5 #include "system/line_stream.h"
6 #include "system/stacktrace.h"
7 #include "system/nth_alloc.h"
9 #include "system/str.h"
10 #include "system/log.h"
11 #include "math/point.h"
12 #include "label_layer.h"
15 #include "game/camera.h"
16 #include "color_picker.h"
17 #include "ui/edit_field.h"
19 #define LABEL_LAYER_SELECTION_THICCNESS 5.0f
27 // TODO(#963): LabelLayer cannot add the labels
28 // TODO(#964): LabelLayer cannot modify the labels' id
31 LabelLayerState state;
37 ColorPicker color_picker;
39 Edit_field *edit_field;
42 LayerPtr label_layer_as_layer(LabelLayer *label_layer)
51 LabelLayer *create_label_layer(void)
55 LabelLayer *label_layer = PUSH_LT(
56 lt, nth_calloc(1, sizeof(LabelLayer)), free);
57 if (label_layer == NULL) {
62 label_layer->ids = PUSH_LT(
64 create_dynarray(sizeof(char) * LABEL_LAYER_ID_MAX_SIZE),
66 if (label_layer->ids == NULL) {
70 label_layer->positions = PUSH_LT(lt, create_dynarray(sizeof(Point)), destroy_dynarray);
71 if (label_layer->positions == NULL) {
75 label_layer->colors = PUSH_LT(lt, create_dynarray(sizeof(Color)), destroy_dynarray);
76 if (label_layer->colors == NULL) {
80 label_layer->texts = PUSH_LT(
82 create_dynarray(sizeof(char) * LABEL_LAYER_TEXT_MAX_SIZE),
84 if (label_layer->texts == NULL) {
88 label_layer->color_picker = create_color_picker_from_rgba(COLOR_RED);
89 label_layer->selected = -1;
91 label_layer->edit_field = PUSH_LT(
93 create_edit_field(LABELS_SIZE, COLOR_RED),
95 if (label_layer->edit_field == NULL) {
102 LabelLayer *create_label_layer_from_line_stream(LineStream *line_stream)
104 trace_assert(line_stream);
105 LabelLayer *label_layer = create_label_layer();
107 if (label_layer == NULL) {
108 RETURN_LT(label_layer->lt, NULL);
111 const char *line = line_stream_next(line_stream);
113 log_fail("Could not read amount of labels\n");
114 RETURN_LT(label_layer->lt, NULL);
118 if (sscanf(line, "%zu", &n) == EOF) {
119 log_fail("Could not parse amount of labels\n");
120 RETURN_LT(label_layer->lt, NULL);
123 for (size_t i = 0; i < n; ++i) {
125 char id[LABEL_LAYER_ID_MAX_SIZE];
128 line = line_stream_next(line_stream);
130 log_fail("Could not read label meta info\n");
131 RETURN_LT(label_layer->lt, NULL);
136 "%"STRINGIFY(LABEL_LAYER_ID_MAX_SIZE)"s%f%f%6s\n",
137 id, &position.x, &position.y, hex) == EOF) {
138 log_fail("Could not parse label meta info\n");
139 RETURN_LT(label_layer->lt, NULL);
142 Color color = hexstr(hex);
144 dynarray_push(label_layer->ids, id);
145 dynarray_push(label_layer->positions, &position);
146 dynarray_push(label_layer->colors, &color);
148 line = line_stream_next(line_stream);
150 log_fail("Could not read label text\n");
153 char label_text[LABEL_LAYER_TEXT_MAX_SIZE] = {0};
154 memcpy(label_text, line, LABEL_LAYER_TEXT_MAX_SIZE - 1);
155 trim_endline(label_text);
156 dynarray_push(label_layer->texts, &label_text);
162 void destroy_label_layer(LabelLayer *label_layer)
164 trace_assert(label_layer);
165 destroy_lt(label_layer->lt);
168 int label_layer_render(const LabelLayer *label_layer,
172 trace_assert(label_layer);
173 trace_assert(camera);
175 if (active && color_picker_render(&label_layer->color_picker, camera) < 0) {
179 size_t n = dynarray_count(label_layer->ids);
180 Point *positions = dynarray_data(label_layer->positions);
181 Color *colors = dynarray_data(label_layer->colors);
182 char *texts = dynarray_data(label_layer->texts);
184 /* TODO(#891): LabelLayer doesn't show the final position of Label after the animation */
185 for (size_t i = 0; i < n; ++i) {
186 if (label_layer->state == LABEL_LAYER_EDIT_TEXT) {
187 // TODO(#965): LabelLayer Edit Field should be rendered inside of the world
188 if (edit_field_render_screen(
189 label_layer->edit_field,
191 camera_point(camera, positions[i])) < 0) {
195 if (camera_render_text(
197 texts + i * LABEL_LAYER_TEXT_MAX_SIZE,
201 rgba(1.0f, 1.0f, 1.0f, active ? 1.0f : 0.5f)),
208 if (label_layer->selected >= 0) {
214 sprite_font_boundary_box(
216 positions[label_layer->selected],
218 texts + label_layer->selected * LABEL_LAYER_TEXT_MAX_SIZE)),
219 LABEL_LAYER_SELECTION_THICCNESS * 0.5f);
222 if (camera_draw_thicc_rect_screen(
225 colors[label_layer->selected],
226 LABEL_LAYER_SELECTION_THICCNESS) < 0) {
235 int label_layer_element_at(LabelLayer *label_layer,
236 const Sprite_font *font,
239 trace_assert(label_layer);
241 const size_t n = dynarray_count(label_layer->texts);
242 char *texts = dynarray_data(label_layer->texts);
243 Point *positions = dynarray_data(label_layer->positions);
245 for (size_t i = 0; i < n; ++i) {
246 Rect boundary = sprite_font_boundary_box(
250 texts + i * LABEL_LAYER_TEXT_MAX_SIZE);
252 if (rect_contains_point(boundary, position)) {
261 int label_layer_idle_event(LabelLayer *label_layer,
262 const SDL_Event *event,
263 const Camera *camera)
265 trace_assert(label_layer);
267 trace_assert(camera);
269 switch (event->type) {
270 case SDL_MOUSEBUTTONDOWN: {
271 switch (event->button.button) {
272 case SDL_BUTTON_LEFT: {
273 const Point position = camera_map_screen(
278 const int element = label_layer_element_at(
284 Point *positions = dynarray_data(label_layer->positions);
285 Color *colors = dynarray_data(label_layer->colors);
287 label_layer->move_anchor = vec_sub(position, positions[element]);
288 label_layer->selected = element;
289 label_layer->state = LABEL_LAYER_MOVE;
291 label_layer->color_picker =
292 create_color_picker_from_rgba(colors[element]);
299 switch (event->key.keysym.sym) {
301 if (label_layer->selected >= 0) {
302 char *texts = dynarray_data(label_layer->texts);
303 label_layer->state = LABEL_LAYER_EDIT_TEXT;
305 label_layer->edit_field,
306 texts + label_layer->selected * LABEL_LAYER_TEXT_MAX_SIZE);
307 SDL_StartTextInput();
318 int label_layer_move_event(LabelLayer *label_layer,
319 const SDL_Event *event,
320 const Camera *camera)
322 trace_assert(label_layer);
324 trace_assert(camera);
325 trace_assert(label_layer->selected >= 0);
327 switch (event->type) {
328 case SDL_MOUSEMOTION: {
329 Point *positions = dynarray_data(label_layer->positions);
330 positions[label_layer->selected] =
336 label_layer->move_anchor);
339 case SDL_MOUSEBUTTONUP: {
340 switch (event->button.button) {
341 case SDL_BUTTON_LEFT: {
342 label_layer->state = LABEL_LAYER_IDLE;
352 int label_layer_edit_text_event(LabelLayer *label_layer,
353 const SDL_Event *event,
354 const Camera *camera)
356 trace_assert(label_layer);
358 trace_assert(camera);
359 trace_assert(label_layer->selected >= 0);
361 switch (event->type) {
363 if (event->key.keysym.sym == SDLK_RETURN) {
365 (char*)dynarray_data(label_layer->texts) + label_layer->selected * LABEL_LAYER_TEXT_MAX_SIZE;
366 memset(text, 0, LABEL_LAYER_TEXT_MAX_SIZE);
367 memcpy(text, edit_field_as_text(label_layer->edit_field), LABEL_LAYER_TEXT_MAX_SIZE - 1);
368 label_layer->state = LABEL_LAYER_IDLE;
374 return edit_field_event(label_layer->edit_field, event);
377 int label_layer_event(LabelLayer *label_layer,
378 const SDL_Event *event,
379 const Camera *camera)
381 trace_assert(label_layer);
383 trace_assert(camera);
387 if (color_picker_event(
388 &label_layer->color_picker,
394 if (changed && label_layer->selected >= 0) {
395 Color *colors = dynarray_data(label_layer->colors);
396 colors[label_layer->selected] =
397 color_picker_rgba(&label_layer->color_picker);
400 switch (label_layer->state) {
401 case LABEL_LAYER_IDLE:
402 return label_layer_idle_event(label_layer, event, camera);
404 case LABEL_LAYER_MOVE:
405 return label_layer_move_event(label_layer, event, camera);
407 case LABEL_LAYER_EDIT_TEXT:
408 return label_layer_edit_text_event(label_layer, event, camera);
414 size_t label_layer_count(const LabelLayer *label_layer)
416 return dynarray_count(label_layer->ids);
419 char *label_layer_ids(const LabelLayer *label_layer)
421 return dynarray_data(label_layer->ids);
424 Point *label_layer_positions(const LabelLayer *label_layer)
426 return dynarray_data(label_layer->positions);
429 Color *label_layer_colors(const LabelLayer *label_layer)
431 return dynarray_data(label_layer->colors);
434 char *labels_layer_texts(const LabelLayer *label_layer)
436 return dynarray_data(label_layer->texts);
439 int label_layer_dump_stream(const LabelLayer *label_layer, FILE *filedump)
441 trace_assert(label_layer);
442 trace_assert(filedump);
444 size_t n = dynarray_count(label_layer->ids);
445 char *ids = dynarray_data(label_layer->ids);
446 Point *positions = dynarray_data(label_layer->positions);
447 Color *colors = dynarray_data(label_layer->colors);
448 char *texts = dynarray_data(label_layer->texts);
450 fprintf(filedump, "%zd\n", n);
451 for (size_t i = 0; i < n; ++i) {
452 fprintf(filedump, "%s %f %f ",
453 ids + LABEL_LAYER_ID_MAX_SIZE * i,
454 positions[i].x, positions[i].y);
455 color_hex_to_stream(colors[i], filedump);
456 fprintf(filedump, "\n%s\n", texts + i * LABEL_LAYER_TEXT_MAX_SIZE);