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--- banjo_tooie:geometry_layouts [2020/04/22 18:48]
pfedak document new tooie commands
+++ banjo_tooie:geometry_layouts [2020/04/22 19:09] (current)
pfedak [Geometry Layouts]
@@ Line 1: / Line 1: @@
 ====== Geometry Layouts ======
-These scripts load display lists within the [[banjo_tooie:model_data|model file]], with certain aspects, properties, and checks applied. They are found at the end of a model file. Commands 0x00 through 0x10 are identical to those in [[banjo_kazooie:geometry_layouts|Banjo-Kazooie]], so we list only new commands. Note that level and skybox models can only use the old commands, and will not respect bone indices.
+These scripts load display lists within the [[banjo_tooie:model_data|model file]], with certain aspects, properties,
+and checks applied. They are found at the end of a model file. Commands 0x00 through 0x10 are identical to those in
+[[banjo_kazooie:geometry_layouts|Banjo-Kazooie]], so we list only new commands. Note that level and skybox models can
+only use the old commands, and will not respect bone indices.
+Almost all of the new commands involve enabling software lighting effects on some vertices. The lighting uses the model file's
+list of vertex normals, allowing lighting to be combined with vertex colors. Other than environment mapping (setting texture
+coordinates to simulate a reflective surface), effects aren't determined by the commands, and must be enabled by the object
+logic or other game conditions.
 ==== 0x11: LOAD DL (LIGHTING) ====
@@ Line 66: / Line 67: @@
 ----
-==== 0x18: LOAD DL ====
+==== 0x18: SKINNING (LIGHTING) ====
-Usage currently unknown.
+Equivalent to [[banjo_tooie:geometry_layouts#x12skinning_lighting|command 0x12]].
 ----
+*The "continue" value is the offset to the next sibling geo layout command. A zero means there is no next sibling,
+so processing goes up to the parent level or ends if this is the top level.

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