// <TYPE> <NAME> [ "(" <FFBINDING> ")" ] [-LINEAR] [ ":" <DEFAULTVAL> ]
private void readParam(String statement) throws IOException {
String name;
String defaultVal = null;
ColorSpace colorSpace = null;
String[] split = statement.split(":");
// Parse default val
if (split.length == 1) {
// Doesn't contain default value
} else {
if (split.length != 2) {
throw new IOException("Parameter statement syntax incorrect");
}
statement = split[0].trim();
defaultVal = split[1].trim();
}
if (statement.endsWith("-LINEAR")) {
colorSpace = ColorSpace.Linear;
statement = statement.substring(0, statement.length() - "-LINEAR".length());
}
// Parse ffbinding
int startParen = statement.indexOf("(");
if (startParen != -1) {
// get content inside parentheses
int endParen = statement.indexOf(")", startParen);
String bindingStr = statement.substring(startParen + 1, endParen).trim();
// don't care about bindingStr
statement = statement.substring(0, startParen);
}
// Parse type + name
split = statement.split(whitespacePattern);
if (split.length != 2) {
throw new IOException("Parameter statement syntax incorrect");
}
VarType type;
if (split[0].equals("Color")) {
type = VarType.Vector4;
} else {
type = VarType.valueOf(split[0]);
}
name = split[1];
Object defaultValObj = null;
if (defaultVal != null) {
defaultValObj = readValue(type, defaultVal);
}
if (type.isTextureType()) {
materialDef.addMaterialParamTexture(type, name, colorSpace);
} else {
materialDef.addMaterialParam(type, name, defaultValObj);
}
}
// <DEFINENAME> [ ":" <PARAMNAME> ]
private void readDefine(String statement) throws IOException {
String[] split = statement.split(":");
if (split.length == 1) {
String defineName = split[0].trim();
presetDefines.add(defineName);
} else if (split.length == 2) {
String defineName = split[0].trim();
String paramName = split[1].trim();
MatParam param = materialDef.getMaterialParam(paramName);
if (param == null) {
logger.log(
Level.WARNING,
"In technique ''{0}'':\n"
+ "Define ''{1}'' mapped to non-existent"
+ " material parameter ''{2}'', ignoring.",
new Object[] {technique.getName(), defineName, paramName});
return;
}
VarType paramType = param.getVarType();
technique.addShaderParamDefine(paramName, paramType, defineName);
} else {
throw new IOException("Define syntax incorrect");
}
}
private void readTechnique(Statement techStat) throws IOException {
isUseNodes = false;
String[] split = techStat.getLine().split(whitespacePattern);
if (split.length == 1) {
technique = new TechniqueDef(null);
} else if (split.length == 2) {
String techName = split[1];
technique = new TechniqueDef(techName);
} else {
throw new IOException("Technique statement syntax incorrect");
}
for (Statement statement : techStat.getContents()) {
readTechniqueStatement(statement);
}
if (isUseNodes) {
nodesLoaderDelegate.computeConditions();
// used for caching later, the shader here is not a file.
technique.setShaderFile(
technique.hashCode() + "", technique.hashCode() + "", "GLSL100", "GLSL100");
}
if (shaderName.containsKey(Shader.ShaderType.Vertex)
&& shaderName.containsKey(Shader.ShaderType.Fragment)) {
technique.setShaderFile(shaderName, shaderLanguage);
}
materialDef.addTechniqueDef(technique);
technique = null;
shaderLanguage.clear();
shaderName.clear();
}
/**
* finds a MatParam in the materialDef from the given name
*
* @param varName the matparam name
* @return the MatParam
*/
protected MatParam findMatParam(String varName) {
for (MatParam matParam : materialDef.getMaterialParams()) {
if (varName.equals(matParam.getName())) {
return matParam;
}
}
return null;
}
private void loadFromRoot(List<Statement> roots) throws IOException {
if (roots.size() == 2) {
Statement exception = roots.get(0);
String line = exception.getLine();
if (line.startsWith("Exception")) {
throw new AssetLoadException(line.substring("Exception ".length()));
} else {
throw new IOException("In multiroot material, expected first statement to be 'Exception'");
}
} else if (roots.size() != 1) {
throw new IOException("Too many roots in J3M/J3MD file");
}
boolean extending = false;
Statement materialStat = roots.get(0);
String materialName = materialStat.getLine();
if (materialName.startsWith("MaterialDef")) {
materialName = materialName.substring("MaterialDef ".length()).trim();
extending = false;
} else if (materialName.startsWith("Material")) {
materialName = materialName.substring("Material ".length()).trim();
extending = true;
} else {
throw new IOException("Specified file is not a Material file");
}
String[] split = materialName.split(":", 2);
if (materialName.equals("")) {
throw new MatParseException("Material name cannot be empty", materialStat);
}
if (split.length == 2) {
if (!extending) {
throw new MatParseException("Must use 'Material' when extending.", materialStat);
}
String extendedMat = split[1].trim();
MaterialDef def = (MaterialDef) assetManager.loadAsset(new AssetKey(extendedMat));
if (def == null) {
throw new MatParseException(
"Extended material " + extendedMat + " cannot be found.", materialStat);
}
material = new Material(def);
material.setKey(key);
material.setName(split[0].trim());
// material.setAssetName(fileName);
} else if (split.length == 1) {
if (extending) {
throw new MatParseException("Expected ':', got '{'", materialStat);
}
materialDef = new MaterialDef(assetManager, materialName);
// NOTE: pass file name for defs so they can be loaded later
materialDef.setAssetName(key.getName());
} else {
throw new MatParseException("Cannot use colon in material name/path", materialStat);
}
for (Statement statement : materialStat.getContents()) {
split = statement.getLine().split("[ \\{]");
String statType = split[0];
if (extending) {
if (statType.equals("MaterialParameters")) {
readExtendingMaterialParams(statement.getContents());
} else if (statType.equals("AdditionalRenderState")) {
readAdditionalRenderState(statement.getContents());
} else if (statType.equals("Transparent")) {
readTransparentStatement(statement.getLine());
}
} else {
if (statType.equals("Technique")) {
readTechnique(statement);
} else if (statType.equals("MaterialParameters")) {
readMaterialParams(statement.getContents());
} else {
throw new MatParseException(
"Expected material statement, got '" + statType + "'", statement);
}
}
}
}
private void readTechnique(Statement techStat) throws IOException {
isUseNodes = false;
String[] split = techStat.getLine().split(whitespacePattern);
String name;
if (split.length == 1) {
name = TechniqueDef.DEFAULT_TECHNIQUE_NAME;
} else if (split.length == 2) {
name = split[1];
} else {
throw new IOException("Technique statement syntax incorrect");
}
String techniqueUniqueName = materialDef.getAssetName() + "@" + name;
technique = new TechniqueDef(name, techniqueUniqueName.hashCode());
for (Statement statement : techStat.getContents()) {
readTechniqueStatement(statement);
}
technique.setShaderPrologue(createShaderPrologue(presetDefines));
switch (technique.getLightMode()) {
case Disable:
technique.setLogic(new DefaultTechniqueDefLogic(technique));
break;
case MultiPass:
technique.setLogic(new MultiPassLightingLogic(technique));
break;
case SinglePass:
technique.setLogic(new SinglePassLightingLogic(technique));
break;
case StaticPass:
technique.setLogic(new StaticPassLightingLogic(technique));
break;
case SinglePassAndImageBased:
technique.setLogic(new SinglePassAndImageBasedLightingLogic(technique));
break;
default:
throw new UnsupportedOperationException();
}
List<TechniqueDef> techniqueDefs = new ArrayList<>();
if (isUseNodes) {
nodesLoaderDelegate.computeConditions();
// used for caching later, the shader here is not a file.
// KIRILL 9/19/2015
// Not sure if this is needed anymore, since shader caching
// is now done by TechniqueDef.
technique.setShaderFile(
technique.hashCode() + "", technique.hashCode() + "", "GLSL100", "GLSL100");
techniqueDefs.add(technique);
} else if (shaderNames.containsKey(Shader.ShaderType.Vertex)
&& shaderNames.containsKey(Shader.ShaderType.Fragment)) {
if (shaderLanguages.size() > 1) {
for (int i = 1; i < shaderLanguages.size(); i++) {
TechniqueDef td = null;
try {
td = (TechniqueDef) technique.clone();
} catch (CloneNotSupportedException e) {
e.printStackTrace();
}
td.setShaderFile(shaderNames, shaderLanguages.get(i));
techniqueDefs.add(td);
}
}
technique.setShaderFile(shaderNames, shaderLanguages.get(0));
techniqueDefs.add(technique);
} else {
technique = null;
shaderLanguages.clear();
shaderNames.clear();
presetDefines.clear();
langSize = 0;
logger.log(Level.WARNING, "Fixed function technique was ignored");
logger.log(
Level.WARNING,
"Fixed function technique ''{0}'' was ignored for material {1}",
new Object[] {name, key});
return;
}
for (TechniqueDef techniqueDef : techniqueDefs) {
materialDef.addTechniqueDef(techniqueDef);
}
technique = null;
langSize = 0;
shaderLanguages.clear();
shaderNames.clear();
presetDefines.clear();
}