104 lines
2.9 KiB
C
104 lines
2.9 KiB
C
#include "../graph.h"
|
|
#include "../module_registry.h"
|
|
|
|
typedef struct {
|
|
GraphNode as_GraphNode;
|
|
ModifierSet modifiers;
|
|
ModifierOperation operation;
|
|
} ModifiersGraphNode;
|
|
|
|
static bool
|
|
handle_event(EventPositionBase * self, EventNode * event)
|
|
{
|
|
ModifiersGraphNode *node = DOWNCAST(ModifiersGraphNode, GraphNode, DOWNCAST(GraphNode, EventPositionBase, self));
|
|
size_t count = node->as_GraphNode.outputs.length;
|
|
if (!count) {
|
|
event_destroy(event);
|
|
return true;
|
|
}
|
|
modifier_set_operation_from(&event->data.modifiers, node->modifiers, node->operation);
|
|
if (count > 1) {
|
|
count = event_replicate(event, count - 1) + 1;
|
|
}
|
|
for (size_t i = 0; i < count; ++i) {
|
|
event->position = &node->as_GraphNode.outputs.elements[i]->as_EventPositionBase;
|
|
event = event->next;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static GraphNode *
|
|
create(GraphNodeSpecification * spec, GraphNodeConfig * config, InitializationEnvironment * env)
|
|
{
|
|
(void) config;
|
|
(void) env;
|
|
ModifiersGraphNode * node = T_ALLOC(1, ModifiersGraphNode);
|
|
if (!node) {
|
|
return NULL;
|
|
}
|
|
|
|
const char *operation_name;
|
|
config_setting_lookup_string(config->options, "operation", &operation_name);
|
|
ModifierOperation op = modifier_operation_parse(operation_name);
|
|
if (op < 0) {
|
|
free(node);
|
|
return NULL;
|
|
}
|
|
|
|
config_setting_t *modifiers_setting = config_setting_get_member(config->options, "modifiers");
|
|
if (!modifiers_setting) {
|
|
free(node);
|
|
return NULL;
|
|
}
|
|
|
|
ModifierSet modifier_set = EMPTY_MODIFIER_SET;
|
|
size_t length = config_setting_length(modifiers_setting);
|
|
for (size_t i = 0; i < length; ++i) {
|
|
long long mod = env_resolve_constant_or(env, config_setting_get_elem(modifiers_setting, i), -1);
|
|
if (mod < 0 || mod > MODIFIER_MAX) {
|
|
continue;
|
|
}
|
|
modifier_set_set(&modifier_set, mod);
|
|
}
|
|
|
|
*node = (ModifiersGraphNode) {
|
|
.as_GraphNode = {
|
|
.as_EventPositionBase = {
|
|
.handle_event = &handle_event,
|
|
.waiting_new_event = false,
|
|
},
|
|
.specification = spec,
|
|
.inputs = EMPTY_GRAPH_CHANNEL_LIST,
|
|
.outputs = EMPTY_GRAPH_CHANNEL_LIST,
|
|
},
|
|
.modifiers = modifier_set,
|
|
.operation = op,
|
|
};
|
|
return &node->as_GraphNode;
|
|
}
|
|
|
|
static void destroy
|
|
(GraphNodeSpecification * self, GraphNode * target)
|
|
{
|
|
(void) self;
|
|
ModifiersGraphNode * node = DOWNCAST(ModifiersGraphNode, GraphNode, target);
|
|
modifier_set_destruct(&node->modifiers);
|
|
free(target);
|
|
}
|
|
|
|
GraphNodeSpecification nodespec_modifiers = (GraphNodeSpecification) {
|
|
.create = &create,
|
|
.destroy = &destroy,
|
|
.register_io = NULL,
|
|
.name = "modifiers",
|
|
.documentation = "Sets/unsets/toggles modifiers in an event\nAccepts events on any connector\nSends events on all connectors"
|
|
"\nOption 'operation' (required): the operation to apply to the event modifier set ('set'/'unset'/'toggle')"
|
|
"\nOption 'modifiers' (required): collection of integers --- the set of modifiers to operate on"
|
|
,
|
|
};
|
|
|
|
MODULE_CONSTRUCTOR(init)
|
|
{
|
|
register_graph_node_specification(&nodespec_modifiers);
|
|
}
|