X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Flevel.c;h=383ebb5ffd14e1c1e906943af905584978922c8c;hb=2562604c2c0de321b67317f315a52335a60b708f;hp=9e5fe44c633fcffa989af1eb6fdeb6cf64203b7f;hpb=6066118fc6a58b379f52b9aaaf45200b136812b9;p=vrlugburz

diff --git a/src/level.c b/src/level.c
index 9e5fe44..383ebb5 100644
--- a/src/level.c
+++ b/src/level.c
@@ -10,12 +10,16 @@ static int load_tileset(struct level *lvl, struct ts_node *tsn);
 
 int init_level(struct level *lvl, int xsz, int ysz)
 {
+	memset(lvl, 0, sizeof *lvl);
+
 	if(!(lvl->cells = calloc(xsz * ysz, sizeof *lvl->cells))) {
 		free(lvl);
 		return -1;
 	}
 	lvl->width = xsz;
 	lvl->height = ysz;
+	lvl->cell_size = DEF_CELL_SIZE;
+	lvl->px = lvl->py = -1;
 	return 0;
 }
 
@@ -30,13 +34,9 @@ void destroy_level(struct level *lvl)
 int load_level(struct level *lvl, const char *fname)
 {
 	struct ts_node *ts, *node, *iter;
-	int sz, cx, cy;
+	int i, j, sz, cx, cy;
 	struct cell *cell;
-
-	lvl->fname = strdup(fname);
-	if((lvl->dirname = malloc(strlen(fname) + 1))) {
-		path_dir(lvl->fname, lvl->dirname);
-	}
+	float *vecptr;
 
 	if(!(ts = ts_load(fname))) {
 		fprintf(stderr, "failed to load level: %s\n", fname);
@@ -58,6 +58,20 @@ int load_level(struct level *lvl, const char *fname)
 		return -1;
 	}
 
+	lvl->fname = strdup(fname);
+	if((lvl->dirname = malloc(strlen(fname) + 1))) {
+#ifndef LEVEL_EDITOR
+		path_dir(lvl->fname, lvl->dirname);
+#endif
+	}
+
+	lvl->cell_size = ts_get_attr_num(ts, "cellsize", DEF_CELL_SIZE);
+
+	if((vecptr = ts_get_attr_vec(ts, "player", 0))) {
+		lvl->px = vecptr[0];
+		lvl->py = vecptr[1];
+	}
+
 	iter = ts->child_list;
 	while(iter) {
 		node = iter;
@@ -75,7 +89,40 @@ int load_level(struct level *lvl, const char *fname)
 			}
 			cell = lvl->cells + cy * sz + cx;
 			cell->type = ts_get_attr_int(node, "blocked", 0) ? CELL_BLOCKED : CELL_WALK;
-			/* TODO wall tiles and detail objects */
+
+			/* abuse the next pointer to hang the treestore node temporarilly */
+			cell->next = (struct cell*)node;
+		}
+	}
+
+	/* assign wall types to all occupied cells */
+	cell = lvl->cells;
+	for(i=0; i<lvl->height; i++) {
+		for(j=0; j<lvl->width; j++) {
+			if(cell->type == CELL_SOLID) {
+				cell++;
+				continue;
+			}
+
+			/* TODO take wall choice from the level file into account */
+			/* TODO detect corners */
+			node = (struct ts_node*)cell->next;
+			cell->next = 0;
+
+			if(i >= lvl->height - 1 || cell[lvl->width].type == CELL_SOLID) {
+				cell->wall[0] = TILE_STRAIGHT;
+			}
+			if(j >= lvl->width - 1 || cell[1].type == CELL_SOLID) {
+				cell->wall[1] = TILE_STRAIGHT;
+			}
+			if(i <= 0 || cell[-lvl->width].type == CELL_SOLID) {
+				cell->wall[2] = TILE_STRAIGHT;
+			}
+			if(j <= 0 || cell[-1].type == CELL_SOLID) {
+				cell->wall[3] = TILE_STRAIGHT;
+			}
+
+			cell++;
 		}
 	}
 
@@ -102,6 +149,20 @@ int save_level(struct level *lvl, const char *fname)
 	ts_set_valuei(&attr->val, lvl->width);
 	ts_add_attr(root, attr);
 
+	if(lvl->cell_size && (attr = ts_alloc_attr())) {
+		ts_set_attr_name(attr, "cellsize");
+		ts_set_valuef(&attr->val, lvl->cell_size);
+		ts_add_attr(root, attr);
+	}
+
+	if(lvl->px >= 0 && lvl->px < lvl->width && lvl->py >= 0 && lvl->py < lvl->height) {
+		if((attr = ts_alloc_attr())) {
+			ts_set_attr_name(attr, "player");
+			ts_set_valueiv(&attr->val, 2, lvl->px, lvl->py);
+			ts_add_attr(root, attr);
+		}
+	}
+
 	for(i=0; i<lvl->height; i++) {
 		for(j=0; j<lvl->width; j++) {
 			cell = lvl->cells + i * lvl->width + j;
@@ -151,9 +212,11 @@ err:
 	return -1;
 }
 
+#ifndef LEVEL_EDITOR
+
 static int load_tileset(struct level *lvl, struct ts_node *tsn)
 {
-	static const char *tile_types[] = {"straight", "corner", "door", 0};
+	static const char *tile_types[] = {"empty", "straight", "corner", "door", 0};
 
 	int i;
 	char *path;
@@ -203,3 +266,100 @@ static int load_tileset(struct level *lvl, struct ts_node *tsn)
 
 	return 0;
 }
+
+struct tile *find_level_tile(struct level *lvl, int type)
+{
+	struct tile *tile = lvl->tiles;
+	while(tile) {
+		if(tile->type == type) {
+			return tile;
+		}
+		tile = tile->next;
+	}
+	return 0;
+}
+
+int gen_cell_geom(struct level *lvl, struct cell *cell)
+{
+	int i;
+	struct meshgroup *wallgeom;
+	struct tile *tstr;
+	struct mesh *mesh, *tmesh;
+	float xform[16];
+
+	if(!(tstr = find_level_tile(lvl, TILE_STRAIGHT))) {
+		return -1;
+	}
+
+	if(!(wallgeom = malloc(sizeof *wallgeom))) {
+		return -1;
+	}
+	init_meshgroup(wallgeom);
+
+	for(i=0; i<4; i++) {
+		if(cell->wall[i] == TILE_STRAIGHT) {	/* TODO: support other wall types */
+			cgm_mrotation_y(xform, i * M_PI / 2.0f);
+
+			tmesh = tstr->scn.meshlist;
+			while(tmesh) {
+				if(!(mesh = malloc(sizeof *mesh))) {
+					return -1;
+				}
+
+				/* create a copy of the tile mesh */
+				if(copy_mesh(mesh, tmesh) == -1) {
+					free(mesh);
+					return -1;
+				}
+				if(i) xform_mesh(mesh, xform);	/* rotate it to match the wall angle */
+
+				/* add it to the level meshlist */
+				mesh->next = lvl->meshlist;
+				lvl->meshlist = mesh;
+
+				/* add it to the meshgroup */
+				if(add_meshgroup_mesh(wallgeom, mesh) == -1) {
+					destroy_mesh(mesh);
+					free(mesh);
+					return -1;
+				}
+
+				tmesh = tmesh->next;
+			}
+		}
+	}
+
+	/* TODO: append to other existing meshgroups for detail objects */
+	cell->mgrp = wallgeom;
+	cell->num_mgrp = 1;
+
+	return 0;
+}
+
+int gen_level_geom(struct level *lvl)
+{
+	int i, j;
+	struct cell *cell;
+
+	for(i=0; i<lvl->height; i++) {
+		for(j=0; j<lvl->width; j++) {
+			cell = lvl->cells + i * lvl->width + j;
+			if(cell->type != CELL_SOLID) {
+				if(gen_cell_geom(lvl, cell) == -1) {
+					printf("failed to generate cell\n");
+					return -1;
+				}
+			}
+		}
+	}
+	return 0;
+}
+
+#else
+
+static int load_tileset(struct level *lvl, struct ts_node *tsn)
+{
+	return 0;		/* in the level editor we don't need tileset loading */
+}
+
+#endif	/* !LEVEL_EDITOR */