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reenabled map texture shift reuse for improved speed. Added logic to redraw during big animated zooms or shifts

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Former-commit-id: e135b9e4f4a0537a2de90c81a0f7ec8c6896f8fa
This commit is contained in:
nathan 2020-06-16 14:40:03 -07:00
parent 626a8fafbd
commit e198fffbd3
2 changed files with 56 additions and 47 deletions
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98
View.cpp
View file

@ -771,10 +771,6 @@ void View::drawPlaneText(Aircraft *p) {
float pressure_scale = 2.0f; //this should be set by a UI slider eventually
if(elapsed(p->msSeenLatLon) < 500) {
circleRGBA(renderer, p->cx, p->cy, elapsed(p->msSeenLatLon) * screen_width / (8192), 255,255, 255, 64 - (uint8_t)(64.0 * elapsed(p->msSeenLatLon) / 500.0));
}
if(p->pressure * screen_width < pressure_scale) {
drawSignalMarks(p, p->x, p->y);
@ -1175,6 +1171,11 @@ void View::drawPlanes() {
}
if(p != selectedAircraft) {
//show latlon ping
if(elapsed(p->msSeenLatLon) < 500) {
circleRGBA(renderer, p->cx, p->cy, elapsed(p->msSeenLatLon) * screen_width / (8192), 127,127, 127, 255 - (uint8_t)(255.0 * elapsed(p->msSeenLatLon) / 500.0));
}
drawPlaneText(p);
}
@ -1261,6 +1262,8 @@ void View::zoomMapToTarget() {
if(mapTargetMaxDist) {
if(fabs(mapTargetMaxDist - maxDist) > 0.0001) {
maxDist += 0.1 * (mapTargetMaxDist - maxDist);
mapAnimating = 1;
mapMoved = 1;
} else {
mapTargetMaxDist = 0;
}
@ -1273,6 +1276,7 @@ void View::moveMapToTarget() {
centerLon += 0.1 * (mapTargetLon- centerLon);
centerLat += 0.1 * (mapTargetLat - centerLat);
mapAnimating = 1;
mapMoved = 1;
} else {
mapTargetLon = 0;
@ -1390,8 +1394,7 @@ void View::draw() {
lineCount = 0;
if(mapMoved) {
//if(mapRedraw && !mapMoved) {
if((mapRedraw && !mapMoved) || (mapAnimating && elapsed(lastRedraw) > 8 * FRAMETIME)) {
SDL_SetRenderTarget(renderer, mapTexture);
@ -1403,7 +1406,11 @@ void View::draw() {
SDL_SetRenderTarget(renderer, NULL );
mapMoved = 0;
mapRedraw = 0;
mapAnimating = 0;
lastRedraw = now();
currentLon = centerLon;
currentLat = centerLat;
@ -1419,58 +1426,57 @@ void View::draw() {
SDL_RenderClear(renderer);
// int shiftx = 0;
// int shifty = 0;
int shiftx = 0;
int shifty = 0;
// if(mapMoved) {
// float dx, dy;
// int x1,y1, x2, y2;
// pxFromLonLat(&dx, &dy, currentLon, currentLat);
// screenCoords(&x1, &y1, dx, dy);
// pxFromLonLat(&dx, &dy, centerLon, centerLat);
// screenCoords(&x2, &y2, dx, dy);
if(mapMoved) {
float dx, dy;
int x1,y1, x2, y2;
pxFromLonLat(&dx, &dy, currentLon, currentLat);
screenCoords(&x1, &y1, dx, dy);
pxFromLonLat(&dx, &dy, centerLon, centerLat);
screenCoords(&x2, &y2, dx, dy);
// shiftx = x1-x2;
// shifty = y1-y2;
shiftx = x1-x2;
shifty = y1-y2;
// mapRedraw = 1;
SDL_Rect dest;
// SDL_Rect dest;
dest.x = shiftx + (screen_width / 2) * (1 - currentMaxDist / maxDist);
dest.y = shifty + (screen_height / 2) * (1 - currentMaxDist / maxDist);
dest.w = screen_width * currentMaxDist / maxDist;
dest.h = screen_height * currentMaxDist / maxDist;
// dest.x = shiftx + (screen_width / 2) * (1 - currentMaxDist / maxDist);
// dest.y = shifty + (screen_height / 2) * (1 - currentMaxDist / maxDist);
// dest.w = screen_width * currentMaxDist / maxDist;
// dest.h = screen_height * currentMaxDist / maxDist;
//left
if(dest.x > 0) {
drawGeography(0, 0, dest.x, screen_height, FRAMETIME / 4);
}
// //left
// if(dest.x > 0) {
// drawGeography(0, 0, dest.x, screen_height, FRAMETIME / 4);
// }
//top
if(dest.y > 0) {
drawGeography(0, screen_height - dest.y, screen_width, screen_height, FRAMETIME / 4);
}
// //top
// if(dest.y > 0) {
// drawGeography(0, screen_height - dest.y, screen_width, screen_height, FRAMETIME / 4);
// }
//right
if(dest.x + dest.w < screen_width) {
drawGeography(dest.x + dest.w, 0, screen_width, screen_height, FRAMETIME / 4);
}
// //right
// if(dest.x + dest.w < screen_width) {
// drawGeography(dest.x + dest.w, 0, screen_width, screen_height, FRAMETIME / 4);
// }
//bottom
if(dest.y + dest.h < screen_height) {
drawGeography(0, 0, screen_width, screen_height - dest.y - dest.h, FRAMETIME / 4);
}
// //bottom
// if(dest.y + dest.h < screen_height) {
// drawGeography(0, 0, screen_width, screen_height - dest.y - dest.h, FRAMETIME / 4);
// }
//attempt rest before bailing
//drawGeography(dest.x, screen_height - dest.y, dest.x + dest.w, screen_height - dest.y - dest.h, 1);
// //attempt rest before bailing
// //drawGeography(dest.x, screen_height - dest.y, dest.x + dest.w, screen_height - dest.y - dest.h, 1);
SDL_RenderCopy(renderer, mapTexture, NULL, &dest);
// SDL_RenderCopy(renderer, mapTexture, NULL, &dest);
// mapMoved = 0;
// } else {
mapRedraw = 1;
mapMoved = 0;
} else {
SDL_RenderCopy(renderer, mapTexture, NULL, NULL);
//}
}
drawScaleBars();

3
View.h
View file

@ -130,10 +130,13 @@ class View {
int mapMoved;
int mapRedraw;
int mapAnimating;
float currentLon;
float currentLat;
std::chrono::high_resolution_clock::time_point lastFrameTime;
std::chrono::high_resolution_clock::time_point drawStartTime;
std::chrono::high_resolution_clock::time_point lastRedraw;
Map map;