src/client/radar.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <assert.h>
   4
   5 #include "main.h"
   6 #include "list.h"
   7 #include "tux.h"
   8 #include "arena.h"
   9
  10 #include "interface.h"
  11 #include "image.h"
  12 #include "radar.h"
  13
  14 static image_t *g_radar;
  15 static list_t *listRadar;
  16
  17 typedef struct radar_item_struct {
  18         int id;
  19         int x, y;
  20         int type;
  21 } radar_item_t;
  22
  23 static radar_item_t *newRadarItem(int id, int x, int y, int type)
  24 {
  25         radar_item_t *new;
  26
  27         new = malloc(sizeof(radar_item_t));
  28         new->id = id;
  29         new->x = x;
  30         new->y = y;
  31         new->type = type;
  32
  33         return new;
  34 }
  35
  36 static void destroyRadarItem(radar_item_t *p)
  37 {
  38         assert(p != NULL);
  39         free(p);
  40 }
  41
  42 void radar_add(int id, int x, int y, int type)
  43 {
  44         int i;
  45
  46         for (i = 0; i < listRadar->count; i++) {
  47                 radar_item_t *thisRadarItem;
  48
  49                 thisRadarItem = (radar_item_t *) listRadar->list[i];
  50
  51                 if (thisRadarItem->id == id) {
  52                         thisRadarItem->x = x;
  53                         thisRadarItem->y = y;
  54                         thisRadarItem->type = type;
  55                         return;
  56                 }
  57         }
  58
  59         list_add(listRadar, newRadarItem(id, x, y, type));
  60 }
  61
  62 void radar_del(int id)
  63 {
  64         int i;
  65
  66         for (i = 0; i < listRadar->count; i++) {
  67                 radar_item_t *thisRadarItem;
  68
  69                 thisRadarItem = (radar_item_t *) listRadar->list[i];
  70
  71                 if (thisRadarItem->id == id) {
  72                         list_del_item(listRadar, i, destroyRadarItem);
  73                         return;
  74                 }
  75         }
  76 }
  77
  78 void radar_init()
  79 {
  80         assert(image_is_inicialized() == TRUE);
  81         assert(interface_is_inicialized() == TRUE);
  82
  83         g_radar = image_add("radar.png", IMAGE_NO_ALPHA, "radar", IMAGE_GROUP_USER);
  84         listRadar = list_new();
  85 }
  86
  87 void radar_draw(arena_t *arena)
  88 {
  89         int i;
  90
  91         image_draw(g_radar, RADAR_LOCATION_X, RADAR_LOCATION_Y, 0, 0, RADAR_SIZE_X + 2, RADAR_SIZE_Y + 2);
  92
  93         for (i = 0; i < listRadar->count; i++) {
  94                 radar_item_t *thisRadarItem;
  95                 int x, y;
  96
  97                 thisRadarItem = (radar_item_t *) listRadar->list[i];
  98
  99                 x = (((float) RADAR_SIZE_X) / ((float) arena->w)) * ((float) thisRadarItem->x);
 100
 101                 y = (((float) RADAR_SIZE_Y) / ((float) arena->h)) * ((float) thisRadarItem->y);
 102
 103                 if (x >= 0 && x <= RADAR_SIZE_X && y >= 0 && y <= RADAR_SIZE_Y) {
 104                         image_draw(g_radar, RADAR_LOCATION_X + 1 + x, RADAR_LOCATION_Y + 1 + y,
 105                                    2 * thisRadarItem->type, RADAR_SIZE_Y + 2, 2, 2);
 106                 }
 107         }
 108 }
 109
 110 void radar_quit()
 111 {
 112         list_destroy_item(listRadar, destroyRadarItem);
 113 }