author | Faisal Memon <faisal.memon@nokia.com> |
Thu, 09 Sep 2010 18:17:30 +0100 | |
branch | NewGraphicsArchitecture |
changeset 175 | c03ff11acab3 |
parent 0 | 5d03bc08d59c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: World implementation |
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* |
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*/ |
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|
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/*! |
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* \internal |
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* \file |
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* \brief World implementation |
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*/ |
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#ifndef M3G_CORE_INCLUDE |
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# error included by m3g_core.c; do not compile separately. |
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#endif |
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|
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#include "m3g_world.h" |
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#include "m3g_memory.h" |
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|
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/*---------------------------------------------------------------------- |
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* Internal functions |
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*--------------------------------------------------------------------*/ |
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/*! |
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* \internal |
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* \brief Destroys this World object. |
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* |
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* \param obj World object |
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*/ |
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static void m3gDestroyWorld(Object *obj) |
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{ |
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World *world = (World *) obj; |
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M3G_VALIDATE_OBJECT(world); |
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M3G_ASSIGN_REF(world->activeCamera, NULL); |
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M3G_ASSIGN_REF(world->background, NULL); |
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m3gDestroyGroup(obj); |
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} |
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|
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/*! |
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* \internal |
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* \brief Overloaded Object3D method. |
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* |
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* \param self World object |
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* \param time current world time |
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* \return minimum validity |
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*/ |
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static M3Gint m3gWorldApplyAnimation(Object *self, M3Gint time) |
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{ |
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M3Gint minValidity; |
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World *world = (World *)self; |
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M3G_VALIDATE_OBJECT(world); |
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minValidity = m3gGroupApplyAnimation(self, time); |
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if (world->background != NULL && minValidity > 0) { |
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M3Gint validity = M3G_VFUNC(Object, world->background, applyAnimation)((Object *)world->background, time); |
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minValidity = (minValidity < validity ? minValidity : validity); |
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} |
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return minValidity; |
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} |
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/*! |
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* \internal |
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* \brief Overloaded Object3D method. |
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* |
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* \param self World object |
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* \param references array of reference objects |
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* \return number of references |
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*/ |
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static M3Gint m3gWorldDoGetReferences(Object *self, Object **references) |
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{ |
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World *world = (World *)self; |
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M3Gint num = m3gGroupDoGetReferences(self, references); |
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if (world->activeCamera != NULL) { |
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if (references != NULL) |
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references[num] = (Object *)world->activeCamera; |
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num++; |
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} |
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if (world->background != NULL) { |
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if (references != NULL) |
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references[num] = (Object *)world->background; |
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num++; |
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} |
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return num; |
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} |
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/*! |
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* \internal |
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* \brief Overloaded Object3D method. |
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*/ |
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static Object *m3gWorldFindID(Object *self, M3Gint userID) |
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{ |
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World *world = (World *)self; |
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Object *found = m3gGroupFindID(self, userID); |
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109 |
|
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if (!found && world->activeCamera != NULL) { |
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found = m3gFindID((Object*) world->activeCamera, userID); |
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} |
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if (!found && world->background != NULL) { |
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found = m3gFindID((Object*) world->background, userID); |
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} |
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return found; |
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} |
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118 |
|
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119 |
/*! |
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* \internal |
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* \brief Overloaded Object3D method. |
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* |
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* \param originalObj original World object |
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* \param cloneObj pointer to cloned World object |
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* \param pairs array for all object-duplicate pairs |
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* \param numPairs number of pairs |
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*/ |
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static M3Gbool m3gWorldDuplicate(const Object *originalObj, |
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Object **cloneObj, |
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Object **pairs, |
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M3Gint *numPairs) |
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{ |
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World *original = (World *)originalObj; |
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World *clone; |
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M3G_ASSERT(*cloneObj == NULL); /* no derived classes */ |
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136 |
|
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/* Create the clone object */ |
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138 |
|
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clone = (World *)m3gCreateWorld(originalObj->interface); |
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if (!clone) { |
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return M3G_FALSE; |
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} |
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*cloneObj = (Object *)clone; |
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144 |
|
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/* Duplicate base class data */ |
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146 |
|
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if (!m3gGroupDuplicate(originalObj, cloneObj, pairs, numPairs)) { |
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return M3G_FALSE; |
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149 |
} |
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150 |
|
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/* Duplicate our own data */ |
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152 |
|
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M3G_ASSIGN_REF(clone->background, original->background); |
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M3G_ASSIGN_REF(clone->activeCamera, original->activeCamera); |
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155 |
|
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return M3G_TRUE; |
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} |
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158 |
|
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159 |
/*! |
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* \internal |
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* \brief Overloaded Object3D method. |
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* |
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* \param self World object |
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* \param pairs array for all object-duplicate pairs |
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* \param numPairs number of pairs |
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*/ |
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static void m3gWorldUpdateDuplicateReferences(Node *self, Object **pairs, M3Gint numPairs) |
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168 |
{ |
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World *world = (World *)self; |
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m3gGroupUpdateDuplicateReferences(self, pairs, numPairs); |
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if (world->activeCamera != NULL) { |
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Node *duplicatedInstance = m3gGetDuplicatedInstance(self, pairs, numPairs); |
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Node *activeCamDuplicate = m3gGetDuplicatedInstance((Node *)world->activeCamera, pairs, numPairs); |
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if (activeCamDuplicate != NULL && |
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m3gIsChildOf(duplicatedInstance, activeCamDuplicate)) { |
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M3G_ASSIGN_REF(((World *)duplicatedInstance)->activeCamera, activeCamDuplicate); |
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} |
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} |
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} |
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180 |
|
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181 |
/*! |
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* \internal |
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* \brief Initializes a World object. See specification |
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* for default values. |
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* |
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* \param m3g M3G interface |
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* \param world World object |
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*/ |
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static void m3gInitWorld(Interface *m3g, World *world) |
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190 |
{ |
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/* World is derived from group */ |
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m3gInitGroup(m3g, &world->group, M3G_CLASS_WORLD); |
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} |
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194 |
|
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195 |
|
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/*---------------------------------------------------------------------- |
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* Virtual function table |
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*--------------------------------------------------------------------*/ |
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199 |
|
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static const NodeVFTable m3gvf_World = { |
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{ |
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{ |
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m3gWorldApplyAnimation, |
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m3gNodeIsCompatible, |
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m3gNodeUpdateProperty, |
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m3gWorldDoGetReferences, |
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m3gWorldFindID, |
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m3gWorldDuplicate, |
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m3gDestroyWorld |
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} |
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}, |
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m3gGroupAlign, |
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NULL, /* pure virtual DoRender */ |
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m3gGroupGetBBox, |
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m3gGroupRayIntersect, |
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m3gGroupSetupRender, |
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m3gWorldUpdateDuplicateReferences, |
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m3gGroupValidate |
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}; |
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|
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|
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/*---------------------------------------------------------------------- |
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* Public API functions |
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*--------------------------------------------------------------------*/ |
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|
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/*! |
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* \brief Creates a World object. |
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* |
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* \param interface M3G interface |
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* \retval World new World object |
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* \retval NULL World creating failed |
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*/ |
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|
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/*@access M3Ginterface@*/ |
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/*@access M3Gobject@*/ |
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M3G_API M3GWorld m3gCreateWorld(M3GInterface interface) |
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{ |
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Interface *m3g = (Interface *) interface; |
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M3G_VALIDATE_INTERFACE(m3g); |
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|
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{ |
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World *world = m3gAllocZ(m3g, sizeof(World)); |
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|
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if (world != NULL) { |
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m3gInitWorld(m3g, world); |
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} |
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|
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return (M3GWorld) world; |
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} |
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} |
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|
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/*! |
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* \brief Set active camera. |
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* |
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* \param handle World object |
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* \param hCamera Camera object |
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*/ |
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|
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/*@access M3Gobject@*/ |
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M3G_API void m3gSetActiveCamera(M3GWorld handle, M3GCamera hCamera) |
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{ |
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World *world = (World *) handle; |
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M3G_VALIDATE_OBJECT(world); |
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|
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if(hCamera == NULL) { |
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m3gRaiseError(M3G_INTERFACE(world), M3G_NULL_POINTER); |
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return; |
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} |
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|
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M3G_ASSIGN_REF(world->activeCamera, hCamera); |
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} |
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|
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/*! |
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* \brief Set background. |
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* |
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* \param handle World object |
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* \param hBackground Background object |
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*/ |
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|
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/*@access M3Gobject@*/ |
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M3G_API void m3gSetBackground(M3GWorld handle, M3GBackground hBackground) |
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{ |
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World *world = (World *) handle; |
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M3G_VALIDATE_OBJECT(world); |
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|
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M3G_ASSIGN_REF(world->background, hBackground); |
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} |
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|
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/*! |
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* \brief Get background. |
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* |
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* \param handle World object |
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* \return Background object |
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*/ |
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|
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/*@access M3Gobject@*/ |
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M3G_API M3GBackground m3gGetBackground(M3GWorld handle) |
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{ |
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World *world = (World *) handle; |
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M3G_VALIDATE_OBJECT(world); |
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|
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return world->background; |
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} |
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|
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/*! |
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* \brief Get active camera. |
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* |
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* \param handle World object |
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* \return Camera object |
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*/ |
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|
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/*@access M3Gobject@*/ |
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M3G_API M3GCamera m3gGetActiveCamera(M3GWorld handle) |
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{ |
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World *world = (World *) handle; |
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M3G_VALIDATE_OBJECT(world); |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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return world->activeCamera; |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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} |
5d03bc08d59c
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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320 |