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banjo_kazooie:animations [2024/11/26 14:32] BanjoFreak64 [Element Header] |
banjo_kazooie:animations [2024/11/26 16:27] (current) BanjoFreak64 [Transform Structure] |
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| ======== Animation Data ======== | ======== Animation Data ======== | ||
| - | Banjo-Kazooie uses animation files comprised of a list of Internal Bone IDs, their transformation type (scale, rotate or translate), and across which frames of an animation these transformations occur. Animation indices can be found by searching the [[https://hack64.net/wiki/doku.php?id=banjo_kazooie:rom_map | Rom Map]]. | + | Banjo-Kazooie uses animation files comprised of a list of [[https://hack64.net/wiki/doku.php?id=banjo_kazooie:model_data#animation_setup:~:text=ii%20ii%5D-,Internal%20Bone%20ID,-0x000E|Internal Bone IDs]], their transformation type (scale, rotate or translate), and across which frames of an animation these transformations occur. Animation indices can be found in the [[https://hack64.net/wiki/doku.php?id=banjo_kazooie:rom_map | Rom Map]]. |
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| ''<color #ed1c24>00 0F</color> <color #ffaec9>00 A5</color> <color #a800ff>00 48</color> 00 00'' | ''<color #ed1c24>00 0F</color> <color #ffaec9>00 A5</color> <color #a800ff>00 48</color> 00 00'' | ||
| - | Loads an animation beginning at frame 15 (0x0F) and ending at frame 165 (0xA5) with 72 (0x48) elements across those frames. | + | Loads an animation beginning at frame 15 (<color #ed1c24>0x0F</color>) and ending at frame 165 (<color #ffaec9>0xA5</color>) with 72 (<color #a800ff>0x48</color>) elements across those frames. |
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| ''<color #00c6ff>00 1</color><color #ff8a00>0</color> <color #5724ff>00 09</color>'' | ''<color #00c6ff>00 1</color><color #ff8a00>0</color> <color #5724ff>00 09</color>'' | ||
| - | This element targets Internal Bone ID 0x1, rotates the bone around the X axis, and does this at 9 different points between frames 15 and 165. | + | This element targets Internal Bone ID 1 (<color #00c6ff>0x1</color>), rotates the bone around the X axis (<color #ff8a00>0x0</color>), and does this at 9 (<color #5724ff>0x9</color>) different points between frames 15 and 165. |
| ^ *Transform Type ^ Value ^ | ^ *Transform Type ^ Value ^ | ||
| Line 44: | Line 44: | ||
| | Z Translation | 8 | | | Z Translation | 8 | | ||
| ===== Transform Structure ===== | ===== Transform Structure ===== | ||
| - | Transform structure is repeated for instances [<color #5724ff>cc cc</color>] where <color #5724ff>cc cc</color> = Data Count from the preceding element header prior to introducing the next element header. The first two bytes of data contain two bitwise parameters representing unknown values and fourteen bits which determine the frame of each transformation. | + | The transform structure details the frames in which a transformation of the bone occurs and by how much the bone moves between frames with respect to the scale of the model (transform factor). Transform structure is repeated for instances [<color #5724ff>cc cc</color>] before introducing the next element header where [<color #5724ff>cc cc</color>] = [[https://hack64.net/wiki/doku.php?id=banjo_kazooie:animations#element_header:~:text=0x0004-,%5Bcc%20cc%5D,-Data%20Count|Data Count]]. The first two bytes of data contain two bits representing unknown values and fourteen bits which determine the frame of a transformation. |
| - | Bitwise Parameters: | + | *Bitwise Parameters: |
| - | ''[<color #99d9ea>D</color><color #c3c3c3>E</color> <color #22b14c>FF FF FF FF FF FF FF</color>]'' | + | [<color #ed1c24>xx xx</color>] => ''[<color #99d9ea>D</color><color #c3c3c3>E</color> <color #22b14c>FF FF FF FF FF FF FF</color>]'' |
| | <color #99d9ea>D</color> | Unknown 1 | | | <color #99d9ea>D</color> | Unknown 1 | | ||
| Line 54: | Line 54: | ||
| | <color #22b14c>FF FF FF FF FF FF FF</color> | Frame of Transformation | | | <color #22b14c>FF FF FF FF FF FF FF</color> | Frame of Transformation | | ||
| - | Following this information, the transformation factor can be found located at byte 0x2 | + | So data for each transform structure can best be represented like this: |
| ^ Offset from End of Element Header ^ Value / Syntax ^ Description ^ | ^ Offset from End of Element Header ^ Value / Syntax ^ Description ^ | ||
| - | | 0x0002| [<color #fff200>gg gg</color>] | Transform Factor | | + | | 0x0000 | [<color #ed1c24>xx xx</color>] | *Bitwise Parameters for <color #99d9ea>Unk1</color>, <color #c3c3c3>Unk2</color>, and <color #22b14c>Frame of Transformation</color> | |
| + | | 0x0002 | [<color #fff200>gg gg</color>] | Transform Factor | | ||
| **Example (60f0.bin, Banjo's Backflip at address 0x0C):** | **Example (60f0.bin, Banjo's Backflip at address 0x0C):** | ||
| - | ''<color #99d9ea>C</color><color #22b14c>0 0F</color> <color #fff200>15 E6</color>'' | + | ''<color #ed1c24>C0 0F</color> <color #fff200>15 E6</color>'' |
| - | At frame 15 (0xF), transform by a factor of 87.59375 (0x15E6). | + | At frame 15 (<color #22b14c>0xF</color>), two bitwise parameters are set as true (if [<color #99d9ea>d</color>] = <color #99d9ea>1</color> and [<color #c3c3c3>e</color>] = <color #c3c3c3>1</color>, then the remaining two bits must return false to equal 0x<color #ed1c24>C</color>) and then the bone transforms by a factor of 87.59375 (<color #fff200>0x15E6</color>). |
banjo_kazooie/animations.1732631540.txt.gz · Last modified: 2024/11/26 14:32 by BanjoFreak64