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starting to figure out map tiless

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Former-commit-id: 824568134cd998da174616228d656fad5ecf0e61
This commit is contained in:
nathan 2020-06-13 20:03:06 -07:00
parent cd1ce278c1
commit 12f9dda52d
4 changed files with 204 additions and 72 deletions
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5
Map.cpp
View file

@ -171,5 +171,8 @@ Map::Map() {
QTInsert(&root, new Line(currentPoint, nextPoint), 0);
}
}
Map::~Map() {
delete mapPoints;
}

11
Map.h
View file

@ -74,16 +74,19 @@ typedef struct QuadTree{
class Map {
public:
private:
int mapPoints_count;
float *mapPoints;
QuadTree root;
bool QTInsert(QuadTree *tree, Line *line, int depth);
std::vector<Line> getLinesRecursive(QuadTree *tree, float screen_lat_min, float screen_lat_max, float screen_lon_min, float screen_lon_max);
public:
std::vector<Line> getLines(float screen_lat_min, float screen_lat_max, float screen_lon_min, float screen_lon_max);
Map();
int mapPoints_count;
float *mapPoints;
~Map();
};
#endif

144
View.cpp
View file

@ -168,7 +168,7 @@ void View::pxFromLonLat(float *dx, float *dy, float lon, float lat) {
*dy = 6371.0 * (lat - centerLat) * M_PI / 180.0f;
}
void View::latLonFromScreenCoords(float *lat, float *lon, int x, int y) {
void View::lonLatFromScreenCoords(float *lon, float *lat, int x, int y) {
float scale_factor = (screen_width > screen_height) ? screen_width : screen_height;
float dx = maxDist * (x - (screen_width>>1)) / (0.95 * scale_factor * 0.5 );
@ -176,6 +176,22 @@ void View::latLonFromScreenCoords(float *lat, float *lon, int x, int y) {
*lat = 180.0f * dy / (6371.0 * M_PI) + centerLat;
*lon = 180.0 * dx / (cos(((*lat + centerLat)/2.0f) * M_PI / 180.0f) * 6371.0 * M_PI) + centerLon;
// if(*lat < -180.0) {
// *lat = -180.0;
// }
// if(*lat > 180.0) {
// *lat = 180.0;
// }
// if(*lon < -90.0) {
// *lon = -90.0;
// }
// if(*lon > 90.0) {
// *lon = 90.0;
// }
}
@ -671,8 +687,8 @@ void View::drawLines(float screen_lat_min, float screen_lat_max, float screen_lo
void View::drawGeography(int left, int top, int right, int bottom, int bailTime) {
float screen_lat_min, screen_lat_max, screen_lon_min, screen_lon_max;
latLonFromScreenCoords(&screen_lat_min, &screen_lon_min, left, top);
latLonFromScreenCoords(&screen_lat_max, &screen_lon_max, right, bottom);
lonLatFromScreenCoords(&screen_lon_min, &screen_lat_min, left, top);
lonLatFromScreenCoords(&screen_lon_max, &screen_lat_max, right, bottom);
drawLines(screen_lat_min, screen_lat_max, screen_lon_min, screen_lon_max, bailTime);
}
@ -1105,7 +1121,7 @@ void View::animateCenterAbsolute(float x, float y) {
float outLon = dx * (1.0/6371.0) * (180.0f / M_PI) / cos(((centerLat)/2.0f) * M_PI / 180.0f);
//double outLon, outLat;
//latLonFromScreenCoords(&outLat, &outLon, event.tfinger.dx, event.tfinger.dy);
//lonLatFromScreenCoords(&outLat, &outLon, event.tfinger.dx, event.tfinger.dy);
mapTargetLon = centerLon - outLon;
mapTargetLat = centerLat - outLat;
@ -1127,7 +1143,7 @@ void View::moveCenterAbsolute(float x, float y) {
float outLon = dx * (1.0/6371.0) * (180.0f / M_PI) / cos(((centerLat)/2.0f) * M_PI / 180.0f);
//double outLon, outLat;
//latLonFromScreenCoords(&outLat, &outLon, event.tfinger.dx, event.tfinger.dy);
//lonLatFromScreenCoords(&outLat, &outLon, event.tfinger.dx, event.tfinger.dy);
centerLon += outLon;
centerLat += outLat;
@ -1153,7 +1169,7 @@ void View::moveCenterRelative(float dx, float dy) {
float outLon = dx * (1.0/6371.0) * (180.0f / M_PI) / cos(((centerLat)/2.0f) * M_PI / 180.0f);
//double outLon, outLat;
//latLonFromScreenCoords(&outLat, &outLon, event.tfinger.dx, event.tfinger.dy);
//lonLatFromScreenCoords(&outLat, &outLon, event.tfinger.dx, event.tfinger.dy);
centerLon += outLon;
centerLat += outLat;
@ -1282,13 +1298,117 @@ void View::registerMouseMove(int x, int y) {
//
//
void View::drawTiles() {
int x = 0;
int y = 0;
float dx, dy;
int x1, y1, x2, y2;
float downres = 32;
float currentLon, currentLat;
Tile *useTile;
int count = 0;
while(y < screen_height) {
x = 0;
while(x < screen_width) {
//printf("count = %d,y=%d, x=%d\n",count,y,x);
// if(count > 100) {
// return;
// }
// count++;
lonLatFromScreenCoords(&currentLon, &currentLat, x, screen_height - y);
std::vector<Tile>::iterator currentTile = tiles.begin();
for(; currentTile != tiles.end(); ++currentTile) {
if(currentLon >= currentTile->lon_min &&
currentLon < currentTile->lon_max &&
currentLat >= currentTile->lat_min &&
currentLat < currentTile->lat_max) {
// printf("existing\n");
useTile = &(*currentTile);
break;
}
}
if(currentTile == tiles.end()) {
// printf("new\n");
useTile = new Tile;
useTile->lon_min = floor(currentLon * downres) / downres;
useTile->lon_max = ceil(currentLon * downres) / downres;
useTile->lat_min = floor(currentLat * downres) / downres;
useTile->lat_max = ceil(currentLat * downres) / downres;
useTile->texture = SDL_CreateTexture(renderer,
SDL_PIXELFORMAT_ARGB8888,
SDL_TEXTUREACCESS_TARGET,
512, 512);
SDL_SetRenderTarget(renderer, useTile->texture);
// SDL_SetRenderDrawColor(renderer, style.backgroundColor.r, style.backgroundColor.g, style.backgroundColor.b, 255);
SDL_SetRenderDrawColor(renderer, rand()%255,rand()%255,rand()%255,255);
SDL_RenderClear(renderer);
drawGeography(0, 0, screen_width, screen_height, 0);
SDL_SetRenderTarget(renderer, NULL );
tiles.push_back(*useTile);
}
pxFromLonLat(&dx, &dy, useTile->lon_min, useTile->lat_min);
screenCoords(&x1, &y1, dx, dy);
pxFromLonLat(&dx, &dy, useTile->lon_max, useTile->lat_max);
screenCoords(&x2, &y2, dx, dy);
//printf("%d %d %d %d\n",x1,y1,x2,y2);
// boxRGBA(renderer, x1, screen_height - y1, x2, screen_height - y2, rand() %255, rand() % 255, rand()%255, 255);
//rectangleRGBA(renderer, x1, y1, x2, y2,255,0,255,255);
//pixelRGBA(renderer,x,y,255,255,255,255);
//printf("x -> x2, %d %d\n",x,x2);
SDL_Rect dest;
dest.x = x1;
dest.y = y1;
dest.w = x2-x1;
dest.h = y1-y2;
SDL_RenderCopy(renderer, useTile->texture, NULL, &dest);
x = x2 + 1;
}
y = y1 + 1;
//printf("y, %d, screen_height %d\n",y,screen_height);
}
}
void View::draw() {
drawStartTime = now();
moveMapToTarget();
zoomMapToTarget();
//updatePlanes();
for(int i = 0; i < 4; i++) {
resolveLabelConflicts();
}
if(mapRedraw && !mapMoved) {
SDL_SetRenderTarget(renderer, mapTexture);
@ -1308,18 +1428,13 @@ void View::draw() {
currentMaxDist = maxDist;
}
for(int i = 0; i < 4; i++) {
resolveLabelConflicts();
}
int shiftx = 0;
int shifty = 0;
//SDL_SetRenderDrawColor( renderer, 0, 15, 30, 0);
SDL_SetRenderDrawColor(renderer, style.backgroundColor.r, style.backgroundColor.g, style.backgroundColor.b, 255);
SDL_RenderClear(renderer);
int shiftx = 0;
int shifty = 0;
if(mapMoved) {
float dx, dy;
int x1,y1, x2, y2;
@ -1370,6 +1485,7 @@ void View::draw() {
SDL_RenderCopy(renderer, mapTexture, NULL, NULL);
}
drawTiles();
drawScaleBars();
drawPlanes();

116
View.h
View file

@ -41,6 +41,14 @@ typedef struct Style {
SDL_Color buttonColor;
} Style;
typedef struct Tile {
float lat_min;
float lat_max;
float lon_min;
float lon_max;
SDL_Texture *texture;
} Tile;
class View {
@ -68,55 +76,11 @@ class View {
Style style;
public:
int screenDist(float d);
void pxFromLonLat(float *dx, float *dy, float lon, float lat);
void latLonFromScreenCoords(float *lat, float *lon, int x, int y);
void screenCoords(int *outX, int *outY, float dx, float dy);
int outOfBounds(int x, int y);
void drawPlaneOffMap(int x, int y, int *returnx, int *returny, SDL_Color planeColor);
void drawPlaneIcon(int x, int y, float heading, SDL_Color planeColor);
void drawTrail(Aircraft *p);
void drawScaleBars();
void drawLines(float screen_lat_min, float screen_lat_max, float screen_lon_min, float screen_lon_max, int bailTime);
void drawGeography(int left, int top, int right, int bottom, int bailTime);
void drawSignalMarks(Aircraft *p, int x, int y);
void drawPlaneText(Aircraft *p);
void drawSelectedAircraftText(Aircraft *p);
void resolveLabelConflicts();
void drawPlanes();
void animateCenterAbsolute(float x, float y);
void moveCenterAbsolute(float x, float y);
void moveCenterRelative(float dx, float dy);
void zoomMapToTarget();
void moveMapToTarget();
void drawMouse();
void drawClick();
void registerClick(int tapcount, int x, int y);
void registerMouseMove(int x, int y);
void draw();
void SDL_init();
void font_init();
View(AppData *appData);
~View();
////////////////
bool metric;
float maxDist;
float currentMaxDist;
float centerLon;
float centerLat;
float mapTargetMaxDist;
float mapTargetLat;
float mapTargetLon;
int mapMoved;
int mapRedraw;
float currentLon;
float currentLat;
@ -124,15 +88,8 @@ class View {
uint64_t drawStartTime;
Map map;
int screen_upscale;
int screen_uiscale;
int screen_width;
int screen_height;
int screen_depth;
int fullscreen;
int screen_index;
std::vector<Tile> tiles;
SDL_Window *window;
SDL_Renderer *renderer;
SDL_Texture *mapTexture;
@ -150,6 +107,59 @@ class View {
int labelFontHeight;
int messageFontWidth;
int messageFontHeight;
int screenDist(float d);
void pxFromLonLat(float *dx, float *dy, float lon, float lat);
void lonLatFromScreenCoords(float *lon, float *lat, int x, int y);
void screenCoords(int *outX, int *outY, float dx, float dy);
int outOfBounds(int x, int y);
void drawPlaneOffMap(int x, int y, int *returnx, int *returny, SDL_Color planeColor);
void drawPlaneIcon(int x, int y, float heading, SDL_Color planeColor);
void drawTrail(Aircraft *p);
void drawScaleBars();
void drawLines(float screen_lat_min, float screen_lat_max, float screen_lon_min, float screen_lon_max, int bailTime);
void drawGeography(int left, int top, int right, int bottom, int bailTime);
void drawSignalMarks(Aircraft *p, int x, int y);
void drawPlaneText(Aircraft *p);
void drawSelectedAircraftText(Aircraft *p);
void resolveLabelConflicts();
void drawPlanes();
void drawTiles();
void animateCenterAbsolute(float x, float y);
void moveCenterAbsolute(float x, float y);
void zoomMapToTarget();
void moveMapToTarget();
void drawMouse();
void drawClick();
public:
void registerClick(int tapcount, int x, int y);
void registerMouseMove(int x, int y);
void draw();
void SDL_init();
void font_init();
void moveCenterRelative(float dx, float dy);
View(AppData *appData);
~View();
bool metric;
float centerLon;
float centerLat;
float maxDist;
int mapMoved;
float mapTargetMaxDist;
int screen_upscale;
int screen_uiscale;
int screen_width;
int screen_height;
int screen_depth;
int fullscreen;
int screen_index;
};
#endif