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https://github.com/sehugg/8bitworkshop.git
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ecs init values
This commit is contained in:
Steven Hugg
parent
b00d43d1ea
commit
37167a2202
@ -18,11 +18,15 @@
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function mksymbol(c: ComponentType, fieldName: string) {
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return c.name + '_' + fieldName;
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}
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function mkscopesymbol(s: EntityScope, c: ComponentType, fieldName: string) {
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return s.name + '_' + c.name + '_' + fieldName;
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}
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export interface Entity {
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id: number;
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etype: EntityArchetype;
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consts: {[name: string]: DataValue};
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consts: {[component_field: string]: DataValue};
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inits: {[scope_component_field: string]: DataValue};
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}
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export interface EntityConst {
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@ -191,6 +195,21 @@ class Segment {
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getFieldRange(component: ComponentType, fieldName: string) {
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return this.fieldranges[mksymbol(component, fieldName)];
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}
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getSegmentByteOffset(component: ComponentType, fieldName: string, bitofs: number, entityID: number) {
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let range = this.getFieldRange(component, fieldName);
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if (range && range.access) {
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let a = range.access[0]; // TODO: bitofs
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let ofs = this.symbols[a.symbol];
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if (ofs !== undefined) {
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return ofs + entityID - range.elo;
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}
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}
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}
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getOriginSymbol() {
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let a = this.ofs2sym.get(0);
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if (!a) throw new Error('getOriginSymbol');
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return a[0];
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}
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}
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function getFieldBits(f: IntType) {
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@ -241,7 +260,7 @@ export class EntityScope {
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newEntity(etype: EntityArchetype) : Entity {
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// TODO: add parent ID? lock parent scope?
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let id = this.entities.length;
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let entity : Entity = {id, etype, consts:{}};
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let entity : Entity = {id, etype, consts:{}, inits:{}};
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this.em.archtypes.add(etype);
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for (let c of etype.components) {
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this.componentsInScope.add(c.name);
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@ -326,10 +345,41 @@ export class EntityScope {
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}
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//console.log(segment.initdata)
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}
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allocateInitData(segment: Segment) {
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let initbytes = new Uint8Array(segment.size);
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let iter = this.iterateFields();
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for (var o=iter.next(); o.value; o=iter.next()) {
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let {i,e,c,f,v} = o.value;
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let scfname = mkscopesymbol(this, c, f.name);
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let initvalue = e.inits[scfname];
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if (initvalue !== undefined) {
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let offset = segment.getSegmentByteOffset(c, f.name, 0, e.id);
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if (offset !== undefined && typeof initvalue === 'number') {
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initbytes[offset] = initvalue; // TODO: > 8 bits?
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} else {
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throw new Error(`cannot access ${scfname}`);
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}
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}
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}
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// build the final init buffer
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// TODO: compress 0s?
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let bufsym = this.name + '__INITDATA';
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let bufofs = this.rodata.allocateInitData(bufsym, initbytes);
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let code = INITFROMARRAY;
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//TODO: function to repalce from dict?
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code = code.replace('%{nbytes}', initbytes.length.toString())
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code = code.replace('%{src}', bufsym);
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code = code.replace('%{dest}', segment.getOriginSymbol());
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return code;
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}
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setConstValue(e: Entity, component: ComponentType, fieldName: string, value: DataValue) {
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// TODO: check to make sure component exists
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e.consts[mksymbol(component, fieldName)] = value;
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}
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setInitValue(e: Entity, component: ComponentType, fieldName: string, value: DataValue) {
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// TODO: check to make sure component exists
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e.inits[mkscopesymbol(this, component, fieldName)] = value;
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}
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generateCodeForEvent(event: string): string {
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// find systems that respond to event
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// and have entities in this scope
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@ -341,6 +391,7 @@ export class EntityScope {
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//s += `\n; event ${event}\n`;
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let emitcode : {[event: string] : string} = {};
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for (let sys of systems) {
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// TODO: does this work if multiple actions?
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if (sys.tempbytes) this.allocateTempBytes(sys.tempbytes);
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if (sys.emits) {
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for (let emit of sys.emits) {
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@ -434,7 +485,7 @@ export class EntityScope {
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}
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// TODO: offset > 0?
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//let range = this.bss.getFieldRange(component, fieldName);
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return `${component.name}_${fieldName}_b${bitofs},x`
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return `${component.name}_${fieldName}_b${bitofs},x` // TODO? ,x?
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}
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entitiesMatching(atypes: ArchetypeMatch[]) {
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let result = [];
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@ -483,8 +534,11 @@ export class EntityScope {
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}
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generateCode() {
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this.tempOffset = this.maxTempBytes = 0;
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let init = this.generateCodeForEvent('init');
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this.code.addCodeFragment(init);
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this.code.addCodeFragment(TEMPLATE_INIT);
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let initcode = this.allocateInitData(this.bss);
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this.code.addCodeFragment(initcode);
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let start = this.generateCodeForEvent('start');
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this.code.addCodeFragment(start);
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for (let sub of Array.from(this.subroutines.values())) {
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let code = this.generateCodeForEvent(sub);
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this.code.addCodeFragment(code);
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@ -576,7 +630,6 @@ const FOOTER = `
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const TEMPLATE_INIT = `
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Start:
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CLEAN_START
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%{!start}
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`
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const TEMPLATE1 = `
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@ -622,23 +675,36 @@ const TEMPLATE1 = `
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`;
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// TODO: two sticks?
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const TEMPLATE2 = `
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;#ifdef EVENT_joyleft
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lda #%01000000 ;Left?
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bit SWCHA
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bne %{.SkipMoveLeft}
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const TEMPLATE2_a = `
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lda SWCHA
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sta %{$0}
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`
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const TEMPLATE2_b = `
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asl %{$0}
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bcs %{.SkipMoveRight}
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%{!joyright}
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%{.SkipMoveRight}
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asl %{$0}
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bcs %{.SkipMoveLeft}
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%{!joyleft}
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%{.SkipMoveLeft}
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;#endif
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asl %{$0}
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bcs %{.SkipMoveDown}
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%{!joydown}
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%{.SkipMoveDown}
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asl %{$0}
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bcs %{.SkipMoveUp}
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%{!joyup}
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%{.SkipMoveUp}
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`;
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const TEMPLATE3_L = `
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lda %{<xpos}
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sec
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sbc #1
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bcc %{.noclip}
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bcc %{.nomove}
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sta %{<xpos}
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%{.noclip}
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%{.nomove}
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`;
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const TEMPLATE3_R = `
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@ -646,49 +712,64 @@ const TEMPLATE3_R = `
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clc
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adc #1
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cmp #160
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bcc %{.noclip}
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bcs %{.nomove}
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sta %{<xpos}
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%{.noclip}
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%{.nomove}
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`;
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const TEMPLATE4_S = `
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txa ; TODO
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asl
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tya
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lda %{<bitmap} ; bitmap address
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tay
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ldy hasbitmap_bitmap_b0+0
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lda bitmap_bitmapdata_b0,y
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sta %{$0},y
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sta %{$0}
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lda bitmap_bitmapdata_b8,y
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sta %{$1},y
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sta %{$1}
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ldy hascolormap_colormap_b0+0
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lda colormap_colormapdata_b0,y
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sta %{$2},y
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sta %{$2}
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lda colormap_colormapdata_b8,y
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sta %{$3}
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lda sprite_height_b0+0
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sta %{$4}
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lda ypos_ypos_b0+0
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sta %{$5}
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ldy hasbitmap_bitmap_b0+1
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lda bitmap_bitmapdata_b0,y
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sta %{$6}
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lda bitmap_bitmapdata_b8,y
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sta %{$7}
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ldy hascolormap_colormap_b0+1
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lda colormap_colormapdata_b0,y
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sta %{$3},y
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lda sprite_height_b0,y
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sta %{$4},y
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lda ypos_ypos_b0,y
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sta %{$5},y
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sta %{$8}
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lda colormap_colormapdata_b8,y
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sta %{$9}
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lda sprite_height_b0+1
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sta %{$10}
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lda ypos_ypos_b0+1
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sta %{$11}
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`
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// https://atariage.com/forums/topic/75982-skipdraw-and-graphics/?tab=comments#comment-928232
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// https://atariage.com/forums/topic/129683-advice-on-a-masking-kernel/
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// https://atariage.com/forums/topic/128147-having-trouble-with-2-free-floating-player-graphics/?tab=comments#comment-1547059
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const TEMPLATE4_K = `
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ldx #192 ; lines in kernel
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LVScan
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txa ; X -> A
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sec ; set carry for subtract
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sbc %{$5} ; local coordinate
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cmp %{$4} ; in sprite? (height)
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bcc InSprite ; yes, skip over next
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lda #0 ; not in sprite, load 0
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txa ; X -> A
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sec ; set carry for subtract
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sbc %{$5} ; local coordinate
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cmp %{$4} ; in sprite? (height)
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bcc InSprite ; yes, skip over next
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lda #0 ; not in sprite, load 0
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InSprite
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tay ; local coord -> Y
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lda (%{$0}),y ; lookup color
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sta WSYNC ; sync w/ scanline
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sta GRP0 ; store bitmap
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lda (%{$2}),y ; lookup color
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sta COLUP0 ; store color
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dex ; decrement X
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bne LVScan ; repeat until 192 lines
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tay ; local coord -> Y
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lda (%{$0}),y ; lookup color
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sta WSYNC ; sync w/ scanline
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sta GRP0 ; store bitmap
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lda (%{$2}),y ; lookup color
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sta COLUP0 ; store color
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dex ; decrement X
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bne LVScan ; repeat until 192 lines
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`;
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const SET_XPOS = `
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@ -714,9 +795,43 @@ DivideLoop
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asl
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sta RESP0,y ; fix coarse position
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sta HMP0,y ; set fine offset
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sta WSYNC
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sta HMOVE
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rts ; return to caller
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`
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const INITFROMSPARSE = `
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MemSrc equ $80
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MemDest equ $82
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InitMemory
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ldy #0
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lda (MemSrc),y
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beq .done
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tax
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iny
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lda (MemSrc),y
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sta MemDest
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iny
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lda (MemSrc),y
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sta MemDest+1
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.loop
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iny
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lda (MemSrc),y
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sta (MemDest),y
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dex
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bne .loop
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.done rts
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`
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const INITFROMARRAY = `
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ldy #%{nbytes}
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.loop
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lda %{src}-1,y
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sta %{dest}-1,y
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dey
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bne .loop
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`
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function test() {
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let em = new EntityManager();
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@ -767,7 +882,7 @@ function test() {
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include:['sprite','hasbitmap','hascolormap','ypos'],
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},
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actions:[
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{ text:TEMPLATE4_S, event:'preframe', iterate:'each' },
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{ text:TEMPLATE4_S, event:'preframe', iterate:'once' },
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{ text:TEMPLATE4_K, event:'kernel', iterate:'once' },
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]
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})
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@ -785,17 +900,8 @@ function test() {
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// TODO: easy stagger of system update?
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// TODO: easy lookup tables
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// TODO: how to init?
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// https://docs.unity3d.com/Packages/com.unity.entities@0.17/manual/ecs_systems.html
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em.defineSystem({
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name:'init',
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emits:['start'],
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query:{
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include:[], // ???
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},
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actions:[
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{ text:TEMPLATE_INIT, event:'init', iterate:'once' }
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]
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})
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em.defineSystem({
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name:'frameloop',
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emits:['preframe','kernel','postframe'],
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@ -811,9 +917,11 @@ function test() {
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query:{
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include:['player']
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},
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tempbytes:1,
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emits:['joyup','joydown','joyleft','joyright','joybutton'],
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actions:[
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{ text:TEMPLATE2, event:'postframe', iterate:'each' }
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{ text:TEMPLATE2_a, event:'postframe', iterate:'once' },
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{ text:TEMPLATE2_b, event:'postframe', iterate:'each' }
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]
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});
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em.defineSystem({
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@ -828,7 +936,7 @@ function test() {
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});
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em.defineSystem({
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name:'SetHorizPos',
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query:{ include:[] },
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query:{ include:[] }, // TODO?
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actions:[
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{ text:SETHORIZPOS, event:'SetHorizPos', iterate:'once' }, // TODO: event source?
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]
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@ -848,7 +956,15 @@ function test() {
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let ea_playerSprite = {components:[c_sprite,c_hasbitmap,c_hascolormap,c_xpos,c_ypos,c_player]};
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let e_player0 = root.newEntity(ea_playerSprite);
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root.setInitValue(e_player0, c_sprite, 'plyrindex', 0);
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root.setInitValue(e_player0, c_sprite, 'height', 8);
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root.setInitValue(e_player0, c_xpos, 'xpos', 50);
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root.setInitValue(e_player0, c_ypos, 'ypos', 50);
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let e_player1 = root.newEntity(ea_playerSprite);
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root.setInitValue(e_player1, c_sprite, 'plyrindex', 1);
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root.setInitValue(e_player1, c_sprite, 'height', 8);
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root.setInitValue(e_player1, c_xpos, 'xpos', 100);
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root.setInitValue(e_player1, c_ypos, 'ypos', 60);
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let src = new SourceFileExport();
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root.analyzeEntities();
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@ -857,4 +973,6 @@ function test() {
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console.log(src.toString());
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}
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// TODO: files in markdown?
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test();
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