diff options
Diffstat (limited to 'src/world.cpp')
-rw-r--r-- | src/world.cpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/src/world.cpp b/src/world.cpp new file mode 100644 index 0000000..9b1e4f6 --- /dev/null +++ b/src/world.cpp | |||
@@ -0,0 +1,99 @@ | |||
1 | #include "world.h" | ||
2 | #include <libxml/parser.h> | ||
3 | #include <stdexcept> | ||
4 | #include <cstring> | ||
5 | #include "consts.h" | ||
6 | |||
7 | inline xmlChar* getProp(xmlNodePtr node, const char* attr) | ||
8 | { | ||
9 | xmlChar* key = xmlGetProp(node, reinterpret_cast<const xmlChar*>(attr)); | ||
10 | if (key == nullptr) | ||
11 | { | ||
12 | throw std::invalid_argument("Error parsing world file"); | ||
13 | } | ||
14 | |||
15 | return key; | ||
16 | } | ||
17 | |||
18 | World::World(std::string filename) | ||
19 | { | ||
20 | xmlDocPtr doc = xmlParseFile(filename.c_str()); | ||
21 | if (doc == nullptr) | ||
22 | { | ||
23 | throw std::invalid_argument("Cannot find world file"); | ||
24 | } | ||
25 | |||
26 | xmlNodePtr top = xmlDocGetRootElement(doc); | ||
27 | if (top == nullptr) | ||
28 | { | ||
29 | throw std::invalid_argument("Error parsing world file"); | ||
30 | } | ||
31 | |||
32 | if (xmlStrcmp(top->name, reinterpret_cast<const xmlChar*>("world"))) | ||
33 | { | ||
34 | throw std::invalid_argument("Error parsing world file"); | ||
35 | } | ||
36 | |||
37 | xmlChar* key = nullptr; | ||
38 | |||
39 | key = getProp(top, "startx"); | ||
40 | startX_ = atoi(reinterpret_cast<char*>(key)); | ||
41 | xmlFree(key); | ||
42 | |||
43 | key = getProp(top, "starty"); | ||
44 | startY_ = atoi(reinterpret_cast<char*>(key)); | ||
45 | xmlFree(key); | ||
46 | |||
47 | key = getProp(top, "startmap"); | ||
48 | startMap_ = atoi(reinterpret_cast<char*>(key)); | ||
49 | xmlFree(key); | ||
50 | |||
51 | for (xmlNodePtr node = top->xmlChildrenNode; | ||
52 | node != nullptr; | ||
53 | node = node->next) | ||
54 | { | ||
55 | if (!xmlStrcmp(node->name, reinterpret_cast<const xmlChar*>("map"))) | ||
56 | { | ||
57 | key = getProp(node, "id"); | ||
58 | size_t mapId = atoi(reinterpret_cast<char*>(key)); | ||
59 | xmlFree(key); | ||
60 | |||
61 | key = getProp(node, "title"); | ||
62 | std::string mapTitle(reinterpret_cast<char*>(key)); | ||
63 | xmlFree(key); | ||
64 | |||
65 | std::vector<int> mapTiles; | ||
66 | |||
67 | for (xmlNodePtr mapNode = node->xmlChildrenNode; | ||
68 | mapNode != nullptr; | ||
69 | mapNode = mapNode->next) | ||
70 | { | ||
71 | if (!xmlStrcmp( | ||
72 | mapNode->name, | ||
73 | reinterpret_cast<const xmlChar*>("environment"))) | ||
74 | { | ||
75 | key = xmlNodeGetContent(mapNode); | ||
76 | |||
77 | mapTiles.clear(); | ||
78 | mapTiles.push_back(atoi(strtok(reinterpret_cast<char*>(key), ",\n"))); | ||
79 | for (size_t i = 1; i < (MAP_WIDTH * MAP_HEIGHT); i++) | ||
80 | { | ||
81 | mapTiles.push_back(atoi(strtok(nullptr, ",\n"))); | ||
82 | } | ||
83 | |||
84 | xmlFree(key); | ||
85 | } | ||
86 | } | ||
87 | |||
88 | maps_.emplace( | ||
89 | std::piecewise_construct, | ||
90 | std::forward_as_tuple(mapId), | ||
91 | std::forward_as_tuple( | ||
92 | mapId, | ||
93 | std::move(mapTiles), | ||
94 | std::move(mapTitle))); | ||
95 | } | ||
96 | } | ||
97 | |||
98 | xmlFreeDoc(doc); | ||
99 | } | ||