rpfm_lib/files/group_formations/versions/
troy.rs

1//---------------------------------------------------------------------------//
2// Copyright (c) 2017-2026 Ismael Gutiérrez González. All rights reserved.
3//
4// This file is part of the Rusted PackFile Manager (RPFM) project,
5// which can be found here: https://github.com/Frodo45127/rpfm.
6//
7// This file is licensed under the MIT license, which can be found here:
8// https://github.com/Frodo45127/rpfm/blob/master/LICENSE.
9//---------------------------------------------------------------------------//
10
11use crate::binary::{ReadBytes, WriteBytes};
12use crate::error::Result;
13
14use super::*;
15use super::versions::v2;
16
17impl GroupFormations {
18
19    pub(crate) fn decode_troy<R: ReadBytes>(&mut self, data: &mut R) -> Result<()> {
20
21        //GroupFormation
22        for _ in 0..data.read_u32()? {
23            let mut formation = GroupFormation::default();
24            formation.name = data.read_sized_string_u8()?;
25            formation.ai_priority = data.read_f32()?;
26            formation.ai_purpose = AIPurpose::V2(v2::AIPurposeFlags::from_bits_truncate(data.read_u32()?));
27            formation.uk_2 = data.read_u32()?;
28
29            // MinUnitCategoryPercentage is one of these
30            for _ in 0..data.read_u32()? {
31                let mut min_unit_category_percentage = MinUnitCategoryPercentage::default();
32
33                min_unit_category_percentage.category = UnitCategory::try_from(data.read_u32()?)?;
34                min_unit_category_percentage.percentage = data.read_u32()?;
35
36                formation.min_unit_category_percentage.push(min_unit_category_percentage);
37            }
38
39            for _ in 0..data.read_u32()? {
40                formation.ai_supported_subcultures.push(data.read_sized_string_u8()?);
41            }
42
43            // Troy has no supported factions list.
44
45            // GroupFormationBlock
46            for _ in 0..data.read_u32()? {
47                let mut block = GroupFormationBlock::default();
48                block.block_id = data.read_u32()?;
49
50                // Possible enum: 0 absolute, 1 relative, 3 spanning
51                let block_type = data.read_u32()?;
52                match block_type {
53
54                    // ContainerAbsolute
55                    0 => {
56                        let mut container = ContainerAbsolute::default();
57                        container.block_priority = data.read_f32()?;
58                        container.entity_arrangement = EntityArrangement::try_from(data.read_u32()?)?;
59                        container.inter_entity_spacing = data.read_f32()?;
60                        container.crescent_y_offset = data.read_f32()?;
61                        container.position_x = data.read_f32()?;
62                        container.position_y = data.read_f32()?;
63                        container.minimum_entity_threshold = data.read_i32()?;
64                        container.maximum_entity_threshold = data.read_i32()?;
65
66                        // EntityPreference
67                        for _ in 0..data.read_u32()? {
68                            let mut entity_pref = EntityPreference::default();
69                            entity_pref.priority = data.read_f32()?;
70                            entity_pref.entity = Entity::V2(v2::EntityType::try_from(data.read_u32()?)?);
71                            entity_pref.entity_weight = EntityWeight::try_from(data.read_u32()?)?;
72                            entity_pref.uk_1 = data.read_u32()?;
73                            entity_pref.entity_class = data.read_sized_string_u8()?;
74                            container.entity_preferences.push(entity_pref);
75                        }
76
77                        block.block = Block::ContainerAbsolute(container);
78                    },
79
80                    // ContainerRelative
81                    1 => {
82                        let mut container = ContainerRelative::default();
83                        container.block_priority = data.read_f32()?;
84                        container.relative_block_id = data.read_u32()?;
85                        container.entity_arrangement = EntityArrangement::try_from(data.read_u32()?)?;
86                        container.inter_entity_spacing = data.read_f32()?;
87                        container.crescent_y_offset = data.read_f32()?;
88                        container.position_x = data.read_f32()?;
89                        container.position_y = data.read_f32()?;
90                        container.minimum_entity_threshold = data.read_i32()?;
91                        container.maximum_entity_threshold = data.read_i32()?;
92
93                        // EntityPreference
94                        for _ in 0..data.read_u32()? {
95                            let mut entity_pref = EntityPreference::default();
96                            entity_pref.priority = data.read_f32()?;
97                            entity_pref.entity = Entity::V2(v2::EntityType::try_from(data.read_u32()?)?);
98                            entity_pref.entity_weight = EntityWeight::try_from(data.read_u32()?)?;
99                            entity_pref.uk_1 = data.read_u32()?;
100                            entity_pref.entity_class = data.read_sized_string_u8()?;
101                            container.entity_preferences.push(entity_pref);
102                        }
103
104                        block.block = Block::ContainerRelative(container);
105                    },
106
107                    // Spanning
108                    3 => {
109                        let mut container = Spanning::default();
110                        for _ in 0..data.read_u32()? {
111                            container.spanned_block_ids.push(data.read_u32()?);
112                        }
113                        block.block = Block::Spanning(container);
114                    },
115                    _ => return Err(RLibError::DecodingGroupFormationsUnknownBlockType(block_type)),
116                }
117
118                formation.group_formation_blocks.push(block);
119            }
120
121            self.formations.push(formation);
122        }
123
124        Ok(())
125    }
126
127    pub(crate) fn encode_troy<W: WriteBytes>(&mut self, buffer: &mut W) -> Result<()> {
128        buffer.write_u32(self.formations.len() as u32)?;
129        for formation in self.formations() {
130            buffer.write_sized_string_u8(formation.name())?;
131
132            buffer.write_f32(formation.ai_priority)?;
133            buffer.write_u32(formation.ai_purpose.v2_bits()?)?;
134
135            buffer.write_u32(formation.uk_2)?;
136            buffer.write_u32(formation.min_unit_category_percentage.len() as u32)?;
137            for mucp in formation.min_unit_category_percentage() {
138                buffer.write_u32(mucp.category.into())?;
139                buffer.write_u32(mucp.percentage)?;
140            }
141
142            buffer.write_u32(formation.ai_supported_subcultures.len() as u32)?;
143            for ai_supported_subculture in formation.ai_supported_subcultures() {
144                buffer.write_sized_string_u8(ai_supported_subculture)?;
145            }
146
147            buffer.write_u32(formation.group_formation_blocks.len() as u32)?;
148            for block in formation.group_formation_blocks() {
149                buffer.write_u32(block.block_id)?;
150
151                match block.block {
152                    Block::ContainerAbsolute(ref b) => {
153                        buffer.write_u32(0)?;
154
155                        buffer.write_f32(b.block_priority)?;
156                        buffer.write_u32(b.entity_arrangement.into())?;
157                        buffer.write_f32(b.inter_entity_spacing)?;
158                        buffer.write_f32(b.crescent_y_offset)?;
159                        buffer.write_f32(b.position_x)?;
160                        buffer.write_f32(b.position_y)?;
161                        buffer.write_i32(b.minimum_entity_threshold)?;
162                        buffer.write_i32(b.maximum_entity_threshold)?;
163
164                        buffer.write_u32(b.entity_preferences.len() as u32)?;
165                        for ep in b.entity_preferences() {
166                            buffer.write_f32(ep.priority)?;
167                            buffer.write_u32(ep.entity.v2_value()?)?;
168                            buffer.write_u32(ep.entity_weight.into())?;
169                            buffer.write_u32(ep.uk_1)?;
170                            buffer.write_sized_string_u8(&ep.entity_class)?;
171                        }
172                    },
173
174                    Block::ContainerRelative(ref b) => {
175                        buffer.write_u32(1)?;
176
177                        buffer.write_f32(b.block_priority)?;
178                        buffer.write_u32(b.relative_block_id)?;
179                        buffer.write_u32(b.entity_arrangement.into())?;
180                        buffer.write_f32(b.inter_entity_spacing)?;
181                        buffer.write_f32(b.crescent_y_offset)?;
182                        buffer.write_f32(b.position_x)?;
183                        buffer.write_f32(b.position_y)?;
184                        buffer.write_i32(b.minimum_entity_threshold)?;
185                        buffer.write_i32(b.maximum_entity_threshold)?;
186
187                        buffer.write_u32(b.entity_preferences.len() as u32)?;
188                        for ep in b.entity_preferences() {
189                            buffer.write_f32(ep.priority)?;
190                            buffer.write_u32(ep.entity.v2_value()?)?;
191                            buffer.write_u32(ep.entity_weight.into())?;
192
193                            buffer.write_u32(ep.uk_1)?;
194                            buffer.write_sized_string_u8(&ep.entity_class)?;
195                        }
196                    },
197
198                    Block::Spanning(ref block) => {
199                        buffer.write_u32(3)?;
200                        buffer.write_u32(block.spanned_block_ids.len() as u32)?;
201                        for id in block.spanned_block_ids() {
202                            buffer.write_u32(*id)?;
203                        }
204                    },
205                }
206            }
207        }
208
209        Ok(())
210    }
211}
rpfm_lib/files/group_formations/versions/troy.rs

rpfm_lib/files/group_formations/versions/
troy.rs
