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-rw-r--r--engines/sci/detection.cpp207
1 files changed, 47 insertions, 160 deletions
diff --git a/engines/sci/detection.cpp b/engines/sci/detection.cpp
index aba2b0b74e..2a83c8e32a 100644
--- a/engines/sci/detection.cpp
+++ b/engines/sci/detection.cpp
@@ -120,154 +120,6 @@ static const PlainGameDescriptor SciGameTitles[] = {
{0, 0}
};
-struct OldNewIdTableEntry {
- const char *oldId;
- const char *newId;
- SciVersion version;
-};
-
-static const OldNewIdTableEntry s_oldNewTable[] = {
- { "arthur", "camelot", SCI_VERSION_NONE },
- { "brain", "castlebrain", SCI_VERSION_1_MIDDLE }, // Amiga
- { "brain", "castlebrain", SCI_VERSION_1_LATE },
- { "demo", "christmas1988", SCI_VERSION_NONE },
- { "card", "christmas1990", SCI_VERSION_1_EARLY, },
- { "card", "christmas1992", SCI_VERSION_1_1 },
- { "RH Budget", "cnick-longbow", SCI_VERSION_NONE },
- // iceman is the same
- { "icedemo", "iceman", SCI_VERSION_NONE },
- // longbow is the same
- { "eco", "ecoquest", SCI_VERSION_NONE },
- { "eco2", "ecoquest2", SCI_VERSION_NONE }, // EcoQuest 2 demo
- { "rain", "ecoquest2", SCI_VERSION_NONE }, // EcoQuest 2 full
- { "tales", "fairytales", SCI_VERSION_NONE },
- { "fp", "freddypharkas", SCI_VERSION_NONE },
- { "emc", "funseeker", SCI_VERSION_NONE },
- { "gk", "gk1", SCI_VERSION_NONE },
- // gk2 is the same
- { "hoyledemo", "hoyle1", SCI_VERSION_NONE },
- { "cardgames", "hoyle1", SCI_VERSION_NONE },
- { "solitare", "hoyle2", SCI_VERSION_NONE },
- // hoyle3 is the same
- // hoyle4 is the same
- { "brain", "islandbrain", SCI_VERSION_1_1 },
- { "demo000", "kq1sci", SCI_VERSION_NONE },
- { "kq1", "kq1sci", SCI_VERSION_NONE },
- { "kq4", "kq4sci", SCI_VERSION_NONE },
- // kq5 is the same
- // kq6 is the same
- // kq7 is the same
- { "mm1", "laurabow", SCI_VERSION_NONE },
- { "cb1", "laurabow", SCI_VERSION_NONE },
- { "lb2", "laurabow2", SCI_VERSION_NONE },
- { "rh", "longbow", SCI_VERSION_NONE },
- { "ll1", "lsl1sci", SCI_VERSION_NONE },
- { "lsl1", "lsl1sci", SCI_VERSION_NONE },
- // lsl2 is the same
- { "lsl3", "lsl3", SCI_VERSION_NONE },
- { "ll5", "lsl5", SCI_VERSION_NONE },
- // lsl5 is the same
- // lsl6 is the same
- { "mg", "mothergoose", SCI_VERSION_NONE },
- { "twisty", "pepper", SCI_VERSION_NONE },
- { "scary", "phantasmagoria", SCI_VERSION_NONE },
- // TODO: distinguish the full version of Phantasmagoria from the demo
- { "pq1", "pq1sci", SCI_VERSION_NONE },
- { "pq", "pq2", SCI_VERSION_NONE },
- // pq3 is the same
- // pq4 is the same
- { "hq", "qfg1", SCI_VERSION_NONE }, // QFG1 SCI0/EGA
- { "glory", "qfg1", SCI_VERSION_0_LATE }, // QFG1 SCI0/EGA
- { "trial", "qfg2", SCI_VERSION_NONE },
- { "hq2demo", "qfg2", SCI_VERSION_NONE },
- // rama is the same
- // TODO: distinguish the full version of rama from the demo
- { "thegame", "slater", SCI_VERSION_NONE },
- { "sq1demo", "sq1sci", SCI_VERSION_NONE },
- { "sq1", "sq1sci", SCI_VERSION_NONE },
- // sq3 is the same
- // sq4 is the same
- // sq5 is the same
- // sq6 is the same
- // TODO: distinguish the full version of SQ6 from the demo
- // torin is the same
-
-
- // TODO: SCI3 IDs
-
- { "", "", SCI_VERSION_NONE }
-};
-
-Common::String convertSierraGameId(Common::String sierraId, uint32 *gameFlags, ResourceManager *resMan) {
- // Convert the id to lower case, so that we match all upper/lower case variants.
- sierraId.toLowercase();
-
- // If the game has less than the expected scripts, it's a demo
- uint32 demoThreshold = 100;
- // ...but there are some exceptions
- if (sierraId == "brain" || sierraId == "lsl1" ||
- sierraId == "mg" || sierraId == "pq" ||
- sierraId == "jones" ||
- sierraId == "cardgames" || sierraId == "solitare" ||
- sierraId == "hoyle3" || sierraId == "hoyle4")
- demoThreshold = 40;
- if (sierraId == "fp" || sierraId == "gk" || sierraId == "pq4")
- demoThreshold = 150;
-
- Common::List<ResourceId> *resources = resMan->listResources(kResourceTypeScript, -1);
- if (resources->size() < demoThreshold) {
- *gameFlags |= ADGF_DEMO;
-
- // Crazy Nick's Picks
- if (sierraId == "lsl1" && resources->size() == 34)
- return "cnick-lsl";
- if (sierraId == "sq4" && resources->size() == 34)
- return "cnick-sq";
-
- // TODO: cnick-kq, cnick-laurabow and cnick-longbow (their resources can't be read)
-
- // Handle Astrochicken 1 (SQ3) and 2 (SQ4)
- if (sierraId == "sq3" && resources->size() == 20)
- return "astrochicken";
- if (sierraId == "sq4")
- return "msastrochicken";
- }
-
- if (sierraId == "torin" && resources->size() == 226) // Torin's Passage demo
- *gameFlags |= ADGF_DEMO;
-
- for (const OldNewIdTableEntry *cur = s_oldNewTable; cur->oldId[0]; ++cur) {
- if (sierraId == cur->oldId) {
- // Distinguish same IDs from the SCI version
- if (cur->version != SCI_VERSION_NONE && cur->version != getSciVersion())
- continue;
-
- return cur->newId;
- }
- }
-
- if (sierraId == "glory") {
- // This could either be qfg1 VGA, qfg3 or qfg4 demo (all SCI1.1),
- // or qfg4 full (SCI2)
- // qfg1 VGA doesn't have view 1
- if (!resMan->testResource(ResourceId(kResourceTypeView, 1)))
- return "qfg1";
-
- // qfg4 full is SCI2
- if (getSciVersion() == SCI_VERSION_2)
- return "qfg4";
-
- // qfg4 demo has less than 50 scripts
- if (resources->size() < 50)
- return "qfg4";
-
- // Otherwise it's qfg3
- return "qfg3";
- }
-
- return sierraId;
-}
-
#include "sci/detection_tables.h"
/**
@@ -353,6 +205,50 @@ Common::Language charToScummVMLanguage(const char c) {
}
}
+#define READ_UINT16(buf) (!resMan->isSci11Mac() ? READ_LE_UINT16(buf) : READ_BE_UINT16(buf))
+
+// Finds the internal ID of the current game from script 0
+Common::String getSierraGameId(ResourceManager *resMan) {
+ Resource *script = resMan->findResource(ResourceId(kResourceTypeScript, 0), false);
+ Script *script000 = new Script();
+ script000->init(0, resMan);
+ script000->mcpyInOut(0, script->data, script->size);
+ uint16 curOffset = (getSciVersion() == SCI_VERSION_0_EARLY) ? 2 : 0;
+ uint16 objLength = 0;
+ int objType = 0;
+ int16 exportsOffset = 0;
+ Common::String sierraId;
+
+ // Now find the export table of the script
+ do {
+ objType = READ_UINT16(script000->_buf + curOffset);
+ if (!objType)
+ break;
+
+ objLength = READ_UINT16(script000->_buf + curOffset + 2);
+ curOffset += 4; // skip header
+
+ if (objType == SCI_OBJ_EXPORTS) {
+ exportsOffset = READ_UINT16(script000->_buf + curOffset + 2);
+ break;
+ }
+ curOffset += objLength - 4;
+ } while (objType != 0 && curOffset < script->size - 2);
+
+ // The game object is the first export. Script 0 is always at segment 1
+ reg_t gameObj = make_reg(1, exportsOffset);
+
+ // TODO: stop using the segment manager and read the object name here
+ SegManager *segMan = new SegManager(resMan);
+ script_instantiate(resMan, segMan, 0);
+ sierraId = segMan->getObjectName(gameObj);
+ delete segMan;
+
+ delete script000;
+
+ return sierraId;
+}
+
const ADGameDescription *SciMetaEngine::fallbackDetect(const Common::FSList &fslist) const {
bool foundResMap = false;
bool foundRes000 = false;
@@ -464,16 +360,7 @@ const ADGameDescription *SciMetaEngine::fallbackDetect(const Common::FSList &fsl
s_fallbackDesc.platform = Common::kPlatformAmiga;
// Determine the game id
- Common::String sierraGameId = resMan->findSierraGameId();
-
- // If we don't have a game id, the game is not SCI
- if (sierraGameId.empty()) {
- SearchMan.remove("SCI_detection");
- delete resMan;
- return 0;
- }
-
- Common::String gameId = convertSierraGameId(sierraGameId, &s_fallbackDesc.flags, resMan);
+ Common::String gameId = convertSierraGameId(getSierraGameId(resMan).c_str(), &s_fallbackDesc.flags, resMan);
strncpy(s_fallbackGameIdBuf, gameId.c_str(), sizeof(s_fallbackGameIdBuf) - 1);
s_fallbackGameIdBuf[sizeof(s_fallbackGameIdBuf) - 1] = 0; // Make sure string is NULL terminated
s_fallbackDesc.gameid = s_fallbackGameIdBuf;
@@ -548,8 +435,8 @@ bool SciMetaEngine::hasFeature(MetaEngineFeature f) const {
bool SciEngine::hasFeature(EngineFeature f) const {
return
//(f == kSupportsRTL) ||
- (f == kSupportsLoadingDuringRuntime) ||
- (f == kSupportsSavingDuringRuntime);
+ (f == kSupportsLoadingDuringRuntime);
+ //(f == kSupportsSavingDuringRuntime);
}
SaveStateList SciMetaEngine::listSaves(const char *target) const {
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-05 09:23:27 +0000