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 Texture parseTextureType(final VarType type, final String value) {
final List<String> textureValues = tokenizeTextureValue(value);
final List<TextureOptionValue> textureOptionValues = parseTextureOptions(textureValues);
TextureKey textureKey = null;
// If there is only one token on the value, it must be the path to the texture.
if (textureValues.size() == 1) {
textureKey = new TextureKey(textureValues.get(0), false);
} else {
String texturePath = value.trim();
// If there are no valid "new" texture options specified but the path is split into several
// parts, lets parse the old way.
if (isTexturePathDeclaredTheTraditionalWay(textureOptionValues, texturePath)) {
boolean flipY = false;
if (texturePath.startsWith("Flip Repeat ") || texturePath.startsWith("Repeat Flip ")) {
texturePath = texturePath.substring(12).trim();
flipY = true;
} else if (texturePath.startsWith("Flip ")) {
texturePath = texturePath.substring(5).trim();
flipY = true;
} else if (texturePath.startsWith("Repeat ")) {
texturePath = texturePath.substring(7).trim();
}
// Support path starting with quotes (double and single)
if (texturePath.startsWith("\"") || texturePath.startsWith("'")) {
texturePath = texturePath.substring(1);
}
// Support path ending with quotes (double and single)
if (texturePath.endsWith("\"") || texturePath.endsWith("'")) {
texturePath = texturePath.substring(0, texturePath.length() - 1);
}
textureKey = new TextureKey(texturePath, flipY);
}
if (textureKey == null) {
textureKey = new TextureKey(textureValues.get(textureValues.size() - 1), false);
}
// Apply texture options to the texture key
if (!textureOptionValues.isEmpty()) {
for (final TextureOptionValue textureOptionValue : textureOptionValues) {
textureOptionValue.applyToTextureKey(textureKey);
}
}
}
switch (type) {
case Texture3D:
textureKey.setTextureTypeHint(Texture.Type.ThreeDimensional);
break;
case TextureArray:
textureKey.setTextureTypeHint(Texture.Type.TwoDimensionalArray);
break;
case TextureCubeMap:
textureKey.setTextureTypeHint(Texture.Type.CubeMap);
break;
}
textureKey.setGenerateMips(true);
Texture texture;
try {
texture = assetManager.loadTexture(textureKey);
} catch (AssetNotFoundException ex) {
logger.log(
Level.WARNING, "Cannot locate {0} for material {1}", new Object[] {textureKey, key});
texture = null;
}
if (texture == null) {
texture = new Texture2D(PlaceholderAssets.getPlaceholderImage(assetManager));
texture.setKey(textureKey);
texture.setName(textureKey.getName());
}
// Apply texture options to the texture
if (!textureOptionValues.isEmpty()) {
for (final TextureOptionValue textureOptionValue : textureOptionValues) {
textureOptionValue.applyToTexture(texture);
}
}
return texture;
}