From 425decdf7e9284d15aa726e3ae96b9942fb0e3ea Mon Sep 17 00:00:00 2001 From: IronClawTrem Date: Sun, 16 Feb 2020 03:40:06 +0000 Subject: create tremded branch --- src/renderergl2/glsl/generic_vp.glsl | 239 +++++++++++++++++++++++++++++++++++ 1 file changed, 239 insertions(+) create mode 100644 src/renderergl2/glsl/generic_vp.glsl (limited to 'src/renderergl2/glsl/generic_vp.glsl') diff --git a/src/renderergl2/glsl/generic_vp.glsl b/src/renderergl2/glsl/generic_vp.glsl new file mode 100644 index 0000000..bbe08e8 --- /dev/null +++ b/src/renderergl2/glsl/generic_vp.glsl @@ -0,0 +1,239 @@ +attribute vec3 attr_Position; +attribute vec3 attr_Normal; + +#if defined(USE_VERTEX_ANIMATION) +attribute vec3 attr_Position2; +attribute vec3 attr_Normal2; +#endif + +attribute vec4 attr_Color; +attribute vec4 attr_TexCoord0; + +#if defined(USE_TCGEN) +attribute vec4 attr_TexCoord1; +#endif + +uniform vec4 u_DiffuseTexMatrix; +uniform vec4 u_DiffuseTexOffTurb; + +#if defined(USE_TCGEN) || defined(USE_RGBAGEN) +uniform vec3 u_LocalViewOrigin; +#endif + +#if defined(USE_TCGEN) +uniform int u_TCGen0; +uniform vec3 u_TCGen0Vector0; +uniform vec3 u_TCGen0Vector1; +#endif + +#if defined(USE_FOG) +uniform vec4 u_FogDistance; +uniform vec4 u_FogDepth; +uniform float u_FogEyeT; +uniform vec4 u_FogColorMask; +#endif + +#if defined(USE_DEFORM_VERTEXES) +uniform int u_DeformGen; +uniform float u_DeformParams[5]; +uniform float u_Time; +#endif + +uniform mat4 u_ModelViewProjectionMatrix; +uniform vec4 u_BaseColor; +uniform vec4 u_VertColor; + +#if defined(USE_RGBAGEN) +uniform int u_ColorGen; +uniform int u_AlphaGen; +uniform vec3 u_AmbientLight; +uniform vec3 u_DirectedLight; +uniform vec3 u_ModelLightDir; +uniform float u_PortalRange; +#endif + +#if defined(USE_VERTEX_ANIMATION) +uniform float u_VertexLerp; +#endif + +varying vec2 var_DiffuseTex; +varying vec4 var_Color; + +#if defined(USE_DEFORM_VERTEXES) +vec3 DeformPosition(const vec3 pos, const vec3 normal, const vec2 st) +{ + float base = u_DeformParams[0]; + float amplitude = u_DeformParams[1]; + float phase = u_DeformParams[2]; + float frequency = u_DeformParams[3]; + float spread = u_DeformParams[4]; + + if (u_DeformGen == DGEN_BULGE) + { + phase *= st.x; + } + else // if (u_DeformGen <= DGEN_WAVE_INVERSE_SAWTOOTH) + { + phase += dot(pos.xyz, vec3(spread)); + } + + float value = phase + (u_Time * frequency); + float func; + + if (u_DeformGen == DGEN_WAVE_SIN) + { + func = sin(value * 2.0 * M_PI); + } + else if (u_DeformGen == DGEN_WAVE_SQUARE) + { + func = sign(fract(0.5 - value)); + } + else if (u_DeformGen == DGEN_WAVE_TRIANGLE) + { + func = abs(fract(value + 0.75) - 0.5) * 4.0 - 1.0; + } + else if (u_DeformGen == DGEN_WAVE_SAWTOOTH) + { + func = fract(value); + } + else if (u_DeformGen == DGEN_WAVE_INVERSE_SAWTOOTH) + { + func = (1.0 - fract(value)); + } + else // if (u_DeformGen == DGEN_BULGE) + { + func = sin(value); + } + + return pos + normal * (base + func * amplitude); +} +#endif + +#if defined(USE_TCGEN) +vec2 GenTexCoords(int TCGen, vec3 position, vec3 normal, vec3 TCGenVector0, vec3 TCGenVector1) +{ + vec2 tex = attr_TexCoord0.st; + + if (TCGen == TCGEN_LIGHTMAP) + { + tex = attr_TexCoord1.st; + } + else if (TCGen == TCGEN_ENVIRONMENT_MAPPED) + { + vec3 viewer = normalize(u_LocalViewOrigin - position); + vec2 ref = reflect(viewer, normal).yz; + tex.s = ref.x * -0.5 + 0.5; + tex.t = ref.y * 0.5 + 0.5; + } + else if (TCGen == TCGEN_VECTOR) + { + tex = vec2(dot(position, TCGenVector0), dot(position, TCGenVector1)); + } + + return tex; +} +#endif + +#if defined(USE_TCMOD) +vec2 ModTexCoords(vec2 st, vec3 position, vec4 texMatrix, vec4 offTurb) +{ + float amplitude = offTurb.z; + float phase = offTurb.w * 2.0 * M_PI; + vec2 st2; + st2.x = st.x * texMatrix.x + (st.y * texMatrix.z + offTurb.x); + st2.y = st.x * texMatrix.y + (st.y * texMatrix.w + offTurb.y); + + vec2 offsetPos = vec2(position.x + position.z, position.y); + + vec2 texOffset = sin(offsetPos * (2.0 * M_PI / 1024.0) + vec2(phase)); + + return st2 + texOffset * amplitude; +} +#endif + +#if defined(USE_RGBAGEN) +vec4 CalcColor(vec3 position, vec3 normal) +{ + vec4 color = u_VertColor * attr_Color + u_BaseColor; + + if (u_ColorGen == CGEN_LIGHTING_DIFFUSE) + { + float incoming = clamp(dot(normal, u_ModelLightDir), 0.0, 1.0); + + color.rgb = clamp(u_DirectedLight * incoming + u_AmbientLight, 0.0, 1.0); + } + + vec3 viewer = u_LocalViewOrigin - position; + + if (u_AlphaGen == AGEN_LIGHTING_SPECULAR) + { + vec3 lightDir = normalize(vec3(-960.0, 1980.0, 96.0) - position); + vec3 reflected = -reflect(lightDir, normal); + + color.a = clamp(dot(reflected, normalize(viewer)), 0.0, 1.0); + color.a *= color.a; + color.a *= color.a; + } + else if (u_AlphaGen == AGEN_PORTAL) + { + color.a = clamp(length(viewer) / u_PortalRange, 0.0, 1.0); + } + + return color; +} +#endif + +#if defined(USE_FOG) +float CalcFog(vec3 position) +{ + float s = dot(vec4(position, 1.0), u_FogDistance) * 8.0; + float t = dot(vec4(position, 1.0), u_FogDepth); + + float eyeOutside = float(u_FogEyeT < 0.0); + float fogged = float(t >= eyeOutside); + + t += 1e-6; + t *= fogged / (t - u_FogEyeT * eyeOutside); + + return s * t; +} +#endif + +void main() +{ +#if defined(USE_VERTEX_ANIMATION) + vec3 position = mix(attr_Position, attr_Position2, u_VertexLerp); + vec3 normal = mix(attr_Normal, attr_Normal2, u_VertexLerp); +#else + vec3 position = attr_Position; + vec3 normal = attr_Normal; +#endif + +#if defined(USE_DEFORM_VERTEXES) + position = DeformPosition(position, normal, attr_TexCoord0.st); +#endif + + gl_Position = u_ModelViewProjectionMatrix * vec4(position, 1.0); + +#if defined(USE_TCGEN) + vec2 tex = GenTexCoords(u_TCGen0, position, normal, u_TCGen0Vector0, u_TCGen0Vector1); +#else + vec2 tex = attr_TexCoord0.st; +#endif + +#if defined(USE_TCMOD) + var_DiffuseTex = ModTexCoords(tex, position, u_DiffuseTexMatrix, u_DiffuseTexOffTurb); +#else + var_DiffuseTex = tex; +#endif + +#if defined(USE_RGBAGEN) + var_Color = CalcColor(position, normal); +#else + var_Color = u_VertColor * attr_Color + u_BaseColor; +#endif + +#if defined(USE_FOG) + var_Color *= vec4(1.0) - u_FogColorMask * sqrt(clamp(CalcFog(position), 0.0, 1.0)); +#endif +} -- cgit