189 lines
4.8 KiB
C
189 lines
4.8 KiB
C
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#include <stdlib.h>
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#include <stdlib.h>
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#include <ncurses.h>
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#include <string.h>
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#include <l3tde/game.h>
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#include <l3tde/map.h>
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static L3TDEMapPtr
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l3tde_game_create_default_map (void);
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static L3TDEGamePtr
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l3tde_game_create_default_game (void);
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void
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l3tde_game_render_game (L3TDEGamePtr game);
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static size_t
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l3tde_game_render_game_get_start_node (size_t current_pos,
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size_t nodes_len, size_t max);
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static void
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l3tde_game_render_game_get_start_nodes (L3TDEGamePtr game,
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int max_x, int max_y, size_t *x, size_t *y);
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void
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l3tde_game_init (void) {
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L3TDEGamePtr game = l3tde_game_create_default_game ();
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initscr ();
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raw ();;
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keypad (stdscr, TRUE);
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noecho ();
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l3tde_game_render_game (game);;
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getch ();
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refresh ();
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endwin ();
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}
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void
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l3tde_game_render_game (L3TDEGamePtr game) {
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size_t start_node_x, start_node_y;
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size_t max_node_x, max_node_y;
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size_t nodes_x_len, nodes_y_len;
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int max_x, max_y;
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getmaxyx(stdscr, max_y, max_x);
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L3TDEMapPtr current_map = game->current_map;
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nodes_x_len = current_map->nodes_x_len;
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nodes_y_len = current_map->nodes_y_len;
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l3tde_game_render_game_get_start_nodes (game,
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max_x, max_y, &start_node_x, &start_node_y);
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max_node_x = start_node_x + max_x;
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max_node_y = start_node_y + max_y;
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if (max_node_x > nodes_x_len) {
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max_node_x = nodes_x_len;
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}
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if (max_node_y > nodes_y_len) {
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max_node_y = nodes_y_len;
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}
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int printing_x = 0;
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for (size_t i = start_node_x; i<max_node_x; i++, printing_x++) {
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int printing_y = 0;
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for (size_t j = start_node_y; j<max_node_y; j++, printing_y++) {
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L3TDEMapNodePtr node = current_map->nodes[i][j];
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L3TDEMapTerrainPtr terrain = node->terrain;
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char symbol = terrain->symbol;
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mvprintw (printing_y, printing_x, "%c", symbol);
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}
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}
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}
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static void
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l3tde_game_render_game_get_start_nodes (L3TDEGamePtr game,
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int max_x, int max_y, size_t *x, size_t *y) {
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size_t nodes_x_len, nodes_y_len;
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size_t current_pos_x, current_pos_y;
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L3TDEMapPtr current_map = game->current_map;
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current_pos_x = game->x_pos;
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current_pos_y = game->y_pos;
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nodes_x_len = current_map->nodes_x_len;
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nodes_y_len = current_map->nodes_y_len;
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*x = l3tde_game_render_game_get_start_node (current_pos_x,
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nodes_x_len, max_x);
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*y = l3tde_game_render_game_get_start_node (current_pos_y,
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nodes_y_len, max_y);
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}
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static size_t
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l3tde_game_render_game_get_start_node (size_t current_pos,
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size_t nodes_len, size_t max) {
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int center = max / 2;
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size_t draw_center;
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size_t start_pos;
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if (current_pos < center) {
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draw_center = center;
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} else if (nodes_len - current_pos >= center ) {
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draw_center = nodes_len - center;
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} else {
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draw_center = current_pos;
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}
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if (center > draw_center) {
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start_pos = 0;
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} else {
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start_pos = draw_center - center;
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}
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return start_pos;
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}
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static L3TDEGamePtr
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l3tde_game_create_default_game (void) {
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L3TDEMapPtr map = l3tde_game_create_default_map ();
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L3TDEGamePtr game = l3tde_game_create (map, 0, 0);
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return game;
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}
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static L3TDEMapPtr
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l3tde_game_create_default_map (void) {
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L3TDEMapNodePtr **nodes;
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L3TDEMapHeaderPtr header;
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L3TDEMapTerrainPtr terrain;
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L3TDEMapPtr map;
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const char *terrain_name = "grass";
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const char *header_name = "all_green";
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const char *header_description = "This is dummy map where all is green.";
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size_t nodes_len = 80;
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size_t terrain_name_len = strlen (terrain_name);
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size_t header_name_len = strlen (header_name);
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size_t header_descrition_len = strlen (header_description);
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nodes = malloc (sizeof *nodes * nodes_len);
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header = l3tde_map_header_create (
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header_name, header_name_len,
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header_description, header_descrition_len);
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terrain = l3tde_map_terrain_create (
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terrain_name, terrain_name_len, '.', 0, 0);
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for (int i = 0; i < nodes_len; i++) {
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nodes[i] = malloc (sizeof **nodes * nodes_len);
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L3TDEMapNodePtr *y_nodes = nodes[i];
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for (int j = 0; j < nodes_len; j++) {
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y_nodes[j] = l3tde_map_node_create (terrain,
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L3TDE_MAP_NODE_NAVIGATION_WALKABLE);
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}
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}
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map = l3tde_map_create (header, nodes, nodes_len, nodes_len, NULL, 0);
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return map;
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}
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L3TDEGamePtr
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l3tde_game_create (L3TDEMapPtr map,
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size_t x, size_t y) {
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L3TDEGamePtr self = malloc (sizeof *self);
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self->current_map = map;
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self->x_pos = x;
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self->y_pos = y;
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return self;
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}
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void
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l3tde_game_destroy (L3TDEGamePtr self) {
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if (self->current_map) {
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l3tde_map_destroy (self->current_map);
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self->current_map = NULL;
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}
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free (self);
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}
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void l3tde_game_render () {
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}
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