India/cocos2d-x/cocos/3d/CCSprite3DMaterial.cpp

/****************************************************************************
 Copyright (c) 2014-2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

 http://www.cocos2d-x.org

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
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 all copies or substantial portions of the Software.

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 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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#include "3d/CCSprite3DMaterial.h"
#include "3d/CCMesh.h"
#include "platform/CCFileUtils.h"
#include "renderer/CCTexture2D.h"
#include "renderer/CCGLProgram.h"
#include "renderer/CCGLProgramCache.h"
#include "renderer/CCGLProgramState.h"
#include "renderer/CCGLProgramStateCache.h"
#include "base/CCDirector.h"
#include "base/CCEventType.h"

NS_CC_BEGIN

Sprite3DMaterialCache* Sprite3DMaterialCache::_cacheInstance = nullptr;

std::unordered_map<std::string, Sprite3DMaterial*> Sprite3DMaterial::_materials;
Sprite3DMaterial* Sprite3DMaterial::_unLitMaterial = nullptr;
Sprite3DMaterial* Sprite3DMaterial::_unLitNoTexMaterial = nullptr;
Sprite3DMaterial* Sprite3DMaterial::_vertexLitMaterial = nullptr;
Sprite3DMaterial* Sprite3DMaterial::_diffuseMaterial = nullptr;
Sprite3DMaterial* Sprite3DMaterial::_diffuseNoTexMaterial = nullptr;
Sprite3DMaterial* Sprite3DMaterial::_bumpedDiffuseMaterial = nullptr;

Sprite3DMaterial* Sprite3DMaterial::_unLitMaterialSkin = nullptr;
Sprite3DMaterial* Sprite3DMaterial::_vertexLitMaterialSkin = nullptr;
Sprite3DMaterial* Sprite3DMaterial::_diffuseMaterialSkin = nullptr;
Sprite3DMaterial* Sprite3DMaterial::_bumpedDiffuseMaterialSkin = nullptr;

void Sprite3DMaterial::createBuiltInMaterial()
{
    releaseBuiltInMaterial();
    
    auto glProgram = GLProgramCache::getInstance()->getGLProgram(GLProgram::SHADER_3D_SKINPOSITION_TEXTURE);
    auto glprogramstate = GLProgramState::create(glProgram);
    _unLitMaterialSkin = new (std::nothrow) Sprite3DMaterial();
    if (_unLitMaterialSkin && _unLitMaterialSkin->initWithGLProgramState(glprogramstate))
    {
        _unLitMaterialSkin->_type = Sprite3DMaterial::MaterialType::UNLIT;
    }
    
    glProgram = GLProgramCache::getInstance()->getGLProgram(GLProgram::SHADER_3D_SKINPOSITION_NORMAL_TEXTURE);
    glprogramstate = GLProgramState::create(glProgram);
    _diffuseMaterialSkin = new (std::nothrow) Sprite3DMaterial();
    if (_diffuseMaterialSkin && _diffuseMaterialSkin->initWithGLProgramState(glprogramstate))
    {
        _diffuseMaterialSkin->_type = Sprite3DMaterial::MaterialType::DIFFUSE;
    }
    
    glProgram = GLProgramCache::getInstance()->getGLProgram(GLProgram::SHADER_3D_POSITION_NORMAL_TEXTURE);
    glprogramstate = GLProgramState::create(glProgram);
    _diffuseMaterial = new (std::nothrow) Sprite3DMaterial();
    if (_diffuseMaterial && _diffuseMaterial->initWithGLProgramState(glprogramstate))
    {
        _diffuseMaterial->_type = Sprite3DMaterial::MaterialType::DIFFUSE;
    }
    
    glProgram = GLProgramCache::getInstance()->getGLProgram(GLProgram::SHADER_3D_POSITION_TEXTURE);
    glprogramstate = GLProgramState::create(glProgram);
    _unLitMaterial = new (std::nothrow) Sprite3DMaterial();
    if (_unLitMaterial && _unLitMaterial->initWithGLProgramState(glprogramstate))
    {
        _unLitMaterial->_type = Sprite3DMaterial::MaterialType::UNLIT;
    }
    
    glProgram = GLProgramCache::getInstance()->getGLProgram(GLProgram::SHADER_3D_POSITION);
    glprogramstate = GLProgramState::create(glProgram);
    _unLitNoTexMaterial = new (std::nothrow) Sprite3DMaterial();
    if (_unLitNoTexMaterial && _unLitNoTexMaterial->initWithGLProgramState(glprogramstate))
    {
        _unLitNoTexMaterial->_type = Sprite3DMaterial::MaterialType::UNLIT_NOTEX;
    }
    
    glProgram = GLProgramCache::getInstance()->getGLProgram(GLProgram::SHADER_3D_POSITION_NORMAL);
    glprogramstate = GLProgramState::create(glProgram);
    _diffuseNoTexMaterial = new (std::nothrow) Sprite3DMaterial();
    if (_diffuseNoTexMaterial && _diffuseNoTexMaterial->initWithGLProgramState(glprogramstate))
    {
        _diffuseNoTexMaterial->_type = Sprite3DMaterial::MaterialType::DIFFUSE_NOTEX;
    }

    glProgram = GLProgramCache::getInstance()->getGLProgram(GLProgram::SHADER_3D_POSITION_BUMPEDNORMAL_TEXTURE);
    glprogramstate = GLProgramState::create(glProgram);
    _bumpedDiffuseMaterial = new (std::nothrow) Sprite3DMaterial();
    if (_bumpedDiffuseMaterial && _bumpedDiffuseMaterial->initWithGLProgramState(glprogramstate))
    {
        _bumpedDiffuseMaterial->_type = Sprite3DMaterial::MaterialType::BUMPED_DIFFUSE;
    }

    glProgram = GLProgramCache::getInstance()->getGLProgram(GLProgram::SHADER_3D_SKINPOSITION_BUMPEDNORMAL_TEXTURE);
    glprogramstate = GLProgramState::create(glProgram);
    _bumpedDiffuseMaterialSkin = new (std::nothrow) Sprite3DMaterial();
    if (_bumpedDiffuseMaterialSkin && _bumpedDiffuseMaterialSkin->initWithGLProgramState(glprogramstate))
    {
        _bumpedDiffuseMaterialSkin->_type = Sprite3DMaterial::MaterialType::BUMPED_DIFFUSE;
    }
}

void Sprite3DMaterial::releaseBuiltInMaterial()
{
    CC_SAFE_RELEASE_NULL(_unLitMaterial);
    CC_SAFE_RELEASE_NULL(_unLitMaterialSkin);
    
    CC_SAFE_RELEASE_NULL(_unLitNoTexMaterial);
    CC_SAFE_RELEASE_NULL(_vertexLitMaterial);
    CC_SAFE_RELEASE_NULL(_diffuseMaterial);
    CC_SAFE_RELEASE_NULL(_diffuseNoTexMaterial);
    CC_SAFE_RELEASE_NULL(_bumpedDiffuseMaterial);
    
    CC_SAFE_RELEASE_NULL(_vertexLitMaterialSkin);
    CC_SAFE_RELEASE_NULL(_diffuseMaterialSkin);
    CC_SAFE_RELEASE_NULL(_bumpedDiffuseMaterialSkin);
}

void Sprite3DMaterial::releaseCachedMaterial()
{
    for (auto& it : _materials) {
        if (it.second)
            it.second->release();
    }
    _materials.clear();
}

Material* Sprite3DMaterial::clone() const
{
    auto material = new (std::nothrow) Sprite3DMaterial();
    if (material)
    {
        RenderState::cloneInto(material);
        
        for (const auto& technique: _techniques)
        {
            auto t = technique->clone();
            t->setParent(material);
            for (ssize_t i = 0; i < t->getPassCount(); i++) {
                t->getPassByIndex(i)->setParent(t);
            }
            material->_techniques.pushBack(t);
        }
        
        // current technique
        auto name = _currentTechnique->getName();
        material->_currentTechnique = material->getTechniqueByName(name);
        material->_type = _type;
        material->autorelease();
    }
    return material;
}

Sprite3DMaterial* Sprite3DMaterial::createBuiltInMaterial(MaterialType type, bool skinned)
{
    /////
    if (_diffuseMaterial == nullptr)
        createBuiltInMaterial();
    
    Sprite3DMaterial* material = nullptr;
    switch (type) {
        case Sprite3DMaterial::MaterialType::UNLIT:
            material = skinned ? _unLitMaterialSkin : _unLitMaterial;
            break;
            
        case Sprite3DMaterial::MaterialType::UNLIT_NOTEX:
            material = _unLitNoTexMaterial;
            break;
            
        case Sprite3DMaterial::MaterialType::VERTEX_LIT:
            CCASSERT(0, "not implement");
            break;
            
        case Sprite3DMaterial::MaterialType::DIFFUSE:
            material = skinned ? _diffuseMaterialSkin : _diffuseMaterial;
            break;
            
        case Sprite3DMaterial::MaterialType::DIFFUSE_NOTEX:
            material = _diffuseNoTexMaterial;
            break;
            
        case Sprite3DMaterial::MaterialType::BUMPED_DIFFUSE:
            material = skinned ? _bumpedDiffuseMaterialSkin : _bumpedDiffuseMaterial;
            break;
            
        default:
            break;
    }
    if (material)
        return (Sprite3DMaterial*)material->clone();
    
    return nullptr;
}

Sprite3DMaterial* Sprite3DMaterial::createWithFilename(const std::string& path)
{
    auto validfilename = FileUtils::getInstance()->fullPathForFilename(path);
    if (validfilename.size() > 0) {
        auto it = _materials.find(validfilename);
        if (it != _materials.end())
            return (Sprite3DMaterial*)it->second->clone();
        
        auto material = new (std::nothrow) Sprite3DMaterial();
        if (material->initWithFile(path))
        {
            material->_type = Sprite3DMaterial::MaterialType::CUSTOM;
            _materials[validfilename] = material;
            
            return (Sprite3DMaterial*)material->clone();
        }
        CC_SAFE_DELETE(material);
    }
    return nullptr;
}

Sprite3DMaterial* Sprite3DMaterial::createWithGLStateProgram(GLProgramState* programState)
{
    CCASSERT(programState, "Invalid GL Program State");
    
    auto mat = new (std::nothrow) Sprite3DMaterial();
    if (mat && mat->initWithGLProgramState(programState))
    {
        mat->_type = Sprite3DMaterial::MaterialType::CUSTOM;
        mat->autorelease();
        return mat;
        
    }
    CC_SAFE_DELETE(mat);
    return nullptr;
}

void Sprite3DMaterial::setTexture(Texture2D* tex, NTextureData::Usage usage)
{
    const auto& passes = getTechnique()->getPasses();
    for (auto& pass : passes) {
        pass->getGLProgramState()->setUniformTexture(s_uniformSamplerName[(int)usage], tex);
    }
}

//////////////////////////////////////////////////////////////////////////////////////////////////////

Sprite3DMaterialCache::Sprite3DMaterialCache()
{
    
}

Sprite3DMaterialCache::~Sprite3DMaterialCache()
{
    removeAllSprite3DMaterial();
}

Sprite3DMaterialCache* Sprite3DMaterialCache::getInstance()
{
    if (! _cacheInstance)
    {
        _cacheInstance = new (std::nothrow) Sprite3DMaterialCache();
    }
    
    return _cacheInstance;
}

void Sprite3DMaterialCache::destroyInstance()
{
    if (_cacheInstance)
    {
        CC_SAFE_DELETE(_cacheInstance);
    }
}

bool Sprite3DMaterialCache::addSprite3DMaterial(const std::string& key, Texture2D* texture)
{
    auto itr = _materials.find(key);
    if (itr == _materials.end())
    {
        CC_SAFE_RETAIN(texture);
        _materials[key] = texture;
        return true;
    }
    return false;
}

Texture2D* Sprite3DMaterialCache::getSprite3DMaterial(const std::string& key)
{
    auto itr = _materials.find(key);
    if (itr != _materials.end())
    {
        return itr->second;
    }
    return nullptr;
}

void Sprite3DMaterialCache::removeAllSprite3DMaterial()
{
    for (auto& itr : _materials) {
        CC_SAFE_RELEASE_NULL(itr.second);
    }
    _materials.clear();
}
void Sprite3DMaterialCache::removeUnusedSprite3DMaterial()
{
    for(auto it=_materials.cbegin(), itCend = _materials.cend(); it != itCend; /* nothing */) {
        auto value = it->second;
        if( value->getReferenceCount() == 1 ) {
            CCLOG("cocos2d: GLProgramStateCache: removing unused GLProgramState");
            
            value->release();
            it = _materials.erase(it);
        } else {
            ++it;
        }
    }
}

NS_CC_END