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brick tiling

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This commit is contained in:
minjaesong
2024-08-24 01:37:31 +09:00
parent ff66b65831
commit 96cdefb800
4 changed files with 56 additions and 27 deletions
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59
src/net/torvald/terrarum/worlddrawer/BlocksDrawer.kt
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@@ -169,12 +169,33 @@ internal object BlocksDrawer {
val connectLut16 = intArrayOf(0,2,0,2,4,6,4,6,0,2,0,2,4,6,4,6,8,10,8,10,12,14,12,14,8,10,8,10,12,14,12,14,0,2,0,2,4,6,4,6,0,2,0,2,4,6,4,6,8,10,8,10,12,14,12,14,8,10,8,10,12,14,12,14,1,3,1,3,5,7,5,7,1,3,1,3,5,7,5,7,9,11,9,11,13,15,13,15,9,11,9,11,13,15,13,15,1,3,1,3,5,7,5,7,1,3,1,3,5,7,5,7,9,11,9,11,13,15,13,15,9,11,9,11,13,15,13,15,0,2,0,2,4,6,4,6,0,2,0,2,4,6,4,6,8,10,8,10,12,14,12,14,8,10,8,10,12,14,12,14,0,2,0,2,4,6,4,6,0,2,0,2,4,6,4,6,8,10,8,10,12,14,12,14,8,10,8,10,12,14,12,14,1,3,1,3,5,7,5,7,1,3,1,3,5,7,5,7,9,11,9,11,13,15,13,15,9,11,9,11,13,15,13,15,1,3,1,3,5,7,5,7,1,3,1,3,5,7,5,7,9,11,9,11,13,15,13,15,9,11,9,11,13,15,13,15)
// order: TL, TR, BR, BL
val subtileVarBaseLuts = listOf(
val subtileVarBaseLuts = arrayOf(
intArrayOf(10,2,2,2,1,1,3,1,10,1,10,3,10,3,2,1,1,2,0,3,3,10,0,0,0,0,0,3,10,0,0,0,3,3,3,1,3,1,0,0,3,10,0,10,3,0,3),
intArrayOf(4,1,5,1,5,1,4,1,4,5,6,4,6,6,1,1,5,5,6,0,6,0,0,4,0,0,6,0,0,0,4,6,0,6,6,1,4,1,4,0,0,0,6,6,0,6,6),
intArrayOf(4,7,4,9,4,9,4,7,8,8,7,8,9,7,0,0,4,8,0,9,9,0,0,4,9,0,9,9,7,7,8,0,0,9,0,0,4,9,4,9,0,9,7,0,7,9,0),
intArrayOf(10,11,10,10,12,12,12,7,11,7,11,7,10,7,10,0,0,11,12,0,12,10,0,0,0,12,12,12,11,7,7,0,0,0,12,12,0,0,12,12,12,10,7,10,7,0,0),
)
// order: TL, TR, BR, BL
private val subtileReorientLUT = arrayOf(
intArrayOf(0 ,1 ,2 ,3 ,4 ,5 ,6 ,7 ,8 ,9 ,10,11,12,13,14,15,16,17,18,19,20), /* normal */
intArrayOf(0 ,1 ,5 ,6 ,10,2 ,3 ,7 ,11,12,4 ,8 ,9 ,14,13,20,19,18,17,16,15), /* horz flip */
intArrayOf(0 ,10,11,12,1 ,2 ,3 ,4 ,5 ,6 ,7 ,8 ,9 ,19,20,13,14,15,16,17,18), /* CW 90 */
intArrayOf(0 ,10,2 ,3 ,7 ,11,12,4 ,8 ,9 ,1 ,5 ,6 ,20,19,18,17,16,15,14,13), /* hfCW 90 */
intArrayOf(0 ,7 ,8 ,9 ,10,11,12,1 ,2 ,3 ,4 ,5 ,6 ,17,18,19,20,13,14,15,16), /* CW 180 */
intArrayOf(0 ,7 ,11,12,4 ,8 ,9 ,1 ,5 ,6 ,10,2 ,3 ,18,17,16,15,14,13,20,19), /* hfCW 180 */
intArrayOf(0 ,4 ,5 ,6 ,7 ,8 ,9 ,10,11,12,1 ,2 ,3 ,15,16,17,18,19,20,13,14), /* CW 270 */
intArrayOf(0 ,4 ,8 ,9 ,1 ,5 ,6 ,10,2 ,3 ,7 ,11,12,16,15,14,13,20,19,18,17), /* hfCW 270 */
)
// order: TL, TR, BR, BL
private val variantOpsLUT = arrayOf(
// newIndex = (oldIndex % A) + B for (a to b)
arrayOf(16 to 0,16 to 0,16 to 0,16 to 0), // TILING_FULL
arrayOf(16 to 0,16 to 0,16 to 0,16 to 0), // TILING_FULL_NOFLIP
arrayOf(8 to 0,8 to 8,8 to 8,8 to 0), // TILING_BRICK_SMALL
arrayOf(8 to 0,8 to 8,8 to 8,8 to 0), // TILING_BRICK_SMALL_NOFLIP
arrayOf(8 to 0,8 to 8,8 to 0,8 to 8), // TILING_BRICK_LARGE
arrayOf(8 to 0,8 to 8,8 to 0,8 to 8), // TILING_BRICK_LARGE_NOFLIP
)
init {
assert(256 == connectLut47.size)
@@ -524,13 +545,17 @@ internal object BlocksDrawer {
if (renderTag.maskType >= CreateTileAtlas.RenderTag.MASK_SUBTILE_GENERIC) {
hash = getHashCoord(x, y, 268435456, mode.modeToString())
val subtileSwizzlers = listOf(
(hash ushr 16) and 7,
(hash ushr 19) and 7,
(hash ushr 22) and 7,
(hash ushr 25) and 7,
)
val subtiles = getSubtileIndexOf(tileNumberBase, nearbyTilesInfo, hash, subtileSwizzlers, renderTag.maskType % 2 == 1)
val subtileSwizzlers = if (renderTag.tilingMode and 1 == 1)
intArrayOf(0,0,0,0)
else
intArrayOf(
(hash ushr 16) and 7,
(hash ushr 19) and 7,
(hash ushr 22) and 7,
(hash ushr 25) and 7,
)
val variantOps = variantOpsLUT[renderTag.tilingMode]
val subtiles = getSubtileIndexOf(tileNumberBase, nearbyTilesInfo, hash, subtileSwizzlers, variantOps)
/*TL*/writeToBufferSubtile(mode, bufferBaseX * 2 + 0, bufferBaseY * 2 + 0, subtiles[0].x, subtiles[0].y, breakingStage, subtileSwizzlers[0])
/*TR*/writeToBufferSubtile(mode, bufferBaseX * 2 + 1, bufferBaseY * 2 + 0, subtiles[1].x, subtiles[1].y, breakingStage, subtileSwizzlers[1])
@@ -874,8 +899,12 @@ internal object BlocksDrawer {
*
* @return subtile indices on the atlas, in the following order: TL, TR, BR, BL
*/
private fun getSubtileIndexOf(base: Int, nearbyTilesInfo: Int, variants: Int, subtileSwizzlers: List<Int>, brickTiling: Boolean): List<Point2i> {
val variants = (0..3).map { variants.ushr(it * 4) and 15 }
private fun getSubtileIndexOf(base: Int, nearbyTilesInfo: Int, variants: Int, subtileSwizzlers: IntArray, variantOps: Array<Pair<Int, Int>>): List<Point2i> {
val variants = (0..3).map { quadrant ->
(variants.ushr(quadrant * 4) and 15).let { oldIdx ->
variantOps[quadrant].let { (mod, add) -> (oldIdx % mod) + add }
}
}
val tilenumInAtlas = (0..3).map {
base.tileToSubtile() + 8*subtileVarBaseLuts[it][connectLut47[nearbyTilesInfo]].reorientSubtileUsingFliprotIdx(
subtileSwizzlers[it]
@@ -902,16 +931,6 @@ internal object BlocksDrawer {
return subtileReorientLUT[fliprotIndex][this]
}
private val subtileReorientLUT = arrayOf(
intArrayOf(0 ,1 ,2 ,3 ,4 ,5 ,6 ,7 ,8 ,9 ,10,11,12,13,14,15,16,17,18,19,20), /* normal */
intArrayOf(0 ,1 ,5 ,6 ,10,2 ,3 ,7 ,11,12,4 ,8 ,9 ,14,13,20,19,18,17,16,15), /* horz flip */
intArrayOf(0 ,10,11,12,1 ,2 ,3 ,4 ,5 ,6 ,7 ,8 ,9 ,19,20,13,14,15,16,17,18), /* CW 90 */
intArrayOf(0 ,10,2 ,3 ,7 ,11,12,4 ,8 ,9 ,1 ,5 ,6 ,20,19,18,17,16,15,14,13), /* hfCW 90 */
intArrayOf(0 ,7 ,8 ,9 ,10,11,12,1 ,2 ,3 ,4 ,5 ,6 ,17,18,19,20,13,14,15,16), /* CW 180 */
intArrayOf(0 ,7 ,11,12,4 ,8 ,9 ,1 ,5 ,6 ,10,2 ,3 ,18,17,16,15,14,13,20,19), /* hfCW 180 */
intArrayOf(0 ,4 ,5 ,6 ,7 ,8 ,9 ,10,11,12,1 ,2 ,3 ,15,16,17,18,19,20,13,14), /* CW 270 */
intArrayOf(0 ,4 ,8 ,9 ,1 ,5 ,6 ,10,2 ,3 ,7 ,11,12,16,15,14,13,20,19,18,17), /* hfCW 270 */
)
/**
* @param sheetX x-coord of the FULL TILE in an atlas