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DIRECTOR: Consolidated transition parameters calculations
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@sev-
sev- committed Mar 26, 2020
1 parent 4555461 commit 0c0c21e
Showing 1 changed file with 81 additions and 119 deletions.
200 changes: 81 additions & 119 deletions engines/director/transitions.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -48,35 +48,10 @@ enum TransitionAlgo {
};

enum TransitionDirection {
kTransDirBits,
kTransDirBitsFast,
kTransDirBottomBuildLeft,
kTransDirBottomBuildRight,
kTransDirEast,
kTransDirNone,
kTransDirHorizontal,
kTransDirIn,
kTransDirLeftBuildDown,
kTransDirLeftBuildUp,
kTransDirNormal,
kTransDirNorth,
kTransDirNorthEast,
kTransDirNorthWest,
kTransDirOut,
kTransDirPattern,
kTransDirPixels,
kTransDirPixelsFast,
kTransDirRectangular,
kTransDirRightBuildDown,
kTransDirRightBuildUp,
kTransDirSouth,
kTransDirSouthEast,
kTransDirSouthWest,
kTransDirSquare,
kTransDirSymmetrical,
kTransDirTopBuildLeft,
kTransDirTopBuildRight,
kTransDirVertical,
kTransDirWest
kTransDirBoth
};

#define TRANS(t,a,d) {t,#t,a,d}
Expand All @@ -87,59 +62,59 @@ struct {
TransitionAlgo algo;
TransitionDirection dir;
} static const transProps[] = {
TRANS(kTransNone, kTransAlgoWipe, kTransDirEast),
TRANS(kTransWipeRight, kTransAlgoWipe, kTransDirEast),
TRANS(kTransWipeLeft, kTransAlgoWipe, kTransDirWest),
TRANS(kTransWipeDown, kTransAlgoWipe, kTransDirSouth),
TRANS(kTransWipeUp, kTransAlgoWipe, kTransDirNorth),
TRANS(kTransNone, kTransAlgoWipe, kTransDirNone),
TRANS(kTransWipeRight, kTransAlgoWipe, kTransDirHorizontal),
TRANS(kTransWipeLeft, kTransAlgoWipe, kTransDirHorizontal),
TRANS(kTransWipeDown, kTransAlgoWipe, kTransDirVertical),
TRANS(kTransWipeUp, kTransAlgoWipe, kTransDirVertical),
TRANS(kTransCenterOutHorizontal, kTransAlgoCenterOut,kTransDirHorizontal), // 5
TRANS(kTransEdgesInHorizontal, kTransAlgoEdgesIn, kTransDirHorizontal),
TRANS(kTransCenterOutVertical, kTransAlgoCenterOut,kTransDirVertical),
TRANS(kTransEdgesInVertical, kTransAlgoEdgesIn, kTransDirVertical),
TRANS(kTransCenterOutSquare, kTransAlgoCenterOut,kTransDirSymmetrical),
TRANS(kTransEdgesInSquare, kTransAlgoEdgesIn, kTransDirSymmetrical), // 10
TRANS(kTransPushLeft, kTransAlgoPush, kTransDirWest),
TRANS(kTransPushRight, kTransAlgoPush, kTransDirEast),
TRANS(kTransPushDown, kTransAlgoPush, kTransDirSouth),
TRANS(kTransPushUp, kTransAlgoPush, kTransDirNorth),
TRANS(kTransRevealUp, kTransAlgoReveal, kTransDirNorth), // 15
TRANS(kTransRevealUpRight, kTransAlgoReveal, kTransDirNorthEast),
TRANS(kTransRevealRight, kTransAlgoReveal, kTransDirEast),
TRANS(kTransRevealDownRight, kTransAlgoReveal, kTransDirSouthEast),
TRANS(kTransRevealDown, kTransAlgoReveal, kTransDirSouth),
TRANS(kTransRevealDownLeft, kTransAlgoReveal, kTransDirSouthWest), // 20
TRANS(kTransRevealLeft, kTransAlgoReveal, kTransDirWest),
TRANS(kTransRevealUpLeft, kTransAlgoReveal, kTransDirNorthWest),
TRANS(kTransDissolvePixelsFast, kTransAlgoDissolve, kTransDirPixelsFast),
TRANS(kTransDissolveBoxyRects, kTransAlgoBoxy, kTransDirRectangular),
TRANS(kTransDissolveBoxySquares, kTransAlgoBoxy, kTransDirSquare), // 25
TRANS(kTransDissolvePatterns, kTransAlgoDissolve, kTransDirPattern),
TRANS(kTransCenterOutSquare, kTransAlgoCenterOut,kTransDirBoth),
TRANS(kTransEdgesInSquare, kTransAlgoEdgesIn, kTransDirBoth), // 10
TRANS(kTransPushLeft, kTransAlgoPush, kTransDirHorizontal),
TRANS(kTransPushRight, kTransAlgoPush, kTransDirHorizontal),
TRANS(kTransPushDown, kTransAlgoPush, kTransDirVertical),
TRANS(kTransPushUp, kTransAlgoPush, kTransDirVertical),
TRANS(kTransRevealUp, kTransAlgoReveal, kTransDirVertical), // 15
TRANS(kTransRevealUpRight, kTransAlgoReveal, kTransDirBoth),
TRANS(kTransRevealRight, kTransAlgoReveal, kTransDirHorizontal),
TRANS(kTransRevealDownRight, kTransAlgoReveal, kTransDirBoth),
TRANS(kTransRevealDown, kTransAlgoReveal, kTransDirVertical),
TRANS(kTransRevealDownLeft, kTransAlgoReveal, kTransDirBoth), // 20
TRANS(kTransRevealLeft, kTransAlgoReveal, kTransDirHorizontal),
TRANS(kTransRevealUpLeft, kTransAlgoReveal, kTransDirBoth),
TRANS(kTransDissolvePixelsFast, kTransAlgoDissolve, kTransDirNone),
TRANS(kTransDissolveBoxyRects, kTransAlgoBoxy, kTransDirBoth),
TRANS(kTransDissolveBoxySquares, kTransAlgoBoxy, kTransDirBoth), // 25
TRANS(kTransDissolvePatterns, kTransAlgoDissolve, kTransDirNone),
TRANS(kTransRandomRows, kTransAlgoRandomLines,kTransDirHorizontal),
TRANS(kTransRandomColumns, kTransAlgoRandomLines,kTransDirVertical),
TRANS(kTransCoverDown, kTransAlgoCover, kTransDirSouth),
TRANS(kTransCoverDownLeft, kTransAlgoCover, kTransDirSouthWest), // 30
TRANS(kTransCoverDownRight, kTransAlgoCover, kTransDirSouthEast),
TRANS(kTransCoverLeft, kTransAlgoCover, kTransDirWest),
TRANS(kTransCoverRight, kTransAlgoCover, kTransDirEast),
TRANS(kTransCoverUp, kTransAlgoCover, kTransDirNorth),
TRANS(kTransCoverUpLeft, kTransAlgoCover, kTransDirNorthWest), // 35
TRANS(kTransCoverUpRight, kTransAlgoCover, kTransDirNorthEast),
TRANS(kTransCoverDown, kTransAlgoCover, kTransDirVertical),
TRANS(kTransCoverDownLeft, kTransAlgoCover, kTransDirBoth), // 30
TRANS(kTransCoverDownRight, kTransAlgoCover, kTransDirBoth),
TRANS(kTransCoverLeft, kTransAlgoCover, kTransDirHorizontal),
TRANS(kTransCoverRight, kTransAlgoCover, kTransDirHorizontal),
TRANS(kTransCoverUp, kTransAlgoCover, kTransDirVertical),
TRANS(kTransCoverUpLeft, kTransAlgoCover, kTransDirBoth), // 35
TRANS(kTransCoverUpRight, kTransAlgoCover, kTransDirBoth),
TRANS(kTransTypeVenitianBlind, kTransAlgoBlinds, kTransDirHorizontal),
TRANS(kTransTypeCheckerboard, kTransAlgoCheckerBoard, kTransDirNormal),
TRANS(kTransTypeStripsBottomBuildLeft, kTransAlgoBuildStrips, kTransDirBottomBuildLeft),
TRANS(kTransTypeStripsBottomBuildRight, kTransAlgoBuildStrips, kTransDirBottomBuildRight), // 40
TRANS(kTransTypeStripsLeftBuildDown, kTransAlgoBuildStrips, kTransDirLeftBuildDown),
TRANS(kTransTypeStripsLeftBuildUp, kTransAlgoBuildStrips, kTransDirLeftBuildUp),
TRANS(kTransTypeStripsRightBuildDown, kTransAlgoBuildStrips, kTransDirRightBuildDown),
TRANS(kTransTypeStripsRightBuildUp, kTransAlgoBuildStrips, kTransDirRightBuildUp),
TRANS(kTransTypeStripsTopBuildLeft, kTransAlgoBuildStrips, kTransDirTopBuildLeft),// 45
TRANS(kTransTypeStripsTopBuildRight, kTransAlgoBuildStrips, kTransDirTopBuildRight),
TRANS(kTransZoomOpen, kTransAlgoZoom, kTransDirIn),
TRANS(kTransZoomClose, kTransAlgoZoom, kTransDirOut),
TRANS(kTransVerticalBinds, kTransAlgoBlinds, kTransDirVertical),
TRANS(kTransDissolveBitsFast, kTransAlgoDissolve, kTransDirBitsFast), // 50
TRANS(kTransDissolvePixels, kTransAlgoDissolve, kTransDirPixels),
TRANS(kTransDissolveBits, kTransAlgoDissolve, kTransDirBits)
TRANS(kTransTypeCheckerboard, kTransAlgoCheckerBoard, kTransDirBoth),
TRANS(kTransTypeStripsBottomBuildLeft, kTransAlgoBuildStrips, kTransDirBoth),
TRANS(kTransTypeStripsBottomBuildRight, kTransAlgoBuildStrips, kTransDirBoth), // 40
TRANS(kTransTypeStripsLeftBuildDown, kTransAlgoBuildStrips, kTransDirBoth),
TRANS(kTransTypeStripsLeftBuildUp, kTransAlgoBuildStrips, kTransDirBoth),
TRANS(kTransTypeStripsRightBuildDown, kTransAlgoBuildStrips, kTransDirBoth),
TRANS(kTransTypeStripsRightBuildUp, kTransAlgoBuildStrips, kTransDirBoth),
TRANS(kTransTypeStripsTopBuildLeft, kTransAlgoBuildStrips, kTransDirBoth),// 45
TRANS(kTransTypeStripsTopBuildRight, kTransAlgoBuildStrips, kTransDirBoth),
TRANS(kTransZoomOpen, kTransAlgoZoom, kTransDirBoth),
TRANS(kTransZoomClose, kTransAlgoZoom, kTransDirBoth),
TRANS(kTransVerticalBinds, kTransAlgoBlinds, kTransDirBoth),
TRANS(kTransDissolveBitsFast, kTransAlgoDissolve, kTransDirNone), // 50
TRANS(kTransDissolvePixels, kTransAlgoDissolve, kTransDirNone),
TRANS(kTransDissolveBits, kTransAlgoDissolve, kTransDirNone)
};

struct TransParams {
Expand Down Expand Up @@ -224,10 +199,8 @@ void Frame::playTransition(Score *score) {

case kTransCoverDown: // 29
{
uint16 stepSize = clipRect.height() / t.steps;

for (uint16 i = 1; i < t.steps; i++) {
r.setHeight(stepSize * i);
r.setHeight(t.yStepSize * i);
r.clip(clipRect);

g_system->delayMillis(t.stepDuration);
Expand All @@ -241,12 +214,10 @@ void Frame::playTransition(Score *score) {

case kTransCoverDownLeft: // 30
{
uint16 stepSize = clipRect.width() / t.steps;

for (uint16 i = 1; i < t.steps; i++) {
r.setWidth(stepSize * i);
r.setHeight(stepSize * i);
r.moveTo(clipRect.width() - stepSize * i, 0);
r.setWidth(t.xStepSize * i);
r.setHeight(t.yStepSize * i);
r.moveTo(clipRect.width() - t.xStepSize * i, 0);
r.clip(clipRect);

g_system->delayMillis(t.stepDuration);
Expand All @@ -260,11 +231,9 @@ void Frame::playTransition(Score *score) {

case kTransCoverDownRight: // 31
{
uint16 stepSize = clipRect.width() / t.steps;

for (uint16 i = 1; i < t.steps; i++) {
r.setWidth(stepSize * i);
r.setHeight(stepSize * i);
r.setWidth(t.xStepSize * i);
r.setHeight(t.yStepSize * i);
r.clip(clipRect);

g_system->delayMillis(t.stepDuration);
Expand All @@ -278,11 +247,9 @@ void Frame::playTransition(Score *score) {

case kTransCoverLeft: // 32
{
uint16 stepSize = clipRect.width() / t.steps;

for (uint16 i = 1; i < t.steps; i++) {
r.setWidth(stepSize * i);
r.moveTo(clipRect.width() - stepSize * i, 0);
r.setWidth(t.xStepSize * i);
r.moveTo(clipRect.width() - t.xStepSize * i, 0);
r.clip(clipRect);

g_system->delayMillis(t.stepDuration);
Expand All @@ -296,10 +263,8 @@ void Frame::playTransition(Score *score) {

case kTransCoverRight: // 33
{
uint16 stepSize = clipRect.width() / t.steps;

for (uint16 i = 1; i < t.steps; i++) {
r.setWidth(stepSize * i);
r.setWidth(t.xStepSize * i);
r.clip(clipRect);

g_system->delayMillis(t.stepDuration);
Expand All @@ -313,11 +278,9 @@ void Frame::playTransition(Score *score) {

case kTransCoverUp: // 34
{
uint16 stepSize = clipRect.height() / t.steps;

for (uint16 i = 1; i < t.steps; i++) {
r.setHeight(stepSize * i);
r.moveTo(0, clipRect.height() - stepSize * i);
r.setHeight(t.yStepSize * i);
r.moveTo(0, clipRect.height() - t.yStepSize * i);
r.clip(clipRect);

g_system->delayMillis(t.stepDuration);
Expand All @@ -331,13 +294,10 @@ void Frame::playTransition(Score *score) {

case kTransCoverUpLeft: // 35
{
uint16 xStepSize = clipRect.width() / t.steps;
uint16 yStepSize = clipRect.height() / t.steps;

for (uint16 i = 1; i < t.steps; i++) {
r.setWidth(xStepSize * i);
r.setHeight(yStepSize * i);
r.moveTo(clipRect.width() - xStepSize * i, clipRect.height() - yStepSize * i);
r.setWidth(t.xStepSize * i);
r.setHeight(t.yStepSize * i);
r.moveTo(clipRect.width() - t.xStepSize * i, clipRect.height() - t.yStepSize * i);
r.clip(clipRect);

g_system->delayMillis(t.stepDuration);
Expand All @@ -351,13 +311,10 @@ void Frame::playTransition(Score *score) {

case kTransCoverUpRight: // 36
{
uint16 xStepSize = clipRect.width() / t.steps;
uint16 yStepSize = clipRect.height() / t.steps;

for (uint16 i = 1; i < t.steps; i++) {
r.setWidth(xStepSize * i);
r.setHeight(yStepSize * i);
r.moveTo(0, clipRect.height() - yStepSize * i);
r.setWidth(t.xStepSize * i);
r.setHeight(t.yStepSize * i);
r.moveTo(0, clipRect.height() - t.yStepSize * i);
r.clip(clipRect);

g_system->delayMillis(t.stepDuration);
Expand All @@ -383,23 +340,28 @@ void Frame::playTransition(Score *score) {
}

static void initTransParams(TransParams &t, Score *score, Common::Rect &clipRect) {
if (transProps[t.type].dir == kTransDirHorizontal) {
int w = clipRect.width() / 2;
int w = clipRect.width();
int h = clipRect.height();
int m = MIN(w, h);
TransitionDirection d = transProps[t.type].dir;
TransitionAlgo a = transProps[t.type].algo;

if (a == kTransAlgoCenterOut || a == kTransAlgoEdgesIn) {
w = (w + 1) >> 1; // round up
h = (h + 1) >> 1;
}

t.steps = m / t.chunkSize;
t.stepDuration = t.duration / t.steps;

t.steps = w / t.chunkSize;
if (d == kTransDirHorizontal || d == kTransDirBoth) {
t.xStepSize = w / t.steps;
t.xpos = w % t.steps;
} else if (transProps[t.type].dir == kTransDirVertical) {
int h = clipRect.height() / 2;

t.steps = h / t.chunkSize;
}
if (d == kTransDirVertical || d == kTransDirBoth) {
t.yStepSize = h / t.steps;
t.ypos = h % t.steps;
} else {
t.steps = clipRect.width() / t.chunkSize;
}

t.stepDuration = t.duration / t.steps;
}


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