124 lines
3.0 KiB
C++
124 lines
3.0 KiB
C++
/***
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*
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* Copyright (c) 1998, Valve LLC. All rights reserved.
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*
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* This product contains software technology licensed from Id
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* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
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* All Rights Reserved.
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*
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****/
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#ifndef INCLUDED_SPRITEMODEL
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#define INCLUDED_SPRITEMODEL
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#include "mathlib.h"
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/*
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==============================================================================
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SPRITE MODELS
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Alias models are position independent, so the cache manager can move them.
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==============================================================================
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*/
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#include "sprite.h"
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typedef struct mspriteframe_s
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{
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int width;
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int height;
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float up, down, left, right;
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int gl_texturenum;
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} mspriteframe_t;
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typedef struct
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{
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int numframes;
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float *intervals;
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mspriteframe_t *frames[1];
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} mspritegroup_t;
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typedef struct
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{
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frametype_t type;
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mspriteframe_t *frameptr;
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} mspriteframedesc_t;
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typedef struct
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{
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short type;
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short texFormat;
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int maxwidth;
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int maxheight;
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int numframes;
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int radius;
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int facecull;
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int synctype;
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mspriteframedesc_t frames[1];
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} msprite_t;
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class SpriteModel
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{
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public:
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msprite_t *getSpriteHeader () const { return m_pspritehdr; }
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void updateTimings( float flTime, float flFrametime ) { m_flTime = flTime; m_flFrameTime = flFrametime; }
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float getCurrentTime( void ) { return m_flTime; }
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void UploadTexture( byte *data, int width, int height, byte *palette, int name, int size = 768, bool has_alpha = false );
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int GetNumFrames( void ) { return m_pspritehdr ? m_pspritehdr->numframes : 0; }
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void FreeSprite( void );
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msprite_t *LoadSprite( const char *modelname );
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bool SaveSprite( const char *modelname );
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void DrawSprite( void );
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int setFrame( int newframe );
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void ExtractBbox( Vector &mins, Vector &maxs );
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void GetMovement( Vector &delta );
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void centerView( bool reset );
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void updateSprite( void );
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private:
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// global settings
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float m_flTime;
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float m_flFrameTime;
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// entity settings
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byte m_prevblending[2];
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float m_sequencetime;
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float m_yaw;
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float m_flLerpfrac; // lerp frames
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float m_dt;
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int m_frame;
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matrix4x4 m_protationmatrix;
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matrix4x4 m_viewVectors;
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// internal data
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msprite_t *m_pspritehdr; // pointer to sourcemodel
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int m_iFileSize; // real size of model footprint
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byte m_palette[1024];
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vec3_t m_spritemins;
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vec3_t m_spritemaxs;
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int m_loadframe;
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void SetupTransform( void );
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bool AllowLerping( void );
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// loading stuff
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dframetype_t *LoadSpriteFrame( void *pin, mspriteframe_t **ppframe );
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dframetype_t *LoadSpriteGroup( void *pin, mspriteframe_t **ppframe );
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// frame compute
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mspriteframe_t *GetSpriteFrame( int frame );
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float GetSpriteFrameInterpolant( int frame, mspriteframe_t **old, mspriteframe_t **cur );
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// draw
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void DrawQuad( mspriteframe_t *frame, const vec3_t &org, const vec3_t &v_right, const vec3_t &v_up, float scale );
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};
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extern SpriteModel g_spriteModel;
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extern byte palette_q1[];
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#endif |