/**
* Reads alist of ShaderNodes
*
* @param statements the list of statements to read
* @throws IOException
*/
public void readNodes(List<Statement> statements) throws IOException {
if (techniqueDef.getShaderNodes() == null) {
techniqueDef.setShaderNodes(new ArrayList<ShaderNode>());
techniqueDef.setShaderGenerationInfo(new ShaderGenerationInfo());
}
for (Statement statement : statements) {
String[] split = statement.getLine().split("[ \\{]");
if (statement.getLine().startsWith("ShaderNode ")) {
String name = statement.getLine().substring("ShaderNode".length()).trim();
if (nodes == null) {
nodes = new HashMap<String, ShaderNode>();
}
if (!nodes.containsKey(name)) {
shaderNode = new ShaderNode();
shaderNode.setName(name);
techniqueDef.getShaderGenerationInfo().getUnusedNodes().add(name);
readShaderNode(statement.getContents());
nodes.put(name, shaderNode);
techniqueDef.getShaderNodes().add(shaderNode);
} else {
throw new MatParseException("ShaderNode " + name + " is already defined", statement);
}
} else {
throw new MatParseException("ShaderNode", split[0], statement);
}
}
}
protected void computeConditions() {
updateConditions(vertexDeclaredUniforms);
updateConditions(fragmentDeclaredUniforms);
updateConditions(varyings);
for (DeclaredVariable v : varyings.values()) {
for (ShaderNode sn : techniqueDef.getShaderNodes()) {
if (sn.getDefinition().getType() == Shader.ShaderType.Vertex) {
for (VariableMapping mapping : sn.getInputMapping()) {
if (mapping.getLeftVariable().equals(v.var)) {
if (mapping.getCondition() == null || v.var.getCondition() == null) {
mapping.setCondition(v.var.getCondition());
} else {
mapping.setCondition(
"(" + mapping.getCondition() + ") || (" + v.var.getCondition() + ")");
}
}
}
}
}
}
updateConditions(attributes);
// updateConditions(fragmentGlobals);
// vertexGlobal.makeCondition();
}