diff options
Diffstat (limited to 'engines')
| -rw-r--r-- | engines/dreamweb/module.mk | 1 | ||||
| -rw-r--r-- | engines/dreamweb/sprite.cpp | 558 | ||||
| -rw-r--r-- | engines/dreamweb/stubs.cpp | 529 |
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); } |