Second Life viewer sources 1.13.2.12

1 files changed, 114 insertions, 0 deletions

diff --git a/linden/indra/newview/llviewercamera.h b/linden/indra/newview/llviewercamera.h
new file mode 100644
index 0000000..8ea2738
--- /dev/null
+++ b/linden/indra/newview/llviewercamera.h
@@ -0,0 +1,114 @@
+/** 
+ * @file llviewercamera.h
+ * @brief LLViewerCamera class header file
+ *
+ * Copyright (c) 2002-2007, Linden Research, Inc.
+ * 
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#ifndef LL_LLVIEWERCAMERA_H
+#define LL_LLVIEWERCAMERA_H
+
+#include "llcamera.h"
+#include "lltimer.h"
+#include "llstat.h"
+#include "m4math.h"
+
+class LLCoordGL;
+class LLViewerObject;
+
+// This rotation matrix moves the default OpenGL reference frame 
+// (-Z at, Y up) to Cory's favorite reference frame (X at, Z up)
+const F32 OGL_TO_CFR_ROTATION[16] = {  0.f,  0.f, -1.f,  0.f,   // -Z becomes X
+                                                                          -1.f,  0.f,  0.f,  0.f,       // -X becomes Y
+                                                                           0.f,  1.f,  0.f,  0.f,       //  Y becomes Z
+                                                                           0.f,  0.f,  0.f,  1.f };
+
+class LLViewerCamera : public LLCamera
+{
+public:
+        LLViewerCamera();
+
+//      const LLVector3 &getPositionAgent() const;
+//      const LLVector3d &getPositionGlobal() const;
+
+        void updateCameraLocation(const LLVector3 &center,
+                                                                const LLVector3 &up_direction,
+                                                                const LLVector3 &point_of_interest);
+
+        void updateFrustumPlanes();
+        void setPerspective(BOOL for_selection, S32 x, S32 y_from_bot, S32 width, S32 height, BOOL limit_select_distance, F32 z_near = 0, F32 z_far = 0);
+
+        const LLMatrix4 &getProjection() const;
+        const LLMatrix4 &getModelview() const;
+
+        // Warning!  These assume the current global matrices are correct
+        void projectScreenToPosAgent(const S32 screen_x, const S32 screen_y, LLVector3* pos_agent ) const;
+        BOOL projectPosAgentToScreen(const LLVector3 &pos_agent, LLCoordGL &out_point, const BOOL clamp = TRUE) const;
+        BOOL projectPosAgentToScreenEdge(const LLVector3 &pos_agent, LLCoordGL &out_point) const;
+
+
+        LLStat *getVelocityStat() { return &mVelocityStat; }
+        LLStat *getAngularVelocityStat() { return &mAngularVelocityStat; }
+
+        void getPixelVectors(const LLVector3 &pos_agent, LLVector3 &up, LLVector3 &right);
+        LLVector3 roundToPixel(const LLVector3 &pos_agent);
+
+        void setDefaultFOV(F32 fov) { mCameraFOVDefault = fov; }
+        F32 getDefaultFOV() { return mCameraFOVDefault; }
+
+        BOOL cameraUnderWater() const;
+
+        const LLVector3 &getPointOfInterest() { return mLastPointOfInterest; }
+        BOOL areVertsVisible(LLViewerObject* volumep, BOOL all_verts);
+        F32 getPixelMeterRatio() const                          { return mPixelMeterRatio; }
+        S32 getScreenPixelArea() const                          { return mScreenPixelArea; }
+
+        void setZoomParameters(F32 factor, S16 subregion) { mZoomFactor = factor; mZoomSubregion = subregion; }
+        F32 getZoomFactor() { return mZoomFactor; }                             
+        S16 getZoomSubRegion() { return mZoomSubregion; } 
+
+protected:
+        void calcProjection(const F32 far_distance) const;
+
+        LLStat mVelocityStat;
+        LLStat mAngularVelocityStat;
+        mutable LLMatrix4       mProjectionMatrix;      // Cache of perspective matrix
+        mutable LLMatrix4       mModelviewMatrix;
+        F32                                     mCameraFOVDefault;
+        LLVector3                       mLastPointOfInterest;
+        F32                                     mPixelMeterRatio; // Divide by distance from camera to get pixels per meter at that distance.
+        S32                                     mScreenPixelArea; // Pixel area of entire window
+        F32                                     mZoomFactor;
+        S16                                     mZoomSubregion;
+
+public:
+        static BOOL sDisableCameraConstraints;
+        F64             mGLProjectionMatrix[16];
+        
+};
+
+extern LLViewerCamera *gCamera;
+extern F64 gGLModelView[16];
+extern S32 gGLViewport[4];
+
+#endif // LL_LLVIEWERCAMERA_H