src/game/level_picker.c

   1 #include <stdio.h>
   2
   3 #include "./level_picker.h"
   4 #include "system/stacktrace.h"
   5 #include "system/lt.h"
   6 #include "system/nth_alloc.h"
   7 #include "str.h"
   8 #include "game/level/background.h"
   9
  10 /* TODO(#606): LevelPicker doesn't allow to select any levels */
  11
  12 struct LevelPicker
  13 {
  14     Lt *lt;
  15     const char *dirpath;
  16     Background *background;
  17     Vec camera_position;
  18 };
  19
  20 LevelPicker *create_level_picker(const char *dirpath)
  21 {
  22     trace_assert(dirpath);
  23
  24     Lt *lt = create_lt();
  25     if (lt == NULL) {
  26         return NULL;
  27     }
  28
  29     LevelPicker *level_picker = PUSH_LT(
  30         lt,
  31         nth_alloc(sizeof(LevelPicker)),
  32         free);
  33     if (level_picker == NULL) {
  34         RETURN_LT(lt, NULL);
  35     }
  36     level_picker->lt = lt;
  37
  38     level_picker->dirpath = PUSH_LT(
  39         lt,
  40         string_duplicate(dirpath, NULL),
  41         free);
  42     if (level_picker->dirpath == NULL) {
  43         RETURN_LT(lt, NULL);
  44     }
  45
  46     level_picker->background = PUSH_LT(
  47         lt,
  48         create_background(hexstr("073642")),
  49         destroy_background);
  50     if (level_picker->background == NULL) {
  51         RETURN_LT(lt, NULL);
  52     }
  53
  54     level_picker->camera_position = vec(0.0f, 0.0f);
  55
  56     return level_picker;
  57 }
  58
  59 void destroy_level_picker(LevelPicker *level_picker)
  60 {
  61     trace_assert(level_picker);
  62     RETURN_LT0(level_picker->lt);
  63 }
  64
  65 int level_picker_render(const LevelPicker *level_picker,
  66                         Camera *camera,
  67                         SDL_Renderer *renderer)
  68 {
  69     trace_assert(level_picker);
  70     trace_assert(renderer);
  71
  72     if (background_render(level_picker->background, camera) < 0) {
  73         return -1;
  74     }
  75
  76     return 0;
  77 }
  78
  79 int level_picker_update(LevelPicker *level_picker,
  80                         float delta_time)
  81 {
  82     trace_assert(level_picker);
  83
  84     vec_add(&level_picker->camera_position,
  85             vec(50.0f * delta_time, 0.0f));
  86
  87     return 0;
  88 }
  89
  90 int level_picker_event(LevelPicker *level_picker, const SDL_Event *event)
  91 {
  92     trace_assert(level_picker);
  93     trace_assert(event);
  94     return 0;
  95 }
  96
  97 int level_picker_input(LevelPicker *level_picker,
  98                        const Uint8 *const keyboard_state,
  99                        SDL_Joystick *the_stick_of_joy)
 100 {
 101     trace_assert(level_picker);
 102     trace_assert(keyboard_state);
 103     trace_assert(the_stick_of_joy);
 104     return 0;
 105 }
 106
 107 const char *level_picker_selected_level(const LevelPicker *level_picker)
 108 {
 109     trace_assert(level_picker);
 110     return level_picker->dirpath;
 111 }
 112
 113 void level_picker_clean_selection(LevelPicker *level_picker)
 114 {
 115     trace_assert(level_picker);
 116 }
 117
 118 int level_picker_enter_camera_event(LevelPicker *level_picker,
 119                                     Camera *camera)
 120 {
 121     camera_center_at(camera, level_picker->camera_position);
 122     return 0;
 123 }