src/game/credits.c

   1 #include "./credits.h"
   2 #include "game/level/background.h"
   3 #include "game/sprite_font.h"
   4 #include "system/lt.h"
   5 #include "system/nth_alloc.h"
   6 #include "system/stacktrace.h"
   7 #include "system/str.h"
   8 #include "system/log.h"
   9 #include "ui/wiggly_text.h"
  10 #include "config.h"
  11
  12 #define TITLE_MARGIN_TOP 100.0f
  13
  14 struct Credits
  15 {
  16     Lt *lt;
  17     Background background;
  18     Vec2f camera_position;
  19     WigglyText wiggly_text;
  20 };
  21
  22 Credits *create_credits(void)
  23 {
  24         Lt *lt = create_lt();
  25         Credits *credits = PUSH_LT(
  26         lt,
  27         nth_calloc(1, sizeof(Credits)),
  28         free);
  29     if (credits == NULL) {
  30         RETURN_LT(lt, NULL);
  31     }
  32     credits->lt = lt;
  33
  34     credits->background = create_background(hexstr("250741"));
  35
  36     credits->camera_position = vec(0.0f, 0.0f);
  37
  38     credits->wiggly_text = (WigglyText) {
  39         .text = "Twitch Subs/Contributors",
  40         .scale = {8.0f, 8.0f},
  41         .color = COLOR_WHITE,
  42     };
  43
  44     return credits;
  45 }
  46
  47 void destroy_credits(Credits *credits)
  48 {
  49     trace_assert(credits);
  50     RETURN_LT0(credits->lt);
  51 }
  52
  53 int credits_render(const Credits *credits, const Camera *camera)
  54 {
  55     trace_assert(credits);
  56     trace_assert(camera);
  57
  58     const Rect viewport = camera_view_port_screen(camera);
  59
  60     if (background_render(&credits->background, camera) < 0) {
  61         return -1;
  62     }
  63
  64     const Vec2f title_size = wiggly_text_size(&credits->wiggly_text, camera);
  65
  66     if (wiggly_text_render(
  67             &credits->wiggly_text,
  68             camera,
  69             vec(viewport.w * 0.5f - title_size.x * 0.5f, TITLE_MARGIN_TOP)) < 0) {
  70         return -1;
  71     }
  72     // TODO(#1150): Credits page don't display list of subs and contributors
  73     return 0;
  74 }
  75
  76 int credits_update(Credits *credits, Camera *camera, float dt)
  77 {
  78     trace_assert(credits);
  79     trace_assert(camera);
  80
  81     vec_add(&credits->camera_position,
  82             vec(0.0f, 20.0f * dt));
  83     camera_center_at(camera, credits->camera_position);
  84
  85     if (wiggly_text_update(&credits->wiggly_text, dt) < 0) {
  86         return -1;
  87     }
  88
  89     return 0;
  90 }