//Deserialize without knowing type
public static object Deserialize(string data, object[] args = null)
{
//extract serialized class name
var index = data.IndexOf('(');
var serializedClassName = data.Substring(0, index);
//fetch all serialized classes names, and try to match it
Type type = null;
var allTypes = typeof(Serialization).Assembly.GetTypes();
foreach (var t in allTypes)
{
var classAttributes = t.GetCustomAttributes(typeof(SerializeAsAttribute), false);
if (classAttributes != null && classAttributes.Length == 1)
{
var name = (classAttributes[0] as SerializeAsAttribute).serializedName;
if (name == serializedClassName)
{
//match!
type = t;
}
}
}
if (type == null)
{
Debug.LogError(ShaderGenerator2.ErrorMsg("Can't find proper Type for serialized class named '<b>" + serializedClassName + "</b>'"));
return(null);
}
//return new object with correct type
return(Deserialize(data, type, args));
}
string[] ArgumentLines(string[] array, Argument[] arguments, List <string> suppliedArguments)
{
if (arguments == null || arguments.Length == 0)
{
return(array);
}
else
{
if (suppliedArguments.Count != arguments.Length)
{
Debug.LogError(ShaderGenerator2.ErrorMsg(string.Format("[Module {4}] Invalid number of arguments provided: got <b>{0}</b>, expected <b>{1}</b>:\nExpected: {2}\nSupplied: {3}",
suppliedArguments.Count,
arguments.Length,
string.Join(", ", System.Array.ConvertAll(arguments, a => a.ToString())),
string.Join(", ", suppliedArguments.ToArray()),
this.name)));
}
var list = new List <string>();
foreach (var line in array)
{
string lineWithArgs = line;
for (int i = 0; i < arguments.Length; i++)
{
lineWithArgs = System.Text.RegularExpressions.Regex.Replace(lineWithArgs, @"\b" + arguments[i].name + @"\b", suppliedArguments[i]);
}
list.Add(lineWithArgs);
}
return(list.ToArray());
}
}
//Process the #KEYWORDS block for this config
internal void ProcessKeywordsBlock(Config config, List <string> conditionalFeatures, List <string> tempFeatures, List <string> tempFlags)
{
var depth = -1;
var stack = new List <bool>();
var done = new List <bool>();
for (var i = 0; i < textLines.Length; i++)
{
var line = textLines[i];
if (line.StartsWith("#KEYWORDS"))
{
int keywordsStartIndex = i + 1;
while (i < textLines.Length)
{
line = textLines[i];
i++;
if (line.StartsWith("#END"))
{
return;
}
//Conditions
if (line.Contains("///"))
{
var error = ExpressionParser.ProcessCondition(line, conditionalFeatures, ref depth, ref stack, ref done);
if (!string.IsNullOrEmpty(error))
{
Debug.LogError(ShaderGenerator2.ErrorMsg(error));
}
}
//Regular line
else
{
//Process line if inside valid condition block
if ((depth >= 0 && stack[depth]) || depth < 0)
{
if (config.ProcessKeywords(line, tempFeatures, tempFlags))
{
// add the new toggled features, if any
foreach (var f in tempFeatures)
{
Utils.AddIfMissing(conditionalFeatures, f);
}
// reset the loop, so that the #keywords order doesn't matter in the template
i = keywordsStartIndex;
continue;
}
}
}
}
}
}
}
//Return the Fragment Lines with the arguments replaced with their proper names
public string[] FragmentLines(List <string> arguments, string key = "")
{
Argument[] args;
string[] lines;
FragmentsArgs.TryGetValue(key, out args);
Fragments.TryGetValue(key, out lines);
if (lines == null)
{
Debug.LogError(ShaderGenerator2.ErrorMsg(string.Format("Can't find #FRAGMENT/#LIGHTING for Module '{0}{1}'", this.name, string.IsNullOrEmpty(key) ? "" : ":" + key)));
return(null);
}
return(ArgumentLines(lines, args, arguments));
}
//Process the #INPUT block: retrieve all necessary variables
//for Input struct (surface shader) or v2f struct (vert/frag shader)
internal string[] GetInputBlock(ParsedLine[] parsedLines, int pass)
{
var variablesList = new List <string>();
int currentPass = -1;
for (var i = 0; i < parsedLines.Length; i++)
{
var line = parsedLines[i].line;
if (line.StartsWith("#PASS"))
{
currentPass++;
}
if (line.StartsWith("#INPUT_VARIABLES") && currentPass == pass)
{
i++;
while (i < parsedLines.Length)
{
line = parsedLines[i].line;
i++;
if (line.StartsWith("#END"))
{
return(variablesList.ToArray());
}
if (line.StartsWith("#") || string.IsNullOrEmpty(line.Trim()))
{
continue;
}
//Conditions
if (line.Contains("///"))
{
Debug.LogError(ShaderGenerator2.ErrorMsg("GetInputBlock: template lines should already have been parsed and cleared of conditions"));
}
//Regular line
else
{
variablesList.Add(line.Trim());
}
}
}
}
return(null);
}
//--------
private static TextAsset LoadTextAsset(string filename)
{
string rootPath = Utils.FindReadmePath(true);
var asset = AssetDatabase.LoadAssetAtPath <TextAsset>(string.Format("{0}/Editor/Shader Templates/{1}", rootPath, filename));
if (asset == null)
{
var filenameNoExtension = Path.GetFileNameWithoutExtension(filename);
var guids = AssetDatabase.FindAssets(string.Format("{0} t:TextAsset", filenameNoExtension));
if (guids.Length >= 1)
{
var path = AssetDatabase.GUIDToAssetPath(guids[0]);
asset = AssetDatabase.LoadAssetAtPath(path, typeof(TextAsset)) as TextAsset;
}
else
{
Debug.LogError(ShaderGenerator2.ErrorMsg(string.Format("Can't find template using Unity's search system. Make sure that the file '{0}' is in the project!", filename)));
}
}
return(asset);
}
static public Module CreateFromName(string moduleName)
{
string moduleFile = string.Format("Module_{0}.txt", moduleName);
string rootPath = Utils.FindReadmePath(true);
string modulePath = string.Format("{0}/Shader Templates 2/Modules/{1}", rootPath, moduleFile);
var textAsset = AssetDatabase.LoadAssetAtPath <TextAsset>(modulePath);
//Can't find through default path, try to search for the file using AssetDatabase
if (textAsset == null)
{
var matches = AssetDatabase.FindAssets(string.Format("Module_{0} t:textasset", moduleName));
if (matches.Length > 0)
{
// Get the first result
textAsset = AssetDatabase.LoadAssetAtPath <TextAsset>(AssetDatabase.GUIDToAssetPath(matches[0]));
}
else
{
Debug.LogError(ShaderGenerator2.ErrorMsg(string.Format("Can't find module using Unity's search system. Make sure that the file 'Module_{0}' is in the project!", moduleName)));
}
}
if (textAsset == null)
{
Debug.LogError(ShaderGenerator2.ErrorMsg(string.Format("Can't load module: '{0}'", moduleName)));
return(null);
}
var lines = textAsset.text.Split(new string[] { "\r\n", "\n" }, System.StringSplitOptions.None);
List <string> features = new List <string>();
List <string> propertiesNew = new List <string>();
List <string> keywords = new List <string>();
List <string> shaderFeaturesBlock = new List <string>();
List <string> propertiesBlock = new List <string>();
List <string> variables = new List <string>();
List <string> functions = new List <string>();
List <string> inputStruct = new List <string>();
bool explicitFunctions = false;
Dictionary <string, List <Argument> > verticesArgs = new Dictionary <string, List <Argument> >();
Dictionary <string, List <Argument> > fragmentsArgs = new Dictionary <string, List <Argument> >();
Dictionary <string, List <string> > vertices = new Dictionary <string, List <string> >();
Dictionary <string, List <string> > fragments = new Dictionary <string, List <string> >();
Dictionary <string, List <string> > arbitraryBlocks = new Dictionary <string, List <string> >();
List <string> currentList = null;
foreach (var line in lines)
{
if (line.StartsWith("#") && !line.Contains("_IMPL"))
{
var lineTrim = line.Trim();
//fragment can have arguments, so check the start of the line instead of exact word
if (lineTrim.StartsWith("#VERTEX"))
{
var key = "";
if (lineTrim.Contains(":"))
{
int start = "#VERTEX:".Length;
int end = lineTrim.IndexOf('(');
key = lineTrim.Substring(start, end - start);
}
currentList = new List <string>();
vertices.Add(key, currentList);
if (lineTrim.Contains("(") && lineTrim.Contains(")"))
{
//parse arguments
var vertexArgs = ParseArguments(lineTrim);
verticesArgs.Add(key, vertexArgs);
}
}
//#LIGHTING is an alias for fragment here, just to differentiate in the template code
else if (lineTrim.StartsWith("#FRAGMENT") || lineTrim.StartsWith("#LIGHTING"))
{
var key = "";
if (lineTrim.Contains(":"))
{
int start = "#FRAGMENT:".Length; // same character count for #LIGHTING
int end = lineTrim.IndexOf('(');
if (end >= 0)
{
key = lineTrim.Substring(start, end - start);
}
else
{
key = lineTrim.Substring(start);
}
}
currentList = new List <string>();
fragments.Add(key, currentList);
if (lineTrim.Contains("(") && lineTrim.Contains(")"))
{
//parse arguments
var fragmentArgs = ParseArguments(lineTrim);
fragmentsArgs.Add(key, fragmentArgs);
}
}
else if (lineTrim.StartsWith("#FUNCTIONS:EXPLICIT"))
{
// Explicit functions that have to be declared in the template with [[Module:FUNCTIONS:module_name]]
currentList = functions;
explicitFunctions = true;
}
else
{
switch (lineTrim)
{
case "#FEATURES": currentList = features; break;
case "#PROPERTIES_NEW": currentList = propertiesNew; break;
case "#KEYWORDS": currentList = keywords; break;
case "#PROPERTIES_BLOCK": currentList = propertiesBlock; break;
case "#SHADER_FEATURES_BLOCK": currentList = shaderFeaturesBlock; break;
case "#FUNCTIONS": currentList = functions; break;
case "#VARIABLES": currentList = variables; break;
case "#INPUT": currentList = inputStruct; break;
case "#END": currentList = null; break;
default:
{
// An "arbitrary block" is parsed if not using a predefine keyword like above, and we are not iterating over an existing block
if (currentList == null)
{
string block = lineTrim.Substring(1);
if (block.Length > 0 && !char.IsWhiteSpace(block[0]))
{
currentList = new List <string>();
arbitraryBlocks.Add(block, currentList);
}
}
break;
}
}
}
}
else
{
if (currentList != null)
{
currentList.Add(line);
}
}
}
Module module = new Module();
module.name = moduleName;
module.Features = features.ToArray();
module.PropertiesNew = propertiesNew.ToArray();
module.Keywords = keywords.ToArray();
module.ShaderFeaturesBlock = shaderFeaturesBlock.ToArray();
module.PropertiesBlock = propertiesBlock.ToArray();
module.Functions = functions.ToArray();
module.Variables = variables.ToArray();
module.InputStruct = inputStruct.ToArray();
module.ExplicitFunctionsDeclaration = explicitFunctions;
module.ArbitraryBlocks = arbitraryBlocks;
// #VERTEX
if (vertices.Count == 0)
{
vertices.Add("", new List <string>());
verticesArgs.Add("", new List <Argument>());
}
foreach (var vertexPair in vertices)
{
var key = vertexPair.Key;
module.Vertices.Add(key, vertexPair.Value.ToArray());
if (verticesArgs.ContainsKey(key))
{
module.VerticesArgs.Add(key, verticesArgs[key].ToArray());
}
}
// #FRAGMENT
if (fragments.Count == 0)
{
fragments.Add("", new List <string>());
fragmentsArgs.Add("", new List <Argument>());
}
foreach (var fragmentPair in fragments)
{
var key = fragmentPair.Key;
module.Fragments.Add(key, fragmentPair.Value.ToArray());
if (fragmentsArgs.ContainsKey(key))
{
module.FragmentsArgs.Add(key, fragmentsArgs[key].ToArray());
}
}
module.ProcessIndentation();
return(module);
}
//--------------------------------------------------------------------------------------------------
public override void OnGUI(MaterialEditor materialEditor, MaterialProperty[] properties)
{
_materialEditor = materialEditor;
_properties = properties;
hasAutoTransparency = System.Array.Exists(_properties, prop => prop.name == PROP_RENDERING_MODE);
#if SHOW_DEFAULT_INSPECTOR
base.OnGUI();
return;
#else
//Header
EditorGUILayout.BeginHorizontal();
var label = (Screen.width > 450f) ? "TOONY COLORS PRO 2 - INSPECTOR (Generated Shader)" : (Screen.width > 300f ? "TOONY COLORS PRO 2 - INSPECTOR" : "TOONY COLORS PRO 2");
TCP2_GUI.HeaderBig(label);
if (TCP2_GUI.Button(TCP2_GUI.CogIcon2, "SG2", "Open in Shader Generator"))
{
if (targetMaterial.shader != null)
{
ShaderGenerator2.OpenWithShader(targetMaterial.shader);
}
}
EditorGUILayout.EndHorizontal();
TCP2_GUI.Separator();
//Iterate Shader properties
materialEditor.serializedObject.Update();
var mShader = materialEditor.serializedObject.FindProperty("m_Shader");
toggledGroups.Clear();
// Auto-transparency
if (hasAutoTransparency)
{
int indent = EditorGUI.indentLevel;
EditorGUI.indentLevel++;
{
EditorGUILayout.BeginHorizontal();
{
GUILayout.Space(15);
GUILayout.Label(TCP2_GUI.TempContent("Transparency"), EditorStyles.boldLabel);
}
EditorGUILayout.EndHorizontal();
HandleRenderingMode();
}
EditorGUI.indentLevel = indent;
}
if (materialEditor.isVisible && !mShader.hasMultipleDifferentValues && mShader.objectReferenceValue != null)
{
//Retina display fix
EditorGUIUtility.labelWidth = Utils.ScreenWidthRetina - 120f;
EditorGUIUtility.fieldWidth = 64f;
EditorGUI.BeginChangeCheck();
EditorGUI.indentLevel++;
foreach (var p in properties)
{
var visible = (toggledGroups.Count == 0 || toggledGroups.Peek());
//Hacky way to separate material inspector properties into foldout groups
if (p.name.StartsWith("__BeginGroup"))
{
//Foldout
if (visible)
{
GUILayout.Space(2f);
Rect propertyRect = EditorGUILayout.GetControlRect(true, EditorGUIUtility.singleLineHeight, EditorStyles.layerMaskField);
propertyRect.x += 12;
propertyRect.width -= 12;
p.floatValue = EditorGUI.Foldout(propertyRect, p.floatValue > 0, p.displayName, true) ? 1 : 0;
}
EditorGUI.indentLevel++;
toggledGroups.Push((p.floatValue > 0) && visible);
}
else if (p.name.StartsWith("__EndGroup"))
{
EditorGUI.indentLevel--;
toggledGroups.Pop();
GUILayout.Space(2f);
}
else
{
//Draw regular property
if (visible && (p.flags & (MaterialProperty.PropFlags.PerRendererData | MaterialProperty.PropFlags.HideInInspector)) == MaterialProperty.PropFlags.None)
{
_materialEditor.ShaderProperty(p, p.displayName);
}
}
}
EditorGUI.indentLevel--;
if (EditorGUI.EndChangeCheck())
{
materialEditor.PropertiesChanged();
}
}
#endif // !SHOW_DEFAULT_INSPECTOR
#if UNITY_5_5_OR_NEWER
TCP2_GUI.Separator();
materialEditor.RenderQueueField();
#endif
#if UNITY_5_6_OR_NEWER
materialEditor.EnableInstancingField();
#endif
}
internal List <List <ShaderProperty> > FindUsedShaderPropertiesPerPass(ParsedLine[] parsedLines)
{
// Find used shader properties depending on the current pass, to extract used features per pass
var shaderPropertiesPerPass = new List <List <ShaderProperty> >();
// Find available Generic Implementations based on the current features
ShaderProperty.Imp_GenericFromTemplate.InitList();
int passIndex = -1;
string program = "undefined";
for (var i = 0; i < parsedLines.Length; i++)
{
var line = parsedLines[i].line.Trim();
if (line.StartsWith("#PASS"))
{
passIndex++;
shaderPropertiesPerPass.Add(new List <ShaderProperty>());
continue;
}
if (line.StartsWith("#VERTEX"))
{
program = "vertex";
continue;
}
if (line.StartsWith("#FRAGMENT"))
{
program = "fragment";
continue;
}
if (line.StartsWith("#LIGHTING"))
{
program = "lighting";
continue;
}
if (passIndex < 0)
{
continue;
}
// enabled generic implementation
if (line.StartsWith("#ENABLE_IMPL"))
{
ShaderProperty.Imp_GenericFromTemplate.EnableFromLine(line, passIndex, program);
continue;
}
// disabled generic implementation
if (line.StartsWith("#DISABLE_IMPL"))
{
if (line.Contains("DISABLE_IMPL_ALL"))
{
ShaderProperty.Imp_GenericFromTemplate.DisableAll();
}
else
{
ShaderProperty.Imp_GenericFromTemplate.DisableFromLine(line, passIndex, program);
}
continue;
}
var end = 0;
while (line.IndexOf("[[", end) >= 0)
{
var start = line.IndexOf("[[", end);
end = line.IndexOf("]]", end + 1);
var tag = line.Substring(start + 2, end - start - 2);
if (tag.StartsWith("VALUE:") || tag.StartsWith("SAMPLE_VALUE_SHADER_PROPERTY:"))
{
var propName = tag.Substring(tag.IndexOf(':') + 1);
int argsStart = propName.IndexOf('(');
if (argsStart > 0)
{
propName = propName.Substring(0, argsStart);
}
var sp = GetShaderPropertyByName(propName);
if (sp != null)
{
//add to used Shader Properties for current parsed pass
if (!shaderPropertiesPerPass[passIndex].Contains(sp))
{
shaderPropertiesPerPass[passIndex].Add(sp);
}
ShaderProperty.Imp_GenericFromTemplate.AddCompatibleShaderProperty(sp);
}
else
{
Debug.LogError(ShaderGenerator2.ErrorMsg(string.Format("No match for used Shader Property in code: '<b>{0}</b>'", tag)));
}
}
}
}
ShaderProperty.Imp_GenericFromTemplate.ListCompleted();
// Iterate through properties, and take into account referenced ones
Action <ShaderProperty, List <ShaderProperty> > findAndAddLinkedShaderProperties = null;
findAndAddLinkedShaderProperties = (sp, list) =>
{
foreach (var imp in sp.implementations)
{
var impSpRef = imp as ShaderProperty.Imp_ShaderPropertyReference;
if (impSpRef != null)
{
// linked shader property can't be null during compilation, or something went wrong
if (!list.Contains(impSpRef.LinkedShaderProperty))
{
list.Add(impSpRef.LinkedShaderProperty);
// recursive
findAndAddLinkedShaderProperties(impSpRef.LinkedShaderProperty, list);
}
}
}
};
for (int i = 0; i < shaderPropertiesPerPass.Count; i++)
{
var list = shaderPropertiesPerPass[i];
foreach (var sp in list.ToArray())
{
findAndAddLinkedShaderProperties(sp, list);
}
}
return(shaderPropertiesPerPass);
}
internal ShaderProperty[] GetConditionalShaderProperties(ParsedLine[] parsedLines, out Dictionary <int, GUIContent> headers)
{
headers = new Dictionary <int, GUIContent>();
var shaderPropertiesList = new List <ShaderProperty>();
for (var i = 0; i < parsedLines.Length; i++)
{
var line = parsedLines[i].line;
if (line.StartsWith("#PROPERTIES_NEW"))
{
while (i < parsedLines.Length)
{
line = parsedLines[i].line;
i++;
if (line.StartsWith("#END"))
{
return(shaderPropertiesList.ToArray());
}
if (line.StartsWith("//") || line.StartsWith("#") || string.IsNullOrEmpty(line))
{
continue;
}
if (line.Trim().StartsWith("header"))
{
var data = line.Split(new string[] { "\t" }, System.StringSplitOptions.RemoveEmptyEntries);
var gc = new GUIContent(data[1], data.Length > 2 ? data[2].Trim('\"') : null);
if (!headers.ContainsKey(shaderPropertiesList.Count))
{
headers.Add(shaderPropertiesList.Count, null);
}
headers[shaderPropertiesList.Count] = gc; // only take the last one into account, so that empty headers will be ignored
continue;
}
try
{
var shaderProperty = ShaderProperty.CreateFromTemplateData(line);
var match = GetShaderPropertyByName(shaderProperty.Name);
if (match == null)
{
Debug.LogError(ShaderGenerator2.ErrorMsg("Can't find Shader Property in Template, yet it was found for Config"));
}
else
{
shaderPropertiesList.Add(match);
}
}
catch (Exception e)
{
Debug.LogError(ShaderGenerator2.ErrorMsg(string.Format("Parsing error in <b>#PROPERTIES_NEW</b> block:\n'{0}'\n{1}", e.Message, e.StackTrace)));
}
}
}
}
return(shaderPropertiesList.ToArray());
}
//Get all Shader Properties regardless of conditions, only their visibility will be affected by the Config
//This ensures that they are always in the correct order
//Also link the pending Imp_ShaderPropertyReferences at this time, if any
//and assign the correct pass bitmask based on usage
static ShaderProperty[] GetShaderProperties(string[] lines, int i)
{
var shaderPropertiesList = new List <ShaderProperty>();
string subline;
do
{
subline = lines[i];
i++;
if (subline == "#END")
{
break;
}
if (subline.Trim().StartsWith("//") || subline.StartsWith("#") || string.IsNullOrEmpty(subline))
{
continue;
}
if (subline.Trim().StartsWith("header"))
{
continue;
}
try
{
var shaderProperty = ShaderProperty.CreateFromTemplateData(subline);
shaderPropertiesList.Add(shaderProperty);
}
catch (Exception e)
{
Debug.LogError(ShaderGenerator2.ErrorMsg(string.Format("Parsing error in <b>#PROPERTIES_NEW</b> block:\n\nError: '{0}'\n\nLine: '{1}'", e.ToString(), subline)));
}
}while (subline != "#END" && subline != null);
//link shader property references
foreach (var shaderProperty in shaderPropertiesList)
{
if (shaderProperty.implementations != null && shaderProperty.implementations.Count > 0)
{
foreach (var imp in shaderProperty.implementations)
{
var impSpRef = imp as ShaderProperty.Imp_ShaderPropertyReference;
if (impSpRef != null && !string.IsNullOrEmpty(impSpRef.LinkedShaderPropertyName))
{
var match = shaderPropertiesList.Find(sp => sp.Name == impSpRef.LinkedShaderPropertyName);
if (match != null)
{
var channels = impSpRef.Channels;
impSpRef.LinkedShaderProperty = match;
//restore channels from template data, it's up to the template to match the referenced shader property
if (!string.IsNullOrEmpty(channels))
{
impSpRef.Channels = channels.ToUpperInvariant();
}
impSpRef.ForceUpdateParentDefaultHash();
}
else
{
Debug.LogError(ShaderGenerator2.ErrorMsg(string.Format("Can't find referenced Shader Property in template.\n'{0}' tried to reference '{1}'", shaderProperty.Name, impSpRef.LinkedShaderPropertyName)));
}
}
}
}
}
//iterate rest of template to check usage of each shader property per pass
int currentPass = -1;
for (; i < lines.Length; i++)
{
var line = lines[i].Trim();
// update pass
if (line.StartsWith("#PASS"))
{
currentPass++;
continue;
}
// check value usage: used in which pass(es), and which generic implementation they can use
var end = 0;
while (line.IndexOf("[[", end) >= 0)
{
var start = line.IndexOf("[[", end);
end = line.IndexOf("]]", end + 1);
var tag = line.Substring(start + 2, end - start - 2);
if (tag.StartsWith("VALUE:") || tag.StartsWith("SAMPLE_VALUE_SHADER_PROPERTY:"))
{
var propName = tag.Substring(tag.IndexOf(':') + 1);
int argsStart = propName.IndexOf('(');
if (argsStart > 0)
{
propName = propName.Substring(0, argsStart);
}
var sp = shaderPropertiesList.Find(x => x.Name == propName);
if (sp != null)
{
// found used Shader Property
sp.AddPassUsage(currentPass);
}
else
{
Debug.LogError(ShaderGenerator2.ErrorMsg(string.Format("No match for used Shader Property in code: '<b>{0}</b>'", tag)));
}
}
}
}
return(shaderPropertiesList.ToArray());
}
private void UpdateTemplateMeta()
{
uiFeatures = null;
templateInfo = null;
templateWarning = null;
templateType = null;
templateKeywords = null;
id = null;
UIFeature.ClearFoldoutStack();
if (textAsset != null && !string.IsNullOrEmpty(textAsset.text))
{
//First pass: parse #MODULES and replace related keywords
var newTemplateLines = new List <string>();
Dictionary <string, Module> modules = new Dictionary <string, Module>();
var usedModulesVariables = new HashSet <Module>();
var usedModulesInput = new HashSet <Module>();
for (int i = 0; i < originalTextLines.Length; i++)
{
string line = originalTextLines[i];
//Parse #MODULES
if (line.StartsWith("#MODULES"))
{
//Iterate module names and try to find matching TextAssets
while (line != "#END" && i < originalTextLines.Length)
{
line = originalTextLines[i];
i++;
if (line == "#END")
{
break;
}
if (line.StartsWith("//") || line.StartsWith("#") || string.IsNullOrEmpty(line))
{
continue;
}
try
{
var moduleName = line.Trim();
var module = Module.CreateFromName(moduleName);
if (module != null)
{
modules.Add(moduleName, module);
}
}
catch (Exception e)
{
Debug.LogError(ShaderGenerator2.ErrorMsg(string.Format("Parsing error in <b>#MODULES</b> block:\nLine: '{0}'\n'{1}'\n{2}", line, e.Message, e.StackTrace)));
}
}
}
//Replace module keywords
if (line.Trim().StartsWith("[[MODULE") && i < originalTextLines.Length)
{
//extract indentation
var indent = "";
foreach (var c in line)
{
if (char.IsWhiteSpace(c))
{
indent += c;
}
else
{
break;
}
}
var start = line.IndexOf("[[MODULE:");
var end = line.LastIndexOf("]]");
var tag = line.Substring(start + "[[MODULE:".Length, end - start - "[[MODULE:".Length);
var moduleName = "";
var key = "";
if (tag.IndexOf(':') > 0)
{
moduleName = tag.Substring(tag.IndexOf(':') + 1);
//remove arguments if any
if (moduleName.Contains("("))
{
moduleName = moduleName.Substring(0, moduleName.IndexOf("("));
}
//extract key, if any
int keyStart = moduleName.IndexOf(':');
if (keyStart > 0)
{
key = moduleName.Substring(keyStart + 1);
moduleName = moduleName.Substring(0, keyStart);
}
}
if (!string.IsNullOrEmpty(moduleName) && !modules.ContainsKey(moduleName))
{
Debug.LogError(ShaderGenerator2.ErrorMsg(string.Format("Can't find module: '{0}' for '{1}'", moduleName, line.Trim())));
continue;
}
if (tag.StartsWith("INPUT:"))
{
//Print Input block from specific module
foreach (var module in modules.Values)
{
if (module.name == moduleName)
{
AddRangeWithIndent(newTemplateLines, module.InputStruct, indent);
usedModulesInput.Add(module);
}
}
}
if (tag == "INPUT")
{
//Print all Input lines from all modules
foreach (var module in modules.Values)
{
if (!usedModulesInput.Contains(module))
{
AddRangeWithIndent(newTemplateLines, module.InputStruct, indent);
}
}
}
else if (tag.StartsWith("VARIABLES:"))
{
//Print Variables line from specific module
foreach (var module in modules.Values)
{
if (module.name == moduleName)
{
AddRangeWithIndent(newTemplateLines, module.Variables, indent);
usedModulesVariables.Add(module);
}
}
}
else if (tag == "VARIABLES")
{
//Print all Variables lines from all modules
foreach (var module in modules.Values)
{
if (!usedModulesVariables.Contains(module))
{
AddRangeWithIndent(newTemplateLines, module.Variables, indent);
}
}
}
else if (tag == "KEYWORDS")
{
//Print all Keywords lines from all modules
foreach (var module in modules.Values)
{
AddRangeWithIndent(newTemplateLines, module.Keywords, indent);
}
}
else if (tag.StartsWith("FEATURES:"))
{
AddRangeWithIndent(newTemplateLines, modules[moduleName].Features, indent);
}
else if (tag.StartsWith("PROPERTIES_NEW:"))
{
AddRangeWithIndent(newTemplateLines, modules[moduleName].PropertiesNew, indent);
}
else if (tag.StartsWith("PROPERTIES_BLOCK:"))
{
AddRangeWithIndent(newTemplateLines, modules[moduleName].PropertiesBlock, indent);
}
else if (tag.StartsWith("SHADER_FEATURES_BLOCK"))
{
AddRangeWithIndent(newTemplateLines, modules[moduleName].ShaderFeaturesBlock, indent);
}
else if (tag.StartsWith("VERTEX:"))
{
//Get arguments if any
var args = new List <string>();
int argStart = tag.IndexOf("(") + 1;
int argEnd = tag.IndexOf(")");
if (argStart > 0 && argEnd > 0)
{
string arguments = tag.Substring(argStart, argEnd - argStart);
var argumentsSplit = arguments.Split(',');
foreach (var a in argumentsSplit)
{
args.Add(a.Trim());
}
}
AddRangeWithIndent(newTemplateLines, modules[moduleName].VertexLines(args, key), indent);
}
else if (tag.StartsWith("FRAGMENT:"))
{
//Get arguments if any
var args = new List <string>();
int argStart = tag.IndexOf("(") + 1;
int argEnd = tag.IndexOf(")");
if (argStart > 0 && argEnd > 0)
{
string arguments = tag.Substring(argStart, argEnd - argStart);
var argumentsSplit = arguments.Split(',');
foreach (var a in argumentsSplit)
{
args.Add(a.Trim());
}
}
AddRangeWithIndent(newTemplateLines, modules[moduleName].FragmentLines(args, key), indent);
}
}
else
{
newTemplateLines.Add(line);
}
}
//Apply to textLines
this.textLines = newTemplateLines.ToArray();
//Second pass: parse other blocks
for (int i = 0; i < textLines.Length; i++)
{
var line = textLines[i];
if (line.StartsWith("#INFO="))
{
templateInfo = line.Substring("#INFO=".Length).TrimEnd().Replace(" ", "\n");
}
else if (line.StartsWith("#WARNING="))
{
templateWarning = line.Substring("#WARNING=".Length).TrimEnd().Replace(" ", "\n");
}
else if (line.StartsWith("#CONFIG="))
{
templateType = line.Substring("#CONFIG=".Length).TrimEnd().ToLower();
}
else if (line.StartsWith("#TEMPLATE_KEYWORDS="))
{
templateKeywords = line.Substring("#TEMPLATE_KEYWORDS=".Length).TrimEnd().Split(',');
}
else if (line.StartsWith("#ID="))
{
id = line.Substring("#ID=".Length).TrimEnd();
}
else if (line.StartsWith("#FEATURES"))
{
uiFeatures = UIFeature.GetUIFeatures(textLines, ref i, this);
}
else if (line.StartsWith("#PROPERTIES_NEW"))
{
shaderProperties = GetShaderProperties(textLines, i);
return;
}
//Config meta should appear before the Shader name line
else if (line.StartsWith("Shader"))
{
return;
}
}
if (id == null)
{
Debug.LogWarning(ShaderGenerator2.ErrorMsg("Missing ID in template metadata!"));
}
}
}
//Returns an array of parsed lines based on the current features enabled, with their corresponding original line number (for error reporting)
//Only keeps the lines necessary to generate the shader source, e.g. #FEATURES will be skipped
//Conditions are now only processed in this function, all the other code should ignore them
internal ParsedLine[] GetParsedLinesFromConditions(Config config, List <string> flags)
{
var list = new List <ParsedLine>();
int depth = -1;
var stack = new List <bool>();
var done = new List <bool>();
var features = new List <string>(config.Features);
int passIndex = -1;
//clear optional features from shader properties options
config.ClearShaderPropertiesFeatures();
//make sure to use all needed features as config features for conditions
var conditionFeatures = new List <string>(config.GetShaderPropertiesNeededFeaturesAll());
conditionFeatures.AddRange(config.Features);
conditionFeatures.AddRange(config.ExtraTempFeatures);
//make sure keywords have been processed
var keywordsFeatures = new List <string>();
ProcessKeywordsBlock(config, conditionFeatures, keywordsFeatures, flags);
features.AddRange(keywordsFeatures);
//before first #PASS tag: use needed features from _all_ passes:
//this is to make sure that the CGINCLUDE block with needed #VARIABLES:MODULES gets processed correctly
features.AddRange(config.GetShaderPropertiesNeededFeaturesAll());
features.AddRange(config.GetHooksNeededFeatures());
//parse lines and strip based on conditions
for (var i = 0; i < textLines.Length; i++)
{
var line = textLines[i];
if (line.Length > 0 && line[0] == '#')
{
if (line.StartsWith("#PASS"))
{
//new pass: get the specific features for this pass
passIndex++;
features = new List <string>(config.Features);
features.AddRange(config.GetHooksNeededFeatures());
features.AddRange(config.GetShaderPropertiesNeededFeaturesForPass(passIndex));
var passKeywordsFeatures = new List <string>();
ProcessKeywordsBlock(config, features, passKeywordsFeatures, flags);
features.AddRange(passKeywordsFeatures);
}
//Skip #FEATURES block
if (line.StartsWith("#FEATURES"))
{
while (i < textLines.Length)
{
i++;
line = textLines[i];
if (line == "#END")
{
break;
}
}
}
}
//Conditions
if (line.Contains("///"))
{
var error = ExpressionParser.ProcessCondition(line, features, ref depth, ref stack, ref done);
if (!string.IsNullOrEmpty(error))
{
Debug.LogError(ShaderGenerator2.ErrorMsg(error + "\n@ line " + i));
}
}
//Regular line
else
{
//Append line if inside valid condition block
if ((depth >= 0 && stack[depth]) || depth < 0)
{
list.Add(new ParsedLine {
line = line, lineNumber = i + 1
});
}
}
}
//error?
if (depth >= 0)
{
//Analyze and try to find where the issue is
var st = new Stack <ParsedLine>();
for (var i = 0; i < textLines.Length; i++)
{
var tline = textLines[i].TrimStart();
if (tline == "///")
{
st.Pop();
}
else if (tline.StartsWith("/// IF"))
{
st.Push(new ParsedLine {
line = textLines[i], lineNumber = i + 1
});
}
}
if (st.Count > 0)
{
var pl = st.Pop();
Debug.LogError(ShaderGenerator2.ErrorMsg(string.Format("Missing {0} ending '///' tag{1} at line {2}:\n{3}", depth + 1, depth > 0 ? "s" : "", pl.lineNumber, pl.line)));
}
else
{
Debug.LogError(ShaderGenerator2.ErrorMsg(string.Format("Missing {0} ending '///' tag{1}", depth + 1, depth > 0 ? "s" : "")));
}
}
return(list.ToArray());
}
protected override void DrawGUI(Rect position, Config config)
{
// Fetch embedded Shader Property
bool highlighted = Highlighted(config);
if (shaderProperty == null && highlighted) // the SP only exists if the feature is enabled
{
var match = Array.Find(config.AllShaderProperties, sp => sp.Name == shaderPropertyName);
if (match == null)
{
Debug.LogError(ShaderGenerator2.ErrorMsg("Can't find matching embedded Shader Property with name: '" + shaderPropertyName + "'"));
}
shaderProperty = match;
}
int feature = highlighted ? (shaderProperty.implementations[0] as ShaderProperty.Imp_Enum).ValueType + 1 : 0;
if (feature < 0)
{
feature = 0;
}
EditorGUI.BeginChangeCheck();
feature = EditorGUI.Popup(position, feature, labels);
if (EditorGUI.EndChangeCheck())
{
config.ToggleFeature(keyword, feature > 0);
// Update Fixed Function value type
var ffv = fixedFunctionValues[feature];
if (feature > 0 && !string.IsNullOrEmpty(ffv) && shaderProperty != null)
{
(shaderProperty.implementations[0] as ShaderProperty.Imp_Enum).SetValueTypeFromString(ffv);
shaderProperty.CheckHash();
shaderProperty.CheckErrors();
}
}
// Show embedded Shader Property UI
if (highlighted && shaderProperty != null)
{
if (shaderProperty.Type != ShaderProperty.VariableType.fixed_function_enum)
{
EditorGUILayout.HelpBox("Embedded Shader Property should be a Fixed Function enum.", MessageType.Error);
}
else
{
var imp = shaderProperty.implementations[0] as ShaderProperty.Imp_Enum;
if (imp == null)
{
EditorGUILayout.HelpBox("First implementation of enum Shader Property isn't an Imp_Enum.", MessageType.Error);
}
else
{
EditorGUI.BeginChangeCheck();
{
imp.EmbeddedGUI(28, 170);
}
if (EditorGUI.EndChangeCheck())
{
shaderProperty.CheckHash();
shaderProperty.CheckErrors();
}
}
}
}
}