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Leon Krieg
2026-02-02 04:50:13 +01:00
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engines/sci/engine/static_selectors.cpp Normal file
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/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
// We place selector vocab name tables here for any game that doesn't have
// them. This includes the King's Quest IV Demo and LSL3 Demo.
#include "sci/engine/kernel.h"
#include "sci/engine/seg_manager.h"
#include "sci/engine/vm.h"
namespace Sci {
struct SelectorRemap {
SciVersion minVersion;
SciVersion maxVersion;
const char *name;
uint32 slot;
};
static const char * const sci0Selectors[] = {
"y", "x", "view", "loop", "cel", // 0 - 4
"underBits", "nsTop", "nsLeft", "nsBottom", "nsRight", // 5 - 9
"lsTop", "lsLeft", "lsBottom", "lsRight", "signal", // 10 - 14
"illegalBits", "brTop", "brLeft", "brBottom", "brRight", // 15 - 19
"name", "key", "time", "text", "elements", // 20 - 25
"color", "back", "mode", "style", "state", // 25 - 29
"font", "type", "window", "cursor", "max", // 30 - 34
"mark", "who", "message", "edit", "play", // 35 - 39
"number", "handle", "client", "dx", "dy", // 40 - 44
"b-moveCnt", "b-i1", "b-i2", "b-di", "b-xAxis", // 45 - 49
"b-incr", "xStep", "yStep", "moveSpeed", "canBeHere", // 50 - 54
"heading", "mover", "doit", "isBlocked", "looper", // 55 - 59
"priority", "modifiers", "replay", "setPri", "at", // 60 - 64
"next", "done", "width", "wordFail", "syntaxFail", // 65 - 69
"semanticFail", "pragmaFail", "said", "claimed", "value", // 70 - 74
"save", "restore", "title", "button", "icon", // 75 - 79
"draw", "delete", "z" // 80 - 82
};
static const char * const sci1Selectors[] = {
"parseLang", "printLang", "subtitleLang", "size", "points", // 83 - 87
"palette", "dataInc", "handle", "min", "sec", // 88 - 92
"frame", "vol", "pri", "perform", "moveDone" // 93 - 97
};
static const char * const sci11Selectors[] = {
"topString", "flags", "quitGame", "restart", "hide", // 98 - 102
"scaleSignal", "scaleX", "scaleY", "maxScale","vanishingX", // 103 - 107
"vanishingY" // 108
};
#ifdef ENABLE_SCI32
static const char * const sci2Selectors[] = {
"plane", "x", "y", "z", "scaleX", // 0 - 4
"scaleY", "maxScale", "priority", "fixPriority", "inLeft", // 5 - 9
"inTop", "inRight", "inBottom", "useInsetRect", "view", // 10 - 14
"loop", "cel", "bitmap", "nsLeft", "nsTop", // 15 - 19
"nsRight", "nsBottom", "lsLeft", "lsTop", "lsRight", // 20 - 25
"lsBottom", "signal", "illegalBits", "brLeft", "brTop", // 25 - 29
"brRight", "brBottom", "name", "key", "time", // 30 - 34
"text", "elements", "fore", "back", "mode", // 35 - 39
"style", "state", "font", "type", "window", // 40 - 44
"cursor", "max", "mark", "who", "message", // 45 - 49
"edit", "play", "number", "nodePtr", "client", // 50 - 54
"dx", "dy", "b-moveCnt", "b-i1", "b-i2", // 55 - 59
"b-di", "b-xAxis", "b-incr", "xStep", "yStep", // 60 - 64
"moveSpeed", "cantBeHere", "heading", "mover", "doit", // 65 - 69
"isBlocked", "looper", "modifiers", "replay", "setPri", // 70 - 74
"at", "next", "done", "width", "pragmaFail", // 75 - 79
"claimed", "value", "save", "restore", "title", // 80 - 84
"button", "icon", "draw", "delete", "printLang", // 85 - 89
"size", "points", "palette", "dataInc", "handle", // 90 - 94
"min", "sec", "frame", "vol", "perform", // 95 - 99
"moveDone", "topString", "flags", "quitGame", "restart", // 100 - 104
"hide", "scaleSignal", "vanishingX", "vanishingY", "picture", // 105 - 109
"resX", "resY", "coordType", "data", "skip", // 110 - 104
"center", "all", "show", "textLeft", "textTop", // 115 - 119
"textRight", "textBottom", "borderColor", "titleFore", "titleBack", // 120 - 124
"titleFont", "dimmed", "frameOut", "lastKey", "magnifier", // 125 - 129
"magPower", "mirrored", "pitch", "roll", "yaw", // 130 - 134
"left", "right", "top", "bottom", "numLines" // 135 - 139
};
#endif
static const SelectorRemap sciSelectorRemap[] = {
{ SCI_VERSION_0_EARLY, SCI_VERSION_0_LATE, "moveDone", 170 },
{ SCI_VERSION_0_EARLY, SCI_VERSION_0_LATE, "points", 316 },
{ SCI_VERSION_0_EARLY, SCI_VERSION_0_LATE, "flags", 368 },
{ SCI_VERSION_1_EARLY, SCI_VERSION_1_LATE, "nodePtr", 44 },
{ SCI_VERSION_1_LATE, SCI_VERSION_1_LATE, "cantBeHere", 57 },
{ SCI_VERSION_1_EARLY, SCI_VERSION_1_LATE, "topString", 101 },
{ SCI_VERSION_1_EARLY, SCI_VERSION_1_LATE, "flags", 102 },
// SCI1.1
{ SCI_VERSION_1_1, SCI_VERSION_1_1, "nodePtr", 41 },
{ SCI_VERSION_1_1, SCI_VERSION_1_1, "cantBeHere", 54 },
// The following are not really needed. They've only been defined to
// ease game debugging.
{ SCI_VERSION_1_1, SCI_VERSION_2_1_LATE, "-objID-", 4096 },
{ SCI_VERSION_1_1, SCI_VERSION_2_1_LATE, "-size-", 4097 },
{ SCI_VERSION_1_1, SCI_VERSION_2_1_LATE, "-propDict-", 4098 },
{ SCI_VERSION_1_1, SCI_VERSION_2_1_LATE, "-methDict-", 4099 },
{ SCI_VERSION_1_1, SCI_VERSION_2_1_LATE, "-classScript-", 4100 },
{ SCI_VERSION_1_1, SCI_VERSION_2_1_LATE, "-script-", 4101 },
{ SCI_VERSION_1_1, SCI_VERSION_2_1_LATE, "-super-", 4102 },
//
{ SCI_VERSION_1_1, SCI_VERSION_2_1_LATE, "-info-", 4103 },
{ SCI_VERSION_NONE, SCI_VERSION_NONE, nullptr, 0 }
};
struct ClassReference {
int script;
const char *className;
const char *selectorName;
SelectorType selectorType;
uint selectorOffset;
};
// For variable selectors, we ignore the global selectors and start off from
// the object's selectors (i.e. from the name selector onwards). Thus, the
// following are not taken into consideration when calculating the indices of
// variable selectors in this array:
// SCI0 - SCI1: species, superClass, -info-
// SCI1.1: -objID-, -size-, -propDict-, -methDict-, -classScript-, -script-,
// -super-, -info-
static const ClassReference classReferences[] = {
{ 0, "Character", "say", kSelectorMethod, 5 }, // Crazy Nick's Soft Picks
{ 928, "Narrator", "say", kSelectorMethod, 4 },
{ 928, "Narrator", "startText", kSelectorMethod, 5 },
{ 929, "Sync", "syncTime", kSelectorVariable, 1 },
{ 929, "Sync", "syncCue", kSelectorVariable, 2 },
{ 981, "SysWindow", "open", kSelectorMethod, 1 },
{ 999, "Script", "init", kSelectorMethod, 0 },
{ 999, "Script", "dispose", kSelectorMethod, 2 },
{ 999, "Script", "changeState", kSelectorMethod, 3 }
#ifdef ENABLE_SCI32
,
{ 64929, "Sync", "syncTime", kSelectorVariable, 2 },
{ 64929, "Sync", "syncCue", kSelectorVariable, 3 },
{ 64999, "Obj", "init", kSelectorMethod, 1 },
{ 64999, "Obj", "doit", kSelectorMethod, 2 }
#endif
};
Common::StringArray Kernel::checkStaticSelectorNames() {
Common::StringArray names;
const int offset = (getSciVersion() < SCI_VERSION_1_1) ? 3 : 0;
#ifdef ENABLE_SCI32
const int count = (getSciVersion() <= SCI_VERSION_1_1) ? ARRAYSIZE(sci0Selectors) + offset : ARRAYSIZE(sci2Selectors);
#else
const int count = ARRAYSIZE(sci0Selectors) + offset;
#endif
int countSci1 = ARRAYSIZE(sci1Selectors);
int countSci11 = ARRAYSIZE(sci11Selectors);
// Resize the list of selector names and fill in the SCI 0 names.
names.resize(count);
if (getSciVersion() <= SCI_VERSION_1_LATE) {
// Fill selectors 0 - 2 for SCI0 - SCI1 late
names[0] = "species";
names[1] = "superClass";
names[2] = "-info-";
}
if (getSciVersion() <= SCI_VERSION_1_1) {
// SCI0 - SCI11
for (int i = offset; i < count; i++)
names[i] = sci0Selectors[i - offset];
if (getSciVersion() > SCI_VERSION_01) {
// Several new selectors were added in SCI 1 and later.
names.resize(count + countSci1);
for (int i = count; i < count + countSci1; i++)
names[i] = sci1Selectors[i - count];
}
if (getSciVersion() >= SCI_VERSION_1_1) {
// Several new selectors were added in SCI 1.1
names.resize(count + countSci1 + countSci11);
for (int i = count + countSci1; i < count + countSci1 + countSci11; i++)
names[i] = sci11Selectors[i - count - countSci1];
}
#ifdef ENABLE_SCI32
} else {
// SCI2+
for (int i = 0; i < count; i++)
names[i] = sci2Selectors[i];
#endif
}
findSpecificSelectors(names);
// HACK for LB2 floppy, for saving via GMM
if (g_sci->getGameId() == GID_LAURABOW2) {
names[342] = "input";
names[343] = "controls";
}
for (const SelectorRemap *selectorRemap = sciSelectorRemap; selectorRemap->slot; ++selectorRemap) {
if (getSciVersion() >= selectorRemap->minVersion && getSciVersion() <= selectorRemap->maxVersion) {
const uint32 slot = selectorRemap->slot;
if (slot >= names.size())
names.resize(slot + 1);
names[slot] = selectorRemap->name;
}
}
return names;
}
void Kernel::findSpecificSelectors(Common::StringArray &selectorNames) {
// Now, we need to find out selectors which keep changing place...
// We do that by dissecting game objects, and looking for selectors at
// specified locations. We need to load some game scripts here to
// find these selectors, but all of the loaded scripts will be
// purged at the end of this function, as the segment manager will be
// reset.
// We need to initialize script 0 here, to make sure that it's always
// located at segment 1.
_segMan->instantiateScript(0, false);
// The Actor class contains the init, xLast and yLast selectors, which
// we reference directly. It's always in script 998, so we need to
// explicitly load it here.
if (getSciVersion() >= SCI_VERSION_1_EGA_ONLY) {
uint16 actorScript = 998;
#ifdef ENABLE_SCI32
if (getSciVersion() >= SCI_VERSION_2) {
actorScript += 64000;
}
#endif
if (_resMan->testResource(ResourceId(kResourceTypeScript, actorScript))) {
_segMan->instantiateScript(actorScript, false);
const Object *actorClass = _segMan->getObject(_segMan->findObjectByName("Actor"));
if (actorClass) {
// Find the xLast and yLast selectors, used in kDoBresen
int offset = (getSciVersion() < SCI_VERSION_1_1) ? 3 : 0;
#ifdef ENABLE_SCI32
if (getSciVersion() >= SCI_VERSION_2) {
offset += 12;
}
#endif
// xLast and yLast always come between illegalBits and xStep
int illegalBitsSelectorPos = actorClass->locateVarSelector(_segMan, 15 + offset); // illegalBits
int xStepSelectorPos = actorClass->locateVarSelector(_segMan, 51 + offset); // xStep
if (xStepSelectorPos - illegalBitsSelectorPos != 3) {
error("illegalBits and xStep selectors aren't found in "
"known locations. illegalBits = %d, xStep = %d",
illegalBitsSelectorPos, xStepSelectorPos);
}
int xLastSelectorPos = actorClass->getVarSelector(illegalBitsSelectorPos + 1);
int yLastSelectorPos = actorClass->getVarSelector(illegalBitsSelectorPos + 2);
if (selectorNames.size() < (uint32)yLastSelectorPos + 1)
selectorNames.resize((uint32)yLastSelectorPos + 1);
selectorNames[xLastSelectorPos] = "xLast";
selectorNames[yLastSelectorPos] = "yLast";
}
_segMan->uninstantiateScript(actorScript);
}
}
// Find selectors from specific classes
for (int i = 0; i < ARRAYSIZE(classReferences); i++) {
if (!_resMan->testResource(ResourceId(kResourceTypeScript, classReferences[i].script)))
continue;
_segMan->instantiateScript(classReferences[i].script, false);
const Object *targetClass = _segMan->getObject(_segMan->findObjectByName(classReferences[i].className));
uint selectorOffset = classReferences[i].selectorOffset;
if (targetClass) {
int targetSelectorPos;
if (classReferences[i].selectorType == kSelectorMethod) {
if (targetClass->getMethodCount() < selectorOffset + 1)
error("The %s class has less than %d methods (%d)",
classReferences[i].className, selectorOffset + 1,
targetClass->getMethodCount());
targetSelectorPos = targetClass->getFuncSelector(selectorOffset);
} else {
// Add the global selectors to the selector ID
selectorOffset += (getSciVersion() <= SCI_VERSION_1_LATE) ? 3 : 8;
if (targetClass->getVarCount() < selectorOffset + 1)
error("The %s class has less than %d variables (%d)",
classReferences[i].className, selectorOffset + 1,
targetClass->getVarCount());
targetSelectorPos = targetClass->getVarSelector(selectorOffset);
}
if (selectorNames.size() < (uint32)targetSelectorPos + 1)
selectorNames.resize((uint32)targetSelectorPos + 1);
selectorNames[targetSelectorPos] = classReferences[i].selectorName;
}
}
_segMan->resetSegMan();
}
} // End of namespace Sci