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authorIronClawTrem <louie.nutman@gmail.com>2020-02-16 03:40:06 +0000
committerIronClawTrem <louie.nutman@gmail.com>2020-02-16 03:40:06 +0000
commit425decdf7e9284d15aa726e3ae96b9942fb0e3ea (patch)
tree6c0dd7edfefff1be7b9e75fe0b3a0a85fe1595f3 /src/renderergl2/glsl/generic_vp.glsl
parentccb0b2e4d6674a7a00c9bf491f08fc73b6898c54 (diff)
create tremded branch
Diffstat (limited to 'src/renderergl2/glsl/generic_vp.glsl')
-rw-r--r--src/renderergl2/glsl/generic_vp.glsl239
1 files changed, 239 insertions, 0 deletions
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
+}