labelLevel hysteresis now looks at target labelLevel size
This commit is contained in:
nathan
parent
721b9a4a17
commit
319d910e8d
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@ -8,6 +8,33 @@ static float sign(float x) {
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return (x > 0) - (x < 0);
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}
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SDL_Rect AircraftLabel::getFullRect(int labelLevel) {
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SDL_Rect rect = {x,y,0,0};
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SDL_Rect currentRect;
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if(labelLevel < 2) {
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currentRect = speedLabel.getRect();
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rect.w = std::max(rect.w,currentRect.w);
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rect.h += currentRect.h;
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}
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if(labelLevel < 1) {
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currentRect = altitudeLabel.getRect();
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rect.w = std::max(rect.w,currentRect.w);
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rect.h += currentRect.h;
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currentRect = speedLabel.getRect();
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rect.w = std::max(rect.w,currentRect.w);
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rect.h += currentRect.h;
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}
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return rect;
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}
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void AircraftLabel::update() {
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char flight[10] = "";
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snprintf(flight,10," %s", p->flight);
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@ -38,7 +65,60 @@ void AircraftLabel::clearAcceleration() {
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ddy = 0;
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}
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float AircraftLabel::calculateDensity(Aircraft *check_p, int labelLevel) {
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float density_max = 0;
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while(check_p) {
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if(check_p->addr == p->addr) {
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check_p = check_p->next;
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continue;
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}
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if(!check_p->label) {
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check_p = check_p->next;
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continue;
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}
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if(check_p->label->x + check_p->label->w < 0) {
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check_p = check_p->next;
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continue;
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}
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if(check_p->label->y + check_p->label->h < 0) {
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check_p = check_p->next;
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continue;
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}
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if(check_p->label->x > screen_width) {
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check_p = check_p->next;
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continue;
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}
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if(check_p->label->y > screen_height) {
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check_p = check_p->next;
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continue;
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}
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SDL_Rect currentRect = getFullRect(labelLevel);
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float width_proportion = (currentRect.w + check_p->label->w) / fabs(x - check_p->label->x);
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float height_proportion = (currentRect.h + check_p->label->h) / fabs(y - check_p->label->y);
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float density = width_proportion * height_proportion;
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if(density > density_max) {
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density_max = density;
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}
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check_p = check_p -> next;
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}
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return density_max;
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}
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void AircraftLabel::calculateForces(Aircraft *check_p) {
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Aircraft *head = check_p;
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int p_left = x;
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int p_right = x + w;
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int p_top = y;
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@ -60,7 +140,7 @@ void AircraftLabel::calculateForces(Aircraft *check_p) {
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ddy -= sign(offset_y) * attachment_force * (fabs(offset_y) - target_length_y);
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// // //screen edge
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// screen edge
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if(p_left < edge_margin) {
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ddx += boundary_force * (float)(edge_margin - p_left);
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@ -84,7 +164,6 @@ void AircraftLabel::calculateForces(Aircraft *check_p) {
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int count = 0;
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//check against other labels
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float density_max = 0;
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while(check_p) {
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if(check_p->addr == p->addr) {
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@ -97,19 +176,6 @@ void AircraftLabel::calculateForces(Aircraft *check_p) {
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continue;
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}
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//calculate density for label display level (inversely proportional to area of smallest box connecting this to neighbor)
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float density = 1.0 / (0.001f + fabs(x - check_p->label->x) * fabs (x - check_p->label->y));
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if(density > density_max) {
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density_max = density;
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}
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density = 1.0 / (0.001f + fabs(x - check_p->x) * fabs(x - check_p->y));
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if(density > density_max) {
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density_max = density;
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}
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int check_left = check_p->label->x;
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int check_right = check_p->label->x + check_p->label->w;
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int check_top = check_p->label->y;
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@ -161,6 +227,7 @@ void AircraftLabel::calculateForces(Aircraft *check_p) {
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check_p = check_p -> next;
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}
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// float density_max = calculateDensity(head, labelLevel);
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// move away from others
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ddx += density_force * all_x / count;
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@ -168,13 +235,30 @@ void AircraftLabel::calculateForces(Aircraft *check_p) {
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// label drawlevel hysteresis
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float density_mult = 100.0f;
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float level_rate = 0.0005f;
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// float density_mult = 100.0f;
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// float level_rate = 0.0005f;
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if(labelLevel < -1.25f + density_mult * density_max) {
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labelLevel += level_rate;
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} else if (labelLevel > 0.5f + density_mult * density_max) {
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labelLevel -= level_rate;
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// if(labelLevel < -1.25f + density_mult * density_max) {
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// labelLevel += level_rate;
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// } else if (labelLevel > 0.5f + density_mult * density_max) {
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// labelLevel -= level_rate;
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// }
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char buff[100];
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snprintf(buff, sizeof(buff), "%2.2f", labelLevel);
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debugLabel.setText(buff);
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float density_mult = 0.5f;
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float level_rate = 0.001f;
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if(labelLevel < 0.8f * density_mult * calculateDensity(head, labelLevel+1)) {
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if(labelLevel <= 2) {
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labelLevel += level_rate;
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}
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} else if (labelLevel > 1.2f * density_mult * calculateDensity(head, labelLevel)) {
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if(labelLevel >= 0) {
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labelLevel -= level_rate;
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}
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}
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}
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@ -346,7 +430,7 @@ void AircraftLabel::draw(SDL_Renderer *renderer, bool selected) {
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SDL_Color drawColor = style.labelColor;
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drawColor.a = (int) (255.0f * opacity);
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flightLabel.setFGColor(drawColor);
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flightLabel.setColor(drawColor);
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flightLabel.setPosition(x,y);
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flightLabel.draw(renderer);
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// outRect = drawString(flight, x, y, mapBoldFont, drawColor);
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@ -361,7 +445,7 @@ void AircraftLabel::draw(SDL_Renderer *renderer, bool selected) {
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SDL_Color drawColor = style.subLabelColor;
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drawColor.a = (int) (255.0f * opacity);
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altitudeLabel.setFGColor(drawColor);
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altitudeLabel.setColor(drawColor);
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altitudeLabel.setPosition(x,y + totalHeight);
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altitudeLabel.draw(renderer);
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outRect = altitudeLabel.getRect();
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@ -369,7 +453,7 @@ void AircraftLabel::draw(SDL_Renderer *renderer, bool selected) {
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totalWidth = std::max(totalWidth,outRect.w);
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totalHeight += outRect.h;
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speedLabel.setFGColor(drawColor);
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speedLabel.setColor(drawColor);
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speedLabel.setPosition(x,y + totalHeight);
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speedLabel.draw(renderer);
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outRect = speedLabel.getRect();
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@ -379,6 +463,9 @@ void AircraftLabel::draw(SDL_Renderer *renderer, bool selected) {
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}
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debugLabel.setPosition(x,y + totalHeight);
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debugLabel.draw(renderer);
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target_w = totalWidth;
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target_h = totalHeight;
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@ -422,4 +509,5 @@ AircraftLabel::AircraftLabel(Aircraft *p, bool metric, int screen_width, int scr
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flightLabel.setFont(font);
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altitudeLabel.setFont(font);
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speedLabel.setFont(font);
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debugLabel.setFont(font);
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}
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@ -20,14 +20,17 @@ class AircraftLabel {
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AircraftLabel(Aircraft *p, bool metric, int screen_width, int screen_height, TTF_Font *font);
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private:
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SDL_Rect getFullRect(int labelLevel);
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float calculateDensity(Aircraft *check_p, int labelLevel);
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Aircraft *p;
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Label flightLabel;
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Label altitudeLabel;
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Label speedLabel;
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Label debugLabel;
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int labelLevel;
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float labelLevel;
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bool metric;
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26
Label.cpp
26
Label.cpp
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@ -1,7 +1,6 @@
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#include "Label.h"
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#include <string>
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void Label::draw(SDL_Renderer *renderer) {
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SDL_Rect rect = getRect();
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SDL_Texture *texture = SDL_CreateTextureFromSurface(renderer, surface);
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@ -11,20 +10,9 @@ void Label::draw(SDL_Renderer *renderer) {
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void Label::makeSurface() {
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// if(BGColor.a = 0) {
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surface = TTF_RenderUTF8_Solid(font, text.c_str(), FGColor);
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// } else {
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// surface = TTF_RenderUTF8_Shaded(font, text.c_str(), FGColor, BGColor);
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// }
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if (surface == NULL)
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{
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printf("Couldn't create surface for String %s: %s\n", text.c_str(), SDL_GetError());
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}
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surface = TTF_RenderUTF8_Solid(font, text.c_str(), color);
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}
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SDL_Rect Label::getRect() {
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SDL_Rect rect = {0,0,0,0};
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@ -58,16 +46,12 @@ void Label::setFont(TTF_Font *font) {
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this->font = font;
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}
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void Label::setFGColor(SDL_Color color) {
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this->FGColor = color;
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void Label::setColor(SDL_Color color) {
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this->color = color;
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}
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void Label::setBGColor(SDL_Color color) {
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this->BGColor = color;
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}
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//
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Label::Label() {
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BGColor = {0, 0, 0, 0};
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this->color = {255,255,255,255};
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surface = NULL;
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}
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7
Label.h
7
Label.h
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@ -10,8 +10,7 @@ class Label {
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void setText(std::string text);
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void setPosition(int x, int y);
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void setFont(TTF_Font *font);
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void setFGColor(SDL_Color color);
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void setBGColor(SDL_Color color);
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void setColor(SDL_Color color);
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SDL_Rect getRect();
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@ -21,12 +20,10 @@ class Label {
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private:
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void makeSurface();
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std::string text;
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int x;
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int y;
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TTF_Font *font;
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SDL_Color FGColor;
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SDL_Color BGColor;
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SDL_Color color;
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SDL_Surface *surface;
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};
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10
View.cpp
10
View.cpp
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@ -332,13 +332,13 @@ void View::drawStatusBox(int *left, int *top, std::string label, std::string mes
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Label currentLabel;
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currentLabel.setFont(labelFont);
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currentLabel.setFGColor(style.buttonBackground);
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currentLabel.setColor(style.buttonBackground);
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currentLabel.setPosition(*left + labelFontWidth/2, *top);
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currentLabel.setText(label);
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currentLabel.draw(renderer);
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currentLabel.setFont(messageFont);
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currentLabel.setFGColor(color);
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currentLabel.setColor(color);
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currentLabel.setPosition(*left + labelWidth + messageFontWidth/2, *top);
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currentLabel.setText(message);
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currentLabel.draw(renderer);
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@ -565,7 +565,7 @@ void View::drawScaleBars()
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Label currentLabel;
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currentLabel.setFont(mapFont);
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currentLabel.setFGColor(style.scaleBarColor);
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currentLabel.setColor(style.scaleBarColor);
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currentLabel.setPosition(10+scaleBarDist, 15*screen_uiscale);
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currentLabel.setText(scaleLabel);
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currentLabel.draw(renderer);
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@ -673,9 +673,11 @@ void View::drawLinesRecursive(QuadTree *tree, float screen_lat_min, float screen
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void View::drawPlaceNames() {
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//pre-generating labels in map will trade memory for TTF calls - need to compare when there are a lot of labels on screen
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Label currentLabel;
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currentLabel.setFont(mapFont);
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currentLabel.setFGColor(style.geoColor);
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currentLabel.setColor(style.geoColor);
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for(std::vector<MapLabel*>::iterator label = map.mapnames.begin(); label != map.mapnames.end(); ++label) {
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float dx, dy;
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