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-rw-r--r--src/modules/drizzle/drizzle.c26
1 files changed, 23 insertions, 3 deletions
diff --git a/src/modules/drizzle/drizzle.c b/src/modules/drizzle/drizzle.c
index 56eaf83..9445da6 100644
--- a/src/modules/drizzle/drizzle.c
+++ b/src/modules/drizzle/drizzle.c
@@ -22,12 +22,14 @@
#include "til.h"
#include "til_fb.h"
#include "til_module_context.h"
+#include "til_stream.h"
+#include "til_tap.h"
#include "puddle/puddle.h"
/* TODO: make size a setting from like 128-1024, and cnt something settable for a fraction per frame (one every Nth frame) up to 20 per frame, though it should probably be less framerate dependent */
#define PUDDLE_SIZE 512
-#define DRIZZLE_CNT 20
+#define RAINFALL_CNT 20
#define DEFAULT_VISCOSITY .01
#define DEFAULT_STYLE DRIZZLE_STYLE_MASK
@@ -52,6 +54,15 @@ typedef struct drizzle_setup_t {
typedef struct drizzle_context_t {
til_module_context_t til_module_context;
+ struct {
+ til_tap_t viscosity, rainfall;
+ } taps;
+
+ struct {
+ float viscosity, rainfall;
+ } vars;
+
+ float *viscosity, *rainfall;
til_fb_fragment_t *snapshot;
puddle_t *puddle;
drizzle_setup_t setup;
@@ -102,6 +113,9 @@ static til_module_context_t * drizzle_create_context(const til_module_t *module,
return NULL;
}
+ ctxt->taps.viscosity = til_tap_init_float(ctxt, &ctxt->viscosity, 1, &ctxt->vars.viscosity, "viscosity");
+ ctxt->taps.rainfall = til_tap_init_float(ctxt, &ctxt->rainfall, 1, &ctxt->vars.rainfall, "rainfall");
+
ctxt->setup = *(drizzle_setup_t *)setup;
return &ctxt->til_module_context;
@@ -121,9 +135,15 @@ static void drizzle_prepare_frame(til_module_context_t *context, til_stream_t *s
{
drizzle_context_t *ctxt = (drizzle_context_t *)context;
+ if (!til_stream_tap_context(stream, context, NULL, &ctxt->taps.viscosity))
+ *ctxt->viscosity = ctxt->setup.viscosity;
+
+ if (!til_stream_tap_context(stream, context, NULL, &ctxt->taps.rainfall))
+ *ctxt->rainfall = RAINFALL_CNT;
+
*res_frame_plan = (til_frame_plan_t){ .fragmenter = til_fragmenter_slice_per_cpu };
- for (int i = 0; i < DRIZZLE_CNT; i++) {
+ for (unsigned i = 0; i < (unsigned)*ctxt->rainfall; i++) {
int x = rand_r(&ctxt->til_module_context.seed) % (PUDDLE_SIZE - 1);
int y = rand_r(&ctxt->til_module_context.seed) % (PUDDLE_SIZE - 1);
@@ -137,7 +157,7 @@ static void drizzle_prepare_frame(til_module_context_t *context, til_stream_t *s
puddle_set(ctxt->puddle, x + 1, y + 1, 1.f);
}
- puddle_tick(ctxt->puddle, ctxt->setup.viscosity);
+ puddle_tick(ctxt->puddle, *ctxt->viscosity);
if ((*fragment_ptr)->cleared)
ctxt->snapshot = til_fb_fragment_snapshot(fragment_ptr, 0);
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