#include "roguelike.h"
#include <stdlib.h>
-#include <stdint.h>
#include <ncurses.h>
#include <string.h>
#include <time.h>
#include "keybindings.h"
#include "readwrite.h"
#include "objects_on_map.h"
+#include "map.h"
uint16_t rrand(char use_seed, uint32_t new_seed) {
// Pseudo-random number generator (LGC algorithm). Use instead of rand() to ensure portable predictability.
free(world->log);
world->log = new_text; }
-struct Map init_map () {
-// Initialize map with some experimental start values.
- struct Map map;
- map.size.x = 64;
- map.size.y = 64;
- map.offset.x = 0;
- map.offset.y = 0;
- uint32_t size = map.size.x * map.size.y;
- map.cells = malloc(size);
- uint16_t y, x;
- for (y = 0; y < map.size.y; y++)
- for (x = 0; x < map.size.x; x++)
- map.cells[(y * map.size.x) + x] = '~';
- map.cells[size / 2 + (map.size.x / 2)] = '.';
- uint32_t curpos;
- while (1) {
- y = rrand(0, 0) % map.size.y;
- x = rrand(0, 0) % map.size.x;
- curpos = y * map.size.x + x;
- if ('~' == map.cells[curpos] &&
- ( (curpos >= map.size.x && '.' == map.cells[curpos - map.size.x])
- || (curpos < map.size.x * (map.size.y-1) && '.' == map.cells[curpos + map.size.x])
- || (curpos > 0 && curpos % map.size.x != 0 && '.' == map.cells[curpos-1])
- || (curpos < (map.size.x * map.size.y) && (curpos+1) % map.size.x != 0 && '.' == map.cells[curpos+1]))) {
- if (y == 0 || y == map.size.y - 1 || x == 0 || x == map.size.x - 1)
- break;
- map.cells[y * map.size.x + x] = '.'; } }
- return map; }
-
-void map_scroll (struct Map * map, char dir, struct yx_uint16 win_size) {
-// Scroll map into direction dir if possible by changing the offset.
- if (NORTH == dir && map->offset.y > 0)
- map->offset.y--;
- else if (WEST == dir && map->offset.x > 0)
- map->offset.x--;
- else if (SOUTH == dir && map->offset.y + win_size.y < map->size.y)
- map->offset.y++;
- else if (EAST == dir && map->offset.x + win_size.x < map->size.x)
- map->offset.x++; }
-
-void map_center_player (struct Map * map, struct Player * player, struct yx_uint16 win_size) {
-// Center map on player.
- if (player->pos.y < win_size.y / 2) map->offset.y = 0;
- else if (player->pos.y < map->size.y - (win_size.y / 2)) map->offset.y = player->pos.y - (win_size.y / 2);
- else map->offset.y = map->size.y - win_size.y;
- if (player->pos.x < win_size.x / 2) map->offset.x = 0;
- else if (player->pos.x < map->size.x - (win_size.x / 2)) map->offset.x = player->pos.x - (win_size.x / 2);
- else map->offset.x = map->size.x - win_size.x; }
+uint16_t center_offset (uint16_t pos, uint16_t mapsize, uint16_t framesize) {
+// Return the offset for display of a map inside a frame centered on pos.
+ uint16_t offset = 0;
+ if (mapsize > framesize) {
+ if (pos > framesize / 2) {
+ if (pos < mapsize - (framesize / 2))
+ offset = pos - (framesize / 2);
+ else
+ offset = mapsize - framesize; } }
+ return offset; }
void turn_over (struct World * world, char action) {
// Record action in game record file, increment turn and move enemy.
write_uint32_bigendian(world->turn, file);
write_uint16_bigendian(world->player->pos.y + 1, file);
write_uint16_bigendian(world->player->pos.x + 1, file);
+ fputc(world->player->hitpoints, file);
write_map_objects (world->monster, file, write_map_objects_monsterdata);
write_map_objects (world->item, file, readwrite_map_objects_dummy);
fclose(file); }
world.turn = read_uint32_bigendian(file);
player.pos.y = read_uint16_bigendian(file) - 1;
player.pos.x = read_uint16_bigendian(file) - 1;
+ player.hitpoints = fgetc(file);
read_map_objects (&world.monster, file, sizeof(struct Monster), read_map_objects_monsterdata);
read_map_objects (&world.item, file, sizeof(struct Item), readwrite_map_objects_dummy);
fclose(file); }