123 lines
4.2 KiB
C
123 lines
4.2 KiB
C
/*
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* Copyright (c) 2002-2004 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* $Id$
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*
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* @author elias_naur <elias_naur@users.sourceforge.net>
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* @version $Revision$
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*/
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#ifndef _COMMON_TOOLS_H
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#define _COMMON_TOOLS_H
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#include <jni.h>
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#include "org_lwjgl_Sys.h"
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// shared VM instance
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extern JavaVM *jvm;
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// Must be x * max_event_size + 1
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#define EVENT_BUFFER_SIZE (25 * 4 + 1)
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#define ATTRIB_LIST_SIZE (256)
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typedef struct {
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unsigned char input_event_buffer[EVENT_BUFFER_SIZE];
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int list_start;
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int list_end;
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} event_queue_t;
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typedef struct {
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int current_index;
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int attribs[ATTRIB_LIST_SIZE];
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} attrib_list_t;
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extern void initAttribList(attrib_list_t *list);
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extern void putAttrib(attrib_list_t *list, int attrib);
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extern bool isDebugEnabled(void);
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extern jstring getVersionString(JNIEnv *env);
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extern void initEventQueue(event_queue_t *event_queue);
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extern int copyEvents(event_queue_t *event_queue, unsigned char *output_event_buffer, int buffer_size, int event_size);
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extern void putEventElement(event_queue_t *queue, unsigned char byte);
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extern unsigned char *getOutputList(event_queue_t *queue);
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//extern int getEventBufferSize(event_queue_t *event_queue);
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extern void throwException(JNIEnv *env, const char *msg);
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extern void throwOpenALException(JNIEnv * env, const char * err);
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extern void throwFMODException(JNIEnv * env, const char * err);
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extern void setDebugEnabled(bool enable);
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extern void printfDebug(const char *format, ...);
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extern bool getBooleanProperty(JNIEnv *env, const char* propertyName);
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static inline void * safeGetBufferAddress(JNIEnv *env, jobject buffer, int offset) {
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if (buffer == NULL)
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return NULL;
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else
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return (void *)((char *)env->GetDirectBufferAddress(buffer) + offset);
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}
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static inline jobject safeNewBuffer(JNIEnv *env, void *p, int size) {
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if (p == NULL)
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return NULL;
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else
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return env->NewDirectByteBuffer(p, size);
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}
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static inline const void *offsetToPointer(jint offset) {
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return (const char *)NULL + offset;
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}
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typedef void *(* ExtGetProcAddressPROC) (const char *func_name);
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typedef struct {
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char *method_name;
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char *signature;
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void *method_pointer;
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char *ext_function_name;
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void **ext_function_pointer;
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} JavaMethodAndExtFunction;
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typedef struct {
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char *ext_function_name;
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void **ext_function_pointer;
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} ExtFunction;
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#define NUMFUNCTIONS(x) (sizeof(x)/sizeof(JavaMethodAndExtFunction));
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extern void doExtension(JNIEnv *env, jobject ext_set, const char *method_name, const char *ext);
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extern jclass ext_ResetClass(JNIEnv *env, const char *class_name);
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extern bool ext_InitializeClass(JNIEnv *env, jclass clazz, jobject ext_set, const char *ext_name, ExtGetProcAddressPROC gpa, int num_functions, JavaMethodAndExtFunction *functions);
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extern bool ext_InitializeFunctions(ExtGetProcAddressPROC gpa, int num_functions, ExtFunction *functions);
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#endif
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