67 lines
1.7 KiB
Zig
67 lines
1.7 KiB
Zig
const std = @import("std");
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const rl = @import("raylib");
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//Max Vars
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pub const MAXEntitys: u32 = 1000;
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pub const MAXComponents: u32 = 32;
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//Id Types
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pub const Entity = usize;
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pub const Component = usize;
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pub const Signature = std.bit_set.IntegerBitSet(MAXComponents);
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//Component array type
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pub const ComponentArray = struct {
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Components: [MAXEntitys]type,
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Entity2Array: [usize]Entity,
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Array2Entity: [Entity]usize,
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sizeM: usize,
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pub fn AddComponent(self: ComponentArray, entity: Entity, comp: type) void {
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var newidx: usize = self.sizeM;
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self.Entity2Array[entity] = newidx;
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self.Entity2Array[newidx] = entity;
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self.Components[newidx] = comp;
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self.sizeM += 1;
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}
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pub fn Removedata(self: ComponentArray, entity: Entity) void {
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var remidx: usize = self.Entity2Array[entity];
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var lastidx: usize = self.sizeM - 1;
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self.Components[remidx] = self.Components[lastidx];
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var lastentity: entity = self.Array2Entity[lastidx];
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self.Entity2Array[lastentity] = remidx;
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self.Array2Entity[remidx] = lastentity;
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self.Entity2Array[entity] = null;
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self.Array2Entity[lastentity] = null;
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self.sizeM -= 1;
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}
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pub fn GetData(self: ComponentArray, entity: Entity) type {
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return self.Components[self.Entity2Array[entity]];
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}
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pub fn EntityDestroyed(self: ComponentArray, entity: Entity) void {
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for(self.Array2Entity) |val|{
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if(val == entity){
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self.Removedata(entity);
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return;
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}
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}
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}
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};
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//Components
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pub const Transform = struct {
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pos: rl.Vector2,
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rot: f16,
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scale: rl.Vector2,
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};
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