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LockMouse.cpp
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LockMouse.cpp
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// myextension.cpp
// Extension lib defines
#define EXTENSION_NAME LockMouse
#define LIB_NAME "LockMouse"
#define MODULE_NAME "lock_mouse"
// Defold SDK
#define DLIB_LOG_DOMAIN LIB_NAME
#include <dmsdk/sdk.h>
#if defined(DM_PLATFORM_HTML5)
#include <emscripten.h>
static int LockMouse(lua_State* L)
{
dmLogWarning("%s:lock mouse2",MODULE_NAME);
EM_ASM(
canvas.requestPointerLock = canvas.requestPointerLock ||
canvas.mozRequestPointerLock ||
canvas.webkitRequestPointerLock;
// Ask the browser to lock the pointer
canvas.onclick = function() {
canvas.requestPointerLock();
};
);
return 1;
}
static int UnlockMouse(lua_State* L)
{
dmLogWarning("%s:unlock mouse",MODULE_NAME);
EM_ASM(
document.exitPointerLock = document.exitPointerLock ||
document.mozExitPointerLock ||
document.webkitExitPointerLock;
document.exitPointerLock();
canvas.onclick = function() {};
);
return 1;
}
static int UpdateCursor(lua_State* L){
return 0;
}
#elif defined(DM_PLATFORM_WINDOWS)
#include <atlbase.h>
#include <atlconv.h>
static int LockMouse(lua_State* L)
{
dmLogWarning("%s:lock mouse windows",MODULE_NAME);
ShowCursor(0);
return 0;
}
static int UnlockMouse(lua_State* L)
{
dmLogWarning("%s:unlock mouse windows",MODULE_NAME);
ShowCursor(1);
return 0;
}
static int UpdateCursor(lua_State* L){
POINT cp;
GetCursorPos(&cp);
lua_createtable(L, 2, 0);
lua_pushnumber(L, 1);
lua_pushnumber(L, cp.x-100);
lua_settable(L, -3);
lua_pushnumber(L, 2);
lua_pushnumber(L, cp.y-100);
lua_settable(L, -3);
SetCursorPos(100,100);
return 1;
}
#else
static int UpdateCursor(lua_State* L){
//SetCursorPos(100,100)
return 0;
}
static int LockMouse(lua_State* L)
{
dmLogWarning("%s:lock mouse",MODULE_NAME);
return 0;
}
static int UnlockMouse(lua_State* L)
{
dmLogWarning("%s:unlock mouse",MODULE_NAME);
return 0;
}
#endif
// Functions exposed to Lua
static const luaL_reg Module_methods[] =
{
{"lock_mouse", LockMouse},
{"unlock_mouse", UnlockMouse},
{"update_cursor", UpdateCursor},
{0, 0}
};
static void LuaInit(lua_State* L)
{
int top = lua_gettop(L);
// Register lua names
luaL_register(L, MODULE_NAME, Module_methods);
lua_pop(L, 1);
assert(top == lua_gettop(L));
}
static dmExtension::Result InitializeExtension(dmExtension::Params* params)
{
// Init Lua
LuaInit(params->m_L);
printf("Registered %s Extension\n", MODULE_NAME);
return dmExtension::RESULT_OK;
}
static dmExtension::Result AppInitializeExtension(dmExtension::AppParams* params)
{
return dmExtension::RESULT_OK;
}
static dmExtension::Result AppFinalizeExtension(dmExtension::AppParams* params)
{
return dmExtension::RESULT_OK;
}
static dmExtension::Result FinalizeExtension(dmExtension::Params* params)
{
return dmExtension::RESULT_OK;
}
DM_DECLARE_EXTENSION(EXTENSION_NAME, LIB_NAME, AppInitializeExtension, AppFinalizeExtension, InitializeExtension, 0, 0, FinalizeExtension)