPhysicsName = cString::ToString(pMain->Attribute("PhysicsMaterial"), "Default");
hplDelete(pDoc);
return sPhysicsName;
}
if (pMaterial)
return pMaterial->GetPhysicsMaterial();
else
return "";
}
//-----------------------------------------------------------------------
//////////////////////////////////////////////////////////////////////////
// PRIVATE METHODS
//////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------
iMaterial *cMaterialManager::LoadFromFile(const tString &asName, const tString &asPath) {
TiXmlDocument *pDoc = hplNew(TiXmlDocument, (asPath.c_str()));
if (!pDoc->LoadFile()) {
hplDelete(pDoc);
return NULL;
}
TiXmlElement *pRoot = pDoc->RootElement();
///////////////////////////
// Main
TiXmlElement *pMain = pRoot->FirstChildElement("Main");
if (pMain == NULL) {
hplDelete(pDoc);
Error("Main child not found.\n");
return NULL;
}
const char *sType = pMain->Attribute("Type");
if (sType == NULL) {
hplDelete(pDoc);
Error("Type not found.\n");
return NULL;
}
bool bUseAlpha = cString::ToBool(pMain->Attribute("UseAlpha"), false);
bool bDepthTest = cString::ToBool(pMain->Attribute("DepthTest"), true);
float fValue = cString::ToFloat(pMain->Attribute("Value"), 1);
tString sPhysicsMatName = cString::ToString(pMain->Attribute("PhysicsMaterial"), "Default");
iMaterial *pMat = mpGraphics->GetMaterialHandler()->Create(asName, sType, eMaterialPicture_Texture);
if (pMat == NULL) {
hplDelete(pDoc);
Error("Invalid material type '%s'\n", sType);
return NULL;
}
pMat->SetHasAlpha(bUseAlpha);
pMat->SetDepthTest(bDepthTest);
pMat->SetValue(fValue);
pMat->SetPhysicsMaterial(sPhysicsMatName);
///////////////////////////
// Textures
TiXmlElement *pTexRoot = pRoot->FirstChildElement("TextureUnits");
if (pTexRoot == NULL) {
hplDelete(pDoc);
Error("TextureUnits child not found.\n");
return NULL;
}
tTextureTypeList lstTexTypes = pMat->GetTextureTypes();
tTextureTypeListIt it = lstTexTypes.begin();
for (; it != lstTexTypes.end(); it++) {
iTexture *pTex = nullptr;
TiXmlElement *pTexChild = pTexRoot->FirstChildElement(GetTextureString(it->mType).c_str());
if (pTexChild == NULL) {
/*Error("Texture unit missing!");
hplDelete(pMat);
return NULL;*/
continue;
}
eTextureTarget target = GetTarget(cString::ToString(pTexChild->Attribute("Type"), ""));
tString sFile = cString::ToString(pTexChild->Attribute("File"), "");
bool bMipMaps = cString::ToBool(pTexChild->Attribute("Mipmaps"), true);
bool bCompress = cString::ToBool(pTexChild->Attribute("Compress"), false);
eTextureWrap wrap = GetWrap(cString::ToString(pTexChild->Attribute("Wrap"), ""));
eTextureAnimMode animMode = GetAnimMode(cString::ToString(pTexChild->Attribute("AnimMode"), "None"));
float fFrameTime = cString::ToFloat(pTexChild->Attribute("AnimFrameTime"), 1.0f);
if (sFile == "") {
continue;
}
if (animMode != eTextureAnimMode_None) {
pTex = mpResources->GetTextureManager()->CreateAnim2D(sFile, bMipMaps, bCompress,
eTextureType_Normal,
mlTextureSizeLevel);
} else {
if (target == eTextureTarget_2D) {
pTex = mpResources->GetTextureManager()->Create2D(sFile, bMipMaps, bCompress,
eTextureType_Normal,
mlTextureSizeLevel);
} else if (target == eTextureTarget_1D) {
pTex = mpResources->GetTextureManager()->Create1D(sFile, bMipMaps, bCompress,
eTextureType_Normal,
mlTextureSizeLevel);
} else if (target == eTextureTarget_CubeMap) {
pTex = mpResources->GetTextureManager()->CreateCubeMap(sFile, bMipMaps, bCompress,
eTextureType_Normal,
mlTextureSizeLevel);
}
}
pTex->SetFrameTime(fFrameTime);
pTex->SetAnimMode(animMode);
pTex->SetWrapS(wrap);
pTex->SetWrapT(wrap);
pTex->SetFilter(mTextureFilter);
pTex->SetAnisotropyDegree(mfTextureAnisotropy);
pMat->SetTexture(pTex, it->mType);
}
///////////////////////////
// Custom
pMat->LoadData(pRoot);
hplDelete(pDoc);
pMat->Compile();
return pMat;
}
//-----------------------------------------------------------------------
eTextureTarget cMaterialManager::GetTarget(const tString &asType) {
if (cString::ToLowerCase(asType) == "cube")
return eTextureTarget_CubeMap;
else if (cString::ToLowerCase(asType) == "1D")
return eTextureTarget_1D;
else if (cString::ToLowerCase(asType) == "2D")
return eTextureTarget_2D;
else if (cString::ToLowerCase(asType) == "3D")
return eTextureTarget_3D;
return eTextureTarget_2D;
}
//-----------------------------------------------------------------------
tString cMaterialManager::GetTextureString(eMaterialTexture aType) {
switch (aType) {
case eMaterialTexture_Diffuse:
return "Diffuse";
case eMaterialTexture_Alpha:
return "Alpha";
case eMaterialTexture_NMap:
return "NMap";
case eMaterialTexture_Illumination:
return "Illumination";
case eMaterialTexture_Specular:
return "Specular";
case eMaterialTexture_CubeMap:
return "CubeMap";
case eMaterialTexture_Refraction:
return "Refraction";
default:
break;
}
return "";
}
//-----------------------------------------------------------------------
eTextureWrap cMaterialManager::GetWrap(const tString &asType) {
if (cString::ToLowerCase(asType) == "repeat")
return eTextureWrap_Repeat;
else if (cString::ToLowerCase(asType) == "clamp")
return eTextureWrap_Clamp;
else if (cString::ToLowerCase(asType) == "clamptoedge")
return eTextureWrap_ClampToEdge;
return eTextureWrap_Repeat;
}
eTextureAnimMode cMaterialManager::GetAnimMode(const tString &asType) {
if (cString::ToLowerCase(asType) == "none")
return eTextureAnimMode_None;
else if (cString::ToLowerCase(asType) == "loop")
return eTextureAnimMode_Loop;
else if (cString::ToLowerCase(asType) == "oscillate")
return eTextureAnimMode_Oscillate;
return eTextureAnimMode_None;
}
//-----------------------------------------------------------------------
} // namespace hpl