WTS/game/scripts/shaders.rpy

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2022-05-16 23:48:22 +00:00
init python:
renpy.register_shader("outline_shader", fragment_300="""
const float THICKNESS = 1.0 / 128.0;
vec4 col = texture2D(tex0, v_tex_coord);
if (col.a <= 0.5) {
float a = texture2D(tex0, vec2(v_tex_coord.x + THICKNESS, v_tex_coord.y)).a +
texture2D(tex0, vec2(v_tex_coord.x, v_tex_coord.y - THICKNESS)).a +
texture2D(tex0, vec2(v_tex_coord.x - THICKNESS, v_tex_coord.y)).a +
texture2D(tex0, vec2(v_tex_coord.x, v_tex_coord.y + THICKNESS)).a;
if (col.a < 1.0 && a > 0.0)
gl_FragColor = vec4(0.0, 1.0, 0.0, 0.8);
else
gl_FragColor = col;
}
""")
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renpy.register_shader("color_temperature_shader", variables="""
uniform float u_factor;
uniform float u_strength;
""", fragment_functions="""
vec3 ctemp2rgb(float ctemp) {
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mat3 m = (ctemp <= 6500.0) ? mat3(vec3(0.0, -2902.1955373783176, -8257.7997278925690),
vec3(0.0, 1669.5803561666639, 2575.2827530017594),
vec3(1.0, 1.3302673723350029, 1.8993753891711275)) :
mat3(vec3(1745.0425298314172, 1216.6168361476490, -8257.7997278925690),
vec3(-2666.3474220535695, -2173.1012343082230, 2575.2827530017594),
vec3(0.55995389139931482, 0.70381203140554553, 1.8993753891711275));
return mix(clamp(vec3(m[0] / (vec3(clamp(ctemp, 1000.0, 40000.0)) + m[1]) + m[2]), vec3(0.0), vec3(1.0)), vec3(1.0), smoothstep(1000.0, 0.0, ctemp));
}
""", fragment_300="""
float ctemp = mix(1000.0, 40000.0, u_factor);
gl_FragColor = vec4(mix(gl_FragColor.xyz, gl_FragColor.xyz * ctemp2rgb(ctemp), u_strength), 1.0);
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""")
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renpy.register_shader("pixelatemaskshader", variables="""
uniform sampler2D tex0;
uniform sampler2D tex1;
uniform vec2 res0;
uniform float u_step;
uniform float u_lod_bias;
attribute vec2 a_tex_coord;
varying vec2 v_tex_coord;
""", vertex_600="""
v_tex_coord = a_tex_coord;
""", fragment_functions="""
vec2 CalculateNewUV(vec2 uv, vec2 size, float step) {
float dx = (step / size.x);
float dy = (step / size.y);
return vec2(dx*(floor(uv.x/dx) + 0.5), dy*(floor(uv.y/dy) + 0.5));
}
vec4 PixelateMask(sampler2D source, float alpha, vec2 size, vec2 uv, float step, float lod) {
if (alpha > 0.0) {
vec2 new_uv = CalculateNewUV(uv, size, step);
vec4 old = vec4(texture2D(source, uv, lod).rgb, 1.0);
vec4 new = vec4(texture2D(source, new_uv, lod).rgb, 1.0);
return mix(old, new, alpha);
}
return texture2D(source, uv, lod);
}
""", fragment_600="""
float alpha = texture2D(tex1, v_tex_coord).a;
gl_FragColor = PixelateMask(tex0, alpha, res0, v_tex_coord, u_step, u_lod_bias);
""")
class PixelateMask(renpy.Displayable, NoRollback):
def __init__(self, child, mask, step=1.0, **kwargs):
super().__init__(**kwargs)
self.child = renpy.displayable(child)
self.mask = renpy.displayable(mask)
self.step = step
def render(self, width, height, st, at):
child = renpy.display.render.render(self.child, width, height, st, at)
mask = renpy.display.render.render(self.mask, width, height, st, at)
rv = renpy.display.render.Render(width, height)
if renpy.display.render.models:
rv.mesh = True
rv.add_shader("pixelatemaskshader")
rv.add_uniform("u_step", self.step)
rv.blit(child, (0, 0))
rv.blit(mask, (0, 0))
renpy.redraw(self, 0)
return rv
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transform color_temperature(factor=1.0, strength=1.0):
mesh True
shader "color_temperature_shader"
u_factor factor # 0.075 dusk, 0.1 dawn, 0.5 evening, 1.0 night
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u_strength strength