wow_dbc/wrath_tables/
world_map_overlay.rs

1use crate::{
2    DbcTable, Indexable,
3};
4use crate::header::{
5    DbcHeader, HEADER_SIZE, parse_header,
6};
7use crate::wrath_tables::world_map_area::WorldMapAreaKey;
8use std::io::Write;
9
10#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
11pub struct WorldMapOverlay {
12    pub rows: Vec<WorldMapOverlayRow>,
13}
14
15impl DbcTable for WorldMapOverlay {
16    type Row = WorldMapOverlayRow;
17
18    const FILENAME: &'static str = "WorldMapOverlay.dbc";
19
20    fn rows(&self) -> &[Self::Row] { &self.rows }
21    fn rows_mut(&mut self) -> &mut [Self::Row] { &mut self.rows }
22
23    fn read(b: &mut impl std::io::Read) -> Result<Self, crate::DbcError> {
24        let mut header = [0_u8; HEADER_SIZE];
25        b.read_exact(&mut header)?;
26        let header = parse_header(&header)?;
27
28        if header.record_size != 68 {
29            return Err(crate::DbcError::InvalidHeader(
30                crate::InvalidHeaderError::RecordSize {
31                    expected: 68,
32                    actual: header.record_size,
33                },
34            ));
35        }
36
37        if header.field_count != 17 {
38            return Err(crate::DbcError::InvalidHeader(
39                crate::InvalidHeaderError::FieldCount {
40                    expected: 17,
41                    actual: header.field_count,
42                },
43            ));
44        }
45
46        let mut r = vec![0_u8; (header.record_count * header.record_size) as usize];
47        b.read_exact(&mut r)?;
48        let mut string_block = vec![0_u8; header.string_block_size as usize];
49        b.read_exact(&mut string_block)?;
50
51        let mut rows = Vec::with_capacity(header.record_count as usize);
52
53        for mut chunk in r.chunks(header.record_size as usize) {
54            let chunk = &mut chunk;
55
56            // id: primary_key (WorldMapOverlay) int32
57            let id = WorldMapOverlayKey::new(crate::util::read_i32_le(chunk)?);
58
59            // map_area_id: foreign_key (WorldMapArea) int32
60            let map_area_id = WorldMapAreaKey::new(crate::util::read_i32_le(chunk)?.into());
61
62            // area_id: int32[4]
63            let area_id = crate::util::read_array_i32::<4>(chunk)?;
64
65            // map_point_x: int32
66            let map_point_x = crate::util::read_i32_le(chunk)?;
67
68            // map_point_y: int32
69            let map_point_y = crate::util::read_i32_le(chunk)?;
70
71            // texture_name: string_ref
72            let texture_name = {
73                let s = crate::util::get_string_as_vec(chunk, &string_block)?;
74                String::from_utf8(s)?
75            };
76
77            // texture_width: int32
78            let texture_width = crate::util::read_i32_le(chunk)?;
79
80            // texture_height: int32
81            let texture_height = crate::util::read_i32_le(chunk)?;
82
83            // offset_x: int32
84            let offset_x = crate::util::read_i32_le(chunk)?;
85
86            // offset_y: int32
87            let offset_y = crate::util::read_i32_le(chunk)?;
88
89            // hit_rect_top: int32
90            let hit_rect_top = crate::util::read_i32_le(chunk)?;
91
92            // hit_rect_left: int32
93            let hit_rect_left = crate::util::read_i32_le(chunk)?;
94
95            // hit_rect_bottom: int32
96            let hit_rect_bottom = crate::util::read_i32_le(chunk)?;
97
98            // hit_rect_right: int32
99            let hit_rect_right = crate::util::read_i32_le(chunk)?;
100
101
102            rows.push(WorldMapOverlayRow {
103                id,
104                map_area_id,
105                area_id,
106                map_point_x,
107                map_point_y,
108                texture_name,
109                texture_width,
110                texture_height,
111                offset_x,
112                offset_y,
113                hit_rect_top,
114                hit_rect_left,
115                hit_rect_bottom,
116                hit_rect_right,
117            });
118        }
119
120        Ok(WorldMapOverlay { rows, })
121    }
122
123    fn write(&self, b: &mut impl Write) -> Result<(), std::io::Error> {
124        let header = DbcHeader {
125            record_count: self.rows.len() as u32,
126            field_count: 17,
127            record_size: 68,
128            string_block_size: self.string_block_size(),
129        };
130
131        b.write_all(&header.write_header())?;
132
133        let mut string_index = 1;
134        for row in &self.rows {
135            // id: primary_key (WorldMapOverlay) int32
136            b.write_all(&row.id.id.to_le_bytes())?;
137
138            // map_area_id: foreign_key (WorldMapArea) int32
139            b.write_all(&(row.map_area_id.id as i32).to_le_bytes())?;
140
141            // area_id: int32[4]
142            for i in row.area_id {
143                b.write_all(&i.to_le_bytes())?;
144            }
145
146
147            // map_point_x: int32
148            b.write_all(&row.map_point_x.to_le_bytes())?;
149
150            // map_point_y: int32
151            b.write_all(&row.map_point_y.to_le_bytes())?;
152
153            // texture_name: string_ref
154            if !row.texture_name.is_empty() {
155                b.write_all(&(string_index as u32).to_le_bytes())?;
156                string_index += row.texture_name.len() + 1;
157            }
158            else {
159                b.write_all(&(0_u32).to_le_bytes())?;
160            }
161
162            // texture_width: int32
163            b.write_all(&row.texture_width.to_le_bytes())?;
164
165            // texture_height: int32
166            b.write_all(&row.texture_height.to_le_bytes())?;
167
168            // offset_x: int32
169            b.write_all(&row.offset_x.to_le_bytes())?;
170
171            // offset_y: int32
172            b.write_all(&row.offset_y.to_le_bytes())?;
173
174            // hit_rect_top: int32
175            b.write_all(&row.hit_rect_top.to_le_bytes())?;
176
177            // hit_rect_left: int32
178            b.write_all(&row.hit_rect_left.to_le_bytes())?;
179
180            // hit_rect_bottom: int32
181            b.write_all(&row.hit_rect_bottom.to_le_bytes())?;
182
183            // hit_rect_right: int32
184            b.write_all(&row.hit_rect_right.to_le_bytes())?;
185
186        }
187
188        self.write_string_block(b)?;
189
190        Ok(())
191    }
192
193}
194
195impl Indexable for WorldMapOverlay {
196    type PrimaryKey = WorldMapOverlayKey;
197    fn get(&self, key: impl TryInto<Self::PrimaryKey>) -> Option<&Self::Row> {
198        let key = key.try_into().ok()?;
199        self.rows.iter().find(|a| a.id.id == key.id)
200    }
201
202    fn get_mut(&mut self, key: impl TryInto<Self::PrimaryKey>) -> Option<&mut Self::Row> {
203        let key = key.try_into().ok()?;
204        self.rows.iter_mut().find(|a| a.id.id == key.id)
205    }
206}
207
208impl WorldMapOverlay {
209    fn write_string_block(&self, b: &mut impl Write) -> Result<(), std::io::Error> {
210        b.write_all(&[0])?;
211
212        for row in &self.rows {
213            if !row.texture_name.is_empty() { b.write_all(row.texture_name.as_bytes())?; b.write_all(&[0])?; };
214        }
215
216        Ok(())
217    }
218
219    fn string_block_size(&self) -> u32 {
220        let mut sum = 1;
221        for row in &self.rows {
222            if !row.texture_name.is_empty() { sum += row.texture_name.len() + 1; };
223        }
224
225        sum as u32
226    }
227
228}
229
230#[derive(Debug, Clone, Copy, PartialEq, Eq, Ord, PartialOrd, Hash, Default)]
231pub struct WorldMapOverlayKey {
232    pub id: i32
233}
234
235impl WorldMapOverlayKey {
236    pub const fn new(id: i32) -> Self {
237        Self { id }
238    }
239
240}
241
242impl From<u8> for WorldMapOverlayKey {
243    fn from(v: u8) -> Self {
244        Self::new(v.into())
245    }
246}
247
248impl From<u16> for WorldMapOverlayKey {
249    fn from(v: u16) -> Self {
250        Self::new(v.into())
251    }
252}
253
254impl From<i8> for WorldMapOverlayKey {
255    fn from(v: i8) -> Self {
256        Self::new(v.into())
257    }
258}
259
260impl From<i16> for WorldMapOverlayKey {
261    fn from(v: i16) -> Self {
262        Self::new(v.into())
263    }
264}
265
266impl From<i32> for WorldMapOverlayKey {
267    fn from(v: i32) -> Self {
268        Self::new(v)
269    }
270}
271
272impl TryFrom<u32> for WorldMapOverlayKey {
273    type Error = u32;
274    fn try_from(v: u32) -> Result<Self, Self::Error> {
275        Ok(TryInto::<i32>::try_into(v).ok().ok_or(v)?.into())
276    }
277}
278
279impl TryFrom<usize> for WorldMapOverlayKey {
280    type Error = usize;
281    fn try_from(v: usize) -> Result<Self, Self::Error> {
282        Ok(TryInto::<i32>::try_into(v).ok().ok_or(v)?.into())
283    }
284}
285
286impl TryFrom<u64> for WorldMapOverlayKey {
287    type Error = u64;
288    fn try_from(v: u64) -> Result<Self, Self::Error> {
289        Ok(TryInto::<i32>::try_into(v).ok().ok_or(v)?.into())
290    }
291}
292
293impl TryFrom<i64> for WorldMapOverlayKey {
294    type Error = i64;
295    fn try_from(v: i64) -> Result<Self, Self::Error> {
296        Ok(TryInto::<i32>::try_into(v).ok().ok_or(v)?.into())
297    }
298}
299
300impl TryFrom<isize> for WorldMapOverlayKey {
301    type Error = isize;
302    fn try_from(v: isize) -> Result<Self, Self::Error> {
303        Ok(TryInto::<i32>::try_into(v).ok().ok_or(v)?.into())
304    }
305}
306
307#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
308pub struct WorldMapOverlayRow {
309    pub id: WorldMapOverlayKey,
310    pub map_area_id: WorldMapAreaKey,
311    pub area_id: [i32; 4],
312    pub map_point_x: i32,
313    pub map_point_y: i32,
314    pub texture_name: String,
315    pub texture_width: i32,
316    pub texture_height: i32,
317    pub offset_x: i32,
318    pub offset_y: i32,
319    pub hit_rect_top: i32,
320    pub hit_rect_left: i32,
321    pub hit_rect_bottom: i32,
322    pub hit_rect_right: i32,
323}
324