+++ /dev/null
-#include "util.h"
-#include "debug.h"
-#include "level.h"
-#include "player.h"
-#include "xgl.h"
-
-struct level *init_level(const char *descstr)
-{
- const char *str, *line;
- int i, j, x, ncols = 0, nrows = 0;
- struct level *lvl;
- struct cell *cell;
-
- str = line = descstr;
-
- while(*str) {
- if(*str == '\n') {
- if(ncols > 0 && str > line && str - line != ncols) {
- panic(get_pc(), "init_level: inconsistent ncols (%d != %d)\n", str - line, ncols);
- }
- ncols = str - line;
- nrows++;
- while(*++str == '\n');
- line = str;
- } else {
- str++;
- }
- }
-
- if(!ispow2(ncols)) {
- panic(get_pc(), "init_level: width is not pow2 (%d)\n", ncols);
- }
-
- lvl = malloc_nf(sizeof *lvl);
- lvl->width = ncols;
- lvl->xmask = ncols - 1;
- lvl->height = nrows;
- lvl->orgx = lvl->width >> 1;
- lvl->orgy = lvl->height >> 1;
- lvl->cells = calloc_nf(ncols * nrows, sizeof *lvl->cells);
- lvl->mobs = 0;
- lvl->items = 0;
-
- lvl->xshift = 0;
- x = ncols - 1;
- while(x) {
- x >>= 1;
- lvl->xshift++;
- }
-
- str = descstr;
- cell = lvl->cells;
-
- for(i=0; i<nrows; i++) {
- for(j=0; j<ncols; j++) {
- cell->x = j;
- cell->y = i;
- if(*str == '#') {
- cell->type = CELL_SOLID;
- } else {
- cell->type = CELL_WALK;
- switch(*str) {
- case 's':
- lvl->orgx = j;
- lvl->orgy = i;
- break;
- }
- }
- cell++;
- while(*++str == '\n') str++;
- }
- }
-
- return lvl;
-}
-
-void free_level(struct level *lvl)
-{
- void *tmp;
-
- free(lvl->cells);
-
- while(lvl->mobs) {
- tmp = lvl->mobs;
- lvl->mobs = lvl->mobs->next;
- free(tmp);
- }
- while(lvl->items) {
- tmp = lvl->items;
- lvl->items = lvl->items->next;
- free(tmp);
- }
-}
-
-struct cell *level_cell(struct level *lvl, int cx, int cy)
-{
- return lvl->cells + (cy << lvl->xshift) + cx;
-}
-
-/* generated with tools/vistab */
-struct {int dx, dy;} visoffs[8][32] = {
- /* dir 0 */
- {{-4,-4}, {4,-4}, {-3,-4}, {3,-4}, {-2,-4}, {2,-4}, {-3,-3}, {3,-3}, {-1,-4},
- {1,-4}, {0,-4}, {-2,-3}, {2,-3}, {-1,-3}, {1,-3}, {0,-3}, {-2,-2}, {2,-2},
- {-1,-2}, {1,-2}, {0,-2}, {-1,-1}, {1,-1}, {0,-1}, {0,0}},
- /* dir 1 */
- {{4,-4}, {3,-4}, {4,-3}, {2,-4}, {4,-2}, {3,-3}, {1,-4}, {4,-1}, {0,-4},
- {4,0}, {2,-3}, {3,-2}, {1,-3}, {3,-1}, {0,-3}, {3,0}, {2,-2}, {1,-2},
- {2,-1}, {0,-2}, {2,0}, {1,-1}, {0,-1}, {1,0}, {0,0}},
- /* dir 2 */
- {{4,-4}, {4,4}, {4,-3}, {4,3}, {4,-2}, {4,2}, {3,-3}, {3,3}, {4,-1}, {4,1},
- {4,0}, {3,-2}, {3,2}, {3,-1}, {3,1}, {3,0}, {2,-2}, {2,2}, {2,-1}, {2,1},
- {2,0}, {1,-1}, {1,1}, {1,0}, {0,0}},
- /* dir 3 */
- {{4,4}, {4,3}, {3,4}, {4,2}, {2,4}, {3,3}, {4,1}, {1,4}, {4,0}, {0,4},
- {3,2}, {2,3}, {3,1}, {1,3}, {3,0}, {0,3}, {2,2}, {2,1}, {1,2}, {2,0},
- {0,2}, {1,1}, {1,0}, {0,1}, {0,0}},
- /* dir 4 */
- {{-4,4}, {4,4}, {-3,4}, {3,4}, {-2,4}, {2,4}, {-3,3}, {3,3}, {-1,4}, {1,4},
- {0,4}, {-2,3}, {2,3}, {-1,3}, {1,3}, {0,3}, {-2,2}, {2,2}, {-1,2}, {1,2},
- {0,2}, {-1,1}, {1,1}, {0,1}, {0,0}},
- /* dir 5 */
- {{-4,4}, {-4,3}, {-3,4}, {-4,2}, {-2,4}, {-3,3}, {-4,1}, {-1,4}, {-4,0},
- {0,4}, {-3,2}, {-2,3}, {-3,1}, {-1,3}, {-3,0}, {0,3}, {-2,2}, {-2,1},
- {-1,2}, {-2,0}, {0,2}, {-1,1}, {-1,0}, {0,1}, {0,0}},
- /* dir 6 */
- {{-4,-4}, {-4,4}, {-4,-3}, {-4,3}, {-4,-2}, {-4,2}, {-3,-3}, {-3,3}, {-4,-1},
- {-4,1}, {-4,0}, {-3,-2}, {-3,2}, {-3,-1}, {-3,1}, {-3,0}, {-2,-2}, {-2,2},
- {-2,-1}, {-2,1}, {-2,0}, {-1,-1}, {-1,1}, {-1,0}, {0,0}},
- /* dir 7 */
- {{-4,-4}, {-3,-4}, {-4,-3}, {-2,-4}, {-4,-2}, {-3,-3}, {-1,-4}, {-4,-1},
- {0,-4}, {-4,0}, {-2,-3}, {-3,-2}, {-1,-3}, {-3,-1}, {0,-3}, {-3,0}, {-2,-2},
- {-1,-2}, {-2,-1}, {0,-2}, {-2,0}, {-1,-1}, {0,-1}, {-1,0}, {0,0}}
-};
-
-void upd_vis(struct level *lvl, struct player *p)
-{
- int dir, idx;
- int x, y;
- struct cell *cptr;
- int32_t theta;
-
- pos_to_cell(lvl, p->x, p->y, &p->cx, &p->cy);
-
- lvl->numvis = 0;
- idx = -1;
- theta = X_2PI - p->theta + X_2PI / 16;
- if(theta >= X_2PI) theta -= X_2PI;
- dir = (theta << 3) / X_2PI; /* p->theta is always [0, 2pi) */
- if(dir < 0 || dir >= 8) {
- panic(get_pc(), "dir: %d\ntheta: %d.%d (%d)\n", dir, p->theta >> 16,
- p->theta & 0xffff, p->theta);
- }
- do {
- idx++;
- x = p->cx + visoffs[dir][idx].dx;
- y = p->cy + visoffs[dir][idx].dy;
- cptr = lvl->cells + y * lvl->width + x;
- if(cptr->type != CELL_SOLID) {
- lvl->vis[lvl->numvis++] = cptr;
- }
- } while(visoffs[dir][idx].dx | visoffs[dir][idx].dy);
-}
-
-void cell_to_pos(struct level *lvl, int cx, int cy, int32_t *px, int32_t *py)
-{
- *px = (cx - lvl->orgx) * CELL_SIZE;
- *py = (cy - lvl->orgy) * CELL_SIZE;
-}
-
-void pos_to_cell(struct level *lvl, int32_t px, int32_t py, int *cx, int *cy)
-{
- *cx = (px + (CELL_SIZE >> 1)) / CELL_SIZE + lvl->orgx;
- *cy = (py + (CELL_SIZE >> 1)) / CELL_SIZE + lvl->orgy;
-}
projects / gbajam22 / blobdiff