m3grayintersection.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:
 * ---------
 *  RayIntersection.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
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 *------------------------------------------------------------------------------
 * 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_RayIntersection_create()
{
	st_m3g_rayintersection* handle; 
	
	ENTER_M3D_CS;
	handle = M3G_RayIntersection_new();
	LEAVE_M3D_CS;

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

KNIEXPORT KNI_RETURNTYPE_VOID
Java_javax_microedition_m3g_RayIntersection_finalize()
{
	KNI_StartHandles(1);
	KNI_DeclareHandle(object_handle);
	KNI_GetParameterAsObject(0, object_handle);
	
	if(*object_handle) {
#if FAST_KNI && defined(CLDCHI)
		rayintr_class* object = (rayintr_class*)*object_handle;
		st_m3g_rayintersection* handle = (st_m3g_rayintersection*)object->rayintersection_handle;

	if(handle && --handle->reference_count == 0) {
		ENTER_M3D_CS;
		M3G_RayIntersection_finalize(handle);
		LEAVE_M3D_CS;
	}
#else
	ASSERT(0);
#endif /* KNI */
	}
	KNI_EndHandles();
	KNI_ReturnVoid();				
}

KNIEXPORT KNI_RETURNTYPE_FLOAT
Java_javax_microedition_m3g_RayIntersection_getDistanceImpl()
{
	st_m3g_rayintersection* handle = (st_m3g_rayintersection*)KNI_GetParameterAsInt(1);

	//KNI_ReturnFloat(handle->distance);
	KNI_ReturnFloat(M3G_RayIntersection_getDistance(handle));
}

KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_m3g_RayIntersection_getIntersectedImpl()
{
	st_m3g_rayintersection* handle = (st_m3g_rayintersection*)KNI_GetParameterAsInt(1);

	//KNI_ReturnInt((jint)handle->intersected_node);
	KNI_ReturnInt((jint)M3G_RayIntersection_getIntersected(handle));
}

KNIEXPORT KNI_RETURNTYPE_FLOAT
Java_javax_microedition_m3g_RayIntersection_getNormalXImpl()
{
	st_m3g_rayintersection* handle = (st_m3g_rayintersection*)KNI_GetParameterAsInt(1);

	//KNI_ReturnFloat(handle->normal[0]);
	KNI_ReturnFloat(M3G_RayIntersection_getNormalX(handle));
}

KNIEXPORT KNI_RETURNTYPE_FLOAT
Java_javax_microedition_m3g_RayIntersection_getNormalYImpl()
{
	st_m3g_rayintersection* handle = (st_m3g_rayintersection*)KNI_GetParameterAsInt(1);

	//KNI_ReturnFloat(handle->normal[1]);
	KNI_ReturnFloat(M3G_RayIntersection_getNormalY(handle));
}

KNIEXPORT KNI_RETURNTYPE_FLOAT
Java_javax_microedition_m3g_RayIntersection_getNormalZImpl()
{
	st_m3g_rayintersection* handle = (st_m3g_rayintersection*)KNI_GetParameterAsInt(1);

	//KNI_ReturnFloat(handle->normal[2]);
	KNI_ReturnFloat(M3G_RayIntersection_getNormalZ(handle));
}

KNIEXPORT KNI_RETURNTYPE_INT
Java_javax_microedition_m3g_RayIntersection_getSubmeshIndexImpl()
{
	st_m3g_rayintersection* handle = (st_m3g_rayintersection*)KNI_GetParameterAsInt(1);

	//KNI_ReturnInt(handle->intersected_submesh_indx);
	KNI_ReturnInt(M3G_RayIntersection_getSubmeshIndex(handle));
}

KNIEXPORT KNI_RETURNTYPE_FLOAT
Java_javax_microedition_m3g_RayIntersection_getTextureSImpl()
{
	st_m3g_rayintersection* handle = (st_m3g_rayintersection*)KNI_GetParameterAsInt(1);
	jint index = KNI_GetParameterAsInt(2);
	jfloat result = 0.0f;

	if (index < 0 || index > m3g_graphics3d.max_texunits) {
		KNI_ThrowNew("java/lang/IndexOutOfBoundsException", "invalid index");		
	} else {
		st_m3g_node *node = handle->intersected_node;
		
		if(node) {
#if 0
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
#endif

			result = M3G_RayIntersection_getTextureS(handle, index);
		} 	
	}

	KNI_ReturnFloat(result);
}

KNIEXPORT KNI_RETURNTYPE_FLOAT
Java_javax_microedition_m3g_RayIntersection_getTextureTImpl()
{
	st_m3g_rayintersection* handle = (st_m3g_rayintersection*)KNI_GetParameterAsInt(1);
	jint index = KNI_GetParameterAsInt(2);
	jfloat result = 0.0f;

	if (index < 0 || index > m3g_graphics3d.max_texunits) {
		KNI_ThrowNew("java/lang/IndexOutOfBoundsException", "invalid index");		
	} else {
		st_m3g_node *node = handle->intersected_node;
		
		if(node) {
#if 0
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
/* under construction !*/
#endif
			result = M3G_RayIntersection_getTextureT(handle, index);
		} 	
	}

	KNI_ReturnFloat(result);
}

KNIEXPORT KNI_RETURNTYPE_VOID
Java_javax_microedition_m3g_RayIntersection_getRayImpl()
{
	st_m3g_rayintersection* handle = (st_m3g_rayintersection*)KNI_GetParameterAsInt(1);
	int len = 0;
	
	KNI_StartHandles(1);
	KNI_DeclareHandle(object_handle);
	KNI_GetParameterAsObject(2, object_handle);
	
	if (*object_handle == NULL) {
 		KNI_ThrowNew("java/lang/NullPointerException", "null array");		
	} else {
		len = KNI_GetArrayLength(object_handle);
		
		if (len < 6) {
 			KNI_ThrowNew("java/lang/IllegalArgumentException", "invalid array");
		} else {
#if FAST_KNI && defined(CLDCHI)
			float *ray = ((jfloat_array*)*object_handle)->elements;
#else
			ASSERT(0);
#endif /* FAST_KNI */			
			M3G_RayIntersection_getRay(handle, ray);
		}
	}

	KNI_EndHandles();
	KNI_ReturnVoid();	
}	
#endif /* #ifdef SUPPORT_JSR_184 */