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https://github.com/OpenDriver2/REDRIVER2.git
synced 2024-11-22 18:32:42 +01:00
- fix PVSDecode, GetPVSRegionCell2
This commit is contained in:
Ilya Shurumov
parent
7911f31f7b
commit
5ae3b0b710
@ -1221,142 +1221,137 @@ void GetVisSetAtPosition(VECTOR *pos, char *tgt, int *ccx, int *ccz)
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/* end block 3 */
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// End Line: 1807
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char nybblearray[512] = { 0 };
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unsigned char nybblearray[512] = { 0 };
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char* PVS_Buffers[4] = { 0 };
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int pvsSize[4] = { 0, 0, 0, 0 };
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unsigned char *PVSEncodeTable = NULL;
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// [A] - bugged
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// [D] [T]
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void PVSDecode(char *output, char *celldata, ushort sz, int havanaCorruptCellBodge)
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{
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// don't draw non-loaded regions
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//for (int k = 0; k < pvs_square_sq; k++)
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// output[k] = 1;
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unsigned char scratchPad[1024];
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//UNIMPLEMENTED();
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//return;
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char scratchPad[1024];
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unsigned char bVar1;
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int local_v0_580;
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int iVar2;
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char *pcVar3;
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unsigned char *pbVar4;
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uint uVar5;
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int iVar6;
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int iVar7;
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int iVar8;
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int iVar9;
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char *decodebuf;
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checkpad = 0;
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checkpad2 = 0;
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int pixelIndex;
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unsigned char* decodebuf;
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unsigned char* op;
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int i, j;
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int symIndex;
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int size;
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decodebuf = scratchPad;
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ClearMem(decodebuf,pvs_square_sq);
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ClearMem((char*)decodebuf,pvs_square_sq);
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iVar2 = 0;
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// this is correct I HOPE
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if (sz != 0)
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// decode byte-swapped array
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i = 0;
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while (i < sz)
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{
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pcVar3 = nybblearray;
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do
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((ushort*)nybblearray)[i] = SW_SHORT((unsigned char)celldata[i], (unsigned char)celldata[i] >> 4) & 0xf0f;
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i++;
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}
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pixelIndex = 0;
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symIndex = 0;
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i = 0;
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// decompress image
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while (i < sz * 2)
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{
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int ni;
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int sym;
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ni = nybblearray[i];
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i++;
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if (ni < 12)
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{
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pbVar4 = (unsigned char *)(celldata + iVar2);
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*(ushort *)pcVar3 = SW_SHORT(*pbVar4,*pbVar4 >> 4) & 0xf0f;
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pcVar3 += 2;
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symIndex = ni * 2;
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spod:
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sym = SW_SHORT(PVSEncodeTable[symIndex], PVSEncodeTable[symIndex + 1]);
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}
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else
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{
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if (i == sz*2)
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break;
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iVar2++;
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} while (iVar2 < sz);
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}
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sym = (ni & 3) * 16 + nybblearray[i];
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i++;
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iVar9 = ((uint)sz & 0x7fff) << 1;
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iVar2 = 0;
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if ((sz & 0x7fff) != 0) {
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pcVar3 = nybblearray;
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iVar8 = 0;
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do {
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bVar1 = *pcVar3;
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iVar7 = iVar8 + 1;
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if (bVar1 < 0xc)
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if (sym < 60)
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{
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iVar8 = bVar1 * 2;
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LAB_0005d0c8:
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uVar5 = (ushort)SW_SHORT(PVSEncodeTable[iVar8], PVSEncodeTable[iVar8+1]);
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symIndex = sym * 2 + 24;
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goto spod;
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}
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else
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{
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if (iVar7 == iVar9) break;
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uVar5 = (bVar1 & 3) * 0x10 + nybblearray[iVar8 + 1];
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iVar7 = iVar8 + 2;
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if (uVar5 < 0x3c)
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{
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iVar8 = uVar5 * 2 + 0x18;
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goto LAB_0005d0c8;
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}
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sym = ((sym & 3) * 16 + nybblearray[i]) * 16 + nybblearray[i+1];
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i += 2;
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}
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iVar7 = iVar8 + 4;
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uVar5 = ((uVar5 & 3) * 0x10 + nybblearray[iVar8 + 2]) * 0x10 + nybblearray[iVar8 + 3];
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}
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iVar8 = iVar2 + (uVar5 >> 1);
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decodebuf[iVar8] = 1;
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iVar2 = iVar8 + 1;
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if ((uVar5 & 1) != 0) {
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decodebuf[iVar8 + 1] = 1;
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iVar2 = iVar8 + 2;
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}
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pcVar3 = nybblearray + iVar7;
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iVar8 = iVar7;
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} while (iVar7 < iVar9);
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pixelIndex += (sym >> 1);
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decodebuf[pixelIndex] = 1;
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pixelIndex++;
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if ((sym & 1) != 0)
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{
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decodebuf[pixelIndex] = 1;
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pixelIndex++;
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}
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}
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iVar2 = pvs_square;
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if (havanaCorruptCellBodge == 0)
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decodebuf[pvs_square_sq-1] ^= 1;
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iVar7 = iVar2-2;
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iVar8 = iVar2-1;
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pbVar4 = (unsigned char *)(iVar7 * iVar2 + iVar2 + decodebuf - 1);
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iVar9 = iVar7;
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while (-1 < iVar9)
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size = pvs_square - 2;
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op = (decodebuf - 1) + (size * pvs_square + pvs_square);
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i = size;
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while (i >= 0)
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{
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iVar9--;
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iVar6 = iVar2;
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if (0 < iVar2)
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i--;
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j = pvs_square;
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while (j > 0)
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{
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do {
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*pbVar4 = *pbVar4 ^ pbVar4[iVar2];
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pbVar4--;
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iVar6--;
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} while (iVar6 != 0);
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*op = *op ^ op[pvs_square];
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j--;
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op--;
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}
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}
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pbVar4 = (unsigned char *)(iVar8 * iVar2 + iVar2 + decodebuf - 2);
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while (-1 < iVar8)
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size = pvs_square - 1;
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op = (decodebuf - 2) + (size * pvs_square + pvs_square);
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i = size;
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while (i >= 0)
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{
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iVar8--;
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iVar2 = iVar7;
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while (-1 < iVar2)
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j = pvs_square-2;
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while (j >= 0)
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{
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*pbVar4 = *pbVar4 ^ pbVar4[1];
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pbVar4--;
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iVar2--;
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*op = *op ^ op[1];
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j--;
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op--;
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}
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pbVar4--;
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i--;
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op--;
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}
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#if 0
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printf("=========================\n");
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for (i = 0; i < pvs_square; i++)
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{
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char line[64];
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memcpy(line, (char*)decodebuf + i * pvs_square, pvs_square);
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for (j = 0; j < pvs_square; j++)
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{
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if (line[j] == 0)
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line[j] = '.';
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else
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line[j] = 'O';
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}
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line[j] = 0;
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printf("%s\n", line);
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}
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printf("=========================\n");
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#endif
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memcpy(output, decodebuf, pvs_square_sq-1); // 110*4
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}
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@ -1447,9 +1442,7 @@ void GetPVSRegionCell2(int source_region, int region, int cell, char *output)
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PVSEncodeTable = (unsigned char *)(bp + 0x802);
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tbp = bp + cell * 2;
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length = (ushort)SW_SHORT((unsigned char)tbp[2], (unsigned char)tbp[3]) - (ushort)SW_SHORT((unsigned char)tbp[0], (unsigned char)tbp[1]) & 0xffff;
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length = SW_SHORT((unsigned char)tbp[2], (unsigned char)tbp[3]) - SW_SHORT((unsigned char)tbp[0], (unsigned char)tbp[1]) & 0xffff;
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if (length == 0)
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{
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@ -1462,9 +1455,7 @@ void GetPVSRegionCell2(int source_region, int region, int cell, char *output)
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if (regions_unpacked[source_region] == 158 && cell == 168)
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havanaCorruptCellBodge = (GameLevel == 1);
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printInfo("cell: %d, table: %x, pvs length: %d\n", cell, PVSEncodeTable, length);
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PVSDecode(output, bp + (ushort)SW_SHORT(tbp[0], tbp[1]), length, havanaCorruptCellBodge);
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PVSDecode(output, bp + SW_SHORT((unsigned char)tbp[0], (unsigned char)tbp[1]), length, havanaCorruptCellBodge);
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}
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}
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else
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