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- randomGetDataValue

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This commit is contained in:
Christoph Oelckers 2021-08-27 17:14:55 +02:00
parent 1cc5dbccb9
commit c427669595
2 changed files with 23 additions and 17 deletions
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39
source/games/blood/src/nnexts.cpp
View file

@ -947,7 +947,7 @@ int nnExtRandom(int a, int b)
return dist_a_b(gStdRandom); return dist_a_b(gStdRandom);
} }
int GetDataVal(DBloodActor* actor, int data) static int GetDataVal(DBloodActor* actor, int data)
{ {
if (!actor->hasX()) return -1; if (!actor->hasX()) return -1;
@ -967,15 +967,18 @@ int GetDataVal(DBloodActor* actor, int data)
// //
//--------------------------------------------------------------------------- //---------------------------------------------------------------------------
int randomGetDataValue(XSPRITE* pXSprite, int randType) { static int randomGetDataValue(DBloodActor* actor, int randType)
if (pXSprite == NULL) return -1; {
if (actor == NULL || !actor->hasX()) return -1;
auto pXSprite = &actor->x();
int random = 0; int bad = 0; int maxRetries = kMaxRandomizeRetries; int random = 0; int bad = 0; int maxRetries = kMaxRandomizeRetries;
int rData[4]; int rData[4];
rData[0] = pXSprite->data1; rData[2] = pXSprite->data3; rData[0] = pXSprite->data1; rData[2] = pXSprite->data3;
rData[1] = pXSprite->data2; rData[3] = pXSprite->data4; rData[1] = pXSprite->data2; rData[3] = pXSprite->data4;
// randomize only in case if at least 2 data fields fits. // randomize only in case if at least 2 data fields fits.
for (int i = 0; i < 4; i++) { for (int i = 0; i < 4; i++)
{
switch (randType) { switch (randType) {
case kRandomizeItem: case kRandomizeItem:
if (rData[i] >= kItemWeaponBase && rData[i] < kItemMax) break; if (rData[i] >= kItemWeaponBase && rData[i] < kItemMax) break;
@ -995,9 +998,11 @@ int randomGetDataValue(XSPRITE* pXSprite, int randType) {
} }
} }
if (bad < 3) { if (bad < 3)
{
// try randomize few times // try randomize few times
while (maxRetries > 0) { while (maxRetries > 0)
{
random = nnExtRandom(0, 3); random = nnExtRandom(0, 3);
if (rData[random] > 0) return rData[random]; if (rData[random] > 0) return rData[random];
else maxRetries--; else maxRetries--;
@ -1010,15 +1015,16 @@ int randomGetDataValue(XSPRITE* pXSprite, int randType) {
// this function drops random item using random pickup generator(s) // this function drops random item using random pickup generator(s)
spritetype* randomDropPickupObject(spritetype* pSource, short prevItem) spritetype* randomDropPickupObject(spritetype* pSource, short prevItem)
{ {
auto actor = &bloodActors[pSource->index]; auto sourceactor = &bloodActors[pSource->index];
spritetype* pSprite2 = NULL; int selected = -1; int maxRetries = 9; spritetype* pSprite2 = NULL; int selected = -1; int maxRetries = 9;
if (xspriRangeIsFine(pSource->extra)) { if (sourceactor->hasX())
XSPRITE* pXSource = &xsprite[pSource->extra]; {
while ((selected = randomGetDataValue(pXSource, kRandomizeItem)) == prevItem) if (maxRetries-- <= 0) break; XSPRITE* pXSource = &sourceactor->x();
while ((selected = randomGetDataValue(sourceactor, kRandomizeItem)) == prevItem) if (maxRetries-- <= 0) break;
if (selected > 0) if (selected > 0)
{ {
DBloodActor* spawned = actDropObject(actor, selected); DBloodActor* spawned = actDropObject(sourceactor, selected);
if (spawned) { if (spawned) {
pSprite2 = &spawned->s(); pSprite2 = &spawned->s();
@ -1050,10 +1056,11 @@ spritetype* randomDropPickupObject(spritetype* pSource, short prevItem)
// this function spawns random dude using dudeSpawn // this function spawns random dude using dudeSpawn
spritetype* randomSpawnDude(XSPRITE* pXSource, spritetype* pSprite, int a3, int a4) spritetype* randomSpawnDude(XSPRITE* pXSource, spritetype* pSprite, int a3, int a4)
{ {
auto sourceactor = &bloodActors[pXSource->reference];
DBloodActor* pSprite2 = NULL; int selected = -1; DBloodActor* pSprite2 = NULL; int selected = -1;
if ((selected = randomGetDataValue(pXSource, kRandomizeDude)) > 0) if ((selected = randomGetDataValue(sourceactor, kRandomizeDude)) > 0)
pSprite2 = nnExtSpawnDude(&bloodActors[pXSource->reference], &bloodActors[pSprite->index], selected, a3, 0); pSprite2 = nnExtSpawnDude(sourceactor, &bloodActors[pSprite->index], selected, a3, 0);
return pSprite2? &pSprite2->s() : nullptr; return pSprite2? &pSprite2->s() : nullptr;
} }
@ -5386,8 +5393,8 @@ void seqTxSendCmdAll(XSPRITE* pXSource, int nIndex, COMMAND_ID cmd, bool modernS
void useRandomTx(XSPRITE* pXSource, COMMAND_ID cmd, bool setState) { void useRandomTx(XSPRITE* pXSource, COMMAND_ID cmd, bool setState) {
auto sourceactor = &bloodActors[pXSource->reference];
spritetype* pSource = &sprite[pXSource->reference]; spritetype* pSource = &sourceactor->s();
int tx = 0; int maxRetries = kMaxRandomizeRetries; int tx = 0; int maxRetries = kMaxRandomizeRetries;
if (txIsRanged(pXSource)) { if (txIsRanged(pXSource)) {
@ -5397,7 +5404,7 @@ void useRandomTx(XSPRITE* pXSource, COMMAND_ID cmd, bool setState) {
} }
} else { } else {
while (maxRetries-- >= 0) { while (maxRetries-- >= 0) {
if ((tx = randomGetDataValue(pXSource, kRandomizeTX)) > 0 && tx != pXSource->txID) if ((tx = randomGetDataValue(sourceactor, kRandomizeTX)) > 0 && tx != pXSource->txID)
break; break;
} }
} }

1
source/games/blood/src/nnexts.h
View file

@ -302,7 +302,6 @@ void nnExtTriggerObject(int objType, int objIndex, int command);
// ------------------------------------------------------------------------- // // ------------------------------------------------------------------------- //
spritetype* randomDropPickupObject(spritetype* pSprite, short prevItem); spritetype* randomDropPickupObject(spritetype* pSprite, short prevItem);
spritetype* randomSpawnDude(XSPRITE* pXSource, spritetype* pSprite, int a3, int a4); spritetype* randomSpawnDude(XSPRITE* pXSource, spritetype* pSprite, int a3, int a4);
int randomGetDataValue(XSPRITE* pXSprite, int randType);
void sfxPlayMissileSound(spritetype* pSprite, int missileId); void sfxPlayMissileSound(spritetype* pSprite, int missileId);
void sfxPlayVectorSound(spritetype* pSprite, int vectorId); void sfxPlayVectorSound(spritetype* pSprite, int vectorId);
// ------------------------------------------------------------------------- // // ------------------------------------------------------------------------- //