From 6fde17649f7404e79a17d4d8f96662d03011aca1 Mon Sep 17 00:00:00 2001
From: 3gg <3gg@shellblade.net>
Date: Thu, 30 Oct 2025 20:08:53 -0700
Subject: Move animation module outside of scene/

---
 src/scene/animation_impl.h | 96 ----------------------------------------------
 1 file changed, 96 deletions(-)
 delete mode 100644 src/scene/animation_impl.h

(limited to 'src/scene/animation_impl.h')

diff --git a/src/scene/animation_impl.h b/src/scene/animation_impl.h
deleted file mode 100644
index ef1492c..0000000
--- a/src/scene/animation_impl.h
+++ /dev/null
@@ -1,96 +0,0 @@
-#pragma once
-
-#include <gfx/scene/animation.h>
-#include <gfx/sizes.h>
-
-#include "types.h"
-
-#include <cstring.h>
-#include <math/defs.h>
-#include <math/mat4.h>
-#include <math/quat.h>
-#include <math/vec3.h>
-
-#include <stddef.h>
-
-typedef struct Buffer Buffer;
-
-// Currently ignoring scale in skinning and animation.
-//
-// TODO: Simultaneous animation of disjoint animations.
-
-/// Skeleton joint.
-/// Joints are mutable and store the transform and joint matrices that result
-/// from animation, aside from the inverse bind matrix.
-typedef struct Joint {
-  joint_idx child;       // First child Joint; index into Anima's joints.
-  joint_idx next;        // Next sibling Joint; index into Anima's joints.
-  mat4      transform;   // Local transform relative to parent.
-  mat4  inv_bind_matrix; // Transforms the mesh into the joint's local space.
-  mat4  joint_matrix;    // inv(global) * global joint transform * inv(bind).
-  aabb3 box;             // Bounding box of vertices affected by joint.
-} Joint;
-
-/// Animation skeleton.
-typedef struct Skeleton {
-  skeleton_idx next;
-  size_t       num_joints;
-  joint_idx    joints[GFX_MAX_NUM_JOINTS]; // Indices into Anima's joints array.
-} Skeleton;
-
-/// A keyframe of animation.
-typedef struct Keyframe {
-  R time; // Start time in [0, end animation time]
-  union {
-    vec3 translation;
-    quat rotation;
-  };
-} Keyframe;
-
-/// Animation channel.
-typedef struct Channel {
-  joint_idx              target; // Index into Anima's joints array.
-  ChannelType            type;
-  AnimationInterpolation interpolation;
-  size_t                 num_keyframes;
-  Keyframe               keyframes[GFX_MAX_NUM_KEYFRAMES];
-} Channel;
-
-/// A skeletal animation.
-typedef struct Animation {
-  animation_idx next;
-  sstring       name;
-  R             duration;
-  size_t        num_channels;
-  Channel       channels[GFX_MAX_NUM_CHANNELS];
-} Animation;
-
-/// Animation state.
-///
-/// This represents the current state of an animation.
-typedef struct AnimationState {
-  R start_time; // Time when the current animation started playing. -1 means the
-                // animation playback has not yet been initialized.
-  animation_idx animation; // Current animation. 0 = no animation.
-  bool          loop;
-} AnimationState;
-
-/// Animation object.
-///
-/// This is the top-level animation object that encapsulates everything
-/// necessary for animation.
-///
-/// For lack of a better name, this is called an Anima. It is short and the
-/// Latin root of animation.
-///
-/// The last joint of the joints array at index 'num_joints - 1' is the root of
-/// all skeletons; specifically, the root of all joints that otherwise would
-/// have no parent (a skeleton need not have its own root and can be a set of
-/// disjoint node hierarchies).
-typedef struct Anima {
-  skeleton_idx   skeleton;   // Index of first skeleton.
-  animation_idx  animation;  // Index of first animation.
-  AnimationState state;      // Current animation state.
-  size_t         num_joints; // Number of actual joints in the array.
-  Joint          joints[GFX_MAX_NUM_JOINTS]; // Shared by all skeletons.
-} Anima;
-- 
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