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authorBertrand Augereau2011-07-26 00:04:14 +0200
committerBertrand Augereau2011-07-28 17:26:46 +0200
commit8233a37b4a17ff6a5b0e722b4dcdedb7d748da5e (patch)
treee6c1b19e6bc8cb7b5851b70c38660f34878dd817 /engines
parentc0795b4b43e31d791e1e29dda02e18d4336a36e3 (diff)
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DREAMWEB: Extraction of sprite.cpp from stubs.cpp
Diffstat (limited to 'engines')
-rw-r--r--engines/dreamweb/module.mk1
-rw-r--r--engines/dreamweb/sprite.cpp558
-rw-r--r--engines/dreamweb/stubs.cpp529
3 files changed, 559 insertions, 529 deletions
diff --git a/engines/dreamweb/module.mk b/engines/dreamweb/module.mk
index 3b0c7f3325..fcda4fd6f4 100644
--- a/engines/dreamweb/module.mk
+++ b/engines/dreamweb/module.mk
@@ -5,6 +5,7 @@ MODULE_OBJS := \
detection.o \
dreamweb.o \
dreamgen.o \
+ sprite.o \
stubs.o
# This module can be built as a plugin
diff --git a/engines/dreamweb/sprite.cpp b/engines/dreamweb/sprite.cpp
new file mode 100644
index 0000000000..5b0449f5b2
--- /dev/null
+++ b/engines/dreamweb/sprite.cpp
@@ -0,0 +1,558 @@
+/* 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"
+
+namespace DreamGen {
+
+Sprite *DreamGenContext::spritetable() {
+ push(es);
+ push(bx);
+
+ es = data.word(kBuffers);
+ bx = kSpritetable;
+ Sprite *sprite = (Sprite *)es.ptr(bx, 16 * sizeof(Sprite));
+
+ bx = pop();
+ es = pop();
+
+ return sprite;
+}
+
+void DreamGenContext::printsprites() {
+ for (size_t priority = 0; priority < 7; ++priority) {
+ Sprite *sprites = spritetable();
+ for (size_t j = 0; j < 16; ++j) {
+ const Sprite &sprite = sprites[j];
+ if (READ_LE_UINT16(&sprite.updateCallback) == 0x0ffff)
+ continue;
+ if (priority != sprite.priority)
+ continue;
+ if (sprite.hidden == 1)
+ continue;
+ printasprite(&sprite);
+ }
+ }
+}
+
+void DreamGenContext::printasprite(const Sprite *sprite) {
+ push(es);
+ push(bx);
+ ds = READ_LE_UINT16(&sprite->w6);
+ ax = sprite->y;
+ if (al >= 220) {
+ bx = data.word(kMapady) - (256 - al);
+ } else {
+ bx = ax + data.word(kMapady);
+ }
+
+ ax = sprite->x;
+ if (al >= 220) {
+ di = data.word(kMapadx) - (256 - al);
+ } else {
+ di = ax + data.word(kMapadx);
+ }
+
+ uint8 c;
+ if (sprite->b29 != 0)
+ c = 8;
+ else
+ c = 0;
+ uint8 width, height;
+ showframe(es, ds, di, bx, sprite->b15, c, &width, &height);
+ cl = width;
+ ch = height;
+
+ bx = pop();
+ es = pop();
+}
+
+void DreamGenContext::clearsprites() {
+ memset(spritetable(), 0xff, sizeof(Sprite) * 16);
+}
+
+Sprite *DreamGenContext::makesprite(uint8 x, uint8 y, uint16 updateCallback, uint16 somethingInDx, uint16 somethingInDi) {
+ Sprite *sprite = spritetable();
+ while (sprite->b15 != 0xff) { // NB: No boundchecking in the original code either
+ ++sprite;
+ }
+
+ WRITE_LE_UINT16(&sprite->updateCallback, updateCallback);
+ sprite->x = x;
+ sprite->y = y;
+ WRITE_LE_UINT16(&sprite->w6, somethingInDx);
+ WRITE_LE_UINT16(&sprite->w8, somethingInDi);
+ sprite->w2 = 0xffff;
+ sprite->b15 = 0;
+ sprite->delay = 0;
+ return sprite;
+}
+
+void DreamGenContext::makesprite() { // NB: returns new sprite in es:bx
+ Sprite *sprite = makesprite(si & 0xff, si >> 8, cx, dx, di);
+
+ // Recover es:bx from sprite
+ es = data.word(kBuffers);
+ bx = kSpritetable;
+ Sprite *sprites = (Sprite *)es.ptr(bx, sizeof(Sprite) * 16);
+ bx += sizeof(Sprite) * (sprite - sprites);
+ //
+}
+
+void DreamGenContext::spriteupdate() {
+ Sprite *sprites = spritetable();
+ sprites[0].hidden = data.byte(kRyanon);
+
+ Sprite *sprite = sprites;
+ for (size_t i=0; i < 16; ++i) {
+ uint16 updateCallback = READ_LE_UINT16(&sprite->updateCallback);
+ if (updateCallback != 0xffff) {
+ sprite->w24 = sprite->w2;
+ if (updateCallback == addr_mainman) // NB : Let's consider the callback as an enum while more code is not ported to C++
+ mainmanCPP(sprite);
+ else {
+ assert(updateCallback == addr_backobject);
+ backobject(sprite);
+ }
+ }
+
+ if (data.byte(kNowinnewroom) == 1)
+ break;
+ ++sprite;
+ }
+}
+
+void DreamGenContext::initman() {
+ Sprite *sprite = makesprite(data.byte(kRyanx), data.byte(kRyany), addr_mainman, data.word(kMainsprites), 0);
+ sprite->priority = 4;
+ sprite->b22 = 0;
+ sprite->b29 = 0;
+
+ // Recover es:bx from sprite
+ es = data.word(kBuffers);
+ bx = kSpritetable;
+ Sprite *sprites = (Sprite *)es.ptr(bx, sizeof(Sprite) * 16);
+ bx += 32 * (sprite - sprites);
+ //
+}
+
+void DreamGenContext::mainmanCPP(Sprite *sprite) {
+ push(es);
+ push(ds);
+
+ // Recover es:bx from sprite
+ es = data.word(kBuffers);
+ bx = kSpritetable;
+ Sprite *sprites = (Sprite *)es.ptr(bx, sizeof(Sprite) * 16);
+ bx += 32 * (sprite - sprites);
+ //
+
+ if (data.byte(kResetmanxy) == 1) {
+ data.byte(kResetmanxy) = 0;
+ sprite->x = data.byte(kRyanx);
+ sprite->y = data.byte(kRyany);
+ sprite->b29 = 0;
+ }
+ --sprite->b22;
+ if (sprite->b22 != 0xff) {
+ ds = pop();
+ es = pop();
+ return;
+ }
+ sprite->b22 = 0;
+ if (data.byte(kTurntoface) != data.byte(kFacing)) {
+ aboutturn(sprite);
+ } else {
+ if ((data.byte(kTurndirection) != 0) && (data.byte(kLinepointer) == 254)) {
+ data.byte(kReasseschanges) = 1;
+ if (data.byte(kFacing) == data.byte(kLeavedirection))
+ checkforexit();
+ }
+ data.byte(kTurndirection) = 0;
+ if (data.byte(kLinepointer) == 254) {
+ sprite->b29 = 0;
+ } else {
+ ++sprite->b29;
+ if (sprite->b29 == 11)
+ sprite->b29 = 1;
+ walking(sprite);
+ if (data.byte(kLinepointer) != 254) {
+ if ((data.byte(kFacing) & 1) == 0)
+ walking(sprite);
+ else if ((sprite->b29 != 2) && (sprite->b29 != 7))
+ walking(sprite);
+ }
+ if (data.byte(kLinepointer) == 254) {
+ if (data.byte(kTurntoface) == data.byte(kFacing)) {
+ data.byte(kReasseschanges) = 1;
+ if (data.byte(kFacing) == data.byte(kLeavedirection))
+ checkforexit();
+ }
+ }
+ }
+ }
+ static const uint8 facelist[] = { 0,60,33,71,11,82,22,93 };
+ sprite->b15 = sprite->b29 + facelist[data.byte(kFacing)];
+ data.byte(kRyanx) = sprite->x;
+ data.byte(kRyany) = sprite->y;
+
+ ds = pop();
+ es = pop();
+}
+
+void DreamGenContext::walking() {
+ Sprite *sprite = (Sprite *)es.ptr(bx, sizeof(Sprite));
+ walking(sprite);
+}
+
+void DreamGenContext::walking(Sprite *sprite) {
+ uint8 comp;
+ if (data.byte(kLinedirection) != 0) {
+ --data.byte(kLinepointer);
+ comp = 200;
+ } else {
+ ++data.byte(kLinepointer);
+ comp = data.byte(kLinelength);
+ }
+ if (data.byte(kLinepointer) < comp) {
+ sprite->x = data.byte(kLinedata + data.byte(kLinepointer) * 2 + 0);
+ sprite->y = data.byte(kLinedata + data.byte(kLinepointer) * 2 + 1);
+ return;
+ }
+
+ data.byte(kLinepointer) = 254;
+ data.byte(kManspath) = data.byte(kDestination);
+ if (data.byte(kDestination) == data.byte(kFinaldest)) {
+ facerightway();
+ return;
+ }
+ data.byte(kDestination) = data.byte(kFinaldest);
+ push(es);
+ push(bx);
+ autosetwalk();
+ bx = pop();
+ es = pop();
+}
+
+void DreamGenContext::aboutturn(Sprite *sprite) {
+ bool incdir = true;
+
+ if (data.byte(kTurndirection) == 1)
+ incdir = true;
+ else if ((int8)data.byte(kTurndirection) == -1)
+ incdir = false;
+ else {
+ if (data.byte(kFacing) < data.byte(kTurntoface)) {
+ uint8 delta = data.byte(kTurntoface) - data.byte(kFacing);
+ if (delta >= 4)
+ incdir = false;
+ else
+ incdir = true;
+ } else {
+ uint8 delta = data.byte(kFacing) - data.byte(kTurntoface);
+ if (delta >= 4)
+ incdir = true;
+ else
+ incdir = false;
+ }
+ }
+
+ if (incdir) {
+ data.byte(kTurndirection) = 1;
+ data.byte(kFacing) = (data.byte(kFacing) + 1) & 7;
+ sprite->b29 = 0;
+ } else {
+ data.byte(kTurndirection) = -1;
+ data.byte(kFacing) = (data.byte(kFacing) - 1) & 7;
+ sprite->b29 = 0;
+ }
+}
+
+void DreamGenContext::backobject(Sprite *sprite) {
+ push(ds);
+
+ ds = data.word(kSetdat);
+ di = READ_LE_UINT16(&sprite->obj_data);
+ ObjData *objData = (ObjData *)ds.ptr(di, 0);
+
+ if (sprite->delay != 0) {
+ --sprite->delay;
+ ds = pop();
+ return;
+ }
+
+ sprite->delay = objData->delay;
+ if (objData->type == 6)
+ widedoor(sprite, objData);
+ else if (objData->type == 5)
+ random(sprite, objData);
+ else if (objData->type == 4)
+ lockeddoorway(sprite, objData);
+ else if (objData->type == 3)
+ liftsprite(sprite, objData);
+ else if (objData->type == 2)
+ doorway(sprite, objData);
+ else if (objData->type == 1)
+ constant(sprite, objData);
+ else
+ steady(sprite, objData);
+
+ ds = pop();
+}
+
+void DreamGenContext::constant(Sprite *sprite, ObjData *objData) {
+ ++sprite->frame;
+ if (objData->b18[sprite->frame] == 255) {
+ sprite->frame = 0;
+ }
+ uint8 b18 = objData->b18[sprite->frame];
+ objData->b17 = b18;
+ sprite->b15 = b18;
+}
+
+void DreamGenContext::random(Sprite *sprite, ObjData *objData) {
+ randomnum1();
+ uint16 r = ax;
+ sprite->b15 = objData->b18[r&7];
+}
+
+void DreamGenContext::doorway(Sprite *sprite, ObjData *objData) {
+ data.byte(kDoorcheck1) = -24;
+ data.byte(kDoorcheck2) = 10;
+ data.byte(kDoorcheck3) = -30;
+ data.byte(kDoorcheck4) = 10;
+ dodoor(sprite, objData);
+}
+
+void DreamGenContext::widedoor(Sprite *sprite, ObjData *objData) {
+ data.byte(kDoorcheck1) = -24;
+ data.byte(kDoorcheck2) = 24;
+ data.byte(kDoorcheck3) = -30;
+ data.byte(kDoorcheck4) = 24;
+ dodoor(sprite, objData);
+}
+
+void DreamGenContext::dodoor() {
+ Sprite *sprite = (Sprite *)es.ptr(bx, sizeof(Sprite));
+ ObjData *objData = (ObjData *)ds.ptr(di, 0);
+ dodoor(sprite, objData);
+}
+
+void DreamGenContext::dodoor(Sprite *sprite, ObjData *objData) {
+ uint8 ryanx = data.byte(kRyanx);
+ uint8 ryany = data.byte(kRyany);
+ int8 deltax = ryanx - sprite->x;
+ int8 deltay = ryany - sprite->y;
+ if (ryanx < sprite->x) {
+ if (deltax < (int8)data.byte(kDoorcheck1))
+ goto shutdoor;
+ } else {
+ if (deltax >= data.byte(kDoorcheck2))
+ goto shutdoor;
+ }
+ if (ryany < sprite->y) {
+ if (deltay < (int8)data.byte(kDoorcheck3))
+ goto shutdoor;
+ } else {
+ if (deltay >= data.byte(kDoorcheck4))
+ goto shutdoor;
+ }
+//opendoor:
+ if ((data.byte(kThroughdoor) == 1) && (sprite->frame == 0))
+ sprite->frame = 6;
+
+ ++sprite->frame;
+ if (sprite->frame == 1) { //doorsound2
+ if (data.byte(kReallocation) == 5) //hoteldoor2
+ al = 13;
+ else
+ al = 0;
+ playchannel1();
+ }
+ if (objData->b18[sprite->frame] == 255) {
+ --sprite->frame;
+ }
+ sprite->b15 = objData->b17 = objData->b18[sprite->frame];
+ data.byte(kThroughdoor) = 1;
+ return;
+shutdoor:
+ if (sprite->frame == 5) { //doorsound1;
+ if (data.byte(kReallocation) == 5) //hoteldoor1
+ al = 13;
+ else
+ al = 1;
+ playchannel1();
+ }
+ if (sprite->frame != 0) {
+ --sprite->frame;
+ }
+ sprite->b15 = objData->b17 = objData->b18[sprite->frame];
+ if (sprite->frame == 5) //nearly
+ data.byte(kThroughdoor) = 0;
+}
+
+void DreamGenContext::steady(Sprite *sprite, ObjData *objData) {
+ uint8 b18 = objData->b18[0];
+ objData->b17 = b18;
+ sprite->b15 = b18;
+}
+
+void DreamGenContext::lockeddoorway() {
+ Sprite *sprite = (Sprite *)es.ptr(bx, sizeof(Sprite));
+ ObjData *objData = (ObjData *)ds.ptr(di, 0);
+ lockeddoorway(sprite, objData);
+}
+
+void DreamGenContext::lockeddoorway(Sprite *sprite, ObjData *objData) {
+ if (data.byte(kRyanx) < sprite->x) {
+ if (sprite->x - data.byte(kRyanx) > 24)
+ goto shutdoor2;
+ } else {
+ if (data.byte(kRyanx) - sprite->x >= 10)
+ goto shutdoor2;
+ }
+
+ if (data.byte(kRyany) < sprite->y) {
+ if (sprite->y - data.byte(kRyany) > 30)
+ goto shutdoor2;
+ } else {
+ if (data.byte(kRyany) - sprite->y >= 12)
+ goto shutdoor2;
+ }
+
+ if (data.byte(kThroughdoor) != 1) {
+ if (data.byte(kLockstatus) == 1)
+ goto shutdoor2;
+ }
+
+ if (sprite->frame == 1) {
+ al = 0;
+ playchannel1();
+ }
+
+ if (sprite->frame == 6) {
+ al = data.byte(kDoorpath);
+ push(es);
+ push(bx);
+ turnpathon();
+ bx = pop();
+ es = pop();
+ }
+
+ if ((data.byte(kThroughdoor) == 1) && (sprite->frame == 0)) {
+ sprite->frame = 6;
+ }
+
+ ++sprite->frame;
+ if (objData->b18[sprite->frame] == 255) {
+ --sprite->frame;
+ }
+
+ sprite->b15 = objData->b17 = objData->b18[sprite->frame];
+ if (sprite->frame == 5)
+ data.byte(kThroughdoor) = 1;
+ return;
+
+shutdoor2:
+ if (sprite->frame == 5) {
+ al = 1;
+ playchannel1();
+ }
+
+ if (sprite->frame != 0) {
+ --sprite->frame;
+ }
+
+ data.byte(kThroughdoor) = 0;
+ sprite->b15 = objData->b17 = objData->b18[sprite->frame];
+
+ if (sprite->frame == 0) {
+ al = data.byte(kDoorpath);
+ push(es);
+ push(bx);
+ turnpathoff();
+ bx = pop();
+ es = pop();
+ data.byte(kLockstatus) = 1;
+ }
+}
+
+void DreamGenContext::liftsprite() {
+ Sprite *sprite = (Sprite *)es.ptr(bx, sizeof(Sprite));
+ ObjData *objData = (ObjData *)ds.ptr(di, 0);
+ liftsprite(sprite, objData);
+}
+
+void DreamGenContext::liftsprite(Sprite *sprite, ObjData *objData) {
+ uint8 liftFlag = data.byte(kLiftflag);
+ if (liftFlag == 0) { //liftclosed
+ turnpathoffCPP(data.byte(kLiftpath));
+
+ if (data.byte(kCounttoopen) != 0) {
+ _dec(data.byte(kCounttoopen));
+ if (data.byte(kCounttoopen) == 0)
+ data.byte(kLiftflag) = 3;
+ }
+ sprite->frame = 0;
+ sprite->b15 = objData->b17 = objData->b18[sprite->frame];
+ }
+ else if (liftFlag == 1) { //liftopen
+ turnpathonCPP(data.byte(kLiftpath));
+
+ if (data.byte(kCounttoclose) != 0) {
+ _dec(data.byte(kCounttoclose));
+ if (data.byte(kCounttoclose) == 0)
+ data.byte(kLiftflag) = 2;
+ }
+ sprite->frame = 12;
+ sprite->b15 = objData->b17 = objData->b18[sprite->frame];
+ }
+ else if (liftFlag == 3) { //openlift
+ if (sprite->frame == 12) {
+ data.byte(kLiftflag) = 1;
+ return;
+ }
+ ++sprite->frame;
+ if (sprite->frame == 1) {
+ al = 2;
+ liftnoise();
+ }
+ sprite->b15 = objData->b17 = objData->b18[sprite->frame];
+ } else { //closeLift
+ assert(liftFlag == 2);
+ if (sprite->frame == 0) {
+ data.byte(kLiftflag) = 0;
+ return;
+ }
+ --sprite->frame;
+ if (sprite->frame == 11) {
+ al = 3;
+ liftnoise();
+ }
+ sprite->b15 = objData->b17 = objData->b18[sprite->frame];
+ }
+}
+
+} /*namespace dreamgen */
+
diff --git a/engines/dreamweb/stubs.cpp b/engines/dreamweb/stubs.cpp
index 27c58bcf7b..b5373649ef 100644
--- a/engines/dreamweb/stubs.cpp
+++ b/engines/dreamweb/stubs.cpp
@@ -898,20 +898,6 @@ void DreamGenContext::frameoutv(uint8 *dst, const uint8 *src, uint16 pitch, uint
}
}
-Sprite *DreamGenContext::spritetable() {
- push(es);
- push(bx);
-
- es = data.word(kBuffers);
- bx = kSpritetable;
- Sprite *sprite = (Sprite *)es.ptr(bx, 16 * sizeof(Sprite));
-
- bx = pop();
- es = pop();
-
- return sprite;
-}
-
void DreamGenContext::showframe(uint16 dst, uint16 src, uint16 x, uint16 y, uint8 frameNumber, uint8 effectsFlag, uint8 *width, uint8 *height) {
es = dst;
ds = src;
@@ -986,54 +972,6 @@ void DreamGenContext::showframe() {
ch = height;
}
-void DreamGenContext::printsprites() {
- for (size_t priority = 0; priority < 7; ++priority) {
- Sprite *sprites = spritetable();
- for (size_t j = 0; j < 16; ++j) {
- const Sprite &sprite = sprites[j];
- if (READ_LE_UINT16(&sprite.updateCallback) == 0x0ffff)
- continue;
- if (priority != sprite.priority)
- continue;
- if (sprite.hidden == 1)
- continue;
- printasprite(&sprite);
- }
- }
-}
-
-void DreamGenContext::printasprite(const Sprite *sprite) {
- push(es);
- push(bx);
- ds = READ_LE_UINT16(&sprite->w6);
- ax = sprite->y;
- if (al >= 220) {
- bx = data.word(kMapady) - (256 - al);
- } else {
- bx = ax + data.word(kMapady);
- }
-
- ax = sprite->x;
- if (al >= 220) {
- di = data.word(kMapadx) - (256 - al);
- } else {
- di = ax + data.word(kMapadx);
- }
-
- uint8 c;
- if (sprite->b29 != 0)
- c = 8;
- else
- c = 0;
- uint8 width, height;
- showframe(es, ds, di, bx, sprite->b15, c, &width, &height);
- cl = width;
- ch = height;
-
- bx = pop();
- es = pop();
-}
-
void DreamGenContext::eraseoldobs() {
if (data.byte(kNewobs) == 0)
return;
@@ -1047,337 +985,6 @@ void DreamGenContext::eraseoldobs() {
}
}
-void DreamGenContext::clearsprites() {
- memset(spritetable(), 0xff, sizeof(Sprite) * 16);
-}
-
-Sprite *DreamGenContext::makesprite(uint8 x, uint8 y, uint16 updateCallback, uint16 somethingInDx, uint16 somethingInDi) {
- Sprite *sprite = spritetable();
- while (sprite->b15 != 0xff) { // NB: No boundchecking in the original code either
- ++sprite;
- }
-
- WRITE_LE_UINT16(&sprite->updateCallback, updateCallback);
- sprite->x = x;
- sprite->y = y;
- WRITE_LE_UINT16(&sprite->w6, somethingInDx);
- WRITE_LE_UINT16(&sprite->w8, somethingInDi);
- sprite->w2 = 0xffff;
- sprite->b15 = 0;
- sprite->delay = 0;
- return sprite;
-}
-
-void DreamGenContext::makesprite() { // NB: returns new sprite in es:bx
- Sprite *sprite = makesprite(si & 0xff, si >> 8, cx, dx, di);
-
- // Recover es:bx from sprite
- es = data.word(kBuffers);
- bx = kSpritetable;
- Sprite *sprites = (Sprite *)es.ptr(bx, sizeof(Sprite) * 16);
- bx += sizeof(Sprite) * (sprite - sprites);
- //
-}
-
-void DreamGenContext::spriteupdate() {
- Sprite *sprites = spritetable();
- sprites[0].hidden = data.byte(kRyanon);
-
- Sprite *sprite = sprites;
- for (size_t i=0; i < 16; ++i) {
- uint16 updateCallback = READ_LE_UINT16(&sprite->updateCallback);
- if (updateCallback != 0xffff) {
- sprite->w24 = sprite->w2;
- if (updateCallback == addr_mainman) // NB : Let's consider the callback as an enum while more code is not ported to C++
- mainmanCPP(sprite);
- else {
- assert(updateCallback == addr_backobject);
- backobject(sprite);
- }
- }
-
- if (data.byte(kNowinnewroom) == 1)
- break;
- ++sprite;
- }
-}
-
-void DreamGenContext::initman() {
- Sprite *sprite = makesprite(data.byte(kRyanx), data.byte(kRyany), addr_mainman, data.word(kMainsprites), 0);
- sprite->priority = 4;
- sprite->b22 = 0;
- sprite->b29 = 0;
-
- // Recover es:bx from sprite
- es = data.word(kBuffers);
- bx = kSpritetable;
- Sprite *sprites = (Sprite *)es.ptr(bx, sizeof(Sprite) * 16);
- bx += 32 * (sprite - sprites);
- //
-}
-
-void DreamGenContext::mainmanCPP(Sprite *sprite) {
- push(es);
- push(ds);
-
- // Recover es:bx from sprite
- es = data.word(kBuffers);
- bx = kSpritetable;
- Sprite *sprites = (Sprite *)es.ptr(bx, sizeof(Sprite) * 16);
- bx += 32 * (sprite - sprites);
- //
-
- if (data.byte(kResetmanxy) == 1) {
- data.byte(kResetmanxy) = 0;
- sprite->x = data.byte(kRyanx);
- sprite->y = data.byte(kRyany);
- sprite->b29 = 0;
- }
- --sprite->b22;
- if (sprite->b22 != 0xff) {
- ds = pop();
- es = pop();
- return;
- }
- sprite->b22 = 0;
- if (data.byte(kTurntoface) != data.byte(kFacing)) {
- aboutturn(sprite);
- } else {
- if ((data.byte(kTurndirection) != 0) && (data.byte(kLinepointer) == 254)) {
- data.byte(kReasseschanges) = 1;
- if (data.byte(kFacing) == data.byte(kLeavedirection))
- checkforexit();
- }
- data.byte(kTurndirection) = 0;
- if (data.byte(kLinepointer) == 254) {
- sprite->b29 = 0;
- } else {
- ++sprite->b29;
- if (sprite->b29 == 11)
- sprite->b29 = 1;
- walking(sprite);
- if (data.byte(kLinepointer) != 254) {
- if ((data.byte(kFacing) & 1) == 0)
- walking(sprite);
- else if ((sprite->b29 != 2) && (sprite->b29 != 7))
- walking(sprite);
- }
- if (data.byte(kLinepointer) == 254) {
- if (data.byte(kTurntoface) == data.byte(kFacing)) {
- data.byte(kReasseschanges) = 1;
- if (data.byte(kFacing) == data.byte(kLeavedirection))
- checkforexit();
- }
- }
- }
- }
- static const uint8 facelist[] = { 0,60,33,71,11,82,22,93 };
- sprite->b15 = sprite->b29 + facelist[data.byte(kFacing)];
- data.byte(kRyanx) = sprite->x;
- data.byte(kRyany) = sprite->y;
-
- ds = pop();
- es = pop();
-}
-
-
-void DreamGenContext::walking() {
- Sprite *sprite = (Sprite *)es.ptr(bx, sizeof(Sprite));
- walking(sprite);
-}
-
-void DreamGenContext::walking(Sprite *sprite) {
- uint8 comp;
- if (data.byte(kLinedirection) != 0) {
- --data.byte(kLinepointer);
- comp = 200;
- } else {
- ++data.byte(kLinepointer);
- comp = data.byte(kLinelength);
- }
- if (data.byte(kLinepointer) < comp) {
- sprite->x = data.byte(kLinedata + data.byte(kLinepointer) * 2 + 0);
- sprite->y = data.byte(kLinedata + data.byte(kLinepointer) * 2 + 1);
- return;
- }
-
- data.byte(kLinepointer) = 254;
- data.byte(kManspath) = data.byte(kDestination);
- if (data.byte(kDestination) == data.byte(kFinaldest)) {
- facerightway();
- return;
- }
- data.byte(kDestination) = data.byte(kFinaldest);
- push(es);
- push(bx);
- autosetwalk();
- bx = pop();
- es = pop();
-}
-
-void DreamGenContext::aboutturn(Sprite *sprite) {
- bool incdir = true;
-
- if (data.byte(kTurndirection) == 1)
- incdir = true;
- else if ((int8)data.byte(kTurndirection) == -1)
- incdir = false;
- else {
- if (data.byte(kFacing) < data.byte(kTurntoface)) {
- uint8 delta = data.byte(kTurntoface) - data.byte(kFacing);
- if (delta >= 4)
- incdir = false;
- else
- incdir = true;
- } else {
- uint8 delta = data.byte(kFacing) - data.byte(kTurntoface);
- if (delta >= 4)
- incdir = true;
- else
- incdir = false;
- }
- }
-
- if (incdir) {
- data.byte(kTurndirection) = 1;
- data.byte(kFacing) = (data.byte(kFacing) + 1) & 7;
- sprite->b29 = 0;
- } else {
- data.byte(kTurndirection) = -1;
- data.byte(kFacing) = (data.byte(kFacing) - 1) & 7;
- sprite->b29 = 0;
- }
-}
-
-void DreamGenContext::backobject(Sprite *sprite) {
- push(ds);
-
- ds = data.word(kSetdat);
- di = READ_LE_UINT16(&sprite->obj_data);
- ObjData *objData = (ObjData *)ds.ptr(di, 0);
-
- if (sprite->delay != 0) {
- --sprite->delay;
- ds = pop();
- return;
- }
-
- sprite->delay = objData->delay;
- if (objData->type == 6)
- widedoor(sprite, objData);
- else if (objData->type == 5)
- random(sprite, objData);
- else if (objData->type == 4)
- lockeddoorway(sprite, objData);
- else if (objData->type == 3)
- liftsprite(sprite, objData);
- else if (objData->type == 2)
- doorway(sprite, objData);
- else if (objData->type == 1)
- constant(sprite, objData);
- else
- steady(sprite, objData);
-
- ds = pop();
-}
-
-void DreamGenContext::constant(Sprite *sprite, ObjData *objData) {
- ++sprite->frame;
- if (objData->b18[sprite->frame] == 255) {
- sprite->frame = 0;
- }
- uint8 b18 = objData->b18[sprite->frame];
- objData->b17 = b18;
- sprite->b15 = b18;
-}
-
-void DreamGenContext::random(Sprite *sprite, ObjData *objData) {
- randomnum1();
- uint16 r = ax;
- sprite->b15 = objData->b18[r&7];
-}
-
-void DreamGenContext::doorway(Sprite *sprite, ObjData *objData) {
- data.byte(kDoorcheck1) = -24;
- data.byte(kDoorcheck2) = 10;
- data.byte(kDoorcheck3) = -30;
- data.byte(kDoorcheck4) = 10;
- dodoor(sprite, objData);
-}
-
-void DreamGenContext::widedoor(Sprite *sprite, ObjData *objData) {
- data.byte(kDoorcheck1) = -24;
- data.byte(kDoorcheck2) = 24;
- data.byte(kDoorcheck3) = -30;
- data.byte(kDoorcheck4) = 24;
- dodoor(sprite, objData);
-}
-
-void DreamGenContext::dodoor() {
- Sprite *sprite = (Sprite *)es.ptr(bx, sizeof(Sprite));
- ObjData *objData = (ObjData *)ds.ptr(di, 0);
- dodoor(sprite, objData);
-}
-
-void DreamGenContext::dodoor(Sprite *sprite, ObjData *objData) {
- uint8 ryanx = data.byte(kRyanx);
- uint8 ryany = data.byte(kRyany);
- int8 deltax = ryanx - sprite->x;
- int8 deltay = ryany - sprite->y;
- if (ryanx < sprite->x) {
- if (deltax < (int8)data.byte(kDoorcheck1))
- goto shutdoor;
- } else {
- if (deltax >= data.byte(kDoorcheck2))
- goto shutdoor;
- }
- if (ryany < sprite->y) {
- if (deltay < (int8)data.byte(kDoorcheck3))
- goto shutdoor;
- } else {
- if (deltay >= data.byte(kDoorcheck4))
- goto shutdoor;
- }
-//opendoor:
- if ((data.byte(kThroughdoor) == 1) && (sprite->frame == 0))
- sprite->frame = 6;
-
- ++sprite->frame;
- if (sprite->frame == 1) { //doorsound2
- if (data.byte(kReallocation) == 5) //hoteldoor2
- al = 13;
- else
- al = 0;
- playchannel1();
- }
- if (objData->b18[sprite->frame] == 255) {
- --sprite->frame;
- }
- sprite->b15 = objData->b17 = objData->b18[sprite->frame];
- data.byte(kThroughdoor) = 1;
- return;
-shutdoor:
- if (sprite->frame == 5) { //doorsound1;
- if (data.byte(kReallocation) == 5) //hoteldoor1
- al = 13;
- else
- al = 1;
- playchannel1();
- }
- if (sprite->frame != 0) {
- --sprite->frame;
- }
- sprite->b15 = objData->b17 = objData->b18[sprite->frame];
- if (sprite->frame == 5) //nearly
- data.byte(kThroughdoor) = 0;
-}
-
-void DreamGenContext::steady(Sprite *sprite, ObjData *objData) {
- uint8 b18 = objData->b18[0];
- objData->b17 = b18;
- sprite->b15 = b18;
-}
-
void DreamGenContext::turnpathonCPP(uint8 param) {
al = param;
push(es);
@@ -1396,142 +1003,6 @@ void DreamGenContext::turnpathoffCPP(uint8 param) {
es = pop();
}
-void DreamGenContext::lockeddoorway() {
- Sprite *sprite = (Sprite *)es.ptr(bx, sizeof(Sprite));
- ObjData *objData = (ObjData *)ds.ptr(di, 0);
- lockeddoorway(sprite, objData);
-}
-
-void DreamGenContext::lockeddoorway(Sprite *sprite, ObjData *objData) {
- if (data.byte(kRyanx) < sprite->x) {
- if (sprite->x - data.byte(kRyanx) > 24)
- goto shutdoor2;
- } else {
- if (data.byte(kRyanx) - sprite->x >= 10)
- goto shutdoor2;
- }
-
- if (data.byte(kRyany) < sprite->y) {
- if (sprite->y - data.byte(kRyany) > 30)
- goto shutdoor2;
- } else {
- if (data.byte(kRyany) - sprite->y >= 12)
- goto shutdoor2;
- }
-
- if (data.byte(kThroughdoor) != 1) {
- if (data.byte(kLockstatus) == 1)
- goto shutdoor2;
- }
-
- if (sprite->frame == 1) {
- al = 0;
- playchannel1();
- }
-
- if (sprite->frame == 6) {
- al = data.byte(kDoorpath);
- push(es);
- push(bx);
- turnpathon();
- bx = pop();
- es = pop();
- }
-
- if ((data.byte(kThroughdoor) == 1) && (sprite->frame == 0)) {
- sprite->frame = 6;
- }
-
- ++sprite->frame;
- if (objData->b18[sprite->frame] == 255) {
- --sprite->frame;
- }
-
- sprite->b15 = objData->b17 = objData->b18[sprite->frame];
- if (sprite->frame == 5)
- data.byte(kThroughdoor) = 1;
- return;
-
-shutdoor2:
- if (sprite->frame == 5) {
- al = 1;
- playchannel1();
- }
-
- if (sprite->frame != 0) {
- --sprite->frame;
- }
-
- data.byte(kThroughdoor) = 0;
- sprite->b15 = objData->b17 = objData->b18[sprite->frame];
-
- if (sprite->frame == 0) {
- al = data.byte(kDoorpath);
- push(es);
- push(bx);
- turnpathoff();
- bx = pop();
- es = pop();
- data.byte(kLockstatus) = 1;
- }
-}
-
-void DreamGenContext::liftsprite() {
- Sprite *sprite = (Sprite *)es.ptr(bx, sizeof(Sprite));
- ObjData *objData = (ObjData *)ds.ptr(di, 0);
- liftsprite(sprite, objData);
-}
-
-void DreamGenContext::liftsprite(Sprite *sprite, ObjData *objData) {
- uint8 liftFlag = data.byte(kLiftflag);
- if (liftFlag == 0) { //liftclosed
- turnpathoffCPP(data.byte(kLiftpath));
-
- if (data.byte(kCounttoopen) != 0) {
- _dec(data.byte(kCounttoopen));
- if (data.byte(kCounttoopen) == 0)
- data.byte(kLiftflag) = 3;
- }
- sprite->frame = 0;
- sprite->b15 = objData->b17 = objData->b18[sprite->frame];
- }
- else if (liftFlag == 1) { //liftopen
- turnpathonCPP(data.byte(kLiftpath));
-
- if (data.byte(kCounttoclose) != 0) {
- _dec(data.byte(kCounttoclose));
- if (data.byte(kCounttoclose) == 0)
- data.byte(kLiftflag) = 2;
- }
- sprite->frame = 12;
- sprite->b15 = objData->b17 = objData->b18[sprite->frame];
- }
- else if (liftFlag == 3) { //openlift
- if (sprite->frame == 12) {
- data.byte(kLiftflag) = 1;
- return;
- }
- ++sprite->frame;
- if (sprite->frame == 1) {
- al = 2;
- liftnoise();
- }
- sprite->b15 = objData->b17 = objData->b18[sprite->frame];
- } else { //closeLift
- assert(liftFlag == 2);
- if (sprite->frame == 0) {
- data.byte(kLiftflag) = 0;
- return;
- }
- --sprite->frame;
- if (sprite->frame == 11) {
- al = 3;
- liftnoise();
- }
- sprite->b15 = objData->b17 = objData->b18[sprite->frame];
- }
-}
-
void DreamGenContext::modifychar() {
al = engine->modifyChar(al);
}