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implement weapons loading with expat.

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This commit is contained in:
Enno Rehling 2018-04-28 18:40:14 +02:00
parent ce50b888c9
commit 16cebed013
3 changed files with 62 additions and 9 deletions
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65
src/exparse.c
View file

@ -9,6 +9,7 @@
#include "kernel/resources.h"
#include "util/log.h"
#include "util/strings.h"
#include <expat.h>
@ -65,6 +66,13 @@ static int xml_int(const XML_Char *val) {
return atoi((const char *)val);
}
static variant xml_fraction(const XML_Char *val) {
int num, den = 100;
double fval = atof((const char *)val);
num = (int)(fval * den + 0.5);
return frac_make(num, den);
}
static void handle_bad_input(userdata *ud, const XML_Char *el, const XML_Char *attr) {
if (attr) {
log_error("unknown attribute in <%s>: %s", (const char *)el, (const char *)attr);
@ -168,6 +176,35 @@ static void handle_item(userdata *ud, const XML_Char *el, const XML_Char **attr)
itype->flags = flags;
}
static void handle_weapon(userdata *ud, const XML_Char *el, const XML_Char **attr) {
const char *flag_names[] = { "missile", "magical", "pierce", "cut", "bash", "siege", "armorpiercing", "horse", "useshield", NULL };
resource_type *rtype = (resource_type *)ud->object;
item_type * itype = rtype->itype;
weapon_type *wtype = new_weapontype(itype, 0, frac_zero, NULL, 0, 0, 0, NOSKILL);
int i, flags = 0;
for (i = 0; attr[i]; i += 2) {
if (xml_strcmp(attr[i], "offmod") == 0) {
wtype->offmod = xml_int(attr[i + 1]);
}
else if (xml_strcmp(attr[i], "defmod") == 0) {
wtype->defmod = xml_int(attr[i + 1]);
}
else if (xml_strcmp(attr[i], "reload") == 0) {
wtype->reload = xml_int(attr[i + 1]);
}
else if (xml_strcmp(attr[i], "skill") == 0) {
wtype->skill = findskill(attr[i + 1]);
}
else if (xml_strcmp(attr[i], "magres") == 0) {
wtype->magres = xml_fraction(attr[i + 1]);;
}
else if (!handle_flag(&flags, attr + i, flag_names)) {
handle_bad_input(ud, el, attr[i]);
}
}
wtype->flags = flags;
}
static void XMLCALL handle_resources(userdata *ud, const XML_Char *el, const XML_Char **attr) {
resource_type *rtype = (resource_type *)ud->object;
if (xml_strcmp(el, "resource") == 0) {
@ -221,12 +258,30 @@ static void XMLCALL handle_resources(userdata *ud, const XML_Char *el, const XML
rtype->atype = new_armortype(itype, 0.0, frac_zero, 0, 0);
}
else if (xml_strcmp(el, "weapon") == 0) {
rtype->wtype = new_weapontype(itype, 0, frac_zero, NULL, 0, 0, 0, SK_MELEE);
/* TODO */
handle_weapon(ud, el, attr);
}
else if (rtype->wtype) {
weapon_type *wtype = rtype->wtype;
if (xml_strcmp(el, "damage") == 0) {
int i, pos = 0;
for (i = 0; attr[i]; i += 2) {
if (xml_strcmp(attr[i], "type") == 0) {
/* damage vs. rider(1) or not(0)? */
if (xml_strcmp(attr[i + 1], "rider") == 0) {
pos = 1;
}
}
else if (xml_strcmp(attr[i], "value") == 0) {
wtype->damage[pos] = str_strdup(attr[i + 1]);
}
else {
handle_bad_input(ud, el, NULL);
}
}
}
else {
handle_bad_input(ud, el, NULL);
}
else if (xml_strcmp(el, "damage") == 0) {
assert(rtype->wtype);
/* TODO */
}
else {
handle_bad_input(ud, el, NULL);

2
src/kernel/item.c
View file

@ -291,7 +291,7 @@ weapon_type *new_weapontype(item_type * itype,
wtype->damage[1] = str_strdup(damage[1]);
}
wtype->defmod = defmod;
wtype->flags |= wflags;
wtype->flags = wflags;
wtype->itype = itype;
wtype->magres = magres;
wtype->offmod = offmod;

4
src/xmlreader.c
View file

@ -548,7 +548,7 @@ static weapon_type *xml_readweapon(xmlXPathContextPtr xpath, item_type * itype)
flags |= WTF_PIERCE;
if (xml_bvalue(node, "cut", false))
flags |= WTF_CUT;
if (xml_bvalue(node, "blunt", false))
if (xml_bvalue(node, "bash", false))
flags |= WTF_BLUNT;
if (xml_bvalue(node, "siege", false))
flags |= WTF_SIEGE;
@ -581,8 +581,6 @@ static weapon_type *xml_readweapon(xmlXPathContextPtr xpath, item_type * itype)
propValue = xmlGetProp(node, BAD_CAST "value");
wtype->damage[pos] = str_strdup((const char *)propValue); /* TODO: this is a memory leak */
if (k == 0)
wtype->damage[1 - pos] = wtype->damage[pos];
xmlFree(propValue);
}
xmlXPathFreeObject(result);