From ae59c294bfd4b73f6e751a3103c2ee7501068492 Mon Sep 17 00:00:00 2001
From: Federico Angelilli <code@fedang.net>
Date: Fri, 20 Sep 2024 23:57:19 +0200
Subject: Start parsing effects

---
 src/effect.c | 90 +++++++++++++++++++++++++++++++++---------------------------
 1 file changed, 49 insertions(+), 41 deletions(-)

(limited to 'src/effect.c')

diff --git a/src/effect.c b/src/effect.c
index 705c42d..9266979 100644
--- a/src/effect.c
+++ b/src/effect.c
@@ -1,53 +1,61 @@
-#include <math.h>
+#include <assert.h>
 
 #include "layout.h"
 #include "effect.h"
 #include "any_log.h"
 
-double cubic_bezier(double x, double a, double b, double c, double d)
-{
-	const double t = 1 - x;
-	return a * (t * t * t) + 3 * b * (t * t * x) + 3 * c * (t * x * x) + d * (x * x * x);
-}
-
-static void effect_pulse_pre(effect_t *effect, layout_t *layout, cairo_t *cr)
-{
-    struct timespec now;
-    timespec_get(&now, TIME_UTC);
-
-    // After half the duration we invert direction
-    struct timespec midpoint = timespec_div(effect->duration, 2);
-    struct timespec diff = timespec_diff(now, effect->start);
-
-    double t = timespec_greater(midpoint, diff)
-             ? (double)timespec_to_ms(diff) / timespec_to_ms(midpoint)
-             : 1.0 - (double)timespec_to_ms(timespec_diff(diff, midpoint)) / timespec_to_ms(midpoint);
-
-    // Make it customizable
-    double s = cubic_bezier(t, 0.19, 1.0, 0.22, 1.0);
-
-    // Make it a parameter
-    const double amplitude = 0.12;
-
-    // FIXME: The intent was to scale the animation for long blocks, but it needs more love
-    //
-    int x_max = amplitude * (layout->height + (layout->width / (double)layout->height) - 1);
-    int y_max = amplitude * layout->height;
-
-    layout->x_padding = layout->block->x_padding + x_max * s;
-    layout->y_padding = layout->block->y_padding + y_max * s;
-}
 
-effect_t *effect_pulse(struct timespec duration)
+//double cubic_bezier(double x, double a, double b, double c, double d)
+//{
+//	const double t = 1 - x;
+//	return a * (t * t * t) + 3 * b * (t * t * x) + 3 * c * (t * x * x) + d * (x * x * x);
+//}
+//
+//static void effect_pulse_pre(effect_t *effect, layout_t *layout, cairo_t *cr)
+//{
+//    struct timespec now;
+//    timespec_get(&now, TIME_UTC);
+//
+//    // After half the duration we invert direction
+//    struct timespec midpoint = timespec_div(effect->duration, 2);
+//    struct timespec diff = timespec_diff(now, effect->start);
+//
+//    double t = timespec_greater(midpoint, diff)
+//             ? (double)timespec_to_ms(diff) / timespec_to_ms(midpoint)
+//             : 1.0 - (double)timespec_to_ms(timespec_diff(diff, midpoint)) / timespec_to_ms(midpoint);
+//
+//    // Make it customizable
+//    double s = cubic_bezier(t, 0.19, 1.0, 0.22, 1.0);
+//
+//    // Make it a parameter
+//    const double amplitude = 0.12;
+//
+//    // FIXME: The intent was to scale the animation for long blocks, but it needs more love
+//    //
+//    int x_max = amplitude * (layout->height + (layout->width / (double)layout->height) - 1);
+//    int y_max = amplitude * layout->height;
+//
+//    layout->x_padding = layout->block->x_padding + x_max * s;
+//    layout->y_padding = layout->block->y_padding + y_max * s;
+//}
+//
+//effect_t *effect_pulse(struct timespec duration)
+//{
+//    effect_t *effect = calloc(1, sizeof(effect_t));
+//    effect->type = EFFECT_PULSE;
+//    effect->duration = duration;
+//    effect->pre = effect_pulse_pre;
+//    return effect;
+//}
+
+void effect_info_free(effect_info_t *info)
 {
-    effect_t *effect = calloc(1, sizeof(effect_t));
-    effect->type = EFFECT_PULSE;
-    effect->duration = duration;
-    effect->pre = effect_pulse_pre;
-    return effect;
+    free(info->state);
+    free(info);
 }
 
 void effect_free(effect_t *effect)
 {
-    free(effect);
+    assert(effect->info->finalize != NULL);
+    effect->info->finalize(effect);
 }
-- 
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