X-Git-Url: https://plomlompom.com/repos/%7B%7B%20web_path%20%7D%7D/decks/%7B%7Bdeck_id%7D%7D/cards/%7B%7Bcard_id%7D%7D/static/git-logo.png?a=blobdiff_plain;f=src%2Froguelike.c;h=0ec8194fb75d27031e6efdbf6bc90e1d1125e83c;hb=f29ca8b607b7e7cdb23ba90c491aaee2e294633d;hp=a4db13ca22db478f5c9dccda4a28012492e8164f;hpb=714bf970109b33005e0ab3e588d818460ccdc304;p=plomrogue diff --git a/src/roguelike.c b/src/roguelike.c index a4db13c..0ec8194 100644 --- a/src/roguelike.c +++ b/src/roguelike.c @@ -1,6 +1,5 @@ #include "roguelike.h" #include -#include #include #include #include @@ -10,6 +9,7 @@ #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. @@ -42,54 +42,16 @@ void update_log (struct World * world, char * text) { 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. @@ -110,6 +72,7 @@ void save_game(struct World * world) { 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); } @@ -226,6 +189,7 @@ int main (int argc, char *argv[]) { 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); }