Draw vertex primitive list

[c-irrlicht.git] / src / IVideoDriver.cpp

diff --git a/src/IVideoDriver.cpp b/src/IVideoDriver.cpp
index 50ee3454283db4ec73ea0d2d7c634c489f0ae4ab..14d8fa91c4f27631d8d8487f72046a820910c6b0 100644 (file)
--- a/src/IVideoDriver.cpp
+++ b/src/IVideoDriver.cpp
@@ -59,6 +59,60 @@ extern "C" {
                    sourceRect != NULL ? &rect : 0);
   }
 
+  void
+  irr_video_drawVertexPrimitiveList(irr_video_IVideoDriver* driver,
+                                    const void* vertices,
+                                    unsigned int vertexCount,
+                                    const void* indexList,
+                                    unsigned int primCount,
+                                    irr_video_E_VERTEX_TYPE vType,
+                                    irr_scene_E_PRIMITIVE_TYPE pType,
+                                    irr_video_E_INDEX_TYPE iType)
+  {
+    // Convert vertices
+    irr::video::S3DVertex irrVertices[vertexCount];
+    for (int i=0; i<vertexCount; i++)
+      {
+        irr_video_S3DVertex *vertex = (irr_video_S3DVertex*)vertices + i;
+        irrVertices[i] =
+          irr::video::S3DVertex(vertex->pos.x, vertex->pos.y, vertex->pos.z,
+                                vertex->normal.x, vertex->normal.y, vertex->normal.z,
+                                irr::video::SColor(vertex->color.a,
+                                                   vertex->color.r,
+                                                   vertex->color.g,
+                                                   vertex->color.b),
+                                vertex->tCoords.x, vertex->tCoords.y);
+      }
+
+    // Convert indices
+    size_t indexListSize =
+      ((iType == irr_video_EIT_16BIT) ? sizeof(irr::u16) : sizeof(irr::u32)) *
+      primCount * 3;
+    void* irrIndexList = malloc(indexListSize);
+
+    for (int i=0; i<primCount*3; i++)
+      {
+        unsigned int *index = (unsigned int*)indexList + i;
+        if (iType == irr_video_EIT_16BIT)
+          {
+            ((irr::u16*)irrIndexList)[i] = *index;
+          }
+        else
+          {
+            ((irr::u32*)irrIndexList)[i] = *index;
+          }
+      }
+
+    ((irr::video::IVideoDriver*)driver)
+      ->drawVertexPrimitiveList(&irrVertices[0], vertexCount,
+                                irrIndexList, primCount,
+                                (irr::video::E_VERTEX_TYPE)vType,
+                                (irr::scene::E_PRIMITIVE_TYPE)pType,
+                                (irr::video::E_INDEX_TYPE)iType);
+
+    free(irrIndexList);
+  }
+
   int
   irr_video_endScene(irr_video_IVideoDriver* driver)
   {