56 lines
2.4 KiB
GDScript
56 lines
2.4 KiB
GDScript
extends Node
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# World Map Block Properties
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# 3 bytes
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# Byte0: movement properties
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# 0x01 = passable on foot
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# 0x02 = passable on chocobo?
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# 0x04 = passable on black chocobo
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# 0x08 = passable on hiryuu?
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# 0x10 = passable in submarine? set on deep water tiles, and all undersea tiles that aren't cliffs
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# 0x20 = passable in ship? set on deep water tiles only (not undersea) - can submerge?
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# 0x40 = passable in airship? Pretty much every tile aboveground has this. No undersea.
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# 0x80 = only set on clear sea floor. Submarine pathable/can surface?
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# Byte1: movement properties
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# 0x01 = (water flips) can move from this block rightwards
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# 0x02 = (water flips) can move from this block leftwards
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# 0x04 = (water flips) can move from this block downwards
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# 0x08 = (water flips) can move from this block upwards
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# 0x10 = Chocobo can't land/dismount. most aboveground water tiles
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# 0x20 = Black Chocobo can't land.
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# 0x40 = Hiryuu can't land.
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# 0x80 = Airship can't land.
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# Byte2: movement properties
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# 0x01 = Set on forests, deep water, void.
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# 0x02 = Set on deep water, void, desert.
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# 0x04 = Only set on diagonal land corners and Galuf World swamp
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# 0x08 = No hits.
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# 0x10 = Mountains and Exdeath's Castle
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# 0x20 = Set on first two rows of forests, also waterfall, but not lower bounds of forests
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# 0x40 = Shallow water.
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# 0x80 =
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# Vehicle landing bit masks: [00 10 20 40 00 00 80] - & with Byte1, if 1, can't land
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# Vehicle IDs: [None, Chocobo, BlkChocobo, Hiryuu, Submarine, Ship, Airship]
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# Worldmap animations
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# World 1 (and probably 3)
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# Sea tiles and waterfall tiles have a scrolling effect in tile data
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# This may require setting up a proper tile indirect lookup shader
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# Shifting sands and the portal have cycling palettes: $6C and $6D swap every frame, $51 through $55 scroll left (i.e. $55->$54, $51->$55)
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# This will be best hardcoded as a 10 palette cycle
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# World 2:
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# Sea tiles have a horizontal scrolling effect in tile data (addresses $1880, $18C0, $1C80, $1CC0)
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# ASM at C09660 BF 21 86 7F LDA $7F8621,X
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# Probably going to shader this effect instead of storing hundreds of frames
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# No palette cycling
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var worldmap_block_properties = []
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func load_worldmap_block_properties(rom: File):
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rom.seek(0x0FEA00)
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for world_ts in 3:
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var ts_properties = PoolIntArray()
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for block in 0xC0:
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ts_properties.append(rom.get_16() + (rom.get_8() << 16))
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worldmap_block_properties.append(ts_properties)
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