veloren_common/states/
dash_melee.rs

1use crate::{
2    combat,
3    comp::{CharacterState, MeleeConstructor, StateUpdate, character_state::OutputEvents},
4    states::{
5        behavior::{CharacterBehavior, JoinData},
6        utils::*,
7    },
8};
9use serde::{Deserialize, Serialize};
10use std::time::Duration;
11
12/// Separated out to condense update portions of character state
13#[derive(Copy, Clone, Debug, PartialEq, Serialize, Deserialize)]
14pub struct StaticData {
15    /// Rate of energy drain
16    pub energy_drain: f32,
17    /// How quickly dasher moves forward
18    pub forward_speed: f32,
19    /// How long until state should deal damage
20    pub buildup_duration: Duration,
21    /// How long the state charges for until it reaches max damage
22    pub charge_duration: Duration,
23    /// Duration of state spent in swing
24    pub swing_duration: Duration,
25    /// How long the state has until exiting
26    pub recover_duration: Duration,
27    /// Used to construct the Melee attack
28    pub melee_constructor: MeleeConstructor,
29    /// How fast can you turn during charge
30    pub ori_modifier: f32,
31    /// Controls whether charge should always go until end or enemy hit
32    pub auto_charge: bool,
33    /// What key is used to press ability
34    pub ability_info: AbilityInfo,
35}
36
37#[derive(Copy, Clone, Debug, PartialEq, Serialize, Deserialize)]
38pub struct Data {
39    /// Struct containing data that does not change over the course of the
40    /// character state
41    pub static_data: StaticData,
42    /// Whether the charge should last a default amount of time or until the
43    /// mouse is released
44    pub auto_charge: bool,
45    /// Timer for each stage
46    pub timer: Duration,
47    /// What section the character stage is in
48    pub stage_section: StageSection,
49}
50
51impl CharacterBehavior for Data {
52    fn behavior(&self, data: &JoinData, output_events: &mut OutputEvents) -> StateUpdate {
53        let mut update = StateUpdate::from(data);
54
55        handle_move(data, &mut update, 0.1);
56
57        let create_melee = |charge_frac: f32| {
58            let precision_mult = combat::compute_precision_mult(data.inventory, data.msm);
59            let tool_stats = get_tool_stats(data, self.static_data.ability_info);
60            self.static_data
61                .melee_constructor
62                .handle_scaling(charge_frac)
63                .create_melee(precision_mult, tool_stats)
64        };
65
66        match self.stage_section {
67            StageSection::Buildup => {
68                if self.timer < self.static_data.buildup_duration {
69                    handle_orientation(data, &mut update, 1.0, None);
70                    // Build up
71                    update.character = CharacterState::DashMelee(Data {
72                        timer: tick_attack_or_default(data, self.timer, None),
73                        ..*self
74                    });
75                } else {
76                    // Transitions to charge section of stage
77                    update.character = CharacterState::DashMelee(Data {
78                        auto_charge: !input_is_pressed(data, self.static_data.ability_info.input)
79                            || self.static_data.auto_charge,
80                        timer: Duration::default(),
81                        stage_section: StageSection::Charge,
82                        ..*self
83                    });
84                }
85            },
86            StageSection::Charge => {
87                if self.timer < self.static_data.charge_duration
88                    && (input_is_pressed(data, self.static_data.ability_info.input)
89                        || self.auto_charge)
90                    && update.energy.current() >= 0.0
91                {
92                    // Forward movement
93                    let charge_frac = (self.timer.as_secs_f32()
94                        / self.static_data.charge_duration.as_secs_f32())
95                    .min(1.0);
96
97                    handle_orientation(data, &mut update, self.static_data.ori_modifier, None);
98                    handle_forced_movement(
99                        data,
100                        &mut update,
101                        ForcedMovement::Forward(
102                            self.static_data.forward_speed * charge_frac.sqrt(),
103                        ),
104                    );
105
106                    // Determines if charge ends by continually refreshing melee component until it
107                    // detects a hit, at which point the charge ends
108                    if let Some(melee) = data.melee_attack {
109                        if !melee.applied {
110                            // If melee attack has not applied, just tick duration
111                            update.character = CharacterState::DashMelee(Data {
112                                timer: tick_attack_or_default(data, self.timer, None),
113                                ..*self
114                            });
115                        } else if melee.hit_count == 0 {
116                            // If melee attack has applied, but not hit anything, reset melee attack
117                            data.updater.insert(data.entity, create_melee(charge_frac));
118                            update.character = CharacterState::DashMelee(Data {
119                                timer: tick_attack_or_default(data, self.timer, None),
120                                ..*self
121                            });
122                        } else {
123                            // Stop charging now and go to swing stage section
124                            update.character = CharacterState::DashMelee(Data {
125                                timer: Duration::default(),
126                                stage_section: StageSection::Action,
127                                ..*self
128                            });
129                        }
130                    } else {
131                        // If no melee attack, add it and tick duration
132                        data.updater.insert(data.entity, create_melee(charge_frac));
133
134                        update.character = CharacterState::DashMelee(Data {
135                            timer: tick_attack_or_default(data, self.timer, None),
136                            ..*self
137                        });
138                    }
139
140                    // Consumes energy if there's enough left and charge has not stopped
141                    update
142                        .energy
143                        .change_by(-self.static_data.energy_drain * data.dt.0);
144                } else {
145                    // Transitions to swing section of stage
146                    update.character = CharacterState::DashMelee(Data {
147                        timer: Duration::default(),
148                        stage_section: StageSection::Action,
149                        ..*self
150                    });
151                }
152            },
153            StageSection::Action => {
154                if self.timer < self.static_data.swing_duration {
155                    // Swings
156                    update.character = CharacterState::DashMelee(Data {
157                        timer: tick_attack_or_default(data, self.timer, None),
158                        ..*self
159                    });
160                } else {
161                    // Transitions to recover section of stage
162                    update.character = CharacterState::DashMelee(Data {
163                        timer: Duration::default(),
164                        stage_section: StageSection::Recover,
165                        ..*self
166                    });
167                }
168            },
169            StageSection::Recover => {
170                if self.timer < self.static_data.recover_duration {
171                    // Recover
172                    update.character = CharacterState::DashMelee(Data {
173                        timer: tick_attack_or_default(
174                            data,
175                            self.timer,
176                            Some(data.stats.recovery_speed_modifier),
177                        ),
178                        ..*self
179                    });
180                } else {
181                    // Done
182                    end_melee_ability(data, &mut update);
183                }
184            },
185            _ => {
186                // If it somehow ends up in an incorrect stage section
187                end_melee_ability(data, &mut update);
188            },
189        }
190
191        // At end of state logic so an interrupt isn't overwritten
192        handle_interrupts(data, &mut update, output_events);
193
194        update
195    }
196}
veloren_common/states/dash_melee.rs

veloren_common/states/
dash_melee.rs
