Mercurial > touhou
annotate src/th06/std_vm.rs @ 715:2b2376811f46
examples: Update luminance.
author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
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date | Mon, 23 Sep 2019 00:22:08 +0200 |
parents | 377c241be559 |
children | 5016c09e5d7c |
rev | line source |
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1 //! Interpreter of STD files. |
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2 |
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3 use crate::th06::std::{Stage, Position, Call, Instruction}; |
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4 use crate::th06::interpolator::{Interpolator1, Interpolator3, Interpolator4, Formula}; |
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5 use crate::util::math::{Mat4, perspective, setup_camera}; |
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6 use std::cell::RefCell; |
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7 use std::rc::Rc; |
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8 |
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9 /// Interpreter for Stage. |
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10 pub struct StageRunner { |
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11 /// XXX: no pub. |
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12 pub stage: Rc<RefCell<Stage>>, |
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13 frame: u32, |
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14 |
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15 position: Interpolator3<f32>, |
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16 direction: Interpolator3<f32>, |
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17 |
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18 /// XXX: no pub. |
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19 pub fog_color: [f32; 4], |
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20 /// XXX: no pub. |
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21 pub fog_near: f32, |
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22 /// XXX: no pub. |
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23 pub fog_far: f32, |
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24 } |
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25 |
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26 impl StageRunner { |
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27 /// Create a new StageRunner attached to a Stage. |
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28 pub fn new(stage: Rc<RefCell<Stage>>) -> StageRunner { |
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29 StageRunner { |
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30 stage, |
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31 frame: 0, |
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32 position: Interpolator3::new([0., 0., 0.], 0, [0., 0., 0.], 0, Formula::Linear), |
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33 direction: Interpolator3::new([0., 0., 0.], 0, [0., 0., 0.], 0, Formula::Linear), |
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34 fog_color: [1.; 4], |
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35 fog_near: 0., |
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36 fog_far: 1000., |
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37 } |
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38 } |
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39 |
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40 /// Advance the simulation one frame. |
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41 pub fn run_frame(&mut self) { |
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42 let stage = self.stage.borrow(); |
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43 |
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44 for Call { time, instr } in stage.script.iter() { |
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45 let time = *time; |
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46 if time != self.frame { |
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47 continue; |
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48 } |
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49 |
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50 println!("{} {:?}", time, instr); |
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51 |
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52 match *instr { |
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53 Instruction::SetViewpos(x, y, z) => { |
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54 self.position.set_start(time, [x, y, z]); |
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55 for Call { time, instr } in stage.script.iter().cloned() { |
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56 if time <= self.frame { |
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57 continue; |
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58 } |
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59 if let Instruction::SetViewpos(x, y, z) = instr { |
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60 self.position.set_end(time, [x, y, z]); |
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61 break; |
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62 } |
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63 } |
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64 } |
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65 Instruction::SetFog(b, g, r, a, near, far) => { |
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66 self.fog_color = [r as f32 / 255., g as f32 / 255., b as f32 / 255., a as f32 / 255.]; |
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67 self.fog_near = near; |
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68 self.fog_far = far; |
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69 } |
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70 Instruction::SetViewpos2(dx, dy, dz) => { |
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71 let direction = [dx, dy, dz]; |
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72 self.direction.set_start(time, if time == 0 { direction } else { self.direction.values(time) }); |
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73 self.direction.set_end_values(direction); |
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74 } |
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75 Instruction::StartInterpolatingViewpos2(frame, _, _) => { |
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76 self.direction.set_end_frame(time + frame); |
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77 } |
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78 Instruction::StartInterpolatingFog(frame, _, _) => { |
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79 } |
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80 Instruction::Unknown(_, _, _) => { |
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81 } |
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82 } |
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83 } |
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84 |
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85 self.frame += 1; |
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86 } |
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87 |
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88 /// Generate the model-view matrix for the current frame. |
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89 pub fn get_model_view(&self) -> Mat4 { |
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90 let [x, y, z] = self.position.values(self.frame); |
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91 |
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92 let [dx, dy, dz] = self.direction.values(self.frame); |
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93 |
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94 let view = setup_camera(dx, dy, dz); |
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95 |
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96 let model = Mat4::new([[1., 0., 0., 0.], |
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97 [0., 1., 0., 0.], |
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98 [0., 0., 1., 0.], |
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99 [-x, -y, -z, 1.]]); |
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100 model * view |
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101 } |
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102 } |