3 #include "game/camera.h"
4 #include "game/sound_samples.h"
5 #include "game/level_metadata.h"
6 #include "game/level/boxes.h"
7 #include "game/level/level_editor/action_picker.h"
8 #include "game/level/level_editor/color_picker.h"
9 #include "game/level/level_editor/rect_layer.h"
10 #include "game/level/level_editor/point_layer.h"
11 #include "game/level/level_editor/player_layer.h"
12 #include "game/level/level_editor/label_layer.h"
13 #include "game/level/level_editor/background_layer.h"
14 #include "ui/edit_field.h"
15 #include "system/stacktrace.h"
16 #include "system/nth_alloc.h"
17 #include "system/lt.h"
18 #include "system/lt_adapters.h"
19 #include "system/log.h"
20 #include "system/str.h"
23 #include "level_editor.h"
25 #define LEVEL_FOLDER_MAX_LENGTH 512
26 #define LEVEL_LINE_MAX_LENGTH 512
27 #define LEVEL_EDITOR_EDIT_FIELD_SIZE vec(5.0f, 5.0f)
28 #define LEVEL_EDITOR_EDIT_FIELD_COLOR COLOR_BLACK
30 #define LEVEL_EDITOR_NOTICE_SCALE vec(10.0f, 10.0f)
31 #define LEVEL_EDITOR_NOTICE_DURATION 1.0f
32 #define LEVEL_EDITOR_NOTICE_PADDING_TOP 100.0f
34 static int level_editor_dump(LevelEditor *level_editor);
36 // TODO(#994): too much duplicate code between create_level_editor and create_level_editor_from_file
38 LevelEditor *create_level_editor(Cursor *cursor)
41 LevelEditor *level_editor = PUSH_LT(
43 nth_calloc(1, sizeof(LevelEditor)),
45 if (level_editor == NULL) {
48 level_editor->lt = lt;
50 level_editor->edit_field_filename = PUSH_LT(
53 LEVEL_EDITOR_EDIT_FIELD_SIZE,
54 LEVEL_EDITOR_EDIT_FIELD_COLOR),
56 if (level_editor->edit_field_filename == NULL) {
60 level_editor->metadata = PUSH_LT(
62 create_level_metadata("New Level"),
63 destroy_level_metadata);
64 if (level_editor->metadata == NULL) {
68 level_editor->background_layer = create_background_layer(hexstr("fffda5"));
70 level_editor->player_layer =
71 create_player_layer(vec(0.0f, 0.0f), hexstr("ff8080"));
73 level_editor->platforms_layer = PUSH_LT(
75 create_rect_layer("platform", cursor),
77 if (level_editor->platforms_layer == NULL) {
81 level_editor->goals_layer = PUSH_LT(
83 create_point_layer("goal"),
85 if (level_editor->goals_layer == NULL) {
89 level_editor->lava_layer = PUSH_LT(
91 create_rect_layer("lava", cursor),
93 if (level_editor->lava_layer == NULL) {
97 level_editor->back_platforms_layer = PUSH_LT(
99 create_rect_layer("back_platform", cursor),
101 if (level_editor->back_platforms_layer == NULL) {
105 level_editor->boxes_layer = PUSH_LT(
107 create_rect_layer("box", cursor),
109 if (level_editor->boxes_layer == NULL) {
113 level_editor->label_layer = PUSH_LT(
115 create_label_layer("label"),
116 destroy_label_layer);
117 if (level_editor->label_layer == NULL) {
121 level_editor->regions_layer = PUSH_LT(
123 create_rect_layer("region", cursor),
125 if (level_editor->regions_layer == NULL) {
129 level_editor->layers[LAYER_PICKER_BOXES] = rect_layer_as_layer(level_editor->boxes_layer);
130 level_editor->layers[LAYER_PICKER_PLATFORMS] = rect_layer_as_layer(level_editor->platforms_layer);
131 level_editor->layers[LAYER_PICKER_BACK_PLATFORMS] = rect_layer_as_layer(level_editor->back_platforms_layer);
132 level_editor->layers[LAYER_PICKER_GOALS] = point_layer_as_layer(level_editor->goals_layer);
133 level_editor->layers[LAYER_PICKER_PLAYER] = player_layer_as_layer(&level_editor->player_layer);
134 level_editor->layers[LAYER_PICKER_LAVA] = rect_layer_as_layer(level_editor->lava_layer);
135 level_editor->layers[LAYER_PICKER_REGIONS] = rect_layer_as_layer(level_editor->regions_layer);
136 level_editor->layers[LAYER_PICKER_BACKGROUND] = background_layer_as_layer(&level_editor->background_layer);
137 level_editor->layers[LAYER_PICKER_LABELS] = label_layer_as_layer(level_editor->label_layer);
139 level_editor->notice = (FadingWigglyText) {
141 .text = "Level saved",
142 .color = rgba(0.0f, 0.0f, 0.0f, 0.0f),
143 .scale = LEVEL_EDITOR_NOTICE_SCALE
145 .duration = LEVEL_EDITOR_NOTICE_DURATION,
148 level_editor->camera_scale = 1.0f;
153 LevelEditor *create_level_editor_from_file(const char *file_name, Cursor *cursor)
155 trace_assert(file_name);
157 Lt *lt = create_lt();
158 LevelEditor *level_editor = PUSH_LT(
160 nth_calloc(1, sizeof(LevelEditor)),
162 if (level_editor == NULL) {
165 level_editor->lt = lt;
167 level_editor->edit_field_filename = PUSH_LT(
170 LEVEL_EDITOR_EDIT_FIELD_SIZE,
171 LEVEL_EDITOR_EDIT_FIELD_COLOR),
173 if (level_editor->edit_field_filename == NULL) {
177 level_editor->file_name =
180 string_duplicate(file_name, NULL),
183 LineStream *level_stream = PUSH_LT(
188 LEVEL_LINE_MAX_LENGTH),
189 destroy_line_stream);
190 if (level_stream == NULL) {
194 level_editor->metadata = PUSH_LT(
196 create_level_metadata_from_line_stream(level_stream),
197 destroy_level_metadata);
198 if (level_editor->metadata == NULL) {
202 if (background_layer_read_from_line_stream(
203 &level_editor->background_layer,
208 level_editor->player_layer =
209 create_player_layer_from_line_stream(level_stream);
211 level_editor->platforms_layer =
214 create_rect_layer_from_line_stream(level_stream, "platform", cursor),
216 if (level_editor->platforms_layer == NULL) {
220 level_editor->goals_layer = PUSH_LT(
222 create_point_layer_from_line_stream(level_stream, "goal"),
223 destroy_point_layer);
224 if (level_editor->goals_layer == NULL) {
228 level_editor->lava_layer =
231 create_rect_layer_from_line_stream(level_stream, "lava", cursor),
233 if (level_editor->lava_layer == NULL) {
237 level_editor->back_platforms_layer =
240 create_rect_layer_from_line_stream(level_stream, "back_platform", cursor),
242 if (level_editor->back_platforms_layer == NULL) {
246 level_editor->boxes_layer =
249 create_rect_layer_from_line_stream(level_stream, "box", cursor),
251 if (level_editor->boxes_layer == NULL) {
255 level_editor->label_layer =
258 create_label_layer_from_line_stream(level_stream, "label"),
259 destroy_label_layer);
260 if (level_editor->label_layer == NULL) {
264 level_editor->regions_layer =
267 create_rect_layer_from_line_stream(level_stream, "region", cursor),
269 if (level_editor->regions_layer == NULL) {
273 level_editor->layers[LAYER_PICKER_BOXES] = rect_layer_as_layer(level_editor->boxes_layer);
274 level_editor->layers[LAYER_PICKER_PLATFORMS] = rect_layer_as_layer(level_editor->platforms_layer);
275 level_editor->layers[LAYER_PICKER_BACK_PLATFORMS] = rect_layer_as_layer(level_editor->back_platforms_layer);
276 level_editor->layers[LAYER_PICKER_GOALS] = point_layer_as_layer(level_editor->goals_layer);
277 level_editor->layers[LAYER_PICKER_PLAYER] = player_layer_as_layer(&level_editor->player_layer);
278 level_editor->layers[LAYER_PICKER_LAVA] = rect_layer_as_layer(level_editor->lava_layer);
279 level_editor->layers[LAYER_PICKER_REGIONS] = rect_layer_as_layer(level_editor->regions_layer);
280 level_editor->layers[LAYER_PICKER_BACKGROUND] = background_layer_as_layer(&level_editor->background_layer);
281 level_editor->layers[LAYER_PICKER_LABELS] = label_layer_as_layer(level_editor->label_layer);
283 level_editor->drag = false;
285 level_editor->notice = (FadingWigglyText) {
287 .text = "Level saved",
288 .color = rgba(0.0f, 0.0f, 0.0f, 0.0f),
289 .scale = LEVEL_EDITOR_NOTICE_SCALE
291 .duration = LEVEL_EDITOR_NOTICE_DURATION,
294 level_editor->camera_scale = 1.0f;
299 void destroy_level_editor(LevelEditor *level_editor)
301 trace_assert(level_editor);
302 destroy_undo_history(level_editor->undo_history);
303 RETURN_LT0(level_editor->lt);
306 int level_editor_render(const LevelEditor *level_editor,
307 const Camera *camera)
309 trace_assert(level_editor);
310 trace_assert(camera);
312 if (camera_clear_background(camera, color_picker_rgba(&level_editor->background_layer.color_picker)) < 0) {
316 const Rect world_viewport = camera_view_port(camera);
318 if (PLAYER_DEATH_LEVEL < world_viewport.y + world_viewport.h) {
319 if (camera_fill_rect(
322 world_viewport.x, PLAYER_DEATH_LEVEL,
323 world_viewport.w, world_viewport.h + fmaxf(0.0f, world_viewport.y - PLAYER_DEATH_LEVEL)),
324 LEVEL_EDITOR_DETH_LEVEL_COLOR) < 0) {
329 for (size_t i = 0; i < LAYER_PICKER_N; ++i) {
331 level_editor->layers[i],
333 i == level_editor->layer_picker) < 0) {
338 if (layer_picker_render(&level_editor->layer_picker, camera) < 0) {
342 if (level_editor->state == LEVEL_EDITOR_SAVEAS) {
344 const Vec2f size = LEVEL_EDITOR_EDIT_FIELD_SIZE;
345 const char *save_as_text = "Save as: ";
346 const Vec2f position = vec(200.0f, 200.0f);
347 const float save_as_width =
348 (float) strlen(save_as_text) * FONT_CHAR_WIDTH * size.x;
351 if (camera_render_text_screen(
354 LEVEL_EDITOR_EDIT_FIELD_SIZE,
355 LEVEL_EDITOR_EDIT_FIELD_COLOR,
360 if (edit_field_render_screen(
361 level_editor->edit_field_filename,
363 vec(position.x + save_as_width, position.y)) < 0) {
368 const Rect screen_viewport = camera_view_port_screen(camera);
369 const Vec2f text_size = fading_wiggly_text_size(&level_editor->notice);
371 fading_wiggly_text_render(
372 &level_editor->notice, camera,
373 vec(screen_viewport.w * 0.5f - text_size.x * 0.5f,
374 LEVEL_EDITOR_NOTICE_PADDING_TOP));
380 int level_editor_saveas_event(LevelEditor *level_editor,
381 const SDL_Event *event,
382 const Camera *camera)
384 trace_assert(level_editor);
386 trace_assert(camera);
388 switch (event->type) {
390 if (event->key.keysym.sym == SDLK_RETURN) {
391 trace_assert(level_editor->file_name == NULL);
392 char path[LEVEL_FOLDER_MAX_LENGTH];
395 LEVEL_FOLDER_MAX_LENGTH,
396 "./assets/levels//%s.txt",
397 edit_field_as_text(level_editor->edit_field_filename));
398 level_editor->file_name = PUSH_LT(
402 level_editor_dump(level_editor);
404 level_editor->state = LEVEL_EDITOR_IDLE;
410 return edit_field_event(level_editor->edit_field_filename, event);
414 int level_editor_idle_event(LevelEditor *level_editor,
415 const SDL_Event *event,
418 trace_assert(level_editor);
420 trace_assert(camera);
422 switch (event->type) {
424 switch(event->key.keysym.sym) {
426 if (!SDL_IsTextInputActive()) {
427 if (level_editor->file_name) {
428 level_editor_dump(level_editor);
429 log_info("Saving level to `%s`\n", level_editor->file_name);
431 SDL_StartTextInput();
432 level_editor->state = LEVEL_EDITOR_SAVEAS;
438 if (event->key.keysym.mod & KMOD_CTRL) {
439 if (undo_history_empty(&level_editor->undo_history)) {
440 level_editor->bell = 1;
442 undo_history_pop(&level_editor->undo_history);
448 case SDL_MOUSEWHEEL: {
450 SDL_GetMouseState(&x, &y);
452 Vec2f position = camera_map_screen(camera, x, y);
453 if (event->wheel.y > 0) {
454 level_editor->camera_scale += 0.1f;
455 } else if (event->wheel.y < 0) {
456 level_editor->camera_scale = fmaxf(0.1f, level_editor->camera_scale - 0.1f);
458 camera_scale(camera, level_editor->camera_scale);
459 Vec2f zoomed_position = camera_map_screen(camera, x, y);
461 level_editor->camera_position =
463 level_editor->camera_position,
464 vec_sub(position, zoomed_position));
465 camera_center_at(camera, level_editor->camera_position);
468 case SDL_MOUSEBUTTONUP:
469 case SDL_MOUSEBUTTONDOWN: {
470 if (event->type == SDL_MOUSEBUTTONDOWN && event->button.button == SDL_BUTTON_MIDDLE) {
471 level_editor->drag = true;
474 if (event->type == SDL_MOUSEBUTTONUP && event->button.button == SDL_BUTTON_MIDDLE) {
475 level_editor->drag = false;
479 case SDL_MOUSEMOTION: {
480 if (level_editor->drag) {
481 const Vec2f next_position = camera_map_screen(camera, event->motion.x, event->motion.y);
482 const Vec2f prev_position = camera_map_screen(
484 event->motion.x + event->motion.xrel,
485 event->motion.y + event->motion.yrel);
487 vec_add(&level_editor->camera_position,
488 vec_sub(next_position, prev_position));
489 camera_center_at(camera, level_editor->camera_position);
495 bool selected = false;
496 if (layer_picker_event(
497 &level_editor->layer_picker,
506 level_editor->layers[level_editor->layer_picker],
509 &level_editor->undo_history) < 0) {
513 level_editor->click = 1;
520 int level_editor_event(LevelEditor *level_editor,
521 const SDL_Event *event,
524 trace_assert(level_editor);
526 trace_assert(camera);
528 switch (level_editor->state) {
529 case LEVEL_EDITOR_IDLE:
530 return level_editor_idle_event(level_editor, event, camera);
532 case LEVEL_EDITOR_SAVEAS:
533 return level_editor_saveas_event(level_editor, event, camera);
539 int level_editor_focus_camera(LevelEditor *level_editor,
542 camera_center_at(camera, level_editor->camera_position);
543 camera_scale(camera, level_editor->camera_scale);
547 static LayerPicker level_format_layer_order[LAYER_PICKER_N] = {
548 LAYER_PICKER_BACKGROUND,
550 LAYER_PICKER_PLATFORMS,
553 LAYER_PICKER_BACK_PLATFORMS,
559 /* TODO(#904): LevelEditor does not check that the saved level file is modified by external program */
560 static int level_editor_dump(LevelEditor *level_editor)
562 trace_assert(level_editor);
564 FILE *filedump = PUSH_LT(
566 fopen(level_editor->file_name, "w"),
569 if (fprintf(filedump, "%s\n", level_metadata_title(level_editor->metadata)) < 0) {
573 for (size_t i = 0; i < LAYER_PICKER_N; ++i) {
574 if (layer_dump_stream(
575 level_editor->layers[level_format_layer_order[i]],
581 fclose(RELEASE_LT(level_editor->lt, filedump));
583 fading_wiggly_text_reset(&level_editor->notice);
584 level_editor->save = 1;
589 int level_editor_update(LevelEditor *level_editor, float delta_time)
591 return fading_wiggly_text_update(&level_editor->notice, delta_time);
594 void level_editor_sound(LevelEditor *level_editor, Sound_samples *sound_samples)
596 trace_assert(sound_samples);
599 if (level_editor->bell) {
600 level_editor->bell = 0;
601 sound_samples_play_sound(sound_samples, 2);
604 if (level_editor->click) {
605 level_editor->click = 0;
606 sound_samples_play_sound(sound_samples, 3);
609 if (level_editor->save) {
610 level_editor->save = 0;
611 sound_samples_play_sound(sound_samples, 4);