thirdparty/scummvm
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First part of Yazoo and mines work on making older scumm games work.

Browse source 
Not enough here to actually work yet, just the base groundwork needed.

svn-id: r3567
This commit is contained in:
James Brown 2002-02-12 18:20:37 +00:00
parent 18dce61c93
commit f620d138f6
10 changed files with 584 additions and 53 deletions
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22
script.cpp
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@ -37,7 +37,10 @@ void Scumm::runScript(int script, int a, int b, int16 *lvarptr) {
if (script < _numGlobalScripts) {
scriptPtr = getResourceAddress(rtScript, script);
scriptOffs = 8;
if(_features & GF_SMALL_HEADER)
scriptOffs = 6;
else
scriptOffs = 8;
scriptType = WIO_GLOBAL;
} else {
scriptOffs = _localScriptList[script - _numGlobalScripts];
@ -662,7 +665,7 @@ void Scumm::runVerbCode(int object, int entry, int a, int b, int16 *vars) {
slot = getScriptSlot();
offs = getVerbEntrypoint(object, entry);
if (offs==0)
if (offs==0)
return;
vm.slot[slot].number = object;
@ -700,13 +703,19 @@ int Scumm::getVerbEntrypoint(int obj, int entry) {
objptr = getOBCDFromObject(obj);
assert(objptr);
verbptr = findResource(MKID('VERB'), objptr);
if(_features & GF_SMALL_HEADER)
verbptr = objptr+19;
else
verbptr = findResource(MKID('VERB'), objptr);
if (verbptr==NULL)
error("No verb block in object %d", obj);
verboffs = verbptr - objptr;
verbptr += _resourceHeaderSize;
if(!(_features & GF_SMALL_HEADER))
verbptr += _resourceHeaderSize;
do {
if (!*verbptr)
return 0;
@ -715,7 +724,10 @@ int Scumm::getVerbEntrypoint(int obj, int entry) {
verbptr += 3;
} while (1);
return verboffs + READ_LE_UINT16(verbptr+1);
if(_features & GF_SMALL_HEADER)
return READ_LE_UINT16(verbptr+1);
else
return verboffs + READ_LE_UINT16(verbptr+1);
}