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SOP/MSS_CustomBrushState.h
/*
* Copyright (c) 2018
* Side Effects Software Inc. All rights reserved.
*
* Redistribution and use of Houdini Development Kit samples in source and
* binary forms, with or without modification, are permitted provided that the
* following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. The name of Side Effects Software may not be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY SIDE EFFECTS SOFTWARE `AS IS' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL SIDE EFFECTS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*----------------------------------------------------------------------------
* This code is for creating the state to go with this op.
*/
#ifndef __MSS_CustomBrushState_H__
#define __MSS_CustomBrushState_H__
#include <DM/DM_Detail.h>
#include <GU/GU_Detail.h>
class JEDI_View;
namespace HDK_Sample {
class MSS_CustomBrushState : public MSS_SingleOpState
{
public:
MSS_CustomBrushState(JEDI_View &view, PI_StateTemplate &templ,
BM_SceneManager *scene,
const char *cursor = BM_DEFAULT_CURSOR);
/// used by DM to create our state
static BM_State *ourConstructor(BM_View &view, PI_StateTemplate &templ,
BM_SceneManager *scene);
/// parameters for this state
/// The name and type of this class:
virtual const char *className() const;
protected:
/// called when the user enters the state
/// called when the user leaves the state
virtual void exit();
/// called when the user temporarily leaves the state (mouse leaves the
/// viewport)
virtual void interrupt(BM_SimpleState * = 0);
/// called when the user returns to the state after leaving temporarily
/// (mouse re-enters the viewport)
virtual void resume(BM_SimpleState * = 0);
/// Respond to mouse or keyboard events.
/// Render the brush "cursor" geometry:
virtual void doRender(RE_Render *r, int x, int y, int ghost);
/// sets the prompt's text
virtual void updatePrompt();
/// repositions the brush's guide geometry
void updateBrush(int x, int y);
private:
bool myIsBrushVisible;
DM_Detail myBrushHandle;
GU_Detail myBrushCursor;
UT_Matrix4 myBrushCursorXform;
float myBrushRadius;
/// These are used track the resizing of the cursor in the viewport
bool myResizingCursor;
short myLastCursorX, myLastCursorY;
short myResizeCursorX, myResizeCursorY;
};
} // End HDK_Sample namespace
#endif