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engines/ultima/ultima8/gfx/fade_to_modal_process.cpp

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "ultima/ultima8/gfx/palette_fader_process.h"
+#include "ultima/ultima8/gfx/fade_to_modal_process.h"
+#include "ultima/ultima8/gfx/texture.h"
+#include "ultima/ultima8/kernel/kernel.h"
+#include "ultima/ultima8/gumps/gump_notify_process.h"
+
+namespace Ultima {
+namespace Ultima8 {
+
+// p_dynamic_class stuff
+DEFINE_RUNTIME_CLASSTYPE_CODE(FadeToModalProcess)
+
+
+FadeToModalProcess::FadeToModalProcess(ModalGump *modal)
+	: _modal(modal), _nextState(FS_OpenFadeOut), _fader(nullptr)
+{
+	setRunPaused();
+}
+
+FadeToModalProcess::~FadeToModalProcess(void) {
+}
+
+void FadeToModalProcess::onWakeUp() {
+	if (_nextState == FS_CloseFadeIn) {
+		// Jump in now and make sure the fade in is started (ie, we go to black)
+		// before the modal is closed, otherwise a single frame of the thing
+		// behind it will be shown first.
+		_fader = new PaletteFaderProcess(TEX32_PACK_RGBA(0x00, 0x00, 0x00, 0x00), true, 0x7FFF, 30, false);
+		_fader->run();
+	}
+}
+
+void FadeToModalProcess::run() {
+	switch (_nextState) {
+		case FS_OpenFadeOut:
+		{
+			_fader = new PaletteFaderProcess(TEX32_PACK_RGBA(0x00, 0x00, 0x00, 0x00), false, 0x7FFF, 30, true);
+			Kernel::get_instance()->addProcess(_fader);
+			_fader->setRunPaused();
+			_nextState = FS_ShowGump;
+			waitFor(_fader);
+			break;
+		}
+		case FS_ShowGump:
+		{
+			// kernel will delete the fader object for us
+			_fader = nullptr;
+			_modal->InitGump(0);
+			_modal->setRelativePosition(Gump::CENTER);
+			_modal->CreateNotifier();
+			// Reset the palette before showing the modal
+			PaletteManager::get_instance()->untransformPalette(PaletteManager::Pal_Game);
+			_nextState = FS_CloseFadeIn;
+			waitFor(_modal->GetNotifyProcess());
+			break;
+		}
+		case FS_CloseFadeIn:
+		{
+			// Already created a new fader in onWakeUp..
+			Kernel::get_instance()->addProcess(_fader);
+			_fader->setRunPaused();
+			_nextState = FS_Finshed;
+			waitFor(_fader);
+			break;
+		}
+		case FS_Finshed:
+		{
+			// kernel will delete the fader object for us
+			_fader = nullptr;
+			terminate();
+			break;
+		}
+	}
+}
+
+} // End of namespace Ultima8
+} // End of namespace Ultima