From a1931185d8f4cf6755e05a8849606c7530880ada Mon Sep 17 00:00:00 2001
From: Martin Felis <martin@fysx.org>
Date: Sun, 26 Mar 2023 18:53:32 +0200
Subject: [PATCH] Simple AnimationPlayer now working.

---
 src/main.cc | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/src/main.cc b/src/main.cc
index 32a3995..4401b52 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -65,7 +65,7 @@ static struct {
   struct {
     ozz::animation::Animation* animation = nullptr;
     ozz::animation::SamplingJob sampling_job;
-    ozz::animation::SamplingJob::Context* m_sampling_context = nullptr;
+    ozz::vector<ozz::math::SoaTransform> local_matrices;
   } ozz;
   sg_pass_action pass_action;
   Camera camera;
@@ -690,6 +690,8 @@ int main() {
         }
 
         if (state.ozz.animation != nullptr) {
+          ImGui::SameLine();
+
           ImGui::SliderFloat(
               "Time",
               &state.time.absolute,
@@ -702,8 +704,20 @@ int main() {
         ImGui::End();
       }
 
-      // TODO: add AnimGraph to calculate pose
-      // skinned_mesh.CalcModelMatrices();
+      if (state.ozz.animation != nullptr) {
+        state.ozz.sampling_job.animation = state.ozz.animation;
+        state.ozz.sampling_job.ratio =
+            state.time.absolute / state.ozz.animation->duration();
+        state.ozz.sampling_job.context = &skinned_mesh.m_sampling_context;
+        state.ozz.sampling_job.output = ozz::make_span(skinned_mesh.m_local_matrices);
+
+        if(!state.ozz.sampling_job.Run()) {
+          ozz::log::Err() << "Error sampling animation." << std::endl;
+        }
+
+        // TODO: add AnimGraph to calculate pose
+        skinned_mesh.CalcModelMatrices();
+      }
 
       sgl_defaults();
       sgl_matrix_mode_projection();