Decompile texInflateHuffman
This commit is contained in:
Ryan Dwyer
parent
5b76e3da49
commit
8672c941ef
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@ -1456,12 +1456,12 @@ s32 texInflateNonZlib(u8 *src, u8 *dst, s32 arg2, s32 forcenumimages, struct tex
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}
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switch (compmethod) {
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case TEXCOMPMETHOD_0:
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case TEXCOMPMETHOD_1:
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case TEXCOMPMETHOD_UNCOMPRESSED0:
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case TEXCOMPMETHOD_UNCOMPRESSED1:
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imagebytesout = texReadUncompressed(&dst[totalbytesout], width, height, format);
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break;
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case TEXCOMPMETHOD_HUFFMAN2:
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func0f1711b4(scratch, g_TexFormatNumChannels[format] * width * height, g_TexFormatChannelSizes[format]);
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case TEXCOMPMETHOD_HUFFMAN:
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texInflateHuffman(scratch, g_TexFormatNumChannels[format] * width * height, g_TexFormatChannelSizes[format]);
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if (g_TexFormatHas1BitAlpha[format]) {
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texReadAlphaBits(&scratch[width * height * 3], width * height);
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@ -1469,9 +1469,9 @@ s32 texInflateNonZlib(u8 *src, u8 *dst, s32 arg2, s32 forcenumimages, struct tex
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imagebytesout = texChannelsToPixels(scratch, width, height, &dst[totalbytesout], format);
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break;
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case TEXCOMPMETHOD_HUFFMAN3:
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case TEXCOMPMETHOD_HUFFMANPERHCHANNEL:
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for (j = 0; j < g_TexFormatNumChannels[format]; j++) {
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func0f1711b4(&scratch[width * height * j], width * height, g_TexFormatChannelSizes[format]);
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texInflateHuffman(&scratch[width * height * j], width * height, g_TexFormatChannelSizes[format]);
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}
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if (g_TexFormatHas1BitAlpha[format]) {
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@ -1495,7 +1495,7 @@ s32 texInflateNonZlib(u8 *src, u8 *dst, s32 arg2, s32 forcenumimages, struct tex
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break;
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case TEXCOMPMETHOD_HUFFMANLOOKUP:
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value = texBuildLookup(lookup, g_TexFormatBitsPerPixel[format]);
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func0f1711b4(scratch, width * height, value);
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texInflateHuffman(scratch, width * height, value);
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imagebytesout = func0f172554(scratch, width, height, &dst[totalbytesout], lookup, value, format);
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break;
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case TEXCOMPMETHOD_RLELOOKUP:
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@ -1503,9 +1503,9 @@ s32 texInflateNonZlib(u8 *src, u8 *dst, s32 arg2, s32 forcenumimages, struct tex
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texInflateRle(scratch, width * height);
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imagebytesout = func0f172554(scratch, width, height, &dst[totalbytesout], lookup, value, format);
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break;
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case TEXCOMPMETHOD_HUFFMANPREPROCESSED:
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case TEXCOMPMETHOD_HUFFMANBLUR:
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value = texReadBits(3);
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func0f1711b4(scratch, g_TexFormatNumChannels[format] * width * height, g_TexFormatChannelSizes[format]);
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texInflateHuffman(scratch, g_TexFormatNumChannels[format] * width * height, g_TexFormatChannelSizes[format]);
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texBlur(scratch, width, g_TexFormatNumChannels[format] * height, value, g_TexFormatChannelSizes[format]);
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if (g_TexFormatHas1BitAlpha[format]) {
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@ -1514,7 +1514,7 @@ s32 texInflateNonZlib(u8 *src, u8 *dst, s32 arg2, s32 forcenumimages, struct tex
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imagebytesout = texChannelsToPixels(scratch, width, height, &dst[totalbytesout], format);
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break;
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case TEXCOMPMETHOD_9:
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case TEXCOMPMETHOD_RLEBLUR:
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value = texReadBits(3);
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texInflateRle(scratch, g_TexFormatNumChannels[format] * width * height);
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texBlur(scratch, width, g_TexFormatNumChannels[format] * height, value, g_TexFormatChannelSizes[format]);
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@ -2387,275 +2387,147 @@ glabel var7f1b7abc
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/* f1711b0: 27bd00a8 */ addiu $sp,$sp,0xa8
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);
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GLOBAL_ASM(
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glabel func0f1711b4
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/* f1711b4: 27bdcf90 */ addiu $sp,$sp,-12400
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/* f1711b8: afbf002c */ sw $ra,0x2c($sp)
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/* f1711bc: afb50028 */ sw $s5,0x28($sp)
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/* f1711c0: afb40024 */ sw $s4,0x24($sp)
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/* f1711c4: afb10018 */ sw $s1,0x18($sp)
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/* f1711c8: 00c0a025 */ or $s4,$a2,$zero
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/* f1711cc: 0080a825 */ or $s5,$a0,$zero
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/* f1711d0: afb30020 */ sw $s3,0x20($sp)
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/* f1711d4: afb2001c */ sw $s2,0x1c($sp)
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/* f1711d8: afb00014 */ sw $s0,0x14($sp)
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/* f1711dc: afa53074 */ sw $a1,0x3074($sp)
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/* f1711e0: 0000f825 */ or $ra,$zero,$zero
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/* f1711e4: 18c0000a */ blez $a2,.L0f171210
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/* f1711e8: 00008825 */ or $s1,$zero,$zero
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/* f1711ec: 27b02070 */ addiu $s0,$sp,0x2070
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.L0f1711f0:
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/* f1711f0: afbf0054 */ sw $ra,0x54($sp)
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/* f1711f4: 0fc5cd4f */ jal texReadBits
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/* f1711f8: 24040008 */ addiu $a0,$zero,0x8
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/* f1711fc: 26310001 */ addiu $s1,$s1,0x1
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/* f171200: 8fbf0054 */ lw $ra,0x54($sp)
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/* f171204: 26100002 */ addiu $s0,$s0,0x2
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/* f171208: 1634fff9 */ bne $s1,$s4,.L0f1711f0
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/* f17120c: a602fffe */ sh $v0,-0x2($s0)
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.L0f171210:
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/* f171210: 27a20070 */ addiu $v0,$sp,0x70
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/* f171214: 27a42070 */ addiu $a0,$sp,0x2070
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/* f171218: 2403ffff */ addiu $v1,$zero,-1
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.L0f17121c:
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/* f17121c: 24420004 */ addiu $v0,$v0,0x4
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/* f171220: 0044082b */ sltu $at,$v0,$a0
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/* f171224: a443fffc */ sh $v1,-0x4($v0)
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/* f171228: 1420fffc */ bnez $at,.L0f17121c
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/* f17122c: a443fffe */ sh $v1,-0x2($v0)
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/* f171230: 2408270f */ addiu $t0,$zero,0x270f
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/* f171234: 2406270f */ addiu $a2,$zero,0x270f
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/* f171238: 1a80001e */ blez $s4,.L0f1712b4
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/* f17123c: 00008825 */ or $s1,$zero,$zero
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/* f171240: 27b02070 */ addiu $s0,$sp,0x2070
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/* f171244: 8fa9005c */ lw $t1,0x5c($sp)
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/* f171248: 8fa70058 */ lw $a3,0x58($sp)
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.L0f17124c:
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/* f17124c: 96040000 */ lhu $a0,0x0($s0)
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/* f171250: 01001825 */ or $v1,$t0,$zero
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/* f171254: 00c02825 */ or $a1,$a2,$zero
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/* f171258: 0088082a */ slt $at,$a0,$t0
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/* f17125c: 1020000a */ beqz $at,.L0f171288
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/* f171260: 00801025 */ or $v0,$a0,$zero
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/* f171264: 00a3082a */ slt $at,$a1,$v1
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/* f171268: 50200005 */ beqzl $at,.L0f171280
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/* f17126c: 3086ffff */ andi $a2,$a0,0xffff
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/* f171270: 3088ffff */ andi $t0,$a0,0xffff
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/* f171274: 10000009 */ b .L0f17129c
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/* f171278: 02204825 */ or $t1,$s1,$zero
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/* f17127c: 3086ffff */ andi $a2,$a0,0xffff
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.L0f171280:
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/* f171280: 10000006 */ b .L0f17129c
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/* f171284: 02203825 */ or $a3,$s1,$zero
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.L0f171288:
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/* f171288: 0045082a */ slt $at,$v0,$a1
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/* f17128c: 50200004 */ beqzl $at,.L0f1712a0
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/* f171290: 26310001 */ addiu $s1,$s1,0x1
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/* f171294: 3086ffff */ andi $a2,$a0,0xffff
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/* f171298: 02203825 */ or $a3,$s1,$zero
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.L0f17129c:
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/* f17129c: 26310001 */ addiu $s1,$s1,0x1
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.L0f1712a0:
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/* f1712a0: 1634ffea */ bne $s1,$s4,.L0f17124c
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/* f1712a4: 26100002 */ addiu $s0,$s0,0x2
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/* f1712a8: 00008825 */ or $s1,$zero,$zero
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/* f1712ac: afa70058 */ sw $a3,0x58($sp)
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/* f1712b0: afa9005c */ sw $t1,0x5c($sp)
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.L0f1712b4:
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/* f1712b4: 8fa70058 */ lw $a3,0x58($sp)
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/* f1712b8: 8fa9005c */ lw $t1,0x5c($sp)
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/* f1712bc: 27b30070 */ addiu $s3,$sp,0x70
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/* f1712c0: 240d270f */ addiu $t5,$zero,0x270f
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/* f1712c4: 240c270f */ addiu $t4,$zero,0x270f
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/* f1712c8: 27ab2070 */ addiu $t3,$sp,0x2070
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/* f1712cc: 00077040 */ sll $t6,$a3,0x1
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.L0f1712d0:
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/* f1712d0: 00097840 */ sll $t7,$t1,0x1
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/* f1712d4: 016f1021 */ addu $v0,$t3,$t7
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/* f1712d8: 016e2821 */ addu $a1,$t3,$t6
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/* f1712dc: 94b80000 */ lhu $t8,0x0($a1)
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/* f1712e0: 94590000 */ lhu $t9,0x0($v0)
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/* f1712e4: 00097080 */ sll $t6,$t1,0x2
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/* f1712e8: 00077880 */ sll $t7,$a3,0x2
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/* f1712ec: 03195021 */ addu $t2,$t8,$t9
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/* f1712f0: 026f2021 */ addu $a0,$s3,$t7
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/* f1712f4: 026e1821 */ addu $v1,$s3,$t6
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/* f1712f8: 2408270f */ addiu $t0,$zero,0x270f
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/* f1712fc: 15400002 */ bnez $t2,.L0f171308
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/* f171300: 2406270f */ addiu $a2,$zero,0x270f
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/* f171304: 240a0001 */ addiu $t2,$zero,0x1
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.L0f171308:
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/* f171308: 84780000 */ lh $t8,0x0($v1)
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/* f17130c: a44c0000 */ sh $t4,0x0($v0)
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/* f171310: a4ac0000 */ sh $t4,0x0($a1)
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/* f171314: 07010013 */ bgez $t8,.L0f171364
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/* f171318: 27b02070 */ addiu $s0,$sp,0x2070
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/* f17131c: 84790002 */ lh $t9,0x2($v1)
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/* f171320: 252e2710 */ addiu $t6,$t1,0x2710
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/* f171324: 07230010 */ bgezl $t9,.L0f171368
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/* f171328: 848e0000 */ lh $t6,0x0($a0)
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/* f17132c: a46e0000 */ sh $t6,0x0($v1)
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/* f171330: 848f0000 */ lh $t7,0x0($a0)
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/* f171334: 01209025 */ or $s2,$t1,$zero
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/* f171338: a44a0000 */ sh $t2,0x0($v0)
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/* f17133c: 05e10007 */ bgez $t7,.L0f17135c
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/* f171340: 00000000 */ nop
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/* f171344: 84980002 */ lh $t8,0x2($a0)
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/* f171348: 24f92710 */ addiu $t9,$a3,0x2710
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/* f17134c: 07010003 */ bgez $t8,.L0f17135c
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/* f171350: 00000000 */ nop
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/* f171354: 10000037 */ b .L0f171434
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/* f171358: a4790002 */ sh $t9,0x2($v1)
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.L0f17135c:
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/* f17135c: 10000035 */ b .L0f171434
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/* f171360: a4670002 */ sh $a3,0x2($v1)
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.L0f171364:
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/* f171364: 848e0000 */ lh $t6,0x0($a0)
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.L0f171368:
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/* f171368: 87b80070 */ lh $t8,0x70($sp)
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/* f17136c: 05c10013 */ bgez $t6,.L0f1713bc
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/* f171370: 00000000 */ nop
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/* f171374: 848f0002 */ lh $t7,0x2($a0)
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/* f171378: 05e10010 */ bgez $t7,.L0f1713bc
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/* f17137c: 00000000 */ nop
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/* f171380: 24f82710 */ addiu $t8,$a3,0x2710
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/* f171384: a4980000 */ sh $t8,0x0($a0)
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/* f171388: 84790000 */ lh $t9,0x0($v1)
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/* f17138c: 00e09025 */ or $s2,$a3,$zero
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/* f171390: a4aa0000 */ sh $t2,0x0($a1)
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/* f171394: 07210007 */ bgez $t9,.L0f1713b4
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/* f171398: 00000000 */ nop
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/* f17139c: 846e0002 */ lh $t6,0x2($v1)
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/* f1713a0: 252f2710 */ addiu $t7,$t1,0x2710
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/* f1713a4: 05c10003 */ bgez $t6,.L0f1713b4
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/* f1713a8: 00000000 */ nop
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/* f1713ac: 10000021 */ b .L0f171434
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/* f1713b0: a48f0002 */ sh $t7,0x2($a0)
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.L0f1713b4:
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/* f1713b4: 1000001f */ b .L0f171434
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/* f1713b8: a4890002 */ sh $t1,0x2($a0)
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.L0f1713bc:
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/* f1713bc: 07010009 */ bgez $t8,.L0f1713e4
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/* f1713c0: 00009025 */ or $s2,$zero,$zero
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/* f1713c4: 0000c880 */ sll $t9,$zero,0x2
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/* f1713c8: 02791021 */ addu $v0,$s3,$t9
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/* f1713cc: 844e0002 */ lh $t6,0x2($v0)
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/* f1713d0: 97af2070 */ lhu $t7,0x2070($sp)
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/* f1713d4: 05c10003 */ bgez $t6,.L0f1713e4
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/* f1713d8: 29e1270f */ slti $at,$t7,0x270f
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/* f1713dc: 50200011 */ beqzl $at,.L0f171424
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/* f1713e0: 00127040 */ sll $t6,$s2,0x1
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.L0f1713e4:
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/* f1713e4: 26520001 */ addiu $s2,$s2,0x1
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.L0f1713e8:
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/* f1713e8: 0012c080 */ sll $t8,$s2,0x2
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/* f1713ec: 02781021 */ addu $v0,$s3,$t8
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/* f1713f0: 84590000 */ lh $t9,0x0($v0)
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/* f1713f4: 0723fffc */ bgezl $t9,.L0f1713e8
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/* f1713f8: 26520001 */ addiu $s2,$s2,0x1
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/* f1713fc: 844e0002 */ lh $t6,0x2($v0)
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/* f171400: 05c3fff9 */ bgezl $t6,.L0f1713e8
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/* f171404: 26520001 */ addiu $s2,$s2,0x1
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/* f171408: 00127840 */ sll $t7,$s2,0x1
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/* f17140c: 016fc021 */ addu $t8,$t3,$t7
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/* f171410: 97190000 */ lhu $t9,0x0($t8)
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/* f171414: 2b21270f */ slti $at,$t9,0x270f
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/* f171418: 5420fff3 */ bnezl $at,.L0f1713e8
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/* f17141c: 26520001 */ addiu $s2,$s2,0x1
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/* f171420: 00127040 */ sll $t6,$s2,0x1
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.L0f171424:
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/* f171424: 016e7821 */ addu $t7,$t3,$t6
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/* f171428: a5ea0000 */ sh $t2,0x0($t7)
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/* f17142c: a4490000 */ sh $t1,0x0($v0)
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/* f171430: a4470002 */ sh $a3,0x2($v0)
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.L0f171434:
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/* f171434: 1a800019 */ blez $s4,.L0f17149c
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/* f171438: 00000000 */ nop
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.L0f17143c:
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/* f17143c: 96040000 */ lhu $a0,0x0($s0)
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/* f171440: 01001825 */ or $v1,$t0,$zero
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/* f171444: 00c02825 */ or $a1,$a2,$zero
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/* f171448: 0088082a */ slt $at,$a0,$t0
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/* f17144c: 1020000a */ beqz $at,.L0f171478
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/* f171450: 00801025 */ or $v0,$a0,$zero
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/* f171454: 00a3082a */ slt $at,$a1,$v1
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/* f171458: 50200005 */ beqzl $at,.L0f171470
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/* f17145c: 3086ffff */ andi $a2,$a0,0xffff
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/* f171460: 3088ffff */ andi $t0,$a0,0xffff
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/* f171464: 10000009 */ b .L0f17148c
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/* f171468: 02204825 */ or $t1,$s1,$zero
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/* f17146c: 3086ffff */ andi $a2,$a0,0xffff
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.L0f171470:
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/* f171470: 10000006 */ b .L0f17148c
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/* f171474: 02203825 */ or $a3,$s1,$zero
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.L0f171478:
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/* f171478: 0045082a */ slt $at,$v0,$a1
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/* f17147c: 50200004 */ beqzl $at,.L0f171490
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/* f171480: 26310001 */ addiu $s1,$s1,0x1
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/* f171484: 3086ffff */ andi $a2,$a0,0xffff
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/* f171488: 02203825 */ or $a3,$s1,$zero
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.L0f17148c:
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/* f17148c: 26310001 */ addiu $s1,$s1,0x1
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.L0f171490:
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/* f171490: 1634ffea */ bne $s1,$s4,.L0f17143c
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/* f171494: 26100002 */ addiu $s0,$s0,0x2
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/* f171498: 00008825 */ or $s1,$zero,$zero
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.L0f17149c:
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/* f17149c: 51a80004 */ beql $t5,$t0,.L0f1714b0
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/* f1714a0: 241f0001 */ addiu $ra,$zero,0x1
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/* f1714a4: 15a60002 */ bne $t5,$a2,.L0f1714b0
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/* f1714a8: 00000000 */ nop
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/* f1714ac: 241f0001 */ addiu $ra,$zero,0x1
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.L0f1714b0:
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/* f1714b0: 53e0ff87 */ beqzl $ra,.L0f1712d0
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/* f1714b4: 00077040 */ sll $t6,$a3,0x1
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/* f1714b8: 8fb83074 */ lw $t8,0x3074($sp)
|
||||
/* f1714bc: afb20068 */ sw $s2,0x68($sp)
|
||||
/* f1714c0: 27b30070 */ addiu $s3,$sp,0x70
|
||||
/* f1714c4: 1b00001b */ blez $t8,.L0f171534
|
||||
/* f1714c8: 2a412710 */ slti $at,$s2,0x2710
|
||||
.L0f1714cc:
|
||||
/* f1714cc: 1020000b */ beqz $at,.L0f1714fc
|
||||
/* f1714d0: 02408025 */ or $s0,$s2,$zero
|
||||
.L0f1714d4:
|
||||
/* f1714d4: 0fc5cd4f */ jal texReadBits
|
||||
/* f1714d8: 24040001 */ addiu $a0,$zero,0x1
|
||||
/* f1714dc: 0010c880 */ sll $t9,$s0,0x2
|
||||
/* f1714e0: 02797021 */ addu $t6,$s3,$t9
|
||||
/* f1714e4: 00027840 */ sll $t7,$v0,0x1
|
||||
/* f1714e8: 01cfc021 */ addu $t8,$t6,$t7
|
||||
/* f1714ec: 87100000 */ lh $s0,0x0($t8)
|
||||
/* f1714f0: 2a012710 */ slti $at,$s0,0x2710
|
||||
/* f1714f4: 1420fff7 */ bnez $at,.L0f1714d4
|
||||
/* f1714f8: 00000000 */ nop
|
||||
.L0f1714fc:
|
||||
/* f1714fc: 2a810101 */ slti $at,$s4,0x101
|
||||
/* f171500: 10200005 */ beqz $at,.L0f171518
|
||||
/* f171504: 260fd8f0 */ addiu $t7,$s0,-10000
|
||||
/* f171508: 2619d8f0 */ addiu $t9,$s0,-10000
|
||||
/* f17150c: 02b17021 */ addu $t6,$s5,$s1
|
||||
/* f171510: 10000004 */ b .L0f171524
|
||||
/* f171514: a1d90000 */ sb $t9,0x0($t6)
|
||||
.L0f171518:
|
||||
/* f171518: 0011c040 */ sll $t8,$s1,0x1
|
||||
/* f17151c: 02b8c821 */ addu $t9,$s5,$t8
|
||||
/* f171520: a72f0000 */ sh $t7,0x0($t9)
|
||||
.L0f171524:
|
||||
/* f171524: 8fae3074 */ lw $t6,0x3074($sp)
|
||||
/* f171528: 26310001 */ addiu $s1,$s1,0x1
|
||||
/* f17152c: 562effe7 */ bnel $s1,$t6,.L0f1714cc
|
||||
/* f171530: 2a412710 */ slti $at,$s2,0x2710
|
||||
.L0f171534:
|
||||
/* f171534: 8fbf002c */ lw $ra,0x2c($sp)
|
||||
/* f171538: 8fb00014 */ lw $s0,0x14($sp)
|
||||
/* f17153c: 8fb10018 */ lw $s1,0x18($sp)
|
||||
/* f171540: 8fb2001c */ lw $s2,0x1c($sp)
|
||||
/* f171544: 8fb30020 */ lw $s3,0x20($sp)
|
||||
/* f171548: 8fb40024 */ lw $s4,0x24($sp)
|
||||
/* f17154c: 8fb50028 */ lw $s5,0x28($sp)
|
||||
/* f171550: 03e00008 */ jr $ra
|
||||
/* f171554: 27bd3070 */ addiu $sp,$sp,0x3070
|
||||
);
|
||||
/**
|
||||
* Inflate Huffman data.
|
||||
*
|
||||
* This function operates on single channels rather than whole colours.
|
||||
* For example, for an RGBA32 image this function may be called once for each
|
||||
* channel with chansize = 256. This means the resulting data is in the format
|
||||
* RRR...GGG...BBB...AAA..., and the caller must convert it into a proper pixel
|
||||
* format.
|
||||
*
|
||||
* A typical Huffman implementation stores a tree, where each node contains
|
||||
* the lookup value and its frequency (number of uses). However, Rare's
|
||||
* implementation only stores a list of frequencies. It uses the chansize
|
||||
* to know how many values there are.
|
||||
*/
|
||||
void texInflateHuffman(u8 *dst, s32 numiterations, s32 chansize)
|
||||
{
|
||||
u16 frequencies[2048];
|
||||
s16 nodes[2048][2];
|
||||
s32 i;
|
||||
s32 rootindex;
|
||||
s32 sum;
|
||||
u16 minfreq1;
|
||||
u16 minfreq2;
|
||||
s32 minindex1; // 5c
|
||||
s32 minindex2; // 58
|
||||
bool done = false;
|
||||
|
||||
// Read the frequencies list
|
||||
for (i = 0; i < chansize; i++) {
|
||||
frequencies[i] = texReadBits(8);
|
||||
}
|
||||
|
||||
// Initialise the tree
|
||||
for (i = 0; i < 2048; i++) {
|
||||
nodes[i][0] = -1;
|
||||
nodes[i][1] = -1;
|
||||
}
|
||||
|
||||
// Find the two smallest frequencies
|
||||
minfreq1 = 9999;
|
||||
minfreq2 = 9999;
|
||||
|
||||
for (i = 0; i < chansize; i++) {
|
||||
if (frequencies[i] < minfreq1) {
|
||||
if (minfreq2 < minfreq1) {
|
||||
minfreq1 = frequencies[i];
|
||||
minindex1 = i;
|
||||
} else {
|
||||
minfreq2 = frequencies[i];
|
||||
minindex2 = i;
|
||||
}
|
||||
} else if (frequencies[i] < minfreq2) {
|
||||
minfreq2 = frequencies[i];
|
||||
minindex2 = i;
|
||||
}
|
||||
}
|
||||
|
||||
// Build the tree.
|
||||
// For each node in tree, a branch value < 10000 means this branch
|
||||
// leads to another node, and the value is the target node's index.
|
||||
// A branch value >= 10000 means the branch is a leaf node,
|
||||
// and the value is the channel value + 10000.
|
||||
while (!done) {
|
||||
sum = frequencies[minindex1] + frequencies[minindex2];
|
||||
|
||||
if (sum == 0) {
|
||||
sum = 1;
|
||||
}
|
||||
|
||||
frequencies[minindex1] = 9999;
|
||||
frequencies[minindex2] = 9999;
|
||||
|
||||
if (nodes[minindex1][0] < 0 && nodes[minindex1][1] < 0) {
|
||||
nodes[minindex1][0] = minindex1 + 10000;
|
||||
rootindex = minindex1;
|
||||
frequencies[minindex1] = sum;
|
||||
|
||||
if (nodes[minindex2][0] < 0 && nodes[minindex2][1] < 0) {
|
||||
nodes[minindex1][1] = minindex2 + 10000;
|
||||
} else {
|
||||
nodes[minindex1][1] = minindex2;
|
||||
}
|
||||
} else if (nodes[minindex2][0] < 0 && nodes[minindex2][1] < 0) {
|
||||
nodes[minindex2][0] = minindex2 + 10000;
|
||||
rootindex = minindex2;
|
||||
frequencies[minindex2] = sum;
|
||||
|
||||
if (nodes[minindex1][0] < 0 && nodes[minindex1][1] < 0) {
|
||||
nodes[minindex2][1] = minindex1 + 10000;
|
||||
} else {
|
||||
nodes[minindex2][1] = minindex1;
|
||||
}
|
||||
} else {
|
||||
for (rootindex = 0; nodes[rootindex][0] >= 0 || nodes[rootindex][1] >= 0 || frequencies[rootindex] < 9999; rootindex++);
|
||||
|
||||
frequencies[rootindex] = sum;
|
||||
nodes[rootindex][0] = minindex1;
|
||||
nodes[rootindex][1] = minindex2;
|
||||
}
|
||||
|
||||
// Find the two smallest frequencies again for the next iteration
|
||||
minfreq1 = 9999;
|
||||
minfreq2 = 9999;
|
||||
|
||||
for (i = 0; i < chansize; i++) {
|
||||
if (frequencies[i] < minfreq1) {
|
||||
if (minfreq1 > minfreq2) {
|
||||
minfreq1 = frequencies[i];
|
||||
minindex1 = i;
|
||||
} else {
|
||||
minfreq2 = frequencies[i];
|
||||
minindex2 = i;
|
||||
}
|
||||
} else if (frequencies[i] < minfreq2) {
|
||||
minfreq2 = frequencies[i];
|
||||
minindex2 = i;
|
||||
}
|
||||
}
|
||||
|
||||
if (minfreq1 == 9999 || minfreq2 == 9999) {
|
||||
done = true;
|
||||
}
|
||||
}
|
||||
|
||||
// Read bits off the bitstring, traverse the tree
|
||||
// and write the channel values to dst
|
||||
for (i = 0; i < numiterations; i++) {
|
||||
s32 indexorvalue = rootindex;
|
||||
|
||||
while (indexorvalue < 10000) {
|
||||
indexorvalue = nodes[indexorvalue][texReadBits(1)];
|
||||
}
|
||||
|
||||
if (chansize <= 256) {
|
||||
dst[i] = indexorvalue - 10000;
|
||||
} else {
|
||||
u16 *tmp = (u16 *)dst;
|
||||
tmp[i] = indexorvalue - 10000;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Inflate runlength-encoded data.
|
||||
|
|
|
|||
|
|
@ -3886,16 +3886,16 @@
|
|||
#define TELEPORTSTATE_WHITE 3
|
||||
#define TELEPORTSTATE_EXITING 4
|
||||
|
||||
#define TEXCOMPMETHOD_0 0
|
||||
#define TEXCOMPMETHOD_1 1
|
||||
#define TEXCOMPMETHOD_HUFFMAN2 2
|
||||
#define TEXCOMPMETHOD_HUFFMAN3 3
|
||||
#define TEXCOMPMETHOD_RLE 4
|
||||
#define TEXCOMPMETHOD_LOOKUP 5
|
||||
#define TEXCOMPMETHOD_HUFFMANLOOKUP 6
|
||||
#define TEXCOMPMETHOD_RLELOOKUP 7
|
||||
#define TEXCOMPMETHOD_HUFFMANPREPROCESSED 8
|
||||
#define TEXCOMPMETHOD_9 9
|
||||
#define TEXCOMPMETHOD_UNCOMPRESSED0 0
|
||||
#define TEXCOMPMETHOD_UNCOMPRESSED1 1
|
||||
#define TEXCOMPMETHOD_HUFFMAN 2
|
||||
#define TEXCOMPMETHOD_HUFFMANPERHCHANNEL 3
|
||||
#define TEXCOMPMETHOD_RLE 4
|
||||
#define TEXCOMPMETHOD_LOOKUP 5
|
||||
#define TEXCOMPMETHOD_HUFFMANLOOKUP 6
|
||||
#define TEXCOMPMETHOD_RLELOOKUP 7
|
||||
#define TEXCOMPMETHOD_HUFFMANBLUR 8
|
||||
#define TEXCOMPMETHOD_RLEBLUR 9
|
||||
|
||||
#define TEXFORMAT_RGBA32 0x00 // 32-bit RGBA (8/8/8/8)
|
||||
#define TEXFORMAT_RGBA16 0x01 // 16-bit RGBA (5/5/5/1)
|
||||
|
|
|
|||
|
|
@ -16,7 +16,7 @@ u32 func0f16fc8c(void);
|
|||
s32 func0f16fd50(u16 *arg0, s32 arg1, s32 arg2, s32 arg3);
|
||||
s32 texInflateNonZlib(u8 *src, u8 *dst, s32 arg2, s32 forcenumimages, struct texturething *arg4, s32 arg5);
|
||||
s32 func0f1706ec(u8 *arg0, u8 *arg1, s32 arg2, s32 arg3, s32 format);
|
||||
void func0f1711b4(u8 *arg0, s32 arg1, s32 chansize);
|
||||
void texInflateHuffman(u8 *dst, s32 numiterations, s32 chansize);
|
||||
void texInflateRle(u8 *arg0, s32 arg1);
|
||||
s32 texBuildLookup(u8 *arg0, s32 bpp);
|
||||
s32 texGetBitSize(s32 arg0);
|
||||
|
|
|
|||
Loading…
Reference in New Issue