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engines/icb/speech_pc.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.
+ *
+ * Additional copyright for this file:
+ * Copyright (C) 1999-2000 Revolution Software Ltd.
+ * This code is based on source code created by Revolution Software,
+ * used with permission.
+ *
+ * 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 "engines/icb/speech.h"
+#include "engines/icb/fn_routines.h"
+#include "engines/icb/session.h"
+#include "engines/icb/global_objects.h"
+#include "engines/icb/global_switches.h"
+
+namespace ICB {
+
+void _game_session::Render_speech(text_sprite *bloc) {
+	// if there is a speech text bloc in existence then render it
+	uint8 *src;
+	uint8 *write;
+	uint32 x, y;
+	uint32 pitch;
+	uint32 width, height;
+	uint8 *safe_ad;
+
+	// is there anything to render?
+	if (!bloc->please_render)
+		return;
+
+	src = bloc->GetSprite();
+
+	// Get a pointer to the dx surface
+	safe_ad = (uint8 *)surface_manager->Lock_surface(bloc->GetSurface());
+	pitch = surface_manager->Get_pitch(bloc->GetSurface());
+
+	height = bloc->GetHeight();
+	width = bloc->GetWidth();
+
+	//	get screen address
+	safe_ad += (bloc->renderY * pitch);
+	safe_ad += (bloc->renderX * 4);
+
+	for (y = 0; y < height; y++) {
+		write = safe_ad;
+
+		for (x = 0; x < width; x++) {
+			if ((*src) || (*(src + 1)) || (*(src + 2))) {
+				*write++ = *src++; // b
+				*write++ = *src++; // g
+				*write++ = *src++; // r
+				write++; // a
+			} else {
+				src += 3;
+				write += 4;
+			}
+		}
+		safe_ad += pitch;
+	}
+
+	// unlock buffer
+	surface_manager->Unlock_surface(bloc->GetSurface());
+}
+
+// These functions set palette entry 1, which controls the main colour for speech text.  These are
+// used by the Remora to display its text in different colours.
+void SetTextColour(uint8 r, uint8 g, uint8 b) {
+	static _rgb sTempSpeechColour;
+
+	sTempSpeechColour.red = r;
+	sTempSpeechColour.green = g;
+	sTempSpeechColour.blue = b;
+
+	psTempSpeechColour = &sTempSpeechColour;
+}
+
+} // End of namespace ICB