Files
LNXSDK/leenkx/Sources/leenkx/object/Uniforms.hx
2025-01-22 16:18:30 +01:00

250 lines
7.8 KiB
Haxe

package leenkx.object;
import iron.Scene;
import iron.object.Object;
import iron.data.MaterialData;
import iron.math.Vec4;
import kha.arrays.Float32Array;
import leenkx.renderpath.Postprocess;
using StringTools;
// Structure for setting shader uniforms
class Uniforms {
public static function register() {
iron.object.Uniforms.externalTextureLinks = [textureLink];
iron.object.Uniforms.externalVec2Links = [vec2Link];
iron.object.Uniforms.externalVec3Links = [vec3Link];
iron.object.Uniforms.externalVec4Links = [];
iron.object.Uniforms.externalFloatLinks = [floatLink];
iron.object.Uniforms.externalFloatsLinks = [floatsLink];
iron.object.Uniforms.externalIntLinks = [intLink];
}
public static function textureLink(object: Object, mat: MaterialData, link: String): Null<kha.Image> {
switch (link) {
case "_nishitaLUT": {
if (leenkx.renderpath.Nishita.data == null) leenkx.renderpath.Nishita.recompute(Scene.active.world);
return leenkx.renderpath.Nishita.data.lut;
}
#if lnx_ltc
case "_ltcMat": {
if (leenkx.data.ConstData.ltcMatTex == null) leenkx.data.ConstData.initLTC();
return leenkx.data.ConstData.ltcMatTex;
}
case "_ltcMag": {
if (leenkx.data.ConstData.ltcMagTex == null) leenkx.data.ConstData.initLTC();
return leenkx.data.ConstData.ltcMagTex;
}
#end
#if lnx_morph_target
case "_morphDataPos": {
return cast(object, iron.object.MeshObject).morphTarget.morphDataPos;
}
case "_morphDataNor": {
return cast(object, iron.object.MeshObject).morphTarget.morphDataNor;
}
#end
}
var target = iron.RenderPath.active.renderTargets.get(link.endsWith("_depth") ? link.substr(0, link.length - 6) : link);
return target != null ? target.image : null;
}
public static function vec3Link(object: Object, mat: MaterialData, link: String): Null<iron.math.Vec4> {
var v: Vec4 = null;
switch (link) {
#if lnx_hosek
case "_hosekA": {
if (leenkx.renderpath.HosekWilkie.data == null) {
leenkx.renderpath.HosekWilkie.recompute(Scene.active.world);
}
if (leenkx.renderpath.HosekWilkie.data != null) {
v = iron.object.Uniforms.helpVec;
v.x = leenkx.renderpath.HosekWilkie.data.A.x;
v.y = leenkx.renderpath.HosekWilkie.data.A.y;
v.z = leenkx.renderpath.HosekWilkie.data.A.z;
}
}
case "_hosekB": {
if (leenkx.renderpath.HosekWilkie.data == null) {
leenkx.renderpath.HosekWilkie.recompute(Scene.active.world);
}
if (leenkx.renderpath.HosekWilkie.data != null) {
v = iron.object.Uniforms.helpVec;
v.x = leenkx.renderpath.HosekWilkie.data.B.x;
v.y = leenkx.renderpath.HosekWilkie.data.B.y;
v.z = leenkx.renderpath.HosekWilkie.data.B.z;
}
}
case "_hosekC": {
if (leenkx.renderpath.HosekWilkie.data == null) {
leenkx.renderpath.HosekWilkie.recompute(Scene.active.world);
}
if (leenkx.renderpath.HosekWilkie.data != null) {
v = iron.object.Uniforms.helpVec;
v.x = leenkx.renderpath.HosekWilkie.data.C.x;
v.y = leenkx.renderpath.HosekWilkie.data.C.y;
v.z = leenkx.renderpath.HosekWilkie.data.C.z;
}
}
case "_hosekD": {
if (leenkx.renderpath.HosekWilkie.data == null) {
leenkx.renderpath.HosekWilkie.recompute(Scene.active.world);
}
if (leenkx.renderpath.HosekWilkie.data != null) {
v = iron.object.Uniforms.helpVec;
v.x = leenkx.renderpath.HosekWilkie.data.D.x;
v.y = leenkx.renderpath.HosekWilkie.data.D.y;
v.z = leenkx.renderpath.HosekWilkie.data.D.z;
}
}
case "_hosekE": {
if (leenkx.renderpath.HosekWilkie.data == null) {
leenkx.renderpath.HosekWilkie.recompute(Scene.active.world);
}
if (leenkx.renderpath.HosekWilkie.data != null) {
v = iron.object.Uniforms.helpVec;
v.x = leenkx.renderpath.HosekWilkie.data.E.x;
v.y = leenkx.renderpath.HosekWilkie.data.E.y;
v.z = leenkx.renderpath.HosekWilkie.data.E.z;
}
}
case "_hosekF": {
if (leenkx.renderpath.HosekWilkie.data == null) {
leenkx.renderpath.HosekWilkie.recompute(Scene.active.world);
}
if (leenkx.renderpath.HosekWilkie.data != null) {
v = iron.object.Uniforms.helpVec;
v.x = leenkx.renderpath.HosekWilkie.data.F.x;
v.y = leenkx.renderpath.HosekWilkie.data.F.y;
v.z = leenkx.renderpath.HosekWilkie.data.F.z;
}
}
case "_hosekG": {
if (leenkx.renderpath.HosekWilkie.data == null) {
leenkx.renderpath.HosekWilkie.recompute(Scene.active.world);
}
if (leenkx.renderpath.HosekWilkie.data != null) {
v = iron.object.Uniforms.helpVec;
v.x = leenkx.renderpath.HosekWilkie.data.G.x;
v.y = leenkx.renderpath.HosekWilkie.data.G.y;
v.z = leenkx.renderpath.HosekWilkie.data.G.z;
}
}
case "_hosekH": {
if (leenkx.renderpath.HosekWilkie.data == null) {
leenkx.renderpath.HosekWilkie.recompute(Scene.active.world);
}
if (leenkx.renderpath.HosekWilkie.data != null) {
v = iron.object.Uniforms.helpVec;
v.x = leenkx.renderpath.HosekWilkie.data.H.x;
v.y = leenkx.renderpath.HosekWilkie.data.H.y;
v.z = leenkx.renderpath.HosekWilkie.data.H.z;
}
}
case "_hosekI": {
if (leenkx.renderpath.HosekWilkie.data == null) {
leenkx.renderpath.HosekWilkie.recompute(Scene.active.world);
}
if (leenkx.renderpath.HosekWilkie.data != null) {
v = iron.object.Uniforms.helpVec;
v.x = leenkx.renderpath.HosekWilkie.data.I.x;
v.y = leenkx.renderpath.HosekWilkie.data.I.y;
v.z = leenkx.renderpath.HosekWilkie.data.I.z;
}
}
case "_hosekZ": {
if (leenkx.renderpath.HosekWilkie.data == null) {
leenkx.renderpath.HosekWilkie.recompute(Scene.active.world);
}
if (leenkx.renderpath.HosekWilkie.data != null) {
v = iron.object.Uniforms.helpVec;
v.x = leenkx.renderpath.HosekWilkie.data.Z.x;
v.y = leenkx.renderpath.HosekWilkie.data.Z.y;
v.z = leenkx.renderpath.HosekWilkie.data.Z.z;
}
}
#end
}
return v;
}
public static function vec2Link(object: Object, mat: MaterialData, link: String): Null<iron.math.Vec4> {
var v: Vec4 = null;
switch (link) {
case "_nishitaDensity": {
var w = Scene.active.world;
if (w != null) {
v = iron.object.Uniforms.helpVec;
// We only need Rayleigh and Mie density in the sky shader -> Vec2
v.x = w.raw.nishita_density[0];
v.y = w.raw.nishita_density[1];
}
}
}
return v;
}
public static function floatLink(object: Object, mat: MaterialData, link: String): Null<kha.FastFloat> {
switch (link) {
#if rp_dynres
case "_dynamicScale": {
return leenkx.renderpath.DynamicResolutionScale.dynamicScale;
}
#end
#if lnx_debug
case "_debugFloat": {
return leenkx.trait.internal.DebugConsole.debugFloat;
}
#end
#if rp_bloom
case "_bloomSampleScale": {
return Postprocess.bloom_uniforms[3];
}
#end
}
return null;
}
public static function floatsLink(object: Object, mat: MaterialData, link: String): Float32Array {
switch (link) {
#if (rp_voxels != "Off")
case "_clipmaps": {
var clipmaps = iron.RenderPath.clipmaps;
var fa:Float32Array = new Float32Array(Main.voxelgiClipmapCount * 10);
for (i in 0...Main.voxelgiClipmapCount) {
fa[i * 10] = clipmaps[i].voxelSize;
fa[i * 10 + 1] = clipmaps[i].extents.x;
fa[i * 10 + 2] = clipmaps[i].extents.y;
fa[i * 10 + 3] = clipmaps[i].extents.z;
fa[i * 10 + 4] = clipmaps[i].center.x;
fa[i * 10 + 5] = clipmaps[i].center.y;
fa[i * 10 + 6] = clipmaps[i].center.z;
fa[i * 10 + 7] = clipmaps[i].offset_prev.x;
fa[i * 10 + 8] = clipmaps[i].offset_prev.y;
fa[i * 10 + 9] = clipmaps[i].offset_prev.z;
}
return fa;
}
#end
}
return null;
}
public static function intLink(object: Object, mat: MaterialData, link: String): Null<Int> {
switch (link) {
#if (rp_voxels != "Off")
case "_clipmapLevel": {
return iron.RenderPath.clipmapLevel;
}
#end
}
return null;
}
}