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better item parsing, displaying in char page, needs more work

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Hash Borgir
2023-06-04 23:02:01 -06:00
parent a1f3ca5320
commit beaeb2fd49
4 changed files with 157 additions and 36 deletions
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15
src/D2Char.php
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@@ -133,17 +133,26 @@ WHERE sk.charclass = '$class'";
public function parseItems() {
$i_TotalOffset = strpos($this->data, "JM"); // Find the offset of the "JM" marker in the data
fseek($this->fp, $i_TotalOffset + 2); // Move the file pointer to the next position after the "JM" marker
// get total # of items
$i_Total = unpack('S*', (fread($this->fp, 2)))[1]; // Read 2 bytes from the file and unpack them as an unsigned short (16-bit) value
// get offsets for each item from total, so if 50, run loop 50 times
// grab the offset of each item, each item starts with JM, skim JM (+2)
$i_Offsets = [];
for ($i = 0; $i <= $i_Total; $i++) {
$i_Offsets[] = strposX($this->data, "JM", $i + 2); // Find the offsets of the "JM" markers for each item
}
// foreach item offset, get item data byte length between the JMs
// k = item #, like 0,1,2,3, etc.
// v = actual offset of item
foreach ($i_Offsets as $k => $v) {
$itemOffsets[$v] = $i_Offsets[$k + 1] - $i_Offsets[$k]; // Calculate the length of each item's data by subtracting consecutive offsets
$itemOffsets[$v] = $i_Offsets[$k + 1] - $i_Offsets[$k]; // Calculate the length of each item's data by subtracting consecutive offsets in bytes
}
array_pop($itemOffsets); // Remove the last element from the itemOffsets array
array_pop($itemOffsets); // Remove the last element from the itemOffsets array, not sure why
//now get items. For each itemOffsets, create new D2Item object that parses the bitstream
// readh(offset, numbytes), convert toBits, feed into D2Item
$_items = [];
foreach ($itemOffsets as $offset => $bytes) {
$this->items[] = new D2Item($this->ByteReader->toBits($this->ByteReader->readh($offset, $bytes))); // Create a new D2Item object and add it to the items array