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DI-Guy SDK Documentation
13.7.1
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Link against: libdiguy More...
#include <diguyAuthorVisualWaypoint.h>
Public Member Functions | |
| diguyAuthorVisualMaterial * | get_visual_material () |
| Returns the visual material to be used for rendering this object. More... | |
| int | get_visible () |
| Returns 1 if this visual should be visible, else 0. More... | |
| diguyWaypoint * | get_waypoint () |
| Returns a pointer to the waypoint this visual is associated with. More... | |
Virtual Functions | |
The functions in this section are all virtual functions that will be called by DI-Guy Author at various times during DI-Guy execution. Because the functions are all virtual, DI-Guy programmers can create a subclass of this class and override them. Unless otherwise stated, the base class functions do not need to be called. | |
| virtual void | build () |
| build() will be called by DI-Guy when it is time for a renderer-specific visual object to be created. More... | |
| virtual void | unbuild () |
| unbuild() will be called by DI-Guy when it is time for a renderer-specific visual object to be destroyed. More... | |
| virtual void | update (int update_flags) |
| update() will be called by DI-Guy when this visual has changed state and needs to be updated in some way. More... | |
| virtual void | draw () |
| draw() will be called by DI-Guy when it is time for a renderer-specific visual object to be drawn. More... | |
| virtual void | show () |
| show() will be called by DI-Guy if the visibility status of this visual has changed to be visible. More... | |
| virtual void | hide () |
| hide() will be called by DI-Guy if the visibility status of this visual has changed to be not visible. More... | |
Private Functions | |
The functions and variables past this point are for internal use only. No external access to them is expected or necessary. | |
| static diguyAuthorVisualWaypointCreateFunc * | s_create_func |
| bdiBeadWaypoint * | m_scripted_object |
| diguyAuthorVisualMaterial * | m_visual_material |
| class | diguyWaypoint |
| class | bdiBeadWaypoint |
| diguyAuthorVisualWaypoint (void *internal_data) | |
| virtual | ~diguyAuthorVisualWaypoint () |
| bdiBeadWaypoint * | get_scripted_object () |
| virtual void | internal_get_position (float *tx, float *ty, float *tz) |
| virtual void | internal_get_orientation (float *rz, float *rx, float *ry) |
Link against: libdiguy
The diguyAuthorVisualWaypoint class provides an interface for creating supplemental visuals needed for creating DI-Guy scenarios in a Host IG.
Waypoint visuals are used for visualizing waypoints on a character path.
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| diguyAuthorVisualMaterial* diguyAuthorVisualWaypoint::get_visual_material | ( | ) |
Returns the visual material to be used for rendering this object.
| int diguyAuthorVisualWaypoint::get_visible | ( | ) |
Returns 1 if this visual should be visible, else 0.
| diguyWaypoint* diguyAuthorVisualWaypoint::get_waypoint | ( | ) |
Returns a pointer to the waypoint this visual is associated with.
Most of the information needed to create the visual can be retrieved using diguyWaypoint function calls.
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build() will be called by DI-Guy when it is time for a renderer-specific visual object to be created.
All information necessary to build the visual should be available via the Accessor Functions above when this function is called.
It is common for build() and update() to use the same internal, user-written function for creating geometry.
Waypoints are typically represented by relatively complex set of cylinders and cones. The provided reference implementation diguyAuthorVisualWaypoint subclass should be consulted for how to create waypoint visual components.
Immediate Mode:
Immediate mode renderers may override this function to create an object, for example a vertex array, that may be used when draw() is called.
Scene Graph:
Scene graph renderers almost always override this function to create a scene graph node object that is attached to the scene graph and updated when update() is called.
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update() will be called by DI-Guy when this visual has changed state and needs to be updated in some way.
The update_flags argument will be a value from the diguyAuthorVisualUpdateFlag enumeration:
DIGUY_GRAPHICS_VISUAL_UPDATE_GEOMETRY
The overall geometry of the visual needs to be updated. This means that polygons, lines, and whatever other graphics primitives the visual uses need to be recreated.
DIGUY_GRAPHICS_VISUAL_UPDATE_POSITION
The position and/or orientation of the visual needs to be updated. The overall geometry of the visual (polygons, lines, etc.) remains unchanged, and don't need to be recreated. If the visual can be relocated via changing the offset of a scene graph node it can save time to not recreate a lot of geometry. If the visual can't be relocated in such a way, the entire set of geometry used by the visual; essentially, doing the same operation as for DIGUY_GRAPHICS_VISUAL_UPDATE_GEOMETRY.
DIGUY_GRAPHICS_VISUAL_UPDATE_MATERIAL
The material of the visual needs to be updated. This can include color, fill options, line width, etc. The geometry and position of the visual remain the same. The get_visual_material() function should be called to retrieve the updated materials. For some renderers it can make more sense to just recreate all of the visual geometry with the updated material settings.
DIGUY_GRAPHICS_VISUAL_UPDATE_ALL
All aspects of the visual need to be updated.
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draw() will be called by DI-Guy when it is time for a renderer-specific visual object to be drawn.
Immediate Mode:
Immediate mode renderers almost always override this function, to draw the visual.
Scene Graph:
Scene graph renderers usually do not override this function, as draw operations are usually taken care of automatically by the scene graph.
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show() will be called by DI-Guy if the visibility status of this visual has changed to be visible.
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hide() will be called by DI-Guy if the visibility status of this visual has changed to be not visible.
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