Expand on AEP docs

EslamAwad77 · Apr 26, 2023 · cee9d30 · cee9d30
1 parent 6340b05
commit cee9d30
Show file tree

Hide file tree

Showing 3 changed files with 56 additions and 12 deletions.
diff --git a/docs/aep.md b/docs/aep.md
@@ -203,6 +203,10 @@ the first 4 bytes of {sl:`opti`} will change based on the file format.
     * {sl:`cmta`}: (optional) Comment
     * {sl:`LIST` `tdgp`}: [Property group](#property-groups)
 
+When parsing layer transforms, keep in mind the default position is the center of the comp.
+For shape layers, the default anchor is \[0, 0\];
+for precomp layers the default anchor is the center of the comp (same as position).
+
 #### Asset Layer
 
 Layer type `0`.
@@ -360,6 +364,16 @@ Follows the usual {sl:`LIST` `tdbs`}, check {sl:`tdb4`} for the "Integer" proper
 * {sl:`mkif`}: Basic mask properties
 * {sl:`LIST` `tdgp`}: Animated properties
 
+#### Layer Overrides
+
+* `LIST OvG2`
+    * `CprC`: `uint32`?
+
+#### Layer Source Alternate
+
+* `blsv`: `uint32` Layer index?
+* `blsi`: `uint32`
+
 #### Chunk naming
 
 Most of property related chunks seem to contain the prefix `td` in their name:
@@ -480,6 +494,10 @@ ADBE Time Remapping : prop=tm
 ADBE Effect Parade : prop=ef
 ADBE Marker : Markers
 ADBE Mask Parade : prop=masksProperties
+ADBE Plane Options Group :
+ADBE Data Group :
+ADBE Layer Overrides :
+ADBE Source Options Group :
 
 {aep_mn}
 ADBE Camera Options Group : object=layers/camera-layer : Marks a layer as a camera layer
@@ -493,6 +511,24 @@ ADBE Mask Offset : prop=x : 0
 ADBE Mask Feather : : \[0, 0\]
 ADBE Mask Opacity : prop=0 : 100
 
+{aep_mn}
+ADBE Extrsn Options Group :
+ADBE Bevel Direction :
+
+{aep_mn}
+ADBE Material Options Group :
+ADBE Appears in Reflections :
+ADBE Reflection Coefficient :
+ADBE Glossiness Coefficient :
+ADBE Fresnel Coefficient :
+ADBE Transparency Coefficient :
+ADBE Transp Rolloff :
+ADBE Index of Refraction :
+
+{aep_mn}
+ADBE Source Options Group :
+ADBE Layer Source Alternate
+
 ### Shapes
 
 {aep_mn}
@@ -1232,18 +1268,17 @@ All keyframe items start like this:
 |                   | 1  |              |                                                       |
 | Time              | 2  | Time         | Time of the keyframe, seems they always start from 0. |
 |                   | 2  |              |                                                       |
-| Attributes        | 1  | Flags        |                                                       |
+| Ease Mode         | 1  | `uint8`      |                                                       |
 | Label Color       | 1  | `uint8`      | Color index, see {sl:`ldta`} for values               |
-| Extra Attributes  | 1  | Flags        |                                                       |
-
-Attributes:
+| Attributes        | 1  | Flags        |                                                       |
 
-* Linear (0, 0) seems to be on then Ease is off
-* Ease (0, 1)
-* Hold (0, 2)
+Ease Mode:
+1. Linear
+2. Ease
+3. Hold
 
 
-Extra Attributes:
+Attributes:
 
 Least significant 3 bits seems to always be on.
 

diff --git a/docs/layers.md b/docs/layers.md
@@ -88,8 +88,10 @@ follows the path (`ao` is 1).
 A matte allows using a layer as a mask for another layer.
 
 The way it works is the layer defining the mask has a `tt` attribute with the
-appropriate [value](constants.md#mattemode)
-and it affects the layer on top (the layer before it in the layer list, which has the `td` attribute).
+appropriate [value](constants.md#mattemode).
+By defaults it affects the layer on top (the layer before it in the layer list, which has the `td` attribute),
+otherwise check the `tp` attribute.
+
 
 In this example there's a layer with a rectangle and a star being masked by an ellipse:
 

diff --git a/docs/schema/layers/visual-layer.json b/docs/schema/layers/visual-layer.json
@@ -29,12 +29,19 @@
                 "tt": {
                     "title": "Matte Mode",
                     "caniuse": "property-matte-mask",
-                    "$ref": "#/$defs/constants/matte-mode"
+                    "$ref": "#/$defs/constants/matte-mode",
+                    "description": "Defines the track matte mode for the layer"
+                },
+                "tp": {
+                    "title": "Matte Parent",
+                    "type": "integer",
+                    "description": "Index of the layer used as matte, if omitted assume the layer above the current one"
                 },
                 "td": {
                     "title": "Matte Target",
                     "caniuse": "property-matte-mask",
-                    "type": "integer"
+                    "type": "#/$defs/helpers/int-boolean",
+                    "description": "If set to 1, it means a layer is using this layer as a track matte"
                 },
                 "hasMask": {
                     "title": "Has Masks",