Teapot 3D model data moved to app resources

* GLTeapot 3D model data moved from the text file "teapot.data" into
  Application resources;
* Fixes #4934 and completes GCI 2011 task made by Aleksas Pantechovskis.
  Thanks for contribution!!!

Signed-off-by: Siarzhuk Zharski <[email protected]>

src/apps/glteapot/GLObject.cpp

@@ -16,12 +16,17 @@
 	This file may be used under the terms of the Be Sample Code License.
 */
 
+
 #include "GLObject.h"
+
+#include <Application.h>
 #include <GL/gl.h>
-#include <stdlib.h>
 #include <InterfaceKit.h>
+#include <Resources.h>
+
 #include "glob.h"
 
+
 struct material {
 	float ambient[3], diffuse[3], specular[3];
 };
@@ -141,6 +146,7 @@ GLObject::MenuInvoked(BPoint point)
 	setEvent(fObjView->drawEvent);
 }
 
+
 int
 GLObject::Solidity() const
 {
@@ -148,6 +154,7 @@ GLObject::Solidity() const
 }
 
 
+
 bool
 GLObject::SpinIt()
 {
@@ -200,33 +207,42 @@ GLObject::Draw(bool forID, float IDcolor[])
 }
 
 
-TriangleObject::TriangleObject(ObjectView* ov, char* filename)
+TriangleObject::TriangleObject(ObjectView* ov)
-	: 	GLObject(ov), 
+		: 	
+		GLObject(ov),
+		fStatus(B_NO_INIT),
 		fPoints(100, 100),
 		fTriangles(100, 100),
 		fQs(50, 50)
 {
-	float maxp = 0;
+	BResources *res = BApplication::AppResources();
-	int numPt,numTri;
+	if (res == NULL)
+		return;
 
-	FILE* f = fopen(filename,"r");
+	size_t size = 0;
-	fscanf(f,"%d",&numPt);
+	int32 *arrayOfPoints
-//	printf("Points: %d\n",numPt);
+					= (int32*)res->LoadResource(B_RAW_TYPE, "points", &size);
-	for (int i = 0; i < numPt; i++) {
+	if (arrayOfPoints == NULL)
+		return;
+
+	float maxp = 0;
+	size_t numPt = size / sizeof(int32);
+	for (size_t i = 0; i < numPt; i += 6) {
 		point p;
-		fscanf(f,"%f %f %f %f %f %f",
+		p.x = 1e-6 * arrayOfPoints[i];
-			&p.x,
+		p.y = 1e-6 * arrayOfPoints[i + 1];
-			&p.y,
+		p.z = 1e-6 * arrayOfPoints[i + 2];
-			&p.z,
+		p.nx = 1e-6 * arrayOfPoints[i + 3];
-			&p.nx,
+		p.ny = 1e-6 * arrayOfPoints[i + 4];
-			&p.ny,
+		p.nz = 1e-6 * arrayOfPoints[i + 5];
-			&p.nz);
+
 		if (fabs(p.x) > maxp)
 			maxp = fabs(p.x);
 		if (fabs(p.y) > maxp)
 			maxp = fabs(p.y);
 		if (fabs(p.z) > maxp)
 			maxp = fabs(p.z);
+
 		fPoints.add(p);
 	}
 
@@ -236,19 +252,22 @@ TriangleObject::TriangleObject(ObjectView* ov, char* filename)
 		fPoints[i].z /= maxp;
 	}
 
-	fscanf(f,"%d",&numTri);
+	int32 *arrayOfTriangles
-//	printf("Triangles: %d\n",numTri);
+					= (int32*)res->LoadResource(B_RAW_TYPE, "triangles", &size);
-	int tpts = 0;
+	if (arrayOfTriangles == NULL)
-	for (int i = 0; i < numTri; i++) {
+		return;
+
+	size_t numTriPoints = size / sizeof(int32);
+	for (size_t i = 0; i < numTriPoints; i += 3) {
 		tri t;
-		fscanf(f,"%d %d %d",
+		t.p1 = arrayOfTriangles[i];
-			&t.p1,
+		t.p2 = arrayOfTriangles[i + 1];
-			&t.p2,
+		t.p3 = arrayOfTriangles[i + 2];
-			&t.p3);
 		fTriangles.add(t);
-		tpts += 3;
 	}
 
+	size_t numTri = numTriPoints / 3;
+
 	int qpts = 4;
 	int qp[1024];
 	quadStrip q;
@@ -259,7 +278,7 @@ TriangleObject::TriangleObject(ObjectView* ov, char* filename)
 	q.pts[1] = fTriangles[0].p3;
 	q.pts[3] = fTriangles[1].p3;
 
-	for (int i = 2; i < numTri; i += 2) {
+	for (size_t i = 2; i < numTri; i += 2) {
 		if ((fTriangles[i - 1].p1 == fTriangles[i].p2) &&
 			(fTriangles[i - 1].p3 == fTriangles[i].p3)) {
 			q.pts[q.numpts++] = fTriangles[i + 1].p1;
@@ -289,7 +308,7 @@ TriangleObject::TriangleObject(ObjectView* ov, char* filename)
 	nqs.pts = np;
 	fQs.add(nqs);
 
-	fclose(f);
+	fStatus = B_OK;
 }
 
 
@@ -301,6 +320,13 @@ TriangleObject::~TriangleObject()
 }
 
 
+status_t
+TriangleObject::InitCheck() const
+{
+	return fStatus;
+}
+
+
 void
 TriangleObject::DoDrawing(bool forID)
 {

src/apps/glteapot/GLObject.h

@@ -68,11 +68,13 @@ class GLObject {
 
 class TriangleObject : public GLObject {
 	public:
-							TriangleObject(ObjectView* ov, char* filename);
+							TriangleObject(ObjectView* ov);
 		virtual				~TriangleObject();		
+		status_t			InitCheck() const;	
 		virtual void		DoDrawing(bool forID);
 		
 	private:
+		status_t				fStatus;
 		BufferArray<point>		fPoints;
 		BufferArray<tri>		fTriangles;
 		BufferArray<quadStrip>	fQs;

src/apps/glteapot/ObjectView.cpp

@@ -18,9 +18,8 @@
 
 #include "ObjectView.h"
 
-#include <stdio.h>
+#include <Application.h>
-#include <stdlib.h>
+#include <Catalog.h>
-
 #include <Cursor.h>
 #include <InterfaceKit.h>
 #include <FindDirectory.h>
@@ -29,8 +28,8 @@
 #include "GLObject.h"
 #include "ResScroll.h"
 
-#define teapotData "teapot.data"
+#undef B_TRANSLATE_CONTEXT
-char teapotPath[PATH_MAX];
+#define B_TRANSLATE_CONTEXT "ObjectView"
 
 float displayScale = 1.0;
 float depthOfView = 30.0;
@@ -50,6 +49,9 @@ float red[3] = {1.0, 0.0, 0.0};
 
 float* bgColor = black;
 
+const char *kNoResourceError = B_TRANSLATE("The Teapot 3D model was "
+									"not found in application resources. "
+									"Please repair the program installation.");
 
 struct light {
 	float *ambient;
@@ -166,12 +168,18 @@ ObjectView::ObjectView(BRect rect, const char *name, ulong resizingMode,
 	quittingSem = create_sem(1, "quitting sem");
 	drawEvent = create_sem(0, "draw event");
 
-	char findDir[PATH_MAX];
+	TriangleObject *Tri = new TriangleObject(this);
-	find_directory(B_SYSTEM_DATA_DIRECTORY, -1, true, findDir, PATH_MAX);
+	if (Tri->InitCheck() == B_OK) {
-	sprintf(teapotPath, "%s/%s", findDir, teapotData);
 		fObjListLock.Lock();
-	fObjects.AddItem(new TriangleObject(this, teapotPath));
+		fObjects.AddItem(Tri);
 		fObjListLock.Unlock();
+	} else {
+		BAlert *NoResourceAlert	= new BAlert(B_TRANSLATE("Error"),
+						kNoResourceError, B_TRANSLATE("OK"), NULL, NULL,
+						B_WIDTH_AS_USUAL, B_OFFSET_SPACING, B_STOP_ALERT);
+		NoResourceAlert->Go();
+		delete Tri;
+	}
 }
 
 
@@ -305,11 +313,22 @@ ObjectView::MessageReceived(BMessage* msg)
 			setEvent(drawEvent);
 			break;
 		case kMsgAddModel: 
+		{
+			TriangleObject *Tri = new TriangleObject(this);
+			if (Tri->InitCheck() == B_OK) {
 				fObjListLock.Lock();
-			fObjects.AddItem(new TriangleObject(this, teapotPath));
+				fObjects.AddItem(Tri);
 				fObjListLock.Unlock();
+			} else {
+				BAlert *NoResourceAlert	= new BAlert(B_TRANSLATE("Error"),
+						kNoResourceError, B_TRANSLATE("OK"), NULL, NULL,
+						B_WIDTH_AS_USUAL, B_OFFSET_SPACING, B_STOP_ALERT);
+				NoResourceAlert->Go();
+				delete Tri;
+			}
 			setEvent(drawEvent);
 			break;
+		}
 		case kMsgLights:
 		{
 			msg->FindPointer("source", reinterpret_cast<void**>(&item));