+#include <SDL.h>
+#include "system/stacktrace.h"
#include <stdio.h>
-#include <assert.h>
-#include <SDL2/SDL.h>
-#include "./player.h"
-#include "./platforms.h"
-#include "./camera.h"
-#include "./game.h"
-#include "./error.h"
-#include "./lt.h"
-
-typedef enum game_state_t {
+#include "game.h"
+#include "game/level.h"
+#include "game/sound_samples.h"
+#include "game/level_picker.h"
+#include "system/log.h"
+#include "system/lt.h"
+#include "system/nth_alloc.h"
+#include "ui/console.h"
+#include "ui/edit_field.h"
+#include "system/str.h"
+#include "ebisp/builtins.h"
+#include "broadcast.h"
+#include "sdl/texture.h"
+#include "game/level/level_editor.h"
+
+static int game_render_cursor(const Game *game);
+
+typedef enum Game_state {
GAME_STATE_RUNNING = 0,
GAME_STATE_PAUSE,
- GAME_STATE_QUIT,
-
- GAME_STATE_N
-} game_state_t;
+ GAME_STATE_CONSOLE,
+ GAME_STATE_LEVEL_PICKER,
+ GAME_STATE_LEVEL_EDITOR,
+ GAME_STATE_QUIT
+} Game_state;
+
+typedef struct Game {
+ Lt *lt;
+
+ Game_state state;
+ Broadcast *broadcast;
+ Sprite_font *font;
+ LevelPicker *level_picker;
+ LevelEditor *level_editor;
+ Level *level;
+ Sound_samples *sound_samples;
+ Camera *camera;
+ Console *console;
+ SDL_Renderer *renderer;
+ SDL_Texture *texture_cursor;
+ int cursor_x;
+ int cursor_y;
+} Game;
+
+Game *create_game(const char *level_folder,
+ const char *sound_sample_files[],
+ size_t sound_sample_files_count,
+ SDL_Renderer *renderer)
+{
+ trace_assert(level_folder);
-typedef struct game_t {
- lt_t *lt;
+ Lt *lt = create_lt();
- game_state_t state;
- player_t *player;
- platforms_t *platforms;
- camera_t *camera;
- char *level_file_path;
-} game_t;
+ Game *game = PUSH_LT(lt, nth_calloc(1, sizeof(Game)), free);
+ if (game == NULL) {
+ RETURN_LT(lt, NULL);
+ }
+ game->lt = lt;
-game_t *create_game(const char *level_file_path)
-{
- assert(level_file_path);
+ game->state = GAME_STATE_LEVEL_PICKER;
- lt_t *const lt = create_lt();
- if (lt == NULL) {
- return NULL;
+ game->broadcast = PUSH_LT(
+ lt,
+ create_broadcast(game),
+ destroy_broadcast);
+ if (game->broadcast == NULL) {
+ RETURN_LT(lt, NULL);
}
- game_t *game = PUSH_LT(lt, malloc(sizeof(game_t)), free);
- if (game == NULL) {
- throw_error(ERROR_TYPE_LIBC);
+ game->font = PUSH_LT(
+ lt,
+ create_sprite_font_from_file(
+ "images/charmap-oldschool.bmp",
+ renderer),
+ destroy_sprite_font);
+ if (game->font == NULL) {
RETURN_LT(lt, NULL);
}
- game->player = PUSH_LT(lt, create_player(100.0f, 0.0f), destroy_player);
- if (game->player == NULL) {
+ game->level_picker = PUSH_LT(
+ lt,
+ create_level_picker(
+ game->font,
+ level_folder),
+ destroy_level_picker);
+ if (game->level_picker == NULL) {
RETURN_LT(lt, NULL);
}
- game->platforms = PUSH_LT(lt, load_platforms_from_file(level_file_path), destroy_platforms);
- if (game->platforms == NULL) {
+ game->sound_samples = PUSH_LT(
+ lt,
+ create_sound_samples(
+ sound_sample_files,
+ sound_sample_files_count),
+ destroy_sound_samples);
+ if (game->sound_samples == NULL) {
RETURN_LT(lt, NULL);
}
- game->camera = PUSH_LT(lt, create_camera(vec(0.0f, 0.0f)), destroy_camera);
+ game->camera = PUSH_LT(
+ lt,
+ create_camera(renderer, game->font),
+ destroy_camera);
if (game->camera == NULL) {
RETURN_LT(lt, NULL);
}
- game->level_file_path = PUSH_LT(lt, malloc(sizeof(char) * (strlen(level_file_path) + 1)), free);
- if (game->level_file_path == NULL) {
- throw_error(ERROR_TYPE_LIBC);
+ game->console = PUSH_LT(
+ lt,
+ create_console(game->broadcast, game->font),
+ destroy_console);
+ if (game->console == NULL) {
RETURN_LT(lt, NULL);
}
- strcpy(game->level_file_path, level_file_path);
-
- game->state = GAME_STATE_RUNNING;
- game->lt = lt;
+ game->renderer = renderer;
+ game->texture_cursor = PUSH_LT(
+ lt,
+ texture_from_bmp("images/cursor.bmp", renderer),
+ SDL_DestroyTexture);
+ if (SDL_SetTextureBlendMode(
+ game->texture_cursor,
+ SDL_ComposeCustomBlendMode(
+ SDL_BLENDFACTOR_ONE_MINUS_DST_COLOR,
+ SDL_BLENDFACTOR_ONE_MINUS_SRC_COLOR,
+ SDL_BLENDOPERATION_ADD,
+ SDL_BLENDFACTOR_ONE,
+ SDL_BLENDFACTOR_ZERO,
+ SDL_BLENDOPERATION_ADD)) < 0) {
+ log_warn("SDL error: %s\n", SDL_GetError());
+ }
+ game->cursor_x = 0;
+ game->cursor_y = 0;
return game;
}
-void destroy_game(game_t *game)
+void destroy_game(Game *game)
{
- assert(game);
+ trace_assert(game);
RETURN_LT0(game->lt);
}
-int game_render(const game_t *game, SDL_Renderer *renderer)
+int game_render(const Game *game)
{
- assert(game);
- assert(renderer);
+ trace_assert(game);
- if (game->state == GAME_STATE_QUIT) {
- return 0;
- }
+ switch(game->state) {
+ case GAME_STATE_RUNNING:
+ case GAME_STATE_PAUSE: {
+ if (level_render(game->level, game->camera) < 0) {
+ return -1;
+ }
+ } break;
- if (SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255) < 0) {
- throw_error(ERROR_TYPE_SDL2);
- return -1;
- }
+ case GAME_STATE_CONSOLE: {
+ if (level_render(game->level, game->camera) < 0) {
+ return -1;
+ }
- if (SDL_RenderClear(renderer) < 0) {
- throw_error(ERROR_TYPE_SDL2);
- return -1;
- }
+ if (console_render(game->console, game->camera, game->renderer) < 0) {
+ return -1;
+ }
+ } break;
- if (render_player(game->player, renderer, game->camera) < 0) {
- return -1;
- }
+ case GAME_STATE_LEVEL_PICKER: {
+ if (level_picker_render(game->level_picker, game->camera, game->renderer) < 0) {
+ return -1;
+ }
- if (render_platforms(game->platforms, renderer, game->camera) < 0) {
- return -1;
- }
+ if (game_render_cursor(game) < 0) {
+ return -1;
+ }
+ } break;
- SDL_RenderPresent(renderer);
+ case GAME_STATE_LEVEL_EDITOR: {
+ if (level_editor_render(game->level_editor, game->camera) < 0) {
+ return -1;
+ }
+
+ if (game_render_cursor(game) < 0) {
+ return -1;
+ }
+ } break;
+
+ case GAME_STATE_QUIT: break;
+ }
return 0;
}
-int game_update(game_t *game, Uint32 delta_time)
+int game_sound(Game *game)
{
- assert(game);
- assert(delta_time > 0);
-
- if (game->state == GAME_STATE_QUIT) {
+ switch (game->state) {
+ case GAME_STATE_RUNNING:
+ case GAME_STATE_PAUSE:
+ case GAME_STATE_CONSOLE:
+ return level_sound(game->level, game->sound_samples);
+ case GAME_STATE_LEVEL_PICKER:
+ case GAME_STATE_LEVEL_EDITOR:
+ case GAME_STATE_QUIT:
return 0;
}
- if (game->state == GAME_STATE_RUNNING) {
- update_player(game->player, game->platforms, delta_time);
- player_focus_camera(game->player, game->camera);
+ return 0;
+}
+
+int game_update(Game *game, float delta_time)
+{
+ trace_assert(game);
+ trace_assert(delta_time > 0.0f);
+
+ switch (game->state) {
+ case GAME_STATE_RUNNING: {
+ if (level_update(game->level, delta_time) < 0) {
+ return -1;
+ }
+
+ if (level_enter_camera_event(game->level, game->camera) < 0) {
+ return -1;
+ }
+
+ } break;
+
+ case GAME_STATE_CONSOLE: {
+ if (level_update(game->level, delta_time) < 0) {
+ return -1;
+ }
+
+ if (level_enter_camera_event(game->level, game->camera) < 0) {
+ return -1;
+ }
+
+ if (console_update(game->console, delta_time) < 0) {
+ return -1;
+ }
+ } break;
+
+ case GAME_STATE_LEVEL_PICKER: {
+ if (level_picker_update(game->level_picker, delta_time) < 0) {
+ return -1;
+ }
+
+ if (level_picker_enter_camera_event(game->level_picker, game->camera) < 0) {
+ return -1;
+ }
+
+ const char *level_filename = level_picker_selected_level(game->level_picker);
+
+ if (level_filename != NULL) {
+ if (game->level_editor == NULL) {
+ game->level_editor = PUSH_LT(
+ game->lt,
+ create_level_editor_from_file(level_filename),
+ destroy_level_editor);
+ } else {
+ game->level_editor = RESET_LT(
+ game->lt,
+ game->level_editor,
+ create_level_editor_from_file(level_filename));
+ }
+
+ if (game->level_editor == NULL) {
+ return -1;
+ }
+
+ if (game->level == NULL) {
+ game->level = PUSH_LT(
+ game->lt,
+ create_level_from_level_editor(
+ game->level_editor,
+ game->broadcast),
+ destroy_level);
+ } else {
+ game->level = RESET_LT(
+ game->lt,
+ game->level,
+ create_level_from_level_editor(
+ game->level_editor,
+ game->broadcast));
+ }
+
+ if (game->level == NULL) {
+ return -1;
+ }
+
+ game->state = GAME_STATE_RUNNING;
+ }
+
+ } break;
+
+ case GAME_STATE_LEVEL_EDITOR: {
+ if (level_editor_focus_camera(
+ game->level_editor,
+ game->camera) < 0) {
+ return -1;
+ }
+
+ level_editor_update(game->level_editor, delta_time);
+ } break;
+
+ case GAME_STATE_PAUSE:
+ case GAME_STATE_QUIT:
+ break;
}
return 0;
}
-static int game_event_pause(game_t *game, const SDL_Event *event)
+static int game_event_pause(Game *game, const SDL_Event *event)
{
- assert(game);
- assert(event);
+ trace_assert(game);
+ trace_assert(event);
switch (event->type) {
- case SDL_QUIT:
- game->state = GAME_STATE_QUIT;
- break;
-
case SDL_KEYDOWN:
switch (event->key.keysym.sym) {
case SDLK_p:
game->state = GAME_STATE_RUNNING;
+ camera_toggle_blackwhite_mode(game->camera);
+ sound_samples_toggle_pause(game->sound_samples);
+ break;
+ case SDLK_l:
+ camera_toggle_debug_mode(game->camera);
+ level_toggle_debug_mode(game->level);
break;
}
break;
}
- return 0;
+ return level_event(game->level, event);
}
-static int game_event_running(game_t *game, const SDL_Event *event)
+static int game_event_running(Game *game, const SDL_Event *event)
{
- assert(game);
- assert(event);
+ trace_assert(game);
+ trace_assert(event);
switch (event->type) {
- case SDL_QUIT:
- game->state = GAME_STATE_QUIT;
- break;
-
- case SDL_KEYDOWN:
+ case SDL_KEYDOWN: {
switch (event->key.keysym.sym) {
- case SDLK_SPACE:
- player_jump(game->player);
- break;
+ case SDLK_r: {
+ const char *level_filename = game->level_editor->file_name;
+
+ if (!level_filename) {
+ log_warn("Could not reload the level. There is no associated file.\n");
+ return 0;
+ }
- case SDLK_q:
- printf("Reloading the level from '%s'...\n", game->level_file_path);
+ log_info("Reloading the level from '%s'...\n", level_filename);
- game->platforms = RESET_LT(
+ game->level_editor = RESET_LT(
game->lt,
- game->platforms,
- load_platforms_from_file(game->level_file_path));
+ game->level_editor,
+ create_level_editor_from_file(level_filename));
+ if (game->level_editor == NULL) {
+ log_fail("Could not reload level %s\n", level_filename);
+ game->state = GAME_STATE_QUIT;
+ return -1;
+ }
- if (game->platforms == NULL) {
- print_current_error_msg("Could not reload the level");
+ game->level = RESET_LT(
+ game->lt,
+ game->level,
+ create_level_from_level_editor(
+ game->level_editor,
+ game->broadcast));
+ if (game->level == NULL) {
+ log_fail("Could not reload level %s\n", level_filename);
game->state = GAME_STATE_QUIT;
return -1;
}
- break;
- case SDLK_p:
+ camera_disable_debug_mode(game->camera);
+ } break;
+
+ case SDLK_p: {
game->state = GAME_STATE_PAUSE;
- break;
+ camera_toggle_blackwhite_mode(game->camera);
+ sound_samples_toggle_pause(game->sound_samples);
+ } break;
+
+ case SDLK_l: {
+ camera_toggle_debug_mode(game->camera);
+ level_toggle_debug_mode(game->level);
+ } break;
+
+ case SDLK_TAB: {
+ game->state = GAME_STATE_LEVEL_EDITOR;
+ } break;
}
- break;
+ } break;
- case SDL_JOYBUTTONDOWN:
- if (event->jbutton.button == 1) {
- player_jump(game->player);
+ case SDL_KEYUP: {
+ switch (event->key.keysym.sym) {
+ case SDLK_BACKQUOTE:
+ case SDLK_c: {
+ SDL_StartTextInput();
+ game->state = GAME_STATE_CONSOLE;
+ console_slide_down(game->console);
+ } break;
}
- break;
+ } break;
}
- return 0;
+ return level_event(game->level, event);
+}
+
+static int game_event_console(Game *game, const SDL_Event *event)
+{
+ switch (event->type) {
+ case SDL_KEYDOWN:
+ switch (event->key.keysym.sym) {
+ case SDLK_ESCAPE:
+ SDL_StopTextInput();
+ game->state = GAME_STATE_RUNNING;
+ return 0;
+
+ default: {}
+ }
+
+ default: {}
+ }
+
+ return console_handle_event(game->console, event);
+}
+
+static int game_event_level_picker(Game *game, const SDL_Event *event)
+{
+ trace_assert(game);
+ trace_assert(event);
+
+ switch (event->type) {
+ case SDL_KEYDOWN: {
+ switch(event->key.keysym.sym) {
+ case SDLK_n: {
+ if (game->level_editor == NULL) {
+ game->level_editor = PUSH_LT(
+ game->lt,
+ create_level_editor(),
+ destroy_level_editor);
+ } else {
+ game->level_editor = RESET_LT(
+ game->lt,
+ game->level_editor,
+ create_level_editor());
+ }
+
+ if (game->level_editor == NULL) {
+ return -1;
+ }
+
+ if (game->level == NULL) {
+ game->level = PUSH_LT(
+ game->lt,
+ create_level_from_level_editor(
+ game->level_editor,
+ game->broadcast),
+ destroy_level);
+ } else {
+ game->level = RESET_LT(
+ game->lt,
+ game->level,
+ create_level_from_level_editor(
+ game->level_editor,
+ game->broadcast));
+ }
+
+ if (game->level == NULL) {
+ return -1;
+ }
+
+ game->state = GAME_STATE_RUNNING;
+ } break;
+ }
+ } break;
+ }
+
+ return level_picker_event(game->level_picker, event, game->camera);
+}
+
+static int game_event_level_editor(Game *game, const SDL_Event *event)
+{
+ trace_assert(game);
+ trace_assert(event);
+
+ switch (event->type) {
+ case SDL_KEYDOWN: {
+ switch (event->key.keysym.sym) {
+ case SDLK_TAB: {
+ game->level = RESET_LT(
+ game->lt,
+ game->level,
+ create_level_from_level_editor(
+ game->level_editor,
+ game->broadcast));
+ if (game->level == NULL) {
+ return -1;
+ }
+ game->state = GAME_STATE_RUNNING;
+ } break;
+ }
+ } break;
+ }
+
+ return level_editor_event(game->level_editor, event, game->camera);
}
-int game_event(game_t *game, const SDL_Event *event)
+int game_event(Game *game, const SDL_Event *event)
{
- assert(game);
- assert(event);
+ trace_assert(game);
+ trace_assert(event);
+
+ switch (event->type) {
+ case SDL_QUIT: {
+ game->state = GAME_STATE_QUIT;
+ return 0;
+ } break;
+
+ case SDL_MOUSEMOTION: {
+ game->cursor_x = event->motion.x;
+ game->cursor_y = event->motion.y;
+ } break;
+ }
switch (game->state) {
case GAME_STATE_RUNNING:
case GAME_STATE_PAUSE:
return game_event_pause(game, event);
- default: {}
+ case GAME_STATE_CONSOLE:
+ return game_event_console(game, event);
+
+ case GAME_STATE_LEVEL_PICKER:
+ return game_event_level_picker(game, event);
+
+ case GAME_STATE_LEVEL_EDITOR:
+ return game_event_level_editor(game, event);
+
+ case GAME_STATE_QUIT:
+ return 0;
}
- return 0;
+ return -1;
}
-int game_input(game_t *game,
+int game_input(Game *game,
const Uint8 *const keyboard_state,
SDL_Joystick *the_stick_of_joy)
{
- assert(game);
- assert(keyboard_state);
- assert(the_stick_of_joy);
+ trace_assert(game);
+ trace_assert(keyboard_state);
- if (game->state == GAME_STATE_QUIT || game->state == GAME_STATE_PAUSE) {
+ switch (game->state) {
+ case GAME_STATE_QUIT:
+ case GAME_STATE_PAUSE:
+ case GAME_STATE_CONSOLE:
+ case GAME_STATE_LEVEL_EDITOR:
return 0;
- }
- if (keyboard_state[SDL_SCANCODE_A]) {
- player_move_left(game->player);
- } else if (keyboard_state[SDL_SCANCODE_D]) {
- player_move_right(game->player);
- } else if (the_stick_of_joy && SDL_JoystickGetAxis(the_stick_of_joy, 0) < 0) {
- player_move_left(game->player);
- } else if (the_stick_of_joy && SDL_JoystickGetAxis(the_stick_of_joy, 0) > 0) {
- player_move_right(game->player);
- } else {
- player_stop(game->player);
+ case GAME_STATE_RUNNING:
+ return level_input(game->level, keyboard_state, the_stick_of_joy);
+
+ case GAME_STATE_LEVEL_PICKER:
+ return level_picker_input(game->level_picker, keyboard_state, the_stick_of_joy);
}
return 0;
}
-int is_game_over(const game_t *game)
+int game_over_check(const Game *game)
{
return game->state == GAME_STATE_QUIT;
}
+
+struct EvalResult
+game_send(Game *game, Gc *gc, struct Scope *scope,
+ struct Expr path)
+{
+ trace_assert(game);
+ trace_assert(gc);
+ trace_assert(scope);
+
+ const char *target = NULL;
+ struct Expr rest = void_expr();
+ struct EvalResult res = match_list(gc, "q*", path, &target, &rest);
+ if (res.is_error) {
+ return res;
+ }
+
+ if (strcmp(target, "level") == 0) {
+ return level_send(game->level, gc, scope, rest);
+ } else if (strcmp(target, "menu") == 0) {
+ level_picker_clean_selection(game->level_picker);
+ game->state = GAME_STATE_LEVEL_PICKER;
+ return eval_success(NIL(gc));
+ }
+
+ return unknown_target(gc, "game", target);
+}
+
+// Private Functions
+
+static int game_render_cursor(const Game *game)
+{
+ trace_assert(game);
+
+ SDL_Rect src = {0, 0, 32, 32};
+ SDL_Rect dest = {game->cursor_x, game->cursor_y, 32, 32};
+ if (SDL_RenderCopy(game->renderer, game->texture_cursor, &src, &dest) < 0) {
+ return -1;
+ }
+
+ return 0;
+}
projects / nothing.git / blobdiff