449 lines
11 KiB
C++
449 lines
11 KiB
C++
#include "../plugin.h"
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#include "../engine.h"
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#include "berkelium/Berkelium.hpp"
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#include "berkelium/Window.hpp"
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#include "berkelium/WindowDelegate.hpp"
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#include "berkelium/Context.hpp"
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#include <string>
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qboolean inited;
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class decctx
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{
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public:
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Berkelium::Window *wnd;
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int width;
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int height;
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unsigned int *buffer;
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bool repainted;
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int paintedwidth;
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int paintedheight;
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};
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class MyDelegate : public Berkelium::WindowDelegate
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{
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private:
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decctx *ctx;
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virtual void onCrashedWorker(Berkelium::Window *win)
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{
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int i;
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Con_Printf("Berkelium worker crashed\n");
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/*black it out*/
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for (i = 0; i < ctx->width*ctx->height; i++)
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{
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ctx->buffer[i] = 0xff000000;
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}
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ctx->repainted = true;
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}
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virtual void onCrashed(Berkelium::Window *win)
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{
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int i;
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Con_Printf("Berkelium window crashed\n");
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/*black it out*/
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for (i = 0; i < ctx->width*ctx->height; i++)
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{
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ctx->buffer[i] = 0xff000000;
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}
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ctx->repainted = true;
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}
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virtual void onUnresponsive(Berkelium::Window *win)
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{
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Con_Printf("Berkelium window unresponsive\n");
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}
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virtual void onResponsive(Berkelium::Window *win)
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{
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Con_Printf("Berkelium window responsive again, yay\n");
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}
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virtual void onPaint(Berkelium::Window *wini, const unsigned char *bitmap_in, const Berkelium::Rect &bitmap_rect, size_t num_copy_rects, const Berkelium::Rect *copy_rects, int dx, int dy, const Berkelium::Rect& scroll_rect)
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{
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int i;
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// handle paint events...
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if (dx || dy)
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{
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int y, m;
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int dt = scroll_rect.top();
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int dl = scroll_rect.left();
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int w = scroll_rect.width();
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int h = scroll_rect.height();
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int st = dt - dy;
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int sl = dl - dx;
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/*bound the output rect*/
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if (dt < 0)
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{
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st -= dt;
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h += dt;
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dt = 0;
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}
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if (dl < 0)
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{
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sl -= dl;
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w += dl;
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dl = 0;
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}
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/*bound the source rect*/
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if (st < 0)
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{
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dt -= st;
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h += st;
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st = 0;
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}
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if (sl < 0)
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{
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dl -= sl;
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w += sl;
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sl = 0;
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}
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/*bound the width*/
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m = (dl>sl)?dl:sl;
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if (m + w > ctx->width)
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w = ctx->width - m;
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m = (dt>st)?dt:st;
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if (m + h > ctx->height)
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h = ctx->height - m;
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if (w > 0 && h > 0)
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{
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if (dy > 0)
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{
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//if we're moving downwards, we need to write the bottom before the top (so we don't overwrite the data before its copied)
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for (y = h-1; y >= 0; y--)
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{
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memmove(ctx->buffer + (dl + (dt+y)*ctx->width), ctx->buffer + (sl + (st+y)*ctx->width), w*4);
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}
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}
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else
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{
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//moving upwards requires we write the top row first
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for (y = 0; y < h; y++)
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{
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memmove(ctx->buffer + (dl + (dt+y)*ctx->width), ctx->buffer + (sl + (st+y)*ctx->width), w*4);
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}
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}
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}
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}
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for (i = 0; i < num_copy_rects; i++)
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{
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unsigned int *out = ctx->buffer;
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const unsigned int *in = (const unsigned int*)bitmap_in;
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int x, y;
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int t = copy_rects[i].top();
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int l = copy_rects[i].left();
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int r = copy_rects[i].width() + l;
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int b = copy_rects[i].height() + t;
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int w, h;
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//Clip the rect to the display. This should generally happen anyway, but resizes can be lagged a bit with the whole multi-process/thread thing.
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//don't need to clip to the bitmap rect, that should be correct.
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if (l < 0)
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l = 0;
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if (t < 0)
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t = 0;
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if (r > ctx->width)
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r = ctx->width;
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if (b > ctx->height)
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b = ctx->height;
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w = r - l;
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h = b - t;
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unsigned int instride = bitmap_rect.width() - (w);
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unsigned int outstride = ctx->width - (w);
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out += l;
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out += t * ctx->width;
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in += (l-bitmap_rect.left());
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in += (t-bitmap_rect.top()) * bitmap_rect.width();
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for (y = 0; y < h; y++)
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{
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for (x = 0; x < w; x++)
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{
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*out++ = *in++;
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}
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in += instride;
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out += outstride;
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}
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}
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ctx->repainted = true;
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}
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public:
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MyDelegate(decctx *_ctx) : ctx(_ctx) {};
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};
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static void *Dec_Create(const char *medianame)
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{
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/*only respond to berkelium: media prefixes*/
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if (!strncmp(medianame, "berkelium:", 10))
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medianame = medianame + 10;
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else if (!strcmp(medianame, "berkelium"))
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medianame = (char*)"about:blank";
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else if (!strncmp(medianame, "http:", 5) || !strncmp(medianame, "https:", 6))
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medianame = medianame; //and direct http requests.
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else
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return NULL;
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if (!inited)
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{
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//linux lags behind and apparently returns void, so don't bother checking return values on windows, cos I'm lazy.
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Berkelium::init(Berkelium::FileString::empty());
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inited = qtrue;
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}
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decctx *ctx = new decctx();
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Berkelium::Context* context = Berkelium::Context::create();
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ctx->paintedwidth = ctx->width = 1024;
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ctx->paintedheight = ctx->height = 1024;
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ctx->repainted = false;
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ctx->buffer = (unsigned int*)malloc(ctx->width * ctx->height * 4);
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ctx->wnd = Berkelium::Window::create(context);
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delete context;
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ctx->wnd->setDelegate(new MyDelegate(ctx));
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ctx->wnd->resize(ctx->width, ctx->height);
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std::string url = medianame;
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ctx->wnd->navigateTo(Berkelium::URLString::point_to(url.data(), url.length()));
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return ctx;
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}
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static qboolean VARGS Dec_DisplayFrame(void *vctx, qboolean nosound, qboolean forcevideo, double mediatime, void (QDECL *uploadtexture)(void *ectx, uploadfmt_t fmt, int width, int height, void *data, void *palette), void *ectx)
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{
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decctx *ctx = (decctx*)vctx;
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if (forcevideo || ctx->repainted)
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{
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uploadtexture(ectx, TF_BGRA32, ctx->width, ctx->height, ctx->buffer, NULL);
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ctx->paintedwidth = ctx->width;
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ctx->paintedheight = ctx->height;
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ctx->repainted = false;
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}
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return qtrue;
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}
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static void Dec_Destroy(void *vctx)
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{
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decctx *ctx = (decctx*)vctx;
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if (inited) //make sure things don't happen in the wrong order. we can still leak though
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ctx->wnd->destroy();
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delete ctx;
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}
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static void Dec_GetSize (void *vctx, int *width, int *height)
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{
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decctx *ctx = (decctx*)vctx;
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if (ctx->repainted)
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{
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*width = ctx->width;
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*height = ctx->height;
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}
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else
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{
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*width = ctx->paintedwidth;
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*height = ctx->paintedheight;
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}
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}
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static qboolean Dec_SetSize (void *vctx, int width, int height)
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{
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decctx *ctx = (decctx*)vctx;
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if (width < 4)
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width = 4;
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if (height < 4)
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height = 4;
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if (ctx->width == width && ctx->height == height)
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return qtrue; //no point
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//there's no resize notification. apparently javascript cannot resize windows. yay.
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unsigned int *newbuf = (unsigned int*)realloc(ctx->buffer, width * height * sizeof(*newbuf));
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if (!newbuf)
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return qfalse; //failed?!?
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ctx->width = width;
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ctx->height = height;
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ctx->buffer = newbuf;
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ctx->repainted = false;
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ctx->wnd->resize(ctx->width, ctx->height);
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return qtrue;
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}
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static void Dec_CursorMove (void *vctx, float posx, float posy)
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{
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decctx *ctx = (decctx*)vctx;
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ctx->wnd->mouseMoved((int)(posx * ctx->width), (int)(posy * ctx->height));
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}
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static void Dec_Key (void *vctx, int code, int unicode, int isup)
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{
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decctx *ctx = (decctx*)vctx;
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wchar_t wchr = unicode;
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if (code >= 178 && code < 178+6)
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{
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code = code - 178;
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//swap mouse2+3
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if (code == 1)
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code = 2;
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else if (code == 2)
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code = 1;
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ctx->wnd->mouseButton(code, !isup);
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}
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else if (code == 188 || code == 189)
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{
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if (!isup)
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ctx->wnd->mouseWheel(0, (code==189)?-30:30);
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}
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else
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{
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int mods = 0;
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if (code == 127)
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code = 0x08;
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else if (code == 140) //del
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code = 0x2e;
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else if (code == 143) //home
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code = 0x24;
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else if (code == 144) //end
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code = 0x23;
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else if (code == 141) //pgdn
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code = 0x22;
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else if (code == 142) //pgup
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code = 0x21;
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else if (code == 139) //ins
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code = 0x2d;
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else if (code == 132) //up
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code = 0x26;
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else if (code == 133) //down
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code = 0x28;
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else if (code == 134) //left
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code = 0x25;
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else if (code == 135) //right
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code = 0x27;
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if (code)
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ctx->wnd->keyEvent(!isup, mods, code, 0);
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if (unicode && !isup)
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{
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wchar_t chars[2] = {unicode};
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if (unicode == 127 || unicode == 8 || unicode == 9 || unicode == 27)
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return;
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ctx->wnd->textEvent(chars, 1);
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}
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}
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}
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static void Dec_ChangeStream(void *vctx, const char *newstream)
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{
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decctx *ctx = (decctx*)vctx;
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if (!strncmp(newstream, "cmd:", 4))
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{
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if (!strcmp(newstream+4, "refresh"))
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ctx->wnd->refresh();
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else if (!strcmp(newstream+4, "transparent"))
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ctx->wnd->setTransparent(true);
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else if (!strcmp(newstream+4, "focus"))
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ctx->wnd->focus();
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else if (!strcmp(newstream+4, "unfocus"))
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ctx->wnd->unfocus();
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else if (!strcmp(newstream+4, "opaque"))
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ctx->wnd->setTransparent(false);
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else if (!strcmp(newstream+4, "stop"))
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ctx->wnd->stop();
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else if (!strcmp(newstream+4, "back"))
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ctx->wnd->goBack();
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else if (!strcmp(newstream+4, "forward"))
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ctx->wnd->goForward();
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else if (!strcmp(newstream+4, "cut"))
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ctx->wnd->cut();
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else if (!strcmp(newstream+4, "copy"))
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ctx->wnd->copy();
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else if (!strcmp(newstream+4, "paste"))
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ctx->wnd->paste();
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else if (!strcmp(newstream+4, "del"))
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ctx->wnd->del();
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else if (!strcmp(newstream+4, "selectall"))
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ctx->wnd->selectAll();
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}
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else if (!strncmp(newstream, "javascript:", 11))
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{
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newstream+=11;
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int len = mblen(newstream, MB_CUR_MAX);
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wchar_t *wchrs = (wchar_t *)malloc((len+1)*2);
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len = mbstowcs(wchrs, newstream, len);
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ctx->wnd->executeJavascript(Berkelium::WideString::point_to(wchrs, len));
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free(wchrs);
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}
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else
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{
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std::string url = newstream;
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ctx->wnd->navigateTo(Berkelium::URLString::point_to(url.data(), url.length()));
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}
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}
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static bool Dec_Init(void)
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{
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return true;
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}
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static qintptr_t Dec_Tick(qintptr_t *args)
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{
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//need to keep it ticking over, if any work is to be done.
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if (inited)
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Berkelium::update();
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return 0;
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}
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static qintptr_t Dec_Shutdown(qintptr_t *args)
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{
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//force-kill all.
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if (inited)
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Berkelium::destroy();
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inited = qfalse;
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return 0;
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}
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static media_decoder_funcs_t decoderfuncs =
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{
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sizeof(media_decoder_funcs_t),
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"berkelium",
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Dec_Create,
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Dec_DisplayFrame,
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Dec_Destroy,
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NULL,//rewind
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Dec_CursorMove,
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Dec_Key,
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Dec_SetSize,
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Dec_GetSize,
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Dec_ChangeStream
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};
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extern "C" qintptr_t Plug_Init(qintptr_t *args)
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{
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if (!Plug_Export("Tick", Dec_Tick))
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{
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Con_Printf("Berkelium plugin failed: Engine doesn't support Tick feature\n");
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return false;
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}
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if (!Plug_Export("Shutdown", Dec_Shutdown))
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{
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Con_Printf("Berkelium plugin failed: Engine doesn't support Shutdown feature\n");
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return false;
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}
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if (!pPlug_ExportNative("Media_VideoDecoder", &decoderfuncs))
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{
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Con_Printf("Berkelium plugin failed: Engine doesn't support media decoder plugins\n");
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return false;
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}
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return Dec_Init();
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}
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