DREAMWEB: Pathfind routines go to pathfind.cpp
This commit is contained in:
Bertrand Augereau
parent
3f6a277819
commit
d4be53c5c0
3 changed files with 107 additions and 75 deletions
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@ -6,6 +6,7 @@ MODULE_OBJS := \
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detection.o \
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dreamweb.o \
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dreamgen.o \
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pathfind.o \
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print.o \
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saveload.o \
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sprite.o \
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106
engines/dreamweb/pathfind.cpp
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106
engines/dreamweb/pathfind.cpp
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@ -0,0 +1,106 @@
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/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "dreamweb/dreamweb.h"
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#include "engines/util.h"
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#include "graphics/surface.h"
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#include "common/config-manager.h"
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namespace DreamGen {
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void DreamGenContext::turnpathonCPP(uint8 param) {
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al = param;
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push(es);
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push(bx);
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turnpathon();
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bx = pop();
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es = pop();
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}
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void DreamGenContext::turnpathoffCPP(uint8 param) {
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al = param;
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push(es);
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push(bx);
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turnpathoff();
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bx = pop();
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es = pop();
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}
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void DreamGenContext::getroomspaths() {
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es = data.word(kReels);
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bx = data.byte(kRoomnum) * 144;
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}
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uint8 *DreamGenContext::getroomspathsCPP() {
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void *result = segRef(data.word(kReels)).ptr(data.byte(kRoomnum) * 144, 144);
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return (uint8 *)result;
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}
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void DreamGenContext::autosetwalk() {
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al = data.byte(kManspath);
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if (data.byte(kFinaldest) == al)
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return;
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const uint8 *roomsPaths = getroomspathsCPP();
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checkdest(roomsPaths);
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data.word(kLinestartx) = roomsPaths[data.byte(kManspath) * 8 + 0] - 12;
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data.word(kLinestarty) = roomsPaths[data.byte(kManspath) * 8 + 1] - 12;
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data.word(kLineendx) = roomsPaths[data.byte(kDestination) * 8 + 0] - 12;
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data.word(kLineendy) = roomsPaths[data.byte(kDestination) * 8 + 1] - 12;
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bresenhams();
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if (data.byte(kLinedirection) != 0) {
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data.byte(kLinepointer) = data.byte(kLinelength) - 1;
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data.byte(kLinedirection) = 1;
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return;
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}
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data.byte(kLinepointer) = 0;
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}
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void DreamGenContext::checkdest(const uint8 *roomsPaths) {
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const uint8 *p = roomsPaths + 12 * 8;
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ah = data.byte(kManspath) << 4;
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al = data.byte(kDestination);
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uint8 destination = data.byte(kDestination);
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for (size_t i = 0; i < 24; ++i) {
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dh = p[0] & 0xf0;
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dl = p[0] & 0x0f;
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if (ax == dx) {
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data.byte(kDestination) = p[1] & 0x0f;
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return;
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}
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dl = (p[0] & 0xf0) >> 4;
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dh = (p[0] & 0x0f) << 4;
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if (ax == dx) {
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destination = p[1] & 0x0f;
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}
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p += 2;
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}
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data.byte(kDestination) = destination;
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}
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void DreamGenContext::findxyfrompath() {
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const uint8 *roomsPaths = getroomspathsCPP();
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data.byte(kRyanx) = roomsPaths[data.byte(kManspath) * 8 + 0] - 12;
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data.byte(kRyany) = roomsPaths[data.byte(kManspath) * 8 + 1] - 12;
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}
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} /*namespace dreamgen */
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@ -624,24 +624,6 @@ void DreamGenContext::eraseoldobs() {
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}
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}
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void DreamGenContext::turnpathonCPP(uint8 param) {
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al = param;
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push(es);
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push(bx);
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turnpathon();
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bx = pop();
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es = pop();
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}
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void DreamGenContext::turnpathoffCPP(uint8 param) {
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al = param;
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push(es);
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push(bx);
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turnpathoff();
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bx = pop();
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es = pop();
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}
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void DreamGenContext::modifychar() {
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al = engine->modifyChar(al);
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}
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@ -685,16 +667,6 @@ void DreamGenContext::cancelch1() {
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engine->stopSound(1);
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}
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void DreamGenContext::getroomspaths() {
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es = data.word(kReels);
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bx = data.byte(kRoomnum) * 144;
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}
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uint8 *DreamGenContext::getroomspathsCPP() {
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void *result = segRef(data.word(kReels)).ptr(data.byte(kRoomnum) * 144, 144);
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return (uint8 *)result;
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}
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void DreamGenContext::makebackob(ObjData *objData) {
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if (data.byte(kNewobs) == 0)
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return;
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@ -950,47 +922,6 @@ void DreamGenContext::commandonly(uint8 command) {
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data.byte(kNewtextline) = 1;
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}
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void DreamGenContext::autosetwalk() {
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al = data.byte(kManspath);
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if (data.byte(kFinaldest) == al)
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return;
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const uint8 *roomsPaths = getroomspathsCPP();
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checkdest(roomsPaths);
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data.word(kLinestartx) = roomsPaths[data.byte(kManspath) * 8 + 0] - 12;
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data.word(kLinestarty) = roomsPaths[data.byte(kManspath) * 8 + 1] - 12;
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data.word(kLineendx) = roomsPaths[data.byte(kDestination) * 8 + 0] - 12;
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data.word(kLineendy) = roomsPaths[data.byte(kDestination) * 8 + 1] - 12;
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bresenhams();
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if (data.byte(kLinedirection) != 0) {
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data.byte(kLinepointer) = data.byte(kLinelength) - 1;
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data.byte(kLinedirection) = 1;
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return;
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}
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data.byte(kLinepointer) = 0;
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}
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void DreamGenContext::checkdest(const uint8 *roomsPaths) {
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const uint8 *p = roomsPaths + 12 * 8;
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ah = data.byte(kManspath) << 4;
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al = data.byte(kDestination);
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uint8 destination = data.byte(kDestination);
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for (size_t i = 0; i < 24; ++i) {
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dh = p[0] & 0xf0;
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dl = p[0] & 0x0f;
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if (ax == dx) {
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data.byte(kDestination) = p[1] & 0x0f;
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return;
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}
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dl = (p[0] & 0xf0) >> 4;
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dh = (p[0] & 0x0f) << 4;
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if (ax == dx) {
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destination = p[1] & 0x0f;
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}
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p += 2;
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}
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data.byte(kDestination) = destination;
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}
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void DreamGenContext::checkifperson() {
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flags._z = not checkifperson(al, ah);
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}
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@ -1110,12 +1041,6 @@ void DreamGenContext::walktotext() {
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commandwithob(3, data.byte(kCommandtype), data.byte(kCommand));
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}
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void DreamGenContext::findxyfrompath() {
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const uint8 *roomsPaths = getroomspathsCPP();
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data.byte(kRyanx) = roomsPaths[data.byte(kManspath) * 8 + 0] - 12;
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data.byte(kRyany) = roomsPaths[data.byte(kManspath) * 8 + 1] - 12;
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}
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bool DreamGenContext::isCD() {
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// The original sources has two codepaths depending if the game is 'if cd' or not
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// This is a hack to guess which version to use with the assumption that if we have a cd version
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