mirror of
https://github.com/libretro/scummvm.git
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119 lines
4.1 KiB
C++
119 lines
4.1 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* Additional copyright for this file:
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* Copyright (C) 1999-2000 Revolution Software Ltd.
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* This code is based on source code created by Revolution Software,
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* used with permission.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "engines/icb/remora_sprite.h"
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#include "engines/icb/global_objects.h"
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#include "engines/icb/res_man.h"
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#include "engines/icb/remora.h"
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namespace ICB {
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void _remora_sprite::GenericSpriteDraw(int32 nX, int32 nY, bool8 bPosition, const _rs_params *pParams) {
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_pxBitmap *psBitmap;
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uint8 *pSurfaceBitmap;
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uint32 nPitch;
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uint32 nSurfaceWidth, nSurfaceHeight;
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uint32 nTransparencyKey;
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uint8 nOpacity;
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bool8 bCentre, bUpdate;
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// Get the key to use for transparency.
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nTransparencyKey = g_oIconMenu->GetTransparencyKey();
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// Set function parameters from the parameters block if there is one.
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if (pParams) {
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// There is a parameter block, so get the values from there.
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bCentre = pParams->bCentre;
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nOpacity = pParams->nOpacity;
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bUpdate = pParams->bUpdate;
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} else {
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// No params block, so match the defaults that would be contained in it if user had not set a value.
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bCentre = TRUE8;
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nOpacity = 255;
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bUpdate = TRUE8;
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}
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// Open the resource and get the current frame.
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psBitmap = (_pxBitmap *)rs_remora->Res_open(m_pcName, m_nNameHash, m_pcClusterName, m_nClusterHash);
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if (psBitmap->schema != PC_BITMAP_SCHEMA)
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Fatal_error("Incorrect versions loading [%s] (engine has %d, data has %d", m_pcName, PC_BITMAP_SCHEMA, psBitmap->schema);
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// Lock the surface and get the pitch.
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uint32 remoraSurfaceId = g_oRemora->GetRemoraSurfaceId();
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pSurfaceBitmap = surface_manager->Lock_surface(remoraSurfaceId);
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nSurfaceWidth = surface_manager->Get_width(remoraSurfaceId);
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nSurfaceHeight = surface_manager->Get_height(remoraSurfaceId);
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nPitch = surface_manager->Get_pitch(remoraSurfaceId);
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// Draw at sprite position or user-supplied position.
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if (bPosition)
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SpriteXYFrameDraw(pSurfaceBitmap, nPitch, nSurfaceWidth, nSurfaceHeight, psBitmap, nX, nY, m_nFramePC, bCentre, &nTransparencyKey, nOpacity);
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else
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SpriteFrameDraw(pSurfaceBitmap, nPitch, nSurfaceWidth, nSurfaceHeight, psBitmap, m_nFramePC, &nTransparencyKey, nOpacity);
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// Unlock the surface.
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surface_manager->Unlock_surface(remoraSurfaceId);
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// Update the frame counter if required.
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if (bUpdate)
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m_nFramePC = (m_nFramePC + 1) % m_nNumFrames;
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}
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uint32 _remora_sprite::GetHeight() {
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_pxBitmap *psBitmap;
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_pxSprite *psSprite;
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// Use the count of frames as an indicator whether or not the object has been initialised for use.
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if (m_nNumFrames == 0)
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return (0);
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// Need to open the actual resource to get its size.
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psBitmap = (_pxBitmap *)rs_remora->Res_open(m_pcName, m_nNameHash, m_pcClusterName, m_nClusterHash);
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// Get the first frame and return its height.
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psSprite = psBitmap->Fetch_item_by_number(0);
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return (psSprite->height);
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}
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uint32 _remora_sprite::GetWidth() {
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_pxBitmap *psBitmap;
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_pxSprite *psSprite;
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// Use the count of frames as an indicator whether or not the object has been initialised for use.
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if (m_nNumFrames == 0)
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return (0);
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// Need to open the actual resource to get its size.
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psBitmap = (_pxBitmap *)rs_remora->Res_open(m_pcName, m_nNameHash, m_pcClusterName, m_nClusterHash);
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// Get the first frame and return its height.
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psSprite = psBitmap->Fetch_item_by_number(0);
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return (psSprite->width);
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}
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} // End of namespace ICB
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