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simplify list code

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This commit is contained in:
Ian Curtis 2016-04-17 00:00:51 +00:00
parent ad96676d68
commit c4dc96ef71
1 changed files with 17 additions and 27 deletions
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44
Src/Graphics/New3D/New3D.cpp
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@ -422,7 +422,7 @@ void CNew3D::DescendPointerList(UINT32 addr)
{
const UINT32* list;
UINT32 nodeAddr;
int listEnd;
int index;
if (m_listDepth > 2) { // several Step 2.1 games require this safeguard
return;
@ -437,49 +437,39 @@ void CNew3D::DescendPointerList(UINT32 addr)
m_listDepth++;
// Traverse the list forward and print it out
listEnd = 0;
index = 0;
while (1)
{
if ((list[listEnd] & 0x02000000)) { // end of list (?)
break;
while (true) {
if (list[index] & 0x01000000) {
break; // empty list
}
if ((list[listEnd] == 0) || (((list[listEnd]) >> 24) != 0)) {
listEnd--; // back up to last valid list element
break;
nodeAddr = list[index] & 0x00FFFFFF; // clear upper 8 bits to ensure this is processed as a culling node
DescendCullingNode(nodeAddr);
if (list[index] & 0x02000000) {
break; // list end
}
listEnd++;
index++;
}
for (int i = 0; i <= listEnd; i++) {
nodeAddr = list[i] & 0x00FFFFFF; // clear upper 8 bits to ensure this is processed as a culling node
if (!(list[i] & 0x01000000)) { //Fighting Vipers
if ((nodeAddr != 0) && (nodeAddr != 0x800800)) {
DescendCullingNode(nodeAddr);
}
}
}
/*
// Traverse the list backward and descend into each pointer
while (listEnd >= 0)
while (index >= 0)
{
nodeAddr = list[listEnd] & 0x00FFFFFF; // clear upper 8 bits to ensure this is processed as a culling node
nodeAddr = list[index] & 0x00FFFFFF; // clear upper 8 bits to ensure this is processed as a culling node
if (!(list[listEnd] & 0x01000000)) { //Fighting Vipers
if (!(list[index] & 0x01000000)) { //Fighting Vipers
if ((nodeAddr != 0) && (nodeAddr != 0x800800)) {
DescendCullingNode(nodeAddr);
}
}
listEnd--;
index--;
}
*/