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authorAndrei Karas <akaras@inbox.ru>2015-10-03 20:49:36 +0300
committerAndrei Karas <akaras@inbox.ru>2015-10-03 20:49:36 +0300
commitab2a207cc7cceb4ad4ccf0ba56e82c7a50eb5a87 (patch)
tree76704a445f96bb01a4ef2343f1f0bc5314684df3 /src/emap/map.c
parent534b7d425fcd6f0ab86e77b8404e09685a64d204 (diff)
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Add support for wall and water collision walking masks.
Diffstat (limited to 'src/emap/map.c')
-rw-r--r--src/emap/map.c90
1 files changed, 88 insertions, 2 deletions
diff --git a/src/emap/map.c b/src/emap/map.c
index 97aa464..b9f95bd 100644
--- a/src/emap/map.c
+++ b/src/emap/map.c
@@ -22,8 +22,10 @@
#include "emap/permission.h"
#include "emap/send.h"
#include "emap/data/itemd.h"
+#include "emap/data/npcd.h"
#include "emap/data/session.h"
#include "emap/struct/itemdext.h"
+#include "emap/struct/npcdext.h"
#include "emap/struct/sessionext.h"
int emap_addflooritem_post(int retVal,
@@ -135,21 +137,105 @@ void emap_online_list(int fd)
aFree(buf);
}
+
+// walk mask
+// 0000 0x0 - normal
+// 0001 0x1 - wall walk
+// 0010 0x2 - water walk
+
+
+static int getWalkMask(const struct block_list *bl)
+{
+ int walkMask = 0;
+ if (bl->type == BL_NPC)
+ {
+ TBL_NPC *nd = (TBL_NPC*)bl;
+ struct NpcdExt *ext = npcd_get(nd);
+ if (ext)
+ walkMask = ext->walkMask;
+ }
+ return walkMask;
+}
+
+static bool isWalkCell(const struct block_list *bl, struct mapcell cell)
+{
+ if (cell.walkable)
+ return true;
+ const int walkMask = getWalkMask(bl);
+ // water check
+ if (cell.water && walkMask & 0x2)
+ return true;
+ // wall check
+ if (!cell.walkable && !cell.shootable && walkMask & 0x1)
+ return true;
+ // other checks
+ return false;
+}
+
+static bool isWallCell(const struct block_list *bl, struct mapcell cell)
+{
+ if (cell.walkable || cell.shootable)
+ return false;
+ const int walkMask = getWalkMask(bl);
+ // water check
+ if (cell.water && walkMask & 0x2)
+ return false;
+ // wall check
+ if (!cell.walkable && !cell.shootable && walkMask & 0x1)
+ return false;
+ return true;
+}
+
int emap_getcellp(struct map_data* m,
const struct block_list *bl,
int16 *xPtr, int16 *yPtr,
cell_chk *cellchkPtr)
{
- if (bl)
+ if (bl && m)
{
+ const int x = *xPtr;
+ const int y = *yPtr;
const cell_chk cellchk = *cellchkPtr;
+ if (x < 0 || x >= m->xs - 1 || y < 0 || y >= m->ys - 1)
+ return (cellchk == CELL_CHKNOPASS);
+
+ struct mapcell cell = m->cell[x + y * m->xs];
+
if (cellchk == CELL_CHKWALL ||
cellchk == CELL_CHKPASS ||
+ cellchk == CELL_CHKREACH ||
cellchk == CELL_CHKNOPASS ||
cellchk == CELL_CHKNOREACH)
{
- if (bl->type == BL_NPC)
+ bool res;
+ switch (cellchk)
{
+ case CELL_CHKWALL:
+ res = isWallCell(bl, cell);
+ hookStop();
+ return res;
+ case CELL_CHKPASS:
+ case CELL_CHKREACH:
+ res = isWalkCell(bl, cell);
+ hookStop();
+ return res;
+ case CELL_CHKNOPASS:
+ case CELL_CHKNOREACH:
+ res = !isWalkCell(bl, cell);
+ hookStop();
+ return res;
+ case CELL_GETTYPE:
+ case CELL_CHKWATER:
+ case CELL_CHKCLIFF:
+ case CELL_CHKSTACK:
+ case CELL_CHKNPC:
+ case CELL_CHKBASILICA:
+ case CELL_CHKLANDPROTECTOR:
+ case CELL_CHKNOVENDING:
+ case CELL_CHKNOCHAT:
+ case CELL_CHKICEWALL:
+ case CELL_CHKNOICEWALL:
+ break;
}
}
}