/**
* updates a variable from the Attribute list
*
* @param right the variable
* @param mapping the mapping
*/
public void updateVarFromAttributes(ShaderNodeVariable right, VariableMapping mapping) {
DeclaredVariable dv = attributes.get(right.getName());
if (dv == null) {
dv = new DeclaredVariable(right);
attributes.put(right.getName(), dv);
updateRightTypeFromLeftType(mapping);
} else {
mapping.setRightVariable(dv.var);
}
dv.addNode(shaderNode);
}
/**
* updates the right variable of the given mapping from a MatParam (a WorldParam) it checks if the
* unifrom hasn't already been loaded, add it to the maps if not.
*
* @param param the MatParam
* @param mapping the mapping
* @param map the map of uniforms to search into
* @return true if the param was added to the map
*/
public boolean updateRightFromUniforms(
MatParam param,
VariableMapping mapping,
Map<String, DeclaredVariable> map,
Statement statement)
throws MatParseException {
ShaderNodeVariable right = mapping.getRightVariable();
DeclaredVariable dv = map.get(param.getPrefixedName());
if (dv == null) {
right.setType(param.getVarType().getGlslType());
right.setName(param.getPrefixedName());
if (mapping.getLeftVariable().getMultiplicity() != null) {
if (!param.getVarType().name().endsWith("Array")) {
throw new MatParseException(param.getName() + " is not of Array type", statement);
}
String multiplicity = mapping.getLeftVariable().getMultiplicity();
try {
Integer.parseInt(multiplicity);
} catch (NumberFormatException nfe) {
// multiplicity is not an int attempting to find for a material parameter.
MatParam mp = findMatParam(multiplicity);
if (mp != null) {
addDefine(multiplicity, VarType.Int);
multiplicity = multiplicity.toUpperCase();
} else {
throw new MatParseException(
"Wrong multiplicity for variable"
+ mapping.getLeftVariable().getName()
+ ". "
+ multiplicity
+ " should be an int or a declared material parameter.",
statement);
}
}
right.setMultiplicity(multiplicity);
}
dv = new DeclaredVariable(right);
map.put(right.getName(), dv);
dv.addNode(shaderNode);
mapping.setRightVariable(right);
return true;
}
dv.addNode(shaderNode);
mapping.setRightVariable(dv.var);
return false;
}
/**
* updates the right variable of the given mapping from a UniformBinding (a WorldParam) it checks
* if the unifrom hasn't already been loaded, add it to the maps if not.
*
* @param param the WorldParam UniformBinding
* @param mapping the mapping
* @param map the map of uniforms to search into
* @return true if the param was added to the map
*/
protected boolean updateRightFromUniforms(
UniformBinding param, VariableMapping mapping, Map<String, DeclaredVariable> map) {
ShaderNodeVariable right = mapping.getRightVariable();
String name = "g_" + param.toString();
DeclaredVariable dv = map.get(name);
if (dv == null) {
right.setType(param.getGlslType());
right.setName(name);
dv = new DeclaredVariable(right);
map.put(right.getName(), dv);
dv.addNode(shaderNode);
mapping.setRightVariable(right);
return true;
}
dv.addNode(shaderNode);
mapping.setRightVariable(dv.var);
return false;
}
/**
* store a varying
*
* @param node the shaderNode
* @param variable the variable to store
*/
public void storeVaryings(ShaderNode node, ShaderNodeVariable variable) {
variable.setShaderOutput(true);
if (node.getDefinition().getType() == Shader.ShaderType.Vertex
&& shaderNode.getDefinition().getType() == Shader.ShaderType.Fragment) {
DeclaredVariable dv = varyings.get(variable.getName());
if (dv == null) {
techniqueDef.getShaderGenerationInfo().getVaryings().add(variable);
dv = new DeclaredVariable(variable);
varyings.put(variable.getName(), dv);
}
dv.addNode(shaderNode);
// if a variable is declared with the same name as an input and an output and is a varying,
// set it as a shader output so it's declared as a varying only once.
for (VariableMapping variableMapping : node.getInputMapping()) {
if (variableMapping.getLeftVariable().getName().equals(variable.getName())) {
variableMapping.getLeftVariable().setShaderOutput(true);
}
}
}
}
private void updateConditions(Map<String, DeclaredVariable> map) {
for (DeclaredVariable declaredVariable : map.values()) {
declaredVariable.makeCondition();
}
}