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 "system/line_stream.h"
22 #include "system/log.h"
23 #include "system/lt.h"
24 #include "system/lt/lt_adapters.h"
25 #include "system/nth_alloc.h"
26 #include "system/str.h"
27 #include "game/level/level_editor.h"
29 #define LEVEL_LINE_MAX_LENGTH 512
30 #define LEVEL_GRAVITY 1500.0f
36 const char *file_name;
37 LevelMetadata *metadata;
38 Background *background;
39 RigidBodies *rigid_bodies;
44 Platforms *back_platforms;
50 LevelEditor *level_editor;
53 Level *create_level_from_file(const char *file_name, Broadcast *broadcast)
55 trace_assert(file_name);
57 Lt *const lt = create_lt();
62 Level *const level = PUSH_LT(lt, nth_alloc(sizeof(Level)), free);
68 level->file_name = PUSH_LT(lt, string_duplicate(file_name, NULL), free);
69 if (level->file_name == NULL) {
73 LineStream *level_stream = PUSH_LT(
78 LEVEL_LINE_MAX_LENGTH),
80 if (level_stream == NULL) {
84 level->metadata = PUSH_LT(
86 create_level_metadata_from_line_stream(level_stream),
87 destroy_level_metadata);
88 if (level->metadata == NULL) {
92 level->background = PUSH_LT(
94 create_background_from_line_stream(level_stream),
96 if (level->background == NULL) {
100 level->rigid_bodies = PUSH_LT(lt, create_rigid_bodies(1024), destroy_rigid_bodies);
101 if (level->rigid_bodies == NULL) {
105 level->player = PUSH_LT(
107 create_player_from_line_stream(level_stream, level->rigid_bodies, broadcast),
109 if (level->player == NULL) {
113 level->platforms = PUSH_LT(
115 create_platforms_from_line_stream(level_stream),
117 if (level->platforms == NULL) {
121 level->goals = PUSH_LT(
123 create_goals_from_line_stream(level_stream),
125 if (level->goals == NULL) {
129 level->lava = PUSH_LT(
131 create_lava_from_line_stream(level_stream),
133 if (level->lava == NULL) {
137 level->back_platforms = PUSH_LT(
139 create_platforms_from_line_stream(level_stream),
141 if (level->back_platforms == NULL) {
145 level->boxes = PUSH_LT(
147 create_boxes_from_line_stream(level_stream, level->rigid_bodies),
149 if (level->boxes == NULL) {
153 level->labels = PUSH_LT(
155 create_labels_from_line_stream(level_stream),
157 if (level->labels == NULL) {
161 level->regions = PUSH_LT(
163 create_regions_from_line_stream(level_stream, broadcast),
165 if (level->regions == NULL) {
169 level->edit_mode = false;
170 level->level_editor = PUSH_LT(
172 create_level_editor(),
173 destroy_level_editor);
174 if (level->level_editor == NULL) {
178 destroy_line_stream(RELEASE_LT(lt, level_stream));
183 void destroy_level(Level *level)
186 RETURN_LT0(level->lt);
189 int level_render(const Level *level, Camera *camera)
193 if (background_render(level->background, camera) < 0) {
197 if (platforms_render(level->back_platforms, camera) < 0) {
201 if (player_render(level->player, camera) < 0) {
205 if (boxes_render(level->boxes, camera) < 0) {
209 if (lava_render(level->lava, camera) < 0) {
213 if (platforms_render(level->platforms, camera) < 0) {
217 if (goals_render(level->goals, camera) < 0) {
221 if (labels_render(level->labels, camera) < 0) {
225 if (regions_render(level->regions, camera) < 0) {
229 if (level->edit_mode) {
230 if (level_editor_render(level->level_editor, camera) < 0) {
238 int level_update(Level *level, float delta_time)
241 trace_assert(delta_time > 0);
243 boxes_float_in_lava(level->boxes, level->lava);
244 rigid_bodies_apply_omniforce(level->rigid_bodies, vec(0.0f, LEVEL_GRAVITY));
246 boxes_update(level->boxes, delta_time);
247 player_update(level->player, delta_time);
249 rigid_bodies_collide(level->rigid_bodies, level->platforms);
251 player_hide_goals(level->player, level->goals);
252 player_die_from_lava(level->player, level->lava);
253 regions_player_enter(level->regions, level->player);
254 regions_player_leave(level->regions, level->player);
256 goals_update(level->goals, delta_time);
257 lava_update(level->lava, delta_time);
258 labels_update(level->labels, delta_time);
260 if (level->edit_mode) {
261 level_editor_update(level->level_editor, delta_time);
267 int level_event(Level *level, const SDL_Event *event, const Camera *camera)
272 switch (event->type) {
274 switch (event->key.keysym.sym) {
276 player_jump(level->player);
280 level->edit_mode = !level->edit_mode;
281 SDL_SetRelativeMouseMode(level->edit_mode);
286 case SDL_JOYBUTTONDOWN:
287 if (event->jbutton.button == 1) {
288 player_jump(level->player);
293 if (level->edit_mode) {
294 level_editor_event(level->level_editor, event, camera);
300 int level_input(Level *level,
301 const Uint8 *const keyboard_state,
302 SDL_Joystick *the_stick_of_joy)
305 trace_assert(keyboard_state);
306 (void) the_stick_of_joy;
308 if (keyboard_state[SDL_SCANCODE_A]) {
309 player_move_left(level->player);
310 } else if (keyboard_state[SDL_SCANCODE_D]) {
311 player_move_right(level->player);
312 } else if (the_stick_of_joy && SDL_JoystickGetAxis(the_stick_of_joy, 0) < 0) {
313 player_move_left(level->player);
314 } else if (the_stick_of_joy && SDL_JoystickGetAxis(the_stick_of_joy, 0) > 0) {
315 player_move_right(level->player);
317 player_stop(level->player);
323 int level_reload_preserve_player(Level *level, Broadcast *broadcast)
325 Lt * const lt = create_lt();
330 log_info("Soft-reloading the level from '%s'...\n", level->file_name);
332 /* TODO(#104): duplicate code in create_level_from_file and level_reload_preserve_player */
334 LineStream * const level_stream = PUSH_LT(
339 LEVEL_LINE_MAX_LENGTH),
340 destroy_line_stream);
341 if (level_stream == NULL) {
345 LevelMetadata *const metadata = create_level_metadata_from_line_stream(level_stream);
346 if (metadata == NULL) {
349 level->metadata = RESET_LT(level->lt, level->metadata, metadata);
351 Background * const background = create_background_from_line_stream(level_stream);
352 if (background == NULL) {
355 level->background = RESET_LT(level->lt, level->background, background);
357 Player * const skipped_player = create_player_from_line_stream(level_stream, level->rigid_bodies, broadcast);
358 if (skipped_player == NULL) {
361 destroy_player(skipped_player);
363 Platforms * const platforms = create_platforms_from_line_stream(level_stream);
364 if (platforms == NULL) {
367 level->platforms = RESET_LT(level->lt, level->platforms, platforms);
369 Goals * const goals = create_goals_from_line_stream(level_stream);
373 level->goals = RESET_LT(level->lt, level->goals, goals);
375 Lava * const lava = create_lava_from_line_stream(level_stream);
379 level->lava = RESET_LT(level->lt, level->lava, lava);
381 Platforms * const back_platforms = create_platforms_from_line_stream(level_stream);
382 if (back_platforms == NULL) {
385 level->back_platforms = RESET_LT(level->lt, level->back_platforms, back_platforms);
387 Boxes * const boxes = create_boxes_from_line_stream(level_stream, level->rigid_bodies);
391 level->boxes = RESET_LT(level->lt, level->boxes, boxes);
393 Labels * const labels = create_labels_from_line_stream(level_stream);
394 if (labels == NULL) {
397 level->labels = RESET_LT(level->lt, level->labels, labels);
399 Regions * const regions = create_regions_from_line_stream(level_stream, broadcast);
400 if (regions == NULL) {
403 level->regions = RESET_LT(level->lt, level->regions, regions);
408 int level_sound(Level *level, Sound_samples *sound_samples)
410 if (goals_sound(level->goals, sound_samples) < 0) {
414 if (player_sound(level->player, sound_samples) < 0) {
421 void level_toggle_debug_mode(Level *level)
423 background_toggle_debug_mode(level->background);
426 int level_enter_camera_event(Level *level, Camera *camera)
428 if (!level->edit_mode) {
429 player_focus_camera(level->player, camera);
430 camera_scale(camera, 1.0f);
432 level_editor_focus_camera(
437 goals_cue(level->goals, camera);
438 goals_checkpoint(level->goals, level->player);
439 labels_enter_camera_event(level->labels, camera);
443 struct EvalResult level_send(Level *level, Gc *gc, struct Scope *scope, struct Expr path)
449 const char *target = NULL;
450 struct Expr rest = void_expr();
451 struct EvalResult res = match_list(gc, "q*", path, &target, &rest);
456 if (strcmp(target, "goal") == 0) {
457 return goals_send(level->goals, gc, scope, rest);
458 } else if (strcmp(target, "label") == 0) {
459 return labels_send(level->labels, gc, scope, rest);
460 } else if (strcmp(target, "box") == 0) {
461 return boxes_send(level->boxes, gc, scope, rest);
462 } else if (strcmp(target, "body-push") == 0) {
463 long int id = 0, x = 0, y = 0;
464 res = match_list(gc, "ddd", rest, &id, &x, &y);
469 rigid_bodies_apply_force(level->rigid_bodies, (size_t) id, vec((float) x, (float) y));
471 return eval_success(NIL(gc));
472 } else if (strcmp(target, "edit") == 0) {
473 level->edit_mode = !level->edit_mode;
474 SDL_SetRelativeMouseMode(level->edit_mode);
475 return eval_success(NIL(gc));
478 return unknown_target(gc, "level", target);
481 bool level_edit_mode(const Level *level)
484 return level->edit_mode;