improving the way I load animation data and store it. Load -> Tick(Armature*) -> RenderEnt.Armature -> matrix shenanigans

1 files changed, 20 insertions, 1 deletions

diff --git a/src/animation.c b/src/animation.c
index 48a5ff1..274602c 100644
--- a/src/animation.c
+++ b/src/animation.c
@@ -4,7 +4,6 @@
 #include "maths.h"
 #include "maths_types.h"
 #include "ral_types.h"
-#include "transform_hierarchy.h"
 
 Keyframe Animation_Sample(AnimationSampler* sampler, f32 t) {
   size_t previous_index = 0;
@@ -47,6 +46,26 @@ Keyframe Animation_Sample(AnimationSampler* sampler, f32 t) {
   }
 }
 
+void Animation_Tick(AnimationClip* clip, Armature* armature, f32 time) {
+    TRACE("Ticking animation %s", clip->clip_name);
+
+    for (u32 c_i = 0; c_i < clip->channels->len; c_i++) {
+        AnimationSampler* sampler = clip->channels->data;
+
+        // Interpolated keyframe based on time
+        Keyframe k = Animation_Sample(sampler, time);
+
+        // Get the joint in the armature
+        Joint* joint = &armature->joints->data[sampler->target_joint_idx];
+        if (sampler->animation.values.kind == KEYFRAME_ROTATION) {
+            // Update the joints rotation
+            joint->transform_components.rotation = k.rotation;
+        } else {
+            WARN("not yet implemented animation kind");
+        }
+    }
+}
+
 void Animation_VisualiseJoints(Armature* armature) {
   for (int j = 0; j < armature->joints->len; j++) {
     Joint joint = armature->joints->data[j];