aboutsummaryrefslogtreecommitdiff
path: root/engines/cruise/script.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'engines/cruise/script.cpp')
-rw-r--r--engines/cruise/script.cpp247
1 files changed, 102 insertions, 145 deletions
diff --git a/engines/cruise/script.cpp b/engines/cruise/script.cpp
index 5403c5da59..1f308714f7 100644
--- a/engines/cruise/script.cpp
+++ b/engines/cruise/script.cpp
@@ -51,12 +51,13 @@ int32 opcodeType0() {
int index = 0;
switch (currentScriptOpcodeType) {
- case 0: {
+ case 0:
pushVar(getShortFromScript());
return (0);
- }
+
case 5:
index = saveOpcodeVar;
+ // No break on purpose
case 1: {
uint8 *address = 0;
int type = getByteFromScript();
@@ -131,12 +132,12 @@ int32 opcodeType1() {
int offset = 0;
switch (currentScriptOpcodeType) {
- case 0: {
+ case 0:
return (0); // strange, but happens also in original interpreter
- }
- case 5: {
+
+ case 5:
offset = saveOpcodeVar;
- }
+ //no break on purpose
case 1: {
int var_A = 0;
@@ -169,7 +170,7 @@ int32 opcodeType1() {
if (var_6 == 5) {
ptr = overlayTable[byte2].ovlData->data4Ptr + var_C;
} else {
- ASSERT(0);
+ assert(0);
}
} else {
ptr = scriptDataPtrTable[var_6] + var_C;
@@ -226,6 +227,7 @@ int32 opcodeType2() {
switch (currentScriptOpcodeType) {
case 5:
index = saveOpcodeVar;
+ // No break on purpose
case 1: {
uint8* adresse = NULL;
int type = getByteFromScript();
@@ -247,7 +249,7 @@ int32 opcodeType2() {
if (!overlayTable[overlay].ovlData) {
return (-4);
}
- ASSERT(0);
+ assert(0);
}
adresse += offset;
@@ -261,6 +263,7 @@ int32 opcodeType2() {
}
}
+ break;
}
return 0;
@@ -281,39 +284,37 @@ int32 opcodeType4() { // test
int var2 = popVar();
switch (currentScriptOpcodeType) {
- case 0: {
+ case 0:
if (var2 != var1)
boolVar = 1;
break;
- }
- case 1: {
+
+ case 1:
if (var2 == var1)
boolVar = 1;
break;
- }
- case 2: {
+
+ case 2:
if (var2 < var1)
boolVar = 1;
break;
- }
- case 3: {
+
+ case 3:
if (var2 <= var1)
boolVar = 1;
break;
- }
- case 4: {
+
+ case 4:
if (var2 > var1)
boolVar = 1;
break;
- }
- case 5: {
+
+ case 5:
if (var2 >= var1)
boolVar = 1;
break;
}
- }
-
pushVar(boolVar);
return (0);
@@ -327,13 +328,11 @@ int32 opcodeType6() {
if (!pop)
si = 1;
- if (pop < 0) {
+ if (pop < 0)
si |= 4;
- }
- if (pop > 0) {
+ if (pop > 0)
si |= 2;
- }
currentScriptPtr->ccr = si;
@@ -357,50 +356,49 @@ int32 opcodeType5() {
int bitMask = currentScriptPtr->ccr;
switch (currentScriptOpcodeType) {
- case 0: {
- if (!(bitMask & 1)) {
+ case 0:
+ if (!(bitMask & 1))
currentScriptPtr->scriptOffset = newSi;
- }
+
break;
- }
- case 1: {
- if (bitMask & 1) {
+
+ case 1:
+ if (bitMask & 1)
currentScriptPtr->scriptOffset = newSi;
- }
+
break;
- }
- case 2: {
- if (bitMask & 2) {
+
+ case 2:
+ if (bitMask & 2)
currentScriptPtr->scriptOffset = newSi;
- }
+
break;
- }
- case 3: {
- if (bitMask & 3) {
+
+ case 3:
+ if (bitMask & 3)
currentScriptPtr->scriptOffset = newSi;
- }
+
break;
- }
- case 4: {
- if (bitMask & 4) {
+
+ case 4:
+ if (bitMask & 4)
currentScriptPtr->scriptOffset = newSi;
- }
+
break;
- }
- case 5: {
- if (bitMask & 5) {
+
+ case 5:
+ if (bitMask & 5)
currentScriptPtr->scriptOffset = newSi;
- }
+
break;
- }
- case 6: {
+
+ case 6:
break; // never
- }
- case 7: {
+
+ case 7:
currentScriptPtr->scriptOffset = newSi; //always
break;
}
- }
return (0);
}
@@ -410,39 +408,39 @@ int32 opcodeType3() { // math
int pop2 = popVar();
switch (currentScriptOpcodeType) {
- case 0: {
+ case 0:
pushVar(pop1 + pop2);
return (0);
- }
- case 1: {
+
+ case 1:
if (pop2 == 0)
error("opcodeType3 - Invalid value for pop2");
pushVar(pop1 / pop2);
return (0);
- }
- case 2: {
+
+ case 2:
pushVar(pop1 - pop2);
return (0);
- }
- case 3: {
+
+ case 3:
pushVar(pop1 * pop2);
return (0);
- }
- case 4: {
+
+ case 4:
if (pop2 == 0)
error("opcodeType3 - Invalid value for pop2");
pushVar(pop1 % pop2);
return (0);
- }
+
case 7:
- case 5: {
+ case 5:
pushVar(pop2 | pop1);
return (0);
- }
- case 6: {
+
+ case 6:
pushVar(pop2 & pop1);
return (0);
- }
+
}
return 0;
@@ -455,9 +453,8 @@ int32 opcodeType9() { // stop script
}
void setupFuncArray() {
- for (int i = 0; i < 64; i++) {
+ for (int i = 0; i < 64; i++)
opcodeTypeTable[i] = NULL;
- }
opcodeTypeTable[1] = opcodeType0;
opcodeTypeTable[2] = opcodeType1;
@@ -474,19 +471,13 @@ void setupFuncArray() {
}
int removeScript(int overlay, int idx, scriptInstanceStruct *headPtr) {
- scriptInstanceStruct *scriptPtr;
-
- scriptPtr = headPtr->nextScriptPtr;
+ scriptInstanceStruct *scriptPtr = headPtr->nextScriptPtr;
- if (scriptPtr) {
- do {
- if (scriptPtr->overlayNumber == overlay
- && (scriptPtr->scriptNumber == idx || idx == -1)) {
- scriptPtr->scriptNumber = -1;
- }
+ while (scriptPtr) {
+ if (scriptPtr->overlayNumber == overlay && (scriptPtr->scriptNumber == idx || idx == -1))
+ scriptPtr->scriptNumber = -1;
- scriptPtr = scriptPtr->nextScriptPtr;
- } while (scriptPtr);
+ scriptPtr = scriptPtr->nextScriptPtr;
}
return (0);
@@ -495,77 +486,61 @@ int removeScript(int overlay, int idx, scriptInstanceStruct *headPtr) {
uint8 *attacheNewScriptToTail(scriptInstanceStruct *scriptHandlePtr, int16 overlayNumber, int16 param, int16 arg0, int16 arg1, int16 arg2, scriptTypeEnum scriptType) {
int useArg3Neg = 0;
ovlData3Struct *data3Ptr;
- scriptInstanceStruct *tempPtr;
int var_C;
scriptInstanceStruct *oldTail;
- //debug("Starting script %d of overlay %s", param,overlayTable[overlayNumber].overlayName);
-
if (scriptType < 0) {
useArg3Neg = 1;
- scriptType = (scriptTypeEnum) - scriptType;
+ scriptType = (scriptTypeEnum) -scriptType;
}
- if (scriptType == 20) {
+ if (scriptType == 20)
data3Ptr = getOvlData3Entry(overlayNumber, param);
- } else {
- if (scriptType == 30) {
- data3Ptr = scriptFunc1Sub2(overlayNumber, param);
- } else {
- return (NULL);
- }
- }
+ else if (scriptType == 30)
+ data3Ptr = scriptFunc1Sub2(overlayNumber, param);
+ else
+ return (NULL);
- if (!data3Ptr) {
+ if (!data3Ptr)
return (NULL);
- }
- if (!data3Ptr->dataPtr) {
+ if (!data3Ptr->dataPtr)
return (NULL);
- }
var_C = data3Ptr->sysKey;
-
oldTail = scriptHandlePtr;
- while (oldTail->nextScriptPtr) { // go to the end of the list
+ while (oldTail->nextScriptPtr) // go to the end of the list
oldTail = oldTail->nextScriptPtr;
- }
- tempPtr =
- (scriptInstanceStruct *)
- mallocAndZero(sizeof(scriptInstanceStruct));
+ scriptInstanceStruct *tempPtr = (scriptInstanceStruct *)mallocAndZero(sizeof(scriptInstanceStruct));
if (!tempPtr)
return (NULL);
tempPtr->data = NULL;
- if (var_C) {
+ if (var_C)
tempPtr->data = (uint8 *) mallocAndZero(var_C);
- }
tempPtr->dataSize = var_C;
tempPtr->nextScriptPtr = NULL;
tempPtr->scriptOffset = 0;
-
tempPtr->scriptNumber = param;
tempPtr->overlayNumber = overlayNumber;
- if (scriptType == 20) { // Obj or not ?
+ if (scriptType == 20) // Obj or not ?
tempPtr->sysKey = useArg3Neg;
- } else {
+ else
tempPtr->sysKey = 1;
- }
tempPtr->freeze = 0;
tempPtr->type = scriptType;
tempPtr->var18 = arg2;
tempPtr->var16 = arg1;
tempPtr->var1A = arg0;
- tempPtr->nextScriptPtr = oldTail->nextScriptPtr; // should always be NULL as it's the tail
-
- oldTail->nextScriptPtr = tempPtr; // attache the new node to the list
+ tempPtr->nextScriptPtr = oldTail->nextScriptPtr; // should always be NULL as it's the tail
+ oldTail->nextScriptPtr = tempPtr; // attach the new node to the list
return (tempPtr->data);
}
@@ -578,27 +553,18 @@ int executeScripts(scriptInstanceStruct *ptr) {
numScript2 = ptr->scriptNumber;
- if (ptr->type == 20) {
+ if (ptr->type == 20)
ptr2 = getOvlData3Entry(ptr->overlayNumber, numScript2);
+ else if (ptr->type == 30)
+ ptr2 = scriptFunc1Sub2(ptr->overlayNumber, numScript2);
+ else
+ return (-6);
- if (!ptr2) {
- return (-4);
- }
- } else {
- if (ptr->type == 30) {
- ptr2 = scriptFunc1Sub2(ptr->overlayNumber, numScript2);
-
- if (!ptr2) {
- return (-4);
- }
- } else {
- return (-6);
- }
- }
+ if (!ptr2)
+ return (-4);
- if (!overlayTable[ptr->overlayNumber].alreadyLoaded) {
+ if (!overlayTable[ptr->overlayNumber].alreadyLoaded)
return (-7);
- }
ovlData = overlayTable[ptr->overlayNumber].ovlData;
@@ -606,14 +572,11 @@ int executeScripts(scriptInstanceStruct *ptr) {
return (-4);
currentData3DataPtr = ptr2->dataPtr;
-
scriptDataPtrTable[1] = (uint8 *) ptr->data;
scriptDataPtrTable[2] = getDataFromData3(ptr2, 1);
scriptDataPtrTable[5] = ovlData->data4Ptr; // free strings
scriptDataPtrTable[6] = ovlData->ptr8;
-
currentScriptPtr = ptr;
-
positionInStack = 0;
do {
@@ -647,21 +610,15 @@ int executeScripts(scriptInstanceStruct *ptr) {
void manageScripts(scriptInstanceStruct *scriptHandle) {
scriptInstanceStruct *ptr = scriptHandle;
- if (ptr) {
- do {
- if (!overlayTable[ptr->overlayNumber].executeScripts) {
- if ((ptr->scriptNumber != -1) && (ptr->freeze == 0) && (ptr->sysKey != 0)) {
- executeScripts(ptr);
- }
-
- if (ptr->sysKey == 0) {
- ptr->sysKey = 1;
- }
- }
-
- ptr = ptr->nextScriptPtr;
+ while (ptr) {
+ if (!overlayTable[ptr->overlayNumber].executeScripts) {
+ if ((ptr->scriptNumber != -1) && (ptr->freeze == 0) && (ptr->sysKey != 0))
+ executeScripts(ptr);
- } while (ptr);
+ if (ptr->sysKey == 0)
+ ptr->sysKey = 1;
+ }
+ ptr = ptr->nextScriptPtr;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-20 11:28:08 +0000