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-rw-r--r--src/control/PathFind.cpp370
1 files changed, 350 insertions, 20 deletions
diff --git a/src/control/PathFind.cpp b/src/control/PathFind.cpp
index 608a209a..9f45c454 100644
--- a/src/control/PathFind.cpp
+++ b/src/control/PathFind.cpp
@@ -5,13 +5,17 @@
#include "Camera.h"
#include "Vehicle.h"
#include "World.h"
+#include "Lines.h" // for debug
#include "PathFind.h"
-CPathFind &ThePaths = *(CPathFind*)0x8F6754;
+bool gbShowPedPaths;
+bool gbShowCarPaths;
+bool gbShowCarPathsLinks;
-WRAPPER bool CPedPath::CalcPedRoute(uint8, CVector, CVector, CVector*, int16*, int16) { EAXJMP(0x42E680); }
+CPathFind &ThePaths = *(CPathFind*)0x8F6754;
#define MAX_DIST INT16_MAX-1
+#define MIN_PED_ROUTE_DISTANCE 23.8f
// object flags:
// 1 UseInRoadBlock
@@ -23,6 +27,199 @@ CPathInfoForObject *&InfoForTilePeds = *(CPathInfoForObject**)0x8F1AE4;
CTempDetachedNode *&DetachedNodesCars = *(CTempDetachedNode**)0x8E2824;
CTempDetachedNode *&DetachedNodesPeds = *(CTempDetachedNode**)0x8E28A0;
+bool
+CPedPath::CalcPedRoute(int8 pathType, CVector position, CVector destination, CVector *pointPoses, int16 *pointsFound, int16 maxPoints)
+{
+ *pointsFound = 0;
+ CVector vecDistance = destination - position;
+ if (Abs(vecDistance.x) > MIN_PED_ROUTE_DISTANCE || Abs(vecDistance.y) > MIN_PED_ROUTE_DISTANCE || Abs(vecDistance.z) > MIN_PED_ROUTE_DISTANCE)
+ return false;
+ CVector vecPos = (position + destination) * 0.5f;
+ CVector vecSectorStartPos (vecPos.x - 14.0f, vecPos.y - 14.0f, vecPos.z);
+ CVector2D vecSectorEndPos (vecPos.x + 28.0f, vecPos.x + 28.0f);
+ const int16 nodeStartX = (position.x - vecSectorStartPos.x) / 0.7f;
+ const int16 nodeStartY = (position.y - vecSectorStartPos.y) / 0.7f;
+ const int16 nodeEndX = (destination.x - vecSectorStartPos.x) / 0.7f;
+ const int16 nodeEndY = (destination.y - vecSectorStartPos.y) / 0.7f;
+ if (nodeStartX == nodeEndX && nodeStartY == nodeEndY)
+ return false;
+ CPedPathNode pathNodes[40][40];
+ CPedPathNode pathNodesList[416];
+ for (int32 x = 0; x < 40; x++) {
+ for (int32 y = 0; y < 40; y++) {
+ pathNodes[x][y].bBlockade = false;
+ pathNodes[x][y].id = INT16_MAX;
+ pathNodes[x][y].nodeIdX = x;
+ pathNodes[x][y].nodeIdY = y;
+ }
+ }
+ CWorld::AdvanceCurrentScanCode();
+ if (pathType != ROUTE_NO_BLOCKADE) {
+ const int32 nStartX = max(CWorld::GetSectorIndexX(vecSectorStartPos.x), 0);
+ const int32 nStartY = max(CWorld::GetSectorIndexY(vecSectorStartPos.y), 0);
+ const int32 nEndX = min(CWorld::GetSectorIndexX(vecSectorEndPos.x), NUMSECTORS_X - 1);
+ const int32 nEndY = min(CWorld::GetSectorIndexY(vecSectorEndPos.y), NUMSECTORS_Y - 1);
+ for (int32 y = nStartY; y <= nEndY; y++) {
+ for (int32 x = nStartX; x <= nEndX; x++) {
+ CSector *pSector = CWorld::GetSector(x, y);
+ AddBlockadeSectorList(pSector->m_lists[ENTITYLIST_VEHICLES], pathNodes, &vecSectorStartPos);
+ AddBlockadeSectorList(pSector->m_lists[ENTITYLIST_VEHICLES_OVERLAP], pathNodes, &vecSectorStartPos);
+ AddBlockadeSectorList(pSector->m_lists[ENTITYLIST_OBJECTS], pathNodes, &vecSectorStartPos);
+ AddBlockadeSectorList(pSector->m_lists[ENTITYLIST_OBJECTS_OVERLAP], pathNodes, &vecSectorStartPos);
+ }
+ }
+ }
+ for (int32 i = 0; i < 416; i++) {
+ pathNodesList[i].prev = nil;
+ pathNodesList[i].next = nil;
+ }
+ CPedPathNode *pStartPathNode = &pathNodes[nodeStartX][nodeStartY];
+ CPedPathNode *pEndPathNode = &pathNodes[nodeEndX][nodeEndY];
+ pEndPathNode->bBlockade = false;
+ pEndPathNode->id = 0;
+ pEndPathNode->prev = nil;
+ pEndPathNode->next = pathNodesList;
+ pathNodesList[0].prev = pEndPathNode;
+ int32 pathNodeIndex = 0;
+ CPedPathNode *pPreviousNode = nil;
+ for (; pathNodeIndex < 414; pathNodeIndex++)
+ {
+ pPreviousNode = pathNodesList[pathNodeIndex].prev;
+ while (pPreviousNode && pPreviousNode != pStartPathNode) {
+ const uint8 nodeIdX = pPreviousNode->nodeIdX;
+ const uint8 nodeIdY = pPreviousNode->nodeIdY;
+ if (nodeIdX > 0) {
+ AddNodeToPathList(&pathNodes[nodeIdX - 1][nodeIdY], pathNodeIndex + 5, pathNodesList);
+ if (nodeIdY > 0)
+ AddNodeToPathList(&pathNodes[nodeIdX - 1][nodeIdY - 1], pathNodeIndex + 7, pathNodesList);
+ if (nodeIdY < 39)
+ AddNodeToPathList(&pathNodes[nodeIdX - 1][nodeIdY + 1], pathNodeIndex + 7, pathNodesList);
+ }
+ if (nodeIdX < 39) {
+ AddNodeToPathList(&pathNodes[nodeIdX + 1][nodeIdY], pathNodeIndex + 5, pathNodesList);
+ if (nodeIdY > 0)
+ AddNodeToPathList(&pathNodes[nodeIdX + 1][nodeIdY - 1], pathNodeIndex + 7, pathNodesList);
+ if (nodeIdY < 39)
+ AddNodeToPathList(&pathNodes[nodeIdX + 1][nodeIdY + 1], pathNodeIndex + 7, pathNodesList);
+ }
+ if (nodeIdY > 0)
+ AddNodeToPathList(&pathNodes[nodeIdX][nodeIdY - 1], pathNodeIndex + 5, pathNodesList);
+ if (nodeIdY < 39)
+ AddNodeToPathList(&pathNodes[nodeIdX][nodeIdY + 1], pathNodeIndex + 5, pathNodesList);
+ pPreviousNode = pPreviousNode->prev;
+ if (!pPreviousNode)
+ break;
+ }
+
+ if (pPreviousNode && pPreviousNode == pStartPathNode)
+ break;
+ }
+ if (pathNodeIndex == 414)
+ return false;
+ CPedPathNode *pPathNode = pStartPathNode;
+ for (*pointsFound = 0; pPathNode != pEndPathNode && *pointsFound < maxPoints; ++ *pointsFound) {
+ const uint8 nodeIdX = pPathNode->nodeIdX;
+ const uint8 nodeIdY = pPathNode->nodeIdY;
+ if (nodeIdX > 0 && pathNodes[nodeIdX - 1][nodeIdY].id + 5 == pPathNode->id)
+ pPathNode = &pathNodes[nodeIdX - 1][nodeIdY];
+ else if (nodeIdX > 39 && pathNodes[nodeIdX + 1][nodeIdY].id + 5 == pPathNode->id)
+ pPathNode = &pathNodes[nodeIdX + 1][nodeIdY];
+ else if (nodeIdY > 0 && pathNodes[nodeIdX][nodeIdY - 1].id + 5 == pPathNode->id)
+ pPathNode = &pathNodes[nodeIdX][nodeIdY - 1];
+ else if (nodeIdY > 39 && pathNodes[nodeIdX][nodeIdY + 1].id + 5 == pPathNode->id)
+ pPathNode = &pathNodes[nodeIdX][nodeIdY + 1];
+ else if (nodeIdX > 0 && nodeIdY > 0 && pathNodes[nodeIdX - 1][nodeIdY - 1].id + 7 == pPathNode->id)
+ pPathNode = &pathNodes[nodeIdX - 1][nodeIdY - 1];
+ else if (nodeIdX > 0 && nodeIdY < 39 && pathNodes[nodeIdX - 1][nodeIdY + 1].id + 7 == pPathNode->id)
+ pPathNode = &pathNodes[nodeIdX - 1][nodeIdY + 1];
+ else if (nodeIdX < 39 && nodeIdY > 0 && pathNodes[nodeIdX + 1][nodeIdY - 1].id + 7 == pPathNode->id)
+ pPathNode = &pathNodes[nodeIdX + 1][nodeIdY - 1];
+ else if (nodeIdX < 39 && nodeIdY < 39 && pathNodes[nodeIdX + 1][nodeIdY + 1].id + 7 == pPathNode->id)
+ pPathNode = &pathNodes[nodeIdX + 1][nodeIdY + 1];
+ pointPoses[*pointsFound] = vecSectorStartPos;
+ pointPoses[*pointsFound].x += pPathNode->nodeIdX * 0.7f;
+ pointPoses[*pointsFound].y += pPathNode->nodeIdY * 0.7f;
+ }
+ return true;
+}
+
+
+void
+CPedPath::AddNodeToPathList(CPedPathNode *pNodeToAdd, int16 id, CPedPathNode *pNodeList)
+{
+ if (!pNodeToAdd->bBlockade && id < pNodeToAdd->id) {
+ if (pNodeToAdd->id != INT16_MAX)
+ RemoveNodeFromList(pNodeToAdd);
+ AddNodeToList(pNodeToAdd, id, pNodeList);
+ }
+}
+
+void
+CPedPath::RemoveNodeFromList(CPedPathNode *pNode)
+{
+ pNode->next->prev = pNode->prev;
+ if (pNode->prev)
+ pNode->prev->next = pNode->next;
+}
+
+void
+CPedPath::AddNodeToList(CPedPathNode *pNode, int16 index, CPedPathNode *pList)
+{
+ pNode->prev = pList[index].prev;
+ pNode->next = &pList[index];
+ if (pList[index].prev)
+ pList[index].prev->next = pNode;
+ pList[index].prev = pNode;
+ pNode->id = index;
+}
+
+void
+CPedPath::AddBlockadeSectorList(CPtrList& list, CPedPathNode(*pathNodes)[40], CVector *pPosition)
+{
+ CPtrNode* listNode = list.first;
+ while (listNode) {
+ CEntity* pEntity = (CEntity*)listNode->item;
+ if (pEntity->m_scanCode != CWorld::GetCurrentScanCode() && pEntity->bUsesCollision) {
+ pEntity->m_scanCode = CWorld::GetCurrentScanCode();
+ AddBlockade(pEntity, pathNodes, pPosition);
+ }
+ listNode = listNode->next;
+ }
+}
+
+void
+CPedPath::AddBlockade(CEntity *pEntity, CPedPathNode(*pathNodes)[40], CVector *pPosition)
+{
+ const CColBox& boundingBox = pEntity->GetColModel()->boundingBox;
+ const float fBoundMaxY = boundingBox.max.y + 0.3f;
+ const float fBoundMinY = boundingBox.min.y - 0.3f;
+ const float fBoundMaxX = boundingBox.max.x + 0.3f;
+ const float fDistanceX = pPosition->x - pEntity->m_matrix.GetPosition().x;
+ const float fDistanceY = pPosition->y - pEntity->m_matrix.GetPosition().y;
+ const float fBoundRadius = pEntity->GetBoundRadius();
+ CVector vecBoundCentre;
+ pEntity->GetBoundCentre(vecBoundCentre);
+ if (vecBoundCentre.x + fBoundRadius >= pPosition->x &&
+ vecBoundCentre.y + fBoundRadius >= pPosition->y &&
+ vecBoundCentre.x - fBoundRadius <= pPosition->x + 28.0f &&
+ vecBoundCentre.y - fBoundRadius <= pPosition->y + 28.0f) {
+ for (int16 x = 0; x < 40; x++) {
+ const float pointX = x * 0.7f + fDistanceX;
+ for (int16 y = 0; y < 40; y++) {
+ if (!pathNodes[x][y].bBlockade) {
+ const float pointY = y * 0.7f + fDistanceY;
+ CVector2D point(pointX, pointY);
+ if (fBoundMaxX > Abs(DotProduct2D(point, pEntity->m_matrix.GetRight()))) {
+ float fDotProduct = DotProduct2D(point, pEntity->m_matrix.GetForward());
+ if (fBoundMaxY > fDotProduct && fBoundMinY < fDotProduct)
+ pathNodes[x][y].bBlockade = true;
+ }
+ }
+ }
+ }
+ }
+}
+
void
CPathFind::Init(void)
{
@@ -466,20 +663,20 @@ CPathFind::PreparePathDataForType(uint8 type, CTempNode *tempnodes, CPathInfoFor
// IMPROVE: use a goto here
// Find existing car path link
for(k = 0; k < m_numCarPathLinks; k++){
- if(m_carPathLinks[k].dirX == tempnodes[j].dirX &&
- m_carPathLinks[k].dirY == tempnodes[j].dirY &&
- m_carPathLinks[k].posX == tempnodes[j].pos.x &&
- m_carPathLinks[k].posY == tempnodes[j].pos.y){
+ if(m_carPathLinks[k].dir.x == tempnodes[j].dirX &&
+ m_carPathLinks[k].dir.y == tempnodes[j].dirY &&
+ m_carPathLinks[k].pos.x == tempnodes[j].pos.x &&
+ m_carPathLinks[k].pos.y == tempnodes[j].pos.y){
m_carPathConnections[m_numConnections] = k;
k = m_numCarPathLinks;
}
}
// k is m_numCarPathLinks+1 if we found one
if(k == m_numCarPathLinks){
- m_carPathLinks[m_numCarPathLinks].dirX = tempnodes[j].dirX;
- m_carPathLinks[m_numCarPathLinks].dirY = tempnodes[j].dirY;
- m_carPathLinks[m_numCarPathLinks].posX = tempnodes[j].pos.x;
- m_carPathLinks[m_numCarPathLinks].posY = tempnodes[j].pos.y;
+ m_carPathLinks[m_numCarPathLinks].dir.x = tempnodes[j].dirX;
+ m_carPathLinks[m_numCarPathLinks].dir.y = tempnodes[j].dirY;
+ m_carPathLinks[m_numCarPathLinks].pos.x = tempnodes[j].pos.x;
+ m_carPathLinks[m_numCarPathLinks].pos.y = tempnodes[j].pos.y;
m_carPathLinks[m_numCarPathLinks].pathNodeIndex = i;
m_carPathLinks[m_numCarPathLinks].numLeftLanes = tempnodes[j].numLeftLanes;
m_carPathLinks[m_numCarPathLinks].numRightLanes = tempnodes[j].numRightLanes;
@@ -529,20 +726,20 @@ CPathFind::PreparePathDataForType(uint8 type, CTempNode *tempnodes, CPathInfoFor
// IMPROVE: use a goto here
// Find existing car path link
for(k = 0; k < m_numCarPathLinks; k++){
- if(m_carPathLinks[k].dirX == dx &&
- m_carPathLinks[k].dirY == dy &&
- m_carPathLinks[k].posX == posx &&
- m_carPathLinks[k].posY == posy){
+ if(m_carPathLinks[k].dir.x == dx &&
+ m_carPathLinks[k].dir.y == dy &&
+ m_carPathLinks[k].pos.x == posx &&
+ m_carPathLinks[k].pos.y == posy){
m_carPathConnections[m_numConnections] = k;
k = m_numCarPathLinks;
}
}
// k is m_numCarPathLinks+1 if we found one
if(k == m_numCarPathLinks){
- m_carPathLinks[m_numCarPathLinks].dirX = dx;
- m_carPathLinks[m_numCarPathLinks].dirY = dy;
- m_carPathLinks[m_numCarPathLinks].posX = posx;
- m_carPathLinks[m_numCarPathLinks].posY = posy;
+ m_carPathLinks[m_numCarPathLinks].dir.x = dx;
+ m_carPathLinks[m_numCarPathLinks].dir.y = dy;
+ m_carPathLinks[m_numCarPathLinks].pos.x = posx;
+ m_carPathLinks[m_numCarPathLinks].pos.y = posy;
m_carPathLinks[m_numCarPathLinks].pathNodeIndex = i;
m_carPathLinks[m_numCarPathLinks].numLeftLanes = -1;
m_carPathLinks[m_numCarPathLinks].numRightLanes = -1;
@@ -760,8 +957,8 @@ CPathFind::SetLinksBridgeLights(float x1, float x2, float y1, float y2, bool ena
{
int i;
for(i = 0; i < m_numCarPathLinks; i++)
- if(x1 < m_carPathLinks[i].posX && m_carPathLinks[i].posX < x2 &&
- y1 < m_carPathLinks[i].posY && m_carPathLinks[i].posY < y2)
+ if(x1 < m_carPathLinks[i].pos.x && m_carPathLinks[i].pos.x < x2 &&
+ y1 < m_carPathLinks[i].pos.y && m_carPathLinks[i].pos.y < y2)
m_carPathLinks[i].bBridgeLights = enable;
}
@@ -1444,7 +1641,140 @@ CPathFind::Load(uint8 *buf, uint32 size)
m_pathNodes[i].bBetweenLevels = false;
}
+void
+CPathFind::DisplayPathData(void)
+{
+ // Not the function from mobm_carPathLinksile but my own!
+
+ int i, j, k;
+ // Draw 50 units around camera
+ CVector pos = TheCamera.GetPosition();
+ const float maxDist = 50.0f;
+
+ // Render car path nodes
+ if(gbShowCarPaths)
+ for(i = 0; i < m_numCarPathNodes; i++){
+ if((m_pathNodes[i].pos - pos).MagnitudeSqr() > SQR(maxDist))
+ continue;
+
+ CVector n1 = m_pathNodes[i].pos;
+ n1.z += 0.3f;
+
+ // Draw node itself
+ CLines::RenderLineWithClipping(n1.x, n1.y, n1.z,
+ n1.x, n1.y, n1.z + 1.0f,
+ 0xFFFFFFFF, 0xFFFFFFFF);
+
+ for(j = 0; j < m_pathNodes[i].numLinks; j++){
+ k = m_connections[m_pathNodes[i].firstLink + j];
+ CVector n2 = m_pathNodes[k].pos;
+ n2.z += 0.3f;
+ // Draw links to neighbours
+ CLines::RenderLineWithClipping(n1.x, n1.y, n1.z,
+ n2.x, n2.y, n2.z,
+ 0xFFFFFFFF, 0xFFFFFFFF);
+ }
+ }
+
+ // Render car path nodes
+ if(gbShowCarPathsLinks)
+ for(i = 0; i < m_numCarPathLinks; i++){
+ CVector2D n1_2d = m_carPathLinks[i].pos;
+ if((n1_2d - pos).MagnitudeSqr() > SQR(maxDist))
+ continue;
+
+ int ni = m_carPathLinks[i].pathNodeIndex;
+ CVector pn1 = m_pathNodes[ni].pos;
+ pn1.z += 0.3f;
+ CVector n1(n1_2d.x, n1_2d.y, pn1.z);
+ n1.z += 0.3f;
+
+ // Draw car node itself
+ CLines::RenderLineWithClipping(n1.x, n1.y, n1.z,
+ n1.x, n1.y, n1.z + 1.0f,
+ 0xFFFFFFFF, 0xFFFFFFFF);
+ CLines::RenderLineWithClipping(n1.x, n1.y, n1.z + 0.5f,
+ n1.x+m_carPathLinks[i].dir.x, n1.y+m_carPathLinks[i].dir.y, n1.z + 0.5f,
+ 0xFFFFFFFF, 0xFFFFFFFF);
+
+ // Draw connection to car path node
+ CLines::RenderLineWithClipping(n1.x, n1.y, n1.z,
+ pn1.x, pn1.y, pn1.z,
+ 0xFF0000FF, 0xFFFFFFFF);
+
+ // traffic light type
+ uint32 col = 0xFF;
+ if((m_carPathLinks[i].trafficLightType&0x7F) == 1)
+ col += 0xFF000000;
+ if((m_carPathLinks[i].trafficLightType&0x7F) == 2)
+ col += 0x00FF0000;
+ if(m_carPathLinks[i].trafficLightType & 0x80)
+ col += 0x0000FF00;
+ CLines::RenderLineWithClipping(n1.x+0.2f, n1.y, n1.z,
+ n1.x+0.2f, n1.y, n1.z + 1.0f,
+ col, col);
+
+ for(j = 0; j < m_pathNodes[ni].numLinks; j++){
+ k = m_carPathConnections[m_pathNodes[ni].firstLink + j];
+ CVector2D n2_2d = m_carPathLinks[k].pos;
+ int nk = m_carPathLinks[k].pathNodeIndex;
+ CVector pn2 = m_pathNodes[nk].pos;
+ pn2.z += 0.3f;
+ CVector n2(n2_2d.x, n2_2d.y, pn2.z);
+ n2.z += 0.3f;
+
+ // Draw links to neighbours
+ CLines::RenderLineWithClipping(n1.x, n1.y, n1.z,
+ n2.x, n2.y, n2.z,
+ 0xFF00FFFF, 0xFF00FFFF);
+ }
+ }
+
+ // Render ped path nodes
+ if(gbShowPedPaths)
+ for(i = m_numCarPathNodes; i < m_numPathNodes; i++){
+ if((m_pathNodes[i].pos - pos).MagnitudeSqr() > SQR(maxDist))
+ continue;
+
+ CVector n1 = m_pathNodes[i].pos;
+ n1.z += 0.3f;
+
+ // Draw node itself
+ CLines::RenderLineWithClipping(n1.x, n1.y, n1.z,
+ n1.x, n1.y, n1.z + 1.0f,
+ 0xFFFFFFFF, 0xFFFFFFFF);
+
+ for(j = 0; j < m_pathNodes[i].numLinks; j++){
+ k = m_connections[m_pathNodes[i].firstLink + j];
+ CVector n2 = m_pathNodes[k].pos;
+ n2.z += 0.3f;
+ // Draw links to neighbours
+ CLines::RenderLineWithClipping(n1.x, n1.y, n1.z,
+ n2.x, n2.y, n2.z,
+ 0xFFFFFFFF, 0xFFFFFFFF);
+
+ // Draw connection flags
+ CVector mid = (n1+n2)/2.0f;
+ uint32 col = 0xFF;
+ if(m_connectionFlags[m_pathNodes[i].firstLink + j].bCrossesRoad)
+ col += 0x00FF0000;
+ if(m_connectionFlags[m_pathNodes[i].firstLink + j].bTrafficLight)
+ col += 0xFF000000;
+ CLines::RenderLineWithClipping(mid.x, mid.y, mid.z,
+ mid.x, mid.y, mid.z + 1.0f,
+ col, col);
+ }
+ }
+}
+
STARTPATCHES
+ InjectHook(0x42E680, &CPedPath::CalcPedRoute, PATCH_JUMP);
+ InjectHook(0x42F100, &CPedPath::AddNodeToPathList, PATCH_JUMP);
+ InjectHook(0x42F140, &CPedPath::RemoveNodeFromList, PATCH_JUMP);
+ InjectHook(0x42F160, &CPedPath::AddNodeToList, PATCH_JUMP);
+ InjectHook(0x42F1A0, &CPedPath::AddBlockade, PATCH_JUMP);
+ InjectHook(0x42F420, &CPedPath::AddBlockadeSectorList, PATCH_JUMP);
+
InjectHook(0x4294A0, &CPathFind::Init, PATCH_JUMP);
InjectHook(0x42D580, &CPathFind::AllocatePathFindInfoMem, PATCH_JUMP);
InjectHook(0x429540, &CPathFind::RegisterMapObject, PATCH_JUMP);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 16:42:33 +0100