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https://github.com/bman12three4/Factory-Game.git
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9c247bd2e9
- Changed main update to the new routine - Changed how the item locations work. Instead of an array for position, array for location, and potentially another array for sub-position, it uses one array of bytes, where each byte has 2 bits for rotation, 2 bits for subposition, and 4 bits for type.
50 lines
1.7 KiB
NASM
50 lines
1.7 KiB
NASM
; world.asm
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;
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; The world file contains the following:
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; * The current world, stored as an array of bytes refering
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; to the tile type they represent
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; * The item map, which stores all of the items to be drawn
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; on top of any of the applicable items, namely conveyor belts
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; * Routines for getting the current 10x10 window from the larger
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; world.
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.export World
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.export ItemLoc
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World: ; This is the array which stores all of the world data.
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; Right now this is just 10x10, so no other methods are needed.
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.byte 16, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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; Item's rotation and position.
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; 00000000
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; | | |
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; | | | First two bits are rotation (0-3)
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; | | Third and fourth bits are position in cell (0-2)
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; | Last 4 bits are the item type.
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;
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; For reference, 00001100 is $C
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; 00000011 is $3
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; 00001111 is $F
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ItemLoc:
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.byte $20, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00
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.byte 00, 00, 00, 00, 00, 00, 00, 00, 00, 00 |