[Scummvm-cvs-logs] scummvm master -> d4be53c5c0f27a80f35704b5e6f08fcbad04de29

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Summary:
d4be53c5c0 DREAMWEB: Pathfind routines go to pathfind.cpp


Commit: d4be53c5c0f27a80f35704b5e6f08fcbad04de29
    https://github.com/scummvm/scummvm/commit/d4be53c5c0f27a80f35704b5e6f08fcbad04de29
Author: Bertrand Augereau (bertrand_augereau at yahoo.fr)
Date: 2011-08-18T13:52:27-07:00

Commit Message:
DREAMWEB: Pathfind routines go to pathfind.cpp

Changed paths:
  A engines/dreamweb/pathfind.cpp
    engines/dreamweb/module.mk
    engines/dreamweb/stubs.cpp



diff --git a/engines/dreamweb/module.mk b/engines/dreamweb/module.mk
index b33703a..bdacbe7 100644
--- a/engines/dreamweb/module.mk
+++ b/engines/dreamweb/module.mk
@@ -6,6 +6,7 @@ MODULE_OBJS := \
 	detection.o \
 	dreamweb.o \
 	dreamgen.o \
+	pathfind.o \
 	print.o \
 	saveload.o \
 	sprite.o \
diff --git a/engines/dreamweb/pathfind.cpp b/engines/dreamweb/pathfind.cpp
new file mode 100644
index 0000000..2579105
--- /dev/null
+++ b/engines/dreamweb/pathfind.cpp
@@ -0,0 +1,106 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "dreamweb/dreamweb.h"
+#include "engines/util.h"
+#include "graphics/surface.h"
+#include "common/config-manager.h"
+
+namespace DreamGen {
+
+void DreamGenContext::turnpathonCPP(uint8 param) {
+	al = param;
+	push(es);
+	push(bx);
+	turnpathon();
+	bx = pop();
+	es = pop();
+}
+
+void DreamGenContext::turnpathoffCPP(uint8 param) {
+	al = param;
+	push(es);
+	push(bx);
+	turnpathoff();
+	bx = pop();
+	es = pop();
+}
+
+void DreamGenContext::getroomspaths() {
+	es = data.word(kReels);
+	bx = data.byte(kRoomnum) * 144;
+}
+
+uint8 *DreamGenContext::getroomspathsCPP() {
+	void *result = segRef(data.word(kReels)).ptr(data.byte(kRoomnum) * 144, 144);
+	return (uint8 *)result;
+}
+
+void DreamGenContext::autosetwalk() {
+	al = data.byte(kManspath);
+	if (data.byte(kFinaldest) == al)
+		return;
+	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;
+	data.word(kLineendy) = roomsPaths[data.byte(kDestination) * 8 + 1] - 12;
+	bresenhams();
+	if (data.byte(kLinedirection) != 0) {
+		data.byte(kLinepointer) = data.byte(kLinelength) - 1;
+		data.byte(kLinedirection) = 1;
+		return;
+	}
+	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;
+}
+
+void DreamGenContext::findxyfrompath() {
+	const uint8 *roomsPaths = getroomspathsCPP();
+	data.byte(kRyanx) = roomsPaths[data.byte(kManspath) * 8 + 0] - 12;
+	data.byte(kRyany) = roomsPaths[data.byte(kManspath) * 8 + 1] - 12;
+}
+
+} /*namespace dreamgen */
+
diff --git a/engines/dreamweb/stubs.cpp b/engines/dreamweb/stubs.cpp
index 762a48a..7d809f2 100644
--- a/engines/dreamweb/stubs.cpp
+++ b/engines/dreamweb/stubs.cpp
@@ -624,24 +624,6 @@ void DreamGenContext::eraseoldobs() {
 	}
 }
 
-void DreamGenContext::turnpathonCPP(uint8 param) {
-	al = param;
-	push(es);
-	push(bx);
-	turnpathon();
-	bx = pop();
-	es = pop();
-}
-
-void DreamGenContext::turnpathoffCPP(uint8 param) {
-	al = param;
-	push(es);
-	push(bx);
-	turnpathoff();
-	bx = pop();
-	es = pop();
-}
-
 void DreamGenContext::modifychar() {
 	al = engine->modifyChar(al);
 }
@@ -685,16 +667,6 @@ void DreamGenContext::cancelch1() {
 	engine->stopSound(1);
 }
 
-void DreamGenContext::getroomspaths() {
-	es = data.word(kReels);
-	bx = data.byte(kRoomnum) * 144;
-}
-
-uint8 *DreamGenContext::getroomspathsCPP() {
-	void *result = segRef(data.word(kReels)).ptr(data.byte(kRoomnum) * 144, 144);
-	return (uint8 *)result;
-}
-
 void DreamGenContext::makebackob(ObjData *objData) {
 	if (data.byte(kNewobs) == 0)
 		return;
@@ -950,47 +922,6 @@ void DreamGenContext::commandonly(uint8 command) {
 	data.byte(kNewtextline) = 1;
 }
 
-void DreamGenContext::autosetwalk() {
-	al = data.byte(kManspath);
-	if (data.byte(kFinaldest) == al)
-		return;
-	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;
-	data.word(kLineendy) = roomsPaths[data.byte(kDestination) * 8 + 1] - 12;
-	bresenhams();
-	if (data.byte(kLinedirection) != 0) {
-		data.byte(kLinepointer) = data.byte(kLinelength) - 1;
-		data.byte(kLinedirection) = 1;
-		return;
-	}
-	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;
-}
-
 void DreamGenContext::checkifperson() {
 	flags._z = not checkifperson(al, ah);
 }
@@ -1110,12 +1041,6 @@ void DreamGenContext::walktotext() {
 	commandwithob(3, data.byte(kCommandtype), data.byte(kCommand));
 }
 
-void DreamGenContext::findxyfrompath() {
-	const uint8 *roomsPaths = getroomspathsCPP();
-	data.byte(kRyanx) = roomsPaths[data.byte(kManspath) * 8 + 0] - 12;
-	data.byte(kRyany) = roomsPaths[data.byte(kManspath) * 8 + 1] - 12;
-}
-
 bool DreamGenContext::isCD() {
 	// The original sources has two codepaths depending if the game is 'if cd' or not
 	// This is a hack to guess which version to use with the assumption that if we have a cd version