#include <stdio.h>
#include "./level_picker.h"
-#include "system/stacktrace.h"
+
+#include "game/sprite_font.h"
#include "system/lt.h"
#include "system/nth_alloc.h"
-#include "str.h"
-#include "game/level/background.h"
+#include "system/stacktrace.h"
+#include "system/str.h"
+#include "system/log.h"
+#include "system/file.h"
-/* TODO(#606): LevelPicker doesn't allow to select any levels */
+#define TITLE_MARGIN_TOP 100.0f
+#define TITLE_MARGIN_BOTTOM 100.0f
-struct LevelPicker
-{
- Lt *lt;
- const char *dirpath;
- Background *background;
- Vec camera_position;
-};
+#define LEVEL_PICKER_LIST_FONT_SCALE vec(5.0f, 5.0f)
+#define LEVEL_PICKER_LIST_PADDING_BOTTOM 50.0f
-LevelPicker *create_level_picker(const char *dirpath)
+void level_picker_populate(LevelPicker *level_picker,
+ const char *dirpath)
{
+ trace_assert(level_picker);
trace_assert(dirpath);
- Lt *lt = create_lt();
- if (lt == NULL) {
- return NULL;
- }
+ level_picker->background.base_color = hexstr("073642");
+ level_picker->camera_position = vec(0.0f, 0.0f);
- LevelPicker *level_picker = PUSH_LT(
- lt,
- nth_alloc(sizeof(LevelPicker)),
- free);
- if (level_picker == NULL) {
- RETURN_LT(lt, NULL);
- }
- level_picker->lt = lt;
-
- level_picker->dirpath = PUSH_LT(
- lt,
- string_duplicate(dirpath, NULL),
- free);
- if (level_picker->dirpath == NULL) {
- RETURN_LT(lt, NULL);
- }
+ {
+ dynarray_clear(&level_picker->items);
+ level_picker->items = create_dynarray(METADATA_FILEPATH_MAX_SIZE);
- level_picker->background = PUSH_LT(
- lt,
- create_background(hexstr("073642")),
- destroy_background);
- if (level_picker->background == NULL) {
- RETURN_LT(lt, NULL);
- }
+ DIR *level_dir = opendir(dirpath);
+ if (level_dir == NULL) {
+ log_fail("Can't open asset folder: %s\n", dirpath);
+ abort();
+ }
- level_picker->camera_position = vec(0.0f, 0.0f);
+ char filepath[METADATA_FILEPATH_MAX_SIZE];
+ for (struct dirent *d = readdir(level_dir);
+ d != NULL;
+ d = readdir(level_dir)) {
+ if (*d->d_name == '.') continue;
- return level_picker;
-}
+ snprintf(filepath, METADATA_FILEPATH_MAX_SIZE,
+ "%s/%s", dirpath, d->d_name);
+ dynarray_push(&level_picker->items, filepath);
+ }
+ closedir(level_dir);
+ }
-void destroy_level_picker(LevelPicker *level_picker)
-{
- trace_assert(level_picker);
- RETURN_LT0(level_picker->lt);
+ level_picker->wiggly_text = (WigglyText) {
+ .text = "Select Level",
+ .scale = {10.0f, 10.0f},
+ .color = COLOR_WHITE,
+ };
}
int level_picker_render(const LevelPicker *level_picker,
- Camera *camera,
- SDL_Renderer *renderer)
+ const Camera *camera)
{
trace_assert(level_picker);
- trace_assert(renderer);
- if (background_render(level_picker->background, camera) < 0) {
+ const Rect viewport = camera_view_port_screen(camera);
+
+ if (background_render(&level_picker->background, camera) < 0) {
return -1;
}
+ const Vec2f title_size = wiggly_text_size(&level_picker->wiggly_text);
+
+ wiggly_text_render(
+ &level_picker->wiggly_text,
+ camera,
+ vec(viewport.w * 0.5f - title_size.x * 0.5f, TITLE_MARGIN_TOP));
+
+ for (size_t i = 0; i < level_picker->items.count; ++i) {
+ const Vec2f current_position = vec_sum(
+ level_picker->position,
+ vec(0.0f, (float) i * ((float) FONT_CHAR_HEIGHT * LEVEL_PICKER_LIST_FONT_SCALE.y + LEVEL_PICKER_LIST_PADDING_BOTTOM)));
+
+ const char *item_text = dynarray_pointer_at(&level_picker->items, i);
+
+ sprite_font_render_text(
+ &camera->font,
+ camera->renderer,
+ current_position,
+ LEVEL_PICKER_LIST_FONT_SCALE,
+ rgba(1.0f, 1.0f, 1.0f, 1.0f),
+ item_text);
+
+ if (i == level_picker->cursor) {
+ SDL_Rect boundary_box = rect_for_sdl(
+ sprite_font_boundary_box(
+ current_position,
+ LEVEL_PICKER_LIST_FONT_SCALE,
+ item_text));
+ if (SDL_SetRenderDrawColor(camera->renderer, 255, 255, 255, 255) < 0) {
+ return -1;
+ }
+
+ if (SDL_RenderDrawRect(camera->renderer, &boundary_box) < 0) {
+ return -1;
+ }
+ }
+ }
+
+ {
+ /* CSS */
+ const float padding = 20.0f;
+ const Vec2f size = vec(3.0f, 3.0f);
+ const Vec2f position = vec(0.0f, viewport.h - size.y * FONT_CHAR_HEIGHT);
+
+ /* HTML */
+ camera_render_text_screen(
+ camera,
+ "Press 'N' to create new level",
+ size,
+ COLOR_WHITE,
+ vec(position.x + padding,
+ position.y - padding));
+ }
+
return 0;
}
vec_add(&level_picker->camera_position,
vec(50.0f * delta_time, 0.0f));
+ if (wiggly_text_update(&level_picker->wiggly_text, delta_time) < 0) {
+ return -1;
+ }
+
return 0;
}
-int level_picker_event(LevelPicker *level_picker, const SDL_Event *event)
+static
+Vec2f level_picker_list_size(const LevelPicker *level_picker)
+{
+ trace_assert(level_picker);
+
+ Vec2f result = vec(0.0f, 0.0f);
+
+ for (size_t i = 0; i < level_picker->items.count; ++i) {
+ const char *item_text = dynarray_pointer_at(
+ &level_picker->items,
+ i);
+
+ Rect boundary_box = sprite_font_boundary_box(
+ vec(0.0f, 0.0f),
+ LEVEL_PICKER_LIST_FONT_SCALE,
+ item_text);
+
+ result.x = fmaxf(result.x, boundary_box.w);
+ result.y += boundary_box.y + LEVEL_PICKER_LIST_PADDING_BOTTOM;
+ }
+
+ return result;
+}
+
+
+int level_picker_event(LevelPicker *level_picker,
+ const SDL_Event *event)
{
trace_assert(level_picker);
trace_assert(event);
+
+ switch (event->type) {
+ case SDL_WINDOWEVENT: {
+ switch (event->window.event) {
+ case SDL_WINDOWEVENT_SHOWN:
+ case SDL_WINDOWEVENT_SIZE_CHANGED: {
+ int width;
+ SDL_GetRendererOutputSize(SDL_GetRenderer(SDL_GetWindowFromID(event->window.windowID)), &width, NULL);
+ const Vec2f title_size = wiggly_text_size(&level_picker->wiggly_text);
+ const Vec2f selector_size = level_picker_list_size(level_picker);
+
+ level_picker->position =
+ vec((float)width * 0.5f - selector_size.x * 0.5f,
+ TITLE_MARGIN_TOP + title_size.y + TITLE_MARGIN_BOTTOM);
+ } break;
+ }
+ } break;
+
+ case SDL_KEYDOWN:
+ switch (event->key.keysym.sym) {
+ case SDLK_UP:
+ if (level_picker->cursor == 0) {
+ level_picker->cursor = level_picker->items.count - 1;
+ } else {
+ level_picker->cursor--;
+ }
+ break;
+ case SDLK_DOWN:
+ level_picker->cursor++;
+ if (level_picker->cursor == level_picker->items.count) {
+ level_picker->cursor = 0;
+ }
+ break;
+ case SDLK_RETURN:
+ if (level_picker->cursor < level_picker->items.count) {
+ level_picker->selected_item = (int) level_picker->cursor;
+ }
+ break;
+ }
+ break;
+
+ case SDL_MOUSEMOTION: {
+ const Vec2f mouse_pos = vec((float) event->motion.x, (float) event->motion.y);
+ Vec2f position = level_picker->position;
+
+ for (size_t i = 0; i < level_picker->items.count; ++i) {
+ const char *item_text = dynarray_pointer_at(
+ &level_picker->items,
+ i);
+
+ Rect boundary_box = sprite_font_boundary_box(
+ position,
+ LEVEL_PICKER_LIST_FONT_SCALE,
+ item_text);
+
+ if (rect_contains_point(boundary_box, mouse_pos)) {
+ level_picker->cursor = i;
+ }
+
+ position.y += boundary_box.h + LEVEL_PICKER_LIST_PADDING_BOTTOM;
+ }
+ } break;
+
+ case SDL_MOUSEBUTTONDOWN: {
+ switch (event->button.button) {
+ case SDL_BUTTON_LEFT: {
+ // check if the click position was actually inside...
+ // note: make sure there's actually stuff in the list! tsoding likes
+ // to remove all levels and change title to "SMOL BREAK"...
+ if (level_picker->items.count == 0)
+ break;
+
+ // note: this assumes that all list items are the same height!
+ // this is probably a valid assumption as long as we use a sprite font.
+ float single_item_height =
+ FONT_CHAR_HEIGHT * LEVEL_PICKER_LIST_FONT_SCALE.y + LEVEL_PICKER_LIST_PADDING_BOTTOM;
+
+ Vec2f position = level_picker->position;
+ vec_add(&position, vec(0.0f, (float) level_picker->cursor * single_item_height));
+
+ const char *item_text =
+ dynarray_pointer_at(
+ &level_picker->items,
+ level_picker->cursor);
+
+ Rect boundary_box = sprite_font_boundary_box(
+ position,
+ LEVEL_PICKER_LIST_FONT_SCALE,
+ item_text);
+
+ const Vec2f mouse_pos = vec((float) event->motion.x, (float) event->motion.y);
+ if (rect_contains_point(boundary_box, mouse_pos)) {
+ level_picker->selected_item = (int) level_picker->cursor;
+ }
+ } break;
+ }
+ } break;
+ }
+
return 0;
}
{
trace_assert(level_picker);
trace_assert(keyboard_state);
- trace_assert(the_stick_of_joy);
+ (void) the_stick_of_joy;
return 0;
}
const char *level_picker_selected_level(const LevelPicker *level_picker)
{
trace_assert(level_picker);
- return level_picker->dirpath;
+
+ if (level_picker->selected_item < 0) {
+ return NULL;
+ }
+
+ return dynarray_pointer_at(
+ &level_picker->items,
+ (size_t)level_picker->selected_item);
}
void level_picker_clean_selection(LevelPicker *level_picker)
{
trace_assert(level_picker);
+ level_picker->selected_item = -1;
}
int level_picker_enter_camera_event(LevelPicker *level_picker,