Rough draft of physics display better matching what's on the sim.

2 files changed, 118 insertions, 10 deletions

diff --git a/indra/llprimitive/llprimitive.h b/indra/llprimitive/llprimitive.h
index a44b9a6c1f..c906d98324 100644
--- a/indra/llprimitive/llprimitive.h
+++ b/indra/llprimitive/llprimitive.h
@@ -450,6 +450,7 @@ protected:
 	U8					mNumTEs;			// # of faces on the primitve	
 	U32 				mMiscFlags;			// home for misc bools
 
+public:
 	static LLVolumeMgr* sVolumeManager;
 };
 
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index 56be8af599..b46fc9ce63 100644
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -48,7 +48,9 @@
 #include "llmeshrepository.h"
 #include "llrender.h"
 #include "lloctree.h"
+#include "llphysicsshapebuilderutil.h"
 #include "llvoavatar.h"
+#include "llvolumemgr.h"
 #include "lltextureatlas.h"
 
 static LLFastTimer::DeclareTimer FTM_FRUSTUM_CULL("Frustum Culling");
@@ -2341,6 +2343,17 @@ void pushVerts(LLDrawable* drawable, U32 mask)
 	}
 }
 
+void pushVerts(LLVolume* volume)
+{
+	LLVertexBuffer::unbind();
+	for (S32 i = 0; i < volume->getNumVolumeFaces(); ++i)
+	{
+		const LLVolumeFace& face = volume->getVolumeFace(i);
+		glVertexPointer(3, GL_FLOAT, 16, face.mPositions);
+		glDrawElements(GL_TRIANGLES, face.mNumIndices, GL_UNSIGNED_SHORT, face.mIndices);
+	}
+}
+
 void pushBufferVerts(LLVertexBuffer* buffer, U32 mask)
 {
 	if (buffer)
@@ -2789,10 +2802,19 @@ void renderPhysicsShape(LLDrawable* drawable, LLVOVolume* volume)
 
 	U32 data_mask = LLVertexBuffer::MAP_VERTEX;
 
-	if (volume->isMesh())
-	{			
+	LLVolumeParams volume_params = volume->getVolume()->getParams();
+
+	LLPhysicsVolumeParams physics_params(volume->getVolume()->getParams(), false); //pass as true if type is convex hull
+	LLPhysicsShapeBuilderUtil::PhysicsShapeSpecification physics_spec;
+	LLPhysicsShapeBuilderUtil::determinePhysicsShape(physics_params, volume->getScale(), physics_spec);
+
+	U32 type = physics_spec.getType();
+
+	if (type == LLPhysicsShapeBuilderUtil::PhysicsShapeSpecification::USER_MESH)
+	{
 		LLUUID mesh_id = volume->getVolume()->getParams().getSculptID();
 		const LLMeshDecomposition* decomp = gMeshRepo.getDecomposition(mesh_id);
+
 		if (decomp)
 		{
 			gGL.pushMatrix();
@@ -2821,18 +2843,99 @@ void renderPhysicsShape(LLDrawable* drawable, LLVOVolume* volume)
 			}
 
 			gGL.popMatrix();
+		}
+	}
+	else if (type == LLPhysicsShapeBuilderUtil::PhysicsShapeSpecification::BOX)
+	{
+		gGL.pushMatrix();
+		glMultMatrixf((GLfloat*) volume->getRelativeXform().mMatrix);
+		LLVector3 center = physics_spec.getCenter();
+		LLVector3 scale = physics_spec.getScale();
+		LLVector3 vscale = volume->getScale()*2.f;
+		scale.set(scale[0]/vscale[0], scale[1]/vscale[1], scale[2]/vscale[2]);
+		
+		gGL.color4fv(color.mV);
+		drawBox(center, scale);
+		gGL.popMatrix();
+	}
+	else if	(type == LLPhysicsShapeBuilderUtil::PhysicsShapeSpecification::SPHERE)
+	{
+		LLVolumeParams volume_params;
+		volume_params.setType( LL_PCODE_PROFILE_CIRCLE_HALF, LL_PCODE_PATH_CIRCLE );
+		volume_params.setBeginAndEndS( 0.f, 1.f );
+		volume_params.setBeginAndEndT( 0.f, 1.f );
+		volume_params.setRatio	( 1, 1 );
+		volume_params.setShear	( 0, 0 );
+		LLVolume* sphere = LLPrimitive::sVolumeManager->refVolume(volume_params, 3);
+		
+		gGL.pushMatrix();
+		glMultMatrixf((GLfloat*) volume->getRelativeXform().mMatrix);
+		glColor4fv(color.mV);
+		pushVerts(sphere);
+		gGL.popMatrix();
+		LLPrimitive::sVolumeManager->unrefVolume(sphere);
+	}
+	else if (type == LLPhysicsShapeBuilderUtil::PhysicsShapeSpecification::CYLINDER)
+	{
+		LLVolumeParams volume_params;
+		volume_params.setType( LL_PCODE_PROFILE_CIRCLE, LL_PCODE_PATH_LINE );
+		volume_params.setBeginAndEndS( 0.f, 1.f );
+		volume_params.setBeginAndEndT( 0.f, 1.f );
+		volume_params.setRatio	( 1, 1 );
+		volume_params.setShear	( 0, 0 );
+		LLVolume* cylinder = LLPrimitive::sVolumeManager->refVolume(volume_params, 3);
+		
+		gGL.pushMatrix();
+		glMultMatrixf((GLfloat*) volume->getRelativeXform().mMatrix);
+		glColor4fv(color.mV);
+		pushVerts(cylinder);
+		gGL.popMatrix();
+		LLPrimitive::sVolumeManager->unrefVolume(cylinder);
+	}
+	else if (type == LLPhysicsShapeBuilderUtil::PhysicsShapeSpecification::PRIM_MESH)
+	{
+		LLVolumeParams volume_params = volume->getVolume()->getParams();
 
-			return;
+		const S32 DEFAULT_DETAIL = 1;
+		const F32 LARGE_THRESHOLD = 5.f;
+		const F32 MEGA_THRESHOLD = 25.f;
+
+		S32 detail = DEFAULT_DETAIL;
+		LLVector3 scale = volume->getScale();
+		F32 avg_scale = (scale[0]+scale[1]+scale[2])/3.f;
+
+		if (avg_scale > LARGE_THRESHOLD)
+		{
+			detail += 1;
+			if (avg_scale > MEGA_THRESHOLD)
+			{
+				detail += 1;
+			}
 		}
+
+		LLVolume* phys_volume = LLPrimitive::sVolumeManager->refVolume(volume_params, detail);
+		gGL.pushMatrix();
+		glMultMatrixf((GLfloat*) volume->getRelativeXform().mMatrix);
+		glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+		
+		glColor3fv(color.mV);
+		pushVerts(phys_volume);
+		
+		glColor4fv(color.mV);
+		glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+		pushVerts(phys_volume);
+		gGL.popMatrix();
+		LLPrimitive::sVolumeManager->unrefVolume(phys_volume);
 	}
 	
-	//push faces
-	glColor3fv(color.mV);
-	glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
-	pushVerts(drawable, data_mask);
-	glColor4fv(color.mV);
-	glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
-	pushVerts(drawable, data_mask);
+	/*{ //analytical shape, just push visual rep.
+		glColor3fv(color.mV);
+		glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+		pushVerts(drawable, data_mask);
+		glColor4fv(color.mV);
+		glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+		pushVerts(drawable, data_mask);
+	}*/
 }
 
 void renderPhysicsShapes(LLSpatialGroup* group)
@@ -2840,6 +2943,10 @@ void renderPhysicsShapes(LLSpatialGroup* group)
 	LLGLEnable blend(GL_BLEND);
 	LLGLDepthTest test(GL_TRUE, GL_FALSE);
 
+	LLGLEnable offset_fill(GL_POLYGON_OFFSET_FILL);
+	LLGLEnable offset_line(GL_POLYGON_OFFSET_LINE);
+	glPolygonOffset(-1.f, -1.f);
+
 	for (LLSpatialGroup::OctreeNode::const_element_iter i = group->getData().begin(); i != group->getData().end(); ++i)
 	{
 		LLDrawable* drawable = *i;