/**
* finds an UniformBinding representing a WorldParam from the techniqueDef
*
* @param varName the name of the WorldParam
* @return the corresponding UniformBinding to the WorldParam
*/
protected UniformBinding findWorldParam(String varName) {
for (UniformBinding worldParam : techniqueDef.getWorldBindings()) {
if (varName.equals(worldParam.toString())) {
return worldParam;
}
}
return null;
}
/**
* 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;
}