cal3d (empty) → 0.1

raw patch · 12 files changed

+1590/−0 lines, 12 filesdep +basesetup-changed

Dependencies added: base

Files

Graphics/Animation/Cal3D.hs +25/−0
Graphics/Animation/Cal3D/CoreModel.hs +139/−0
Graphics/Animation/Cal3D/Error.hs +43/−0
Graphics/Animation/Cal3D/Mixer.hs +74/−0
Graphics/Animation/Cal3D/Model.hs +72/−0
Graphics/Animation/Cal3D/Renderer.hs +222/−0
Graphics/Animation/Cal3D/Types.hs +71/−0
LICENSE +461/−0
Setup.hs +3/−0
c++/cal3d_c.cc +271/−0
c++/cal3d_c.h +154/−0
cal3d.cabal +55/−0

+ Graphics/Animation/Cal3D.hs view

@@ -0,0 +1,25 @@+{-# LANGUAGE ForeignFunctionInterface #-}+{-# INCLUDE "cal3d_c.h" #-}++module Graphics.Animation.Cal3D +    (+     module Graphics.Animation.Cal3D.Types+    , module Graphics.Animation.Cal3D.CoreModel+    , module Graphics.Animation.Cal3D.Model+    , module Graphics.Animation.Cal3D.Mixer+    , module Graphics.Animation.Cal3D.Renderer+    , module Graphics.Animation.Cal3D.Error -- is this needed?+    )++where++import Foreign+import Foreign.C.Types+import Foreign.C.String++import Graphics.Animation.Cal3D.Types+import Graphics.Animation.Cal3D.CoreModel+import Graphics.Animation.Cal3D.Model+import Graphics.Animation.Cal3D.Mixer+import Graphics.Animation.Cal3D.Renderer+import Graphics.Animation.Cal3D.Error

+ Graphics/Animation/Cal3D/CoreModel.hs view

@@ -0,0 +1,139 @@+{-# LANGUAGE ForeignFunctionInterface #-}+{-# INCLUDE "cal3d_c.h" #-}++{- | A 'CoreModel' is a model type from which many instance 'Model's can be+created.  For example, there could be a clown CoreModel and many+individual clown instances.  The CoreModel contains data shared+by its instances:++* A single skeleton++* One or more meshes, represented by 'MeshId's++* One or more animations, represented by 'AnimationId's++* One or more materials, represented by 'MaterialId's+ +Each of these may be loaded from a file by the+appropriate loader function, for example, 'loadCoreSkeleton'.++Materials of the CoreModel are organized by "sets" and "threads."+Within a material set, represented by a 'MaterialSetId', all materials+have the same appearance, such as metal or wood.  +Each material thread, represented by a 'MaterialThreadId',+is associated with a particular part of the model, such as head or arm.+Changing material sets of a model (instance) is a convenient way+of changing the character's costume or over-all look.+-}++module Graphics.Animation.Cal3D.CoreModel+    (newCoreModel, deleteCoreModel+    , loadCoreSkeleton+    , loadCoreAnimation+    , loadCoreMesh+    , loadCoreMaterial+    , createCoreMaterialThread+    , setCoreMaterialId+    )++where++import Foreign+import Foreign.C.Types+import Foreign.C.String++import Graphics.Animation.Cal3D.Types+import Graphics.Animation.Cal3D.Error++-- | Create a CoreModel+newCoreModel :: String          -- ^ name+             -> IO CoreModel+newCoreModel name = withCString name c_newCoreModel++foreign import ccall safe "newCoreModel"+        c_newCoreModel :: CString -> IO CoreModel++-- | Destroy a CoreModel+foreign import ccall safe "deleteCoreModel"+        deleteCoreModel :: CoreModel -> IO ()++-- | Load a core skeleton from a file.+loadCoreSkeleton :: CoreModel -> FilePath -> LoadResult ()+loadCoreSkeleton coreModel path = +  -- This is like loader, below, except that "bad" values are 0 +  -- instead of -1, and there's no wrapper (?)+  checkError (withCString path (c_loadCoreSkeleton coreModel))+             0+             ("loadCoreSkeleton: unable to load " ++ path)++foreign import ccall safe "loadCoreSkeleton" c_loadCoreSkeleton :: CLoader++-- loader c_load fname wrapper:+-- given a C function such as c_loadCoreMaterial, +-- a String to name the load function, and+-- a wrapper function for the result such as MaterialId,+-- or id if you don't care to wrap,+-- returns a loader: that is, a function that takes a file path +-- and returns a (LoadResult a).++loader :: CLoader -> String -> (CInt -> a) -> Loader a+loader c_load loaderName wrap =+    (\ coreModel path -> do+       {+         id <- withCString path (c_load coreModel)+       ; return (if id == (-1)+                 then Left $ loaderName ++ ": unable to load " ++ path+                 else Right (wrap id))+       }+    )+++-- | Load a core animation from a file+loadCoreAnimation :: Loader AnimationId+loadCoreAnimation = loader c_loadCoreAnimation "loadCoreAnimation" AnimationId++foreign import ccall safe "loadCoreAnimation" c_loadCoreAnimation :: CLoader++-- | Load a core mesh from a file+loadCoreMesh :: Loader MeshId+loadCoreMesh = loader c_loadCoreMesh "loadCoreMesh" MeshId++foreign import ccall safe "loadCoreMesh" c_loadCoreMesh :: CLoader++-- | Load a core material from a file+loadCoreMaterial :: Loader MaterialId+loadCoreMaterial = loader c_loadCoreMaterial "loadCoreMaterial" MaterialId++foreign import ccall safe "loadCoreMaterial" c_loadCoreMaterial :: CLoader++-- | Create a core material thread.+   +createCoreMaterialThread :: CoreModel -> MaterialThreadId -> +                            IO (Either String ())+createCoreMaterialThread coreModel (MaterialThreadId id) = +    checkError (c_createCoreMaterialThread coreModel (fromIntegral id))+               0+               ("createCoreMaterialThread failed with id " ++ (show id))++foreign import ccall safe "createCoreMaterialThread"+        c_createCoreMaterialThread :: CoreModel -> CInt -> IO CInt++-- | Apply the material identified by a material thread and material set.+setCoreMaterialId :: CoreModel -> MaterialThreadId -> MaterialSetId ->+                     MaterialId -> IO (Either String ())++setCoreMaterialId coreModel +                  (MaterialThreadId mthreadId)+                  (MaterialSetId msetId) +                  (MaterialId matlId) = +  checkError (c_setCoreMaterialId coreModel +              (fromIntegral mthreadId)+              (fromIntegral msetId)+              (fromIntegral matlId))+             0+             ("setCoreMaterialId failed with ids " +++              (show (mthreadId, msetId, matlId)))++foreign import ccall safe "setCoreMaterialId"+        c_setCoreMaterialId :: CoreModel -> CInt -> CInt -> CInt -> IO CInt+

+ Graphics/Animation/Cal3D/Error.hs view

@@ -0,0 +1,43 @@+-- Does this need to be exported from Cal3D?++module Graphics.Animation.Cal3D.Error+    (Fallible, IOFallible+    , checkErrorValue, checkError+    )++where++type Fallible a = Either String a --  ???+type IOFallible a = IO (Fallible a) --  ???++-- | Compares the result of an action with a bad value, such as an +-- error code, returns (Left errormessage) if action value == bad,+-- otherwise (Right actionresult)+checkErrorValue :: (Eq a) => +                   IO a         -- ^ action+                -> a            -- ^ bad value+                -> String       -- ^ error message+                -> IO (Either String a)+checkErrorValue action bad errmsg = do+  {+    result <- action+  ; return (if result == bad+            then Left errmsg+            else Right result)+  }++-- | Like checkError, but returns (Right ()) instead of an interesting value.+checkError :: (Eq a) => +              IO a              -- ^ action+           -> a                 -- ^ bad value+           -> String            -- ^ error message+           -> IO (Either String ())+checkError action bad errmsg = do+  {+    eresult <- checkErrorValue action bad errmsg+  ; return (case eresult of+              Left errmsg -> Left errmsg+              Right _ -> Right ())+  }++

+ Graphics/Animation/Cal3D/Mixer.hs view

@@ -0,0 +1,74 @@+{-# LANGUAGE ForeignFunctionInterface #-}+{-# INCLUDE "cal3d_c.h" #-}++module Graphics.Animation.Cal3D.Mixer+    (newMixer, deleteMixer+    , blendCycle, clearCycle, executeAction+    )++where++import Foreign+import Foreign.C.Types+import Foreign.C.String++import Graphics.Animation.Cal3D.Types+import Graphics.Animation.Cal3D.Error++-- | Create a Mixer.+foreign import ccall safe "newMixer"+        newMixer :: IO Mixer++-- | Destroy a Mixer.+foreign import ccall safe "deleteMixer"+        deleteMixer :: Mixer -> IO ()++-- | Add an animation to be "cycled" (repeated) to the current mix.+-- The animation will continue playing until removed by 'clearCycle'.++blendCycle :: Mixer +           -> AnimationId +           -> Float -- ^ weight of this animation; weights should sum to 1.0+           -> Float -- ^ delay in seconds before the animation starts+           -> IO (Either String ())+blendCycle mixer (AnimationId id) weight delay =+    checkError (c_blendCycle mixer id +                (realToFrac weight) +                (realToFrac delay)) +               0 "blendCycle failed"++foreign import ccall safe "blendCycle"+        c_blendCycle :: Mixer -> CInt -> CFloat -> CFloat -> IO CInt++-- | Remove a "cycled" animation from the current mix.++clearCycle :: Mixer +           -> AnimationId +           -> Float -- ^ delay in seconds before the animation ends+           -> IO (Either String ())+clearCycle mixer (AnimationId id) delay =+    checkError (c_clearCycle mixer id (realToFrac delay))+               0 "clearCycle failed"++foreign import ccall safe "clearCycle"+        c_clearCycle :: Mixer -> CInt -> CFloat -> IO CInt++-- | Execute an animation once, instead of repeating it.+executeAction :: Mixer +              -> AnimationId +              -> Float          -- ^ delay in+              -> Float          -- ^ delay out+              -> Float          -- ^ weight target+              -> Bool           -- ^ autolock?+              -> IO (Either String ())+executeAction mixer (AnimationId id) delayIn delayOut weightTarget autoLock =+    checkError (c_executeAction mixer id +                (realToFrac delayIn)+                (realToFrac delayOut)+                (realToFrac weightTarget)+                (fromBool autoLock))+               0 "executeAction failed"++foreign import ccall safe "executeAction"+        c_executeAction :: Mixer -> CInt -> CFloat -> CFloat -> CFloat ->+                           CInt -> IO CInt

+ Graphics/Animation/Cal3D/Model.hs view

@@ -0,0 +1,72 @@+{-# LANGUAGE ForeignFunctionInterface #-}+{-# INCLUDE "cal3d_c.h" #-}++module Graphics.Animation.Cal3D.Model+    (newModel, deleteModel+    , attachMesh+    , setLodLevel+    , setMaterialSet+    , getMixer+    , update+    , getRenderer+    )++where++import Foreign+import Foreign.C.Types+import Foreign.C.String++import Graphics.Animation.Cal3D.Types+import Graphics.Animation.Cal3D.CoreModel+import Graphics.Animation.Cal3D.Error++-- | Create a new Model instance from a CoreModel.+foreign import ccall safe "newModel"+        newModel :: CoreModel -> IO Model++-- | Destroy a Model.+foreign import ccall safe "deleteModel"+        deleteModel :: Model -> IO ()++-- | Attach a mesh to a Model.+attachMesh :: Model -> MeshId -> IO (Either String ())+attachMesh model (MeshId id) = +    checkError (c_attachMesh model id) 0 "failed to attach mesh"++foreign import ccall safe "attachMesh"+        c_attachMesh :: Model -> CInt -> IO CInt++-- | Set the level of detail for a Model (between 0 and 1).+setLodLevel :: Model -> Float -> IO ()+setLodLevel model = c_setLodLevel model . realToFrac++foreign import ccall safe "setLodLevel"+        c_setLodLevel :: Model -> CFloat -> IO ()++-- | Apply a material set to a Model.+setMaterialSet :: Model -> MaterialSetId -> IO ()+setMaterialSet model (MaterialSetId id) = +    c_setMaterialSet model (fromIntegral id)++foreign import ccall safe "setMaterialSet"+        c_setMaterialSet :: Model -> CInt -> IO ()++-- | Get a Mixer which can animate the Model.+foreign import ccall safe "getMixer"+        getMixer :: Model -> IO Mixer++-- | Let the current animations of a Model run for a specified time.+update :: Model +       -> Float -- ^ elapsed time in seconds+       -> IO ()+update model deltaTime = c_update model (realToFrac deltaTime)++foreign import ccall safe "update"+        c_update :: Model -> CFloat -> IO ()++-- | Get a Renderer for the Model, which can provide information+-- needed for a graphics API.+foreign import ccall safe "getRenderer"+        getRenderer :: Model -> IO Renderer+

+ Graphics/Animation/Cal3D/Renderer.hs view

@@ -0,0 +1,222 @@+{-# LANGUAGE ForeignFunctionInterface #-}+{-# INCLUDE "cal3d_c.h" #-}++{- | A Renderer provides information needed for graphics rendering;+it does not output any graphics by itself, but needs the cooperation+of a graphics API.  Consider using 'Graphics.Animation.Cal3D.OpenGL'+from the cal3d-opengl package. -}++module Graphics.Animation.Cal3D.Renderer+    (newRenderer, deleteRenderer+    , renderAnimation+    , getMeshCount, getSubmeshCount+    , selectMeshSubmesh++    , CalIndex, getFaceCount, getFaces+    , withAmbientColorPtr, withDiffuseColorPtr, withSpecularColorPtr+    , getShininess+    , getVertexCount, getVertices, getNormals+    )++where++import Foreign+import Foreign.C.Types+import Foreign.C.String++import Graphics.Animation.Cal3D.Types+import Graphics.Animation.Cal3D.Error++-- | Create a Renderer.+foreign import ccall safe "newRenderer"+        newRenderer :: Model -> IO Renderer++-- | Destroy a Renderer.+foreign import ccall safe "deleteRenderer"+        deleteRenderer :: Renderer -> IO ()++{- | Executes a rendering action.  ++> renderAnimation renderer action++   corresponds to ++> renderer->beginRendering();+> action();+> renderer->endRendering();++in the Cal3D C++ API. -}++renderAnimation :: Renderer +                -> IO ()        -- ^ rendering action+                -> IO (Either String ())+renderAnimation renderer action = do+  {+    ok <- c_beginRendering renderer+  ; result <-+      if not (toBool ok)+      then return $ Left "renderAnimation: unable to begin rendering"+      else do+        {+          action+        ; return $ Right ()+        }+  ; c_endRendering renderer+  ; return result+  }++foreign import ccall safe "beginRendering"+        c_beginRendering :: Renderer -> IO Int++foreign import ccall safe "endRendering"+        c_endRendering :: Renderer -> IO ()++-- | The number of meshes in the Renderer's 'Model'.+getMeshCount :: Renderer -> IO Int+getMeshCount renderer = +    return . fromIntegral =<< c_getMeshCount renderer++foreign import ccall safe "getMeshCount"+        c_getMeshCount :: Renderer -> IO CInt++-- | The number of submeshes in the given mesh of the Renderer's 'Model'.+getSubmeshCount :: Renderer +                -> Int          -- ^ mesh ID+                -> IO Int+getSubmeshCount renderer meshId =+    return . fromIntegral +        =<< c_getSubmeshCount renderer (fromIntegral meshId)++foreign import ccall safe "getSubmeshCount"+        c_getSubmeshCount :: Renderer -> CInt -> IO CInt++{- | Selects a particular (mesh, submesh) so that all subsequent+operations refer to this (mesh, submesh) pair.  -}++selectMeshSubmesh :: Renderer +                  -> Int        -- ^ mesh ID+                  -> Int        -- ^ submesh ID+                  -> IO (Either String ())+selectMeshSubmesh renderer meshId submeshId =+    checkError (c_selectMeshSubmesh renderer +                                    (fromIntegral meshId)+                                    (fromIntegral submeshId))+               0+               ("unable to select submesh " ++ (show (meshId, submeshId)))++foreign import ccall safe "selectMeshSubmesh"+        c_selectMeshSubmesh :: Renderer -> CInt -> CInt -> IO CInt++-- | The number of faces in the current (mesh, submesh).+getFaceCount :: Renderer -> IO Int+getFaceCount renderer = +    return . fromIntegral =<< c_getFaceCount renderer++foreign import ccall safe "getFaceCount"+            c_getFaceCount :: Renderer -> IO CInt++-- | Used to index faces.+type CalIndex = CInt++-- | Fills a buffer with the face numbers.+getFaces :: Renderer +         -> Ptr CalIndex        -- ^ buffer+         -> IO Int+getFaces renderer ptr = return . fromIntegral =<< c_getFaces renderer ptr++foreign import ccall safe "getFaces"+        c_getFaces :: Renderer -> Ptr CalIndex -> IO CInt++-- | The number of vertices, also the number of normals,+--  in the current (mesh, submesh).+getVertexCount :: Renderer -> IO Int+getVertexCount renderer = +    return . fromIntegral =<< c_getVertexCount renderer++foreign import ccall safe "getVertexCount"+        c_getVertexCount :: Renderer -> IO CInt++-- | Fills a buffer with the vertex data of the current (mesh, submesh).+getVertices :: Renderer+            -> Ptr Float        -- ^ buffer+            -> Int              -- ^ stride+            -> IO Int+getVertices renderer ptr stride = +    return . fromIntegral =<< c_getVertices renderer ptr (fromIntegral stride)++foreign import ccall safe "getVertices"+        c_getVertices :: Renderer -> Ptr Float -> CInt -> IO CInt++-- | Fills a buffer with the normal data for the current (mesh, submesh).+getNormals :: Renderer -> Ptr Float -> Int -> IO Int+getNormals renderer buf stride =+  return . fromIntegral =<< c_getNormals renderer buf (fromIntegral stride)++foreign import ccall safe "getNormals"+   c_getNormals :: Renderer -> Ptr Float -> Int -> IO CInt++-- ----------------------------------------------------------------------+-- Getting colors+-- ----------------------------------------------------------------------++-- Intended usage: +-- c_getColor is the C function that "reads" the color, storing 4 bytes+-- into a pointer+-- convert is a function that takes the pointer and converts the+-- 4 bytes into a color suitable for the rendering engine,+-- for example, in OpenGL, Color4 GLfloat.++withColorPtr :: Storable c =>+            (Renderer -> Ptr Word8 -> IO ()) ->+            (Ptr Word8 -> IO c) ->+            Renderer -> IO c+withColorPtr c_getColor convert renderer = +    alloca (\ ptr -> do {c_getColor renderer ptr; convert ptr})++{- | Calls an action with a pointer to the ambient color data.+The color data are four bytes (red, green, blue, alpha).+If you are using OpenGL, use 'Graphics.Animation.Cal3D.OpenGL.getAmbientColor'+instead.+You almost certainly don't want to use @withAmbientColorPtr@ directly,+unless your are connecting Cal3D to a different graphics API. -}+withAmbientColorPtr :: (Storable c) => +                       (Ptr Word8 -> IO c) -- ^ action+                    -> Renderer+                    -> IO c+withAmbientColorPtr = withColorPtr c_getAmbientColor++-- | Diffuse color, like 'withAmbientColorPtr'.+withDiffuseColorPtr :: (Storable c) => +                       (Ptr Word8 -> IO c) -> Renderer -> IO c+withDiffuseColorPtr = withColorPtr c_getDiffuseColor++-- | Specular color, like 'withAmbientColorPtr'.+withSpecularColorPtr :: (Storable c) => +                       (Ptr Word8 -> IO c) -> Renderer -> IO c+withSpecularColorPtr = withColorPtr c_getSpecularColor++foreign import ccall safe "getAmbientColor"+        c_getAmbientColor :: Renderer -> Ptr Word8 -> IO ()++foreign import ccall safe "getDiffuseColor"+        c_getDiffuseColor :: Renderer -> Ptr Word8 -> IO ()++foreign import ccall safe "getSpecularColor"+        c_getSpecularColor :: Renderer -> Ptr Word8 -> IO ()++-- | The shininess, which affects the extent of speculr effects.+getShininess :: Renderer -> IO Float+getShininess = c_getShininess++foreign import ccall safe "getShininess"+        c_getShininess :: Renderer -> IO Float++-- ------------------------------------------------------------------------+-- DEBUG AID+-- ------------------------------------------------------------------------++foreign import ccall safe "calVectorSize"+        dbgCalVectorSize :: IO CInt++foreign import ccall safe "dumpVertices"+        dbgDumpVertices :: Renderer -> IO ()

+ Graphics/Animation/Cal3D/Types.hs view

@@ -0,0 +1,71 @@+{-# LANGUAGE ForeignFunctionInterface #-}+{-# INCLUDE "cal3d_c.h" #-}++{- |Most (possibly all) data type declarations are collected+   here, in order to avoid mutually recursive modules,+   like where module Model needs data 'Mixer' from module Mixer,+   and module Mixer needs data 'Model' from module Model.+-}++module Graphics.Animation.Cal3D.Types+    (+     CoreModel+    , LoadResult, Loader, CLoader+    , AnimationId(AnimationId)+    , MeshId(MeshId)+    , MaterialId(MaterialId)+    , MaterialThreadId(..)+    , MaterialSetId(..)+    , Model+    , Mixer+    , Renderer+    )++where++import Foreign+import Foreign.C.Types+import Foreign.C.String++{- | A CoreModel is a type which may have multiple +instances ('Model's).  See "Graphics.Animation.Cal3D.Model". -}+newtype CoreModel = CoreModel (Ptr CoreModel)++type CLoader = CoreModel -> CString -> IO CInt++-- | A function that loads something from a file.+type Loader a = CoreModel -> FilePath -> LoadResult a++-- | LoadResult is (Left error_message) or (Right thing_loaded_from_file)  +type LoadResult a = IO (Either String a)++-- | Identifies an animation.+newtype AnimationId = AnimationId CInt++-- | Identifies a mesh.+newtype MeshId = MeshId CInt+    deriving (Show, Eq)++-- | Identifies a material.+newtype MaterialId = MaterialId CInt++-- | Identifies a material thread.+data MaterialThreadId = MaterialThreadId Int++-- | Identifies a material set.+data MaterialSetId = MaterialSetId Int++{- | A Model is an \"instance\" of a 'CoreModel'.  +See "Graphics.Animation.Cal3D.Model". -}+newtype Model = Model (Ptr Model)++{- | A Mixer can blend simultaneous animations and play them.+See "Graphics.Animation.Cal3D.Mixer". -}+newtype Mixer = Mixer (Ptr Mixer)++{- | A Renderer provides data needed for graphics rendering.+Cal3D does no rendering itself; the Renderer simply provides+the needed information for a graphics API such as OpenGL.+See "Graphics.Animation.Cal3D.Renderer"; +also see the cal3d-opengl package. -}+newtype Renderer = Renderer (Ptr Renderer)

+ LICENSE view

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+ Setup.hs view

@@ -0,0 +1,3 @@+-- Simple setup+import Distribution.Simple+main = defaultMain

+ c++/cal3d_c.cc view

@@ -0,0 +1,271 @@+#include <cal3d/cal3d.h>++#include "cal3d_c.h"++/* ----------------------------------------------------------------------+   Class CalCoreModel+   ---------------------------------------------------------------------- */++CoreModelP newCoreModel (char * name) {+  return (CoreModelP) new CalCoreModel((const char *) name);+}+++void deleteCoreModel (CoreModelP model) {+  delete (CalCoreModel *) model;+}+++int loadCoreSkeleton (CoreModelP model, char * path) {+  // cast from bool+  return (int) +    ((CalCoreModel *) model)->loadCoreSkeleton ((const char *) path);+}++int loadCoreAnimation (CoreModelP model, char * path) {+  // -1 = failed+  return ((CalCoreModel *) model)->loadCoreAnimation ((const char *) path);++}++int loadCoreMesh (CoreModelP model, char * path) {+  // -1 = failed+  return ((CalCoreModel *) model)->loadCoreMesh ((const char *) path);++}++int loadCoreMaterial(CoreModelP model, char * path) {+  // -1 = failed+  return ((CalCoreModel *) model)->loadCoreMaterial ((const char *) path);++}++int createCoreMaterialThread(CoreModelP model, int matl_thread_id) {+  // cast from bool+  return (int) +    ((CalCoreModel *) model)->createCoreMaterialThread(matl_thread_id);+}++int setCoreMaterialId(CoreModelP model, int matl_thread, int matl_set,+		      int matl_id) {+  // cast from bool+  return (int) +    ((CalCoreModel *) model)->+    setCoreMaterialId(matl_thread, matl_set, matl_id);+}++/* ----------------------------------------------------------------------+   Class CalMixer+   ---------------------------------------------------------------------- */+++MixerP newMixer (ModelP model) {+  return (MixerP) new CalMixer((CalModel *) model);+}++void deleteMixer (MixerP mixer) {+  delete (CalMixer *) mixer;+}++int blendCycle(MixerP mixer, int id, float weight, float delay) {+  return (int)+    ((CalMixer *) mixer) ->+    blendCycle(id, weight, delay);+}++int clearCycle (MixerP mixer, int id, float delay) {+  return (int)+    ((CalMixer *) mixer) ->+    clearCycle(id, delay);++}++int executeAction (MixerP mixer, int id, float delayIn, float delayOut,+		   float weightTarget, int autoLock) {+  return (int)+    ((CalMixer *) mixer) ->+    executeAction (id, delayIn, delayOut, weightTarget, autoLock);++}+++/* ----------------------------------------------------------------------+   Class CalModel+   ---------------------------------------------------------------------- */++ModelP newModel (CoreModelP coreModel) { +  return (ModelP) new CalModel((CalCoreModel *) coreModel);+}++void deleteModel (ModelP model) { +  delete (CalModel *) model;++}++int attachMesh (ModelP model, int coreMeshId) {+  // cast from bool+  return (int)+    ((CalModel *) model)->attachMesh(coreMeshId);+}++void setLodLevel (ModelP model, float lodLevel) { +  ((CalModel *) model)->setLodLevel(lodLevel);+}++void setMaterialSet (ModelP model, int setId) { +  ((CalModel *) model)->setMaterialSet(setId);+}+  +MixerP getMixer (ModelP model) { +  return (MixerP)+    ((CalModel *) model)->getMixer();+}++/* update model for deltaTime seconds */+void update (ModelP model, float deltaTime) { +  ((CalModel *) model)->update(deltaTime);+} ++RendererP getRenderer (ModelP model) {+  return (RendererP)+    ((CalModel *) model)->getRenderer();+}++/* ----------------------------------------------------------------------+   Class CalRenderer+   ---------------------------------------------------------------------- */+++RendererP newRenderer (ModelP model) {+  return (RendererP) new CalRenderer ((CalModel *) model);+}++void deleteRenderer(RendererP renderer) {+  delete (CalRenderer *) renderer;+}++int beginRendering (RendererP renderer) {+  /* cast from bool */+  return (int)+    ((CalRenderer *) renderer) -> beginRendering();+}++void endRendering (RendererP renderer) {+  ((CalRenderer *) renderer) -> endRendering();+}+++void getAmbientColor(RendererP renderer, unsigned char *pColorBuffer) {+  ((CalRenderer *) renderer) -> getAmbientColor(pColorBuffer);+}++void getDiffuseColor(RendererP renderer, unsigned char *pColorBuffer) {+  ((CalRenderer *) renderer) -> getDiffuseColor(pColorBuffer);+}++void getSpecularColor(RendererP renderer, unsigned char *pColorBuffer) {+  ((CalRenderer *) renderer) -> getSpecularColor(pColorBuffer);+}++float getShininess (RendererP renderer) {+  return ((CalRenderer *) renderer) -> getShininess();+}++/*+  int getMapCount(RendererP renderer);+  Cal::UserData getMapUserData(RendererP renderer, int mapId);+*/++int getMeshCount(RendererP renderer) {+  return ((CalRenderer *)renderer) -> getMeshCount();+}++/*+  int getNormals(RendererP renderer, float *pNormalBuffer, int stride=0);+  float getShininess(RendererP renderer);+  void getSpecularColor(RendererP renderer, unsigned char *pColorBuffer);+*/++int getSubmeshCount(RendererP renderer, int meshId) {+  return ((CalRenderer *) renderer) -> getSubmeshCount(meshId);+}+++/*+  int getTextureCoordinates(RendererP renderer, int mapId, +			    float *pTextureCoordinateBuffer, int stride);+*/+++int getFaceCount(RendererP renderer) {+  return ((CalRenderer *)renderer) -> getFaceCount();+}++/* Writes to pFaceBuffer, affected by LOD setting;+   returns number of faces written to the buffer */++int getFaces(RendererP renderer, CalIndex *pFaceBuffer) {+  return ((CalRenderer *) renderer) -> getFaces(pFaceBuffer);+}++int getVertexCount(RendererP renderer) {+  return ((CalRenderer *) renderer) -> getVertexCount();+}++/* getVertices side-effects pVertexBuffer and returns the+   number of vertices written to the buffer */++int getVertices(RendererP renderer, float *pVertexBuffer, int stride=0) {+  return ((CalRenderer *) renderer) -> getVertices(pVertexBuffer, stride);+} ++int getNormals(RendererP renderer, float *pNormalBuffer, int stride) {+  return ((CalRenderer *) renderer) -> getNormals(pNormalBuffer, stride);+}++/*+  int getTangentSpaces(RendererP renderer, int mapId, +		       float *pTangentSpaceBuffer, int stride);+  int getVerticesAndNormals(RendererP renderer, +			    float *pVertexBuffer, int stride);+  int getVerticesNormalsAndTexCoords(RendererP renderer, +				     float *pVertexBuffer,int NumTexCoords);+  bool isTangentsEnabled(RendererP renderer, int mapId);+*/++int selectMeshSubmesh(RendererP renderer, int meshId, int submeshId) {+  return (int) /* cast from bool */+    ((CalRenderer *) renderer) -> selectMeshSubmesh(meshId, submeshId);+}++/*+  void setNormalization(RendererP renderer, bool normalize);+*/++/* ------------------------------------------------------------------------+   DEBUG AIDS+   ------------------------------------------------------------------------ */++int calVectorSize () {+  CalVector v;+  return sizeof v;+}++void dumpVertices (RendererP renderer) {+  static float vtx [30000][3];+  int n = 0; +  CalRenderer * calRenderer = (CalRenderer *) renderer;+  n = calRenderer->getVertexCount();+  std::cerr << "Got " << n << " vertices\n";++  /* NEXT STATEMENT SEGFAULTS, also with optional arg 0, 3, or 12 */+  /* n = calRenderer->getVertices(&vtx[0][0]); */+  n = calRenderer->getVertices(&vtx[0][0], 12);++  std::cerr << "Got " << n << " vertices\n";+    /* getVertices(renderer, vtx, 3);+  for (int i = 0; i < n; i++) {+    std::cerr << i << ": " << vtx[i] << "\nl";+  }+    */+}

+ c++/cal3d_c.h view

@@ -0,0 +1,154 @@+/* File: cal3d_c.h */++#ifndef CAL3D_C_H+#define CAL3D_C_H++#ifdef __cplusplus+extern "C" {+#endif++  /* ----------------------------------------------------------------------+     All object types declared here +     ---------------------------------------------------------------------- */++  typedef struct CoreModelS CoreModelS;+  typedef CoreModelS * CoreModelP;++  typedef struct MixerS MixerS;+  typedef MixerS * MixerP;++  typedef struct ModelS ModelS;+  typedef ModelS * ModelP;++  typedef struct RendererS RendererS;+  typedef RendererS * RendererP;+++  /* ----------------------------------------------------------------------+  /* Methods of class CalCoreModel +     (see coremodel.h in the Cal3D source code) +     ---------------------------------------------------------------------- */+++  CoreModelP newCoreModel (char * name);+  void deleteCoreModel (CoreModelP model);++  int loadCoreSkeleton (CoreModelP model, char * path);+  int loadCoreAnimation (CoreModelP model, char * path);+  int loadCoreMesh (CoreModelP model, char * path);+  int loadCoreMaterial(CoreModelP model, char * path);+  int createCoreMaterialThread(CoreModelP model, int matl_thread_id);+  int setCoreMaterialId(CoreModelP model, int matl_thread, int matl_set,+			int matl_id);++  /* ----------------------------------------------------------------------+     Methods of class CalMixer+     (see mixer.h in the Cal3D source code) +     ---------------------------------------------------------------------- */++++  MixerP newMixer (ModelP model);+  void deleteMixer (MixerP mixer);++  int blendCycle(MixerP mixer, int id, float weight, float delay);+  int clearCycle (MixerP mixer, int id, float delay);+  int executeAction (MixerP mixer, int id, float delayIn, float delayOut,+		     float weightTarget, int autoLock);++  /* ----------------------------------------------------------------------+     Methods of class CalModel +     (see model.h in the Cal3D source code) +     ---------------------------------------------------------------------- */++  ModelP newModel (CoreModelP coreModel);+  void deleteModel (ModelP model);++  int attachMesh (ModelP model, int coreMeshId);+  void setLodLevel (ModelP model, float lodLevel);+  void setMaterialSet (ModelP model, int setId);+  +  MixerP getMixer (ModelP model);++  void update (ModelP model, float deltaTime); /* seconds */++  RendererP getRenderer (ModelP model);++  /* ----------------------------------------------------------------------+     Methods of class CalRenderer+     (see renderer.h in the Cal3D source code)+     ---------------------------------------------------------------------- */++  RendererP newRenderer (ModelP model);+  void deleteRenderer(RendererP renderer);++  int beginRendering (RendererP renderer);+  void endRendering (RendererP renderer);++  void getAmbientColor(RendererP renderer, unsigned char *pColorBuffer);+  void getDiffuseColor(RendererP renderer, unsigned char *pColorBuffer);+  void getSpecularColor(RendererP renderer, unsigned char *pColorBuffer);++  float getShininess (RendererP renderer);++  /*+  int getMapCount(RendererP renderer);+  Cal::UserData getMapUserData(RendererP renderer, int mapId);+  */++  int getMeshCount(RendererP renderer);++  /*+  float getShininess(RendererP renderer);+  void getSpecularColor(RendererP renderer, unsigned char *pColorBuffer);+  */++  int getSubmeshCount(RendererP renderer, int meshId);++  /*+  int getTextureCoordinates(RendererP renderer, int mapId, +			    float *pTextureCoordinateBuffer, int stride);+  */+++  int getFaceCount(RendererP renderer);+  int getFaces(RendererP renderer, CalIndex *pFaceBuffer);++  int getVertexCount(RendererP renderer);+  /* C++ default stride = 0 */+  int getVertices(RendererP renderer, float *pVertexBuffer, int stride);+  /* C++ default stride = 0 */+  int getNormals(RendererP renderer, float *pNormalBuffer, int stride); ++  /*+  int getTangentSpaces(RendererP renderer, int mapId, +		       float *pTangentSpaceBuffer, int stride);+  int getVerticesAndNormals(RendererP renderer, +			    float *pVertexBuffer, int stride);+  int getVerticesNormalsAndTexCoords(RendererP renderer, +				     float *pVertexBuffer,int NumTexCoords);+  bool isTangentsEnabled(RendererP renderer, int mapId);+  */++  /* int interpreted as bool */+  int selectMeshSubmesh(RendererP renderer, int meshId, int submeshId);++  /*+  void setNormalization(RendererP renderer, bool normalize);+  */++  /* --------------------------------------------------------------------+     DEBUG AID+     -------------------------------------------------------------------- */+++  int calVectorSize ();++  void dumpVertices (RendererP renderer);+++#ifdef __cplusplus+}+#endif++#endif

+ cal3d.cabal view

@@ -0,0 +1,55 @@+name: cal3d+version: 0.1+cabal-version: >= 1.6+build-type: Simple+-- The C++ Cal3D library is LGPLed, so that makes sense here too+license: LGPL+license-file: LICENSE+author: Gregory D. Weber+maintainer: let at = "@" in concat ["gdweber", at, "iue.edu"]+stability: experimental+homepage: http://haskell.org/haskellwiki/Cal3d_animation+category: Graphics, Animation+tested-with: GHC == 6.10.1+synopsis: Haskell binding to the Cal3D animation library.+description: +  Haskell binding to the Cal3D, a skeletal-based animation+  library written in C++.+  See also the related packages cal3d-opengl and cal3d-examples.++-- extra-source-files: *list-of-files* (not including directories)++-- extra-source-files:+--    c++/cal3d_c.h+library+  build-depends: +    base >= 4.0.0.0 && < 5+  exposed-modules: Graphics.Animation.Cal3D+    Graphics.Animation.Cal3D.CoreModel+    Graphics.Animation.Cal3D.Model+    Graphics.Animation.Cal3D.Mixer+    Graphics.Animation.Cal3D.Types+    Graphics.Animation.Cal3D.Error+    Graphics.Animation.Cal3D.Renderer+  exposed: True+  other-modules:++  extensions: ForeignFunctionInterface++  -- Is there a better way to require compilation by a C++ compiler?+  -- e.g. for another OS (Windows?) and/or another Haskell system (Hugs, etc.)+  -- Maybe this isn't necessary?+  -- ghc-options: -pgmc g+++  -- ?? hugs-options:+  -- ?? nhc98-options: ++  c-sources: c++/cal3d_c.cc+  includes: cal3d/cal3d.h+  install-includes: cal3d_c.h+  include-dirs: c++++  -- For running hsc2hs separately, you need also -I /usr/lib/ghc-6.10.1/include+  extra-libraries: cal3d+++