DelayNoMore/jsexport/main.go
2022-12-23 22:31:55 +08:00

52 lines
2.8 KiB
Go

package main
import (
"github.com/gopherjs/gopherjs/js"
"github.com/solarlune/resolv"
. "jsexport/protos"
"jsexport/models"
. "dnmshared"
)
func NewRingBufferJs(n int32) *js.Object {
return js.MakeWrapper(NewRingBuffer(n));
}
func NewCollisionSpaceJs(spaceW, spaceH, minStepW, minStepH int) *js.Object {
return js.MakeWrapper(resolv.NewSpace(spaceW, spaceH, minStepW, minStepH))
}
func GenerateRectColliderJs(wx, wy, w, h, topPadding, bottomPadding, leftPadding, rightPadding, spaceOffsetX, spaceOffsetY float64, tag string) *js.Object {
/*
[WARNING] It's important to note that we don't need "js.MakeFullWrapper" for a call sequence as follows.
```
var space = gopkgs.NewCollisionSpaceJs(2048, 2048, 8, 8);
var a = gopkgs.GenerateRectColliderJs(189, 497, 48, 48, snapIntoPlatformOverlap, snapIntoPlatformOverlap, snapIntoPlatformOverlap, snapIntoPlatformOverlap, spaceOffsetX, spaceOffsetY, "Player");
space.Add(a);
```
The "space" variable doesn't need access to the field of "a" in JavaScript level to run "space.Add(...)" method, which is good.
*/
return js.MakeWrapper(GenerateRectCollider(wx, wy, w, h, topPadding, bottomPadding, leftPadding, rightPadding, spaceOffsetX, spaceOffsetY, tag));
}
func CheckCollisionJs(obj *resolv.Object, dx, dy float64) *js.Object {
// TODO: Support multiple tags in the future
// Unfortunately I couldn't find a way to just call "var a = GenerateRectColliderJs(...); space.Add(a); a.Check(...)" to get the collision result, the unwrapped method will result in stack overflow. Need a better solution later.
return js.MakeFullWrapper(obj.Check(dx, dy));
}
func ApplyInputFrameDownsyncDynamicsOnSingleRenderFrameJs(delayedInputFrame *InputFrameDownsync, currRenderFrame *RoomDownsyncFrame, collisionSys *resolv.Space, collisionSysMap map[int32]*resolv.Object, gravityX, gravityY, jumpingInitVelY, inputDelayFrames, inputScaleFrames int32, inputsBuffer *RingBuffer, collisionSpaceOffsetX, collisionSpaceOffsetY, snapIntoPlatformOverlap, snapIntoPlatformThreshold, worldToVirtualGridRatio, virtualGridToWorldRatio float64) *js.Object {
// We need access to all fields of RoomDownsyncFrame for displaying in frontend
return js.MakeFullWrapper(models.ApplyInputFrameDownsyncDynamicsOnSingleRenderFrame(delayedInputFrame, currRenderFrame, collisionSys, collisionSysMap, gravityX, gravityY, jumpingInitVelY, inputDelayFrames, inputScaleFrames, inputsBuffer, collisionSpaceOffsetX, collisionSpaceOffsetY, snapIntoPlatformOverlap, snapIntoPlatformThreshold, worldToVirtualGridRatio, virtualGridToWorldRatio))
}
func main() {
js.Global.Set("gopkgs", map[string]interface{}{
"NewRingBufferJs": NewRingBufferJs,
"NewCollisionSpaceJs": NewCollisionSpaceJs,
"GenerateRectColliderJs": GenerateRectColliderJs,
"CheckCollisionJs": CheckCollisionJs,
})
}