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--- sm64:behavior_commands [2017/06/23 10:17]
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-======== Behavior Commands ========
-The behavior layout commands define how the objects and Mario are initialized and interact.  Like the [[sm64:geometry_layout_commands]], the behavior commands start with a type byte and have no length byte.
-===== Behavior Commands =====
-==== 00: Start ====
-Marks start of behavior. If haunted chair (4FD4) or mad piano (5024), it calls BehCommonInit (802A4120). If it is message panel (32E0), it sets 0x194 to 0x43160000 (150.0).
-''00 [<color darkgrey>TT</color>] [<color purple>AA AA</color>]''
-| <color darkgrey>T</color> | Type of object.  Used to determine which linked list placed in. |
-| <color purple>A</color> | Might be a bit-field, but Behavior00 ignores them |
-Length: 4
-----
-==== 01: State Loop ====
-Used by some small effects.  if <color purple>A</color> > current 0x1F4, adds 1 to 0x1F4 of object, otherwise sets to 0.  It loops obj->0x1F4 from 0 up to <color purple>A</color> - 1 and then back to 0.
-''01 00 [<color purple>AA AA</color>]''
-| <color purple>A</color> | obj->0x1F4 = (<color purple>A</color> >= obj->0x1F4) ? obj->0x1F4 + 1 : 0 |
-Length: 4
-----
-==== 02: Jump and Link? ====
-Jumps into another behavior and changes obj->0x1D0.
-''02 00 00 00 [<color purple>AA AA AA AA</color>]''
-| <color purple>A</color> | Segmented address of behavior to jump to |
-Length: 8
-----
-==== 03: Return? ====
-Writes something to 0x1D0. jumps into behavior at object->0x1d4.
-''03 00 00 00''
-Length: 4
-----
-==== 04: Jump ====
-Jumps into another behavior.
-''04 00 00 00 [<color purple>AA AA AA AA</color>]''
-| <color purple>A</color> | Segmented address of behavior to jump to |
-Length: 8
-----
-==== 05: Loop N ====
-Loop specified amount of times.
-''05 00 [<color purple>AA AA</color>]''
-| <color purple>A</color> | Number of times to loop |
-Length: 4
-----
-==== 06: End Loop N ====
-End 0x05 loop.
-''06 00 00 00''
-Length: 4
-----
-==== 07: Infinite Loop ====
-Jumps back 4 bytes (usually results in infinite loop).
-''07 00 00 00''
-Length: 4
-----
-==== 08: Loop Start ====
-Loop start.
-''08 00 00 00''
-Length: 4
-----
-==== 09: Loop End ====
-End of 08 loop. Behavior script normally ends with this, looping around ASM function (0x0C command).
-''09 00 00 00''
-Length: 4
-----
-==== 0A: No Op ====
-No operation.
-''0A 00 00 00''
-Length: 4
-----
-==== 0B: Unused ====
-No operation.  Unused.
-----
-==== 0C: Call Function ====
-Calls ASM function.  Usually used to call object init routine or looping routine between 0x08/0x09 commands.
-''0C 00 00 00 [<color purple>AA AA AA AA</color>]''
-| <color purple>A</color> | ASM routine to call |
-Length: 8
-----
-==== 0D: Update Object ====
-Used to offset X, Y, or Z position a bit.  It's useless except for Dorrie.
-''0D [<color purple>AA</color>] [<color brown>BB BB</color>]''
-| <color purple>A</color> | Address = <color purple>A</color>*4+88 |
-| <color brown>B</color> | float |
-| obj->address += (float)B (special cases are 06, 07 and 08. 06 is X, 07 is Y, and 08 is Z-position) ||
-Length: 4
-----
-==== 0E: Sight Distance ====
-Mostly used for sight distance, does nearly the same as 0x0D.
-''0E [<color purple>AA</color>] [<color brown>BB BB</color>]''
-| <color purple>A</color> | Address = <color purple>A</color>*4+88 |
-| <color brown>B</color> | float |
-| obj->address = (float)B (special case is 45 for sight distance) ||
-Length: 4
-----
-==== 0F: Texture Animate ====
-Mostly used as texture animation rate. Same as 0x0D, but without float.
-''0F [<color purple>AA</color>] [<color brown>BB BB</color>]''
-| <color purple>A</color> | Address = <color purple>A</color>*4+88 |
-| <color brown>B</color> | u16 |
-| obj->address = B (special case is 1A for texture animation rate) ||
-Length: 4
-----
-==== 10: Special Parameter ====
-Special Parameter.
-''10 [<color purple>AA</color>] [<color brown>BB BB</color>]''
-| <color purple>A</color> | Address = <color purple>A</color>*4+88 |
-| <color brown>B</color> | u16 |
-| obj->address += B (special case is 2A for interaction or 2F for Bparam2 rate) ||
-Length: 4
-----
-==== 11: Bit-set ====
-Sets bits designated by mask <color brown>B</color> at object offset <color purple>A</color>*4+88.
-''11 [<color purple>AA</color>] [<color brown>BB BB</color>]''
-| <color purple>A</color> | Address = <color purple>A</color>*4+88 |
-| <color brown>B</color> | u16 |
-| ''obj->address |= B'' ||
-Length: 4
-----
-==== 12: Bit-clear ====
-Clears bits designated by mask <color brown>B</color> at object offset <color purple>A</color>*4+88. This is not used by any of the behavior scripts.
-''12 [<color purple>AA</color>] [<color brown>BB BB</color>]''
-| <color purple>A</color> | Address = <color purple>A</color>*4+88 |
-| <color brown>B</color> | u16 |
-| ''obj->address &= (B ^ 0xFFFF)'' ||
-Length: 4
-----
-==== 13: Add RNG ====
-Used in dirt and arrow lift.  Calls 80383BB0 (some RNG).
-''13 [<color purple>AA</color>] [<color brown>BB BB</color>] [<color darkgrey>CC CC</color>] 00 00''
-| <color purple>A</color> | Address = <color purple>A</color>*4+88 |
-| <color brown>B</color> | u16 |
-| <color darkgrey>C</color> | u16 |
-| obj->address = <color brown>B</color> + (80383BB0() >> <color darkgrey>C</color>) ||
-Length: 8
-----
-==== 14: Object Type? ====
-Mostly used for object type and once for Y-speed.
-''14 [<color purple>AA</color>] [<color brown>BB BB</color>] [<color darkgrey>CC CC</color>] 00 00''
-| <color purple>A</color> | Address = <color purple>A</color>*4+88 |
-| <color brown>B</color> | float |
-| <color darkgrey>C</color> | float |
-| obj->address = (float)<color brown>B</color> * (float)<color darkgrey>C</color> ||
-Length: 8
-----
-==== 15: Float Multiply ====
-Floating point multiple with float return from 80383CB4(). Used only in bubbles.
-''15 [<color purple>AA</color>] [<color brown>BB BB</color>] [<color darkgrey>CC CC</color>] 00 00''
-| <color purple>A</color> | Address = <color purple>A</color>*4+88 |
-| <color brown>B</color> | float |
-| <color darkgrey>C</color> | float |
-| obj->address = <color brown>B</color> + 80383CB4() * <color darkgrey>C</color> ||
-Length: 8
-----
-==== 16: Float Add ====
-Floating point add with float return from 80383CB4(). Used only in water particles.
-''16 [<color purple>AA</color>] [<color brown>BB BB</color>] [<color darkgrey>CC CC</color>] 00 00''
-| <color purple>A</color> | Address = <color purple>A</color>*4+88 |
-| <color brown>B</color> | float |
-| <color darkgrey>C</color> | float |
-| obj->address = (float)<color brown>B</color> + 80383CB4() + (float)<color darkgrey>C</color> ||
-Length: 8
-----
-==== 17: Right Shift ====
-Right shift C with return from 80383BB0(). Unused.
-''17 [<color purple>AA</color>] [<color brown>BB BB</color>] [<color darkgrey>CC CC</color>] 00 00''
-| <color purple>A</color> | Address = <color purple>A</color>*4+88 |
-| <color brown>B</color> | u16 |
-| <color darkgrey>C</color> | u16 |
-| obj->address = <color brown>B</color> + 80383BB0() >> <color darkgrey>C</color> ||
-Length: 8
-----
-==== 18: No Operation ====
-Does nothing. Unused.
-''18 ?? ?? ??''
-Length: 4
-----
-==== 19: No Operation ====
-Does nothing. Unused.
-''19 ?? ?? ??''
-Length: 4
-----
-==== 1A: No Operation ====
-Does nothing. Unused.
-''1A ?? ?? ??''
-Length: 4
-----
-==== 1B: Change Model ID ====
-Changes the model ID of current behavior.  Used by Mr. I, Bowser flame spawn, and floating wood bridge.
-''1B 00 [<color darkgray>II II</color>]''
-| <color darkgray>I</color> | model ID |
-Length: 4
-----
-==== 1C: Load Child Object ====
-Load child object and save child object pointer to 0x6C (automatically follows?).
-''1C 00 00 00 [<color darkgray>II II II II</color>] [<color purple>AA AA AA AA</color>]''
-| <color darkgray>I</color> | model ID |
-| <color purple>A</color> | segmented address of child object behavior |
-Length: C
-----
-==== 1D: Deactivate ====
-Deactivates object. obj->active (0x74) = 0
-''1D 00 00 00''
-Length: 4
-----
-==== 1E: Drop to Ground? ====
-Calls 80381794().  Drop to ground? and object->0xEC |= 0x2;
-''1E 00 00 00''
-Length: 4
-----
-==== 1F: Used for Waves ====
-Sums two floats at offsets B and C and stores in offset A.  Used for waves and bubbles.
-''1F [<color darkred>AA</color>] [<color darkgreen>BB</color>] [<color darkblue>CC</color>]''
-| <color darkred>A</color> | AddressA = <color darkred>A</color>*4+88 |
-| <color darkgreen>B</color> | AddressB = <color darkgreen>B</color>*4+88 |
-| <color darkblue>C</color> | AddressC = <color darkblue>C</color>*4+88 |
-| obj->addressA = obj->addressB + obj->addressC ||
-Length: 4
-----
-==== 20: Unused ====
-Sums two values at offsets B C and stores in offset A?
-''20 [<color darkred>AA</color>] [<color darkgreen>BB</color>] [<color darkblue>CC</color>]''
-| <color darkred>A</color> | AddressA = <color darkred>A</color>*4+88 |
-| <color darkgreen>B</color> | AddressB = <color darkgreen>B</color>*4+88 |
-| <color darkblue>C</color> | AddressC = <color darkblue>C</color>*4+88 |
-| obj->addressA = obj->addressB + obj->addressC ||
-Length: 4
-----
-==== 21: Set Billboarding ====
-Sets billboarding flag (0x04) in graph flags.
-''21 00 00 00''
-Length: 4
-----
-==== 22: Set 0x10 flag ====
-Sets 0x10 in graph flags.
-''22 00 00 00''
-Length: 4
-----
-==== 23: Collision sphere size ====
-Define the collision sphere size.
-''23 00 00 00 [<color darkred>XZ XZ</color>] [<color darkgreen>YY YY</color>]''
-| <color darkred>XZ</color> | X and Z sphere|
-| <color darkgreen>Y</color> | Y sphere |
-Length: 8
-----
-==== 24: Nothing ====
-Does nothing. Unused.
-''24 [<color darkred>AA</color>] [<color darkgreen>BB BB</color>]''
-| <color darkred>A</color> | Unused |
-| <color darkgreen>B</color> | Unused |
-Length: 4
-----
-==== 25: State Cycle ====
-Increment obj->0x1F4 or cycle back to 0 when it reaches obj->AddressA. Only used in Bubble (Mario) behavior.
-''25 [<color darkred>AA</color>] 00 00''
-| <color darkred>A</color> | AddressA = <color darkred>A</color>*4+88 |
-| <code c>if (obj->0x1F4 < obj->AddressA - 1) {
-  obj->0x1F4 += 1;
-} else {
-  obj->0x1F4 = 0;
-}</code>||
-Length: 4
-----
-==== 26: Loop? ====
-Similar to behavior command 0x05, except parameter is only 1 byte. Unused.
-''26 [<color darkred>AA</color>] 00 00''
-| <color darkred>A</color> | Loops? |
-Length: 4
-----
-==== 27: Set Word ====
-Store word B at address A of object. Always used with A = 0x26 (addressA = 0x120) to set initial [[sm64:animation]] with segmented address.
-''27 [<color darkred>AA</color>] 00 00 [<color darkgreen>BB BB BB BB</color>]''
-| <color darkred>A</color> | AddressA = <color darkred>A</color>*4+88 |
-| <color darkgreen>B</color> | value to store in AddressA |
-| obj->addressA = <color darkgreen>B</color> ||
-Length: 8
-----
-==== 28: Animates ====
-Animates object by advancing [[sm64:animation]] pointer (obj->0x120).
-''28 [<color darkred>AA</color>] 00 00''
-| <color darkred>A</color> | animation number (*4) |
-| ''8037C658(obj, obj->0x120 + <color darkred>A</color>*4)'' ||
-Length: 4
-----
-==== 29: Load Child Object ====
-Load child object. Only used in Koopa flag and poundable.
-''29 00 [<color darkred>AA AA</color>] [<color darkgreen>BB BB BB BB</color>] [<color darkblue>CC CC CC CC</color>]''
-| <color darkred>A</color> | Bparam for child object |
-| <color darkgreen>B</color> | model ID |
-| <color darkblue>C</color> | Segmented address of behavior |
-Length: C
-----
-==== 2A: Set Collision ====
-Set collision data.
-''2A 00 00 00 [<color darkred>AA AA AA AA</color>]''
-| <color darkred>A</color> | Segmented address of collision pointer |
-Length: 8
-----
-==== 2B: Set Collision Sphere ====
-Set collision data.
-''2B 00 00 00 [<color darkred>AA AA</color>] [<color darkgreen>BB BB</color>] [<color darkblue>CC CC</color>]''
-| <color darkred>A</color> | X/Z sphere as int |
-| <color darkgreen>B</color> | Y sphere as int |
-| <color darkblue>C</color> | obj->0x208 = (float)<color darkblue>C</color> |
-Length: C
-----
-==== 2C: Spawn Object ====
-Spawns object. Same as 0x1C, but stores child obj pointer to parent->0x6C.
-''2C 00 00 00 [<color darkred>AA AA AA AA</color>] [<color darkgreen>BB BB BB BB</color>] [<color darkblue>CC CC</color>]''
-| <color darkred>A</color> | model ID |
-| <color darkgreen>B</color> | Segmented address of behavior |
-Length: C
-----
-==== 2D: Set Init Position ====
-Declare initial position. Saves positions to 0x164, 0x168, and 0x16C. Used in Dorrie, Fly guys, etc. to determine in which range they can move.
-''2D 00 00 00''
-Length: 4
-----
-==== 2E: Sight Distance ====
-Uselessly long version of 0E?
-''2E 00 00 00 [<color darkred>AA AA</color>] [<color darkgreen>BB BB</color>]''
-| <color darkred>A</color> | obj->0x200 = (float) <color darkred>A</color> |
-| <color darkgreen>B</color> | obj->0x204 = (float) <color darkgreen>B</color> |
-Length: 8
-----
-==== 2F: Set Interaction ====
-Set interaction (obj->0x130). Same as 27 2A.
-''2F 00 00 00 [<color darkred>AA AA AA AA</color>]''
-| <color darkred>A</color> | Interaction (see table below) |
-^ Interaction ^ Description ^
-| 00000001 | Mario can hang from it |
-| 00000002 | Mario can pick it up |
-| 00000004 | Door |
-| 00000008 | Damages Mario (normal) |
-| 00000010 | Coin |
-| 00000020 | Nothing? |
-| 00000040 | Pole |
-| 00000080 | Damages Mario (can be punched, bounced on) |
-| 00000100 | Damages Mario (can be punched) |
-| 00000200 | Nothing (can be punched) |
-| 00000400 | Blows Mario away |
-| 00000800 | Warp door |
-| 00001000 | Star |
-| 00002000 | Warp hole |
-| 00004000 | Cannon |
-| 00008000 | Damages Mario (can be punched, bounced on) |
-| 00010000 | Replenishes health |
-| 00020000 | Bully |
-| 00040000 | Flame |
-| 00080000 | Koopa shell |
-| 00100000 | Damages Mario (can be punched, bounced on) |
-| 00200000 | Damages Mario |
-| 00400000 | Damages Mario (can be punched and bounced on) |
-| 00800000 | Message |
-| 01000000 | Makes Mario spin |
-| 02000000 | Makes Mario fall? |
-| 04000000 | Damages Mario |
-| 08000000 | Warp (Mario shrinks in) |
-| 10000000 | Damages Mario |
-| 20000000 | Electrocutes Mario |
-| 40000000 | Normal |
-Length: 8
-----
-==== 30: Set Gravity ====
-Set gravity.
-''30 00 00 00 [<color darkred>AA AA</color>] [<color darkgreen>BB BB</color>] [<color darkblue>CC CC</color>] [<color red>DD DD</color>] [<color green>EE EE</color>] [<color blue>FF FF</color>] [<color purple>GG GG</color>] [<color darkgrey>HH HH</color>]''
-| <color darkred>A</color> | obj->0x128 = (float)<color darkred>A</color> |
-| <color darkgreen>B</color> | obj->0xE8 = (float)<color darkgreen>B</color>/100 |
-| <color darkblue>C</color> | obj->0x158 = (float)<color darkblue>C</color>/100 |
-| <color red>D</color> | obj->0x12C = (float)<color red>D</color>/100 |
-| <color green>E</color> | obj->0x170 = (float)<color green>E</color>/100 |
-| <color blue>F</color> | obj->0x174 = (float)<color blue>F</color>/100 |
-| <color purple>G</color> | Ignored |
-| <color darkgrey>H</color> | Ignored |
-Length: 0x14
-----
-==== 31: ?? ====
-Sets obj->0x190. Unused.
-''31 00 00 00 [<color darkred>AA AA AA AA</color>]''
-| <color darkred>A</color> | obj->0x190 = <color darkred>A</color> |
-Length: 8
-----
-==== 32: Scale Object ====
-Scale object uniformly, sets X, Y, Z scaling to A as percent.
-''32 00 [<color darkred>AA AA</color>]''
-| <color darkred>A</color> | scale value (percent) |
-| <code c>ScaleObject((float)A/100.0f;</code> ||
-Length: 4
-----
-==== 33: Child Object Change ====
-Clear flags in address of child object.
-''33 [<color darkred>AA</color>] 00 00 [<color darkgreen>BB BB BB BB</color>]''
-| <color darkred>A</color> | AddressA = <color darkred>A</color>*4+88 |
-| <color darkgreen>B</color> | bit values to clear |
-| obj->child(0x68)->addressA &= ~B ||
-Length: 8
-----
-==== 34: Texture Animate Rate ====
-Clear flags in address of child object.  Only used for texture animation rate (0x1A).
-''34 [<color darkred>AA</color>] [<color darkgreen>BB BB</color>]''
-| <color darkred>A</color> | AddressA = <color darkred>A</color>*4+0x88 |
-| <color darkgreen>B</color> | divide value at 0x8032d5d4 with this (see code below) |
-<code c>
-if ((*0x8032d5d4 / B) == 0) {
-  addressA = A*4 + 0x88;
-  obj->addressA += 1;
-}
-return 0;</code>
-Length: 4
-----
-==== 35: Clear Graph Flag ====
-Clears least significant bit of graph (obj->0x02 &= 0xFFFE).
-''35 00 00 00''
-Length: 4
-----
-==== 36: Set Value ====
-Store value B at address A. Unused.
-''36 [<color darkred>AA</color>] 00 00 [<color darkgreen>BB BB</color>] 00 00''
-| <color darkred>A</color> | AddressA = <color darkred>A</color>*4+0x88 |
-| <color darkgreen>B</color> | value (u16) |
-| obj->addressA = (u32)value ||
-Length: 8
-----
-==== 37: Spawn Something ====
-Spawns something.  Only used in waves generator and surface waves.
-''37 00 00 00 [<color darkred>AA AA AA AA</color>]''
-| <color darkred>A</color> | Spawn function address |
-Length: 8
-===== See Also =====
-[[sm64:list_of_behaviors]]
-===== References =====
-  * https://sites.google.com/site/kazemario64/home/all-behavior-commands

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