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support controlling by mouse
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@u-an-i
u-an-i committed Oct 6, 2023
1 parent 299a8eb commit 5bd1b87
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Showing 3 changed files with 242 additions and 50 deletions.
290 changes: 241 additions & 49 deletions Globe.c
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Original file line number Diff line number Diff line change
Expand Up @@ -57,12 +57,12 @@ pt at(int x, int y)
long double r2Sqr = rScaleSqr - xC * xC;
if (yC * yC <= r2Sqr)
{
long double p, t;
if (r2Sqr > 0.0L)
{
long double r2Sqrt = sqrtl(r2Sqr);
long double ySpace = r2Sqrt * sinl(asinl(yC / r2Sqrt) - axisTilt);
t = asinl(ySpace / rScale);
long double t = asinl(ySpace / rScale);
long double p;
long double r2ScAT = r2Sqrt * cosl(axisTilt);
long double s = ((axisTilt > 0.0L && -yC > r2ScAT) || (axisTilt < 0.0L && yC > r2ScAT)) ? -1.0L : 1.0L;
long double r3Sqr = rScaleSqr - ySpace * ySpace;
Expand All @@ -82,16 +82,112 @@ pt at(int x, int y)
}
else
{
t = 0.0L;
p = phiLeft;
long double p = phiLeft;
if (xC > 0.0L)
{
p += PI;
}
p = fmodl(p + PIDouble, PIDouble);
pt value;
value.p = p;
value.t = t;
value.t = 0.0L;
return value;
}
}
pt value;
value.p = 0.0L;
value.t = 2.0L;
return value;
}

pt getOffsetsFrom(int x, int y, pt sc) {
int xC = x - centerX;
int yC = y - centerY;
long double r2Sqr = rScaleSqr - xC * xC;
if (yC * yC <= r2Sqr)
{
if (r2Sqr > 0.0L)
{
long double r2Sqrt = sqrtl(r2Sqr);
long double axisTilt = asinl(yC / r2Sqrt) - asin(rScale * sin(sc.t) / r2Sqrt);
long double phiLeft;
long double r2ScAT = r2Sqrt * cosl(axisTilt);
long double s = ((axisTilt > 0.0L && -yC > r2ScAT) || (axisTilt < 0.0L && yC > r2ScAT)) ? -1.0L : 1.0L;
long double ySpace = r2Sqrt * sinl(asinl(yC / r2Sqrt) - axisTilt);
long double r3Sqr = rScaleSqr - ySpace * ySpace;
if (r3Sqr > 0.0L)
{
phiLeft = sc.p - s * acosl(-xC / sqrtl(r3Sqr));
}
else
{
phiLeft = sc.p - s * PIHalf;
}
phiLeft = fmodl(phiLeft + PIDouble, PIDouble);
pt value;
value.p = phiLeft;
value.t = axisTilt;
return value;
}
else {
long double phiLeft = sc.p;
if (xC > 0.0L)
{
phiLeft -= PI;
}
phiLeft = fmodl(phiLeft + PIDouble, PIDouble);
pt value;
value.p = phiLeft;
value.t = 0.0L;
return value;
}
}
pt value;
value.p = 0.0L;
value.t = 2.0L;
return value;
}

pt getOffsetsFromWithRadius(int x, int y, pt sc, long double rScale) {
int xC = x - centerX;
int yC = y - centerY;
long double rScaleSqr = rScale * rScale;
long double r2Sqr = rScaleSqr - xC * xC;
if (yC * yC <= r2Sqr)
{
if (r2Sqr > 0.0L)
{
long double r2Sqrt = sqrtl(r2Sqr);
long double axisTilt = asinl(yC / r2Sqrt) - asin(rScale * sin(sc.t) / r2Sqrt);
long double phiLeft;
long double r2ScAT = r2Sqrt * cosl(axisTilt);
long double s = ((axisTilt > 0.0L && -yC > r2ScAT) || (axisTilt < 0.0L && yC > r2ScAT)) ? -1.0L : 1.0L;
long double ySpace = r2Sqrt * sinl(asinl(yC / r2Sqrt) - axisTilt);
long double r3Sqr = rScaleSqr - ySpace * ySpace;
if (r3Sqr > 0.0L)
{
phiLeft = sc.p - s * acosl(-xC / sqrtl(r3Sqr));
}
else
{
phiLeft = sc.p - s * PIHalf;
}
phiLeft = fmodl(phiLeft + PIDouble, PIDouble);
pt value;
value.p = phiLeft;
value.t = axisTilt;
return value;
}
else {
long double phiLeft = sc.p;
if (xC > 0.0L)
{
phiLeft -= PI;
}
phiLeft = fmodl(phiLeft + PIDouble, PIDouble);
pt value;
value.p = phiLeft;
value.t = 0.0L;
return value;
}
}
Expand Down Expand Up @@ -127,6 +223,7 @@ void determineZoom() {
}
}


const float PIF = 3.141592653589793238462643383279F;
const float PIHalfF = 1.570796326794896619231321691639F;
const float PIDoubleF = 6.28318530717958647692528676655F;
Expand All @@ -150,12 +247,12 @@ ptF atF(int x, int y)
float r2Sqr = rScaleSqrF - xC * xC;
if (yC * yC <= r2Sqr)
{
float p, t;
if (r2Sqr > 0.0F)
{
float r2Sqrt = sqrtf(r2Sqr);
float ySpace = r2Sqrt * sinf(asinf(yC / r2Sqrt) - axisTiltF);
t = asinf(ySpace / rScaleF);
float t = asinf(ySpace / rScaleF);
float p;
float r2ScAT = r2Sqrt * cosf(axisTiltF);
float s = ((axisTiltF > 0.0F && -yC > r2ScAT) || (axisTiltF < 0.0F && yC > r2ScAT)) ? -1.0F : 1.0F;
float r3Sqr = rScaleSqrF - ySpace * ySpace;
Expand All @@ -175,16 +272,15 @@ ptF atF(int x, int y)
}
else
{
t = 0.0F;
p = phiLeftF;
float p = phiLeftF;
if (xC > 0.0F)
{
p += PIF;
}
p = fmodf(p + PIDoubleF, PIDoubleF);
ptF value;
value.p = p;
value.t = t;
value.t = 0.0F;
return value;
}
}
Expand Down Expand Up @@ -1188,6 +1284,7 @@ int main(int argc, char* argv[])
SDL_Quit();
return 0;


SDL_STARTED:
centerX = WIDTH / 2;
centerY = HEIGHT / 2;
Expand Down Expand Up @@ -1470,13 +1567,39 @@ FORMAT_END: ;
long double axisTiltWaiting = axisTilt;
long double rScaleWaiting = rScale;

pt clicked;
int mousedown = 0;
int mouseX = centerX, mouseY = centerY;

int act = 0;

int newWidth, newHeight;
int windowSizeChanged = 0;

int dequeueing = 0;

int nonRequestedExit = 1;

int x, y;
SDL_GetWindowPosition(window, &x, &y);
SDL_WarpMouseGlobal(x + centerX, y + centerY);
INPUT fakeFirstClick[2];
fakeFirstClick[0].type = INPUT_MOUSE;
fakeFirstClick[0].mi.dx = 0;
fakeFirstClick[0].mi.dy = 0;
fakeFirstClick[0].mi.mouseData = 0;
fakeFirstClick[0].mi.dwFlags = MOUSEEVENTF_LEFTDOWN;
fakeFirstClick[0].mi.time = 0;
fakeFirstClick[0].mi.dwExtraInfo = (ULONG_PTR)NULL;
fakeFirstClick[1].type = INPUT_MOUSE;
fakeFirstClick[1].mi.dx = 0;
fakeFirstClick[1].mi.dy = 0;
fakeFirstClick[1].mi.mouseData = 0;
fakeFirstClick[1].mi.dwFlags = MOUSEEVENTF_LEFTUP;
fakeFirstClick[1].mi.time = 0;
fakeFirstClick[1].mi.dwExtraInfo = (ULONG_PTR)NULL;
SendInput(2, fakeFirstClick, sizeof(INPUT));

SDL_Event event;
while (notquitrequested) {
while (SDL_PollEvent(&event)) { // poll until all events are handled!
Expand Down Expand Up @@ -1567,53 +1690,80 @@ FORMAT_END: ;
dir = REFRESH;
break;
}
if (rastered && !dequeueing && notScheduled) {
notScheduled = 0;
if (dontWaitForCollector) {
phiLeft = phiLeftWaiting;
axisTilt = axisTiltWaiting;
axisTiltF = axisTilt;
phiLeftF = phiLeft;
if (rScale != rScaleWaiting) {
rScale = rScaleWaiting;
rScaleSqr = rScale * rScale;
rScaleSqrF = rScaleSqr;
rScaleF = rScale;
determineZoomF();
act = 1;
break;
case SDL_KEYUP:
starttime = event.key.timestamp;
startphi = phiLeft;
starttilt = axisTilt;
break;
case SDL_MOUSEBUTTONDOWN: {
clicked = at(event.button.x, event.button.y);
if (clicked.t != 2.0L) {
pt center = at(centerX, centerY);
phiLeftWaiting = phiLeft + (clicked.p - center.p);
axisTiltWaiting = axisTilt - (clicked.t - center.t);
mousedown = 1;
}
break;
}
case SDL_MOUSEMOTION: {
if (mousedown && !act) {
pt offsets = getOffsetsFrom(event.motion.x, event.motion.y, clicked);
if (offsets.t != 2.0L) {
phiLeftWaiting = offsets.p;
axisTiltWaiting = offsets.t;
if (axisTiltWaiting < -PIHalf) {
axisTiltWaiting = -PIHalf;
} else if (axisTiltWaiting > PIHalf) {
axisTiltWaiting = PIHalf;
}
queued = 0;
for (int i = 0; i < maxThreads; ++i) {
WaitForSingleObject(threadsData[i].hThread, INFINITE);
CloseHandle(threadsData[i].hThread);
threadsData[i].hThread = (HANDLE)_beginthreadex(NULL, 0, zoom < 16 ? rasterF : raster, (void*)&(threadsData[i]), 0, NULL);
if (threadsData[i].hThread == 0) {
notquitrequested = 0;
goto AFTER_LOOP;
}
dir = REFRESH;
act = 1;
}
}
mouseX = event.motion.x;
mouseY = event.motion.y;
break;
}
case SDL_MOUSEBUTTONUP: {
mousedown = 0;
dir = REFRESH;
act = 1;
break;
}
case SDL_MOUSEWHEEL: {
pt target = at(mouseX, mouseY);
if (target.t != 2.0L) {
if ((event.wheel.direction == SDL_MOUSEWHEEL_NORMAL ? 1 : -1) * event.wheel.y > 0) {
rScaleWaiting = rScale * 1.2L;
dir = ZIN;
}
else {
rScaleWaiting = rScale / 1.2L;
if (rScaleWaiting < 64L) {
rScaleWaiting = 64L;
}
if (!collecting) {
doCollecting = 0;
WaitForSingleObject(hCollector, INFINITE);
CloseHandle(hCollector);
doCollecting = 1;
checkingImageRequests = 1;
hCollector = (HANDLE)_beginthreadex(NULL, 0, collector, NULL, 0, NULL);
if (hCollector == 0) {
notquitrequested = 0;
goto AFTER_LOOP;
}
dir = ZOUT;
}
target = getOffsetsFromWithRadius(mouseX, mouseY, target, rScaleWaiting);
if (target.t != 2.0L) {
phiLeftWaiting = target.p;
axisTiltWaiting = target.t;
if (axisTiltWaiting < -PIHalf) {
axisTiltWaiting = -PIHalf;
}
else if (axisTiltWaiting > PIHalf) {
axisTiltWaiting = PIHalf;
}
act = 1;
}
else {
notScheduled = 1;
rScaleWaiting = rScale;
}
}
break;
case SDL_KEYUP:
starttime = event.key.timestamp;
startphi = phiLeft;
starttilt = axisTilt;
break;
}
case SDL_WINDOWEVENT:
if (event.window.windowID == windowID) {
switch (event.window.event) {
Expand All @@ -1630,6 +1780,48 @@ FORMAT_END: ;
default:
break;
}
if (act && rastered && !dequeueing && notScheduled) {
notScheduled = 0;
if (dontWaitForCollector) {
act = 0;
phiLeft = phiLeftWaiting;
axisTilt = axisTiltWaiting;
axisTiltF = axisTilt;
phiLeftF = phiLeft;
if (rScale != rScaleWaiting) {
rScale = rScaleWaiting;
rScaleSqr = rScale * rScale;
rScaleSqrF = rScaleSqr;
rScaleF = rScale;
determineZoomF();
}
queued = 0;
for (int i = 0; i < maxThreads; ++i) {
WaitForSingleObject(threadsData[i].hThread, INFINITE);
CloseHandle(threadsData[i].hThread);
threadsData[i].hThread = (HANDLE)_beginthreadex(NULL, 0, zoom < 16 ? rasterF : raster, (void*)&(threadsData[i]), 0, NULL);
if (threadsData[i].hThread == 0) {
notquitrequested = 0;
goto AFTER_LOOP;
}
}
if (!collecting) {
doCollecting = 0;
WaitForSingleObject(hCollector, INFINITE);
CloseHandle(hCollector);
doCollecting = 1;
checkingImageRequests = 1;
hCollector = (HANDLE)_beginthreadex(NULL, 0, collector, NULL, 0, NULL);
if (hCollector == 0) {
notquitrequested = 0;
goto AFTER_LOOP;
}
}
}
else {
notScheduled = 1;
}
}
}

if (!rastered) {
Expand Down
Binary file modified distributables/Globe.exe
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2 changes: 1 addition & 1 deletion distributables/Readme.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ replace z/x/y map tile identifying url part by ^^,
if required, replace key url part by <<,
save as UTF-8 encoded Unicode text

control globe by W, A, S, D and arrow keys on keyboard
control globe by W, A, S, D and arrow keys on keyboard and your mouse

if zooming closer results in a black image the map service
does not support that zoom level
Expand Down

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