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@ -30,11 +30,6 @@
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#include "../safeguards.h"
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#ifdef __EMSCRIPTEN__
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/** Whether we just had a window-enter event. */
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static bool _cursor_new_in_window = false;
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#endif
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void VideoDriver_SDL_Base::MakeDirty(int left, int top, int width, int height)
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{
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Rect r = {left, top, left + width, top + height};
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@ -203,9 +198,9 @@ bool VideoDriver_SDL_Base::CreateMainSurface(uint w, uint h, bool resize)
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bool VideoDriver_SDL_Base::ClaimMousePointer()
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{
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/* Emscripten never claims the pointer, so we do not need to change the cursor visibility. */
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#ifndef __EMSCRIPTEN__
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SDL_ShowCursor(0);
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#ifdef __EMSCRIPTEN__
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SDL_SetRelativeMouseMode(SDL_TRUE);
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#endif
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return true;
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}
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@ -377,27 +372,9 @@ bool VideoDriver_SDL_Base::PollEvent()
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switch (ev.type) {
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case SDL_MOUSEMOTION:
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#ifdef __EMSCRIPTEN__
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if (_cursor_new_in_window) {
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/* The cursor just moved into the window; this means we don't
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* know the absolutely position yet to move relative from.
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* Before this time, SDL didn't know it either, and this is
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* why we postpone it till now. Update the absolute position
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* for this once, and work relative after. */
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_cursor.pos.x = ev.motion.x;
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_cursor.pos.y = ev.motion.y;
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_cursor.dirty = true;
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_cursor_new_in_window = false;
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SDL_SetRelativeMouseMode(SDL_TRUE);
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} else {
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_cursor.UpdateCursorPositionRelative(ev.motion.xrel, ev.motion.yrel);
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}
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#else
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if (_cursor.UpdateCursorPosition(ev.motion.x, ev.motion.y, true)) {
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SDL_WarpMouseInWindow(this->sdl_window, _cursor.pos.x, _cursor.pos.y);
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}
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#endif
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HandleMouseEvents();
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break;
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@ -502,9 +479,7 @@ bool VideoDriver_SDL_Base::PollEvent()
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// mouse entered the window, enable cursor
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_cursor.in_window = true;
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#ifdef __EMSCRIPTEN__
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/* Disable relative mouse mode for the first mouse motion,
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* so we can pick up the absolutely position again. */
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_cursor_new_in_window = true;
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/* Ensure pointer lock will not occur. */
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SDL_SetRelativeMouseMode(SDL_FALSE);
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#endif
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} else if (ev.window.event == SDL_WINDOWEVENT_LEAVE) {
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@ -525,7 +500,9 @@ static const char *InitializeSDL()
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* UpdateWindowSurface() to update the window's texture instead of
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* its surface. */
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SDL_SetHint(SDL_HINT_FRAMEBUFFER_ACCELERATION, "0");
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#ifndef __EMSCRIPTEN__
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SDL_SetHint(SDL_HINT_MOUSE_RELATIVE_MODE_WARP, "1");
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#endif
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/* Check if the video-driver is already initialized. */
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if (SDL_WasInit(SDL_INIT_VIDEO) != 0) return nullptr;
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