diff options
| author | Andrey Lihatskiy <alihatskiy@productengine.com> | 2024-05-22 20:51:58 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-05-22 20:51:58 +0300 |
| commit | 6cc7dd09d5e69cf57e6de7fb568a0ad2693f9c9a (patch) | |
| tree | fab23811a5cedc1ebf01479c852ee92ff62b636c /indra/newview/llsprite.cpp | |
| parent | ef8f4819822288e044ea719feb6af7a1f4df4c4e (diff) | |
| parent | 7bb5afc11ee5a6af78302a8d76a9a619e2baaab2 (diff) | |
Merge pull request #1545 from Ansariel/DRTVWR-600-maint-A
Merge main into DRTVWR-600-maint-a
Diffstat (limited to 'indra/newview/llsprite.cpp')
| -rw-r--r-- | indra/newview/llsprite.cpp | 604 |
1 files changed, 302 insertions, 302 deletions
diff --git a/indra/newview/llsprite.cpp b/indra/newview/llsprite.cpp index 866bb17820..9973350f47 100644 --- a/indra/newview/llsprite.cpp +++ b/indra/newview/llsprite.cpp @@ -1,302 +1,302 @@ -/** - * @file llsprite.cpp - * @brief LLSprite class implementation - * - * $LicenseInfo:firstyear=2000&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -/* -*- c++ -*- - * Notes: - * PR - Should add a creator that can take a pointer rather than handle for streaming - * object textures. - * PR - Need to add support for lit/non-lit conditions, set normals? - */ - -#include "llviewerprecompiledheaders.h" - -#include <llglheaders.h> - -#include "llsprite.h" - -#include "math.h" - -#include "lldrawable.h" -#include "llface.h" -#include "llviewercamera.h" -#include "llviewertexturelist.h" - -LLVector3 LLSprite::sCameraUp(0.0f,0.0f,1.0f); -LLVector3 LLSprite::sCameraRight(1.0f,0.0f,0.0f); -LLVector3 LLSprite::sCameraPosition(0.f, 0.f, 0.f); -LLVector3 LLSprite::sNormal(0.0f,0.0f,0.0f); - -////////////////////////////////////////////////////////////////////// -// Construction/Destruction -////////////////////////////////////////////////////////////////////// - -// A simple initialization -LLSprite::LLSprite(const LLUUID &image_uuid) : - mImageID(image_uuid), - mImagep(NULL), - mPitch(0.f), - mYaw(0.f), - mPosition(0.0f, 0.0f, 0.0f), - mFollow(true), - mUseCameraUp(true), - mColor(0.5f, 0.5f, 0.5f, 1.0f), - mTexMode(GL_REPLACE) -{ - setSize(1.0f, 1.0f); -} - -////////////////////////////////////////////////////////////////////// -LLSprite::~LLSprite() -{ -} - -void LLSprite::updateFace(LLFace &face) -{ - LLViewerCamera &camera = *LLViewerCamera::getInstance(); - - // First, figure out how many vertices/indices we need. - U32 num_vertices, num_indices; - - // Get the total number of vertices and indices - if (mFollow) - { - num_vertices = 4; - num_indices = 6; - } - else - { - num_vertices = 4; - num_indices = 12; - } - - face.setSize(num_vertices, num_indices); - - if (mFollow) - { - sCameraUp = camera.getUpAxis(); - sCameraRight = -camera.getLeftAxis(); - sCameraPosition = camera.getOrigin(); - sNormal = -camera.getAtAxis(); - if (mUseCameraUp) - { - // these need to live here because the height/width may change between render calls - mScaledUp = sCameraUp; - mScaledRight = sCameraRight; - - mScaledUp *= mHeightDiv2; - mScaledRight *= mWidthDiv2; - - mA = mPosition + mScaledRight + mScaledUp; - mB = mPosition - mScaledRight + mScaledUp; - mC = mPosition - mScaledRight - mScaledUp; - mD = mPosition + mScaledRight - mScaledUp; - } - else - { - // The up vector is perpendicular to the camera vector... - LLVector3 camera_vec = mPosition - sCameraPosition; - mScaledRight = camera_vec % LLVector3(0.f, 0.f, 1.f); - mScaledUp = -(camera_vec % mScaledRight); - mScaledUp.normalize(); - mScaledRight.normalize(); - mScaledUp *= mHeightDiv2; - mScaledRight *= mWidthDiv2; - - mA = mPosition + mScaledRight + mScaledUp; - mB = mPosition - mScaledRight + mScaledUp; - mC = mPosition - mScaledRight - mScaledUp; - mD = mPosition + mScaledRight - mScaledUp; - } - } - else - { - // this is equivalent to how it was done before. . . - // we need to establish a way to - // identify the orientation of a particular sprite rather than - // just banging it in on the x,z plane if it's not following the camera. - - LLVector3 x_axis; - LLVector3 y_axis; - - F32 dot = sNormal * LLVector3(0.f, 1.f, 0.f); - if (dot == 1.f || dot == -1.f) - { - x_axis.setVec(1.f, 0.f, 0.f); - y_axis.setVec(0.f, 1.f, 0.f); - } - else - { - x_axis = sNormal % LLVector3(0.f, -1.f, 0.f); - x_axis.normalize(); - - y_axis = sNormal % x_axis; - } - - LLQuaternion yaw_rot(mYaw, sNormal); - - // rotate axes by specified yaw - x_axis = x_axis * yaw_rot; - y_axis = y_axis * yaw_rot; - - // rescale axes by width and height of sprite - x_axis = x_axis * mWidthDiv2; - y_axis = y_axis * mHeightDiv2; - - mA = -x_axis + y_axis; - mB = x_axis + y_axis; - mC = x_axis - y_axis; - mD = -x_axis - y_axis; - - mA += mPosition; - mB += mPosition; - mC += mPosition; - mD += mPosition; - } - - face.setFaceColor(mColor); - - LLStrider<LLVector3> verticesp; - LLStrider<LLVector3> normalsp; - LLStrider<LLVector2> tex_coordsp; - LLStrider<U16> indicesp; - U16 index_offset; - - // Setup face - if (!face.getVertexBuffer()) - { - LLVertexBuffer* buff = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX | - LLVertexBuffer::MAP_TEXCOORD0 ); - buff->allocateBuffer(4, 12); - face.setGeomIndex(0); - face.setIndicesIndex(0); - face.setVertexBuffer(buff); - } - - index_offset = face.getGeometry(verticesp,normalsp,tex_coordsp, indicesp); - - *tex_coordsp = LLVector2(0.f, 0.f); - *verticesp = mC; - tex_coordsp++; - verticesp++; - - *tex_coordsp = LLVector2(0.f, 1.f); - *verticesp = mB; - tex_coordsp++; - verticesp++; - - *tex_coordsp = LLVector2(1.f, 1.f); - *verticesp = mA; - tex_coordsp++; - verticesp++; - - *tex_coordsp = LLVector2(1.f, 0.0f); - *verticesp = mD; - tex_coordsp++; - verticesp++; - - // Generate indices, since they're easy. - // Just a series of quads. - *indicesp++ = index_offset; - *indicesp++ = 2 + index_offset; - *indicesp++ = 1 + index_offset; - - *indicesp++ = index_offset; - *indicesp++ = 3 + index_offset; - *indicesp++ = 2 + index_offset; - - if (!mFollow) - { - *indicesp++ = 0 + index_offset; - *indicesp++ = 1 + index_offset; - *indicesp++ = 2 + index_offset; - *indicesp++ = 0 + index_offset; - *indicesp++ = 2 + index_offset; - *indicesp++ = 3 + index_offset; - } - - face.getVertexBuffer()->unmapBuffer(); - face.mCenterAgent = mPosition; -} - -void LLSprite::setPosition(const LLVector3 &position) -{ - mPosition = position; -} - - -void LLSprite::setPitch(const F32 pitch) -{ - mPitch = pitch; -} - - -void LLSprite::setSize(const F32 width, const F32 height) -{ - mWidth = width; - mHeight = height; - mWidthDiv2 = width/2.0f; - mHeightDiv2 = height/2.0f; -} - -void LLSprite::setYaw(F32 yaw) -{ - mYaw = yaw; -} - -void LLSprite::setFollow(const bool follow) -{ - mFollow = follow; -} - -void LLSprite::setUseCameraUp(const bool use_up) -{ - mUseCameraUp = use_up; -} - -void LLSprite::setTexMode(const LLGLenum mode) -{ - mTexMode = mode; -} - -void LLSprite::setColor(const LLColor4 &color) -{ - mColor = color; -} - -void LLSprite::setColor(const F32 r, const F32 g, const F32 b, const F32 a) -{ - mColor.setVec(r, g, b, a); -} - - - - - - - - - - +/**
+ * @file llsprite.cpp
+ * @brief LLSprite class implementation
+ *
+ * $LicenseInfo:firstyear=2000&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+/* -*- c++ -*-
+ * Notes:
+ * PR - Should add a creator that can take a pointer rather than handle for streaming
+ * object textures.
+ * PR - Need to add support for lit/non-lit conditions, set normals?
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include <llglheaders.h>
+
+#include "llsprite.h"
+
+#include "math.h"
+
+#include "lldrawable.h"
+#include "llface.h"
+#include "llviewercamera.h"
+#include "llviewertexturelist.h"
+
+LLVector3 LLSprite::sCameraUp(0.0f,0.0f,1.0f);
+LLVector3 LLSprite::sCameraRight(1.0f,0.0f,0.0f);
+LLVector3 LLSprite::sCameraPosition(0.f, 0.f, 0.f);
+LLVector3 LLSprite::sNormal(0.0f,0.0f,0.0f);
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+// A simple initialization
+LLSprite::LLSprite(const LLUUID &image_uuid) :
+ mImageID(image_uuid),
+ mImagep(NULL),
+ mPitch(0.f),
+ mYaw(0.f),
+ mPosition(0.0f, 0.0f, 0.0f),
+ mFollow(true),
+ mUseCameraUp(true),
+ mColor(0.5f, 0.5f, 0.5f, 1.0f),
+ mTexMode(GL_REPLACE)
+{
+ setSize(1.0f, 1.0f);
+}
+
+//////////////////////////////////////////////////////////////////////
+LLSprite::~LLSprite()
+{
+}
+
+void LLSprite::updateFace(LLFace &face)
+{
+ LLViewerCamera &camera = *LLViewerCamera::getInstance();
+
+ // First, figure out how many vertices/indices we need.
+ U32 num_vertices, num_indices;
+
+ // Get the total number of vertices and indices
+ if (mFollow)
+ {
+ num_vertices = 4;
+ num_indices = 6;
+ }
+ else
+ {
+ num_vertices = 4;
+ num_indices = 12;
+ }
+
+ face.setSize(num_vertices, num_indices);
+
+ if (mFollow)
+ {
+ sCameraUp = camera.getUpAxis();
+ sCameraRight = -camera.getLeftAxis();
+ sCameraPosition = camera.getOrigin();
+ sNormal = -camera.getAtAxis();
+ if (mUseCameraUp)
+ {
+ // these need to live here because the height/width may change between render calls
+ mScaledUp = sCameraUp;
+ mScaledRight = sCameraRight;
+
+ mScaledUp *= mHeightDiv2;
+ mScaledRight *= mWidthDiv2;
+
+ mA = mPosition + mScaledRight + mScaledUp;
+ mB = mPosition - mScaledRight + mScaledUp;
+ mC = mPosition - mScaledRight - mScaledUp;
+ mD = mPosition + mScaledRight - mScaledUp;
+ }
+ else
+ {
+ // The up vector is perpendicular to the camera vector...
+ LLVector3 camera_vec = mPosition - sCameraPosition;
+ mScaledRight = camera_vec % LLVector3(0.f, 0.f, 1.f);
+ mScaledUp = -(camera_vec % mScaledRight);
+ mScaledUp.normalize();
+ mScaledRight.normalize();
+ mScaledUp *= mHeightDiv2;
+ mScaledRight *= mWidthDiv2;
+
+ mA = mPosition + mScaledRight + mScaledUp;
+ mB = mPosition - mScaledRight + mScaledUp;
+ mC = mPosition - mScaledRight - mScaledUp;
+ mD = mPosition + mScaledRight - mScaledUp;
+ }
+ }
+ else
+ {
+ // this is equivalent to how it was done before. . .
+ // we need to establish a way to
+ // identify the orientation of a particular sprite rather than
+ // just banging it in on the x,z plane if it's not following the camera.
+
+ LLVector3 x_axis;
+ LLVector3 y_axis;
+
+ F32 dot = sNormal * LLVector3(0.f, 1.f, 0.f);
+ if (dot == 1.f || dot == -1.f)
+ {
+ x_axis.setVec(1.f, 0.f, 0.f);
+ y_axis.setVec(0.f, 1.f, 0.f);
+ }
+ else
+ {
+ x_axis = sNormal % LLVector3(0.f, -1.f, 0.f);
+ x_axis.normalize();
+
+ y_axis = sNormal % x_axis;
+ }
+
+ LLQuaternion yaw_rot(mYaw, sNormal);
+
+ // rotate axes by specified yaw
+ x_axis = x_axis * yaw_rot;
+ y_axis = y_axis * yaw_rot;
+
+ // rescale axes by width and height of sprite
+ x_axis = x_axis * mWidthDiv2;
+ y_axis = y_axis * mHeightDiv2;
+
+ mA = -x_axis + y_axis;
+ mB = x_axis + y_axis;
+ mC = x_axis - y_axis;
+ mD = -x_axis - y_axis;
+
+ mA += mPosition;
+ mB += mPosition;
+ mC += mPosition;
+ mD += mPosition;
+ }
+
+ face.setFaceColor(mColor);
+
+ LLStrider<LLVector3> verticesp;
+ LLStrider<LLVector3> normalsp;
+ LLStrider<LLVector2> tex_coordsp;
+ LLStrider<U16> indicesp;
+ U16 index_offset;
+
+ // Setup face
+ if (!face.getVertexBuffer())
+ {
+ LLVertexBuffer* buff = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX |
+ LLVertexBuffer::MAP_TEXCOORD0 );
+ buff->allocateBuffer(4, 12);
+ face.setGeomIndex(0);
+ face.setIndicesIndex(0);
+ face.setVertexBuffer(buff);
+ }
+
+ index_offset = face.getGeometry(verticesp,normalsp,tex_coordsp, indicesp);
+
+ *tex_coordsp = LLVector2(0.f, 0.f);
+ *verticesp = mC;
+ tex_coordsp++;
+ verticesp++;
+
+ *tex_coordsp = LLVector2(0.f, 1.f);
+ *verticesp = mB;
+ tex_coordsp++;
+ verticesp++;
+
+ *tex_coordsp = LLVector2(1.f, 1.f);
+ *verticesp = mA;
+ tex_coordsp++;
+ verticesp++;
+
+ *tex_coordsp = LLVector2(1.f, 0.0f);
+ *verticesp = mD;
+ tex_coordsp++;
+ verticesp++;
+
+ // Generate indices, since they're easy.
+ // Just a series of quads.
+ *indicesp++ = index_offset;
+ *indicesp++ = 2 + index_offset;
+ *indicesp++ = 1 + index_offset;
+
+ *indicesp++ = index_offset;
+ *indicesp++ = 3 + index_offset;
+ *indicesp++ = 2 + index_offset;
+
+ if (!mFollow)
+ {
+ *indicesp++ = 0 + index_offset;
+ *indicesp++ = 1 + index_offset;
+ *indicesp++ = 2 + index_offset;
+ *indicesp++ = 0 + index_offset;
+ *indicesp++ = 2 + index_offset;
+ *indicesp++ = 3 + index_offset;
+ }
+
+ face.getVertexBuffer()->unmapBuffer();
+ face.mCenterAgent = mPosition;
+}
+
+void LLSprite::setPosition(const LLVector3 &position)
+{
+ mPosition = position;
+}
+
+
+void LLSprite::setPitch(const F32 pitch)
+{
+ mPitch = pitch;
+}
+
+
+void LLSprite::setSize(const F32 width, const F32 height)
+{
+ mWidth = width;
+ mHeight = height;
+ mWidthDiv2 = width/2.0f;
+ mHeightDiv2 = height/2.0f;
+}
+
+void LLSprite::setYaw(F32 yaw)
+{
+ mYaw = yaw;
+}
+
+void LLSprite::setFollow(const bool follow)
+{
+ mFollow = follow;
+}
+
+void LLSprite::setUseCameraUp(const bool use_up)
+{
+ mUseCameraUp = use_up;
+}
+
+void LLSprite::setTexMode(const LLGLenum mode)
+{
+ mTexMode = mode;
+}
+
+void LLSprite::setColor(const LLColor4 &color)
+{
+ mColor = color;
+}
+
+void LLSprite::setColor(const F32 r, const F32 g, const F32 b, const F32 a)
+{
+ mColor.setVec(r, g, b, a);
+}
+
+
+
+
+
+
+
+
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