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Add support for lily pad orientation calculation

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Mike Primm 2012-01-04 14:17:17 +08:00 committed by mikeprimm
parent a5bc33e1e9
commit 98a1f32e0f
1 changed files with 19 additions and 0 deletions
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19
src/main/java/org/dynmap/hdmap/TexturePack.java
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@ -1179,6 +1179,25 @@ public class TexturePack {
break;
case COLORMOD_CLEARINSIDE:
break;
case COLORMOD_LILYTONED:
/* Rotate texture based on lily orientation function (from renderBlockLilyPad in RenderBlocks.jara in MCP) */
long l1 = (long)(mapiter.getX() * 0x2fc20f) ^ (long)mapiter.getZ() * 0x6ebfff5L ^ (long)mapiter.getY();
l1 = l1 * l1 * 0x285b825L + l1 * 11L;
int orientation = (int)(l1 >> 16 & 3L);
switch(orientation) {
case 0:
tmp = u; u = native_scale - v - 1; v = tmp;
break;
case 1:
u = native_scale - u - 1; v = native_scale - v - 1;
break;
case 2:
tmp = u; u = v; v = native_scale - tmp - 1;
break;
case 3:
break;
}
break;
}
/* Read color from texture */
rslt.setARGB(texture[v*native_scale + u]);