drawingboard

Table of contents

1. Global variables
   1. global_pencils
   2. global_pos1
   3. global_pos2
   4. global_draw_block
   5. global_empty_block
   6. global_reach
2. Functions
   1. is_between
   2. within_drawing_board
   3. clear_board
3. Overridden events
   1. __on_player_uses_item

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[View source on GitHub]

Global variables

global_pencils

List of items that should be recognized as pencils.

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global_pos1

First corner of bounding box of the drawingboard

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global_pos2

Second corner of bounding box of the drawingboard

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global_draw_block

Block that should be recognized as drawn on the drawingboard

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global_empty_block

Block that should be recognized as empty on the drawingboard

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global_reach

Integer that specifies the maximum distance between player and drawingboard

Functions

is_between

Takes in 3 integers a, b and c. Returns if b lies in between a and c.

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within_drawing_board

Takes a block position as argument (b_pos). Returns if b_pos lies within boundingbox of the drawingboard.

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clear_board

Clears the drawingboard by replacing all “drawn” blocks by “empty” blocks

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Overridden events

__on_player_uses_item

Checks following things

1. The item used by player belongs to mainhand
2. The item used by player is one of the global_pencils
3. If the player is looking at drawingboard within proper reach

If all of the checks are successful, only then it will turn the block player is looking at to global_draw_block

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