0x0078

RayTrace
OpCode:	0x0078
Game Version:	The Sims 2

Overview

This primitive provides a way to check whether there is a clear view of one object from another - for example can the TV be seen.

Use

There is no instruction wizard for this instruction, so the following table details the meaning of each of the operands.

Operand editing

Operand	Description	Operand Values
0	Unused?
1	The Object from which to make the ray trace. The choices are any of the many variables and attributes that are part of SimAntics. Where the variable type can have many of them, e.g. Local variables, operands 2 and 3 give the low and high order byte respectively.
2 & 3	Variable number used for Object
4	Specific point of the Object	00: default 3/4 height 01: targeting slot: 0xnn (see operand 5) 02: routing slot: 0xnn (see operand 5) 03: containment slot: 0xnn (see operand 5)
5	Slot number used for the various slot related options of operand 4
6 thru 7	unused
8	The Target towards which to make the ray trace. The choices are any of the many variables and attributes that are part of SimAntics. Where the variable type can have many of them, e.g. Local variables, operands 9 and 10 give the low and high order byte respectively.
9 & 10	Variable number used for Target
11	Specific point of the Target	00: default 3/4 height 01: targeting slot: 0xnn (see operand 12) 02: routing slot: 0xnn (see operand 12) 03: containment slot: 0xnn (see operand 12)
12	Slot number used for the various slot related options of operand 11
13 thru 14	unused
15	Controls "Windows Ignored	off: False on: True