playcanvas
Version:
PlayCanvas WebGL game engine
352 lines (349 loc) • 10.1 kB
JavaScript
import { CULLFACE_BACK, BLENDEQUATION_REVERSE_SUBTRACT, BLENDMODE_ONE, BLENDEQUATION_ADD, BLENDMODE_ZERO, BLENDMODE_ONE_MINUS_SRC_ALPHA, BLENDMODE_SRC_ALPHA, BLENDMODE_SRC_COLOR, BLENDMODE_DST_COLOR, BLENDMODE_ONE_MINUS_DST_COLOR, BLENDEQUATION_MIN, BLENDEQUATION_MAX } from '../../platform/graphics/constants.js';
import { BlendState } from '../../platform/graphics/blend-state.js';
import { DepthState } from '../../platform/graphics/depth-state.js';
import { BLEND_NONE, BLEND_NORMAL, BLEND_SUBTRACTIVE, BLEND_PREMULTIPLIED, BLEND_ADDITIVE, BLEND_ADDITIVEALPHA, BLEND_MULTIPLICATIVE2X, BLEND_SCREEN, BLEND_MULTIPLICATIVE, BLEND_MIN, BLEND_MAX } from '../constants.js';
import { getDefaultMaterial } from './default-material.js';
var blendModes = [];
blendModes[BLEND_SUBTRACTIVE] = {
src: BLENDMODE_ONE,
dst: BLENDMODE_ONE,
op: BLENDEQUATION_REVERSE_SUBTRACT
};
blendModes[BLEND_NONE] = {
src: BLENDMODE_ONE,
dst: BLENDMODE_ZERO,
op: BLENDEQUATION_ADD
};
blendModes[BLEND_NORMAL] = {
src: BLENDMODE_SRC_ALPHA,
dst: BLENDMODE_ONE_MINUS_SRC_ALPHA,
op: BLENDEQUATION_ADD,
alphaSrc: BLENDMODE_ONE
};
blendModes[BLEND_PREMULTIPLIED] = {
src: BLENDMODE_ONE,
dst: BLENDMODE_ONE_MINUS_SRC_ALPHA,
op: BLENDEQUATION_ADD
};
blendModes[BLEND_ADDITIVE] = {
src: BLENDMODE_ONE,
dst: BLENDMODE_ONE,
op: BLENDEQUATION_ADD
};
blendModes[BLEND_ADDITIVEALPHA] = {
src: BLENDMODE_SRC_ALPHA,
dst: BLENDMODE_ONE,
op: BLENDEQUATION_ADD
};
blendModes[BLEND_MULTIPLICATIVE2X] = {
src: BLENDMODE_DST_COLOR,
dst: BLENDMODE_SRC_COLOR,
op: BLENDEQUATION_ADD
};
blendModes[BLEND_SCREEN] = {
src: BLENDMODE_ONE_MINUS_DST_COLOR,
dst: BLENDMODE_ONE,
op: BLENDEQUATION_ADD
};
blendModes[BLEND_MULTIPLICATIVE] = {
src: BLENDMODE_DST_COLOR,
dst: BLENDMODE_ZERO,
op: BLENDEQUATION_ADD
};
blendModes[BLEND_MIN] = {
src: BLENDMODE_ONE,
dst: BLENDMODE_ONE,
op: BLENDEQUATION_MIN
};
blendModes[BLEND_MAX] = {
src: BLENDMODE_ONE,
dst: BLENDMODE_ONE,
op: BLENDEQUATION_MAX
};
var id = 0;
class Material {
set chunks(value) {
this._dirtyShader = true;
this._chunks = value;
}
get chunks() {
this._dirtyShader = true;
return this._chunks;
}
set depthBias(value) {
this._depthState.depthBias = value;
}
get depthBias() {
return this._depthState.depthBias;
}
set slopeDepthBias(value) {
this._depthState.depthBiasSlope = value;
}
get slopeDepthBias() {
return this._depthState.depthBiasSlope;
}
set redWrite(value) {
this._blendState.redWrite = value;
}
get redWrite() {
return this._blendState.redWrite;
}
set greenWrite(value) {
this._blendState.greenWrite = value;
}
get greenWrite() {
return this._blendState.greenWrite;
}
set blueWrite(value) {
this._blendState.blueWrite = value;
}
get blueWrite() {
return this._blendState.blueWrite;
}
set alphaWrite(value) {
this._blendState.alphaWrite = value;
}
get alphaWrite() {
return this._blendState.alphaWrite;
}
get transparent() {
return this._blendState.blend;
}
_updateTransparency() {
var transparent = this.transparent;
var meshInstances = this.meshInstances;
for(var i = 0; i < meshInstances.length; i++){
meshInstances[i].transparent = transparent;
}
}
set blendState(value) {
this._blendState.copy(value);
this._updateTransparency();
}
get blendState() {
return this._blendState;
}
set blendType(type) {
var blendMode = blendModes[type];
this._blendState.setColorBlend(blendMode.op, blendMode.src, blendMode.dst);
var _blendMode_alphaOp, _blendMode_alphaSrc, _blendMode_alphaDst;
this._blendState.setAlphaBlend((_blendMode_alphaOp = blendMode.alphaOp) != null ? _blendMode_alphaOp : blendMode.op, (_blendMode_alphaSrc = blendMode.alphaSrc) != null ? _blendMode_alphaSrc : blendMode.src, (_blendMode_alphaDst = blendMode.alphaDst) != null ? _blendMode_alphaDst : blendMode.dst);
var blend = type !== BLEND_NONE;
if (this._blendState.blend !== blend) {
this._blendState.blend = blend;
this._updateTransparency();
}
this._updateMeshInstanceKeys();
}
get blendType() {
if (!this.transparent) {
return BLEND_NONE;
}
var { colorOp, colorSrcFactor, colorDstFactor, alphaOp, alphaSrcFactor, alphaDstFactor } = this._blendState;
for(var i = 0; i < blendModes.length; i++){
var blendMode = blendModes[i];
if (blendMode.src === colorSrcFactor && blendMode.dst === colorDstFactor && blendMode.op === colorOp && blendMode.src === alphaSrcFactor && blendMode.dst === alphaDstFactor && blendMode.op === alphaOp) {
return i;
}
}
return BLEND_NORMAL;
}
set depthState(value) {
this._depthState.copy(value);
}
get depthState() {
return this._depthState;
}
set depthTest(value) {
this._depthState.test = value;
}
get depthTest() {
return this._depthState.test;
}
set depthFunc(value) {
this._depthState.func = value;
}
get depthFunc() {
return this._depthState.func;
}
set depthWrite(value) {
this._depthState.write = value;
}
get depthWrite() {
return this._depthState.write;
}
copy(source) {
var _source_stencilFront;
this.name = source.name;
this.alphaTest = source.alphaTest;
this.alphaToCoverage = source.alphaToCoverage;
this._blendState.copy(source._blendState);
this._depthState.copy(source._depthState);
this.cull = source.cull;
this.stencilFront = (_source_stencilFront = source.stencilFront) == null ? void 0 : _source_stencilFront.clone();
if (source.stencilBack) {
this.stencilBack = source.stencilFront === source.stencilBack ? this.stencilFront : source.stencilBack.clone();
}
this.clearParameters();
for(var name in source.parameters){
if (source.parameters.hasOwnProperty(name)) {
this._setParameterSimple(name, source.parameters[name].data);
}
}
this.defines.clear();
source.defines.forEach((value, key)=>this.defines.set(key, value));
var srcChunks = source._chunks;
for(var p in srcChunks){
if (srcChunks.hasOwnProperty(p)) {
this._chunks[p] = srcChunks[p];
}
}
return this;
}
clone() {
var clone = new this.constructor();
return clone.copy(this);
}
_updateMeshInstanceKeys() {
var meshInstances = this.meshInstances;
for(var i = 0; i < meshInstances.length; i++){
meshInstances[i].updateKey();
}
}
updateUniforms(device, scene) {
if (this._dirtyShader) {
this.clearVariants();
}
}
getShaderVariant(params) {}
update() {
if (this._definesDirty) {
this._definesDirty = false;
this.clearVariants();
}
this.dirty = true;
}
clearParameters() {
this.parameters = {};
}
getParameters() {
return this.parameters;
}
clearVariants() {
this.variants.clear();
var meshInstances = this.meshInstances;
var count = meshInstances.length;
for(var i = 0; i < count; i++){
meshInstances[i].clearShaders();
}
}
getParameter(name) {
return this.parameters[name];
}
_setParameterSimple(name, data) {
var param = this.parameters[name];
if (param) {
param.data = data;
} else {
this.parameters[name] = {
scopeId: null,
data: data
};
}
}
setParameter(name, data) {
if (data === undefined && typeof name === 'object') {
var uniformObject = name;
if (uniformObject.length) {
for(var i = 0; i < uniformObject.length; i++){
this.setParameter(uniformObject[i]);
}
return;
}
name = uniformObject.name;
data = uniformObject.value;
}
this._setParameterSimple(name, data);
}
deleteParameter(name) {
if (this.parameters[name]) {
delete this.parameters[name];
}
}
setParameters(device, names) {
var parameters = this.parameters;
if (names === undefined) names = parameters;
for(var paramName in names){
var parameter = parameters[paramName];
if (parameter) {
if (!parameter.scopeId) {
parameter.scopeId = device.scope.resolve(paramName);
}
parameter.scopeId.setValue(parameter.data);
}
}
}
setDefine(name, value) {
var modified = false;
var { defines } = this;
if (value !== undefined && value !== false) {
modified = !defines.has(name) || defines.get(name) !== value;
defines.set(name, value);
} else {
modified = defines.has(name);
defines.delete(name);
}
this._definesDirty || (this._definesDirty = modified);
}
getDefine(name) {
return this.defines.has(name);
}
destroy() {
this.variants.clear();
for(var i = 0; i < this.meshInstances.length; i++){
var meshInstance = this.meshInstances[i];
meshInstance.clearShaders();
meshInstance._material = null;
if (meshInstance.mesh) {
var defaultMaterial = getDefaultMaterial(meshInstance.mesh.device);
if (this !== defaultMaterial) {
meshInstance.material = defaultMaterial;
}
}
}
this.meshInstances.length = 0;
}
addMeshInstanceRef(meshInstance) {
this.meshInstances.push(meshInstance);
}
removeMeshInstanceRef(meshInstance) {
var meshInstances = this.meshInstances;
var i = meshInstances.indexOf(meshInstance);
if (i !== -1) {
meshInstances.splice(i, 1);
}
}
constructor(){
this.meshInstances = [];
this.name = 'Untitled';
this.userId = '';
this.id = id++;
this.variants = new Map();
this.defines = new Map();
this._definesDirty = false;
this.parameters = {};
this.alphaTest = 0;
this.alphaToCoverage = false;
this._blendState = new BlendState();
this._depthState = new DepthState();
this.cull = CULLFACE_BACK;
this.stencilFront = null;
this.stencilBack = null;
this._chunks = {};
this._dirtyShader = true;
this._shaderVersion = 0;
this._scene = null;
this.dirty = true;
}
}
export { Material };