From 5aa50327b2c7a2ebb6b02447be43db393d820e2f Mon Sep 17 00:00:00 2001
From: "Val Erastov (xibyte)" <xibyte@gmail.com>
Date: Tue, 4 Aug 2020 22:54:29 -0700
Subject: [PATCH] add location support to the engine's API

---
 modules/engine/api.ts                         | 57 ++++++++++++++++++-
 modules/engine/data/brepInputData.ts          |  3 +-
 .../engine/impl/wasm/GenericWASMEngine_V1.ts  | 15 +++++
 modules/engine/impl/wasm/externals.d.ts       |  4 ++
 web/app/cad/sandbox.ts                        | 22 ++++++-
 5 files changed, 98 insertions(+), 3 deletions(-)

diff --git a/modules/engine/api.ts b/modules/engine/api.ts
index 6e837000..47a5881b 100644
--- a/modules/engine/api.ts
+++ b/modules/engine/api.ts
@@ -406,7 +406,7 @@ export interface EngineAPI_V1 {
   transform(request: {
 
     /**
-     * Engine object reference ot transform
+     * Engine object reference to transform
      */
     model: Handle,
 
@@ -417,6 +417,61 @@ export interface EngineAPI_V1 {
 
   }): BrepOutputData;
 
+  /**
+   * Sets the location for a model. Unlike the transform this method doesn't update the original geometry
+   * but virtually moves/rotates the model.
+   */
+  setLocation(request: {
+
+    /**
+     * Engine object reference
+     */
+    model: Handle,
+
+    /**
+     * Location matrix represented as a flat array
+     */
+    matrix: Matrix3x4FlatData;
+
+  }): void;
+
+  /**
+   * Gets the location assign to the model
+   * @see setLocation method
+   */
+  getLocation(request: {
+
+    /**
+     * Engine object reference
+     */
+    model: Handle,
+
+  }): Matrix3x4FlatData;
+
+  /**
+   * Returns the model's data
+   */
+  getModelData(request: {
+
+    /**
+     * Engine object reference
+     */
+    model: Handle,
+
+  }): BrepOutputData;
+
+  /**
+   * Deletes a given model from memory
+   */
+  dispose(request: {
+
+    /**
+     * Engine object reference
+     */
+    model: Handle,
+
+  }): void;
+
 }
 
 export interface EngineSession {
diff --git a/modules/engine/data/brepInputData.ts b/modules/engine/data/brepInputData.ts
index 17bada00..cc3f22a9 100644
--- a/modules/engine/data/brepInputData.ts
+++ b/modules/engine/data/brepInputData.ts
@@ -100,7 +100,8 @@ export const CubeExample: () => BrepInputData = () => ({
   faces: [
     {
       surface: 'top',
-      loops: [['AB', 'BC', 'CD', 'DA']]
+      loops: [
+        ['AB', 'BC', 'CD', 'DA']]
     },
     {
       surface: 'bottom',
diff --git a/modules/engine/impl/wasm/GenericWASMEngine_V1.ts b/modules/engine/impl/wasm/GenericWASMEngine_V1.ts
index 262e04e8..c0c226f0 100644
--- a/modules/engine/impl/wasm/GenericWASMEngine_V1.ts
+++ b/modules/engine/impl/wasm/GenericWASMEngine_V1.ts
@@ -65,4 +65,19 @@ export class GenericWASMEngine_V1 implements EngineAPI_V1 {
     return callEngine(params, Module._SPI_transform);
   }
 
+  getLocation(params) {
+    return callEngine(params, Module._SPI_getLocation);
+  }
+
+  setLocation(params) {
+    return callEngine(params, Module._SPI_setLocation);
+  }
+
+  getModelData(params) {
+    return callEngine(params, Module._SPI_getModelData);
+  }
+
+  dispose(params) {
+    return callEngine(params, Module._SPI_dispose);
+  }
 }
\ No newline at end of file
diff --git a/modules/engine/impl/wasm/externals.d.ts b/modules/engine/impl/wasm/externals.d.ts
index 615ecf8e..123b441d 100644
--- a/modules/engine/impl/wasm/externals.d.ts
+++ b/modules/engine/impl/wasm/externals.d.ts
@@ -15,4 +15,8 @@ declare var Module: {
   _SPI_loadModel: Function;
   _SPI_tessellate: Function;
   _SPI_transform: Function;
+  _SPI_getLocation: Function;
+  _SPI_setLocation: Function;
+  _SPI_getModelData: Function;
+  _SPI_dispose: Function;
 };
diff --git a/web/app/cad/sandbox.ts b/web/app/cad/sandbox.ts
index 52805d83..4bb338b5 100644
--- a/web/app/cad/sandbox.ts
+++ b/web/app/cad/sandbox.ts
@@ -290,18 +290,38 @@ export function runSandbox(ctx: ApplicationContext) {
 
     let data = ctx.craftEngine.modellingEngine.loadModel(box);
 
-    data = ctx.craftEngine.modellingEngine.transform({
+    ctx.craftEngine.modellingEngine.setLocation({
       model: data.ptr,
       matrix: Matrix3x4.rotateMatrix(45 * DEG_RAD, AXIS.Y, ORIGIN).toFlatArray()
     });
 
+    data = ctx.craftEngine.modellingEngine.getModelData({
+      model: data.ptr,
+    });
+
     const tessellation = ctx.craftEngine.modellingEngine.tessellate({
       model: data.ptr,
       deflection: 3
     });
 
+    const location = ctx.craftEngine.modellingEngine.getLocation({
+      model: data.ptr
+    });
+
+    console.log("Location: ->>> ");
+    console.log(location);
+
+    console.log("Tesselation: ->>> ");
     console.log(tessellation);
 
+    // ctx.craftEngine.modellingEngine.dispose({
+    //   model: data.ptr
+    // });
+    //
+    // ctx.craftEngine.modellingEngine.getLocation({
+    //   model: data.ptr
+    // });
+
 
     const mBrepShell = readShellEntityFromJson(data);