114 lines
3.7 KiB
C++
114 lines
3.7 KiB
C++
/**
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* Copyright 2010 Mario Zechner (contact@badlogicgames.com)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "Box2D.h"
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#include "PolygonShape.h"
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/*
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* Class: com_badlogic_gdx_physics_box2d_PolygonShape
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* Method: newPolygonShape
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* Signature: ()J
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*/
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JNIEXPORT jlong JNICALL Java_com_badlogic_gdx_physics_box2d_PolygonShape_newPolygonShape
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(JNIEnv *, jobject)
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{
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b2PolygonShape* poly = new b2PolygonShape();
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return (jlong)poly;
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}
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/*
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* Class: com_badlogic_gdx_physics_box2d_PolygonShape
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* Method: jniSet
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* Signature: (J[F)V
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*/
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JNIEXPORT void JNICALL Java_com_badlogic_gdx_physics_box2d_PolygonShape_jniSet
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(JNIEnv *env, jobject, jlong addr, jfloatArray verticesIn)
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{
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b2PolygonShape* poly = (b2PolygonShape*)addr;
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int numVertices = env->GetArrayLength(verticesIn) / 2;
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float* vertices = (float*)env->GetPrimitiveArrayCritical(verticesIn, 0);
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b2Vec2* verticesOut = new b2Vec2[numVertices];
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for( int i = 0; i < numVertices; i++ )
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verticesOut[i] = b2Vec2(vertices[i<<1], vertices[(i<<1)+1]);
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poly->Set( verticesOut, numVertices );
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delete verticesOut;
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env->ReleasePrimitiveArrayCritical(verticesIn, vertices, 0 );
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}
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/*
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* Class: com_badlogic_gdx_physics_box2d_PolygonShape
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* Method: jniSetAsBox
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* Signature: (JFF)V
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*/
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JNIEXPORT void JNICALL Java_com_badlogic_gdx_physics_box2d_PolygonShape_jniSetAsBox__JFF
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(JNIEnv *, jobject, jlong addr, jfloat hx, jfloat hy)
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{
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b2PolygonShape* poly = (b2PolygonShape*)addr;
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poly->SetAsBox(hx, hy);
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}
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/*
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* Class: com_badlogic_gdx_physics_box2d_PolygonShape
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* Method: jniSetAsBox
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* Signature: (JFFFFF)V
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*/
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JNIEXPORT void JNICALL Java_com_badlogic_gdx_physics_box2d_PolygonShape_jniSetAsBox__JFFFFF
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(JNIEnv *, jobject, jlong addr, jfloat hx, jfloat hy, jfloat centerX, jfloat centerY, jfloat angle)
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{
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b2PolygonShape* poly = (b2PolygonShape*)addr;
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poly->SetAsBox( hx, hy, b2Vec2( centerX, centerY ), angle );
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}
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/*
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* Class: com_badlogic_gdx_physics_box2d_PolygonShape
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* Method: jniSetAsEdge
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* Signature: (JFFFF)V
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*/
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JNIEXPORT void JNICALL Java_com_badlogic_gdx_physics_box2d_PolygonShape_jniSetAsEdge
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(JNIEnv *, jobject, jlong addr, jfloat v1x, jfloat v1y, jfloat v2x, jfloat v2y)
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{
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b2PolygonShape* poly = (b2PolygonShape*)addr;
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poly->SetAsEdge(b2Vec2(v1x, v1y), b2Vec2(v2x,v2y));
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}
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/*
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* Class: com_badlogic_gdx_physics_box2d_PolygonShape
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* Method: jniGetVertexCount
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* Signature: (J)I
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*/
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JNIEXPORT jint JNICALL Java_com_badlogic_gdx_physics_box2d_PolygonShape_jniGetVertexCount
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(JNIEnv *, jobject, jlong addr)
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{
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b2PolygonShape* poly = (b2PolygonShape*)addr;
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return poly->GetVertexCount();
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}
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/*
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* Class: com_badlogic_gdx_physics_box2d_PolygonShape
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* Method: jniGetVertex
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* Signature: (J[F)V
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*/
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JNIEXPORT void JNICALL Java_com_badlogic_gdx_physics_box2d_PolygonShape_jniGetVertex
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(JNIEnv *env, jobject, jlong addr, jint index, jfloatArray verts)
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{
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b2PolygonShape* poly = (b2PolygonShape*)addr;
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const b2Vec2 v = poly->GetVertex( index );
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float* vertices = (float*)env->GetPrimitiveArrayCritical(verts, 0);
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vertices[0] = v.x;
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vertices[1] = v.y;
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env->ReleasePrimitiveArrayCritical(verts, vertices, 0 );
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}
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