-#include <SDL2/SDL.h>
-#include <SDL2/SDL_mixer.h>
-#include <assert.h>
+#include <SDL.h>
+#include "system/stacktrace.h"
#include <stdio.h>
#include "game.h"
-#include "ui/edit_field.h"
#include "game/level.h"
-#include "ui/console.h"
#include "game/sound_samples.h"
-#include "system/error.h"
+#include "game/level_picker.h"
+#include "system/log.h"
#include "system/lt.h"
-
-typedef enum Game_state {
- GAME_STATE_RUNNING = 0,
- GAME_STATE_PAUSE,
- GAME_STATE_CONSOLE,
- GAME_STATE_QUIT,
-
- GAME_STATE_N
-} Game_state;
+#include "system/nth_alloc.h"
+#include "ui/console.h"
+#include "ui/edit_field.h"
+#include "ui/cursor.h"
+#include "system/str.h"
+#include "sdl/texture.h"
+#include "game/level/level_editor/background_layer.h"
+#include "game/level/level_editor.h"
+#include "game/settings.h"
+#include "game/credits.h"
typedef struct Game {
Lt *lt;
Game_state state;
+ Sprite_font font;
+ Memory tmpmem;
+ LevelPicker level_picker;
+ LevelEditor level_editor;
+ Credits *credits;
Level *level;
- char *level_file_path;
+ Settings settings;
Sound_samples *sound_samples;
- Camera *camera;
- Sprite_font *font;
- Console *console;
+ Camera camera;
SDL_Renderer *renderer;
+ Console *console;
+ Cursor cursor;
+ int console_enabled;
} Game;
-Game *create_game(const char *level_file_path,
- const char *sound_sample_files[],
- size_t sound_sample_files_count,
- SDL_Renderer *renderer)
+void game_switch_state(Game *game, Game_state state)
{
- assert(level_file_path);
-
- Lt *const lt = create_lt();
- if (lt == NULL) {
- return NULL;
+ game->cursor.style = CURSOR_STYLE_POINTER;
+ if (state == GAME_STATE_LEVEL_PICKER) {
+ level_picker_clean_selection(&game->level_picker);
}
+ game->camera = create_camera(game->renderer, game->font);
+ game->state = state;
+}
- Game *game = PUSH_LT(lt, malloc(sizeof(Game)), free);
+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);
+
+ Lt *lt = create_lt();
+
+ Game *game = PUSH_LT(lt, nth_calloc(1, sizeof(Game)), free);
if (game == NULL) {
- throw_error(ERROR_TYPE_LIBC);
RETURN_LT(lt, NULL);
}
game->lt = lt;
- game->renderer = renderer;
+ game->font.texture = load_bmp_font_texture(
+ renderer,
+ "./assets/images/charmap-oldschool.bmp");
- game->level = PUSH_LT(
- lt,
- create_level_from_file(level_file_path),
- destroy_level);
- if (game->level == NULL) {
- RETURN_LT(lt, NULL);
- }
+ game->tmpmem.capacity = TMPMEM_CAPACITY;
+ game->tmpmem.buffer = malloc(TMPMEM_CAPACITY);
+ trace_assert(game->tmpmem.buffer);
- 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);
- RETURN_LT(lt, NULL);
- }
- strcpy(game->level_file_path, level_file_path);
+ level_picker_populate(&game->level_picker, level_folder);
- game->font = PUSH_LT(
+ game->credits = PUSH_LT(
lt,
- create_sprite_font_from_file("fonts/charmap-oldschool.bmp", renderer),
- destroy_sprite_font);
- if (game->font == NULL) {
- RETURN_LT(lt, NULL);
- }
-
- game->camera = PUSH_LT(lt, create_camera(renderer, game->font), destroy_camera);
- if (game->camera == NULL) {
+ create_credits(),
+ destroy_credits);
+ if (game->credits == NULL) {
RETURN_LT(lt, NULL);
}
RETURN_LT(lt, NULL);
}
+ game->settings = create_settings();
+
+ game->renderer = renderer;
+
+ for (Cursor_Style style = 0; style < CURSOR_STYLE_N; ++style) {
+ game->cursor.texs[style] = PUSH_LT(
+ lt,
+ texture_from_bmp(cursor_style_tex_files[style], renderer),
+ SDL_DestroyTexture);
+ if (SDL_SetTextureBlendMode(
+ game->cursor.texs[style],
+ 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 while setting blending mode for `%s': %s\n",
+ cursor_style_tex_files[style],
+ SDL_GetError());
+ }
+ }
+
+ create_level_editor(&game->level_editor, &game->cursor);
+
game->console = PUSH_LT(
lt,
- create_console(game->level, game->font),
+ create_console(game),
destroy_console);
if (game->console == NULL) {
RETURN_LT(lt, NULL);
}
+ game->console_enabled = 0;
- game->state = GAME_STATE_RUNNING;
+ game_switch_state(game, GAME_STATE_LEVEL_PICKER);
return game;
}
void destroy_game(Game *game)
{
- assert(game);
+ trace_assert(game);
+ destroy_level_picker(game->level_picker);
+ free(game->tmpmem.buffer);
RETURN_LT0(game->lt);
}
int game_render(const Game *game)
{
- assert(game);
+ trace_assert(game);
- if (game->state == GAME_STATE_QUIT) {
- return 0;
- }
+ switch(game->state) {
+ case GAME_STATE_LEVEL: {
+ if (level_render(game->level, &game->camera) < 0) {
+ return -1;
+ }
+ } break;
- if (level_render(game->level, game->camera) < 0) {
- return -1;
+ case GAME_STATE_LEVEL_PICKER: {
+ if (level_picker_render(&game->level_picker, &game->camera) < 0) {
+ return -1;
+ }
+ } break;
+
+ case GAME_STATE_LEVEL_EDITOR: {
+ if (level_editor_render(&game->level_editor, &game->camera) < 0) {
+ return -1;
+ }
+ } break;
+
+ case GAME_STATE_CREDITS: {
+ if (credits_render(game->credits, &game->camera) < 0) {
+ return -1;
+ }
+ } break;
+
+ case GAME_STATE_SETTINGS: {
+ settings_render(&game->settings, &game->camera);
+ } break;
+
+ case GAME_STATE_QUIT: break;
}
- if (game->state == GAME_STATE_CONSOLE) {
- if (console_render(game->console, game->renderer) < 0) {
+ if (game->console_enabled) {
+ if (console_render(game->console, &game->camera) < 0) {
return -1;
}
}
+ if (cursor_render(&game->cursor, game->renderer) < 0) {
+ return -1;
+ }
+
return 0;
}
int game_sound(Game *game)
{
- return level_sound(game->level, game->sound_samples);
+ switch (game->state) {
+ case GAME_STATE_LEVEL:
+ return level_sound(game->level, game->sound_samples);
+ case GAME_STATE_LEVEL_EDITOR:
+ level_editor_sound(&game->level_editor, game->sound_samples);
+ return 0;
+ case GAME_STATE_LEVEL_PICKER:
+ case GAME_STATE_CREDITS:
+ case GAME_STATE_SETTINGS:
+ case GAME_STATE_QUIT:
+ return 0;
+ }
+
+ return 0;
}
int game_update(Game *game, float delta_time)
{
- assert(game);
- assert(delta_time > 0.0f);
+ trace_assert(game);
+ trace_assert(delta_time > 0.0f);
- if (game->state == GAME_STATE_QUIT) {
- return 0;
+ // TODO(#1218): effective scale recalculation should be probably done only when the size of the window is changed
+ SDL_Rect view_port;
+ SDL_RenderGetViewport(game->camera.renderer, &view_port);
+ game->camera.effective_scale = effective_scale(&view_port);
+
+ if (game->console_enabled) {
+ if (console_update(game->console, delta_time) < 0) {
+ return -1;
+ }
}
- if (game->state == GAME_STATE_RUNNING || game->state == GAME_STATE_CONSOLE) {
+ switch (game->state) {
+ case GAME_STATE_LEVEL: {
if (level_update(game->level, delta_time) < 0) {
return -1;
}
- if (level_enter_camera_event(game->level, game->camera) < 0) {
+ if (level_enter_camera_event(game->level, &game->camera) < 0) {
return -1;
}
- if (console_update(game->console, delta_time) < 0) {
+ } break;
+
+ case GAME_STATE_LEVEL_PICKER: {
+ if (level_picker_update(&game->level_picker, &game->camera, delta_time) < 0) {
return -1;
}
- }
- return 0;
-}
+ 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);
-static int game_event_pause(Game *game, const SDL_Event *event)
-{
- assert(game);
- assert(event);
+ if (level_filename != NULL) {
+ if (game_load_level(game, level_filename) < 0) {
+ return -1;
+ }
+ }
+ } break;
- switch (event->type) {
- case SDL_QUIT:
- game->state = GAME_STATE_QUIT;
- break;
+ case GAME_STATE_LEVEL_EDITOR: {
+ if (level_editor_focus_camera(
+ &game->level_editor,
+ &game->camera) < 0) {
+ return -1;
+ }
- 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;
+ level_editor_update(&game->level_editor, delta_time);
+ } break;
+
+ case GAME_STATE_CREDITS: {
+ if (credits_update(game->credits, &game->camera, delta_time) < 0) {
+ return -1;
}
+ } break;
+
+ case GAME_STATE_SETTINGS: {
+ settings_update(&game->settings, &game->camera, delta_time);
+ sound_samples_update_volume(
+ game->sound_samples,
+ game->settings.volume_slider.value);
+ } break;
+
+ case GAME_STATE_QUIT:
break;
}
- return level_event(game->level, event);
+ return 0;
}
static int game_event_running(Game *game, const SDL_Event *event)
{
- assert(game);
- assert(event);
+ trace_assert(game);
+ trace_assert(event);
+
+ if (!SDL_IsTextInputActive()) {
+ switch (event->type) {
+ case SDL_KEYDOWN: {
+ switch (event->key.keysym.sym) {
+ case SDLK_r: {
+ game->level = RESET_LT(
+ game->lt,
+ game->level,
+ create_level_from_level_editor(
+ &game->level_editor));
+ if (game->level == NULL) {
+ game_switch_state(game, GAME_STATE_QUIT);
+ return -1;
+ }
+
+ level_disable_pause_mode(
+ game->level,
+ &game->camera,
+ game->sound_samples);
+ camera_disable_debug_mode(&game->camera);
+ } break;
+
+ case SDLK_TAB: {
+ game_switch_state(game, GAME_STATE_LEVEL_EDITOR);
+ } break;
+ }
+ } break;
+ }
+ }
- switch (event->type) {
- case SDL_QUIT:
- game->state = GAME_STATE_QUIT;
- break;
+ return level_event(game->level, event, &game->camera, game->sound_samples);
+}
- case SDL_KEYDOWN:
- switch (event->key.keysym.sym) {
- case SDLK_r:
- printf("Reloading the level from '%s'...\n", game->level_file_path);
+static int game_event_level_picker(Game *game, const SDL_Event *event)
+{
+ trace_assert(game);
+ trace_assert(event);
- game->level = RESET_LT(
- game->lt,
- game->level,
- create_level_from_file(
- game->level_file_path));
+ switch (event->type) {
+ case SDL_KEYDOWN: {
+ switch(event->key.keysym.sym) {
+ case SDLK_n: {
+ level_editor_clean(&game->level_editor);
+
+ if (game->level == NULL) {
+ game->level = PUSH_LT(
+ game->lt,
+ create_level_from_level_editor(
+ &game->level_editor),
+ destroy_level);
+ } else {
+ game->level = RESET_LT(
+ game->lt,
+ game->level,
+ create_level_from_level_editor(
+ &game->level_editor));
+ }
if (game->level == NULL) {
- print_current_error_msg("Could not reload the level");
- game->state = GAME_STATE_QUIT;
return -1;
}
- camera_disable_debug_mode(game->camera);
+ game_switch_state(game, GAME_STATE_LEVEL);
+ } break;
- break;
+ case SDLK_i: {
+ game_switch_state(game, GAME_STATE_CREDITS);
+ } break;
- case SDLK_q:
- printf("Reloading the level's platforms from '%s'...\n", game->level_file_path);
- if (level_reload_preserve_player(game->level, game->level_file_path) < 0) {
- print_current_error_msg("Could not reload the level");
- game->state = GAME_STATE_QUIT;
- return -1;
- }
- break;
-
- case SDLK_p:
- game->state = GAME_STATE_PAUSE;
- 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_s: {
+ game_switch_state(game, GAME_STATE_SETTINGS);
+ } break;
}
- break;
- case SDL_KEYUP:
+ } break;
+ }
+
+ return level_picker_event(&game->level_picker, event);
+}
+
+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_BACKQUOTE:
- case SDLK_c:
- SDL_StartTextInput();
- game->state = GAME_STATE_CONSOLE;
- console_slide_down(game->console);
- break;
+ case SDLK_TAB: {
+ game->level = RESET_LT(
+ game->lt,
+ game->level,
+ create_level_from_level_editor(
+ &game->level_editor));
+ if (game->level == NULL) {
+ return -1;
+ }
+ game_switch_state(game, GAME_STATE_LEVEL);
+ } break;
}
- break;
-
+ } break;
}
- return level_event(game->level, event);
+ return level_editor_event(&game->level_editor, event, &game->camera);
}
-static int game_event_console(Game *game, const SDL_Event *event)
+int game_event(Game *game, const SDL_Event *event)
{
+ trace_assert(game);
+ trace_assert(event);
+
+ // Global event handling
switch (event->type) {
- case SDL_QUIT:
- game->state = GAME_STATE_QUIT;
+ case SDL_QUIT: {
+ game_switch_state(game, GAME_STATE_QUIT);
return 0;
+ } break;
- case SDL_KEYDOWN:
- switch (event->key.keysym.sym) {
- case SDLK_ESCAPE:
- SDL_StopTextInput();
- game->state = GAME_STATE_RUNNING;
+ case SDL_KEYDOWN: {
+ if ((event->key.keysym.sym == SDLK_q && event->key.keysym.mod & KMOD_CTRL) ||
+ (event->key.keysym.sym == SDLK_F4 && event->key.keysym.mod & KMOD_ALT)) {
+ game_switch_state(game, GAME_STATE_QUIT);
return 0;
+ }
+ } break;
+ }
+
+ // Console event handling
+ if (game->console_enabled) {
+ switch (event->type) {
+ case SDL_KEYDOWN:
+ switch (event->key.keysym.sym) {
+ case SDLK_ESCAPE:
+ SDL_StopTextInput();
+ game->console_enabled = 0;
+ return 0;
+ default: {}
+ }
default: {}
}
- default: {}
+ return console_handle_event(game->console, event);
+ } else {
+ switch (event->type) {
+ case SDL_KEYUP: {
+ switch (event->key.keysym.sym) {
+ case SDLK_BACKQUOTE:
+ case SDLK_c: {
+ if (event->key.keysym.mod == KMOD_NONE || event->key.keysym.mod == KMOD_NUM) {
+ SDL_StartTextInput();
+ game->console_enabled = 1;
+ console_slide_down(game->console);
+ }
+ } break;
+ }
+ } break;
+ }
}
- return console_handle_event(game->console, event);
-}
-
-int game_event(Game *game, const SDL_Event *event)
-{
- assert(game);
- assert(event);
-
+ // State event handling
switch (game->state) {
- case GAME_STATE_RUNNING:
+ case GAME_STATE_LEVEL:
return game_event_running(game, event);
- case GAME_STATE_PAUSE:
- return game_event_pause(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_CREDITS: {
+ switch (event->type) {
+ case SDL_KEYDOWN: {
+ if (event->key.keysym.sym == SDLK_ESCAPE) {
+ game_switch_state(game, GAME_STATE_LEVEL_PICKER);
+ return 0;
+ }
+ } break;
+ }
+
+ return 0;
+ } break;
+
+ case GAME_STATE_SETTINGS: {
+ switch (event->type) {
+ case SDL_KEYDOWN: {
+ if (event->key.keysym.sym == SDLK_ESCAPE) {
+ game_switch_state(game, GAME_STATE_LEVEL_PICKER);
+ return 0;
+ }
+ } break;
+ }
- case GAME_STATE_CONSOLE:
- return game_event_console(game, event);
+ settings_event(&game->settings, &game->camera, event);
+ return 0;
+ } break;
- default: {}
+ case GAME_STATE_QUIT:
+ return 0;
}
- return 0;
+ return -1;
}
-
+// TODO(#1145): get rid of keyboard_state and introduce *_joystick methods
+//
+// keyboard_state is a global var and can be check anywhere anyway
int game_input(Game *game,
const Uint8 *const keyboard_state,
SDL_Joystick *the_stick_of_joy)
{
- assert(game);
- assert(keyboard_state);
+ trace_assert(game);
+ trace_assert(keyboard_state);
+
+ if (game->console_enabled) {
+ return 0;
+ }
- if (game->state == GAME_STATE_QUIT ||
- game->state == GAME_STATE_PAUSE ||
- game->state == GAME_STATE_CONSOLE) {
+ switch (game->state) {
+ case GAME_STATE_SETTINGS:
+ case GAME_STATE_CREDITS:
+ case GAME_STATE_QUIT:
+ case GAME_STATE_LEVEL_EDITOR:
return 0;
+
+ case GAME_STATE_LEVEL:
+ 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 level_input(game->level, keyboard_state, the_stick_of_joy);
+ return 0;
}
int game_over_check(const Game *game)
{
return game->state == GAME_STATE_QUIT;
}
+
+int game_load_level(Game *game, const char *level_filename)
+{
+ trace_assert(game);
+ trace_assert(level_filename);
+
+ memory_clean(&game->tmpmem);
+ level_editor_load_from_file(&game->level_editor, &game->tmpmem, level_filename);
+
+ if (game->level == NULL) {
+ game->level = PUSH_LT(
+ game->lt,
+ create_level_from_level_editor(
+ &game->level_editor),
+ destroy_level);
+ } else {
+ game->level = RESET_LT(
+ game->lt,
+ game->level,
+ create_level_from_level_editor(
+ &game->level_editor));
+ }
+
+ if (game->level == NULL) {
+ return -1;
+ }
+
+ game_switch_state(game, GAME_STATE_LEVEL);
+
+ return 0;
+}