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RSSE VM (Ride & Sideshow Script Engine Virtual Machine)
Theme Park World uses a stack-based VM in order to give rides and sideshows their functionality. This VM reads from the RSSE format, and includes over 100 instructions.
The following variables are part of a "common variable set" that must be contained within every ride (these do not apply to features).
-
VAR_LETMEON(0) - First ID of visitor in ride queue -
VAR_LETMEOFF(1) - First ID of visitor wishing to leave -
VAR_CAPACITY(2) - How many visitors can use the ride at once -
VAR_DURATION(3) - The time for the ride to run for -
VAR_BREAKSTAT(4) - Whether the ride is broken (1) or not (0) -
VAR_ONRIDE(5) - The number of visitors on the ride -
VAR_RIDECLOSED(6) - Is the ride closed? (0/1) -
VAR_BROKEN(7) - Is the ride broken? (0/1) -
VAR_WORN(8) - How worn is the ride? -
VAR_RUNNING(9) - Is the ride running? (0/1) -
VAR_PAD(10) - Unused -
VAR_PARAM(11) - Sideshows: Determine whether the current visitor will win (1) or lose (0)
- Sign flag
- 1 for negative value
- 0 for positive value
- Zero flag
- 1 for zero
- 0 for not zero
NOP - This performs no operation, essentially wasting 1 cycle.
None
CRIT_LOCK - Locks a ride, preventing visitors from accessing the ride until unlocked.
None
COPY <dest> <source> - Copy a value from one variable to another.
COPY <dest> <value> - Set a variable's value.
<dest> - The destination for the instruction's result.
<value> - The value to copy.
<source> - The source containing the value to copy.
SETLV <unknown> - Unknown
Unknown
SUB <value> <value> <dest> - Subtract one value from another.
SUB <source> <value> <dest> - Subtract a value from a variable.
SUB <value> <source> <dest> - Subtract variable's value from a value.
SUB <source> <source> <dest> - Subtract one variable from another.
Upon performing this calculation, the relevant flags will be set based on the calculation's result.
<dest> - The destination for the instruction's result.
<value> - The value to subtract.
<source> - The source containing the value to subtract.
ENDSLICE - Unknown
Unknown
GETTIME <dest> - Gets the time that the ride has been alive for.
<dest> - The destination for the instruction's result.
ADDOBJ <type> <parameter> <id> <slot> - Add an object of a specific type to the ride.
<type> - The type of object to add.
<parameter> - Unknown
<id> - The ID of the object to add.
<slot> - The 'slot' within the current ride to add the new ride.
ADDOBJ_EXT <unknown1> <unknown2> <unknown3> <unknown4> <unknown5> - Unknown
Unknown
KILLOBJ <slot> - Remove an object of a specific slot type.
<slot> - The slot of the desired object.
FADEOBJ <slot> - Fade out an object, and then remove it.
<slot> - The slot of the desired object.
SETOBJPARAM <slot> <parameter> <value> - Set a sub-object's parameters.
<slot> - The slot of the desired object.
<parameter> - The parameter to change.
<value> - The desired value of the parameter.
EVENT <type> <unknown> <event> - Trigger an in-game event.
<type> - The type of the event.
<unknown> - Unknown
<event> - The event?
EVENT_EXT <unknown1> <unknown2> <unknown3> <unknown4> - Unknown
Unknown
FLUSHANIM - Stop all active animations
None
TRIGANIM <unknown1> <unknown2> <unknown3> - Unknown
Unknown
WAITANIM <type> <unknown> - Start playing an animation, and wait for it to end before continuing.
<type> - The type of animation to play
<unknown> - Unknown
LOOPANIM <type> <unknown> - Start playing an animation on loop
<type> - The type of animation to play
<unknown> - Unknown
TRIGWAITANIM <unknown1> <unknown2> <unknown3> - Unknown
Unknown
GETANIM <unknown> - Unknown
Unknown
TRIGANIMSPEED <unknown1> <unknown2> <unknonw3> <unknown4> - Unknown
Unknown
FLUSHANIM_CH <unknown> - Unknown
Unknown
TRIGANIM_CH <unknown1> <unknown2> <unknown3> <unknown4> - Unknown
Unknown
WAITANIM_CH <unknown1> <unknown2> <unknown3> - Unknown
Unknown
LOOPANIM_CH <unknown1> <unknown2> <unknown3> - Unknown
Unknown
TRIGWAITANIM_CH <unknown1> <unknown2> <unknown3> <unknown4> - Unknown
Unknown
GETANIM_CH <unknown1> <unknown2> - Unknown
Unknown
RAND <dest> <max value> - Generate a random number.
<dest> - The destination for the instruction's result.
<max value> - The highest value to generate.
JSR <subroutine> - Jump to a subroutine.
<subroutine> - The destination subroutine to jump to.
RETURN - Return to the previous subroutine (after the last JSR).
None
BRANCH <location> - Branch to another location.
<location> - The branch to execute.
BRANCH_Z <location> - Branch to another location if the "zero" flag has been set.
<location> - The branch to execute.
BRANCH_NZ <location> - Branch to another location if the "not zero" flag has been set.
<location> - The branch to execute.
BRANCH_NV <location> - Branch to another location if the "negative value" flag has been set.
<location> - The branch to execute.
BRANCH_PV <location> - Branch to another location if the "positive value" flag has been set.
<location> - The branch to execute.
DBGMSG <unknown> - Unknown
Unknown
NAME <value> - Set the current script's name (likely used for debugging purposes).
<value> - The new name for the script.
TEST <value> - Set flags depending on the value given.
This instruction will modify all flags, which can then be used to execute different branches depending on <value>.
<value> - The value to test.
CMP <value / variable> <value / variable> - Compare two values (using a bitwise AND), and set any flags according to the result.
Upon performing this calculation, the relevant flags will be set based on the calculation's result.
<value / variable> - A value or variable to compare.
PUSH <value> - Push a value to the stack.
<value> - The value to push onto the stack.
POP - Pop a value from the stack.
None
HUSH <unknown> - Unknown
<unknown> - Unknown
HOP <unknown> - Unknown
<unknown> - Unknown
WAIT <time> - Wait for a specified period of time.
<time> - The length of time to wait for (cycles / slices / milliseconds?)
WAITABS <unknown> - Unknown
Unknown
WAIT4ANIM - Wait for all of the currently playing animations to finish.
None
ADD <source> <value> - Add a value to the value of a variable.
Upon performing this calculation, the relevant flags will be set based on the calculation's result.
<source> - The source containing the value to add, and the destination for the result.
<value> - The value to add.
MULT <unknown1> <unknown2> <unknown3> - Multiply values (not used in any existing rides)
Upon performing this calculation, the relevant flags will be set based on the calculation's result.
Unknown
DIV <value> <value> <dest> - Divide one value by another.
DIV <source> <value> <dest> - Divide a variable by a value.
DIV <value> <source> <dest> - Divide a value by a variable's value.
DIV <source> <source> <dest> - Divide one variable by another.
Upon performing this calculation, the relevant flags will be set based on the calculation's result.
<dest> - The destination for the instruction's result.
<value> - The value to divide.
<source> - The source containing the value to divide.
MOD <value> <value> <dest> - Get the remainder of a division of one value from another.
MOD <source> <value> <dest> - Get the remainder of a division of a variable by a value.
MOD <value> <source> <dest> - Get the remainder of a division of a value by a variable's value.
MOD <source> <source> <dest> - Get the remainder of a division of one variable by another.
Upon performing this calculation, the relevant flags will be set based on the calculation's result.
<dest> - The destination for the instruction's result.
<value> - The value to perform modulo on.
<source> - The source containing the value to perform modulo on.
TURBO <value> - Unknown
<value> - Unknown [0..1]
END - Unknown
None
TOUR <command> <params> - Call a tour ride command (with parameter if applicable)
<command> - The command to use
<params> - The parameter(s) to give to the command
-
1: Set style of ride -
4: Let off visitor -
3: Let on visitor -
5: Number of cars -
6: Unused ("Unknown tour ride command") -
7: Unused ("Unknown tour ride command") -
8: Set time to fly for (in milliseconds) -
9: Set ride wear status-
1: Ok -
2: Worn -
3: Breaking down -
4: Condemned
-
-
10: Check if there is a car in the station (sets flags) -
11: Activate launch / start flight -
12: Set whether ride uses runway type of approach (0/1) -
14: Set whether ride is open (0/1) -
15: Check if there is a broken car in the station (sets flags) -
16: Set whether the ride is running (0/1) -
17: Set size of car (1024 == 1)
BUMP <command> <params> - Set bumper ride properties, and set flags where appropriate.
<command> - The ID of the property being set
<params> - The value to assign to the property
-
1(BUMP_PEEPON): Add visitor to ride -
2(BUMP_PEEPOFF): Get visitor from ride -
3(BUMP_STARTRACE): Start the race -
4(BUMP_LAUNCHCAR): Launch car -
5(BUMP_ISTRACKVALID): Get whether the track is valid (sets flags) -
6(BUMP_CLOSERIDE): Close the ride -
7(BUMP_OPENRIDE): Open the ride -
8(BUMP_SETBROKEN): Set whether the ride is broken (0/1) -
9(Unnamed?): Set whether the ride is worn or not -
10(BUMP_HALTRIDE): Eject all visitors from the ride -
11(BUMP_CARSONRIDE): Get whether there are cars on the ride (0/1) -
12: Unknown -
13: Unknown -
14(BUMP_SETLAPS): Set the number of laps -
15: Unused ("Unknown bumper ride command") -
16: Unknown -
17(BUMP_WATERCLOSED): Set whether water is flowing (0 - flowing / 1 - not flowing)
COAST <id> <value> - Set coaster ride properties, and set flags where appropriate.
<id> - The ID of the property being set
<value> - The value to assign to the property
-
COAST_ADDPEEP- Let on visitor -
COAST_GETQUEUE- Gets the number of people in the ride's queue -
COAST_GETPEEP- Gets the number of people on the ride -
COAST_SETBROKE- Set's the coaster's broken state -
COAST_SETCLOSED- Sets the coaster's open/closed state -
COAST_SETCAPACITY- Sets the coaster's capacity -
COAST_SETWORN- Sets the coaster's wear rating -
COAST_INITIALISE- Initialises the coaster
ADDHEAD <visitor ID> - Add a visitor (head only) to the ride.
<visitor ID> - The ID of the visitor to add.
DELHEAD <visitor ID> - Remove a visitor from the ride.
<visitor ID> - The ID of the visitor to remove.
LIMBO <visitor ID> <unknown> - Send a visitor into limbo.
<visitor ID> - The ID of the visitor to send into limbo.
<unknown> - Unknown (possibly related to LIMBOSPACE, but may also be duration)
UNLIMBO <visitor ID> - Remove a visitor from limbo.
<visitor ID> - The ID of the visitor to remove from limbo.
FORCEUNLIMBO <visitor ID> - Forcefully remove a visitor from limbo.
<visitor ID> - The ID of the visitor to remove from limbo.
INLIMBO <unknown> - Unknown
<unknown> - Unknown.
LIMBOSPACE <unknown> - Unknown
<unknown> - Unknown.
SPAWNCHILD <file name> - Add a child script to the current script (max. 1 child)
<file name> - The path to the desired script.
SPAWNSOUND <file name> - Add a child script to the current script (max. 1 child) - likely somewhat different from SPAWNCHILD, but unknown.
<file name> - The path to the desired script.
REMOVECHILD - Remove an existing child script.
None
SETVARINCHILD <variable ID> <value> - Set the value of a variable in the current script's child.
<variable ID> - The ID of the desired variable.
<value> - The desired value to set.
GETVARINCHILD <dest> <variable ID> - Get the value of a variable in the current script's child.
<variable ID> - The ID of the desired variable.
<dest> - The destination for the value of the desired variable.
SETVARINPARENT <variable ID> <value> - Set the value of a variable in the current script's parent.
<variable ID> - The ID of the desired variable.
<value> - The desired value to set.
GETVARINPARENT <dest> <variable ID> - Get the value of a variable in the current script's parent.
<variable ID> - The ID of the desired variable.
<dest> - The destination for the value of the desired variable.
BOUNCESETNODE <node> - Unknown
Unknown
BOUNCESETBASE <base> - Unknown
Unknown
BOUNCE <visitor ID> <unknown> - Unknown
Unknown
UNBOUNCE <visitor ID> - Unknown
Unknown
FORCEUNBOUNCE <visitor ID> - Unknown
Unknown
BOUNCING <visitor ID> - Unknown
Unknown
WALKON <visitor ID> <unknown1> <unknown2> <unknown3> <unknown4> <action> <unknown5> - Unknown
Unknown
WALKOFF <visitor ID> - Unknown
Unknown
WALKGET <dest> - Unknown
Unknown
WALKST_FLOAT <unknown1> <unknown2> <unknown3> - Unknown
Unknown
WALKFLOATSTAT <unknown> - Unknown
Unknown
WALKFLOATSTOP
Unknown
ENABLELIGHT <unknown>
Unknown
DISABLELIGHT <unknown>
Unknown
SETLIGHT <unknown>
Unknown
COLOURLIGHT <unknown1> <unknown2> <unknown3> <unknown4>
Unknown
STARTSCREAM <visitor ID> <unknown> - Unknown, likely causes a visitor to scream.
Unknown
STOPSCREAM
None
SINGLESCREAM <visitor ID> <unknown>
SCREAMLEVEL <level>
<level> - The desired ride scream level (from 0 to 100).
FINDSCRIPTRAND <ride / object name> <dest>
GETREMOTEVAR <unknown1> <unknown2> <unknown3>
Unknown
SETREMOTEVAR <script ID> <variable ID> <value> - Set the value of another script's variable.
<script ID> - The ID of the script containing the desired variable.
<variable ID> - The ID of the desired variable.
<value> - The desired value of the variable.
REPAIREFFECT <value> - Show or hide repair effect.
<value> - 0 or 1: 0 for hide, 1 for show.
GETCUSTPTCLCODE <unknown1> <unknown2> - Unknown
Unknown
SETTIMER <time> - Unknown
Unknown
GETTIMER <unknown> - Unknown
Unknown
YEAR <dest> - Get the current in-game year, and put it in the destination variable.
<dest> - The destination variable for the instruction's result.
MONTH <dest> - Get the current in-game month, and put it in the destination variable.
<dest> - The destination variable for the instruction's result.
DAY <dest> - Get the current in-game day, and put it in the destination variable.
<dest> - The destination variable for the instruction's result.
HOUR <dest> - Get the current in-game hour, and put it in the destination variable.
<dest> - The destination variable for the instruction's result.
MIN <dest> - Get the current in-game minute, and put it in the destination variable.
<dest> - The destination variable for the instruction's result.
SEC <dest> - Get the current in-game second, and put it in the destination variable.
<dest> - The destination variable for the instruction's result.
SETREVERB <level> - Set the reverb level used for any sounds that output from this ride.
<level> - The desired reverb level, from 0 (no reverb) to 10 (max reverb).
DIPMUSIC <value> - Mute or unmute music.
<value> - 0 or 1: 0 for unmute, 1 for mute
SPARK <unknown1> <unknown2> <unknown3> <unknown4>
Unknown