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-rw-r--r--engines/dreamweb/stubs.cpp350
1 files changed, 1 insertions, 349 deletions
diff --git a/engines/dreamweb/stubs.cpp b/engines/dreamweb/stubs.cpp
index 2051b5299d..dfb1a4a8c1 100644
--- a/engines/dreamweb/stubs.cpp
+++ b/engines/dreamweb/stubs.cpp
@@ -174,7 +174,7 @@ void DreamGenContext::dreamweb() {
}
}
-Common::String getFilename(Context &context) {
+static Common::String getFilename(Context &context) {
uint16 name_ptr = context.dx;
Common::String name;
uint8 c;
@@ -183,133 +183,6 @@ Common::String getFilename(Context &context) {
return name;
}
-uint8 *DreamGenContext::workspace() {
- push(es);
- es = data.word(kWorkspace);
- uint8 *result = es.ptr(0, 0);
- es = pop();
- return result;
-}
-
-void DreamGenContext::multiget() {
- multiget(di, bx, cl, ch);
-}
-
-void DreamGenContext::multiget(uint16 x, uint16 y, uint8 w, uint8 h) {
- unsigned src = x + y * kScreenwidth;
- unsigned dst = (uint16)si;
- es = ds;
- ds = data.word(kWorkspace);
- if (y + h > 200)
- h = 200 - y;
- if (x + w > 320)
- w = 320 - x;
- //debug(1, "multiget %u,%u %ux%u -> segment: %04x->%04x", x, y, w, h, (uint16)ds, (uint16)es);
- for(unsigned l = 0; l < h; ++l) {
- uint8 *src_p = ds.ptr(src + kScreenwidth * l, w);
- uint8 *dst_p = es.ptr(dst + w * l, w);
- memcpy(dst_p, src_p, w);
- }
- si += w * h;
- di = src + kScreenwidth * h;
- cx = 0;
-}
-
-void DreamGenContext::multiput() {
- multiput(di, bx, cl, ch);
-}
-
-void DreamGenContext::multiput(uint16 x, uint16 y, uint8 w, uint8 h) {
- unsigned src = (uint16)si;
- unsigned dst = x + y * kScreenwidth;
- es = data.word(kWorkspace);
- if (y + h > 200)
- h = 200 - y;
- if (x + w > 320)
- w = 320 - x;
- //debug(1, "multiput %ux%u -> segment: %04x->%04x", w, h, (uint16)ds, (uint16)es);
- for(unsigned l = 0; l < h; ++l) {
- uint8 *src_p = ds.ptr(src + w * l, w);
- uint8 *dst_p = es.ptr(dst + kScreenwidth * l, w);
- memcpy(dst_p, src_p, w);
- }
- si += w * h;
- di = dst + kScreenwidth * h;
- cx = 0;
-}
-
-void DreamGenContext::multidump(uint16 x, uint16 y, uint8 width, uint8 height) {
- ds = data.word(kWorkspace);
- unsigned offset = x + y * kScreenwidth;
- //debug(1, "multidump %ux%u(segment: %04x) -> %d,%d(address: %d)", w, h, (uint16)ds, x, y, offset);
- engine->blit(ds.ptr(offset, width * height), kScreenwidth, x, y, width, height);
-}
-
-void DreamGenContext::multidump() {
- multidump(di, bx, cl, ch);
- unsigned offset = di + bx * kScreenwidth;
- si = di = offset + ch * kScreenwidth;
- cx = 0;
-}
-
-void DreamGenContext::worktoscreen() {
- uint size = 320 * 200;
- engine->blit(workspace(), 320, 0, 0, 320, 200);
- di = si = size;
- cx = 0;
-}
-
-void DreamGenContext::printundermon() {
- engine->printUnderMonitor();
-}
-
-void DreamGenContext::cls() {
- engine->cls();
-}
-
-void DreamGenContext::frameoutnm(uint8 *dst, const uint8 *src, uint16 pitch, uint16 width, uint16 height, uint16 x, uint16 y) {
- dst += pitch * y + x;
-
- for (uint16 j = 0; j < height; ++j) {
- memcpy(dst, src, width);
- dst += pitch;
- src += width;
- }
-}
-
-void DreamGenContext::frameoutbh(uint8 *dst, const uint8 *src, uint16 pitch, uint16 width, uint16 height, uint16 x, uint16 y) {
- uint16 stride = pitch - width;
- dst += y * pitch + x;
-
- for (uint16 i = 0; i < height; ++i) {
- for (uint16 j = 0; j < width; ++j) {
- if (*dst == 0xff) {
- *dst = *src;
- }
- ++src;
- ++dst;
- }
- dst += stride;
- }
-}
-
-void DreamGenContext::frameoutfx(uint8 *dst, const uint8 *src, uint16 pitch, uint16 width, uint16 height, uint16 x, uint16 y) {
- uint16 stride = pitch - width;
- dst += y * pitch + x;
- dst -= width;
-
- for (uint16 j = 0; j < height; ++j) {
- for (uint16 i = 0; i < width; ++i) {
- uint8 pixel = src[width - i - 1];
- if (pixel)
- *dst = pixel;
- ++dst;
- }
- src += width;
- dst += stride;
- }
-}
-
void DreamGenContext::seecommandtail() {
data.word(kSoundbaseadd) = 0x220;
data.byte(kSoundint) = 5;
@@ -664,227 +537,6 @@ void DreamGenContext::fadedos() {
engine->fadeDos();
}
-void DreamGenContext::doshake() {
- uint8 &counter = data.byte(kShakecounter);
- _cmp(counter, 48);
- if (flags.z())
- return;
-
- _add(counter, 1);
- static const int shakeTable[] = {
- 0, -2, 3, -2, 0, 2, 4, -1,
- 1, -3, 3, 2, 0, -2, 3, -2,
- 0, 2, 4, -1, 1, -3, 3, 2,
- 0, -2, 3, -2, 0, 2, 4, -1,
-
- 1, -3, 3, 2, 0, -2, 3, -2,
- 0, 2, 4, -1, 1, -3, 3, 2,
- 0, -2, 3, -2, 0, 2, 4, -1,
- 1, -3, 3, 2, 0, -2, 3, -2,
-
- 0, 2, 4, -1, 1, -3, 3, 2,
- 0, -2, 3, -2, 0, 2, 4, -1,
- 1, -3, 3, 2, 0, -2, 3, -2,
- 0, 2, 4, -1, 1, -3, 3, 2,
-
- 0, -2, 3, -2, 0, 2, 4, -1,
- 1, -3, 3, 0,
- };
- int offset = shakeTable[counter];
- engine->setShakePos(offset >= 0 ? offset : -offset);
-}
-
-void DreamGenContext::vsync() {
- push(ax);
- push(bx);
- push(cx);
- push(dx);
- push(si);
- push(di);
- push(es);
- push(ds);
- engine->waitForVSync();
- ds = pop();
- es = pop();
- di = pop();
- si = pop();
- dx = pop();
- cx = pop();
- bx = pop();
- ax = pop();
-}
-
-void DreamGenContext::setmode() {
- vsync();
- initGraphics(320, 200, false);
-}
-
-void DreamGenContext::showpcx() {
- Common::String name = getFilename(*this);
- Common::File pcxFile;
-
- if (!pcxFile.open(name)) {
- warning("showpcx: Could not open '%s'", name.c_str());
- return;
- }
-
- uint8 *maingamepal;
- int i, j;
-
- // Read the 16-color palette into the 'maingamepal' buffer. Note that
- // the color components have to be adjusted from 8 to 6 bits.
-
- pcxFile.seek(16, SEEK_SET);
- es = data.word(kBuffers);
- maingamepal = es.ptr(kMaingamepal, 768);
- pcxFile.read(maingamepal, 48);
-
- memset(maingamepal + 48, 0xff, 720);
- for (i = 0; i < 48; i++) {
- maingamepal[i] >>= 2;
- }
-
- // Decode the image data.
-
- Graphics::Surface *s = g_system->lockScreen();
- Common::Rect rect(640, 480);
-
- s->fillRect(rect, 0);
- pcxFile.seek(128, SEEK_SET);
-
- for (int y = 0; y < 480; y++) {
- byte *dst = (byte *)s->getBasePtr(0, y);
- int decoded = 0;
-
- while (decoded < 320) {
- byte col = pcxFile.readByte();
- byte len;
-
- if ((col & 0xc0) == 0xc0) {
- len = col & 0x3f;
- col = pcxFile.readByte();
- } else {
- len = 1;
- }
-
- // The image uses 16 colors and is stored as four bit
- // planes, one for each bit of the color, least
- // significant bit plane first.
-
- for (i = 0; i < len; i++) {
- int plane = decoded / 80;
- int pos = decoded % 80;
-
- for (j = 0; j < 8; j++) {
- byte bit = (col >> (7 - j)) & 1;
- dst[8 * pos + j] |= (bit << plane);
- }
-
- decoded++;
- }
- }
- }
-
- g_system->unlockScreen();
- pcxFile.close();
-}
-
-void DreamGenContext::frameoutv(uint8 *dst, const uint8 *src, uint16 pitch, uint16 width, uint16 height, uint16 x, uint16 y) {
- // NB : These resilience checks were not in the original engine, but did they result in undefined behaviour
- // or was something broken during porting to C++?
- assert(pitch == 320);
-
- if(x >= 320)
- return;
- if(y >= 200)
- return;
- if(x + width > 320) {
- width = 320 - x;
- }
- if(y + height > 200) {
- height = 200 - y;
- }
-
- uint16 stride = pitch - width;
- dst += pitch * y + x;
-
- for (uint16 j = 0; j < height; ++j) {
- for (uint16 i = 0; i < width; ++i) {
- uint8 pixel = *src++;
- if (pixel)
- *dst = pixel;
- ++dst;
- }
- dst += stride;
- }
-}
-
-void DreamGenContext::showframe(uint16 src, uint16 x, uint16 y, uint16 frameNumber, uint8 effectsFlag, uint8 *width, uint8 *height) {
- ds = src;
- ah = effectsFlag;
-
- si = frameNumber * 6;
- if (ds.word(si) == 0) {
- *width = 0;
- *height = 0;
- return;
- }
-
-//notblankshow:
- if ((effectsFlag & 128) == 0) {
- x += ds.byte(si + 4);
- y += ds.byte(si + 5);
- }
-//skipoffsets:
-
- *width = ds.byte(si + 0);
- *height = ds.byte(si + 1);
- si = ds.word(si+2) + 2080;
- const uint8 *pSrc = ds.ptr(si, *width * *height);
-
- if (effectsFlag) {
- if (effectsFlag & 128) { //centred
- x -= *width / 2;
- y -= *height / 2;
- }
- if (effectsFlag & 64) { //diffdest
- frameoutfx(es.ptr(0, dx * *height), pSrc, dx, *width, *height, x, y);
- return;
- }
- if (effectsFlag & 8) { //printlist
- /*
- push(ax);
- al = x - data.word(kMapadx);
- ah = y - data.word(kMapady);
- //addtoprintlist(); // NB: Commented in the original asm
- ax = pop();
- */
- }
- if (effectsFlag & 4) { //flippedx
- frameoutfx(workspace(), pSrc, 320, *width, *height, x, y);
- return;
- }
- if (effectsFlag & 2) { //nomask
- frameoutnm(workspace(), pSrc, 320, *width, *height, x, y);
- return;
- }
- if (effectsFlag & 32) {
- frameoutbh(workspace(), pSrc, 320, *width, *height, x, y);
- return;
- }
- }
-//noeffects:
- frameoutv(workspace(), pSrc, 320, *width, *height, x, y);
- return;
-}
-
-void DreamGenContext::showframe() {
- uint8 width, height;
- showframe(ds, di, bx, ax & 0x1ff, ah & 0xfe, &width, &height);
- cl = width;
- ch = height;
-}
-
void DreamGenContext::eraseoldobs() {
if (data.byte(kNewobs) == 0)
return;
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-18 23:45:55 +0000