scummvm/engines/icb/speech_pc.cpp
2020-06-28 08:54:42 +02:00

96 lines
2.7 KiB
C++

/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the AUTHORS
* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#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 pallete 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