additional refactoring (almost 100/home/humza/Downloads/sml/dotscape/dotscape.mlb done refactoring functional core)

This commit is contained in:
2024-08-08 00:50:36 +01:00
parent 894dca2017
commit 2dd0ec5c66
5 changed files with 222 additions and 204 deletions

View File

@@ -7,7 +7,18 @@ in
functional-core/click-points.sml
functional-core/graph-lines.sml
end
functional-core/app-type.sml
functional-core/triangle-stage.sml
ann
"allowVectorExps true"
in
functional-core/triangle.sml
end
functional-core/app-init.sml
functional-core/app-with.sml
message-types/input-msg.sml
message-types/draw-msg.sml

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@@ -1,216 +1,88 @@
structure AppUpdate =
signature APP_UPDATE =
sig
val update: AppType.app_type * int * int * InputMessage.t
-> AppType.app_type * int * int * DrawMessage.t
end
structure AppUpdate :> APP_UPDATE =
struct
open AppType
open DrawMessage
open InputMessage
(* This function adjusts the x position to be centre-aligned to the grid
* if windowWidth is greater than height
* (where screen size does not have 1:1 aspect ratio). *)
fun calcRelativeX (x, windowWidth, windowHeight, halfWidth) =
if windowWidth > windowHeight then
let
val difference = windowWidth - windowHeight
val offset = Real32.fromInt (difference div 2)
in
x * (halfWidth - offset)
end
else
x * halfWidth
(* Similar to calcRelativeX, except it centre-aligns the y-point
* when windowHeight is greater than windowWidth. *)
fun calcRelativeY (y, windowWidth, windowHeight, halfHeight) =
if windowHeight > windowWidth then
let
val difference = windowHeight - windowWidth
val offset = Real32.fromInt (difference div 2)
in
y * (halfHeight - offset)
end
else
y * halfHeight
local
fun helpGetTrianglesVector
(lst, acc, windowWidth, windowHeight, halfWidth, halfHeight) =
case lst of
{x1, y1, x2, y2, x3, y3} :: tl =>
let
val x1 = calcRelativeX (x1, windowWidth, windowHeight, halfWidth)
val x2 = calcRelativeX (x2, windowWidth, windowHeight, halfWidth)
val x3 = calcRelativeX (x3, windowWidth, windowHeight, halfWidth)
val y1 = calcRelativeY (y1, windowWidth, windowHeight, halfHeight)
val y2 = calcRelativeY (y2, windowWidth, windowHeight, halfHeight)
val y3 = calcRelativeY (y3, windowWidth, windowHeight, halfHeight)
val vec =
#[ x1 / halfWidth
, y1 / halfHeight
, x2 / halfWidth
, y2 / halfHeight
, x3 / halfWidth
, y3 / halfHeight
]
val acc = vec :: acc
in
helpGetTrianglesVector
(tl, acc, windowWidth, windowHeight, halfWidth, halfHeight)
end
| [] => acc
in
fun getTrianglesVector (app: app_type) =
let
val windowWidth = #windowWidth app
val windowHeight = #windowHeight app
val halfWidth = Real32.fromInt (windowWidth div 2)
val halfHeight = Real32.fromInt (windowHeight div 2)
val lst = helpGetTrianglesVector
(#triangles app, [], windowWidth, windowHeight, halfWidth, halfHeight)
in
Vector.concat lst
end
end
fun getFirstTriangleStageVector (x1, y1, drawVec, model) =
fun mouseMoveOrRelease (model: app_type, mouseX, mouseY) =
let
val windowWidth = #windowWidth model
val windowHeight = #windowHeight model
val halfWidth = Real32.fromInt (windowWidth div 2)
val halfHeight = Real32.fromInt (windowHeight div 2)
val x1px = calcRelativeX (x1, windowWidth, windowHeight, halfWidth)
val left = (x1px - 5.0) / halfWidth
val right = (x1px + 5.0) / halfWidth
val y1px = calcRelativeY (y1, windowWidth, windowHeight, halfHeight)
val top = (y1px + 5.0) / halfHeight
val bottom = (y1px - 5.0) / halfHeight
val firstVec = ltrbToVertex (left, top, right, bottom, 0.0, 0.0, 1.0)
val {xClickPoints, yClickPoints, ...} = model
val (drawVec, _, _) = ClickPoints.getClickPosition
(mouseX, mouseY, 1.0, 0.0, 0.0, model)
val drawVec = TriangleStage.toVector (model, drawVec)
val drawMsg = DRAW_BUTTON drawVec
in
Vector.concat [firstVec, drawVec]
(model, drawMsg, mouseX, mouseY)
end
fun getSecondTriangleStageVector (x1, y1, x2, y2, drawVec, model) =
fun mouseLeftClick (model: app_type, mouseX, mouseY) =
let
val windowWidth = #windowWidth model
val windowHeight = #windowHeight model
val halfWidth = Real32.fromInt (windowWidth div 2)
val halfHeight = Real32.fromInt (windowHeight div 2)
val x1px = calcRelativeX (x1, windowWidth, windowHeight, halfWidth)
val left = (x1px - 5.0) / halfWidth
val right = (x1px + 5.0) / halfWidth
val y1px = calcRelativeY (y1, windowWidth, windowHeight, halfHeight)
val top = (y1px + 5.0) / halfHeight
val bottom = (y1px - 5.0) / halfHeight
val firstVec = ltrbToVertex (left, top, right, bottom, 0.0, 0.0, 1.0)
val x2px = calcRelativeX (x2, windowWidth, windowHeight, halfWidth)
val left = (x2px - 5.0) / halfWidth
val right = (x2px + 5.0) / halfWidth
val y2px = calcRelativeY (y2, windowWidth, windowHeight, halfHeight)
val top = (y2px + 5.0) / halfHeight
val bottom = (y2px - 5.0) / halfHeight
val secVec = ltrbToVertex (left, top, right, bottom, 0.0, 0.0, 1.0)
val {xClickPoints, yClickPoints, ...} = model
val (buttonVec, hpos, vpos) = ClickPoints.getClickPosition
(mouseX, mouseY, 0.0, 0.0, 1.0, model)
in
Vector.concat [firstVec, secVec, drawVec]
if Vector.length buttonVec > 0 then
case #triangleStage model of
NO_TRIANGLE =>
let
val drawVec = TriangleStage.toVector (model, buttonVec)
val drawMsg = DRAW_BUTTON drawVec
val newTriangleStage = FIRST {x1 = hpos, y1 = vpos}
val model = AppType.withTriangleStage (model, newTriangleStage)
in
(model, drawMsg, mouseX, mouseY)
end
| FIRST {x1, y1} =>
let
val drawVec =
TriangleStage.firstToVector (x1, y1, buttonVec, model)
val drawMsg = DRAW_BUTTON drawVec
val newTriangleStage = SECOND
{x1 = x1, y1 = y1, x2 = hpos, y2 = vpos}
val model = AppType.withTriangleStage (model, newTriangleStage)
in
(model, drawMsg, mouseX, mouseY)
end
| SECOND {x1, y1, x2, y2} =>
let
val model = AppType.addTriangleAndResetStage
(model, x1, y1, x2, y2, hpos, vpos)
val drawVec = getTrianglesVector model
val drawMsg = DRAW_TRIANGLES_AND_RESET_BUTTONS drawVec
in
(model, drawMsg, mouseX, mouseY)
end
else
(model, NO_DRAW, mouseX, mouseY)
end
fun getTriangleStageVector (model: app_type, drawVec) =
case #triangleStage model of
NO_TRIANGLE => drawVec
| FIRST {x1, y1} => getFirstTriangleStageVector (x1, y1, drawVec, model)
| SECOND {x1, y1, x2, y2} =>
getSecondTriangleStageVector (x1, y1, x2, y2, drawVec, model)
fun resizeWindow (model, mouseX, mouseY, width, height) =
let
val model = AppType.withWindowResize (model, width, height)
val triangles = getTrianglesVector model
val graphLines = #graphLines model
val drawMsg =
RESIZE_TRIANGLES_BUTTONS_AND_GRAPH
{triangles = triangles, graphLines = graphLines}
in
(model, drawMsg, mouseX, mouseY)
end
local
open DrawMessage
open InputMessage
fun mouseMoveOrRelease (model: app_type, mouseX, mouseY) =
let
val {xClickPoints, yClickPoints, ...} = model
val (drawVec, _, _) = getClickPos (mouseX, mouseY, 1.0, 0.0, 0.0, model)
val drawVec = getTriangleStageVector (model, drawVec)
val drawMsg = DRAW_BUTTON drawVec
in
(model, drawMsg, mouseX, mouseY)
end
fun mouseLeftClick (model: app_type, mouseX, mouseY) =
let
val {xClickPoints, yClickPoints, ...} = model
val (buttonVec, hpos, vpos) = getClickPos
(mouseX, mouseY, 0.0, 0.0, 1.0, model)
in
if Vector.length buttonVec > 0 then
case #triangleStage model of
NO_TRIANGLE =>
let
val drawVec = getTriangleStageVector (model, buttonVec)
val drawMsg = DRAW_BUTTON drawVec
val newTriangleStage = FIRST {x1 = hpos, y1 = vpos}
val model = AppType.withTriangleStage (model, newTriangleStage)
in
(model, drawMsg, mouseX, mouseY)
end
| FIRST {x1, y1} =>
let
val drawVec =
getFirstTriangleStageVector (x1, y1, buttonVec, model)
val drawMsg = DRAW_BUTTON drawVec
val newTriangleStage = SECOND
{x1 = x1, y1 = y1, x2 = hpos, y2 = vpos}
val model = AppType.withTriangleStage (model, newTriangleStage)
in
(model, drawMsg, mouseX, mouseY)
end
| SECOND {x1, y1, x2, y2} =>
let
val model = AppType.addTriangleAndResetStage
(model, x1, y1, x2, y2, hpos, vpos)
val drawVec = getTrianglesVector model
val drawMsg = DRAW_TRIANGLES_AND_RESET_BUTTONS drawVec
in
(model, drawMsg, mouseX, mouseY)
end
else
(model, NO_DRAW, mouseX, mouseY)
end
fun resizeWindow (model, mouseX, mouseY, width, height) =
let
val model = AppType.withWindowResize (model, width, height)
val triangles = getTrianglesVector model
val graphLines = #graphLines model
val drawMsg =
RESIZE_TRIANGLES_BUTTONS_AND_GRAPH
{triangles = triangles,
graphLines = graphLines}
in
(model, drawMsg, mouseX, mouseY)
end
in
fun update (model: app_type, mouseX, mouseY, inputMsg) =
case inputMsg of
MOUSE_MOVE {x = mouseX, y = mouseY} =>
mouseMoveOrRelease (model, mouseX, mouseY)
| MOUSE_LEFT_RELEASE => mouseMoveOrRelease (model, mouseX, mouseY)
| MOUSE_LEFT_CLICK => mouseLeftClick (model, mouseX, mouseY)
| RESIZE_WINDOW {width, height} =>
resizeWindow (model, mouseX, mouseY, width, height)
end
fun update (model: app_type, mouseX, mouseY, inputMsg) =
case inputMsg of
MOUSE_MOVE {x = mouseX, y = mouseY} =>
mouseMoveOrRelease (model, mouseX, mouseY)
| MOUSE_LEFT_RELEASE => mouseMoveOrRelease (model, mouseX, mouseY)
| MOUSE_LEFT_CLICK => mouseLeftClick (model, mouseX, mouseY)
| RESIZE_WINDOW {width, height} =>
resizeWindow (model, mouseX, mouseY, width, height)
end

View File

@@ -11,4 +11,31 @@ struct
, right, bottom, r, g, b
, right, top, r, g, b
]
(* This function adjusts the x position to be centre-aligned to the grid
* if windowWidth is greater than height
* (where screen size does not have 1:1 aspect ratio). *)
fun centreAlignX (x, windowWidth, windowHeight, halfWidth) =
if windowWidth > windowHeight then
let
val difference = windowWidth - windowHeight
val offset = Real32.fromInt (difference div 2)
in
x * (halfWidth - offset)
end
else
x * halfWidth
(* Similar to centreAlignX, except it centre-aligns the y-point
* when windowHeight is greater than windowWidth. *)
fun centreAlignY (y, windowWidth, windowHeight, halfHeight) =
if windowHeight > windowWidth then
let
val difference = windowHeight - windowWidth
val offset = Real32.fromInt (difference div 2)
in
y * (halfHeight - offset)
end
else
y * halfHeight
end

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@@ -0,0 +1,62 @@
structure TriangleStage =
struct
open AppType
fun firstToVector (x1, y1, drawVec, model) =
let
val windowWidth = #windowWidth model
val windowHeight = #windowHeight model
val halfWidth = Real32.fromInt (windowWidth div 2)
val halfHeight = Real32.fromInt (windowHeight div 2)
val x1px = Ndc.centreAlignX (x1, windowWidth, windowHeight, halfWidth)
val left = (x1px - 5.0) / halfWidth
val right = (x1px + 5.0) / halfWidth
val y1px = Ndc.centreAlignY (y1, windowWidth, windowHeight, halfHeight)
val top = (y1px + 5.0) / halfHeight
val bottom = (y1px - 5.0) / halfHeight
val firstVec = Ndc.ltrbToVertex (left, top, right, bottom, 0.0, 0.0, 1.0)
in
Vector.concat [firstVec, drawVec]
end
fun secondToVector (x1, y1, x2, y2, drawVec, model) =
let
val windowWidth = #windowWidth model
val windowHeight = #windowHeight model
val halfWidth = Real32.fromInt (windowWidth div 2)
val halfHeight = Real32.fromInt (windowHeight div 2)
val x1px = Ndc.centreAlignX (x1, windowWidth, windowHeight, halfWidth)
val left = (x1px - 5.0) / halfWidth
val right = (x1px + 5.0) / halfWidth
val y1px = Ndc.centreAlignY (y1, windowWidth, windowHeight, halfHeight)
val top = (y1px + 5.0) / halfHeight
val bottom = (y1px - 5.0) / halfHeight
val firstVec = Ndc.ltrbToVertex (left, top, right, bottom, 0.0, 0.0, 1.0)
val x2px = Ndc.centreAlignX (x2, windowWidth, windowHeight, halfWidth)
val left = (x2px - 5.0) / halfWidth
val right = (x2px + 5.0) / halfWidth
val y2px = Ndc.centreAlignY (y2, windowWidth, windowHeight, halfHeight)
val top = (y2px + 5.0) / halfHeight
val bottom = (y2px - 5.0) / halfHeight
val secVec = Ndc.ltrbToVertex (left, top, right, bottom, 0.0, 0.0, 1.0)
in
Vector.concat [firstVec, secVec, drawVec]
end
fun toVector (model: app_type, drawVec) =
case #triangleStage model of
NO_TRIANGLE => drawVec
| FIRST {x1, y1} => firstToVector (x1, y1, drawVec, model)
| SECOND {x1, y1, x2, y2} => secondToVector (x1, y1, x2, y2, drawVec, model)
end

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@@ -0,0 +1,46 @@
structure Triangle =
struct
open AppType
local
fun helpToVector
(lst, acc, windowWidth, windowHeight, halfWidth, halfHeight) =
case lst of
{x1, y1, x2, y2, x3, y3} :: tl =>
let
val x1 = Ndc.centreAlignX (x1, windowWidth, windowHeight, halfWidth)
val x2 = Ndc.centreAlignX (x2, windowWidth, windowHeight, halfWidth)
val x3 = Ndc.centreAlignX (x3, windowWidth, windowHeight, halfWidth)
val y1 = Ndc.centreAlignY (y1, windowWidth, windowHeight, halfHeight)
val y2 = Ndc.centreAlignY (y2, windowWidth, windowHeight, halfHeight)
val y3 = Ndc.centreAlignY (y3, windowWidth, windowHeight, halfHeight)
val vec =
#[ x1 / halfWidth
, y1 / halfHeight
, x2 / halfWidth
, y2 / halfHeight
, x3 / halfWidth
, y3 / halfHeight
]
val acc = vec :: acc
in
helpToVector
(tl, acc, windowWidth, windowHeight, halfWidth, halfHeight)
end
| [] => acc
in
fun toVector (app: app_type) =
let
val windowWidth = #windowWidth app
val windowHeight = #windowHeight app
val halfWidth = Real32.fromInt (windowWidth div 2)
val halfHeight = Real32.fromInt (windowHeight div 2)
val lst = helpToVector
(#triangles app, [], windowWidth, windowHeight, halfWidth, halfHeight)
in
Vector.concat lst
end
end
end