282 lines
5.5 KiB
C
282 lines
5.5 KiB
C
#include "level.h"
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#include "conf.h"
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#include "missile.h"
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#include "player.h"
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#include "polarity.h"
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#include "tile.h"
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#include "util.h"
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#include "vec.h"
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#include "visual_data.h"
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#include <fcntl.h>
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#include <gint/display.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <unistd.h>
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static struct Level level;
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struct LevelBin *user_level = NULL;
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extern bopti_image_t bimg_tileset;
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extern struct LevelBin kble_test, kble_burn, kble_bounce, kble_worm, kble_shake,
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kble_tilt, kble_cave, kble_headtrauma, kble_gimmick, kble_failure,
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kble_design, kble_safe, kble_harder;
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static const struct LevelBinNamed levels[] = {
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{&kble_test, "gentle introduction"},
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{&kble_safe, "area 102"},
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{&kble_harder, "harder the fall"},
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{&kble_design, "this is my design"},
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{&kble_failure, "insert a coin"},
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{&kble_cave, "the light at the end of the tunnel"},
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{&kble_gimmick, "sell your gimmick"},
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{&kble_headtrauma, "minefield"},
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{&kble_burn, "these are rare"},
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{&kble_bounce, "deceptive road"},
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{&kble_shake, "breaking into reality"},
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{&kble_tilt, "tilted"},
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{&kble_worm, "under your skin"},
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{NULL, NULL}};
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static void level_free(void);
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static void load(const struct LevelBin *);
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void
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level_init(struct Player *p)
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{
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level.data = NULL;
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level.visual_data = NULL;
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level.player = p;
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}
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void
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level_deinit(void)
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{
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level_free();
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if (user_level != NULL) {
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free(user_level);
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user_level = NULL;
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}
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}
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void
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level_load(int id)
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{
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const struct LevelBin *const b = levels[id].bin;
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load(b);
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level.id = id;
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}
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void
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level_save_kble(const char *path)
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{
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const ssize_t fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
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unsigned char data[LEVELBIN_SIZE] = {0};
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int i;
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data[0] = 0;
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data[1] = 1;
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data[3] = level.width;
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data[5] = level.height;
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i = level.size;
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while (i-- > 0)
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data[i + 6] = level.data[i];
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if (fd >= 0) {
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write(fd, data, sizeof(data));
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close(fd);
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}
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}
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void
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level_load_kble(const char *path)
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{
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const ssize_t fd = open(path, O_RDONLY);
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if (user_level == NULL) {
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user_level = malloc(LEVELBIN_SIZE);
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if (user_level == NULL) return;
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}
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if (fd >= 0) {
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size_t bytes;
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bytes = read(fd, user_level, LEVELBIN_SIZE);
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close(fd);
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if (bytes != LEVELBIN_SIZE) return;
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if (user_level->format != 0) return;
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if (user_level->chunk_size != 1) return;
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if (user_level->width != LEVEL_WIDTH) return;
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if (user_level->height != LEVEL_HEIGHT) return;
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}
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}
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void
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level_load_kble_followup(void)
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{
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if (user_level != NULL) {
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load(user_level);
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level_regen_visual_data(1);
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}
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}
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void
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level_reload(void)
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{
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level_load(level.id);
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}
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void
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level_next(void)
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{
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if (levels[level.id + 1].bin != NULL)
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level_load(level.id + 1);
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else
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level_reload();
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}
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void
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level_regen_visual_data(int editing)
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{
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const int tileset_width = bimg_tileset.width / TILE_SIZE;
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int y = level.height;
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while (y-- > 0) {
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int x = level.width;
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while (x-- > 0) {
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const int i = x + y * level.width;
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const int tile = level.data[i];
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struct VisualData *const vd = &level.visual_data[i];
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vd->x = x * TILE_SIZE;
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vd->y = y * TILE_SIZE;
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vd->img_x = tile % tileset_width * TILE_SIZE;
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vd->img_y = (int)(tile / tileset_width) * TILE_SIZE;
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vd->visible = tile != 0;
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if (editing) continue;
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switch (tile) {
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case TILE_RED:
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case TILE_BURN_RED:
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vd->img_y += polarity() ? TILE_SIZE : 0;
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break;
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case TILE_BLUE:
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case TILE_BURN_BLUE:
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vd->img_y += polarity() ? 0 : TILE_SIZE;
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break;
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default:
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break;
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}
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}
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}
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}
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void
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level_draw(void)
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{
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int i = level.size;
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while (i-- > 0) {
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const struct VisualData *const vd = &level.visual_data[i];
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if (vd->visible) {
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dsubimage(vd->x + DRAW_OFF_X, vd->y, &bimg_tileset,
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vd->img_x, vd->img_y, TILE_SIZE, TILE_SIZE,
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0);
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}
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}
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}
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void
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level_draw_name(void)
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{
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dputs_outline(DWIDTH - 4, DHEIGHT - 2, DTEXT_RIGHT, DTEXT_BOTTOM,
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levels[level.id].name);
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}
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int
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level_get(int x, int y)
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{
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if (x < 0 || y < 0 || x >= level.width || y >= level.height)
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return TILE_OOB;
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return level.data[x + y * level.width];
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}
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int
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level_get_px(int x, int y)
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{
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return level_get(x / TILE_SIZE, y / TILE_SIZE);
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}
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void
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level_set(int x, int y, int v)
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{
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if (x < 0 || y < 0 || x >= level.width || y >= level.height) return;
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level.data[x + y * level.width] = v;
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}
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void
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level_set_px(int x, int y, int v)
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{
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level_set(x / TILE_SIZE, y / TILE_SIZE, v);
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}
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struct Vec
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level_find(enum Tile t)
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{
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int i = level.size;
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while (i-- > 0 && level.data[i] != t)
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;
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return (struct Vec){i % level.width, i / level.width};
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}
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int
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level_count(enum Tile t)
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{
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int c = 0;
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int i = level.size;
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while (i-- > 0)
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c += level.data[i] == t;
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return c;
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}
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static void
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load(const struct LevelBin *b)
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{
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int i = b->width * b->height;
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level_free();
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level.width = b->width;
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level.height = b->height;
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level.size = i;
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level.data = malloc(i);
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level.visual_data = malloc(i * sizeof(struct VisualData));
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while (i-- > 0)
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level.data[i] = b->data[i];
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polarity_reset();
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level_regen_visual_data(0);
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player_spawn(level.player);
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/* missiles */
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missile_manager_init();
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i = level.size;
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while (i-- > 0)
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if (level.data[i] == TILE_MISSILE_LAUNCHER)
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missile_new(i % level.width * TILE_SIZE + TILE_SIZE / 2,
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(int)(i / level.width) * TILE_SIZE +
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TILE_SIZE / 2);
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}
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struct Vec
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level_dim(void)
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{
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return (struct Vec){level.width, level.height};
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}
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static void
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level_free(void)
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{
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if (level.data != NULL) {
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free(level.data);
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level.data = NULL;
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}
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if (level.visual_data != NULL) {
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free(level.visual_data);
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level.visual_data = NULL;
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}
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}
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