assimp/tools/assimp_view/Display.h

505 lines
16 KiB
C++

/*
---------------------------------------------------------------------------
Open Asset Import Library (ASSIMP)
---------------------------------------------------------------------------
Copyright (c) 2006-2010, ASSIMP Development Team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the ASSIMP team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the ASSIMP Development Team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"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 THE COPYRIGHT
OWNER OR CONTRIBUTORS 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.
---------------------------------------------------------------------------
*/
#if (!defined AV_DISPLAY_H_INCLUDED)
#define AV_DISPLAY_H_INCLUDE
// see CDisplay::m_aiImageList
#define AI_VIEW_IMGLIST_NODE 0x0
#define AI_VIEW_IMGLIST_MATERIAL 0x1
#define AI_VIEW_IMGLIST_TEXTURE 0x2
#define AI_VIEW_IMGLIST_TEXTURE_INVALID 0x3
#define AI_VIEW_IMGLIST_MODEL 0x4
//-------------------------------------------------------------------------------
/* Corresponds to the "Display" combobox in the UI
*/
//-------------------------------------------------------------------------------
class CDisplay
{
private:
// helper class
struct Info
{
Info( D3DXVECTOR4* p1,
AssetHelper::MeshHelper* p2,
const char* p3)
: pclrColor(p1),pMesh(p2),szShaderParam(p3) {}
D3DXVECTOR4* pclrColor;
AssetHelper::MeshHelper* pMesh;
const char* szShaderParam;
};
// default constructor
CDisplay()
: m_iViewMode(VIEWMODE_FULL),
m_pcCurrentTexture(NULL),
m_pcCurrentNode(NULL),
m_pcCurrentMaterial(NULL),
m_hImageList(NULL),
m_hRoot(NULL),
m_fTextureZoom(1000.0f)
{
this->m_aiImageList[0] = 0;
this->m_aiImageList[1] = 1;
this->m_aiImageList[2] = 2;
this->m_aiImageList[3] = 3;
this->m_aiImageList[4] = 4;
this->m_avCheckerColors[0].x = this->m_avCheckerColors[0].y = this->m_avCheckerColors[0].z = 0.4f;
this->m_avCheckerColors[1].x = this->m_avCheckerColors[1].y = this->m_avCheckerColors[1].z = 0.6f;
}
public:
//------------------------------------------------------------------
enum
{
// the full model is displayed
VIEWMODE_FULL,
// a material is displayed on a simple spjere as model
VIEWMODE_MATERIAL,
// a texture with an UV set mapped on it is displayed
VIEWMODE_TEXTURE,
// a single node in the scenegraph is displayed
VIEWMODE_NODE,
};
//------------------------------------------------------------------
// represents a texture in the tree view
struct TextureInfo
{
// texture info
IDirect3DTexture9** piTexture;
// Blend factor of the texture
float fBlend;
// blend operation for the texture
aiTextureOp eOp;
// UV index for the texture
unsigned int iUV;
// Associated tree item
HTREEITEM hTreeItem;
// Original path to the texture
std::string szPath;
// index of the corresponding material
unsigned int iMatIndex;
// type of the texture
unsigned int iType;
};
//------------------------------------------------------------------
// represents a node in the tree view
struct NodeInfo
{
// node object
aiNode* psNode;
// corresponding tree view item
HTREEITEM hTreeItem;
};
//------------------------------------------------------------------
// represents a material in the tree view
struct MaterialInfo
{
// material index
unsigned int iIndex;
// material object
aiMaterial* psMaterial;
// ID3DXEffect interface
ID3DXEffect* piEffect;
// corresponding tree view item
HTREEITEM hTreeItem;
};
//------------------------------------------------------------------
// Singleton accessors
static CDisplay s_cInstance;
inline static CDisplay& Instance ()
{
return s_cInstance;
}
//------------------------------------------------------------------
// Called during the render loop. Renders the scene (including the
// HUD etc) in the current view mode
int OnRender();
//------------------------------------------------------------------
// called when the user selects another item in the "Display" tree
// view the method determines the new view mode and performs all
// required operations
// \param p_hTreeItem Selected tree view item
int OnSetup(HTREEITEM p_hTreeItem);
//------------------------------------------------------------------
// Variant 1: Render the full scene with the asset
int RenderFullScene();
#if 0
//------------------------------------------------------------------
// Variant 2: Render only a part of the scene. One node to
// be exact
int RenderScenePart();
#endif
//------------------------------------------------------------------
// Variant 3: Render a large sphere and map a given material on it
int RenderMaterialView();
//------------------------------------------------------------------
// Variant 4: Render a flat plane, map a texture on it and
// display the UV wire on it
int RenderTextureView();
//------------------------------------------------------------------
// Fill the UI combobox with a list of all supported view modi
//
// The display modes are added in order
int FillDisplayList(void);
//------------------------------------------------------------------
// Add a material and all sub textures to the display mode list
// hRoot - Handle to the root of the tree view
// iIndex - Material index
int AddMaterialToDisplayList(HTREEITEM hRoot,
unsigned int iIndex);
//------------------------------------------------------------------
// Add a texture to the display list
// pcMat - material containing the texture
// hTexture - Handle to the material tree item
// szPath - Path to the texture
// iUVIndex - UV index to be used for the texture
// fBlendFactor - Blend factor to be used for the texture
// eTextureOp - texture operation to be used for the texture
int AddTextureToDisplayList(unsigned int iType,
unsigned int iIndex,
const aiString* szPath,
HTREEITEM hFX,
unsigned int iUVIndex = 0,
const float fBlendFactor = 0.0f,
aiTextureOp eTextureOp = aiTextureOp_Multiply,
unsigned int iMesh = 0);
//------------------------------------------------------------------
// Add a node to the display list
// Recusrivly add all subnodes
// iIndex - Index of the node in the parent's child list
// iDepth - Current depth of the node
// pcNode - Node object
// hRoot - Parent tree view node
int AddNodeToDisplayList(
unsigned int iIndex,
unsigned int iDepth,
aiNode* pcNode,
HTREEITEM hRoot);
//------------------------------------------------------------------
// Load the image list for the tree view item
int LoadImageList(void);
//------------------------------------------------------------------
// Expand all nodes in the tree
int ExpandTree();
//------------------------------------------------------------------
// Fill the UI combobox with a list of all supported animations
// The animations are added in order
int FillAnimList(void);
//------------------------------------------------------------------
// Clear the combox box containing the list of animations
int ClearAnimList(void);
//------------------------------------------------------------------
// Clear the combox box containing the list of scenegraph items
int ClearDisplayList(void);
//------------------------------------------------------------------
// Fill in the default statistics
int FillDefaultStatistics(void);
//------------------------------------------------------------------
// Called by LoadAsset()
// reset the class instance to the default values
int Reset(void);
//------------------------------------------------------------------
// Replace the texture that is current selected with
// a new texture
int ReplaceCurrentTexture(const char* szPath);
//------------------------------------------------------------------
// Display the context menu (if there) for the specified tree item
// hItem Valid tree view item handle
int ShowTreeViewContextMenu(HTREEITEM hItem);
//------------------------------------------------------------------
// Event handling for pop-up menus displayed by th tree view
int HandleTreeViewPopup(WPARAM wParam,LPARAM lParam);
//------------------------------------------------------------------
// Enable animation-related parts of the UI
int EnableAnimTools(BOOL hm) ;
//------------------------------------------------------------------
// setter for m_iViewMode
inline void SetViewMode(unsigned int p_iNew)
{
this->m_iViewMode = p_iNew;
}
//------------------------------------------------------------------
// getter for m_iViewMode
inline unsigned int GetViewMode()
{
return m_iViewMode;
}
//------------------------------------------------------------------
// change the texture view's zoom factor
inline void SetTextureViewZoom(float f)
{
// FIX: Removed log(), seems to make more problems than it fixes
this->m_fTextureZoom += f* 15;
if (this->m_fTextureZoom < 0.05f)this->m_fTextureZoom = 0.05f;
}
//------------------------------------------------------------------
// change the texture view's offset on the x axis
inline void SetTextureViewOffsetX(float f)
{
this->m_vTextureOffset.x += f;
}
//------------------------------------------------------------------
// change the texture view's offset on the y axis
inline void SetTextureViewOffsetY(float f)
{
this->m_vTextureOffset.y += f;
}
//------------------------------------------------------------------
// add a new texture to the list
inline void AddTexture(const TextureInfo& info)
{
this->m_asTextures.push_back(info);
}
//------------------------------------------------------------------
// add a new node to the list
inline void AddNode(const NodeInfo& info)
{
this->m_asNodes.push_back(info);
}
//------------------------------------------------------------------
// add a new material to the list
inline void AddMaterial(const MaterialInfo& info)
{
this->m_asMaterials.push_back(info);
}
//------------------------------------------------------------------
// set the primary color of the checker pattern background
inline void SetFirstCheckerColor(D3DXVECTOR4 c)
{
this->m_avCheckerColors[0] = c;
}
//------------------------------------------------------------------
// set the secondary color of the checker pattern background
inline void SetSecondCheckerColor(D3DXVECTOR4 c)
{
this->m_avCheckerColors[1] = c;
}
//------------------------------------------------------------------
// get the primary color of the checker pattern background
inline const D3DXVECTOR4* GetFirstCheckerColor() const
{
return &this->m_avCheckerColors[0];
}
//------------------------------------------------------------------
// get the secondary color of the checker pattern background
inline const D3DXVECTOR4* GetSecondCheckerColor() const
{
return &this->m_avCheckerColors[1];
}
private:
//------------------------------------------------------------------
// Render a screen-filling square using the checker pattern shader
int RenderPatternBG();
//------------------------------------------------------------------
// Render a given node in the scenegraph
// piNode Node to be rendered
// piMatrix Current transformation matrix
// bAlpha Render alpha or opaque objects only?
int RenderNode (aiNode* piNode,const aiMatrix4x4& piMatrix,
bool bAlpha = false);
//------------------------------------------------------------------
// Setup the camera for the stereo view rendering mode
int SetupStereoView();
//------------------------------------------------------------------
// Render the second view (for the right eye) in stereo mod
// m - World matrix
int RenderStereoView(const aiMatrix4x4& m);
//------------------------------------------------------------------
// Handle user input
int HandleInput();
//------------------------------------------------------------------
// Handle user input for the texture viewer
int HandleInputTextureView();
//------------------------------------------------------------------
// Handle user input if no asset is loaded
int HandleInputEmptyScene();
//------------------------------------------------------------------
// Draw the HUD (call only if FPS mode isn't active)
int DrawHUD();
//------------------------------------------------------------------
// Used by OnSetup().
// Do everything necessary to switch to texture view mode
int OnSetupTextureView(TextureInfo* pcNew);
//------------------------------------------------------------------
// Used by OnSetup().
// Do everything necessary to switch to material view mode
int OnSetupMaterialView(MaterialInfo* pcNew);
//------------------------------------------------------------------
// Used by OnSetup().
// Do everything necessary to switch to node view mode
int OnSetupNodeView(NodeInfo* pcNew);
//------------------------------------------------------------------
// Used by OnSetup().
// Do everything necessary to switch back to normal view mode
int OnSetupNormalView();
//------------------------------------------------------------------
// Used by HandleTreeViewPopup().
int HandleTreeViewPopup2(WPARAM wParam,LPARAM lParam);
//------------------------------------------------------------------
// Render skeleton
int RenderSkeleton (aiNode* piNode,const aiMatrix4x4& piMatrix,
const aiMatrix4x4& parent);
private:
// view mode
unsigned int m_iViewMode;
// List of all textures in the display CB
std::vector<TextureInfo> m_asTextures;
// current texture or NULL if no texture is active
TextureInfo* m_pcCurrentTexture;
// List of all node in the display CB
std::vector<NodeInfo> m_asNodes;
// current Node or NULL if no Node is active
NodeInfo* m_pcCurrentNode;
// List of all materials in the display CB
std::vector<MaterialInfo> m_asMaterials;
// current material or NULL if no material is active
MaterialInfo* m_pcCurrentMaterial;
// indices into the image list of the "display" tree view control
unsigned int m_aiImageList[5]; /* = {0,1,2,3,4};*/
// Image list
HIMAGELIST m_hImageList;
// Root node of the tree, "Model"
HTREEITEM m_hRoot;
// Current zoom factor of the texture viewer
float m_fTextureZoom;
// Current offset (in pixels) of the texture viewer
aiVector2D m_vTextureOffset;
// Colors used to draw the checker pattern (for the
// texture viewer as background )
D3DXVECTOR4 m_avCheckerColors[2];
// View projection matrix
aiMatrix4x4 mViewProjection;
aiVector3D vPos;
};
#endif // AV_DISPLAY_H_INCLUDE