dragonblocks_alpha/src/server/schematic.c

94 lines
2.1 KiB
C

#include <getline/getline.h>
#include <stdio.h>
#include <stdlib.h>
#include "server/schematic.h"
#include "server/server_node.h"
#include "terrain.h"
void schematic_load(List *schematic, const char *path, SchematicMapping *mappings, size_t num_mappings)
{
list_ini(schematic);
FILE *file = fopen(path, "r");
if (!file) {
fprintf(stderr, "[warning] failed to open schematic %s\n", path);
return;
}
char *line = NULL;
size_t siz = 0;
ssize_t length;
int count = 0;
// getline is POSIX 2008, so we can use it
while ((length = getline(&line, &siz, file)) > 0) {
count++;
if (*line == '#')
continue;
SchematicNode *node = malloc(sizeof *node);
v3s32 color;
if (sscanf(line, "%d %d %d %2x%2x%2x",
&node->pos.x, &node->pos.z, &node->pos.y,
&color.x, &color.y, &color.z) != 6) {
fprintf(stderr, "[warning] syntax error in schematic %s in line %d: %s\n",
path, count, line);
free(node);
continue;
}
SchematicMapping *mapping = NULL;
for (size_t i = 0; i < num_mappings; i++)
if (v3s32_equals(color, mappings[i].color)) {
mapping = &mappings[i];
break;
}
if (!mapping) {
fprintf(stderr, "[warning] color not mapped to node in schematic %s in line %d: %02x%02x%02x\n",
path, count, color.x, color.y, color.z);
free(node);
continue;
}
node->node = mapping->use_color
? server_node_create_color(mapping->type, (v3f32) {
(f32) color.x / 0xFF,
(f32) color.y / 0xFF,
(f32) color.z / 0xFF,
}) : server_node_create(mapping->type);
list_apd(schematic, node);
}
if (line)
free(line);
fclose(file);
}
void schematic_place(List *schematic, v3s32 pos, TerrainGenStage tgs, List *changed_chunks)
{
LIST_ITERATE(schematic, list_node) {
SchematicNode *node = list_node->dat;
server_terrain_gen_node(
v3s32_add(pos, node->pos),
server_node_copy(node->node),
tgs, changed_chunks);
}
}
static void delete_schematic_node(SchematicNode *node)
{
server_node_delete(&node->node);
free(node);
}
void schematic_delete(List *schematic)
{
list_clr(schematic, &delete_schematic_node, NULL, NULL);
}