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92 lines
3.2 KiB
C++
92 lines
3.2 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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* 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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* Object animation definitions
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*/
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#ifndef TINSEL_ANIM_H // prevent multiple includes
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#define TINSEL_ANIM_H
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#include "tinsel/dw.h" // for SCNHANDLE
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namespace Tinsel {
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struct OBJECT;
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/** animation structure */
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struct ANIM {
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int aniRate; ///< animation speed
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int aniDelta; ///< animation speed delta counter
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OBJECT *pObject; ///< object to animate (assumed to be multi-part)
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uint32 hScript; ///< animation script handle
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int scriptIndex; ///< current position in animation script
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};
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/** Animation script commands */
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enum {
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ANI_END = 0, ///< end of animation script
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ANI_JUMP = 1, ///< animation script jump
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ANI_HFLIP = 2, ///< flip animated object horizontally
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ANI_VFLIP = 3, ///< flip animated object vertically
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ANI_HVFLIP = 4, ///< flip animated object in both directions
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ANI_ADJUSTX = 5, ///< adjust animated object x animation point
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ANI_ADJUSTY = 6, ///< adjust animated object y animation point
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ANI_ADJUSTXY = 7, ///< adjust animated object x & y animation points
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ANI_NOSLEEP = 8, ///< do not sleep for this frame
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ANI_CALL = 9, ///< call routine
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ANI_HIDE = 10, ///< hide animated object
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ANI_STOP = 11 ///< stop sound
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};
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/** animation script command possibilities */
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union ANI_SCRIPT {
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int32 op; ///< treat as an opcode or operand
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uint32 hFrame; ///< treat as a animation frame handle
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};
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/*----------------------------------------------------------------------*\
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|* Anim Function Prototypes *|
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\*----------------------------------------------------------------------*/
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/** states for DoNextFrame */
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enum SCRIPTSTATE {ScriptFinished, ScriptNoSleep, ScriptSleep};
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SCRIPTSTATE DoNextFrame( // Execute the next animation frame of a animation script
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ANIM *pAnim); // animation data structure
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void InitStepAnimScript( // Init a ANIM struct for single stepping through a animation script
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ANIM *pAnim, // animation data structure
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OBJECT *pAniObj, // object to animate
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SCNHANDLE hNewScript, // handle to script of multipart frames
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int aniSpeed); // sets speed of animation in frames
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SCRIPTSTATE StepAnimScript( // Execute the next command in a animation script
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ANIM *pAnim); // animation data structure
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void SkipFrames( // Skip the specified number of frames
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ANIM *pAnim, // animation data structure
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int numFrames); // number of frames to skip
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bool AboutToJumpOrEnd(ANIM *pAnim);
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} // End of namespace Tinsel
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#endif // TINSEL_ANIM_H
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