wow_dbc/tbc_tables/
item_random_suffix.rs

1use crate::{
2    DbcTable, ExtendedLocalizedString, Indexable,
3};
4use crate::header::{
5    DbcHeader, HEADER_SIZE, parse_header,
6};
7use std::io::Write;
8
9#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
10pub struct ItemRandomSuffix {
11    pub rows: Vec<ItemRandomSuffixRow>,
12}
13
14impl DbcTable for ItemRandomSuffix {
15    type Row = ItemRandomSuffixRow;
16
17    const FILENAME: &'static str = "ItemRandomSuffix.dbc";
18
19    fn rows(&self) -> &[Self::Row] { &self.rows }
20    fn rows_mut(&mut self) -> &mut [Self::Row] { &mut self.rows }
21
22    fn read(b: &mut impl std::io::Read) -> Result<Self, crate::DbcError> {
23        let mut header = [0_u8; HEADER_SIZE];
24        b.read_exact(&mut header)?;
25        let header = parse_header(&header)?;
26
27        if header.record_size != 100 {
28            return Err(crate::DbcError::InvalidHeader(
29                crate::InvalidHeaderError::RecordSize {
30                    expected: 100,
31                    actual: header.record_size,
32                },
33            ));
34        }
35
36        if header.field_count != 25 {
37            return Err(crate::DbcError::InvalidHeader(
38                crate::InvalidHeaderError::FieldCount {
39                    expected: 25,
40                    actual: header.field_count,
41                },
42            ));
43        }
44
45        let mut r = vec![0_u8; (header.record_count * header.record_size) as usize];
46        b.read_exact(&mut r)?;
47        let mut string_block = vec![0_u8; header.string_block_size as usize];
48        b.read_exact(&mut string_block)?;
49
50        let mut rows = Vec::with_capacity(header.record_count as usize);
51
52        for mut chunk in r.chunks(header.record_size as usize) {
53            let chunk = &mut chunk;
54
55            // id: primary_key (ItemRandomSuffix) int32
56            let id = ItemRandomSuffixKey::new(crate::util::read_i32_le(chunk)?);
57
58            // name_lang: string_ref_loc (Extended)
59            let name_lang = crate::util::read_extended_localized_string(chunk, &string_block)?;
60
61            // internal_name: string_ref
62            let internal_name = {
63                let s = crate::util::get_string_as_vec(chunk, &string_block)?;
64                String::from_utf8(s)?
65            };
66
67            // enchantment: int32[3]
68            let enchantment = crate::util::read_array_i32::<3>(chunk)?;
69
70            // allocation_pct: int32[3]
71            let allocation_pct = crate::util::read_array_i32::<3>(chunk)?;
72
73
74            rows.push(ItemRandomSuffixRow {
75                id,
76                name_lang,
77                internal_name,
78                enchantment,
79                allocation_pct,
80            });
81        }
82
83        Ok(ItemRandomSuffix { rows, })
84    }
85
86    fn write(&self, b: &mut impl Write) -> Result<(), std::io::Error> {
87        let header = DbcHeader {
88            record_count: self.rows.len() as u32,
89            field_count: 25,
90            record_size: 100,
91            string_block_size: self.string_block_size(),
92        };
93
94        b.write_all(&header.write_header())?;
95
96        let mut string_index = 1;
97        for row in &self.rows {
98            // id: primary_key (ItemRandomSuffix) int32
99            b.write_all(&row.id.id.to_le_bytes())?;
100
101            // name_lang: string_ref_loc (Extended)
102            b.write_all(&row.name_lang.string_indices_as_array(&mut string_index))?;
103
104            // internal_name: string_ref
105            if !row.internal_name.is_empty() {
106                b.write_all(&(string_index as u32).to_le_bytes())?;
107                string_index += row.internal_name.len() + 1;
108            }
109            else {
110                b.write_all(&(0_u32).to_le_bytes())?;
111            }
112
113            // enchantment: int32[3]
114            for i in row.enchantment {
115                b.write_all(&i.to_le_bytes())?;
116            }
117
118
119            // allocation_pct: int32[3]
120            for i in row.allocation_pct {
121                b.write_all(&i.to_le_bytes())?;
122            }
123
124
125        }
126
127        self.write_string_block(b)?;
128
129        Ok(())
130    }
131
132}
133
134impl Indexable for ItemRandomSuffix {
135    type PrimaryKey = ItemRandomSuffixKey;
136    fn get(&self, key: impl TryInto<Self::PrimaryKey>) -> Option<&Self::Row> {
137        let key = key.try_into().ok()?;
138        self.rows.iter().find(|a| a.id.id == key.id)
139    }
140
141    fn get_mut(&mut self, key: impl TryInto<Self::PrimaryKey>) -> Option<&mut Self::Row> {
142        let key = key.try_into().ok()?;
143        self.rows.iter_mut().find(|a| a.id.id == key.id)
144    }
145}
146
147impl ItemRandomSuffix {
148    fn write_string_block(&self, b: &mut impl Write) -> Result<(), std::io::Error> {
149        b.write_all(&[0])?;
150
151        for row in &self.rows {
152            row.name_lang.string_block_as_array(b)?;
153            if !row.internal_name.is_empty() { b.write_all(row.internal_name.as_bytes())?; b.write_all(&[0])?; };
154        }
155
156        Ok(())
157    }
158
159    fn string_block_size(&self) -> u32 {
160        let mut sum = 1;
161        for row in &self.rows {
162            sum += row.name_lang.string_block_size();
163            if !row.internal_name.is_empty() { sum += row.internal_name.len() + 1; };
164        }
165
166        sum as u32
167    }
168
169}
170
171#[derive(Debug, Clone, Copy, PartialEq, Eq, Ord, PartialOrd, Hash, Default)]
172pub struct ItemRandomSuffixKey {
173    pub id: i32
174}
175
176impl ItemRandomSuffixKey {
177    pub const fn new(id: i32) -> Self {
178        Self { id }
179    }
180
181}
182
183impl From<u8> for ItemRandomSuffixKey {
184    fn from(v: u8) -> Self {
185        Self::new(v.into())
186    }
187}
188
189impl From<u16> for ItemRandomSuffixKey {
190    fn from(v: u16) -> Self {
191        Self::new(v.into())
192    }
193}
194
195impl From<i8> for ItemRandomSuffixKey {
196    fn from(v: i8) -> Self {
197        Self::new(v.into())
198    }
199}
200
201impl From<i16> for ItemRandomSuffixKey {
202    fn from(v: i16) -> Self {
203        Self::new(v.into())
204    }
205}
206
207impl From<i32> for ItemRandomSuffixKey {
208    fn from(v: i32) -> Self {
209        Self::new(v)
210    }
211}
212
213impl TryFrom<u32> for ItemRandomSuffixKey {
214    type Error = u32;
215    fn try_from(v: u32) -> Result<Self, Self::Error> {
216        Ok(TryInto::<i32>::try_into(v).ok().ok_or(v)?.into())
217    }
218}
219
220impl TryFrom<usize> for ItemRandomSuffixKey {
221    type Error = usize;
222    fn try_from(v: usize) -> Result<Self, Self::Error> {
223        Ok(TryInto::<i32>::try_into(v).ok().ok_or(v)?.into())
224    }
225}
226
227impl TryFrom<u64> for ItemRandomSuffixKey {
228    type Error = u64;
229    fn try_from(v: u64) -> Result<Self, Self::Error> {
230        Ok(TryInto::<i32>::try_into(v).ok().ok_or(v)?.into())
231    }
232}
233
234impl TryFrom<i64> for ItemRandomSuffixKey {
235    type Error = i64;
236    fn try_from(v: i64) -> Result<Self, Self::Error> {
237        Ok(TryInto::<i32>::try_into(v).ok().ok_or(v)?.into())
238    }
239}
240
241impl TryFrom<isize> for ItemRandomSuffixKey {
242    type Error = isize;
243    fn try_from(v: isize) -> Result<Self, Self::Error> {
244        Ok(TryInto::<i32>::try_into(v).ok().ok_or(v)?.into())
245    }
246}
247
248#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
249pub struct ItemRandomSuffixRow {
250    pub id: ItemRandomSuffixKey,
251    pub name_lang: ExtendedLocalizedString,
252    pub internal_name: String,
253    pub enchantment: [i32; 3],
254    pub allocation_pct: [i32; 3],
255}
256