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#include "UnityPrefix.h"
#include "ShaderNameRegistry.h"
#include "Runtime/Serialize/TransferFunctions/SerializeTransfer.h"
#include "Runtime/Shaders/Shader.h"
#include "Runtime/BaseClasses/ManagerContext.h"
#include "Runtime/Serialize/SerializeUtility.h"
#include "External/shaderlab/Library/shaderlab.h"
ScriptMapper::ScriptMapper (MemLabelId label, ObjectCreationMode mode)
: Super(label, mode)
{
m_Shaders.SetObjectToDirty (this);
}
ScriptMapper::~ScriptMapper ()
{
}
void ScriptMapper::AddShader (Shader& ptr)
{
m_Shaders.Add (ptr.GetScriptClassName (), &ptr);
}
void ScriptMapper::AddBuiltinShader (const string& shaderClassName, PPtr<Shader> ptr)
{
m_Shaders.Add (shaderClassName, ptr);
}
static const char* kBackwardsCompatShaderNames[] = {
" VertexLit", "VertexLit",
" Diffuse", "Diffuse",
" Glossy", "Specular",
" Bumped", "Bumped Diffuse",
" BumpedSpecular", "Bumped Specular",
"ParallaxBump/Diffuse", "Parallax Diffuse",
"ParallaxBump/Specular", "Parallax Specular",
"Alpha/VertexLit", "Transparent/VertexLit",
"Alpha/Diffuse", "Transparent/Diffuse",
"Alpha/Glossy", "Transparent/Specular",
"Alpha/Bumped", "Transparent/Bumped Diffuse",
"Alpha/BumpedSpecular", "Transparent/Bumped Specular",
"ParallaxBump/AlphaDiffuse", "Transparent/Parallax Diffuse",
"ParallaxBump/AlphaSpecular", "Transparent/Parallax Specular",
//"Reflective/VertexLit", "Reflective/VertexLit",
//"Reflective/Diffuse", "Reflective/Diffuse",
"Reflective/Glossy", "Reflective/Specular",
"Reflective/Bumped", "Reflective/Bumped Diffuse",
"Reflective/BumpedSpecular", "Reflective/Bumped Specular",
"ParallaxBump/ReflectDiffuse", "Reflective/Parallax Diffuse",
"ParallaxBump/ReflectSpecular", "Reflective/Parallax Specular",
"Lightmapped/Glossy", "Legacy Shaders/Lightmapped/Specular",
"Lightmapped/Bumped", "Legacy Shaders/Lightmapped/Bumped Diffuse",
"Lightmapped/BumpedSpecular", "Legacy Shaders/Lightmapped/Bumped Specular",
"Lightmapped/VertexLit", "Legacy Shaders/Lightmapped/VertexLit",
"Lightmapped/Diffuse", "Legacy Shaders/Lightmapped/Diffuse",
"Lightmapped/Specular", "Legacy Shaders/Lightmapped/Specular",
"Lightmapped/Bumped Diffuse", "Legacy Shaders/Lightmapped/Bumped Diffuse",
"Lightmapped/Bumped Specular", "Legacy Shaders/Lightmapped/Bumped Specular",
"Diffuse Fast", "Legacy Shaders/Diffuse Fast",
//"Self-Illumin/VertexLit", "Self-Illumin/VertexLit",
//"Self-Illumin/Diffuse", "Self-Illumin/Diffuse",
"Self-Illumin/Glossy", "Self-Illumin/Specular",
"Self-Illumin/Bumped", "Self-Illumin/Bumped Diffuse",
"Self-Illumin/BumpedSpecular", "Self-Illumin/Bumped Specular",
"ParallaxBump/IlluminDiffuse", "Self-Illumin/Parallax Diffuse",
"ParallaxBump/IlluminSpecular", "Self-Illumin/Parallax Specular",
" DiffuseDetail", "Diffuse Detail",
" Diffuse (fast)", "Legacy Shaders/Diffuse Fast",
" Decal", "Decal",
"Hidden/TerrainEngine/Splatmap/Lightmap-FirstPass", "Nature/Terrain/Diffuse",
};
static const char* GetNonLegacyShaderName(const std::string& name)
{
const int kShaderNameCount = sizeof(kBackwardsCompatShaderNames) / sizeof(kBackwardsCompatShaderNames[0]) / 2;
for (int i = 0; i < kShaderNameCount; ++i)
{
if (strcmp( kBackwardsCompatShaderNames[i*2+0], name.c_str()) == 0)
return kBackwardsCompatShaderNames[i*2+1];
}
return NULL;
}
Shader *ScriptMapper::FindShader (const string &name)
{
Shader* result = m_Shaders.Find (name);
if( result != NULL )
return result;
// If shader is not found, try old names (before 2.0) of built-in shaders
const char* otherName = GetNonLegacyShaderName(name);
if (otherName)
return m_Shaders.Find(otherName);
return NULL;
}
template<class TransferFunction>
void ScriptMapper::Transfer (TransferFunction& transfer)
{
Super::Transfer (transfer);
AssertIf (transfer.GetFlags() & kPerformUnloadDependencyTracking);
transfer.Transfer (m_Shaders, "m_Shaders");
}
bool ScriptMapper::ShouldIgnoreInGarbageDependencyTracking ()
{
return true;
}
IMPLEMENT_CLASS (ScriptMapper)
IMPLEMENT_OBJECT_SERIALIZE (ScriptMapper)
GET_MANAGER (ScriptMapper)
GET_MANAGER_PTR(ScriptMapper)
static void ParseShaderIfNeeded (Shader* shader)
{
Assert (!shader->GetNeedsParsing() || !shader->GetShaderLabShader());
if (!shader->GetNeedsParsing())
return;
const Shader::ScriptString& script = shader->GetScript();
// Save current shader name around shader parsing
std::string saveShaderName = g_LastParsedShaderName;
shader->ParseAndPostLoad (script.c_str(), script.size());
g_LastParsedShaderName = saveShaderName;
}
Shader* FindShaderLabShader (const std::string& name, ShaderPtrVector& shaderLookup, bool useLookup)
{
Assert(GetScriptMapperPtr());
// Finding shaders can load new ones. So save and
// restore the currently parsed shader name.
std::string saveShaderName = g_LastParsedShaderName;
Shader* shader = NULL;
if (useLookup)
{
for (size_t i = 0; i < shaderLookup.size(); ++i)
{
Shader* s = shaderLookup[i];
if (s == NULL)
continue;
ParseShaderIfNeeded (s);
const std::string& shaderName = s->GetScriptClassName();
if (shaderName == name)
{
shader = s;
break;
}
// also try non-legacy name of the shader we're searching for,
// in case someone does " Diffuse" but we're meant
// to find "Diffuse" etc.
const char* nonLegacyShaderName = GetNonLegacyShaderName(name.c_str());
if (nonLegacyShaderName && !strcmp(shaderName.c_str(), nonLegacyShaderName))
{
shader = s;
break;
}
}
}
else
{
shader = GetScriptMapper().FindShader (name);
}
g_LastParsedShaderName = saveShaderName;
if (shader)
{
ParseShaderIfNeeded (shader);
if (!useLookup)
{
PPtr<Shader> shaderPtr(shader);
if (std::find(shaderLookup.begin(), shaderLookup.end(), shaderPtr) == shaderLookup.end())
shaderLookup.push_back (shaderPtr);
}
return shader;
}
return NULL;
}
// -------------------------------------------------------------------
#if ENABLE_UNIT_TESTS
#include "External/shaderlab/Library/SLParserData.h"
static void TestCanFindLegacyShaderNamesWhenUsingLookup ()
{
const char* oldName = "Lightmapped/VertexLit"; // legacy name
ScriptMapper& sm = GetScriptMapper();
Shader* shader1 = sm.FindShader(oldName);
Assert (shader1 != NULL);
// now check if FindShaderLabShader can find it when using lookup table
ShaderPtrVector lookup;
lookup.push_back(shader1);
Shader* shader2 = FindShaderLabShader (oldName, lookup, true);
Assert (shader2 == shader1);
}
void TestHighLevelShaderNameRegistryTests()
{
TestCanFindLegacyShaderNamesWhenUsingLookup();
}
#endif // #if ENABLE_UNIT_TESTS
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