go

1 files changed, 67 insertions, 34 deletions

diff --git a/src/animation.c b/src/animation.c
index 1c5d893..48a5ff1 100644
--- a/src/animation.c
+++ b/src/animation.c
@@ -1,38 +1,71 @@
 #include "animation.h"
+#include "immdraw.h"
 #include "log.h"
 #include "maths.h"
+#include "maths_types.h"
+#include "ral_types.h"
+#include "transform_hierarchy.h"
 
-// keyframe animation_sample(animation_sampler *sampler, f32 t) {
-//   size_t previous_index = 0;
-//   f32 previous_time = 0.0;
-//   // look forwards
-//   // DEBUG("%d\n", sampler->animation.values.kind);
-//   TRACE("Total timestamps %d", sampler->animation.n_timestamps);
-//   for (u32 i = 0; i < sampler->animation.n_timestamps; i++) {
-//     f32 current_time = sampler->animation.timestamps[i];
-//     if (current_time > t) {
-//       break;
-//     }
-//     previous_time = sampler->animation.timestamps[i];
-//     previous_index = i;
-//   }
-
-//   size_t next_index = (previous_index + 1) % sampler->animation.n_timestamps;
-//   f32 next_time = sampler->animation.timestamps[next_index];
-//   printf("%d %f %d %f\n", previous_index, previous_time, next_index, next_time);
-
-//   keyframe prev_value = sampler->animation.values.values[previous_index];
-//   keyframe next_value = sampler->animation.values.values[next_index];
-
-//   printf("%d %d\n", previous_index, next_index);
-
-//   f32 time_diff =
-//       sampler->animation.timestamps[next_index] - sampler->animation.timestamps[previous_index];
-//   f32 percent = (t - previous_time) / time_diff;
-
-//   quat interpolated_rot =
-//       quat_slerp(sampler->animation.values.values[previous_index].rotation,
-//                  sampler->animation.values.values[next_index].rotation, percent);
-
-//   return (keyframe){ .rotation = interpolated_rot };
-// }
+Keyframe Animation_Sample(AnimationSampler* sampler, f32 t) {
+  size_t previous_index = 0;
+  f32 previous_time = 0.0;
+  // look forwards
+  DEBUG("%d\n", keyframe_kind_strings[sampler->animation.values.kind]);
+  TRACE("Total timestamps %d", sampler->animation.n_timestamps);
+  for (u32 i = 0; i < sampler->animation.n_timestamps; i++) {
+    f32 current_time = sampler->animation.timestamps[i];
+    if (current_time > t) {
+      break;
+    }
+    previous_time = sampler->animation.timestamps[i];
+    previous_index = i;
+  }
+
+  size_t next_index = (previous_index + 1) % sampler->animation.n_timestamps;
+  f32 next_time = sampler->animation.timestamps[next_index];
+  printf("%d %f %d %f\n", previous_index, previous_time, next_index, next_time);
+
+  Keyframe prev_value = sampler->animation.values.values[previous_index];
+  Keyframe next_value = sampler->animation.values.values[next_index];
+
+  printf("%d %d\n", previous_index, next_index);
+
+  f32 time_diff =
+      sampler->animation.timestamps[next_index] - sampler->animation.timestamps[previous_index];
+  f32 percent = (t - previous_time) / time_diff;
+
+  switch (sampler->animation.values.kind) {
+    case KEYFRAME_ROTATION:
+      return (Keyframe){ .rotation = quat_slerp(
+                             sampler->animation.values.values[previous_index].rotation,
+                             sampler->animation.values.values[next_index].rotation, percent) };
+    case KEYFRAME_TRANSLATION:
+    case KEYFRAME_SCALE:
+    case KEYFRAME_WEIGHTS:
+      WARN("TODO: other keyframe kind interpolation");
+      return prev_value;
+  }
+}
+
+void Animation_VisualiseJoints(Armature* armature) {
+  for (int j = 0; j < armature->joints->len; j++) {
+    Joint joint = armature->joints->data[j];
+    Transform tf = joint.transform_components;
+    tf.scale = vec3(0.05, 0.05, 0.05);
+    Immdraw_Sphere(tf, vec4(0, 1, 1, 1), true);
+  }
+}
+
+ShaderDataLayout AnimData_GetLayout(void* data) {
+  AnimDataUniform* d = data;
+  bool has_data = data != NULL;
+
+  ShaderBinding b1 = { .label = "AnimData",
+                       .kind = BINDING_BYTES,
+                       .data.bytes.size = sizeof(AnimDataUniform) };
+
+  if (has_data) {
+    b1.data.bytes.data = d;
+  }
+  return (ShaderDataLayout){ .bindings = { b1 }, .binding_count = 1 };
+}