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Kaze Line of Sight Plugin for RPG Maker 2003 ver 1.00

For DynRPG version 0.14a or higher

By Kazesui

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This Plugin allows you to detect if a hero, event or 

point can see the hero, an event or another point 

with the rm2k3 comment command.

The comment commands start with an @ followed

by a command and then a series of numbers.

These numbers can be replaced by for example

V2 to use the value stored in variable 0002.

## Some important terminology ##

# width of sight field

this refers to how wide the sight field should be

if you select 180 here, everything around will be

seen, while if you select 60 degrees, you'll only

be able to see targets +- 30 degrees of the direction

your looking in

# radius of sight field

this is the maximum distance of which the line of

sight will be able to detect a target.

it's measured in pixels, so a value of 100

will allow you to detect points as far as 100

pixels away

# view direction

For points, which don't have an inherent facing

direction, unlike hero and events, you have to

designate your own viewing direction.

This can be done at angles

between 0 and 359 degrees

# source

The starting point for a line of sight

# target

This is what we're trying to check if can be seen

from where the source is located

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Further instructions

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The command names refer to what is trying to see what

hero_see_event means that we will use the line of sight

from the hero to an event of choice. "this" is a 

special keyword here, referring to the event calling

on the comment command.

this_see_hero will then check if the event executing

the comment command can see the hero from its current

location.

The first parameter is always the switch id. This is

being used to determine if something was in the 

line of sight of the source. If the target could

be seen by the source, the switch will be turned on,

otherwise, the switch will be turned off.

The line of sight is determined by the range defined

in the comment command, as well as any terrain in the

area. Important to note here is that the line of sight

will only be blocked by tiles which has been marked

as unpassable. Partly passable (by custom

arrow directions) will be treated as something which

can be seen through!!

Likewise, line of sight will not be affected by any

event, regardless of being same level as hero or not!

The comment commands:

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@hero_see_event

  parameter#1: id of switch

  parameter#2: id of event

  parameter#3: width of sight field

  parameter#4: radius of sight field

@hero_see_point

  parameter#1: id of switch

  parameter#2: pixel x coordinate of target

  parameter#3: pixel y coordinate of target

  parameter#4: width of sight field

  parameter#5: radius of sight field

@this_see_hero

  parameter#1: id of switch

  parameter#2: width of sight field

  parameter#3: radius of sight field

@this_see_event

  parameter#1: id of switch

  parameter#2: id of target event

  parameter#3: width of sight field

  parameter#4: radius of sight field

@this_see_point

  parameter#1: id of switch

  parameter#2: pixel x coordinate

  parameter#3: pixel y coordinate

  parameter#4: width of sight field

  parameter#5: radius of sight field

@event_see_hero

  parameter#1: id of switch

  parameter#2: id of source event

  parameter#3: width of sight field

  parameter#4: radius of sight field

@event_see_event

  parameter#1: id of switch

  parameter#2: id of source event

  parameter#3: id of target event

  parameter#4: width of sight field

  parameter#5: radius of sight field

@event_see_point

  parameter#1: id of switch

  parameter#2: id of source event

  parameter#3: pixel x coordinate of target

  parameter#4: pixel y coordinate of target

  parameter#5: width of sight field

  parameter#6: radius of sight field

@point_see_point

  parameter#1: id of switch

  parameter#2: pixel x coordinate of source

  parameter#3: pixel y coordinate of source

  parameter#4: pixel x coordinate of target

  parameter#5: pixel y coordinate of target

  parameter#6: width of sight field

  parameter#7: radius of sight field

  parameter#8: view direction in degrees