src/game/proto_rect.c

   1 #include <stdbool.h>
   2
   3 #include <SDL2/SDL.h>
   4
   5 #include "system/stacktrace.h"
   6 #include "system/log.h"
   7 #include "game/camera.h"
   8
   9 #include "./proto_rect.h"
  10
  11 int proto_rect_render(const ProtoRect *proto_rect,
  12                       Camera *camera)
  13 {
  14     trace_assert(proto_rect);
  15     trace_assert(camera);
  16
  17     if (proto_rect->active) {
  18         if (camera_fill_rect(
  19                 camera,
  20                 rect_from_points(
  21                     proto_rect->begin,
  22                     proto_rect->end),
  23                 proto_rect->color) < 0) {
  24             return -1;
  25         }
  26     }
  27
  28     return 0;
  29 }
  30
  31 int proto_rect_update(ProtoRect *proto_rect,
  32                       float delta_time)
  33 {
  34     trace_assert(proto_rect);
  35     (void) delta_time;
  36     return 0;
  37 }
  38
  39 int proto_rect_event(ProtoRect *proto_rect,
  40                      const SDL_Event *event,
  41                      const Camera *camera)
  42 {
  43     trace_assert(proto_rect);
  44     trace_assert(event);
  45
  46     if (proto_rect->active) {
  47         // Active
  48         switch (event->type) {
  49         case SDL_MOUSEBUTTONUP: {
  50             switch (event->button.button) {
  51             case SDL_BUTTON_LEFT: {
  52                 proto_rect->active = false;
  53             } break;
  54             }
  55         } break;
  56         }
  57     } else {
  58         // Inactive
  59         switch (event->type) {
  60         case SDL_MOUSEBUTTONDOWN: {
  61             switch (event->button.button) {
  62             case SDL_BUTTON_LEFT: {
  63                 proto_rect->active = true;
  64                 proto_rect->begin = camera_map_screen(
  65                     camera,
  66                     event->button.x,
  67                     event->button.y);
  68                 proto_rect->end = proto_rect->begin;
  69             } break;
  70             }
  71         } break;
  72         }
  73     }
  74
  75     return 0;
  76 }