diff options
Diffstat (limited to 'engines/dreamweb/stubs.cpp')
| -rw-r--r-- | engines/dreamweb/stubs.cpp | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/engines/dreamweb/stubs.cpp b/engines/dreamweb/stubs.cpp index 6d2fee1ecd..cd6a9d6b4f 100644 --- a/engines/dreamweb/stubs.cpp +++ b/engines/dreamweb/stubs.cpp @@ -886,9 +886,8 @@ void DreamGenContext::autosetwalk() { al = data.byte(kManspath); if (data.byte(kFinaldest) == al) return; - getroomspaths(); - uint8 *roomsPaths = getroomspathsCPP(); - checkdest(); + const uint8 *roomsPaths = getroomspathsCPP(); + checkdest(roomsPaths); data.word(kLinestartx) = roomsPaths[data.byte(kManspath) * 8 + 0] - 12; data.word(kLinestarty) = roomsPaths[data.byte(kManspath) * 8 + 1] - 12; data.word(kLineendx) = roomsPaths[data.byte(kDestination) * 8 + 0] - 12; @@ -902,5 +901,27 @@ void DreamGenContext::autosetwalk() { data.byte(kLinepointer) = 0; } +void DreamGenContext::checkdest(const uint8 *roomsPaths) { + const uint8 *p = roomsPaths + 12 * 8; + ah = data.byte(kManspath) << 4; + al = data.byte(kDestination); + uint8 destination = data.byte(kDestination); + for (size_t i = 0; i < 24; ++i) { + dh = p[0] & 0xf0; + dl = p[0] & 0x0f; + if (ax == dx) { + data.byte(kDestination) = p[1] & 0x0f; + return; + } + dl = (p[0] & 0xf0) >> 4; + dh = (p[0] & 0x0f) << 4; + if (ax == dx) { + destination = p[1] & 0x0f; + } + p += 2; + } + data.byte(kDestination) = destination; +} + } /*namespace dreamgen */ |