Mercurial > touhou
annotate src/th06/anm0_vm.rs @ 660:31fc0d881105
Make ecl_vm compile, and use it in eclrenderer (doesn’t render yet).
author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
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date | Sat, 10 Aug 2019 14:41:30 +0200 |
parents | 3a9d82a02c88 |
children | 598f3125cbac |
rev | line source |
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639
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Implement AnmRunner.
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1 //! Animation runner. |
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2 |
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3 use crate::th06::anm0::{ |
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4 Script, |
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5 Anm0, |
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6 Call, |
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7 Instruction, |
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8 }; |
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9 use crate::th06::interpolator::{Interpolator1, Interpolator2, Interpolator3, Formula}; |
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10 use crate::util::math::Mat4; |
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11 use crate::util::prng::Prng; |
639
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12 use std::cell::RefCell; |
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13 use std::rc::{Rc, Weak}; |
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14 |
643
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15 /// TODO |
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16 #[repr(C)] |
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17 #[derive(Debug)] |
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18 pub struct Vertex { |
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19 /// XXX |
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20 pub pos: [i16; 3], |
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21 /// XXX |
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22 pub uv: [f32; 2], |
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23 /// XXX |
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24 pub color: [u8; 4], |
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25 } |
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26 |
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27 /// Base visual element. |
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28 #[derive(Debug, Clone, Default)] |
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29 pub struct Sprite { |
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30 blendfunc: u32, |
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31 frame: u16, |
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32 |
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33 width_override: f32, |
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34 height_override: f32, |
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35 angle: f32, |
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36 |
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37 removed: bool, |
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38 changed: bool, |
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39 visible: bool, |
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40 force_rotation: bool, |
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41 automatic_orientation: bool, |
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42 allow_dest_offset: bool, |
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43 mirrored: bool, |
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44 corner_relative_placement: bool, |
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45 |
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46 scale_interpolator: Option<Interpolator2<f32>>, |
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47 fade_interpolator: Option<Interpolator1<f32>>, // XXX: should be u8! |
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48 offset_interpolator: Option<Interpolator3<f32>>, |
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49 rotation_interpolator: Option<Interpolator3<f32>>, |
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50 color_interpolator: Option<Interpolator3<f32>>, // XXX: should be u8! |
639
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51 |
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52 anm: Option<Anm0>, |
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53 |
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54 dest_offset: [f32; 3], |
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55 texcoords: [f32; 4], |
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56 texoffsets: [f32; 2], |
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57 rescale: [f32; 2], |
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58 scale_speed: [f32; 2], |
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59 rotations_3d: [f32; 3], |
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60 rotations_speed_3d: [f32; 3], |
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61 color: [u8; 4], |
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62 } |
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63 |
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64 impl Sprite { |
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65 /// Create a new sprite. |
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66 pub fn new() -> Sprite { |
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67 Sprite { |
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68 changed: true, |
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69 visible: true, |
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70 rescale: [1., 1.], |
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71 color: [255, 255, 255, 255], |
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72 ..Default::default() |
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73 } |
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74 } |
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75 |
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76 /// Create a new sprite overriding its size. |
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77 pub fn with_size(width_override: f32, height_override: f32) -> Sprite { |
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78 Sprite { |
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79 width_override, |
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80 height_override, |
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81 changed: true, |
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82 visible: true, |
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83 rescale: [1., 1.], |
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84 color: [255, 255, 255, 255], |
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85 ..Default::default() |
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86 } |
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87 } |
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88 |
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89 /// TODO |
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90 pub fn fill_vertices(&self, vertices: &mut [Vertex; 4]) { |
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91 let mut mat = Mat4::new([[-0.5, 0.5, 0.5, -0.5], |
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92 [-0.5, -0.5, 0.5, 0.5], |
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93 [0., 0., 0., 0.], |
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94 [1., 1., 1., 1.]]); |
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95 |
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96 let [tx, ty, tw, th] = self.texcoords; |
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97 let [sx, sy] = self.rescale; |
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98 let width = if self.width_override > 0. { self.width_override } else { tw * sx }; |
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99 let height = if self.height_override > 0. { self.height_override } else { th * sy }; |
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100 |
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101 mat.scale2d(width, height); |
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102 if self.mirrored { |
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103 mat.flip(); |
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104 } |
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105 |
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106 let [rx, ry, mut rz] = self.rotations_3d; |
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107 if self.automatic_orientation { |
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108 rz += std::f32::consts::PI / 2. - self.angle; |
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109 } else if self.force_rotation { |
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110 rz += self.angle; |
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111 } |
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112 |
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113 if rx != 0. { |
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114 mat.rotate_x(-rx); |
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115 } |
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116 if ry != 0. { |
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117 mat.rotate_y(ry); |
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118 } |
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119 if rz != 0. { |
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120 mat.rotate_z(-rz); |
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121 } |
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122 |
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123 if self.allow_dest_offset { |
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124 mat.translate(self.dest_offset); |
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125 } |
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126 if self.corner_relative_placement { |
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127 mat.translate_2d(width / 2., height / 2.); |
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128 } |
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129 |
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130 let mat = mat.borrow_inner(); |
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131 vertices[0].pos[0] = mat[0][0] as i16; |
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132 vertices[0].pos[1] = mat[1][0] as i16; |
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133 vertices[0].pos[2] = mat[2][0] as i16; |
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134 vertices[1].pos[0] = mat[0][1] as i16; |
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135 vertices[1].pos[1] = mat[1][1] as i16; |
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136 vertices[1].pos[2] = mat[2][1] as i16; |
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137 vertices[2].pos[0] = mat[0][2] as i16; |
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138 vertices[2].pos[1] = mat[1][2] as i16; |
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139 vertices[2].pos[2] = mat[2][2] as i16; |
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140 vertices[3].pos[0] = mat[0][3] as i16; |
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141 vertices[3].pos[1] = mat[1][3] as i16; |
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142 vertices[3].pos[2] = mat[2][3] as i16; |
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143 |
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144 // XXX: don’t clone here. |
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145 let (x_1, y_1) = self.anm.clone().unwrap().inv_size(); |
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146 let [tox, toy] = self.texoffsets; |
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147 let left = tx * x_1 + tox; |
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148 let right = (tx + tw) * x_1 + tox; |
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149 let bottom = ty * y_1 + toy; |
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150 let top = (ty + th) * y_1 + toy; |
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151 |
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152 vertices[0].uv[0] = left; |
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153 vertices[0].uv[1] = bottom; |
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154 vertices[1].uv[0] = right; |
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155 vertices[1].uv[1] = bottom; |
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156 vertices[2].uv[0] = right; |
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157 vertices[2].uv[1] = top; |
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158 vertices[3].uv[0] = left; |
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159 vertices[3].uv[1] = top; |
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160 |
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161 vertices[0].color = self.color; |
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162 vertices[1].color = self.color; |
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163 vertices[2].color = self.color; |
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164 vertices[3].color = self.color; |
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165 } |
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166 |
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167 /// Update sprite values from the interpolators. |
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168 pub fn update(&mut self) { |
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169 self.frame += 1; |
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170 self.corner_relative_placement = true; |
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171 |
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172 let [sax, say, saz] = self.rotations_speed_3d; |
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173 if sax != 0. || say != 0. || saz != 0. { |
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174 let [ax, ay, az] = self.rotations_3d; |
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175 self.rotations_3d = [ax + sax, ay + say, az + saz]; |
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176 self.changed = true; |
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177 } else if let Some(ref interpolator) = self.rotation_interpolator { |
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178 self.rotations_3d = interpolator.values(self.frame); |
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179 self.changed = true; |
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180 } |
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181 |
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182 let [rsx, rsy] = self.scale_speed; |
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183 if rsx != 0. || rsy != 0. { |
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184 let [rx, ry] = self.rescale; |
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185 self.rescale = [rx + rsx, ry + rsy]; |
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186 self.changed = true; |
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187 } |
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188 |
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189 if let Some(ref interpolator) = self.fade_interpolator { |
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190 self.color[3] = interpolator.values(self.frame)[0] as u8; |
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191 self.changed = true; |
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192 } |
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193 |
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194 if let Some(ref interpolator) = self.scale_interpolator { |
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195 self.rescale = interpolator.values(self.frame); |
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196 self.changed = true; |
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197 } |
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198 |
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199 if let Some(ref interpolator) = self.offset_interpolator { |
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200 self.dest_offset = interpolator.values(self.frame); |
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201 self.changed = true; |
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202 } |
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203 |
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204 if let Some(ref interpolator) = self.color_interpolator { |
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205 let color = interpolator.values(self.frame); |
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206 // TODO: this can probably be made to look nicer. |
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207 self.color[0] = color[0] as u8; |
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208 self.color[1] = color[1] as u8; |
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209 self.color[2] = color[2] as u8; |
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210 self.changed = true; |
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211 } |
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212 } |
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213 } |
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214 |
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215 /// Interpreter for `Anm0` instructions to update a `Sprite`. |
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216 pub struct AnmRunner { |
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217 anm: Anm0, |
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218 sprite: Rc<RefCell<Sprite>>, |
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219 prng: Weak<RefCell<Prng>>, |
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220 running: bool, |
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221 sprite_index_offset: u32, |
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222 script: Script, |
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223 instruction_pointer: usize, |
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224 frame: u16, |
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225 waiting: bool, |
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226 variables: ([i32; 4], [f32; 4], [i32; 4]), |
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227 timeout: Option<u16>, |
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228 } |
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229 |
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230 impl AnmRunner { |
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231 /// Create a new `AnmRunner`. |
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232 pub fn new(anm: &Anm0, script_id: u8, sprite: Rc<RefCell<Sprite>>, prng: Weak<RefCell<Prng>>, sprite_index_offset: u32) -> AnmRunner { |
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233 let mut runner = AnmRunner { |
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234 anm: anm.clone(), |
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235 sprite: sprite, |
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236 prng, |
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237 running: true, |
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238 waiting: false, |
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239 |
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240 script: anm.scripts[&script_id].clone(), |
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241 frame: 0, |
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242 timeout: None, |
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243 instruction_pointer: 0, |
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244 variables: ([0, 0, 0, 0 ], |
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245 [0., 0., 0., 0.], |
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246 [0, 0, 0, 0 ]), |
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247 |
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248 sprite_index_offset: sprite_index_offset, |
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249 }; |
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250 runner.run_frame(); |
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251 runner.sprite_index_offset = 0; |
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252 runner |
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253 } |
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254 |
658
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255 /// Get a Rc from the inner Sprite. |
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256 pub fn get_sprite(&self) -> Rc<RefCell<Sprite>> { |
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257 self.sprite.clone() |
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258 } |
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259 |
639
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260 /// Trigger an interrupt. |
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261 pub fn interrupt(&mut self, interrupt: i32) -> bool { |
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262 let mut new_ip = self.script.interrupts.get(&interrupt); |
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263 if new_ip.is_none() { |
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264 new_ip = self.script.interrupts.get(&-1); |
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265 } |
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266 let new_ip = if let Some(new_ip) = new_ip { |
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267 *new_ip as usize |
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268 } else { |
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269 return false; |
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270 }; |
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271 self.instruction_pointer = new_ip; |
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272 let Call { time: frame, instr: _ } = &self.script.instructions[self.instruction_pointer]; |
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273 self.frame = *frame; |
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274 self.waiting = false; |
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275 self.sprite.borrow_mut().visible = true; |
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276 true |
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277 } |
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278 |
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279 /// Advance the Anm of a single frame. |
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280 pub fn run_frame(&mut self) -> bool { |
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281 if !self.running { |
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282 return false; |
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283 } |
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284 |
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285 while self.running && !self.waiting { |
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286 let Call { time: frame, instr } = self.script.instructions[self.instruction_pointer]; |
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287 let frame = frame.clone(); |
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288 |
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289 if frame > self.frame { |
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290 break; |
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291 } else { |
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292 self.instruction_pointer += 1; |
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293 } |
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294 |
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295 if frame == self.frame { |
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296 self.run_instruction(instr); |
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297 self.sprite.borrow_mut().changed = true; |
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298 } |
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299 } |
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300 |
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301 if !self.waiting { |
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302 self.frame += 1; |
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303 } else if let Some(timeout) = self.timeout { |
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304 if timeout == self.sprite.borrow().frame { // TODO: check if it’s happening at the correct frame. |
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305 self.waiting = false; |
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306 } |
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307 } |
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308 |
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309 self.sprite.borrow_mut().update(); |
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310 |
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311 self.running |
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312 } |
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313 |
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314 fn run_instruction(&mut self, instruction: Instruction) { |
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315 let mut sprite = self.sprite.borrow_mut(); |
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316 match instruction { |
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317 Instruction::Delete() => { |
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318 sprite.removed = true; |
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319 self.running = false; |
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320 } |
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321 Instruction::LoadSprite(sprite_index) => { |
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322 sprite.anm = Some(self.anm.clone()); |
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323 let texcoords = &self.anm.sprites[(sprite_index + self.sprite_index_offset) as usize]; |
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324 sprite.texcoords = [texcoords.x, texcoords.y, texcoords.width, texcoords.height]; |
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325 } |
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326 Instruction::SetScale(sx, sy) => { |
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327 sprite.rescale = [sx, sy]; |
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328 } |
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329 Instruction::SetAlpha(alpha) => { |
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330 // TODO: check this modulo. |
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331 sprite.color[3] = (alpha % 256) as u8; |
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332 } |
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333 Instruction::SetColor(b, g, r) => { |
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334 if sprite.fade_interpolator.is_none() { |
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335 sprite.color[0] = r; |
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336 sprite.color[1] = g; |
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337 sprite.color[2] = b; |
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338 } |
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339 } |
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340 Instruction::Jump(pointer) => { |
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341 // TODO: is that really how it works? |
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342 self.instruction_pointer = pointer as usize; |
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343 self.frame = self.script.instructions[pointer as usize].time; |
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344 } |
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345 Instruction::ToggleMirrored() => { |
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346 sprite.mirrored = !sprite.mirrored; |
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347 } |
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348 Instruction::SetRotations3d(rx, ry, rz) => { |
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349 sprite.rotations_3d = [rx, ry, rz]; |
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350 } |
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351 Instruction::SetRotationsSpeed3d(srx, sry, srz) => { |
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352 sprite.rotations_speed_3d = [srx, sry, srz]; |
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353 } |
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354 Instruction::SetScaleSpeed(ssx, ssy) => { |
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355 sprite.scale_speed = [ssx, ssy]; |
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356 } |
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357 Instruction::Fade(new_alpha, duration) => { |
641
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358 sprite.fade_interpolator = Some(Interpolator1::new([sprite.color[3] as f32], sprite.frame, [new_alpha as f32], sprite.frame + duration as u16, Formula::Linear)); |
639
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359 } |
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360 Instruction::SetBlendmodeAlphablend() => { |
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361 sprite.blendfunc = 1; |
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362 } |
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363 Instruction::SetBlendmodeAdd() => { |
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364 sprite.blendfunc = 0; |
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365 } |
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366 Instruction::KeepStill() => { |
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367 self.running = false; |
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368 } |
646
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645
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369 Instruction::LoadRandomSprite(min_index, mut amplitude) => { |
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370 if amplitude > 0 { |
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371 let prng = self.prng.upgrade().unwrap(); |
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372 let rand = prng.borrow_mut().get_u16(); |
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373 amplitude = (rand as u32) % amplitude; |
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374 } |
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375 let sprite_index = min_index + amplitude; |
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376 |
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377 // TODO: refactor that with Instruction::LoadSprite. |
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378 sprite.anm = Some(self.anm.clone()); |
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379 let texcoords = &self.anm.sprites[(sprite_index + self.sprite_index_offset) as usize]; |
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380 sprite.texcoords = [texcoords.x, texcoords.y, texcoords.width, texcoords.height]; |
639
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381 } |
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382 Instruction::Move(x, y, z) => { |
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383 sprite.dest_offset = [x, y, z]; |
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384 } |
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385 Instruction::MoveToLinear(x, y, z, duration) => { |
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386 sprite.offset_interpolator = Some(Interpolator3::new(sprite.dest_offset, sprite.frame, [x, y, z], sprite.frame + duration as u16, Formula::Linear)); |
639
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387 } |
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388 Instruction::MoveToDecel(x, y, z, duration) => { |
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389 sprite.offset_interpolator = Some(Interpolator3::new(sprite.dest_offset, sprite.frame, [x, y, z], sprite.frame + duration as u16, Formula::InvertPower2)); |
639
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390 } |
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391 Instruction::MoveToAccel(x, y, z, duration) => { |
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392 sprite.offset_interpolator = Some(Interpolator3::new(sprite.dest_offset, sprite.frame, [x, y, z], sprite.frame + duration as u16, Formula::Power2)); |
639
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393 } |
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394 Instruction::Wait() => { |
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395 self.waiting = true; |
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396 } |
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397 // There is nothing to do here. |
641
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398 Instruction::InterruptLabel(_label) => (), |
639
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399 Instruction::SetCornerRelativePlacement() => { |
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400 sprite.corner_relative_placement = true; |
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401 } |
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402 Instruction::WaitEx() => { |
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403 sprite.visible = false; |
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404 self.waiting = true; |
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405 } |
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406 Instruction::SetAllowOffset(value) => { |
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407 sprite.allow_dest_offset = value == 1 |
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408 } |
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409 Instruction::SetAutomaticOrientation(value) => { |
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410 sprite.automatic_orientation = value == 1 |
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411 } |
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412 Instruction::ShiftTextureX(dx) => { |
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413 let [tox, toy] = sprite.texoffsets; |
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414 sprite.texoffsets = [tox + dx, toy]; |
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415 } |
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416 Instruction::ShiftTextureY(dy) => { |
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417 let [tox, toy] = sprite.texoffsets; |
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418 sprite.texoffsets = [tox, toy + dy]; |
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419 } |
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420 Instruction::SetVisible(visible) => { |
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421 sprite.visible = (visible & 1) != 0; |
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422 } |
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423 Instruction::ScaleIn(sx, sy, duration) => { |
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424 sprite.scale_interpolator = Some(Interpolator2::new(sprite.rescale, sprite.frame, [sx, sy], sprite.frame + duration as u16, Formula::Linear)); |
639
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425 } |
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426 Instruction::Todo(_todo) => { |
639
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427 // TODO. |
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428 } |
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429 } |
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430 } |
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431 } |
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432 |
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433 #[cfg(test)] |
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434 mod tests { |
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435 use super::*; |
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436 use std::io::{self, Read}; |
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437 use std::fs::File; |
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438 |
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439 #[test] |
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440 fn anm_runner() { |
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441 let file = File::open("EoSD/CM/player01.anm").unwrap(); |
639
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442 let mut file = io::BufReader::new(file); |
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443 let mut buf = vec![]; |
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444 file.read_to_end(&mut buf).unwrap(); |
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445 let anm0 = Anm0::from_slice(&buf).unwrap(); |
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446 assert_eq!(anm0.size, (256, 256)); |
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447 assert_eq!(anm0.format, 5); |
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448 let sprite = Rc::new(RefCell::new(Sprite::new())); |
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449 let prng = Rc::new(RefCell::new(Prng::new(0))); |
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450 let mut anm_runner = AnmRunner::new(&anm0, 1, sprite.clone(), Rc::downgrade(&prng), 0); |
639
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451 for _ in 0..50 { |
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452 anm_runner.run_frame(); |
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453 } |
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454 } |
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455 } |