m3gmesh.c

java 1.1 gemini 08_16

/*******************************************************************************
 *  Modification Notice:
 *  --------------------------
 *  This software is modified by MediaTek Inc. and the information contained
 *  herein is confidential. The software may not be copied and the information
 *  contained herein may not be used or disclosed except with the written
 *  permission of MediaTek Inc. (C) 2001
 *
 *******************************************************************************/

/*****************************************************************************
 *
 * Filename:
 * ---------
 *  Mesh.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
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 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/

/****************************************************************************
 Include Header Files
****************************************************************************/
#include "m3g.h"

#ifdef SUPPORT_JSR_184
/****************************************************************************
 Function Definition
****************************************************************************/
KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_m3g_Mesh_createMultiSubmesh()
{
	st_m3g_vertexbuffer* vb = (st_m3g_vertexbuffer*)KNI_GetParameterAsInt(1);
	st_m3g_mesh* handle = NULL;
	int submesh_count, i;

	KNI_StartHandles(2);
	KNI_DeclareHandle(ib_handle);
	KNI_DeclareHandle(ap_handle);
	KNI_GetParameterAsObject(2, ib_handle);
	KNI_GetParameterAsObject(3, ap_handle);

#if FAST_KNI && defined(CLDCHI)
	if(vb==NULL || *ib_handle==NULL) {
		KNI_ThrowNew("java/lang/NullPointerException", "null handle");
	} else {
		jint_array* ibs = (jint_array*)*ib_handle;
		jint_array* aps = (jint_array*)*ap_handle;

		submesh_count = ibs->length;
		if((aps && aps->length<submesh_count) || submesh_count==0) {
			KNI_ThrowNew("java/lang/IllegalArgumentException", "Invalid submeshs");
		} else {
			for(i=0; i<submesh_count; i++) {
				if(ibs->elements[i] == 0) {
					KNI_ThrowNew("java/lang/NullPointerException", "Invalid submeshs");
					goto _return;
				}
			}

			ENTER_M3D_CS;
			if(aps == NULL) {
				handle = M3G_Mesh_new(vb, submesh_count, (st_m3g_indexbuffer**)ibs->elements, NULL);
			} else {
				handle = M3G_Mesh_new(vb, submesh_count, (st_m3g_indexbuffer**)ibs->elements, 
									  (st_m3g_appearance**)aps->elements);
			}
			LEAVE_M3D_CS;

								  
			if (handle == NULL) KNI_ThrowNew("java/lang/NullPointerException", "new mesh failed");
		}
	}
#else
	ASSERT(0);
#endif /* FAST_KNI */

_return:
	KNI_EndHandles();
	KNI_ReturnInt((jint)handle);
}

KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_m3g_Mesh_createSingleSubmesh()
{
	st_m3g_vertexbuffer* vb = (st_m3g_vertexbuffer*)KNI_GetParameterAsInt(1);
	st_m3g_indexbuffer* ib = (st_m3g_indexbuffer*)KNI_GetParameterAsInt(2);
	st_m3g_appearance* ap = (st_m3g_appearance*)KNI_GetParameterAsInt(3);
	st_m3g_mesh* handle = NULL;

	if(vb==NULL || ib==NULL) {
		KNI_ThrowNew("java/lang/NullPointerException", "null handle");
	} else {
		ENTER_M3D_CS;
		handle = M3G_Mesh_new(vb, 1, &ib, &ap);
		LEAVE_M3D_CS;

		if (handle == NULL) KNI_ThrowNew("java/lang/NullPointerException", "new mesh failed");
	}
	KNI_ReturnInt((jint)handle);
}

KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_m3g_Mesh_getAppearanceImpl()
{
	st_m3g_mesh* handle = (st_m3g_mesh*)KNI_GetParameterAsInt(1);
	jint index = KNI_GetParameterAsInt(2);
	
	if(index<0 || index>=handle->submesh_count) {
		KNI_ThrowNew("java/lang/IndexOutOfBoundsException", "invalid appearance index");		
		KNI_ReturnInt((jint)0);
	} else {
		KNI_ReturnInt((jint)M3G_Mesh_getAppearance(handle, index));
	}
}

KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_m3g_Mesh_getIndexBufferImpl()
{
	st_m3g_mesh* handle = (st_m3g_mesh*)KNI_GetParameterAsInt(1);
	jint index = KNI_GetParameterAsInt(2);
	
	if(index<0 || index>=handle->submesh_count) {
		KNI_ThrowNew("java/lang/IndexOutOfBoundsException", "invalid appearance index");		
		KNI_ReturnInt((jint)0);
	} else {
		KNI_ReturnInt((jint)M3G_Mesh_getIndexBuffer(handle, index));
	}
}

KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_m3g_Mesh_getSubmeshCountImpl()
{
	st_m3g_mesh* handle = (st_m3g_mesh*)KNI_GetParameterAsInt(1);
	
	//KNI_ReturnInt((jint)handle->submesh_count);
	KNI_ReturnInt((jint)M3G_Mesh_getSubmeshCount(handle));
}

KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_m3g_Mesh_getVertexBufferImpl()
{
	st_m3g_mesh* handle = (st_m3g_mesh*)KNI_GetParameterAsInt(1);	
	//KNI_ReturnInt((jint)handle->vertex_buffer);
	KNI_ReturnInt((jint)M3G_Mesh_getgetVertexBuffer(handle));
}

KNIEXPORT KNI_RETURNTYPE_VOID
Java_javax_microedition_m3g_Mesh_setAppearanceImpl()
{
	st_m3g_mesh* handle = (st_m3g_mesh*)KNI_GetParameterAsInt(1);	
	jint index = KNI_GetParameterAsInt(2);	
	st_m3g_appearance* appearance = (st_m3g_appearance*)KNI_GetParameterAsInt(3);
	
	if(index<0 || index>=handle->submesh_count) {
		KNI_ThrowNew("java/lang/IndexOutOfBoundsException", "invalid appearance index");		
	} else if (M3G_Mesh_setAppearance(handle, index, appearance) != M3G_SUCCESS) {
		KNI_ThrowNew("java/lang/IllegalArgumentException", "Invalid appearance");		
	}
	
	KNI_ReturnVoid();
}
#endif /* #ifdef SUPPORT_JSR_184 */