Added support for an extended autotile format containing full-tile concave corners

This commit is contained in:
Maruno17
2021-10-01 19:50:47 +01:00
parent c496fed620
commit 0b656edffc

View File

@@ -16,9 +16,11 @@ class TilemapRenderer
[37, 42, 43, 48], [17, 18, 47, 48], [13, 18, 43, 48], [ 1, 2, 7, 8] ]
]
# TODO: Doesn't allow for cache sizes smaller than 768.
# This doesn't allow for cache sizes smaller than 768, but if that applies
# to you, you've got bigger problems.
def self.expand(bitmap)
return bitmap if bitmap.height == SOURCE_TILE_HEIGHT
expanded_format = (bitmap.height == SOURCE_TILE_HEIGHT * 6)
wrap = false
if MAX_TEXTURE_SIZE < TILES_PER_AUTOTILE * SOURCE_TILE_HEIGHT
wrap = true # Each autotile will occupy two columns instead of one
@@ -32,6 +34,33 @@ class TilemapRenderer
wrap_offset_x = (wrap && id >= TILES_PER_AUTOTILE / 2) ? SOURCE_TILE_WIDTH : 0
wrap_offset_y = (wrap && id >= TILES_PER_AUTOTILE / 2) ? (TILES_PER_AUTOTILE / 2) * SOURCE_TILE_HEIGHT : 0
frames_count.times do |frame|
if expanded_format && [1, 2, 4, 8].include?(id)
dest_x = frame * SOURCE_TILE_WIDTH * (wrap ? 2 : 1)
dest_x += wrap_offset_x
next if dest_x > MAX_TEXTURE_SIZE
dest_y = id * SOURCE_TILE_HEIGHT
dest_y -= wrap_offset_y
next if dest_y > MAX_TEXTURE_SIZE
case id
when 1 # Top left corner
new_bitmap.blt(dest_x, dest_y, bitmap,
Rect.new(frame * SOURCE_TILE_WIDTH * 3, SOURCE_TILE_HEIGHT * 4,
SOURCE_TILE_WIDTH, SOURCE_TILE_HEIGHT))
when 2 # Top right corner
new_bitmap.blt(dest_x, dest_y, bitmap,
Rect.new(SOURCE_TILE_WIDTH + frame * SOURCE_TILE_WIDTH * 3, SOURCE_TILE_HEIGHT * 4,
SOURCE_TILE_WIDTH, SOURCE_TILE_HEIGHT))
when 4 # Bottom right corner
new_bitmap.blt(dest_x, dest_y, bitmap,
Rect.new(SOURCE_TILE_WIDTH + frame * SOURCE_TILE_WIDTH * 3, SOURCE_TILE_HEIGHT * 5,
SOURCE_TILE_WIDTH, SOURCE_TILE_HEIGHT))
when 8 # Bottom left corner
new_bitmap.blt(dest_x, dest_y, bitmap,
Rect.new(frame * SOURCE_TILE_WIDTH * 3, SOURCE_TILE_HEIGHT * 5,
SOURCE_TILE_WIDTH, SOURCE_TILE_HEIGHT))
end
next
end
pattern.each_with_index do |src_chunk, i|
real_src_chunk = src_chunk - 1
dest_x = (i % 2) * SOURCE_TILE_WIDTH / 2