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server/src/bind_region.c

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/*
+-------------------+
| | Enno Rehling <enno@eressea.de>
| Eressea PBEM host | Christian Schlittchen <corwin@amber.kn-bremen.de>
| (c) 1998 - 2008 | Katja Zedel <katze@felidae.kn-bremen.de>
| | Henning Peters <faroul@beyond.kn-bremen.de>
+-------------------+
This program may not be used, modified or distributed
without prior permission by the authors of Eressea.
*/
#include <platform.h>
#include "bind_region.h"
#include "bind_unit.h"
#include "bind_ship.h"
#include "bind_dict.h"
#include "bind_building.h"
#include "chaos.h"
#include <kernel/config.h>
#include <kernel/region.h>
#include <kernel/resources.h>
#include <kernel/unit.h>
#include <kernel/region.h>
#include <kernel/item.h>
#include <kernel/build.h>
#include <kernel/building.h>
#include <kernel/ship.h>
#include <kernel/plane.h>
#include <kernel/terrain.h>
#include <modules/autoseed.h>
#include <attributes/key.h>
#include <attributes/racename.h>
#include <util/attrib.h>
#include <util/base36.h>
#include <critbit.h>
#include <util/language.h>
#include <util/log.h>
#include <tolua.h>
#include <assert.h>
#include <string.h>
#include <stdlib.h>
int tolua_regionlist_next(lua_State * L)
{
region **region_ptr = (region **)lua_touserdata(L, lua_upvalueindex(1));
region *r = *region_ptr;
if (r != NULL) {
tolua_pushusertype(L, (void *)r, TOLUA_CAST "region");
*region_ptr = r->next;
return 1;
}
else
return 0; /* no more values to return */
}
static int tolua_region_get_id(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
lua_pushinteger(L, self->uid);
return 1;
}
static int tolua_region_get_blocked(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
lua_pushboolean(L, (self->flags&RF_BLOCKED) != 0);
return 1;
}
static int tolua_region_set_blocked(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
bool flag = !!tolua_toboolean(L, 2, 1);
if (flag) self->flags |= BLD_WORKING;
else self->flags &= ~BLD_WORKING;
return 0;
}
static int tolua_region_get_x(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
lua_pushinteger(L, self->x);
return 1;
}
static int tolua_region_get_y(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
lua_pushinteger(L, self->y);
return 1;
}
static int tolua_region_get_plane(lua_State * L)
{
region *r = (region *)tolua_tousertype(L, 1, 0);
tolua_pushusertype(L, rplane(r), TOLUA_CAST "plane");
return 1;
}
static int tolua_region_get_terrain(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
tolua_pushstring(L, self->terrain->_name);
return 1;
}
static int tolua_region_set_terrain(lua_State * L)
{
region *r = (region *)tolua_tousertype(L, 1, 0);
const char *tname = tolua_tostring(L, 2, 0);
if (tname) {
const terrain_type *terrain = get_terrain(tname);
if (terrain) {
terraform_region(r, terrain);
}
}
return 0;
}
static int tolua_region_get_terrainname(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
attrib *a = a_find(self->attribs, &at_racename);
if (a) {
tolua_pushstring(L, get_racename(a));
return 1;
}
return 0;
}
static int tolua_region_set_owner(lua_State * L)
{
region *r = (region *)tolua_tousertype(L, 1, 0);
struct faction *f = (struct faction *)tolua_tousertype(L, 2, 0);
if (r) {
region_set_owner(r, f, turn);
}
return 0;
}
static int tolua_region_get_owner(lua_State * L)
{
region *r = (region *)tolua_tousertype(L, 1, 0);
if (r) {
struct faction *f = region_get_owner(r);
tolua_pushusertype(L, f, TOLUA_CAST "faction");
return 1;
}
return 0;
}
static int tolua_region_set_terrainname(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
const char *name = tolua_tostring(L, 2, 0);
if (name == NULL) {
a_removeall(&self->attribs, &at_racename);
}
else {
set_racename(&self->attribs, name);
}
return 0;
}
static int tolua_region_get_info(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
tolua_pushstring(L, region_getinfo(self));
return 1;
}
static int tolua_region_set_info(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
region_setinfo(self, tolua_tostring(L, 2, 0));
return 0;
}
static int tolua_region_get_name(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
tolua_pushstring(L, region_getname(self));
return 1;
}
static int tolua_region_set_name(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
region_setname(self, tolua_tostring(L, 2, 0));
return 0;
}
static int tolua_region_get_morale(lua_State * L)
{
region *r = (region *)tolua_tousertype(L, 1, 0);
lua_pushinteger(L, region_get_morale(r));
return 1;
}
static int tolua_region_set_morale(lua_State * L)
{
region *r = (region *)tolua_tousertype(L, 1, 0);
region_set_morale(r, (int)tolua_tonumber(L, 2, 0), turn);
return 0;
}
static int tolua_region_get_adj(lua_State * L)
{
region *r = (region *)tolua_tousertype(L, 1, 0);
region *rn[MAXDIRECTIONS];
int d, idx;
get_neighbours(r, rn);
lua_createtable(L, MAXDIRECTIONS, 0);
for (d = 0, idx = 0; d != MAXDIRECTIONS; ++d) {
if (rn[d]) {
tolua_pushusertype(L, rn[d], TOLUA_CAST "region");
lua_rawseti(L, -2, ++idx);
}
}
return 1;
}
static int tolua_region_get_luxury(lua_State * L)
{
region *r = (region *)tolua_tousertype(L, 1, 0);
if (r->land) {
const item_type *lux = r_luxury(r);
if (lux) {
const char *name = lux->rtype->_name;
tolua_pushstring(L, name);
return 1;
}
}
return 0;
}
static int tolua_region_set_luxury(lua_State * L)
{
region *r = (region *)tolua_tousertype(L, 1, 0);
const char *name = tolua_tostring(L, 2, 0);
if (r->land && name) {
const item_type *lux = r_luxury(r);
const item_type *itype = it_find(name);
if (lux && itype && lux != itype) {
r_setdemand(r, lux->rtype->ltype, 1);
r_setdemand(r, itype->rtype->ltype, 0);
}
}
return 0;
}
static int tolua_region_set_herb(lua_State * L)
{
region *r = (region *)tolua_tousertype(L, 1, 0);
if (r->land) {
const char *name = tolua_tostring(L, 2, 0);
const item_type *itype = it_find(name);
if (itype && (itype->flags & ITF_HERB)) {
r->land->herbtype = itype;
}
}
return 0;
}
static int tolua_region_get_herb(lua_State * L)
{
region *r = (region *)tolua_tousertype(L, 1, 0);
if (r->land && r->land->herbtype) {
const char *name = r->land->herbtype->rtype->_name;
tolua_pushstring(L, name);
return 1;
}
return 0;
}
static int tolua_region_get_next(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
direction_t dir = (direction_t)tolua_tonumber(L, 2, 0);
if (dir >= 0 && dir < MAXDIRECTIONS) {
tolua_pushusertype(L, (void *)r_connect(self, dir), TOLUA_CAST "region");
return 1;
}
return 0;
}
static int tolua_region_get_flag(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
int bit = (int)tolua_tonumber(L, 2, 0);
lua_pushboolean(L, (self->flags & (1 << bit)));
return 1;
}
static int tolua_region_set_flag(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
int bit = (int)tolua_tonumber(L, 2, 0);
int set = tolua_toboolean(L, 3, 1);
if (set)
self->flags |= (1 << bit);
else
self->flags &= ~(1 << bit);
return 0;
}
static int tolua_region_get_resourcelevel(lua_State * L)
{
region *r = (region *)tolua_tousertype(L, 1, 0);
const char *type = tolua_tostring(L, 2, 0);
const resource_type *rtype = rt_find(type);
if (rtype != NULL) {
const rawmaterial *rm;
for (rm = r->resources; rm; rm = rm->next) {
if (rm->type->rtype == rtype) {
lua_pushinteger(L, rm->level);
return 1;
}
}
}
return 0;
}
#define LUA_ASSERT(c, s) if (!(c)) { log_error("%s(%d): %s\n", __FILE__, __LINE__, (s)); return 0; }
static critbit_tree * special_resources(void)
{
static critbit_tree cb = CRITBIT_TREE();
if (!cb.root) {
const char * special[] = { "seed", "sapling", "tree", "grave", "chaos", 0 };
char buffer[32];
int i;
for (i = 0; special[i]; ++i) {
size_t len = strlen(special[i]);
len = cb_new_kv(special[i], len, &i, sizeof(int), buffer);
cb_insert(&cb, buffer, len);
}
}
return &cb;
}
static int tolua_region_get_resource(lua_State * L)
{
region *r;
const char *type;
const resource_type *rtype;
int result = 0;
void * match;
critbit_tree * cb = special_resources();
r = (region *)tolua_tousertype(L, 1, 0);
LUA_ASSERT(r != NULL, "invalid parameter");
type = tolua_tostring(L, 2, 0);
LUA_ASSERT(type != NULL, "invalid parameter");
if (cb_find_prefix(cb, type, strlen(type) + 1, &match, 1, 0)) {
cb_get_kv(match, &result, sizeof(result));
switch (result) {
case 0:
case 1:
case 2:
result = rtrees(r, result);
break;
case 3:
result = deathcount(r);
break;
case 4:
result = get_chaoscount(r);
break;
}
}
else {
rtype = rt_find(type);
if (rtype) {
result = region_getresource(r, rtype);
}
else {
result = -1;
}
}
lua_pushinteger(L, result);
return 1;
}
static int tolua_region_set_resource(lua_State * L)
{
region *r = (region *)tolua_tousertype(L, 1, 0);
const char *type = tolua_tostring(L, 2, 0);
int result, value = (int)tolua_tonumber(L, 3, 0);
critbit_tree * cb = special_resources();
void * match;
if (cb_find_prefix(cb, type, strlen(type) + 1, &match, 1, 0)) {
cb_get_kv(match, &result, sizeof(result));
switch (result) {
case 0:
case 1:
case 2:
rsettrees(r, result, value);
break;
case 3:
deathcounts(r, value - deathcount(r));
break;
case 4:
add_chaoscount(r, value - get_chaoscount(r));
break;
}
}
else {
const resource_type *rtype = rt_find(type);
if (rtype != NULL) {
region_setresource(r, rtype, value);
}
}
return 0;
}
static int tolua_region_get_objects(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
tolua_pushusertype(L, (void *)&self->attribs, USERTYPE_DICT);
return 1;
}
static int tolua_region_destroy(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
remove_region(&regions, self);
return 0;
}
static int tolua_region_create(lua_State * L)
{
int x = (int)tolua_tonumber(L, 1, 0);
int y = (int)tolua_tonumber(L, 2, 0);
const char *tname = tolua_tostring(L, 3, 0);
if (tname) {
plane *pl = findplane(x, y);
const terrain_type *terrain = get_terrain(tname);
region *r, *result;
if (!terrain) {
return 0;
}
assert(!pnormalize(&x, &y, pl));
r = result = findregion(x, y);
if (r != NULL && r->units != NULL) {
/* TODO: error message */
result = NULL;
}
else if (r == NULL) {
result = new_region(x, y, pl, 0);
}
if (result) {
terraform_region(result, terrain);
if (result->land) {
fix_demand(result);
}
}
tolua_pushusertype(L, result, TOLUA_CAST "region");
return 1;
}
return 0;
}
static int tolua_region_get_units(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
unit **unit_ptr = (unit **)lua_newuserdata(L, sizeof(unit *));
luaL_getmetatable(L, "unit");
lua_setmetatable(L, -2);
*unit_ptr = self->units;
lua_pushcclosure(L, tolua_unitlist_next, 1);
return 1;
}
static int tolua_region_get_buildings(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
building **building_ptr =
(building **)lua_newuserdata(L, sizeof(building *));
luaL_getmetatable(L, "building");
lua_setmetatable(L, -2);
*building_ptr = self->buildings;
lua_pushcclosure(L, tolua_buildinglist_next, 1);
return 1;
}
static int tolua_region_get_ships(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
ship **ship_ptr = (ship **)lua_newuserdata(L, sizeof(ship *));
luaL_getmetatable(L, "ship");
lua_setmetatable(L, -2);
*ship_ptr = self->ships;
lua_pushcclosure(L, tolua_shiplist_next, 1);
return 1;
}
static int tolua_region_get_age(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
if (self) {
lua_pushinteger(L, self->age);
return 1;
}
return 0;
}
static int tolua_region_getkey(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
const char *name = tolua_tostring(L, 2, 0);
int flag = atoi36(name);
attrib *a = find_key(self->attribs, flag);
lua_pushboolean(L, a != NULL);
return 1;
}
static int tolua_region_setkey(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
const char *name = tolua_tostring(L, 2, 0);
int value = tolua_toboolean(L, 3, 0);
int flag = atoi36(name);
attrib *a = find_key(self->attribs, flag);
if (a == NULL && value) {
add_key(&self->attribs, flag);
}
else if (a != NULL && !value) {
a_remove(&self->attribs, a);
}
return 0;
}
static int tolua_region_tostring(lua_State * L)
{
region *self = (region *)tolua_tousertype(L, 1, 0);
lua_pushstring(L, regionname(self, NULL));
return 1;
}
static int tolua_plane_get(lua_State * L)
{
int id = (int)tolua_tonumber(L, 1, 0);
plane *pl = getplanebyid(id);
tolua_pushusertype(L, pl, TOLUA_CAST "plane");
return 1;
}
static int tolua_plane_create(lua_State * L)
{
int id = (int)tolua_tonumber(L, 1, 0);
int x = (int)tolua_tonumber(L, 2, 0);
int y = (int)tolua_tonumber(L, 3, 0);
int width = (int)tolua_tonumber(L, 4, 0);
int height = (int)tolua_tonumber(L, 5, 0);
const char *name = tolua_tostring(L, 6, 0);
plane *pl;
pl = create_new_plane(id, name, x, x + width - 1, y, y + height - 1, 0);
tolua_pushusertype(L, pl, TOLUA_CAST "plane");
return 1;
}
static int tolua_plane_get_name(lua_State * L)
{
plane *self = (plane *)tolua_tousertype(L, 1, 0);
tolua_pushstring(L, self->name);
return 1;
}
static int tolua_plane_set_name(lua_State * L)
{
plane *self = (plane *)tolua_tousertype(L, 1, 0);
const char *str = tolua_tostring(L, 2, 0);
free(self->name);
if (str)
self->name = _strdup(str);
else
self->name = 0;
return 0;
}
static int tolua_plane_get_id(lua_State * L)
{
plane *self = (plane *)tolua_tousertype(L, 1, 0);
lua_pushinteger(L, self->id);
return 1;
}
static int tolua_plane_normalize(lua_State * L)
{
plane *self = (plane *)tolua_tousertype(L, 1, 0);
int x = (int)tolua_tonumber(L, 2, 0);
int y = (int)tolua_tonumber(L, 3, 0);
pnormalize(&x, &y, self);
lua_pushinteger(L, x);
lua_pushinteger(L, y);
return 2;
}
static int tolua_plane_tostring(lua_State * L)
{
plane *self = (plane *)tolua_tousertype(L, 1, 0);
lua_pushstring(L, self->name);
return 1;
}
static int tolua_plane_get_size(lua_State * L)
{
plane *pl = (plane *)tolua_tousertype(L, 1, 0);
lua_pushinteger(L, plane_width(pl));
lua_pushinteger(L, plane_height(pl));
return 2;
}
static int tolua_distance(lua_State * L)
{
int x1 = (int)tolua_tonumber(L, 1, 0);
int y1 = (int)tolua_tonumber(L, 2, 0);
int x2 = (int)tolua_tonumber(L, 3, 0);
int y2 = (int)tolua_tonumber(L, 4, 0);
plane *pl = (plane *)tolua_tousertype(L, 5, 0);
int result;
if (!pl)
pl = get_homeplane();
pnormalize(&x1, &y1, pl);
pnormalize(&x2, &y2, pl);
result = koor_distance(x1, y1, x2, y2);
lua_pushinteger(L, result);
return 1;
}
void tolua_region_open(lua_State * L)
{
/* register user types */
tolua_usertype(L, TOLUA_CAST "region");
tolua_usertype(L, TOLUA_CAST "plane");
tolua_module(L, NULL, 0);
tolua_beginmodule(L, NULL);
{
tolua_function(L, TOLUA_CAST "distance", tolua_distance);
tolua_cclass(L, TOLUA_CAST "region", TOLUA_CAST "region", TOLUA_CAST "",
NULL);
tolua_beginmodule(L, TOLUA_CAST "region");
{
tolua_function(L, TOLUA_CAST "create", tolua_region_create);
tolua_function(L, TOLUA_CAST "destroy", tolua_region_destroy);
tolua_function(L, TOLUA_CAST "__tostring", tolua_region_tostring);
/* flags */
tolua_variable(L, TOLUA_CAST "blocked", tolua_region_get_blocked, tolua_region_set_blocked);
tolua_variable(L, TOLUA_CAST "id", tolua_region_get_id, NULL);
tolua_variable(L, TOLUA_CAST "x", tolua_region_get_x, NULL);
tolua_variable(L, TOLUA_CAST "y", tolua_region_get_y, NULL);
tolua_variable(L, TOLUA_CAST "plane", tolua_region_get_plane, NULL);
tolua_variable(L, TOLUA_CAST "name", tolua_region_get_name,
tolua_region_set_name);
tolua_variable(L, TOLUA_CAST "morale", tolua_region_get_morale,
tolua_region_set_morale);
tolua_variable(L, TOLUA_CAST "info", tolua_region_get_info,
tolua_region_set_info);
tolua_variable(L, TOLUA_CAST "units", tolua_region_get_units, NULL);
tolua_variable(L, TOLUA_CAST "ships", tolua_region_get_ships, NULL);
tolua_variable(L, TOLUA_CAST "age", tolua_region_get_age, NULL);
tolua_variable(L, TOLUA_CAST "buildings", tolua_region_get_buildings,
NULL);
tolua_variable(L, TOLUA_CAST "terrain", tolua_region_get_terrain,
tolua_region_set_terrain);
tolua_function(L, TOLUA_CAST "get_resourcelevel",
tolua_region_get_resourcelevel);
tolua_function(L, TOLUA_CAST "get_resource", tolua_region_get_resource);
tolua_function(L, TOLUA_CAST "set_resource", tolua_region_set_resource);
tolua_function(L, TOLUA_CAST "get_flag", tolua_region_get_flag);
tolua_function(L, TOLUA_CAST "set_flag", tolua_region_set_flag);
tolua_function(L, TOLUA_CAST "next", tolua_region_get_next);
tolua_variable(L, TOLUA_CAST "adj", tolua_region_get_adj, NULL);
tolua_variable(L, TOLUA_CAST "luxury", &tolua_region_get_luxury,
&tolua_region_set_luxury);
tolua_variable(L, TOLUA_CAST "herb", &tolua_region_get_herb,
&tolua_region_set_herb);
tolua_variable(L, TOLUA_CAST "terrain_name",
&tolua_region_get_terrainname, &tolua_region_set_terrainname);
tolua_variable(L, TOLUA_CAST "owner", &tolua_region_get_owner,
&tolua_region_set_owner);
tolua_function(L, TOLUA_CAST "get_key", tolua_region_getkey);
tolua_function(L, TOLUA_CAST "set_key", tolua_region_setkey);
tolua_variable(L, TOLUA_CAST "objects", tolua_region_get_objects, 0);
}
tolua_endmodule(L);
tolua_cclass(L, TOLUA_CAST "plane", TOLUA_CAST "plane", TOLUA_CAST "",
NULL);
tolua_beginmodule(L, TOLUA_CAST "plane");
{
tolua_function(L, TOLUA_CAST "create", tolua_plane_create);
tolua_function(L, TOLUA_CAST "get", tolua_plane_get);
tolua_function(L, TOLUA_CAST "__tostring", tolua_plane_tostring);
tolua_function(L, TOLUA_CAST "size", tolua_plane_get_size);
tolua_variable(L, TOLUA_CAST "id", tolua_plane_get_id, NULL);
tolua_function(L, TOLUA_CAST "normalize", tolua_plane_normalize);
tolua_variable(L, TOLUA_CAST "name", tolua_plane_get_name,
tolua_plane_set_name);
}
tolua_endmodule(L);
}
tolua_endmodule(L);
}
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