2 #include "system/stacktrace.h"
6 #include "ebisp/builtins.h"
7 #include "ebisp/interpreter.h"
8 #include "game/camera.h"
9 #include "game/level.h"
10 #include "game/level/background.h"
11 #include "game/level/boxes.h"
12 #include "game/level/goals.h"
13 #include "game/level/labels.h"
14 #include "game/level/lava.h"
15 #include "game/level/platforms.h"
16 #include "game/level/player.h"
17 #include "game/level/regions.h"
18 #include "game/level/rigid_bodies.h"
19 #include "game/level_metadata.h"
20 #include "game/level/level_editor/proto_rect.h"
21 #include "game/level/level_editor/layer.h"
22 #include "system/line_stream.h"
23 #include "system/log.h"
24 #include "system/lt.h"
25 #include "system/lt/lt_adapters.h"
26 #include "system/nth_alloc.h"
27 #include "system/str.h"
28 #include "game/level/level_editor.h"
30 #define LEVEL_LINE_MAX_LENGTH 512
31 #define LEVEL_GRAVITY 1500.0f
37 const char *file_name;
38 LevelMetadata *metadata;
39 // TODO(#812): LevelEditor does not support Background
40 Background *background;
41 RigidBodies *rigid_bodies;
42 // TODO(#813): LevelEditor does not support Player
44 // TODO(#814): LevelEditor does not support Platforms
46 // TODO(#815): LevelEditor does not support Goals
48 // TODO(#816): LevelEditor does not support Lava
50 // TODO: LevelEditor does not support Back Platfrosm
51 Platforms *back_platforms;
53 // TODO: LevelEditor does not support Labels
55 // TODO: LevelEditor does not support Regions
59 // TODO(#809): LevelEditor doesn't capture the initial state of the level loaded from a file
60 LevelEditor *level_editor;
63 Level *create_level_from_file(const char *file_name, Broadcast *broadcast)
65 trace_assert(file_name);
67 Lt *const lt = create_lt();
72 Level *const level = PUSH_LT(lt, nth_alloc(sizeof(Level)), free);
78 level->file_name = PUSH_LT(lt, string_duplicate(file_name, NULL), free);
79 if (level->file_name == NULL) {
83 LineStream *level_stream = PUSH_LT(
88 LEVEL_LINE_MAX_LENGTH),
90 if (level_stream == NULL) {
94 level->metadata = PUSH_LT(
96 create_level_metadata_from_line_stream(level_stream),
97 destroy_level_metadata);
98 if (level->metadata == NULL) {
102 level->background = PUSH_LT(
104 create_background_from_line_stream(level_stream),
106 if (level->background == NULL) {
110 level->rigid_bodies = PUSH_LT(lt, create_rigid_bodies(1024), destroy_rigid_bodies);
111 if (level->rigid_bodies == NULL) {
115 level->player = PUSH_LT(
117 create_player_from_line_stream(level_stream, level->rigid_bodies, broadcast),
119 if (level->player == NULL) {
123 level->platforms = PUSH_LT(
125 create_platforms_from_line_stream(level_stream),
127 if (level->platforms == NULL) {
131 level->goals = PUSH_LT(
133 create_goals_from_line_stream(level_stream),
135 if (level->goals == NULL) {
139 level->lava = PUSH_LT(
141 create_lava_from_line_stream(level_stream),
143 if (level->lava == NULL) {
147 level->back_platforms = PUSH_LT(
149 create_platforms_from_line_stream(level_stream),
151 if (level->back_platforms == NULL) {
155 Layer *boxes_layer = create_layer_from_line_stream(level_stream);
156 if (boxes_layer == NULL) {
160 level->boxes = PUSH_LT(
162 create_boxes_from_layer(boxes_layer, level->rigid_bodies),
164 if (level->boxes == NULL) {
168 level->labels = PUSH_LT(
170 create_labels_from_line_stream(level_stream),
172 if (level->labels == NULL) {
176 level->regions = PUSH_LT(
178 create_regions_from_line_stream(level_stream, broadcast),
180 if (level->regions == NULL) {
184 level->edit_mode = false;
185 level->level_editor = PUSH_LT(
187 create_level_editor(boxes_layer),
188 destroy_level_editor);
189 if (level->level_editor == NULL) {
193 destroy_line_stream(RELEASE_LT(lt, level_stream));
198 void destroy_level(Level *level)
201 RETURN_LT0(level->lt);
204 int level_render(const Level *level, Camera *camera)
208 if (background_render(level->background, camera) < 0) {
212 if (platforms_render(level->back_platforms, camera) < 0) {
216 if (player_render(level->player, camera) < 0) {
220 if (boxes_render(level->boxes, camera) < 0) {
224 if (lava_render(level->lava, camera) < 0) {
228 if (platforms_render(level->platforms, camera) < 0) {
232 if (goals_render(level->goals, camera) < 0) {
236 if (labels_render(level->labels, camera) < 0) {
240 if (regions_render(level->regions, camera) < 0) {
244 if (level->edit_mode) {
245 if (level_editor_render(level->level_editor, camera) < 0) {
253 int level_update(Level *level, float delta_time)
256 trace_assert(delta_time > 0);
258 boxes_float_in_lava(level->boxes, level->lava);
259 rigid_bodies_apply_omniforce(level->rigid_bodies, vec(0.0f, LEVEL_GRAVITY));
261 boxes_update(level->boxes, delta_time);
262 player_update(level->player, delta_time);
264 rigid_bodies_collide(level->rigid_bodies, level->platforms);
266 player_hide_goals(level->player, level->goals);
267 player_die_from_lava(level->player, level->lava);
268 regions_player_enter(level->regions, level->player);
269 regions_player_leave(level->regions, level->player);
271 goals_update(level->goals, delta_time);
272 lava_update(level->lava, delta_time);
273 labels_update(level->labels, delta_time);
275 if (level->edit_mode) {
276 level_editor_update(level->level_editor, delta_time);
282 int level_event(Level *level, const SDL_Event *event, const Camera *camera)
287 switch (event->type) {
289 switch (event->key.keysym.sym) {
291 player_jump(level->player);
295 level->edit_mode = !level->edit_mode;
296 SDL_SetRelativeMouseMode(level->edit_mode);
297 if (!level->edit_mode) {
298 level->boxes = RESET_LT(
301 create_boxes_from_layer(
302 level_editor_boxes(level->level_editor),
303 level->rigid_bodies));
304 if (level->boxes == NULL) {
312 case SDL_JOYBUTTONDOWN:
313 if (event->jbutton.button == 1) {
314 player_jump(level->player);
319 if (level->edit_mode) {
320 level_editor_event(level->level_editor, event, camera);
326 int level_input(Level *level,
327 const Uint8 *const keyboard_state,
328 SDL_Joystick *the_stick_of_joy)
331 trace_assert(keyboard_state);
332 (void) the_stick_of_joy;
334 if (keyboard_state[SDL_SCANCODE_A]) {
335 player_move_left(level->player);
336 } else if (keyboard_state[SDL_SCANCODE_D]) {
337 player_move_right(level->player);
338 } else if (the_stick_of_joy && SDL_JoystickGetAxis(the_stick_of_joy, 0) < 0) {
339 player_move_left(level->player);
340 } else if (the_stick_of_joy && SDL_JoystickGetAxis(the_stick_of_joy, 0) > 0) {
341 player_move_right(level->player);
343 player_stop(level->player);
349 int level_reload_preserve_player(Level *level, Broadcast *broadcast)
351 Lt * const lt = create_lt();
356 log_info("Soft-reloading the level from '%s'...\n", level->file_name);
358 /* TODO(#104): duplicate code in create_level_from_file and level_reload_preserve_player */
360 LineStream * const level_stream = PUSH_LT(
365 LEVEL_LINE_MAX_LENGTH),
366 destroy_line_stream);
367 if (level_stream == NULL) {
371 LevelMetadata *const metadata = create_level_metadata_from_line_stream(level_stream);
372 if (metadata == NULL) {
375 level->metadata = RESET_LT(level->lt, level->metadata, metadata);
377 Background * const background = create_background_from_line_stream(level_stream);
378 if (background == NULL) {
381 level->background = RESET_LT(level->lt, level->background, background);
383 Player * const skipped_player = create_player_from_line_stream(level_stream, level->rigid_bodies, broadcast);
384 if (skipped_player == NULL) {
387 destroy_player(skipped_player);
389 Platforms * const platforms = create_platforms_from_line_stream(level_stream);
390 if (platforms == NULL) {
393 level->platforms = RESET_LT(level->lt, level->platforms, platforms);
395 Goals * const goals = create_goals_from_line_stream(level_stream);
399 level->goals = RESET_LT(level->lt, level->goals, goals);
401 Lava * const lava = create_lava_from_line_stream(level_stream);
405 level->lava = RESET_LT(level->lt, level->lava, lava);
407 Platforms * const back_platforms = create_platforms_from_line_stream(level_stream);
408 if (back_platforms == NULL) {
411 level->back_platforms = RESET_LT(level->lt, level->back_platforms, back_platforms);
413 Layer * const boxes_layer = create_layer_from_line_stream(level_stream);
414 if (boxes_layer == NULL) {
418 Boxes * const boxes = create_boxes_from_layer(boxes_layer, level->rigid_bodies);
422 level->boxes = RESET_LT(level->lt, level->boxes, boxes);
424 Labels * const labels = create_labels_from_line_stream(level_stream);
425 if (labels == NULL) {
428 level->labels = RESET_LT(level->lt, level->labels, labels);
430 Regions * const regions = create_regions_from_line_stream(level_stream, broadcast);
431 if (regions == NULL) {
434 level->regions = RESET_LT(level->lt, level->regions, regions);
436 LevelEditor * const level_editor = create_level_editor(boxes_layer);
437 if (level_editor == NULL) {
440 level->level_editor = RESET_LT(level->lt, level->level_editor, level_editor);
445 int level_sound(Level *level, Sound_samples *sound_samples)
447 if (goals_sound(level->goals, sound_samples) < 0) {
451 if (player_sound(level->player, sound_samples) < 0) {
458 void level_toggle_debug_mode(Level *level)
460 background_toggle_debug_mode(level->background);
463 int level_enter_camera_event(Level *level, Camera *camera)
465 if (!level->edit_mode) {
466 player_focus_camera(level->player, camera);
467 camera_scale(camera, 1.0f);
469 level_editor_focus_camera(
474 goals_cue(level->goals, camera);
475 goals_checkpoint(level->goals, level->player);
476 labels_enter_camera_event(level->labels, camera);
480 struct EvalResult level_send(Level *level, Gc *gc, struct Scope *scope, struct Expr path)
486 const char *target = NULL;
487 struct Expr rest = void_expr();
488 struct EvalResult res = match_list(gc, "q*", path, &target, &rest);
493 if (strcmp(target, "goal") == 0) {
494 return goals_send(level->goals, gc, scope, rest);
495 } else if (strcmp(target, "label") == 0) {
496 return labels_send(level->labels, gc, scope, rest);
497 } else if (strcmp(target, "box") == 0) {
498 return boxes_send(level->boxes, gc, scope, rest);
499 } else if (strcmp(target, "body-push") == 0) {
500 long int id = 0, x = 0, y = 0;
501 res = match_list(gc, "ddd", rest, &id, &x, &y);
506 rigid_bodies_apply_force(level->rigid_bodies, (size_t) id, vec((float) x, (float) y));
508 return eval_success(NIL(gc));
509 } else if (strcmp(target, "edit") == 0) {
510 level->edit_mode = !level->edit_mode;
511 SDL_SetRelativeMouseMode(level->edit_mode);
512 return eval_success(NIL(gc));
515 return unknown_target(gc, "level", target);
518 bool level_edit_mode(const Level *level)
521 return level->edit_mode;