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-rw-r--r--src/modules/rocket/Makefile.am3
-rw-r--r--src/modules/rocket/rocket.c138
2 files changed, 141 insertions, 0 deletions
diff --git a/src/modules/rocket/Makefile.am b/src/modules/rocket/Makefile.am
new file mode 100644
index 0000000..96da9aa
--- /dev/null
+++ b/src/modules/rocket/Makefile.am
@@ -0,0 +1,3 @@
+noinst_LTLIBRARIES = librocket.la
+librocket_la_SOURCES = rocket.c
+librocket_la_CPPFLAGS = -I@top_srcdir@/src -I@top_srcdir@/src/libs -I@top_srcdir@/src/libs/rocket/rocket/lib
diff --git a/src/modules/rocket/rocket.c b/src/modules/rocket/rocket.c
new file mode 100644
index 0000000..1ad2c51
--- /dev/null
+++ b/src/modules/rocket/rocket.c
@@ -0,0 +1,138 @@
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include "til.h"
+#include "til_fb.h"
+#include "til_module_context.h"
+#include "til_settings.h"
+#include "til_util.h"
+
+#include "txt/txt.h"
+
+/* Copyright (C) 2023 - Vito Caputo <vcaputo@pengaru.com> */
+
+/* This implements a rudimentary sequencing module varying
+ * "tapped" variables of other modules on a timeline via
+ * GNU Rocket.
+ */
+
+typedef struct rocket_context_t {
+ til_module_context_t til_module_context;
+
+ const til_module_t *module;
+ til_module_context_t *module_ctxt;
+ char *module_settings;
+} rocket_context_t;
+
+typedef struct rocket_setup_t {
+ til_setup_t til_setup;
+ const char *module;
+} rocket_setup_t;
+
+static rocket_setup_t rocket_default_setup = { .module = "rtv" };
+
+
+static til_module_context_t * rocket_create_context(til_stream_t *stream, unsigned seed, unsigned ticks, unsigned n_cpus, char *path, til_setup_t *setup)
+{
+ rocket_context_t *ctxt;
+ const til_module_t *module;
+
+ if (!setup)
+ setup = &rocket_default_setup.til_setup;
+
+ module = til_lookup_module(((rocket_setup_t *)setup)->module);
+ if (!module)
+ return NULL;
+
+ ctxt = til_module_context_new(stream, sizeof(rocket_context_t), seed, ticks, n_cpus, path);
+ if (!ctxt)
+ return NULL;
+
+ ctxt->module = module;
+
+ {
+ til_setup_t *module_setup = NULL;
+
+ (void) til_module_randomize_setup(ctxt->module, rand_r(&seed), &module_setup, NULL);
+
+ (void) til_module_create_context(ctxt->module, stream, rand_r(&seed), ticks, 0, path, module_setup, &ctxt->module_ctxt);
+ til_setup_free(module_setup);
+ }
+
+ return &ctxt->til_module_context;
+}
+
+
+static void rocket_destroy_context(til_module_context_t *context)
+{
+ rocket_context_t *ctxt = (rocket_context_t *)context;
+
+ til_module_context_free(ctxt->module_ctxt);
+ free(context);
+}
+
+
+static void rocket_render_fragment(til_module_context_t *context, til_stream_t *stream, unsigned ticks, unsigned cpu, til_fb_fragment_t **fragment_ptr)
+{
+ rocket_context_t *ctxt = (rocket_context_t *)context;
+
+ til_module_render(ctxt->module_ctxt, stream, ticks, fragment_ptr);
+}
+
+
+static int rocket_setup(const til_settings_t *settings, til_setting_t **res_setting, const til_setting_desc_t **res_desc, til_setup_t **res_setup)
+{
+ const char *module;
+ int r;
+
+ r = til_settings_get_and_describe_value(settings,
+ &(til_setting_desc_t){
+ .name = "Module to sequence",
+ .key = "module",
+ .preferred = "rtv",
+ .annotations = NULL,
+ },
+ &module,
+ res_setting,
+ res_desc);
+ if (r)
+ return r;
+
+ /* turn layers colon-separated list into a null-terminated array of strings */
+ if (res_setup) {
+ const til_module_t *til_module;
+ rocket_setup_t *setup;
+
+ if (!strcmp(module, "rocket"))
+ return -EINVAL;
+
+ til_module = til_lookup_module(module);
+ if (!til_module)
+ return -ENOENT;
+
+ if (til_module->flags & (TIL_MODULE_HERMETIC | TIL_MODULE_EXPERIMENTAL))
+ return -EINVAL;
+
+ setup = til_setup_new(sizeof(*setup), (void(*)(til_setup_t *))free);
+ if (!setup)
+ return -ENOMEM;
+
+ setup->module = til_module->name;
+
+ *res_setup = &setup->til_setup;
+ }
+
+ return 0;
+}
+
+
+til_module_t rocket_module = {
+ .create_context = rocket_create_context,
+ .destroy_context = rocket_destroy_context,
+ .render_fragment = rocket_render_fragment,
+ .name = "rocket",
+ .description = "GNU Rocket module sequencer",
+ .setup = rocket_setup,
+ .flags = TIL_MODULE_HERMETIC | TIL_MODULE_EXPERIMENTAL,
+};
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